What is the role of hypoxia-inducible factor 1 alpha (HIF-1α) in the regulation of hematopoietic stem cell function?
A
It promotes the differentiation of hematopoietic stem cells into mature blood cells
B
It inhibits the proliferation of hematopoietic stem cells
C
It maintains the quiescence of hematopoietic stem cells
✓
D
It regulates the migration of hematopoietic stem cells to the bone marrow niche
Explanation
HIF-1α is a transcription factor that plays a crucial role in maintaining the quiescence of hematopoietic stem cells, which is essential for their long-term self-renewal and maintenance.
Source
Nature Reviews Immunology
Hematology
Hematology: Hematopoiesis
Hematology: Hematopoiesis
Hard
MEDICAL
Confidence: high