Journal
HELICOBACTER
Volume 17, Issue 4, Pages 297-304Publisher
WILEY
DOI: 10.1111/j.1523-5378.2012.00941.x
Keywords
Probiotics; H; pylori; immunity; cytokine; yogurt; child
Categories
Funding
- Department of Health [DOH098-TD-F-113-098031-2]
- National Health Research Institute, Taiwan [NHRI-EX99-9908BI]
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Background: The benefits of probiotics to the pediatric Helicobacter pylori infection remain uncertain. We tested whether the H.similar to pylori-infected children have an altered gut microflora, and whether probiotics-containing yogurt can restore such change and improve their H.similar to pylori-related immune cascades. Methods: We prospectively included 38 children with H.similar to pylori infection confirmed by a positive 13C-urea breath test (UBT) and 38 age- and sex-matched noninfected controls. All of them have provided the serum and stool samples before and after 4-week ingestion of probiotics-containing yogurt. The serum samples were tested for the TNF-a, IL-10, IL-6, immunoglobulin (Ig) A, G, E, pepsinogens I and II levels. The stool samples were tested for the colony counts of Bifidobacterium spp. and Escherichia coli. The follow-up UBT indirectly assessed the H.similar to pylori loads after yogurt usage. Results: The H.similar to pylori-infected children had lower fecal Bifidobacterium spp. count (p = .009), Bifidobacterium spp./E.similar to coli ratio (p = .04), serum IgA titer (p = .04), and pepsinogens I/II ratio (p < .001) than in controls. In the H.similar to pylori-infected children, 4-week yogurt ingestion reduced the IL-6 level (p < .01) and H.similar to pylori loads (p = .046), but elevated the serum IgA and pepsinogen II levels (p < .001). Moreover, yogurt ingestion can improve the childhood fecal Bifidobacterium spp./E.similar to coli ratio (p = .03). Conclusions: The H.similar to pylori-infected children have a lower Bifidobacterium microflora in gut. The probiotics-containing yogurt can offer benefits to restore Bifidobacterium spp./E.similar to coli ratio in children and suppress the H.similar to pylori load with increment of serum IgA but with reduction in IL-6 in H.similar to pylori-infected children.
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