27-Hydroxycholesterol is a selective estrogen receptor modulator and an agonist of the liver X receptor.

27-Hydroxycholesterol is an endogenous selective estrogen receptor modulator that displays significant partial agonist activity in a variety of cellular models of estrogen receptor action. It positively regulates both gene transcription and cell proliferation in cellular models of breast cancer^[1]. 27-Hydroxycholesterol, through estrogen receptor activation, triggers deleterious effect in prostate cancer cell lines. 27-Hydroxycholesterol significantly increases cell proliferation of LNCaP and PC3 cells and this effect can be attenuated by estrogen receptor inhibitors^[2]. 27-Hydroxycholesterol is an oxysterol produced from cholesterol by the monooxygenase CYP27A1, which regulates intracellular cholesterol homeostasis. 27-Hydroxycholesterol also acts as an endogenous selective estrogen receptor modulator capable of increasing breast cancer growth and metastasis. 27-Hydroxycholesterol levels can be modulated by statins or direct inhibition of CYP27A1, thereby attenuating its pro-tumorigenic activities^[3]. 27-hydroxylation of cholesterol is an important pathway for LXR activation in response to cholesterol overload^[4].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

402.65

C₂₇H₄₆O₂

20380-11-4

27-羟基胆固醇

Room temperature in continental US; may vary elsewhere.

Powder	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

In Vitro: 

Ethanol : 16.67 mg/mL (41.40 mM; Need ultrasonic)

DMSO : 1 mg/mL (2.48 mM; Need ultrasonic)

*

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% EtOH    40% PEG300    5% Tween-80    45% saline

  Solubility: 1 mg/mL (2.48 mM); Suspended solution; Need ultrasonic

  此方案可获得 1 mg/mL (2.48 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 10.0 mg/mL 的澄清 EtOH 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。

  将 0.9 g 氯化钠，完全溶解于 100 mL ddH₂O 中，得到澄清透明的生理盐水溶液

• 2.

  请依序添加每种溶剂： 10% EtOH    90% (20% SBE-β-CD in saline)

  Solubility: ≥ 1 mg/mL (2.48 mM); Clear solution

  此方案可获得 ≥ 1 mg/mL (2.48 mM，饱和度未知) 的澄清溶液。

  以 1 mL 工作液为例，取 100 μL 10.0 mg/mL 的澄清 EtOH 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液中，混合均匀。

  将 2 g 磺丁基醚 β-环糊精加入 5 mL 生理盐水中，再用生理盐水定容至 10 mL，完全溶解，澄清透明
• 3.

  请依序添加每种溶剂： 10% EtOH    90% corn oil

  Solubility: ≥ 1 mg/mL (2.48 mM); Clear solution

  此方案可获得 ≥ 1 mg/mL (2.48 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 10.0 mg/mL 的澄清 EtOH 储备液加到 900 μL玉米油中，混合均匀。

• 4.

  请依序添加每种溶剂： 10% EtOH    90% corn oil

  Solubility: ≥ 1 mg/mL (2.48 mM); Clear solution

  此方案可获得 ≥ 1 mg/mL (2.48 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 10.0 mg/mL 的澄清 EtOH 储备液加到 900 μL玉米油中，混合均匀。

• [1]. DuSell CD, et al. 27-hydroxycholesterol is an endogenous selective estrogen receptor modulator. Mol Endocrinol. 2008 Jan;22(1):65-77.

  [2]. Raza S, et al. The cholesterol metabolite 27-hydroxycholesterol stimulates cell proliferation via ERβ in prostate cancer cells. Cancer Cell Int. 2017 May 11;17:52.

  [3]. Kimbung S, et al. Impact of 27-hydroxylase (CYP27A1) and 27-hydroxycholesterol in breast cancer. Endocr Relat Cancer. 2017 Jul;24(7):339-349.

  [4]. Fu X, et al. 27-hydroxycholesterol is an endogenous ligand for liver X receptor in cholesterol-loaded cells. J Biol Chem. 2001 Oct 19;276(42):38378-87.

Stock solutions of 27-Hydroxycholesterol are prepared in 100% ethanol and stored at −80°C. 27-Hydroxycholesterol stock solution is dissolved in appropriate volumes of media to prepare the working solutions of 1 μM.

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

Proliferation assays are conducted on black 96 well plates using a commercial kit which quantifies cell number using DNA content and membrane integrity. LNCaP and PC3 cells are treated with 1 µM 27-Hydroxycholesterol for 48 hours^[2].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

• [1]. DuSell CD, et al. 27-hydroxycholesterol is an endogenous selective estrogen receptor modulator. Mol Endocrinol. 2008 Jan;22(1):65-77.

  [2]. Raza S, et al. The cholesterol metabolite 27-hydroxycholesterol stimulates cell proliferation via ERβ in prostate cancer cells. Cancer Cell Int. 2017 May 11;17:52.

  [3]. Kimbung S, et al. Impact of 27-hydroxylase (CYP27A1) and 27-hydroxycholesterol in breast cancer. Endocr Relat Cancer. 2017 Jul;24(7):339-349.

  [4]. Fu X, et al. 27-hydroxycholesterol is an endogenous ligand for liver X receptor in cholesterol-loaded cells. J Biol Chem. 2001 Oct 19;276(42):38378-87.