A marine carotenoid, fucoxanthin, induces regulatory T cells and inhibits Th17 cell differentiation in vitro.

Biosci Biotechnol Biochem

Research and Development Division, Kikkoman Corporation, Noda, Chiba, Japan.

Published: February 2012

Fucoxanthin is a non-provitamin A carotenoid contained in brown seaweeds. We found that it suppressed interleukin-17 secretion from CD4(+) T cells under IL-17-producing T (Th17) cell development conditions. By evaluating T cell differentiation in vitro, fucoxanthin and its metabolite fucoxanthinol inhibited T cell differentiation into Th17 cells. This suggests that fucoxanthin can improve inflammatory diseases due to Th17 cells.

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http://dx.doi.org/10.1271/bbb.110459DOI Listing

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