| Literature DB >> 24383846 |
Sita R Dewamitta1, Chacko Joseph, Louise E Purton, Carl R Walkley.
Abstract
Vitamin A and its derivatives (retinoids) are important regulators of haematopoiesis, acting via retinoic acid receptors (RARs). Epidemiological studies indicated an association of vitamin A deficiency with anaemia in humans. To define the requirements of RARs in erythropoiesis, we evaluated erythroid parameters in RAR germ-line deficient and conditional knock out mice with erythroid specific deletion of RARs. Adult RARγ(-/-) mice were anaemic, however, Epor-Cre Rara(fl/fl) , Epor-Cre Rarg(fl/fl) and Epor-Cre Rara(fl/fl) g(fl/fl) mice were normal, indicating a lack of an erythroid intrinsic RAR function. Therefore, erythroid-specific RAR function is dispensable for erythropoiesis and RARγ plays an erythroid extrinsic role in erythropoiesis.Entities:
Keywords: anaemia; erythroid development; experimental haematology; retinoic acid; vitamin A
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Year: 2013 PMID: 24383846 DOI: 10.1111/bjh.12578
Source DB: PubMed Journal: Br J Haematol ISSN: 0007-1048 Impact factor: 6.998