WFRF:(Hammarlund Emma U.)
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Hypoxia inducible factor-2 alpha importance for migration, proliferation, and self-renewal of trunk neural crest cells
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- Niklasson, Camilla U. (author)
- Lund University,Lunds universitet,Avdelningen för translationell cancerforskning,Institutionen för laboratoriemedicin,Medicinska fakulteten,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Division of Translational Cancer Research,Department of Laboratory Medicine,Faculty of Medicine,LUCC: Lund University Cancer Centre,Other Strong Research Environments
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- Fredlund, Elina (author)
- Lund University,Lunds universitet,Avdelningen för translationell cancerforskning,Institutionen för laboratoriemedicin,Medicinska fakulteten,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Division of Translational Cancer Research,Department of Laboratory Medicine,Faculty of Medicine,LUCC: Lund University Cancer Centre,Other Strong Research Environments
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- Monni, Emanuela (author)
- Lund University,Lunds universitet,Neurologi, Lund,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Neural stamcellsbiologi och terapi,Forskargrupper vid Lunds universitet,Stem Cells & Restorative Neurology,Neurology, Lund,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine,Neural stem cell biology and therapy,Lund University Research Groups,Skåne University Hospital
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- (creator_code:org_t)
- 2020-09-26
- 2021
- English.
- In: Developmental Dynamics. - : Wiley. - 1058-8388 .- 1097-0177. ; 250:2, s. 191-236
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Background: The neural crest is a transient embryonic stem cell population. Hypoxia inducible factor (HIF)-2 α is associated with neural crest stem cell appearance and aggressiveness in tumors. However, little is known about its role in normal neural crest development.Results: Here, we show that HIF-2 α is expressed in trunk neural crest cells of human, murine, and avian embryos. Knockdown as well as overexpression of HIF-2 α in vivo causes developmental delays, induces proliferation, and self-renewal capacity of neural crest cells while decreasing the proportion of neural crest cells that migrate ventrally to sympathoadrenal sites. Reflecting the in vivo phenotype, transcriptome changes after loss of HIF-2 α reveal enrichment of genes associated with cancer, invasion, epithelial-to-mesenchymal transition, and growth arrest.Conclusions: Taken together, these results suggest that expression levels of HIF-2 α must be strictly controlled during normal trunk neural crest development and that dysregulated levels affects several important features connected to stemness, migration, and development.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
Keyword
- embryogenesis
- HIF-2 alpha
- migration
- neural crest
- stem cells
- trunk neural crest
- embryogenesis
- HIF-2α
- migration
- neural crest
- stem cells
- trunk neural crest
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- ref (subject category)
- art (subject category)
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