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Identification of two dihydrodiol dehydrogenases associated with 3(17)alpha-hydroxysteroid dehydrogenase activity in mouse kidney.
J Biochem. 1989 Oct; 106(4):633-8.JB

Abstract

Dihydrodiol dehydrogenase activity was detected in the cytosol of various mouse tissues, among which kidney exhibited high specific activity comparable to the value for liver. The enzyme activity in the kidney cytosol was resolved into one major and three minor peaks by Q-Sepharose chromatography: one minor form cross-reacted immunologically with hepatic 3 alpha-hydroxysteroid dehydrogenase and another with aldehyde reductase. The other minor form was partially purified and the major form was purified to homogeneity. These two forms, although different in their charges, were monomeric proteins with the same molecular weight of 39,000 and had similar catalytic properties. They oxidized cis-benzene dihydrodiol and alicyclic alcohols as well as trans-dihydrodiols of benzene and naphthalene in the presence of NADP+ or NAD+, and reduced several xenobiotic aldehydes and ketones with NAD(P)H as a cofactor. The enzymes also catalyzed the oxidation of 3 alpha-hydroxysteroids and epitestosterone, and the reduction of 3- and 17-ketosteroids, showing much lower Km values (10(-7)-10(-6) M) for the steroids than for the xenobiotic alcohols. The results of mixed substrate experiments, heat stability, and activity staining on polyacrylamide gel electrophoresis suggested that, in the two enzymes, both dihydrodiol dehydrogenase and 3(17)alpha-hydroxysteroid dehydrogenase activities reside on a single enzyme protein. Thus, dihydrodiol dehydrogenase existed in four forms in mouse kidney cytosol, and the two forms distinct from the hepatic enzymes may be identical to 3(17)alpha-hydroxysteroid dehydrogenases.

Authors+Show Affiliations

Department of Biochemistry, Gifu Pharmaceutical University.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

2691507

Citation

Nakagawa, M, et al. "Identification of Two Dihydrodiol Dehydrogenases Associated With 3(17)alpha-hydroxysteroid Dehydrogenase Activity in Mouse Kidney." Journal of Biochemistry, vol. 106, no. 4, 1989, pp. 633-8.
Nakagawa M, Tsukada F, Nakayama T, et al. Identification of two dihydrodiol dehydrogenases associated with 3(17)alpha-hydroxysteroid dehydrogenase activity in mouse kidney. J Biochem. 1989;106(4):633-8.
Nakagawa, M., Tsukada, F., Nakayama, T., Matsuura, K., Hara, A., & Sawada, H. (1989). Identification of two dihydrodiol dehydrogenases associated with 3(17)alpha-hydroxysteroid dehydrogenase activity in mouse kidney. Journal of Biochemistry, 106(4), 633-8.
Nakagawa M, et al. Identification of Two Dihydrodiol Dehydrogenases Associated With 3(17)alpha-hydroxysteroid Dehydrogenase Activity in Mouse Kidney. J Biochem. 1989;106(4):633-8. PubMed PMID: 2691507.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Identification of two dihydrodiol dehydrogenases associated with 3(17)alpha-hydroxysteroid dehydrogenase activity in mouse kidney. AU - Nakagawa,M, AU - Tsukada,F, AU - Nakayama,T, AU - Matsuura,K, AU - Hara,A, AU - Sawada,H, PY - 1989/10/1/pubmed PY - 1989/10/1/medline PY - 1989/10/1/entrez SP - 633 EP - 8 JF - Journal of biochemistry JO - J. Biochem. VL - 106 IS - 4 N2 - Dihydrodiol dehydrogenase activity was detected in the cytosol of various mouse tissues, among which kidney exhibited high specific activity comparable to the value for liver. The enzyme activity in the kidney cytosol was resolved into one major and three minor peaks by Q-Sepharose chromatography: one minor form cross-reacted immunologically with hepatic 3 alpha-hydroxysteroid dehydrogenase and another with aldehyde reductase. The other minor form was partially purified and the major form was purified to homogeneity. These two forms, although different in their charges, were monomeric proteins with the same molecular weight of 39,000 and had similar catalytic properties. They oxidized cis-benzene dihydrodiol and alicyclic alcohols as well as trans-dihydrodiols of benzene and naphthalene in the presence of NADP+ or NAD+, and reduced several xenobiotic aldehydes and ketones with NAD(P)H as a cofactor. The enzymes also catalyzed the oxidation of 3 alpha-hydroxysteroids and epitestosterone, and the reduction of 3- and 17-ketosteroids, showing much lower Km values (10(-7)-10(-6) M) for the steroids than for the xenobiotic alcohols. The results of mixed substrate experiments, heat stability, and activity staining on polyacrylamide gel electrophoresis suggested that, in the two enzymes, both dihydrodiol dehydrogenase and 3(17)alpha-hydroxysteroid dehydrogenase activities reside on a single enzyme protein. Thus, dihydrodiol dehydrogenase existed in four forms in mouse kidney cytosol, and the two forms distinct from the hepatic enzymes may be identical to 3(17)alpha-hydroxysteroid dehydrogenases. SN - 0021-924X UR - https://www.unboundmedicine.com/medline/citation/2691507/Identification_of_two_dihydrodiol_dehydrogenases_associated_with_3_17_alpha_hydroxysteroid_dehydrogenase_activity_in_mouse_kidney_ L2 - https://joi.jlc.jst.go.jp/JST.Journalarchive/biochemistry1922/106.633?lang=en&from=PubMed DB - PRIME DP - Unbound Medicine ER -