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Abstract Title:

Early-Life Antibiotic-Driven Dysbiosis Leads to Dysregulated Vaccine Immune Responses in Mice.

Abstract Source:

Cell Host Microbe. 2018 05 9 ;23(5):653-660.e5. PMID: 29746836

Abstract Author(s):

Miriam Anne Lynn, Damon John Tumes, Jocelyn Mei Choo, Anastasia Sribnaia, Stephen James Blake, Lex Ee Xiang Leong, Graeme Paul Young, Helen Siobhan Marshall, Steve Lodewijk Wesselingh, Geraint Berian Rogers, David John Lynn

Article Affiliation:

Miriam Anne Lynn

Abstract:

Antibody-mediated responses play a critical role in vaccine-mediated immunity. However, for reasons that are poorly understood, these responses are highly variable between individuals. Using a mouse model, we report that antibiotic-driven intestinal dysbiosis, specifically in early life, leads to significantly impaired antibody responses to five different adjuvanted and live vaccines. Restoration of the commensal microbiota following antibiotic exposure rescues these impaired responses. In contrast, antibiotic-treated adult mice do not exhibit impaired antibody responses to vaccination. Interestingly, in contrast to impaired antibody responses, immunized mice exposed to early-life antibiotics display significantly enhanced T cell cytokine recall responses upon ex vivo restimulation with the vaccine antigen. Our results demonstrate that, in mice, antibiotic-driven dysregulation of the gut microbiota in early life can modulate immune responses to vaccines that are routinely administered to infants worldwide.

Study Type : Animal Study

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Sayer Ji
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