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The miR-181 family ...
The miR-181 family regulates colonic inflammation through its activity in the intestinal epithelium
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Jimenez, MT (författare)
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Clark, ML (författare)
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Wright, JM (författare)
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Michieletto, MF (författare)
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Liu, SY (författare)
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Erickson, I (författare)
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Dohnalova, L (författare)
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Uhr, GT (författare)
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Tello-Cajiao, J (författare)
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Joannas, L (författare)
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Williams, A (författare)
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Gagliani, N (författare)
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Bewtra, M (författare)
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Tomov, VT (författare)
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Thaiss, CA (författare)
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Henao-Mejia, J (författare)
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- 2022-09-08
- 2022
- Engelska.
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Ingår i: The Journal of experimental medicine. - : Rockefeller University Press. - 1540-9538 .- 0022-1007. ; 219:12
- Relaterad länk:
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http://kipublication...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The intestinal epithelium is a key physical interface that integrates dietary and microbial signals to regulate nutrient uptake and mucosal immune cell function. The transcriptional programs that regulate intestinal epithelial cell (IEC) quiescence, proliferation, and differentiation have been well characterized. However, how gene expression networks critical for IECs are posttranscriptionally regulated during homeostasis or inflammatory disease remains poorly understood. Herein, we show that a conserved family of microRNAs, miR-181, is significantly downregulated in IECs from patients with inflammatory bowel disease and mice with chemical-induced colitis. Strikingly, we showed that miR-181 expression within IECs, but not the hematopoietic system, is required for protection against severe colonic inflammation in response to epithelial injury in mice. Mechanistically, we showed that miR-181 expression increases the proliferative capacity of IECs, likely through the regulation of Wnt signaling, independently of the gut microbiota composition. As epithelial reconstitution is crucial to restore intestinal homeostasis after injury, the miR-181 family represents a potential therapeutic target against severe intestinal inflammation.
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Jimenez, MT
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Clark, ML
-
Wright, JM
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Michieletto, MF
-
Liu, SY
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Erickson, I
-
visa fler...
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Dohnalova, L
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Uhr, GT
-
Tello-Cajiao, J
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Joannas, L
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Williams, A
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Gagliani, N
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Bewtra, M
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Tomov, VT
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Thaiss, CA
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Henao-Mejia, J
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visa färre...
- Artiklar i publikationen
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The Journal of e ...
- Av lärosätet
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Karolinska Institutet