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UT-34

CAS No. : 2168525-92-4

MCE 站：UT-34

产品活性：UT-34 是一种有效的，选择性的，具有口服活性的第二代泛雄激素受体 (AR) 拮抗剂和降解剂，对野生型 AR，F876L-AR 和 W741L-AR 的 IC₅₀ 分别为 211.7 nM，262.4 nM 和 215.7 nM。UT-34 与配体结合结构域 (LBD) 和功能 1 (AF-1) 结构域结合，并需要泛素蛋白酶体途径来降解 AR。UT-34 具有抗前列腺癌的功效。

研究领域：Others

作用靶点：Androgen Receptor

In Vitro: UT-34 (3-10 ?M; 24 hours; LNCaP cells) treatment inhibits the expression of PSA and FKBP5 and growth of LNCaP cells starting from 100 nM with maximum effect observed at 10 μM.
UT-34 (0.1-10 ?M; 24 hours; LNCaP cells) treatment results in a reduction of AR levels at 1000 nM in LNCaP cells.
Treatment of ZR-75-1 cells maintained in serum-containing growth medium with UT-34 results in downregulation of AR protein levels, but not estrogen receptor (ER) or progesterone receptor (PR) levels. Furthermore, in MDA-MB-453 breast cancer cells that express AR and glucocorticoid receptor (GR), UT-34 induces the downregulation of AR, but not GR.
UT-34 is an effective degrader of both AR and AR-V7. LNCaP-ARV7 cells are treated for 24 hours in the presence of 0.1 nM R1881 or 10 ng/mL Doxycycline. Doxycycline induces the expression of EDN2, which is inhibited by UT-34, while UT-34 inhibits the expression of R1881-induced FKBP5 gene expression.

In Vivo: UT-34 (20-40 mg/kg; oral administration; daily; for 14 days; NSG mice) at 20 and 40 mg/kg reduces the seminal vesicle weight by 10%-20% and 50%-60 %, respectively.
UT-34 inhibits androgen-dependent tissues such as prostate and seminal vesicles in rats, and the growth of Enzalutamide-resistant castration-resistant prostate cancer (CRPC) xenografts. UT-34 also induces tumor regression in intact immunocompromised rats.

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