The seroprevalence of Helicobacter pylori and its relationship to malaria in Ugandan children.

Abstract:

:Helicobacter pylori epidemiology in sub-Saharan Africa, particularly among children, has been little investigated. A secondary endpoint of our study was to examine for associations between the seroprevalence of H. pylori and the incidence of malaria. We explored H. pylori prevalence by measuring serum IgG antibodies to H. pylori whole cell and cytotoxin-associated gene A (CagA) antigens by ELISA in a longitudinal cohort of 200 Ugandan children, aged 1-10 years at enrollment, in whom malaria incidence was followed over 572 person-years. First-sample seroprevalence for H. pylori -specific IgG (63%) and for the H. pylori protein CagA (78.5%) were both high, and they were positively associated with advancing age (per each 1-year age increase, OR (95% CI): 1.60 (1.39-1.85), P<0.001). We observed nearly universal prevalence of CagA+ H. pylori by the age of 10 years in Kampala and found no evidence that H. pylori-positivity is protective against malaria.

authors

Gupta V,Perez-Perez GI,Dorsey G,Rosenthal PJ,Blaser MJ

doi

10.1016/j.trstmh.2011.09.001

subject

Has Abstract

pub_date

2012-01-01 00:00:00

pages

35-42

issue

1

eissn

0035-9203

issn

1878-3503

pii

S0035-9203(11)00186-6

journal_volume

106

pub_type

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