Aldo-keto reductase family 1 member C3 (AKR1C3), also known as 17β-hydroxysteroid dehydrogenase type 5 (17β-HSD5, HSD17B5) or 3α-hydroxysteroid dehydrogenase type 2 (3α-HSD2)[5][6][7] is a steroidogenic enzyme that in humans is encoded by the AKR1C3 gene.[8][9][10]
AKR1C3 | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Identifiers | |||||||||||||||||||||||||||||||||||||||||||||||||||
Aliases | AKR1C3, DD3, DDX, HA1753, HAKRB, HAKRe, HSD17B5, PGFS, hluPGFS, aldo-keto reductase family 1, member C3, aldo-keto reductase family 1 member C3 | ||||||||||||||||||||||||||||||||||||||||||||||||||
External IDs | OMIM: 603966 MGI: 2145420 HomoloGene: 128661 GeneCards: AKR1C3 | ||||||||||||||||||||||||||||||||||||||||||||||||||
EC number | 1.3.1.20 | ||||||||||||||||||||||||||||||||||||||||||||||||||
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This gene encodes a member of the aldo/keto reductase superfamily, which consists of more than 40 known enzymes and proteins. These enzymes catalyze the conversion of aldehydes and ketones to their corresponding alcohols by utilizing NADH and/or NADPH as cofactors. The enzymes display overlapping but distinct substrate specificity. This enzyme catalyzes the reduction of prostaglandin D2, prostaglandin H2, and phenanthrenequinone, and the oxidation of prostaglandin F2α to prostaglandin D2.[10] It is also capable of metabolizing estrogen and progesterone.[11]
AKR1C3 may play an important role in the development of allergic diseases such as asthma, and may also have a role in controlling cell growth and/or differentiation. This gene shares high sequence identity with three other gene members and is clustered with those three genes at chromosome 10p15-p14.[10]
AKR1C3 is overexpressed in prostate cancer (PCa) and is associated with the development of castration-resistant prostate cancer (CRPC). In addition, AKR1C3 overexpression may serve as a promising biomarker for prostate cancer progression.[12]
HGNC Gene Symbol | Enzyme Name Aliases[13] |
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AKR1C1 | aldo-keto reductase family 1 member C1; 20α-hydroxysteroid dehydrogenase |
AKR1C2 | aldo-keto reductase family 1 member C2; 3α-hydroxysteroid dehydrogenase type 3 |
AKR1C3 | aldo-keto reductase family 1 member C3; 3α-hydroxysteroid dehydrogenase type 2; 17β-hydroxysteroid dehydrogenase type 5; HSD17B5 |
AKR1C4 | aldo-keto reductase family 1 member C4; 3α-hydroxysteroid dehydrogenase type 1 |
human types 1 and 3 3α-HSD, 20α-HSD, and type 5 17β-HSD were named AKR1C4, AKR1C2, AKR1C1, and AKR1C3, respectively