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Injury and stress responses of adult neural crest-derived cells


Parfejevs, Vadims; Antunes, Ana T; Sommer, Lukas (2018). Injury and stress responses of adult neural crest-derived cells. Developmental Biology, 444:S356-S365.

Abstract

Multipotent neural crest cells can self-renew and give rise to a plethora of neural and non-neural cell types in the vertebrate embryo. Intriguingly, cells reminiscent of such neural crest stem cells (NCSCs) have also been isolated from various postnatal and adult neural crest (NC)-derived structures. However, it has been debated whether NCSC-like cells in the adult correspond to ‘in vitro artefacts’ emerging upon isolation or fulfil a physiological role in vivo. Here, we discuss recent findings indicating that in different adult NC derivatives, injury or stress responses induce a NCSC-like state, presumably by reprogramming differentiated cells such as Schwann cells. Thereby, injury or stress appear to endow NC-derived cells with the capacity to generate new cell types during the repair process; in addition, injury can activate a repair program in adult NC-derived cells, which promotes tissue repair or regeneration by paracrine signalling. Thus, there is increasing evidence that NCSC-like cells in NC derivatives represent an in vivo state implicated in distinct physiological functions in the adult organism.

Abstract

Multipotent neural crest cells can self-renew and give rise to a plethora of neural and non-neural cell types in the vertebrate embryo. Intriguingly, cells reminiscent of such neural crest stem cells (NCSCs) have also been isolated from various postnatal and adult neural crest (NC)-derived structures. However, it has been debated whether NCSC-like cells in the adult correspond to ‘in vitro artefacts’ emerging upon isolation or fulfil a physiological role in vivo. Here, we discuss recent findings indicating that in different adult NC derivatives, injury or stress responses induce a NCSC-like state, presumably by reprogramming differentiated cells such as Schwann cells. Thereby, injury or stress appear to endow NC-derived cells with the capacity to generate new cell types during the repair process; in addition, injury can activate a repair program in adult NC-derived cells, which promotes tissue repair or regeneration by paracrine signalling. Thus, there is increasing evidence that NCSC-like cells in NC derivatives represent an in vivo state implicated in distinct physiological functions in the adult organism.

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Additional indexing

Item Type:Journal Article, refereed, further contribution
Communities & Collections:04 Faculty of Medicine > Institute of Anatomy
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:1 December 2018
Deposited On:06 Aug 2018 14:24
Last Modified:24 Sep 2019 23:33
Publisher:Elsevier
ISSN:0012-1606
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1016/j.ydbio.2018.05.011
PubMed ID:29778801

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