The role of stem cell niche in intestinal aging

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http://hdl.handle.net/10138/321253

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Pentinmikko , N & Katajisto , P 2020 , ' The role of stem cell niche in intestinal aging ' , Mechanisms of Ageing and Development , vol. 191 , 111330 . https://doi.org/10.1016/j.mad.2020.111330

Title: The role of stem cell niche in intestinal aging
Author: Pentinmikko, Nalle; Katajisto, Pekka
Contributor: University of Helsinki, Helsinki Institute of Life Science HiLIFE, Joint Activities
University of Helsinki, Centre of Excellence in Stem Cell Metabolism
Date: 2020-10
Language: eng
Number of pages: 8
Belongs to series: Mechanisms of Ageing and Development
ISSN: 0047-6374
URI: http://hdl.handle.net/10138/321253
Abstract: Like most tissues, intestine shows multiple alterations during aging. While the main function of nutrient absorption is relatively well maintained, capacity of the intestine to respond to abrupt changes or damage declines with age. The reduction in renewal and regeneration capacity results from alterations in the stem cells that renew the epithelium, and in the complex interactions stem cells have with their microenvironment, or the Niche. This review highlights recent evidence on age-associated changes in the intestinal stem cell function, and focuses on stem cell extrinsic mechanisms. Strategies targeting niche interactions have already shown promise in alleviating problems associated with intestinal aging in animal models, and may provide means to protect the elderly for example from chemotherapy induced gastrointestinal side-effects.
Subject: Stem cell niche
Microenvironment
Aging
Intestine
AGE-RELATED-CHANGES
GUT MICROBIOTA
LATERAL INHIBITION
ELDERLY-PATIENTS
NERVOUS-SYSTEM
WNT
COLON
PERMEABILITY
HOMEOSTASIS
EXPRESSION
1184 Genetics, developmental biology, physiology
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