Publications

  1. Buadze, M; Olivares, A; Kutubidze, T; Labauri, L; Chavchanidze, D; Lobzhanidze, G; Perez-Perez, GI. "Prevalence of H. pylori in Georgian pediatric patients with peptic ulcer diseases [Abstract]". Helicobacter. 2008; 13: 447 (#J0149345)
  2. Contreras, Monica; Pujol, Flor H; Perez-Perez, Guillermo I; Marini, Elisabetta; Michelangeli, Fabian A; Ponce, Liliana; Dominguez-Bello, Maria G. "Helicobacter pylori seroprevalence in Amerindians from isolated locations". American journal of tropical medicine & hygiene. 2008; 78: 574 (#J0138604)
  3. Epplein M; Nomura AM; Hankin JH; Blaser MJ; Perez-Perez G; Stemmermann GN; Wilkens LR; Kolonel LN. "Association of Helicobacter pylori infection and diet on the risk of gastric cancer: a case-control study in Hawaii". Cancer causes & control. ccc. 2008; 19: 869 (#J0138605)
  4. Francois, F; Roper, J; Goodman, A J; Pei, Z; Ghumman, M; Mourad, M; de Perez, A Z Olivares; Perez-Perez, G I; Tseng, C-H; Blaser, M J. "The association of gastric leptin with oesophageal inflammation and metaplasia". Gut: journal of the British Society of Gastroenterology. 2008; 57: 16 (#J0133182)
  5. Garza-Gonzalez, E; Bocanegra-Garcia, V; Bosques-Padilla, FJ; Flores-Gutierrez, JP; Moreno, F; Perez-Perez, GI. "mRNA levels of TLR4 and TLR5 are independent of H pylori". World journal of gastroenterology : WJG. 2008; 14: 5306 (#J0148812)
  6. Reibman, Joan; Marmor, Michael; Filner, Joshua; Fernandez-Beros, Maria-Elena; Rogers, Linda; Perez-Perez, Guillermo I; Blaser, Martin J. "Asthma is inversely associated with Helicobacter pylori status in an urban population". PLoS ONE. 2008; 3: e4060 (#J0157627)
  7. Romero-Gallo, Judith; Harris, Elizabeth J; Krishna, Uma; Washington, Mary Kay; Perez-Perez, Guillermo I; Peek, Richard M Jr. "Effect of Helicobacter pylori eradication on gastric carcinogenesis". Laboratory investigation. 2008; 88: 328 (#J0138606)
  8. Roper J; Francois F; Shue PL; Mourad MS; Pei Z; de Perez AZ; Perez-Perez GI; Tseng CH; Blaser MJ. "Leptin and ghrelin in relation to Helicobacter pylori status in adult males". Journal of clinical endocrinology & metabolism. 2008; 93: 2350 (#J0137536)
  9. Shak JR; Roper J; Perez-Perez GI; Tseng CH; Francois F; Gamagaris Z; Patterson C; Weinshel E; Fielding GA; Ren C; Blaser MJ. "The Effect of Laparoscopic Gastric Banding Surgery on Plasma Levels of Appetite-Control, Insulinotropic, and Digestive Hormones". Obesity surgery. 2008; 18: 1089 (#J0137535)
  10. Sierra, R; Une, C; Ramirez, V; Alpizar-Alpizar, W; Gonzalez, MI; Ramirez, JA; de Mascarel, A; Cuenca, P; Perez-Perez, G; Megraud, F. "Relation of atrophic gastritis with Helicobacter pylori-CagA(+) and interleukin-1 gene polymorphisms". World journal of gastroenterology : WJG. 2008; 14: 6481 (#J0156410)
  11. Blaser, Martin J; Nomura, Abraham; Lee, James; Stemmerman, Grant N; Perez-Perez, Guillermo I. "Early-life family structure and microbially induced cancer risk". PLoS medicine. 2007; 4: e7 (#J0138611)
  12. Garza-Gonzalez, Elvira; Bosques-Padilla, Francisco J; Mendoza-Ibarra, Sandra I; Flores-Gutierrez, Juan P; Maldonado-Garza, Hector J; Perez-Perez, Guillermo I. "Assessment of the toll-like receptor 4 Asp299Gly, Thr399Ile and interleukin-8 -251 polymorphisms in the risk for the development of distal gastric cancer". BMC cancer. 2007; 7: 70 (#J0129274)
  13. Garza-Gonzalez, E; Mendoza-Ibarra, SI; Bosques, F; Perez-Perez, GI. "G796A nucleotide-binding oligomerization domain (NOD) 1 and C-590T interleukin-4 polymorphisms in Helicobacter pylori related diseases [Abstract]". Zoonoses & public health. 2007; 54: 151 (#J0150951)
  14. Ghose, Chandrabali; Perez-Perez, Guillermo I; Torres, Victor J; Crosatti, Marialuisa; Nomura, Abraham; Peek, Richard M Jr; Cover, Timothy L; Francois, Fritz; Blaser, Martin J. "Serological Assays for Identification of Human Gastric Colonization by Helicobacter pylori Strains Expressing VacA m1 or m2". Clinical & vaccine immunology. 2007; 14: 442 (#J0125899)
  15. Kamangar, F; Qiao, YL; Blaser, MJ; Sun, XD; Katki, H; Fan, JH; Perez-Perez, GI; Abnet, CC; Zhao, P; D Mark, S; Taylor, PR; Dawsey, SM. "Helicobacter pylori and oesophageal and gastric cancers in a prospective study in China". British journal of cancer. 2007; 96: 172 (#J0123312)
  16. Mendoza-Ibarra, Sandra Iveth; Perez-Perez, Guillermo Ignacio; Bosques-Padilla, Francisco Javier; Urquidi-Rivera, Martha; Rodriguez-Esquivel, Zulma; Garza-Gonzalez, Elvira. "Utility of diagnostic tests for detection of Helicobacter pylori in children in northeastern Mexico". Pediatrics International. 2007; 49: 869 (#J0138607)
  17. Perez-Perez, Guillermo Ignacio; Portal-Celhay, Cynthia; Bosques-Padilla, Francisco Javier; Garza-Gonzalez, Elvira. "[Development of a protocol of pyrosequencing for determination of the polymorphism at position -31 of the interleukin-1beta gene in the study of risk of development of stomach cancer]". Revista de gastroenterologia de Mexico. 2007; 72: 10 (#J0129437)
  18. Perez Perez, GI; Torres, E; Raisler, K; Olivares, AZ; Reynolds, SP; Gonzalez, N; Fernandez, L; Cohen, H. "Analysis of genetic diversity associated with ethnicity in Helicobacter pylori strains isolated in Montevideo, Uruguay [Abstract]". Zoonoses & public health. 2007; 54: 112 (#J0150950)
  19. Tsukanov, VV; Butorin, NN; Maady, AS; Barkalov, SV; Amelchugova, OS; Perez-Perez, GI. "Correlation between gastric cancer markers and prevalence of Helicobacter pylori CagA in different populations of eastern Siberia [Abstract]". Helicobacter. 2007; 12: 453 (#J0130095)
  20. Young, B; Roper, H; Mourad, M; Olivares de Perez, AZ; Perez-Perez, GI; Pei, ZH; Blaser, MJ; Francois, F. "Fasting gastric leptin levels are elevated in diabetics independent of BMI [Abstract]". American journal of gastroenterology. 2007; 102: S163 (#J0129966)
  21. Bik EM; Eckburg PB; Gill SR; Nelson KE; Purdom EA; Francois F; Perez-Perez G; Blaser MJ; Relman DA. "Molecular analysis of the bacterial microbiota in the human stomach". Proceedings of the National Academy of Sciences of the United States of America. 2006; 103: 732 (#J0111407)
  22. Cho A; Chaudhry A; Minsky-Primus L; Tso A; Perez-Perez G; Diehl DL; Marcus SG; Gany FM. "Follow-up care after a diagnosis of Helicobacter pylori infection in an Asian immigrant cohort". Journal of clinical gastroenterology. 2006; 40: 29 (#J0110663)
  23. Cho, Alex; Chaudhry, Amina; Minsky-Primus, Lisa; Tso, Alan; Perez-Perez, Guillermo; Diehl, David; Marcus, Stuart G; Gany, Francesca M. "Acceptance of repeat esophagogastroduodenoscopy to detect gastric cancer in a chinese immigrant cohort". Journal of clinical gastroenterology. 2006; 40: 606 (#J0120352)
  24. Goldman, Cinthia; Barrado, Andres; Janjetic, Mariana; Balcarce, Norma; Cueto Rua, Eduardo; Oshiro, Masaru; Calcagno, Maria L; Sarrasague, Margarita-Martinez; Fuda, Julian; Weill, Ricardo; Zubillaga, Marcela; Perez-Perez, Guillermo I; Boccio, Jose. "Factors associated with H. pylori epidemiology in symptomatic children in Buenos Aires, Argentina". World journal of gastroenterology : WJG. 2006; 12: 5384 (#J0138613)
  25. Gorthi, S P; Kapoor, Lata; Chaudhry, Rama; Sharma, Nidhi; Perez-Perez, Guillermo I; Panigrahi, Pinaki; Behari, Madhuri. "Guillain-Barre syndrome: association with Campylobacter jejuni and Mycoplasma pneumoniae infections in India". National medical journal of India. 2006; 19: 137 (#J0138614)
  26. Kamangar, Farin; Dawsey, Sanford M; Blaser, Martin J; Perez-Perez, Guillermo I; Pietinen, Pirjo; Newschaffer, Craig J; Abnet, Christian C; Albanes, Demetrius; Virtamo, Jarmo; Taylor, Philip R. "Opposing risks of gastric cardia and noncardia gastric adenocarcinomas associated with Helicobacter pylori seropositivity". Journal of the National Cancer Institute. 2006; 98: 1445 (#J0138612)
  27. Marcano-Lozada, MJ; Urrestarazu, MI; Serrano, NM; Perez-Perez, GI. "Association of Helicobacter pylori and chronic idiopathic urticaria [Abstract]". Helicobacter. 2006; 11: 369 (#J0120592)
  28. Moreno-Gutierrez, FJ; Garza-Gonzalez, E; Bosques-Padilla, FJ; Perez-Perez, GI. "In vivo and in vitro expression of the TLR-4 and TLR-5 receptors during Helicobacter pylori infection [Abstract]". Helicobacter. 2006; 11: 349 (#J0120591)
  29. Olivares A; Buadze M; Kutubidze T; Lobjanidze M; Labauri L; Kutubidze R; Chikviladze D; Zhvania M; Kharzeishvili O; Lomidze N; Perez-Perez GI. "Prevalence of Helicobacter pylori in Georgian patients with dyspepsia". Helicobacter. 2006; 11: 81 (#J0114416)
  30. Perez-Perez, GI; Chao, L; Minhong, C; Andersson, M; Olivares, AZ. "Differences in the 3 ' cagA region between Helicobacter pylori strains of East Asian and African origin [Abstract]". Helicobacter. 2006; 11: 343 (#J0120590)
  31. Perez-Perez, GI; Andersson, M; Olivares, AZ; Gonzalez, EG; Padilla, FB; Torres, J; Blaser, MJ. "Specific geographic genotypes among Helicobacter pylori strains [Abstract]". Helicobacter. 2006; 11: 342 (#J0120589)
  32. Perez-Perez, GI; Wong, C; Olivares, AZ; Gonzalez, EG; Padilla, FB; Blaser, MJ. "Stability and variability of cagA and its correlation with disease outcome [Abstract]". Helicobacter. 2006; 11: 333 (#J0120588)
  33. Perry, Sharon; de la Luz Sanchez, Maria; Yang, Shufang; Haggerty, Thomas D; Hurst, Philip; Perez-Perez, Guillermo; Parsonnet, Julie. "Gastroenteritis and transmission of Helicobacter pylori infection in households". Emerging infectious diseases. 2006; 12: 1701 (#J0138610)
  34. Portal-Celhay C; Perez-Perez GI. "Immune responses to Helicobacter pylori colonization: mechanisms and clinical outcomes". Clinical science (London, 1979). 2006; 110: 305 (#J0114417)
  35. Vidal, T; Gutierrez, B; Valmana, CE; Ochoa, R; Megraud, F; Perez-Perez, GI; Paniagua, M; Mendz, GL. "Helicobacter pylori infection diagnosis in gastroduodenal disease in La Habana, Cuba [Abstract]". Helicobacter. 2006; 11: 384 (#J0120593)
  36. Zuniga-Noriega JR; Bosques-Padilla FJ; Perez-Perez GI; Tijerina-Menchaca R; Flores-Gutierrez JP; Maldonado Garza HJ; Garza-Gonzalez E. "Diagnostic utility of invasive tests and serology for the diagnosis of Helicobacter pylori infection in different clinical presentations". Archives of medical research (Mexico). 2006; 37: 123 (#J0114419)
  37. Alpizar-Alpizar W; Perez-Perez GI; Une C; Cuenca P; Sierra R. "Association of interleukin-1B and interleukin-1RN polymorphisms with gastric cancer in a high-risk population of Costa Rica". Clinical & experimental medicine. 2005; 5: 169 (#J0114418)
  38. Bhat, Niranjan; Gaensbauer, James; Peek, Richard M; Bloch, Karen; Tham, Kyi-Toe; Blaser, Martin J; Perez-Perez, Guillermo. "Local and systemic immune and inflammatory responses to Helicobacter pylori strains". Clinical & diagnostic laboratory immunology. 2005; 12: 1393 (#J0138615)
  39. Cooperberg BA; Bini EJ; Cohen H; Olivares AZ; Dacoll C; Perez-Perez GI. "Preliminary report of the prevalence of Helicobacter pylori and distribution of vacA genotypes in Montevideo, Uruguay". Revista Brasileira de Medicina. 2005; 62: 290 (#J0105901)
  40. Franco AT; Israel DA; Washington MK; Krishna U; Fox JG; Rogers AB; Neish AS; Collier-Hyams L; Perez-Perez GI; Hatakeyama M; Whitehead R; Gaus K; O'Brien DP; Romero-Gallo J; Peek RM Jr. "Activation of beta-catenin by carcinogenic Helicobacter pylori". Proceedings of the National Academy of Sciences of the United States of America. 2005; 102: 10646 (#J0114420)
  41. Garza-Gonzalez, Elvira; Bosques-Padilla, Francisco Javier; El-Omar, Emad; Hold, Georgina; Tijerina-Menchaca, Rolando; Maldonado-Garza, Hector Jesus; Perez-Perez, Guillermo Ignacio. "Role of the polymorphic IL-1B, IL-1RN and TNF-A genes in distal gastric cancer in Mexico". International journal of cancer. 2005; 114: 237 (#J0138618)
  42. Ghose C; Perez-Perez GI; van Doorn LJ; Dominguez-Bello MG; Blaser MJ. "High Frequency of Gastric Colonization with Multiple Helicobacter pylori Strains in Venezuelan Subjects". Journal of clinical microbiology. 2005; 43: 2635 (#J0102946)
  43. Haggerty, Thomas D; Perry, Sharon; Sanchez, Luz; Perez-Perez, Guillermo; Parsonnet, Julie. "Significance of transiently positive enzyme-linked immunosorbent assay results in detection of Helicobacter pylori in stool samples from children". Journal of clinical microbiology. 2005; 43: 2220 (#J0138617)
  44. Harris, Paul; Perez-Perez, Guillermo; Zylberberg, Alejandro; Rollan, Antonio; Serrano, Carolina; Riera, Francisca; Einisman, Helly; Garcia, Daniela; Viviani, Paola. "Relevance of adjusted cut-off values in commercial serological immunoassays for Helicobacter pylori infection in children". Digestive diseases & sciences. 2005; 50: 2103 (#J0138616)
  45. Nomura AM; Kolonel LN; Miki K; Stemmermann GN; Wilkens LR; Goodman MT; Perez-Perez GI; Blaser MJ. "Helicobacter pylori, pepsinogen, and gastric adenocarcinoma in Hawaii". Journal of infectious diseases. 2005; 191: 2075 (#J0114421)
  46. Perez Perez, Guillermo I. "[New era of Helicobacter pylori]". Revista de gastroenterologia de Mexico. 2005; 70 Suppl 3: 31 (#J0138608)
  47. Perez Perez, Guillermo I. "[When and why should we eradicate the Helicobacter pylori?]". Revista de gastroenterologia de Mexico. 2005; 70 Suppl 3: 26 (#J0138609)
  48. Perez-Perez GI; Bosques-Padilla FJ; Crosatti ML; Tijerina-Menchaca R; Garza-Gonzalez E. "Role of p53 codon 72 polymorphism in the risk of development of distal gastric cancer". Scandinavian journal of gastroenterology. 2005; 40: 56 (#J0096410)
  49. Perez-Perez GI; Olivares AZ; Foo FY; Foo S; Neusy AJ; Ng C; Holzman RS; Marmor M; Blaser MJ. "Seroprevalence of Helicobacter pylori in New York City populations originating in East Asia". Journal of urban health. 2005; 82: 510 (#J0106207)
  50. Aspholm-Hurtig M; Dailide G; Lahmann M; Kalia A; Ilver D; Roche N; Vikstrom S; Sjostrom R; Linden S; Backstrom A; Lundberg C; Arnqvist A; Mahdavi J; Nilsson UJ; Velapatino B; Gilman RH; Gerhard M; Alarcon T; Lopez-Brea M; Nakazawa T; Fox JG; Correa P; Dominguez-Bello MG; Perez-Perez GI; Blaser MJ; Normark S; Carlstedt I; Oscarson S; Teneberg S; Berg DE; Boren T. "Functional Adaptation of BabA, the H. pylori ABO Blood Group Antigen Binding Adhesin". Science. 2004; 305: 519 (#J0068176)
  51. Duck WM; Sobel J; Pruckler JM; Song Q; Swerdlow D; Friedman C; Sulka A; Swaminathan B; Taylor T; Hoekstra M; Griffin P; Smoot D; Peek R; Metz DC; Bloom PB; Goldschmidt S; Parsonnet J; Triadafilopoulos G; Perez-Perez GI; Vakil N; Ernst P; Czinn S; Dunne D; Gold BD. "Antimicrobial resistance incidence and risk factors among Helicobacter pylori-infected persons, United States". Emerging infectious diseases. 2004; 10: 1088 (#J0069621)
  52. Eamranond PP; Torres J; Munoz O; Perez-Perez GI. "Age-Specific Immune Response to HspA in Helicobacter pylori-Positive Persons in Mexico". Clinical & diagnostic laboratory immunology. 2004; 11: 983 (#J0069619)
  53. Garza-Gonzalez E; Bosques-Padilla FJ; Perez-Perez GI; Flores-Gutierrez JP; Tijerina-Menchaca R. "Association of gastric cancer, HLA-DQA1, and infection with Helicobacter pylori CagA+ and VacA+ in a Mexican population". Journal of gastroenterology. 2004; 39: 1138 (#J0114423)
  54. Garza-Gonzalez E; Tijerina-Menchaca R; Perez-Perez GI; Bosques-Padilla FJ. "Bacteriostatic and bactericidal activity of rabeprazole against Helicobacter pylori [letter]". Journal of chemotherapy. 2004; 16: 612 (#J0114422)
  55. Garza-Gonzalez E; Bosques-Padilla FJ; Tijerina-Menchaca R; Perez-Perez GI. "Characterisation of Helicobacter pylori isolates from the north-eastern region of Mexico". Clinical microbiology & infection. 2004; 10: 41 (#J0069624)
  56. Perez-Perez GI; Rothenbacher D; Brenner H. "Epidemiology of Helicobacter pylori Infection". Helicobacter. 2004; 9 Suppl 1: 1 (#J0069620)
  57. Aras RA; Fischer W; Perez-Perez GI; Crosatti M; Ando T; Haas R; Blaser MJ. "Plasticity of repetitive DNA sequences within a bacterial (Type IV) secretion system component". Journal of experimental medicine. 2003; 198: 1349 (#J0067223)
  58. Belongia EA; Chyou PH; Greenlee RT; Perez-Perez G; Bibb WF; DeVries EO. "Diarrhea Incidence and Farm-Related Risk Factors for Escherichia coli O157:H7 and Campylobacter jejuni Antibodies among Rural Children". Journal of infectious diseases. 2003; 187: 1460 (#J0047793)
  59. Bosques-Padilla FJ; Tijerina-Menchaca R; Perez-Perez GI; Flores-Gutierrez JP; Garza-Gonzalez E. "Comparison of Helicobacter pylori Prevalence in Symptomatic Patients in Northeastern Mexico with the Rest of the Country. Its Association with Gastrointestinal Disease". Archives of medical research (Mexico). 2003; 34: 60 (#J0047796)
  60. Falush D; Wirth T; Linz B; Pritchard JK; Stephens M; Kidd M; Blaser MJ; Graham DY; Vacher S; Perez-Perez GI; Yamaoka Y; Megraud F; Otto K; Reichard U; Katzowitsch E; Wang X; Achtman M; Suerbaum S. "Traces of human migrations in Helicobacter pylori populations". Science. 2003; 299: 1582 (#J0047746)
  61. Garza-Gonzalez E; Hold G; Perez-Perez GI; Bosques-Padilla FJ; Tijerina-Menchaca R; Maldonado-Garza HJ; el-Omar E. "[Role of polymorphism of certain cytokines in gastric cancer in Mexico. Preliminary results]". Revista de gastroenterologia de Mexico. 2003; 68: 107 (#J0069622)
  62. Garza-Gonzalez E; Bosques-Padilla FJ; Tijerina-Menchaca R; Flores-Gutierrez JP; Maldonado-Garza HJ; Perez-Perez GI. "Comparision of endoscopy-based and serum-based methods for the diagnosis of Helicobacter pylori". Canadian journal of gastroenterology. 2003; 17: 101 (#J0047795)
  63. Perez-Perez GI; Sack RB; Reid R; Santosham M; Croll J; Blaser MJ. "Transient and persistent Helicobacter pylori colonization in Native American children". Journal of clinical microbiology. 2003; 41: 2401 (#J0053239)
  64. Simon JA; Hudes ES; Perez-Perez GI. "Relation of serum ascorbic acid to Helicobacter pylori serology in US adults: the Third National Health and Nutrition Examination Survey". Journal of the American College of Nutrition. 2003; 22: 283 (#J0069625)
  65. Camorlinga, MP; Celis-Cruz, C; Romero, J; Ortiz, M; Lopez-Corella, E; Perez-Perez, G; Coria-Jimenez, R. "Simultaneous experimental colonization of Eriones unguiculatus (Mongolian gerbil) with PAI+ and PAI- Helicobacter pylori strains [Abstract]". Gut: journal of the British Society of Gastroenterology. 2002; 51: A49 (#J0102371)
  66. Everhart JE; Kruszon-Moran D; Perez-Perez G. "Reliability of Helicobacter pylori and CagA serological assays". Clinical & diagnostic laboratory immunology. 2002; 9: 412 (#J0047798)
  67. Freedman A; Afonja O; Chang MW; Mostashari F; Blaser M; Perez-Perez G; Lazarus H; Schacht R; Guttenberg J; Traister M; Borkowsky W. "Cutaneous anthrax associated with microangiopathic hemolytic anemia and coagulopathy in a 7-month-old infant". JAMA. 2002; 287: 869 (#J0028237)
  68. Garza-Gonzalez E; Perez-Perez GI; Tijerina-Menchaca R; Maldonado-Garza HJ; Bosques-Padilla FJ. "[Helicobacter pylori genotypes and their association with host's immune response]". Revista de gastroenterologia de Mexico. 2002; 67: 155 (#J0047794)
  69. Garza-Gonzalez E; Perez-Perez GI; Alanis-Aguilar O; Tijerina-Menchaca R; Maldonado-Garza HJ; Bosques-Padilla FJ. "Antibiotic susceptibility patterns of Helicobacter pylori strains isolated from northeastern Mexico". Journal of chemotherapy. 2002; 14: 342 (#J0047797)
  70. Garza-Gonzalez, E; Bosques-Padilla, FJ; Perez-Perez, GI; Tijerina-Menchaca, R. "Potential correlation of HLA-DQ alleles and clinical outcomes related to H-pylori CagA plus and VacA [Abstract]". Gut: journal of the British Society of Gastroenterology. 2002; 51: A25 (#J0102370)
  71. Garza-Gonzalez, E; Hold, GL; Perez-Perez, GI; Bosques-Padilla, FJ; Tijerina-Menchaca, R; El-Omar, EM. "Role of the polymorphic cytokines genes in gastric cancer in Mexico [Abstract]". Gut: journal of the British Society of Gastroenterology. 2002; 51: A23 (#J0102369)
  72. Ghose C; Perez-Perez GI; Dominguez-Bello MG; Pride DT; Bravi CM; Blaser MJ. "East Asian genotypes of Helicobacter pylori strains in Amerindians provide evidence for its ancient human carriage". Proceedings of the National Academy of Sciences of the United States of America. 2002; 99: 15107 (#J0047753)
  73. Groves FD; Perez-Perez G; Zhang L; You WC; Lipsitz SR; Gail MH; Fraumeni JF Jr; Blaser MJ. "Serum antibodies to Helicobacter pylori and the CagA antigen do not explain differences in the prevalence of precancerous gastric lesions in two Chinese populations with contrasting gastric cancer rates". Cancer epidemiology biomarkers & prevention. 2002; 11: 1091 (#J0047758)
  74. Levine SM; Perez-Perez G; Olivares A; Yee H; Hanna BA; Blaser MJ. "PCR-based detection of Bacillus anthracis in formalin-fixed tissue from a patient receiving ciprofloxacin". Journal of clinical microbiology. 2002; 40: 4360 (#J0047755)
  75. Limburg PJ; Stolzenberg-Solomon RZ; Colbert LH; Perez-Perez GI; Blaser MJ; Taylor PR; Virtamo J; Albanes D. "Helicobacter pylori seropositivity and colorectal cancer risk: a prospective study of male smokers". Cancer epidemiology biomarkers & prevention. 2002; 11: 1095 (#J0047757)
  76. Nomura AM; Lee J; Stemmermann GN; Nomura RY; Perez-Perez GI; Blaser MJ. "Helicobacter pylori CagA seropositivity and gastric carcinoma risk in a Japanese American population". Journal of infectious diseases. 2002; 186: 1138 (#J0047759)
  77. Nomura AM; Perez-Perez GI; Lee J; Stemmermann G; Blaser MJ. "Relation between Helicobacter pylori cagA status and risk of peptic ulcer disease". American journal of epidemiology. 2002; 155: 1054 (#J0047763)
  78. Perez-Perez, GI; Olivares, AZ; Peek, RM; Tham, K; Blaser, MJ. "Detection of Helicobacter pylori in gastric juice by PCR [Abstract]". Gut: journal of the British Society of Gastroenterology. 2002; 51: A110 (#J0102372)
  79. Perez-Perez GI; Salomaa A; Kosunen TU; Daverman B; Rautelin H; Aromaa A; Knekt P; Blaser MJ. "Evidence that cagA(+) Helicobacter pylori strains are disappearing more rapidly than cagA(-) strains". Gut: journal of the British Society of Gastroenterology. 2002; 50: 295 (#J0027810)
  80. Romero-Gallo J; Perez-Perez GI; Novick RP; Kamath P; Norbu T; Blaser MJ. "Responses of endoscopy patients in Ladakh, India, to Helicobacter pylori whole-cell and Cag A antigens". Clinical & diagnostic laboratory immunology. 2002; 9: 1313 (#J0047754)
  81. Tijerina-Menchaca R; Bosques-Padilla FJ; Perez-Perez GI; Maldonado-Garza HJ; Garza-Gonzalez E. "Validacion del Western blot para la deteccion del genotipo de Helicobacter pylori". Medicina universitaria. 2002; 4: 212 (#J0052257)
  82. Torres J; Camorlinga-Ponce M; Perez-Perez G; Munoz L; Munoz O. "Specific serum immunoglobulin G response to urease and CagA antigens of Helicobacter pylori in infected children and adults in a country with high prevalence of infection". Clinical & diagnostic laboratory immunology. 2002; 9: 97 (#J0047799)
  83. Dominguez-Bello, MG; Godette, G; Sundseth, R; Perez-Perez, GI; Wojciechowski, M; Bonaventura, C; Henkens, R. "Quantitative molecular electrochemical detection of Helicobacter pylori [Abstract]". Gut: journal of the British Society of Gastroenterology. 2001; 49: A99 (#J0099194)
  84. Dominguez-Bello, MG; Perez-Perez, GI; Pacheco, N; Gonzalez, E; Garza-Gonzalez, E; Mora, R; Mago, V; Gomez, I. "Seroprevalence of Helicobacter pylori and CagA in areas of Venezuela with different gastric cancer risks [Abstract]". Gut: journal of the British Society of Gastroenterology. 2001; 49: A36 (#J0099193)
  85. Figueiredo C; Quint W; Nouhan N; van Den Munckhof H; Herbrink P; Scherpenisse J; de Boer W; Schneeberger P; Perez-Perez G; Blaser MJ; van Doorn LJ. "Assessment of Helicobacter pylori vacA and cagA Genotypes and Host Serological Response". Journal of clinical microbiology. 2001; 39: 1339 (#J0020873)
  86. Garza-Gonzalez, E; Bosques-Padilla, FJ; Maldonado-Garza, H; Tijerina-Menchaca, R; Perez-Perez, GI. "Characterization of Helicobacter pylori strains isolated from the northeast region of Mexico [Abstract]". Gut: journal of the British Society of Gastroenterology. 2001; 49: A34 (#J0099192)
  87. Ghose, C; Perez-Perez, GI; Dominguez-Bello, MG; Blaser, MJ. "Helicobacter pylori among indigenous peoples of Venezuela: European or Asian origin? [Abstract]". Clinical infectious diseases. 2001; 33: 1233 (#J0099162)
  88. Limburg P; Qiao Y; Mark S; Wang G; Perez-Perez G; Blaser M; Wu Y; Zou X; Dong Z; Taylor P; Dawsey S. "Helicobacter pylori seropositivity and subsite-specific gastric cancer risks in Linxian, China". Journal of the National Cancer Institute. 2001; 93: 226 (#J0047804)
  89. Moss SF; Sordillo EM; Abdalla AM; Makarov V; Hanzely Z; Perez-Perez GI; Blaser MJ; Holt PR. "Increased gastric epithelial cell apoptosis associated with colonization with cagA + Helicobacter pylori strains". Cancer research. 2001; 61: 1406 (#J0020876)
  90. Munoz L; Gonzalez-Valencia G; Perez-Perez GI; Giono-Cerezo S; Munoz O; Torres J. "A comparison of Lewis x and Lewis y expression in Helicobacter pylori obtained from children and adults". Journal of infectious diseases. 2001; 183: 1147 (#J0027813)
  91. Perez-Perez, GI; Garza-Gonzalez, E; Flores-Gutierrez, JP; Maldonado-Garza, HJ; Bosques-Padilla, FJ; Tijerina-Menchaca, R. "Comparison of invasive and serological tests for the diagnostic of Helicobacter pylori [Abstract]". Gut: journal of the British Society of Gastroenterology. 2001; 49: A104 (#J0099195)
  92. Perez-Perez, GI; Dominguez-Bello, MG; Ghose, C; Pacheco, N; Gonzalez, E; Mago, V; de Novoa, PG; Gomez, I; Mora, R; Blaser, MJ. "Presence of specific Asian Helicobacter pylori genotypes in Amerindians in Venezuela [Abstract]". Gut: journal of the British Society of Gastroenterology. 2001; 49: A33 (#J0099191)
  93. Stolzenberg-Solomon RZ; Blaser MJ; Limburg PJ; Perez-Perez G; Taylor PR; Virtamo J; Albanes D. "Helicobacter pylori seropositivity as a risk factor for pancreatic cancer". Journal of the National Cancer Institute. 2001; 93: 937 (#J0047801)
  94. Tham KT; Peek RM; Atherton JC; Cover TL; Perez-Perez GI; Shyr Y; Blaser MJ. "Helicobacter pylori genotypes, host factors, and gastric mucosal histopathology in peptic ulcer disease". Human pathology. 2001; 32: 264 (#J0020874)
  95. Torres J; Camorlinga-Ponce M; Perez-Perez G; Madrazo-De la Garza A; Dehesa M; Gonzalez-Valencia G; Munoz O. "Increasing multidrug resistance in Helicobacter pylori strains isolated from children and adults in Mexico". Journal of clinical microbiology. 2001; 39: 2677 (#J0047800)
  96. Torres J; Camorlinga M; Perez-Perez G; Gonzalez G; Munoz O. "Validation of the string test for the recovery of Helicobacter pylori from gastric secretions and correlation of its results with urea breath test results, serology, and gastric pH levels". Journal of clinical microbiology. 2001; 39: 1650 (#J0047802)
  97. You WC; Zhang L; Pan KF; Jiang J; Chang YS; Perez-Perez GI; Liu WD; MA JL; Gail MH; Blaser MJ; Fraumeni JF; Xu GW. "Helicobacter pylori prevalence and CagA status among children in two counties of China with high and low risks of gastric cancer". Annales of epidemiology. 2001; 11: 543 (#J0027811)
  98. Ando T; Perez-Perez GI; Kusugami K; Ohsuga M; Bloch KC; Blaser MJ. "Anti-CagA immunoglobulin G responses correlate with interleukin-8 induction in human gastric mucosal biopsy culture". Clinical & diagnostic laboratory immunology. 2000; 7: 803 (#J0020888)
  99. Everhart JE; Kruszon-Moran D; Perez-Perez GI; Tralka TS; McQuillan G. "Seroprevalence and ethnic differences in Helicobacter pylori infection among adults in the United States". Journal of infectious diseases. 2000; 181: 1359 (#J0027815)
  100. Haley, CA; D'Agata, EM; Perez-Perez, GI; Blaser, MJ; McGowan, CC. "Association between H-pylori seropositivity and atrophic Gastritis in HIV-infected persons [Abstract]". Clinical infectious diseases. 2000; 31: 234 (#J0097649)
  101. Harford WV; Barnett C; Lee E; Perez-Perez G; Blaser MJ; Peterson WL. "Acute gastritis with hypochlorhydria: report of 35 cases with long term follow up". Gut: journal of the British Society of Gastroenterology. 2000; 47: 467 (#J0020887)
  102. Keenan J; Day T; Neal S; Cook B; Perez-Perez G; Allardyce R; Bagshaw P. "A role for the bacterial outer membrane in the pathogenesis of Helicobacter pylori infection". FEMS microbiology letters. 2000; 182: 259 (#J0047808)
  103. Legath, AJ; Perez-Perez, GI; Rautelin, H; Kosunen, TU; Blaser, MJ. "Long term stability of serum IgG1/IgG2 antibody ratios to Helicobacter pylori in healthy adults [Abstract]". Clinical infectious diseases. 2000; 31: 233 (#J0097648)
  104. Legath, AJ; Perez-Perez, GI; Rautelin, H; Kosunen, TU; Peek, RM; Sack, RB; Blaser, MJ. "Serum IgG recognition of Helicobacter pylori antigens after acute acquisition or persistent carriage of the organism [Abstract]". Clinical infectious diseases. 2000; 31: 233 (#J0097647)
  105. Loffeld RJ; Werdmuller BF; Kuster JG; Perez-Perez GI; Blaser MJ; Kuipers EJ. "Colonization with cagA-positive Helicobacter pylori strains inversely associated with reflux esophagitis and Barrett's esophagus". Digestion. 2000; 62: 95 (#J0020881)
  106. Mao HV; Lak BV; Long T; Chung NQ; Thang DM; Hop TV; Chien NN; Hoan PQ; Henley KS; Perez-Perez GI; Connor BA; Stone CD; Chey WD. "Omeprazole or ranitidine bismuth citrate triple therapy to treat Helicobacter pylori infection: a randomized, controlled trial in Vietnamese patients with duodenal ulcer". Alimentary pharmacology & therapeutics. 2000; 14: 97 (#J0027817)
  107. Perez-Perez GI. "[Is the association of Helicobacter pylori with humans a classical example of parasitism?]". Revista de gastroenterologia de Mexico. 2000; 65: 7 (#J0027812)
  108. Perez-Perez GI. "Accurate diagnosis of Helicobacter pylori. Culture, including transport". Gastroenterology clinics of North America. 2000; 29: 879 (#J0023215)
  109. Perez-Perez, GI; Legath, AJ; Rautelin, H; Kosunen, TU; Blaser, MJ. "Long-term stability of serum IgG1/IgG2 antibody ratios to Helicobacter pylori in healthy adults [Abstract]". Gut: journal of the British Society of Gastroenterology. 2000; 47: A35 (#J0097444)
  110. Perez-Perez GI; Israel DA. "Role of iron in Helicobacter pylori: its influence in outer membrane protein expression and in pathogenicity". European journal of gastroenterology & hepatology. 2000; 12: 1263 (#J0027814)
  111. Riveron AM; Lopez-Canovas L; Flores E; Perez-Perez G; Luna-Arias JP; Orozco E. "Algorithm to predict MiniCHEF electrophoresis patterns of Entamoeba histolytica DNA". Archives of medical research (Mexico). 2000; 31: S279 (#J0047805)
  112. Riveron AM; Lopez-Canovas L; Baez-Camargo M; Flores E; Perez-Perez G; Luna-Arias JP; Orozco E. "Circular and linear DNA molecules in the Entamoeba histolytica complex molecular karyotype". European biophysics journal. 2000; 29: 48 (#J0047807)
  113. Torres J; Perez-Perez G; Goodman KJ; Atherton JC; Gold BD; Harris PR; la Garza AM; Guarner J; Munoz O. "A comprehensive review of the natural history of Helicobacter pylori infection in children". Archives of medical research (Mexico). 2000; 31: 431 (#J0047803)
  114. Vaezi MF; Falk GW; Peek RM; Vicari JJ; Goldblum JR; Perez-Perez GI; Rice TW; Blaser MJ; Richter JE. "CagA-positive strains of Helicobacter pylori may protect against Barrett's esophagus". American journal of gastroenterology. 2000; 95: 2206 (#J0020884)
  115. Yanez P; la Garza AM; Perez-Perez G; Cabrera L; Munoz O; Torres J. "Comparison of invasive and noninvasive methods for the diagnosis and evaluation of eradication of Helicobacter pylori infection in children". Archives of medical research (Mexico). 2000; 31: 415 (#J0047806)
  116. Dubois A; Berg DE; Incecik ET; Fiala N; Heman-Ackah LM; Del Valle J; Yang M; Wirth HP; Perez-Perez GI; Blaser MJ. "Host specificity of Helicobacter pylori strains and host responses in experimentally challenged nonhuman primates". Gastroenterology. 1999; 116: 90 (#J0020925)
  117. Leal-Herrera Y; Torres J; Perez-Perez G; Gomez A; Monath T; Tapia-Conyer R; Munoz O. "Serologic IgG response to urease in Helicobacter pylori-infected persons from Mexico". American journal of tropical medicine & hygiene. 1999; 60: 587 (#J0047809)
  118. Ng EK; Thompson SA; Perez-Perez GI; Kansau I; van der Ende A; Labigne A; Sung JJ; Chung SC; Blaser MJ. "Helicobacter pylori heat shock protein A: serologic responses and genetic diversity". Clinical & diagnostic laboratory immunology. 1999; 6: 377 (#J0020921)
  119. Peek RM Jr; Vaezi MF; Falk GW; Goldblum JR; Perez-Perez GI; Richter JE; Blaser MJ. "Role of Helicobacter pylori cagA(+) strains and specific host immune responses on the development of premalignant and malignant lesions in the gastric cardia". International journal of cancer. 1999; 82: 520 (#J0044278)
  120. Perez-Perez GI; Peek RM; Atherton JC; Blaser MJ; Cover TL. "Detection of anti-VacA antibody responses in serum and gastric juice samples using type s1/m1 and s2/m2 Helicobacter pylori VacA antigens". Clinical & diagnostic laboratory immunology. 1999; 6: 489 (#J0020915)
  121. Perez-Perez GI; Peek RM; Legath AJ; Heine PR; Graff LB. "The role of CagA status in gastric and extragastric complications of Helicobacter pylori". Journal of physiology & pharmacology. 1999; 50: 833 (#J0027816)
  122. Abdalla AM; Sordillo EM; Hanzely Z; Perez-Perez GI; Blaser MJ; Holt PR; Moss SF. "Insensitivity of the CLOtest for H. pylori, Especially in the Elderly". Gastroenterology. 1998; 115: 243b (#J0020938)
  123. Abdalla AM; Sordillo EM; Hanzely Z; Perez-Perez GI; Blaser MJ; Holt PR; Moss SF. "Insensitivity of the CLOtest for H. pylori, especially in the elderly [Letter]". Gastroenterology. 1998; 115: 243 (#J0020936)
  124. Camorlinga-Ponce M; Torres J; Perez-Perez G; Leal-Herrera Y; Gonzalez-Ortiz B; Madrazo de la Garza A; Gomez A; Munoz O. "Validation of a serologic test for the diagnosis of Helicobacter pylori infection and the immune response to urease and CagA in children". American journal of gastroenterology. 1998; 93: 1264 (#J0047811)
  125. Chow WH; Blaser MJ; Blot WJ; Gammon MD; Vaughan TL; Risch HA; Perez-Perez GI; Schoenberg JB; Stanford JL; Rotterdam H; West AB; Fraumeni JF. "An inverse relation between cagA+ strains of Helicobacter pylori infection and risk of esophageal and gastric cardia adenocarcinoma". Cancer research. 1998; 58: 588 (#J0020954)
  126. Dubois A; Berg DE; Fiala N; Heman-Ackah LM; Perez-Perez GI; Blaser MJ. "Cure of Helicobacter pylori infection by omeprazole-clarithromycin-based therapy in non-human primates". Journal of gastroenterology. 1998; 33: 18 (#J0020951)
  127. Torres J; Leal-Herrera Y; Perez-Perez G; Gomez A; Camorlinga-Ponce M; Cedillo-Rivera R; Tapia-Conyer R; Munoz O. "A community-based seroepidemiologic study of Helicobacter pylori infection in Mexico". Journal of infectious diseases. 1998; 178: 1089 (#J0047810)
  128. Torres J; Perez-Perez GI; Leal-Herrera Y; Munoz O. "Infection with CagA+ Helicobacter pylori strains as a possible predictor of risk in the development of gastric adenocarcinoma in Mexico". International journal of cancer. 1998; 78: 298 (#J0027818)
  129. Vicari JJ; Peek RM; Falk GW; Goldblum JR; Easley KA; Schnell J; Perez-Perez GI; Halter SA; Rice TW; Blaser MJ; Richter JE. "The seroprevalence of cagA-positive Helicobacter pylori strains in the spectrum of gastroesophageal reflux disease". Gastroenterology. 1998; 115: 50 (#J0020939)
  130. Beales I; Blaser MJ; Srinivasan S; Calam J; Perez-Perez GI; Yamada T; Scheiman J; Post L; Del Valle J. "Effect of Helicobacter pylori products and recombinant cytokines on gastrin release from cultured canine G cells". Gastroenterology. 1997; 113: 465 (#J0020971)
  131. Grandis JR; Perez-Perez GI; Yu VL; Johnson JT; Blaser MJ. "Lack of serologic evidence for Helicobacter pylori infection in head and neck cancer". Head & neck. 1997; 19: 216 (#J0020980)
  132. Groves FD; Zhang L; Li JY; You WC; Chang YS; Zhao L; Liu WD; Rabkin CS; Perez-Perez GI; Blaser MJ; Gail MH. "Comparison of two enzyme-linked immunosorbent assay tests for diagnosis of Helicobacter pylori infection in China". Cancer epidemiology biomarkers & prevention. 1997; 6: 551 (#J0020975)
  133. Hook-Nikanne J; Perez-Perez GI; Blaser MJ. "Antigenic characterization of Helicobacter pylori strains from different parts of the world". Clinical & diagnostic laboratory immunology. 1997; 4: 592 (#J0020969)
  134. Kidd M; Miu K; Tang LH; Perez-Perez GI; Blaser MJ; Sandor A; Modlin IM. "Helicobacter pylori lipopolysaccharide stimulates histamine release and DNA synthesis in rat enterochromaffin-like cells". Gastroenterology. 1997; 113: 1110 (#J0020967)
  135. Kirkland T; Viriyakosol S; Perez-Perez GI; Blaser MJ. "Helicobacter pylori lipopolysaccharide can activate 70Z/3 cells via CD14". Infection & immunity. 1997; 65: 604 (#J0020986)
  136. Peek RM; Moss SF; Tham KT; Perez-Perez GI; Wang S; Miller GG; Atherton JC; Holt PR; Blaser MJ. "Helicobacter pylori cagA+ strains and dissociation of gastric epithelial cell proliferation from apoptosis". Journal of the National Cancer Institute. 1997; 89: 863 (#J0020977)
  137. Perez-Perez GI; Bhat N; Gaensbauer J; Fraser A; Taylor DN; Kuipers EJ; Zhang L; You WC; Blaser MJ. "Country-specific constancy by age in cagA+ proportion of Helicobacter pylori infections". International journal of cancer. 1997; 72: 453 (#J0020973)
  138. Perez-Perez GI. "Role of Helicobacter pylori infection in the development of pernicious anemia". Clinical infectious diseases. 1997; 25: 1020 (#J0027819)
  139. Perez-Perez GI; Cutler AF; Blaser MJ. "Value of serology as a noninvasive method for evaluating the efficacy of treatment of Helicobacter pylori infection". Clinical infectious diseases. 1997; 25: 1038 (#J0020955)
  140. Sharma SA; Miller GG; Peek RA; Perez-Perez G; Blaser MJ. "T-cell, antibody, and cytokine responses to homologs of the 60-kilodalton heat shock protein in Helicobacter pylori infection". Clinical & diagnostic laboratory immunology. 1997; 4: 440 (#J0020974)
  141. Dubois A; Berg DE; Incecik ET; Fiala N; Heman-Ackah LM; Perez-Perez GI; Blaser MJ. "Transient and persistent experimental infection of nonhuman primates with Helicobacter pylori: implications for human disease". Infection & immunity. 1996; 64: 2885 (#J0020996)
  142. Ellison RT; Perez-Perez G; Welsh CH; Blaser MJ; Riester KA; Cross AS; Donta ST; Peduzzi P. "Risk factors for upper gastrointestinal bleeding in intensive care unit patients: role of helicobacter pylori. Federal Hyperimmune Immunoglobulin Therapy Study Group". Critical care medicine. 1996; 24: 1974 (#J0020988)
  143. Gonzalez-Valencia G; Perez-Perez GI; Washburn RG; Blaser MJ. "Susceptibility of Helicobacter pylori to the bactericidal activity of human serum". Helicobacter. 1996; 1: 28 (#J0020957)
  144. Harris PR; Mobley HL; Perez-Perez GI; Blaser MJ; Smith PD. "Helicobacter pylori urease is a potent stimulus of mononuclear phagocyte activation and inflammatory cytokine production". Gastroenterology. 1996; 111: 419 (#J0020997)
  145. Perez-Perez GI; Thiberge JM; Labigne A; Blaser MJ. "Relationship of immune response to heat-shock protein A and characteristics of Helicobacter pylori-infected patients". Journal of infectious diseases. 1996; 174: 1046 (#J0020990)
  146. Blaser MJ; Perez-Perez GI; Kleanthous H; Cover TL; Peek RM; Chyou PH; Stemmermann GN; Nomura A. "Infection with Helicobacter pylori strains possessing cagA is associated with an increased risk of developing adenocarcinoma of the stomach". Cancer research. 1995; 55: 2111 (#J0021020)
  147. Cover TL; Glupczynski Y; Lage AP; Burette A; Tummuru MK; Perez-Perez GI; Blaser MJ. "Serologic detection of infection with cagA+ Helicobacter pylori strains". Journal of clinical microbiology. 1995; 33: 1496 (#J0021017)
  148. Cutler AF; Havstad S; Ma CK; Blaser MJ; Perez-Perez GI; Schubert TT. "Accuracy of invasive and noninvasive tests to diagnose Helicobacter pylori infection". Gastroenterology. 1995; 109: 136 (#J0021014)
  149. Dubois A; Fiala N; Weichbrod RH; Ward GS; Nix M; Mehlman PT; Taub DM; Perez-Perez GI; Blaser MJ. "Seroepizootiology of Helicobacter pylori gastric infection in nonhuman primates housed in social environments". Journal of clinical microbiology. 1995; 33: 1492 (#J0021018)
  150. Dummer JS; Perez-Perez GI; Breinig MK; Lee A; Wolff SN; Kormos R; Griffith BP; Blaser MJ. "Seroepidemiology of Helicobacter pylori infection in heart transplant recipients". Clinical infectious diseases. 1995; 21: 1303 (#J0021008)
  151. Kuipers EJ; Perez-Perez GI; Meuwissen SG; Blaser MJ. "Helicobacter pylori and atrophic gastritis: importance of the cagA status". Journal of the National Cancer Institute. 1995; 87: 1777 (#J0021006)
  152. Peek RM; Miller GG; Tham KT; Perez-Perez GI; Cover TL; Atherton JC; Dunn GD; Blaser MJ. "Detection of Helicobacter pylori gene expression in human gastric mucosa". Journal of clinical microbiology. 1995; 33: 28 (#J0021028)
  153. Peek RM; Miller GG; Tham KT; Perez-Perez GI; Zhao X; Atherton JC; Blaser MJ. "Heightened inflammatory response and cytokine expression in vivo to cagA+ Helicobacter pylori strains". Laboratory investigation. 1995; 73: 760 (#J0021005)
  154. Perez-Perez GI; Shepherd VL; Morrow JD; Blaser MJ. "Activation of human THP-1 cells and rat bone marrow-derived macrophages by Helicobacter pylori lipopolysaccharide". Infection & immunity. 1995; 63: 1183 (#J0021024)
  155. Szelc-Kelly CM; Goral S; Perez-Perez GI; Perkins BA; Regnery RL; Edwards KM. "Serologic responses to Bartonella and Afipia antigens in patients with cat scratch disease". Pediatrics. 1995; 96: 1137 (#J0027820)
  156. Carmel R; Perez-Perez GI; Blaser MJ. "Helicobacter pylori infection and food-cobalamin malabsorption". Digestive diseases & sciences. 1994; 39: 309 (#J0021046)
  157. Dubois A; Fiala N; Heman-Ackah LM; Drazek ES; Tarnawski A; Fishbein WN; Perez-Perez GI; Blaser MJ. "Natural gastric infection with Helicobacter pylori in monkeys: a model for spiral bacteria infection in humans". Gastroenterology. 1994; 106: 1405 (#J0021039)
  158. Gootz TD; Perez-Perez GI; Clancy J; Martin BA; Tait-Kamradt A; Blaser MJ. "Immunological and molecular characterization of Helicobacter felis urease". Infection & immunity. 1994; 62: 793 (#J0021045)
  159. Nomura A; Stemmermann GN; Chyou PH; Perez-Perez GI; Blaser MJ. "Helicobacter pylori infection and the risk for duodenal and gastric ulceration". Annals of internal medicine. 1994; 120: 977 (#J0021038)
  160. Perez-Perez GI; Brown WR; Cover TL; Dunn BE; Cao P; Blaser MJ. "Correlation between serological and mucosal inflammatory responses to Helicobacter pylori". Clinical & diagnostic laboratory immunology. 1994; 1: 325 (#J0021042)
  161. Perez-Perez GI; Gower CB; Blaser MJ. "Effects of cations on Helicobacter pylori urease activity, release, and stability". Infection & immunity. 1994; 62: 299 (#J0021048)
  162. Shabib S; Laxer R; Silverman E; Perez-Perez G; Blaser M; Sherman P. "Seroprevalence of Helicobacter pylori infection is not increased in pediatric inflammatory arthritides". Journal of rheumatology. 1994; 21: 1548 (#J0047813)
  163. Sharma SA; Miller GG; Perez-Perez GI; Gupta RS; Blaser MJ. "Humoral and cellular immune recognition of Helicobacter pylori proteins are not concordant". Clinical & experimental immunology. 1994; 97: 126 (#J0021036)
  164. Blaser MJ; Kobayashi K; Cover TL; Cao P; Feurer ID; Perez-Perez GI. "Helicobacter pylori infection in Japanese patients with adenocarcinoma of the stomach". International journal of cancer. 1993; 55: 799 (#J0021051)
  165. Weitkamp JH; Perez-Perez GI; Bode G; Malfertheiner P; Blaser MJ. "Identification and characterization of Helicobacter pylori phospholipase C activity". Zentralblatt fur bakteriologie. 1993; 280: 11 (#J0021057)
  166. Blaser, Martin J; Perez-Perez, Guillermo I. "Humoral immune response to Lipopolysaccaride antigens of Campylobacter jejuni". [Alexandria, VA] : Ft. Belvoir Defense Technical Information Center, 1992. 1992; 7 (#B0002115)
  167. Dunn BE; Roop RM; Sung CC; Sharma SA; Perez-Perez GI; Blaser MJ. "Identification and purification of a cpn60 heat shock protein homolog from Helicobacter pylori". Infection & immunity. 1992; 60: 1946 (#J0021077)
  168. Gubbins GP; Schubert TT; Attanasio F; Lubetsky M; Perez-Perez GI; Blaser MJ. "Helicobacter pylori seroprevalence in patients with rheumatoid arthritis: effect of nonsteroidal anti-inflammatory drugs and gold compounds". American journal of medicine. 1992; 93: 412 (#J0021069)
  169. Mai UE; Perez-Perez GI; Allen JB; Wahl SM; Blaser MJ; Smith PD. "Surface proteins from Helicobacter pylori exhibit chemotactic activity for human leukocytes and are present in gastric mucosa". Journal of experimental medicine. 1992; 175: 517 (#J0021079)
  170. Parsonnet J; Blaser MJ; Perez-Perez GI; Hargrett-Bean N; Tauxe RV. "Symptoms and risk factors of Helicobacter pylori infection in a cohort of epidemiologists". Gastroenterology. 1992; 102: 41 (#J0021082)
  171. Perez-Perez GI; Olivares AZ; Cover TL; Blaser MJ. "Characteristics of Helicobacter pylori variants selected for urease deficiency". Infection & immunity. 1992; 60: 3658 (#J0021073)
  172. Perez-Perez, Guillermo I; Taylor, David N; Echerverria, Peter D; Blaser, Martin J. "Lack of Evidence of Enterotoxin Involvement in Pathogenesis of Campylobacter Diarrhea". [Alexandria, VA] : Ft. Belvoir Defense Technical Information Center, 1992. 1992; 12 (#B0002117)
  173. Blaser MJ; Perez-Perez GI; Lindenbaum J; Schneidman D; Van Deventer G; Marin-Sorensen M; Weinstein WM. "Association of infection due to Helicobacter pylori with specific upper gastrointestinal pathology". Reviews of infectious diseases. 1991; 13 Suppl 8: S704 (#J0021091)
  174. Cover TL; Puryear W; Perez-Perez GI; Blaser MJ. "Effect of urease on HeLa cell vacuolation induced by Helicobacter pylori cytotoxin". Infection & immunity. 1991; 59: 1264 (#J0021095)
  175. Dehesa M; Dooley CP; Cohen H; Fitzgibbons PL; Perez-Perez GI; Blaser MJ. "High prevalence of Helicobacter pylori infection and histologic gastritis in asymptomatic Hispanics". Journal of clinical microbiology. 1991; 29: 1128 (#J0021093)
  176. Fong TL; Dooley CP; Dehesa M; Cohen H; Carmel R; Fitzgibbons PL; Perez-Perez GI; Blaser MJ. "Helicobacter pylori infection in pernicious anemia: a prospective controlled study". Gastroenterology. 1991; 100: 328 (#J0021099)
  177. Mai UE; Perez-Perez GI; Wahl LM; Wahl SM; Blaser MJ; Smith PD. "Soluble surface proteins from Helicobacter pylori activate monocytes/macrophages by lipopolysaccharide-independent mechanism". Journal of clinical investigation. 1991; 87: 894 (#J0021097)
  178. Morris AJ; Ali MR; Nicholson GI; Perez-Perez GI; Blaser MJ. "Long-term follow-up of voluntary ingestion of Helicobacter pylori". Annals of internal medicine. 1991; 114: 662 (#J0021094)
  179. Nomura A; Stemmermann GN; Chyou PH; Kato I; Perez-Perez GI; Blaser MJ. "Helicobacter pylori infection and gastric carcinoma among Japanese Americans in Hawaii". New England journal of medicine. 1991; 325: 1132 (#J0021086)
  180. Perez-Perez GI; Witkin SS; Decker MD; Blaser MJ. "Seroprevalence of helicobacter pylori infection in couples". Journal of clinical microbiology. 1991; 29: 642 (#J0021096)
  181. Polish LB; Douglas JM; Davidson AJ; Perez-Perez GI; Blaser MJ. "Characterization of risk factors for Helicobacter pylori infection among men attending a sexually transmitted disease clinic: lack of evidence for sexual transmission". Journal of clinical microbiology. 1991; 29: 2139 (#J0021087)
  182. Talley NJ; Zinsmeister AR; Weaver A; DiMagno EP; Carpenter HA; Perez-Perez GI; Blaser MJ. "Gastric adenocarcinoma and Helicobacter pylori infection". Journal of the National Cancer Institute. 1991; 83: 1734 (#J0021084)
  183. Talley NJ; Newell DG; Ormand JE; Carpenter HA; Wilson WR; Zinsmeister AR; Perez-Perez GI; Blaser MJ. "Serodiagnosis of Helicobacter pylori: comparison of enzyme-linked immunosorbent assays". Journal of clinical microbiology. 1991; 29: 1635 (#J0021090)
  184. Cover TL; Perez-Perez GI; Blaser MJ. "Evaluation of cytotoxic activity in fecal filtrates from patients with Campylobacter jejuni or Campylobacter coli enteritis". FEMS microbiology letters. 1990; 58: 301 (#J0021110)
  185. Cover, Timothy L; Perez-Perez, Guillermo I; Blaser, Martin J. "Evaluation of Cytotoxic Activity in Fecal Filtrates from Patients with Campylobacter jejuni or Campylobacter coli enteritis". [Alexandria, VA] : Ft. Belvoir Defense Technical Information Center, 1990. 1990; 6 (#B0002116)
  186. Drumm B; Perez-Perez GI; Blaser MJ; Sherman PM. "Intrafamilial clustering of Helicobacter pylori infection". New England journal of medicine. 1990; 322: 359 (#J0021117)
  187. Dunn BE; Campbell GP; Perez-Perez GI; Blaser MJ. "Purification and characterization of urease from Helicobacter pylori". Journal of biological chemistry. 1990; 265: 9464 (#J0021111)
  188. Glassman MS; Dallal S; Berezin SH; Bostwick HE; Newman LJ; Perez-Perez GI; Blaser MJ. "Helicobacter pylori-related gastroduodenal disease in children. Diagnostic utility of enzyme-linked immunosorbent assay". Digestive diseases & sciences. 1990; 35: 993 (#J0021109)
  189. Perez-Perez GI; Taylor DN; Bodhidatta L; Wongsrichanalai J; Baze WB; Dunn BE; Echeverria PD; Blaser MJ. "Seroprevalence of Helicobacter pylori infections in Thailand". Journal of infectious diseases. 1990; 161: 1237 (#J0021112)
  190. Strauss RM; Wang TC; Kelsey PB; Compton CC; Ferraro MJ; Perez-Perez G; Parsonnet J; Blaser MJ. "Association of Helicobacter pylori infection with dyspeptic symptoms in patients undergoing gastroduodenoscopy". American journal of medicine. 1990; 89: 464 (#J0021105)
  191. Dooley CP; Cohen H; Fitzgibbons PL; Bauer M; Appleman MD; Perez-Perez GI; Blaser MJ. "Prevalence of Helicobacter pylori infection and histologic gastritis in asymptomatic persons". New England journal of medicine. 1989; 321: 1562 (#J0021119)
  192. Dunn BE; Perez-Perez GI; Blaser MJ. "Two-dimensional gel electrophoresis and immunoblotting of Campylobacter pylori proteins". Infection & immunity. 1989; 57: 1825 (#J0021123)
  193. Perez-Perez GI; Cohn DL; Guerrant RL; Patton CM; Reller LB; Blaser MJ. "Clinical and immunologic significance of cholera-like toxin and cytotoxin production by Campylobacter species in patients with acute inflammatory diarrhea in the USA". Journal of infectious diseases. 1989; 160: 460 (#J0021122)
  194. Moore MA; Blaser MJ; Perez-Perez GI; O'Brien AD. "Production of a Shiga-like cytotoxin by Campylobacter". Microbial pathogenesis. 1988; 4: 455 (#J0021132)
  195. Perez-Perez GI; Dworkin BM; Chodos JE; Blaser MJ. "Campylobacter pylori antibodies in humans". Annals of internal medicine. 1988; 109: 11 (#J0021131)
  196. Finch MJ; Valdespino JL; Wells JG; Perez-Perez G; Arjona F; Sepulveda A; Bessudo D; Blake PA. "Non-01 Vibrio cholerae infections in Cancun, Mexico". American journal of tropical medicine & hygiene. 1987; 36: 393 (#J0047816)
  197. Perez-Perez GI; Blaser MJ. "Conservation and diversity of Campylobacter pyloridis major antigens". Infection & immunity. 1987; 55: 1256 (#J0021146)
  198. Blaser MJ; Hopkins JA; Perez-Perez GI; Cody HJ; Newell DG. "Antigenicity of Campylobacter jejuni flagella". Infection & immunity. 1986; 53: 47 (#J0021153)
  199. Blaser, Martin J; Hopkins, Janet A; Perez-Perez, Guillermo I; Cody, Henry J; Newell, Diane G. "Antigenicity of Campylobacter Jejuni Flagella". [Alexandria, VA] : Ft. Belvoir Defense Technical Information Center, 1986. 1986; 7 (#B0002119)
  200. Perez-Perez, Guillermo I; Ahumada, A Marina Hinojosa; Madjar, David Bessudo. "Actividad in vitro de tetroxoprim sulfadiazina "PRIM" sobre cepa de Salmonella enteritidis = [In vitro activity of tetroxoprim sulfadiazine (PRIM) on strain of Salmonella enteritidis]". Investigacion medica internacional. 1986; 13: 117 (#J0154880)
  201. Perez Perez GI; Hinojosa AM; Bessudo D. "Isolation of Campylobacter jejuni from intestinal contents of chickens in Mexico City". Revista latinoamericana de microbiologia. 1986; 28: 37 (#J0027821)
  202. Perez-Perez GI; Hopkins JA; Blaser MJ. "Lipopolysaccharide structures in Enterobacteriaceae, Pseudomonas aeruginosa, and Vibrio cholerae are immunologically related to Campylobacter spp". Infection & immunity. 1986; 51: 204 (#J0021169)
  203. Perez-Perez GI; Blaser MJ; Bryner JH. "Lipopolysaccharide structures of Campylobacter fetus are related to heat-stable serogroups". Infection & immunity. 1986; 51: 209 (#J0021166)
  204. Perez-Perez, Guillermo Ignacio; Perira Puello, Deisy del C; Ahumada, Marina Hinojosa; Bessudo, David. "Sensibilidad a diez antimicrobianos de Salmonella aislada de diverssas fuentes = [Sensibility of Salmonella isolated from different sources to 10 antimicrobials agents]". Infectologia. 1986; 6: 459 (#J0154881)
  205. Perez-Perez, Guillermo I; Blaser, Martin J; Bryner, John H. "Lipopolysaccharide Structures of Campylobacter fetus are Related to Heat-Stable Serogroups". [Alexandria, VA] : Ft. Belvoir Defense Technical Information Center, 1986. 1986; 5 (#B0002118)
  206. Perez GI; Hopkins JA; Blaser MJ. "Antigenic heterogeneity of lipopolysaccharides from Campylobacter jejuni and Campylobacter fetus". Infection & immunity. 1985; 48: 528 (#J0021174)
  207. Perez Perez GI; Blaser MJ. "Lipopolysaccharide characteristics of pathogenic campylobacters". Infection & immunity. 1985; 47: 353 (#J0021179)
  208. Perez-Perez GI; Hernandez-Albinez A. "Susceptibilidad de Salmonella y Shigella a los antimicrobianos en el Hospital Infantil de Mexico, 1979-1980 = [Susceptibility of Salmonella and Shigella to antimicrobial agents at the Hospital Infantil de Mexico, 1979-1980]". Boletin medico del Hospital Infantil de Mexico. 1985; 42: 488 (#J0027822)
  209. Perez-Perez, Guillermo I; Hopkins, Janet A; Blaser, Martin J. "Lipopolysaccharide Structures in Enterobacteriaceae, Pseudomonas Aeruginosa, and Vibrio Cholerae are Immunologically Related to Campylobacter Spp". [Alexandria, VA] : Ft. Belvoir Defense Technical Information Center, 1985. 1985; 6 (#B0002120)

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