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Developmentally reg...
Developmentally regulated collagen/integrin interactions confer adhesive properties to early postnatal neural stem cells
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- Bergström, Tobias (författare)
- Uppsala universitet,Cancer och vaskulärbiologi,Science for Life Laboratory, SciLifeLab
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Holmqvist, Karin (författare)
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- Tararuk, Tatsiana (författare)
- Uppsala universitet,Cancer och vaskulärbiologi,Science for Life Laboratory, SciLifeLab
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- Johansson, Staffan (författare)
- Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi,Staffan Johansson
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- Forsberg-Nilsson, Karin (författare)
- Uppsala universitet,Cancer och vaskulärbiologi,Science for Life Laboratory, SciLifeLab
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(creator_code:org_t)
- Elsevier BV, 2014
- 2014
- Engelska.
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Ingår i: Biochimica et Biophysica Acta - General Subjects. - : Elsevier BV. - 0304-4165 .- 1872-8006. ; 1840:8, s. 2526-2532
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Background:It is becoming increasingly apparent that the extracellular matrix acts as an important regulator of the neural stem niche. Previously we found that neural stem and progenitor cells (NSPCs) derived from the early postnatal subventricular zone of mice adhere to a collagen/hyaluronan hydrogel, whereas NSPCs from the adult and embryonic brain do not.Methods:To examine the specific adhesive properties of young stem cells in more detail, NSPCs isolated from embryonic, postnatal day 6 (P6), and adult mouse brains were cultured on collagen I.Results:Early postnatal NSPCs formed paxillin-positive focal adhesions on collagen I, and these adhesions could be prevented by an antibody that blocked integrin beta 1. Furthermore, we found the corresponding integrin alpha subunits alpha 2 and alpha 11 levels to be highest at the postnatal stage. Gene ontology analysis of differentially expressed genes showed higher expression of transcripts involved in vasculature development and morphogenesis in P6 stem cells, compared to adult.Conclusions:The ability to interact with the extracellular matrix differs between postnatal and adult NSPCs.General significance:Our observations that the specific adhesive properties of early postnatal NSPCs, which are lost in the adult brain, can be ascribed to the integrin subunits expressed by the former furthering our understanding of the developing neurogenic niche. This article is part of a Special Issue entitled Matrix-mediated cell behaviour and properties.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
Nyckelord
- Cell adhesion
- Integrin beta1
- Integrin alpha
- Neurovascular niche
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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