NDLI: NADPH-Cytochrome P450 Reductase Is Regulated by All-Trans Retinoic Acid and by 1,25-Dihydroxyvitamin D3 in Human Acute Myeloid Leukemia Cells

Content Provider	PubMed Central
Author	Gocek, Elżbieta Marchwicka, Aleksandra Bujko, Kamila Marcinkowska, Ewa
Editor	Johnson, Rajasingh
Copyright Year	2014
Abstract	Acute myeloid leukemia (AML) cell lines can be driven to differentiate to monocyte-like cells by 1,25- dihydroxyvitamin D3 (1,25D) and to granulocyte-like cells by all-trans-retinoic acid (ATRA). Both compounds activate their specific intracellular receptors, vitamin D receptor (VDR) and retinoic acid receptors (RARs) respectively. Inside the cells 1,25D is degraded to calcitrioic acid by a mitochondrial enzyme CYP24A1, while ATRA is degraded to several polar metabolites by CYP26. NADPH-cytochrome P450 oxidoreductase (POR) is a membrane-bound enzyme required for electron transfer to cytochrome P450 (CYP), vital in the processes of the metabolism of drugs and steroid production in humans. In this paper we report that POR in AML cells, from both cell lines and patients, is upregulated by ATRA and by 1,25D at the level of mRNA and protein. Partial silencing of POR in HL60 cells resulted in augmented differentiation response to 1,25D.
Related Links	http://dx.doi.org/10.1371/journal.pone.0091752
Starting Page	91752
File Format	PDF
ISSN	19326203
e-ISSN	19326203
Journal	PLoS ONE
Issue Number	3
Volume Number	9
Language	English
Publisher	Public Library of Science
Publisher Date	2014-03-01
Access Restriction	Open
Rights Holder	Public Library of Science
Subject Keyword	Biochemistry, Genetics and Molecular Biology(all) Agricultural and Biological Sciences(all) Medicine(all) Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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All-Trans Retinoic Acid Activity in Acute Myeloid Leukemia: Role of Cytochrome P450 Enzyme Expression by the Microenvironment

Differentiation Therapy of Acute Myeloid Leukemia

Lyn, a tyrosine kinase closely linked to the differentiation status of primary acute myeloid leukemia blasts, associates with negative regulation of all-trans retinoic acid (ATRA) and dihydroxyvitamin D3 (VD3)-induced HL-60 cells differentiation

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