Molecular epidemiology of Helicobacter pylori: Separation of H. pylori from East Asian and non-Asian countries

Epidemiology and Infection

Volumn 124, Issue 1, 2000, Pages 91-96

  Yamaoka, Y ^a,b,f   Osato, M S ^a   Sepulveda, A R ^a   Gutierrez, O ^c   Figura, N ^d   Kim, J G ^e   Kodama, T ^b   Kashima, K ^b   Graham, D Y ^a  

^a BAYLOR COLLEGE OF MEDICINE   (United States)

^b KYOTO PREFECTURAL UNIVERSITY OF MEDICINE   (Japan)

^c UNIVERSIDAD NACIONAL DE COLOMBIA   (Colombia)

^d UNIVERSITY OF SIENA   (Italy)

^e Korea University College of Medicine   (South Korea)

^f MICHAEL E DEBAKEY VETERANS AFFAIRS MEDICAL CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BACTERIAL DNA;

ARTICLE; EPIDEMIOLOGICAL DATA; GENE SEQUENCE; HELICOBACTER PYLORI; HUMAN; HUMAN TISSUE; MAJOR CLINICAL STUDY; NONHUMAN; NORTH AMERICA; POLYMERASE CHAIN REACTION; SOUTH AMERICA; SOUTHEAST ASIA; STRAIN DIFFERENCE; WESTERN EUROPE;

ADULT; AMERICAS; ANTIGENS, BACTERIAL; BACTERIAL PROTEINS; EUROPE; FAR EAST; GENOTYPE; HELICOBACTER INFECTIONS; HELICOBACTER PYLORI; HUMANS; MIDDLE AGED; POLYMERASE CHAIN REACTION; REPETITIVE SEQUENCES, NUCLEIC ACID; VIETNAM;

EID: 0033967488     PISSN: 09502688     EISSN: None     Source Type: Journal    
DOI: 10.1017/S0950268899003209     Document Type: Article

References (20)

1. Censini S, Lange C, Xiang Z, et al. cag, a pathogenicity island of Helicobacter pylori, encodes type 1-specific and disease-associated virulence factors. Proc Natl Acad Sci USA 1996; 93: 14648-53.
2. Crabtree JE, Farmery SM, Lindley IJ, Figura N, Peichl P, Tompkins DS. CagA/cytotoxic strains of Helicobacter pylori and interleukin-8 in gastric epithelial cell lines. J Clin Pathol 1994; 47: 945-50.
3. Crabtree JE, Covacci A, Farmery SM, et al. Helicobacter pylori induced interleukin-8 expression in gastric epithelial cells is associated with CagA positive phenotype. J Clin Pathol 1995; 48: 41-5.
4. Peek RM, Miller GG, Tham KT, et al. Heightened inflammatory response and cytokine expression in vivo to cagA + Helicobacter pylori strains. Lab Invest 1995; 71: 760-70.
5. Yamaoka Y, Kita M, Kodama T, Sawai N, Imanishi J. Helicobacter pylori cagA gene and expression of cytokine messenger RNA in gastric mucosa. Gastroenterology 1996; 110: 1744-52.
6. Yamaoka Y, Kita M, Kodama T, Sawai N, Kashima K, Imanishi J. Induction of various cytokines and development of severe mucosal inflammation of cagA gene-positive Helicobacter priori strains. Gut 1997; 41: 442-51.
7. Covacci A, Censini S, Bugnoli M, et al. Molecular characterization of the 128-kDa immunodominant antigen of Helicobacter pylori associated with cytotoxicity and duodenal ulcer. Proc Natl Acad Sci USA 1993; 90: 5791-5.
8. Tummuru MK, Cover TL, Blaser MJ. Cloning and expression of a high-molecular-mass major antigen of Helicobacter pylori: evidence of linkage to cytotoxin production. Infect Immun 1993; 61: 1799-809.
9. Maeda S, Kanai F, Ogura K, et al. High seropositivity of anti-CagA antibody in Helicobacter pylori-infected patients irrelevant to peptic ulcers and normal mucosa in Japan. Dig Dis Sci 1997; 42: 1841-7.
10. Yamaoka Y, Kodama T, Kashima K, Graham DY, Sepulveda AR. Variants of the 3′ region of the cagA gene in Helicobacter pylori isolates from different H. pylori associated diseases. J Clin Microbiol 1998; 36: 2258-63.
11. Höök-Nikanne J, Perez-Perez GI, Blaser MJ. Antigenic characterization of Helicobacter pylori strains from different parts of the world. Clin Diag Lab Immun 1997; 4: 592-7.
12. Perez-Perez GI, Bhat N, Gaensbauer J, et al. Country-specific constancy by age in cagA + proportion of Helicobacter pylori infections. Int J Cancer 1997; 72: 453-6.
13. van Doom LJ, Figueiredo C, Rossau R, et al. Typing of Helicobacter pylori vacA gene and detection of cagA gene by PCR and reverse hybridization. J Clin Microbiol 1998; 36: 1271-6.
14. van der Ende A, Pan ZJ, Bart A, et al. cagA-positive Helicobacter pylori populations in China and The Netherlands are distinct. Infect Immun 1998; 66: 1822-6.
15. van Doom LJ, Figueiredo C, Sanna R, et al. Expanding allelic diversity of Helicobacter pylori vacA. J Clin Microbiol 1998; 36: 2597-603.
16. van Doom LJ, Figueiredo C, Mégraud F, et al. Geographic distribution of vacA allelic types of Helicobacter pylori. Gastroenterology 1999; 116: 823-30.
17. Yamaoka Y, Kodama T, Gutierrez O, Kim JG, Kashima K, Graham DY. Relationship between Helicobacter pylori iceA, cagA, and vacA status and clinical outcome: studies in four different countries. J Clin Microbiol 1999; 37: 2274-9.
18. Yamaoka Y, Kodama T, Kita M, Imanishi J, Kashima K, Graham DY. Relationship of vacA genotypes of Helicobacter pylori to cagA status, cytotoxin production, and clinical outcome. Helicobacter 1998; 4: 241-53.
19. Atherton JC, Cao P, Peek RM, Tummuru MKR, Blaser MJ, Cover TL. Mosaicism in vacuolating cytotoxin alleles of Helicobacter pylori. J Biol Chem 1995; 270: 17771-7.
20. Yamaoka Y, El-Zimaity HMT, Gutierrez O, et al. Relationship between subtypes of the cagA 3′ repeat region, gastric histology, and susceptibility to low pH. Gastroenterology 1999; 117: 342-9.