11-Ketodihydrotestosterone - CAS:32694-37-4

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11-Ketodihydrotestosterone (Synonyms:11-KDHT; 5α-Dihydro-11-keto testosterone)

目录号 : KM4152 CAS No. : 32694-37-4 纯度 : 98%

Data Sheet 产品使用指南

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。

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生物活性

11-Ketodihydrotestosterone (11-KDHT; 5α-Dihydro-11-keto testosterone) is an endogenous steroid and a metabolite of 11β-Hydroxyandrostenedione. 11-Ketodihydrotestosterone is an active androgen and is also a potent androgen receptor (AR) agonist with a K_i of 20.4 nM and an EC₅₀ of 1.35 nM for human AR. 11-Ketodihydrotestosterone drives gene regulation, protein expression and cell growth in androgen-dependent prostate cancer cells.

体外研究

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).

Cell Proliferation Assay

Cell Line:	LNCaP and VCaP cells
Concentration:	0.1 nM, 1 nM or 10 nM
Incubation Time:	7 days (LNCaP cells) or 10 days (VCaP cells)
Result:	Induced significant cell proliferation.

RT-PCR

Cell Line:	LNCaP and VCaP cells
Concentration:	1 nM, 10 nM
Incubation Time:	24 hours
Result:	Resulted in the significant upregulation of KLK3, TMPRSS2 and FKBP5 in both LNCaP (Fig 3) and VCaP (Fig 4) cells.

分子式

C₁₉O₃H₂₈

分子量

304.42

CAS号

32694-37-4

中文名称

11-酮二氢睾酮

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

Powder	-20°C	3 years
In solvent	-80°C	6 months
	-20°C	1 month

溶解性数据

In Vitro:

DMSO : 100 mg/mL (328.49 mM; Need ultrasonic)

配制储备液

浓度溶剂体积质量	1 mg	5 mg	10 mg

1 mM	3.2849 mL	16.4247 mL	32.8493 mL
5 mM	0.6570 mL	3.2849 mL	6.5699 mL
10 mM	0.3285 mL	1.6425 mL	3.2849 mL

请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。
储备液的保存方式和期限：-80°C, 6 months; -20°C, 1 month。-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。

In Vivo:

请根据您的实验动物和给药方式选择适当的溶解方案。以下溶解方案都请先按照 In Vitro 方式配制澄清的储备液，再依次添加助溶剂：

——为保证实验结果的可靠性，澄清的储备液可以根据储存条件，适当保存；体内实验的工作液，建议您现用现配，当天使用；以下溶剂前显示的百
分比是指该溶剂在您配制终溶液中的体积占比；如在配制过程中出现沉淀、析出现象，可以通过加热和/或超声的方式助溶

1.

请依序添加每种溶剂： 10% DMSO 40% PEG300 5% Tween-80 45% saline
Solubility: ≥ 2.5 mg/mL (8.21 mM); Clear solution

此方案可获得 ≥ 2.5 mg/mL (8.21 mM，饱和度未知) 的澄清溶液。
以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀；向上述体系中加入50 μL Tween-80，混合均匀；然后继续加入 450 μL生理盐水定容至 1 mL。
2.

请依序添加每种溶剂： 10% DMSO 90% (20% SBE-β-CD in saline)
Solubility: 2.5 mg/mL (8.21 mM); Suspended solution; Need ultrasonic

此方案可获得 2.5 mg/mL (8.21 mM) 的均匀悬浊液，悬浊液可用于口服和腹腔注射。
以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液中，混合均匀。
3.

请依序添加每种溶剂： 10% DMSO 90% corn oil
Solubility: ≥ 2.5 mg/mL (8.21 mM); Clear solution

此方案可获得 ≥ 2.5 mg/mL (8.21 mM，饱和度未知) 的澄清溶液，此方案不适用于实验周期在半个月以上的实验。
以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中，混合均匀。