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Int J Stem Cells. 2019 Mar 30;12(1):8-20. doi: 10.15283/ijsc18109.

Role of HIF1α Regulatory Factors in Stem Cells.

Author information

1
Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 PLUS Program for Creative Veterinary Science Research, Seoul National Universit.

Abstract

Hypoxia-inducible factor 1 (HIF1) is a master transcription factor that induces the transcription of genes involved in the metabolism and behavior of stem cells. HIF1-mediated adaptation to hypoxia is required to maintain the pluripotency and survival of stem cells under hypoxic conditions. HIF1 activity is well known to be tightly controlled by the alpha subunit of HIF1 (HIF1α). Understanding the regulatory mechanisms that control HIF1 activity in stem cells will provide novel insights into stem cell biology under hypoxia. Recent research has unraveled the mechanistic details of HIF1α regulating processes, suggesting new strategies for regulating stem cells. This review summarizes recent experimental studies on the role of several regulatory factors (including calcium, 2-oxoglutarate-dependent dioxygenase, microtubule network, importin, and coactivators) in regulating HIF1α activity in stem cells.

KEYWORDS:

2-Oxoglutrate-dependent dioxygenase (2OGDD); Calcium; Hypoxia-inducible factor 1 alpha (HIF1α); Importin; Microtubule; Stem cells

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