Potential role of indolelactate and butyrate in multiple sclerosis revealed by integrated microbiome-metabolome analysis

Izhak Levi, Michael Gurevich, Gal Perlman, David Magalashvili, Shay Menascu, Noam Bar, Anastasia Godneva, Liron Zahavi, Danyel Chermon, Noa Kosower, Bat Chen Wolf, Gal Malka, Maya Lotan-Pompan, Adina Weinberger, Erez Yirmiya, Daphna Rothschild, Sigal Leviatan, Avishag Tsur, Maria Didkin, Sapir DreyerHen Eizikovitz, Yamit Titngi, Sue Mayost, Polina Sonis, Mark Dolev, Yael Stern, Anat Achiron*, Eran Segal*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

66 Scopus citations

Abstract

Multiple sclerosis (MS) is an immune-mediated disease whose precise etiology is unknown. Several studies found alterations in the microbiome of individuals with MS, but the mechanism by which it may affect MS is poorly understood. Here we analyze the microbiome of 129 individuals with MS and find that they harbor distinct microbial patterns compared with controls. To study the functional consequences of these differences, we measure levels of 1,251 serum metabolites in a subgroup of subjects and unravel a distinct metabolite signature that separates affected individuals from controls nearly perfectly (AUC = 0.97). Individuals with MS are found to be depleted in butyrate-producing bacteria and in bacteria that produce indolelactate, an intermediate in generation of the potent neuroprotective antioxidant indolepropionate, which we found to be lower in their serum. We identify microbial and metabolite candidates that may contribute to MS and should be explored further for their causal role and therapeutic potential.

Original languageEnglish
Article number100246
JournalCell Reports Medicine
Volume2
Issue number4
DOIs
StatePublished - 20 Apr 2021

Funding

FundersFunder number
Erez MS Fund40427
Federal German Ministry for Education and Research
Joyce E. Eisenberg Foundation
Peleg MS Fund40428
White Rose International Foundation
Horizon 2020 Framework Programme786344
Masonic Charitable Foundation
European Research Council
Minerva Foundation
Else Kröner-Fresenius-Stiftung
Israel Science Foundation
Crown Human Genome Center

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