An emerging role for retinoid X receptor α in malignant hematopoiesis.
The retinoid X receptor alpha is the obligatory heterodimerization partner for a range of nuclear hormone receptors, and is required for signaling through the pathways mediated by those receptors. While RXR alpha has critical roles in embryonic development, it appears to be dispensable in adult hematopoiesis. Strikingly, recent evidence has indicated that proper functioning of RXR alpha is necessary for the pathogenesis of acute promyelocytic leukemia (APL), suggesting a novel avenue that can be exploited in the management and treatment of this disease. In this review we highlight recent studies that clarify the role of RXR alpha in normal and malignant hematopoiesis.
Princess Margaret Hospital/the Ontario Cancer Institute, University Health Network, Toronto, ON, Canada.
Mariam
M
Thomas
Mahadeo A
MA
Sukhai
Suzanne
S
Kamel-Reid
D000328:Adult; D000818:Animals; D015972:Gene Expression Regulation, Neoplastic / Q000235:genetics; D019337:Hematologic Neoplasms / Q000235:genetics*; D006405:Hematology / Q000639:trends; D006410:Hematopoiesis / Q000235:genetics* / Q000502:physiology; D006801:Humans; D018168:Receptors, Retinoic Acid / Q000235:genetics / Q000378:metabolism / Q000502:physiology; D047490:Retinoid X Receptor alpha / Q000235:genetics / Q000378:metabolism / Q000502:physiology*; D015398:Signal Transduction / Q000235:genetics / Q000502:physiology
D018168:Receptors, Retinoic Acid; D047490:Retinoid X Receptor alpha