11-Ketodihydrotestosterone11-酮

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11-Ketodihydrotestosterone

CAS No. : 32694-37-4

MCE 国际站：11-Ketodihydrotestosterone

产品活性：11-Ketodihydrotestosterone (11-KDHT; 5α-Dihydro-11-keto testosterone) 是一种内源性类固醇，是 11β-羟基雄烯二酮的代谢产物。11-Ketodihydrotestosterone 是一种活性雄激素，也是一种有效的雄激素受体 (AR) 激动剂，对人 AR 的 K_i 为 20.4 nM，EC₅₀ 为 1.35 nM。11-Ketodihydrotestosterone 在雄激素依赖性前列腺癌细胞中诱导基因调节，蛋白质表达和细胞生长。

研究领域：Vitamin D Related/Nuclear Receptor

作用靶点：Androgen Receptor

In Vitro: 11-Ketodihydrotestosterone (11-KDHT; 1-10 nM; 24 hours; LNCaP and VCaP cells) treatment induces significant cell proliferation.
11-Ketodihydrotestosterone (11-KDHT; 0.1-10 nM; 7-10 days; LNCaP and VCaP cells) treatment results in the significant upregulation of KLK3, TMPRSS2 and FKBP5 in both LNCaP and VCaP cells, with the exception of KLK3 at 1 nM in LNCaP cells.
In PNT2 cells, only 20% of 11β-hydroxyandrostenedione (11OHA4) and 11β-hydroxytestosterone (11OHT) are metabolised with the former yielding 11keto-androstenedione (11KA4), 11-Ketodihydrotestosterone (11-KDHT) and 11β-hydroxy-5α-androstanedione (11OH-5αDIONE) and the latter yielding 11OHA4, 11KT and 11-Ketodihydrotestosterone with downstream products <0.03 μM.
In prostate cancer tissue, C11-oxy C19 metabolites at significantly higher levels than the C19 steroids are detected, with unconjugated 11-Ketodihydrotestosterone, 11KT and 11OHA4 levels ranging between 13 and 37.5 ng/g. Analyses of total steroid levels in plasma show significant levels of 11OHA4 (≈230-440 nM), 11KT (≈250-390 nM) and 11-Ketodihydrotestosterone (≈19 nM).

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