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Fischer, F.* ; Romero, R.* ; Hellhund, A.* ; Linne, U.* ; Bertrams, W.* ; Pinkenburg, O.* ; Eldin, H.S.* ; Binder, K.* ; Jacob, R.* ; Walker, A. ; Stecher, B.* ; Basic, M.* ; Luu, M.* ; Mahdavi, R.* ; Heintz-Buschart, A.* ; Visekruna, A.* ; Steinhoff, U.*

Dietary cellulose induces anti-inflammatory immunity and transcriptional programs via maturation of the intestinal microbiota.

Gut Microbes 12, 1-17 (2020)
Verlagsversion Forschungsdaten DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Although it is generally accepted that dietary fiber is health promoting, the underlying immunological and molecular mechanisms are not well defined, especially with respect to cellulose, the most ubiquitous dietary fiber. Here, the impact of dietary cellulose on intestinal microbiota, immune responses and gene expression in health and disease was examined. Lack of dietary cellulose disrupted the age-related diversification of the intestinal microbiota, which subsequently remained in an immature state. Interestingly, one of the most affected microbial genera was Alistipes which is equipped with enzymes to degrade cellulose. Absence of cellulose changed the microbial metabolome, skewed intestinal immune responses toward inflammation, altered the gene expression of intestinal epithelial cells and mice showed increased sensitivity to colitis induction. In contrast, mice with a defined microbiota including A. finegoldii showed enhanced colonic expression of intestinal IL-22 and Reg3 gamma restoring intestinal barrier function. This study supports the epidemiological observations and adds a causal explanation for the health promoting effects of the most common biopolymer on earth.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Cellulose ; Insoluble Fiber ; Microbiota Maturation ; Microbial Diversity ; Bile Acids ; Mucosal Homeostasis ; Inflammation ; Alistipes ; Reg3γ ; Il-22; Gut; Inflammation; Bacteria; Health; Host; Microflora; Succession; Nutrition; Dysbiosis; Profiles
Sprache englisch
Veröffentlichungsjahr 2020
HGF-Berichtsjahr 2020
ISSN (print) / ISBN 1949-0976
e-ISSN 1949-0984
Zeitschrift Gut Microbes
Quellenangaben Band: 12, Heft: 1, Seiten: 1-17 Artikelnummer: , Supplement: ,
Verlag Landes Bioscience
Verlagsort 530 Walnut Street, Ste 850, Philadelphia, Pa 19106 Usa
Begutachtungsstatus Peer reviewed
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504800-001
Förderungen LOEWE Center DRUID
DFG
von Behring Rontgen Stiftung
Jurgen Manchot Stiftung
Scopus ID 85093071775
PubMed ID 33079623
Erfassungsdatum 2020-11-26