11 citations
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June 1979 in “British Journal of Dermatology” This study found that the dehydroepiandrosterone hydroxylating enzyme system in hair follicles is similar to the liver monooxygenase system, sharing characteristics such as inhibition by carbon monoxide and dependency on NADPH.
12 citations
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February 2023 in “Applied and Environmental Microbiology” This study reported that structure-guided engineering of CYP154C2 mutants significantly improved the 2α-hydroxylation of androstenedione and testosterone, with enhanced conversion efficiency and substrate selectivity compared to the wild-type enzyme.
13 citations
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January 2013 in “Applied and Environmental Microbiology” This study found that regio-specific hydroxylation of cyclosporine A in Sebekia benihana is mediated by the cytochrome P450 hydroxylase CYP-sb21, suggesting potential biotechnological applications for hair growth promotion without immunosuppressive effects.
4 citations
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October 2024 in “Heliyon” This study characterized the CYP154C7 enzyme from *Streptomyces* sp. PAMC26508, highlighting its ability to hydroxylate steroids efficiently, particularly androstenedione, and identified key amino acids important for substrate selectivity and catalytic efficiency.
3 citations
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July 2020 in “Synthetic and Systems Biotechnology” This study found that the cytochrome P450 enzyme CYP-sb21 can hydroxylate cyclosporine A at multiple positions, reducing its immunosuppressive effects but retaining its hair growth-promoting side-effect, and suggests modifications to improve regioselectivity for commercial use.