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Helicobacter pylori Prevalence among Indigenous Peoples of South America

Robinson, Lisa-Gaye E. ; Black, Francis L. ; Lee, Francis K. ; Sousa, Alexandra O. ; Owens, Marilyn ; Danielsson, Dan ; Nahmias, André J. ; Gold, Benjamin D.

The Journal of infectious diseases, 2002-10, Vol.186 (8), p.1131-1137 [Periódico revisado por pares]

Chicago, IL: The University of Chicago Press

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Título:
Helicobacter pylori Prevalence among Indigenous Peoples of South America
Autor: Robinson, Lisa-Gaye E. ; Black, Francis L. ; Lee, Francis K. ; Sousa, Alexandra O. ; Owens, Marilyn ; Danielsson, Dan ; Nahmias, André J. ; Gold, Benjamin D.
Assuntos: Adolescent ; Adult ; Age Factors ; Aged ; Aged, 80 and over ; Antibodies ; Antibodies, Bacterial - immunology ; Antigens ; Bacterial diseases ; Bacterial diseases of the digestive system and abdomen ; Biological and medical sciences ; Blotting, Western ; Child ; Child, Preschool ; Disease transmission ; Enzyme linked immunosorbent assay ; Epidemiology ; Female ; Helicobacter Infections - epidemiology ; Helicobacter Infections - immunology ; Helicobacter pylori ; Helicobacter pylori - immunology ; Helicobacter pylori - isolation & purification ; Human bacterial diseases ; Human herpesvirus 1 ; Humans ; Immunoglobulin G - immunology ; Indians, South American ; Infant ; Infections ; Infectious diseases ; Major Articles ; Male ; Medical sciences ; Middle Aged ; Native Americans ; Prevalence ; Seroepidemiologic Studies ; South America - epidemiology ; Time Factors
É parte de: The Journal of infectious diseases, 2002-10, Vol.186 (8), p.1131-1137
Notas: istex:F3D0F0420D655B0A26ACCC3FC1EFE35A3334A6EF
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Descrição: The seroprevalence of Helicobacter pylori among secluded Indian populations of South America was determined to gain insight into the evolutionary history and possible transmission patterns of the organism. Serum samples obtained from 1024 donors in 22 different villages were tested by enzyme-linked immunosorbent assay for immunoglobulin G antibodies, and the results were confirmed by Western blot. The overall seroprevalence was 92%: >80% of children tested positive by 3 years of age, the highest prevalence in populations studied to date. Comparison of H. pylori prevalence with that of herpes simplex virus type 1, which is known to be transmitted orally, demonstrated a linear correlation in their prevalence rates, suggesting that these pathogens share risk factors. However, H. pylori seroprevalence was consistently higher, indicating that additional routes of transmission exist and/or that the organism is more transmissible. Seroprevalence did not correlate with the length of contact with the outside world. These results suggest that H. pylori was indigenous to the South American Indians and was not introduced by contact with outsiders
Editor: Chicago, IL: The University of Chicago Press
Idioma: Inglês

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Helicobacter pylori Prevalence among Indigenous Peoples of South America

Robinson, Lisa-Gaye E. ; Black, Francis L. ; Lee, Francis K. ; Sousa, Alexandra O. ; Owens, Marilyn ; Danielsson, Dan ; Nahmias, André J. ; Gold, Benjamin D.

Chicago, IL: The University of Chicago Press

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