Publication:
The cellular homeostasis of the gut: what the Drosophila model points out

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Pasco-30-277-292-2015.pdf(3.34 MB)
Date
2015
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Authors
Pasco, Matthieu Y. ; Loudhaief, Rihab ; Gallet, Armel
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Publisher
F. Hernández y Juan F. Madrid. Universidad de Murcia: Departamento de Biología Celular e Histología
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DOI
http:/doi.org/10.14670/HH-30.277
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info:eu-repo/semantics/article
Description
Abstract
The digestive tract is subjected to many aggressions throughout animal life. Since disruptions of gut physiology impact on animal fitness and survival, maintenance of gut integrity and functionality is essential for the individual. Over the last 40 years, research on rodents has aimed at understanding how cellular homeostasis of the digestive tract is maintained when challenged with disruptions. Following the discovery of stem cells in the digestive tract of Drosophila, a flurry of studies made an important contribution to our understanding of how the proliferation and the differentiation of these cells are controlled and participate in the renewal of the digestive tract. Insights into these mechanisms in Drosophila have revealed many similarities with mammalian intestinal stem cells. For instance, the highly conserved EGFR, JAK/STAT, Wingless/Wnt, Hedgehog, Integrins, BMP/TGFβ, Hippo and Insulin pathways all participate in adult intestinal cellular homeostasis. Here, we provide a literature review of recent advances in the field highlighting the adult Drosophila midgut as a convenient model for dissecting mechanisms involved in the maintenance of the cellular homeostasis of the digestive tract in conventionally reared conditions. In addition, we shed light on recently published data putting Drosophila forward as a genetic tool to decipher the mechanisms underlying intestinal diseases and intestinal tumour progression.
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Intestinal homeostasis , Stem cell maintenance , Symmetric and asymmetric division , Intestinal diseases
Citation
Histology and Histopathology, Vol. 30, n.º 3 (2015)
URI
http://hdl.handle.net/10201/88078
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Histology and histopathology Vol.30, nº3 (2015)
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