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Prospective teratology of retinoic acid metabolic blocking agents (RAMBAs) and loss of CYP26 activity

McCaffery, P. and Simons, Claire 2007. Prospective teratology of retinoic acid metabolic blocking agents (RAMBAs) and loss of CYP26 activity. Current Pharmaceutical Design 13 (29) , pp. 3020-3037. 10.2174/138161207782110534

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All-trans retinoic acid (atRA) is the transcriptionally active product of vitamin A and induces gene expression via specific receptors at nM concentrations. Essential enzymes that regulate the local levels of atRA are the CYP26 members of the cytochrome P450 family, which catabolize atRA. Compounds that have been designed to inhibit these enzymes are known as Retinoic Acid Metabolic Blocking Agents (RAMBAs). Treatment with these compounds will raise endogenous atRA levels and may be therapeutic for the treatment of diseases that respond to high atRA concentrations, including several types of cancer as well as skin conditions such as psoriasis and acne. This review describes the mechanism of action of the RAMBAs and discusses the potential side effects of these compounds. atRA is highly teratogenic and the potential teratogenicity of the RAMBAs is described by comparison with the abnormalities resulting from null mutation of individual CYP26 genes. The possible effects of RAMBAs on the adult brain are also described that have the potential for harm but, in the right circumstances, may also be beneficial.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Pharmacy
Subjects: R Medicine > RS Pharmacy and materia medica
Uncontrolled Keywords: Retinoic acid; CYP26; catabolism; caudal regression; limb defect; neurogenesis; hippocampus
Publisher: Bentham Science
ISSN: 1381-6128
Last Modified: 04 Jun 2017 01:57

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