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Gut microbiota composition and relapse risk in pediatric MS: A pilot study.


ABSTRACT: We explored the association between baseline gut microbiota (16S rRNA biomarker sequencing of stool samples) in 17 relapsing-remitting pediatric MS cases and risk of relapse over a mean 19.8 months follow-up. From the Kaplan-Meier curve, 25% relapsed within an estimated 166 days from baseline. A shorter time to relapse was associated with Fusobacteria depletion (p=0.001 log-rank test), expansion of the Firmicutes (p=0.003), and presence of the Archaea Euryarchaeota (p=0.037). After covariate adjustments for age and immunomodulatory drug exposure, only absence (vs. presence) of Fusobacteria was associated with relapse risk (hazard ratio=3.2 (95% CI: 1.2-9.0), p=0.024). Further investigation is warranted. Findings could offer new targets to alter the MS disease course.

SUBMITTER: Tremlett H 

PROVIDER: S-EPMC4806409 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature

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Gut microbiota composition and relapse risk in pediatric MS: A pilot study.

Tremlett Helen H   Fadrosh Douglas W DW   Faruqi Ali A AA   Hart Janace J   Roalstad Shelly S   Graves Jennifer J   Lynch Susan S   Waubant Emmanuelle E  

Journal of the neurological sciences 20160220


We explored the association between baseline gut microbiota (16S rRNA biomarker sequencing of stool samples) in 17 relapsing-remitting pediatric MS cases and risk of relapse over a mean 19.8 months follow-up. From the Kaplan-Meier curve, 25% relapsed within an estimated 166 days from baseline. A shorter time to relapse was associated with Fusobacteria depletion (p=0.001 log-rank test), expansion of the Firmicutes (p=0.003), and presence of the Archaea Euryarchaeota (p=0.037). After covariate adj  ...[more]

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