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@ARTICLE{Xue:180812,
author = {H. Xue and X. Chen$^*$ and C. Yu and Y. Deng and Y. Zhang
and S. Chen and X. Chen and K. Chen and Y. Yang and W. Ling},
title = {{G}ut {M}icrobially {P}roduced {I}ndole-3-{P}ropionic
{A}cid {I}nhibits {A}therosclerosis by {P}romoting {R}everse
{C}holesterol {T}ransport and {I}ts {D}eficiency {I}s
{C}ausally {R}elated to {A}therosclerotic {C}ardiovascular
{D}isease},
journal = {Circulation research},
volume = {131},
number = {5},
issn = {0009-7330},
address = {New York, NY},
publisher = {Assoc.},
reportid = {DKFZ-2022-01574},
pages = {404-420},
year = {2022},
note = {#EA:C070# / 2022 Aug 19;131(5):404-420},
abstract = {BACKGROUND:Accumulating evidence has shown that disorders
in the gut microbiota and derived metabolites affect the
development of atherosclerotic cardiovascular disease
(ASCVD). However, which and how specific gut microbial
metabolites contribute to the progression of atherosclerosis
and the clinical relevance of their alterations remain
unclear.METHODS:We performed integrated
microbiome–metabolome analysis of 30 patients with
coronary artery disease (CAD) and 30 age- and sex-matched
healthy controls to identify CAD-associated microbial
metabolites, which were then assessed in an independent
population of patients with ASCVD and controls (n=256). We
further investigate the effect of CAD-associated microbial
metabolites on atherosclerosis and the mechanisms of the
action.RESULTS:Indole-3-propionic acid (IPA), a solely
microbially derived tryptophan metabolite, was the most
downregulated metabolite in patients with CAD. Circulating
IPA was then shown in an independent population to be
associated with risk of prevalent ASCVD and correlated with
the ASCVD severity. Dietary IPA supplementation alleviates
atherosclerotic plaque development in ApoE−/− mice. In
murine- and human-derived macrophages, administration of IPA
promoted cholesterol efflux from macrophages to ApoA-I
through an undescribed miR-142-5p/ABCA1 (ATP-binding
cassette transporter A1) signaling pathway. Further in vivo
studies demonstrated that IPA facilitates macrophage reverse
cholesterol transport, correlating with the regulation of
miR-142-5p/ABCA1 pathway, whereas reduced IPA production
contributed to the aberrant overexpression of miR-142-5p in
macrophages and accelerated the progression of
atherosclerosis. Moreover, the miR-142-5p/ABCA1/reverse
cholesterol transport axis in macrophages were dysregulated
in patients with CAD, and correlated with the changes in
circulating IPA levels.CONCLUSIONS:Our study identify a
previously unknown link between specific gut
microbiota-derived tryptophan metabolite and ASCVD. The
microbial metabolite IPA/miR-142-5p/ABCA1 pathway may
represent a promising therapeutic target for ASCVD.},
cin = {C070},
ddc = {610},
cid = {I:(DE-He78)C070-20160331},
pnm = {313 - Krebsrisikofaktoren und Prävention (POF4-313)},
pid = {G:(DE-HGF)POF4-313},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:35893593},
doi = {10.1161/CIRCRESAHA.122.321253},
url = {https://inrepo02.dkfz.de/record/180812},
}