L-Buthionine-(S,R)-sulfoximine hydrochloride(Synonyms: L-Buthionine sulfoximine hydrochloride; L-BSO hydrochloride)

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L-Buthionine-(S,R)-sulfoximine hydrochloride (Synonyms: L-Buthionine sulfoximine hydrochloride; L-BSO hydrochloride)

L-Buthionine-(S,R)-sulfoximine hydrochloride 是一种具有细胞渗透性的、有效的、快速起效的、具有口服活性的、不可逆的 G-谷氨酸半胱氨酸合成酶 (γ-glutamylcysteine synthetase) 抑制剂,可降低细胞内谷胱甘肽的水平,其对黑色素瘤、乳腺卵巢癌标本的 IC50 值分别为1.9 μM、8.6 μM 和29 μM。

L-Buthionine-(S,R)-sulfoximine hydrochloride(Synonyms: L-Buthionine sulfoximine hydrochloride; L-BSO hydrochloride)

L-Buthionine-(S,R)-sulfoximine hydrochloride Chemical Structure

规格 价格 是否有货
10 mM * 1 mL in DMSO ¥660 询问价格 & 货期
50 mg ¥600 询问价格 & 货期

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L-Buthionine-(S,R)-sulfoximine hydrochloride 的其他形式现货产品:

DL-Buthionine-(S,R)-sulfoximine L-Buthionine-(S,R)-sulfoximine

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生物活性

L-Buthionine-(S,R)-sulfoximine hydrochloride is a cell-permeable, potent, fast acting, orally active and irreversible inhibitor of g-glutamylcysteine synthetase and depletes cellular glutathione levels. The IC50 value of L-Buthionine-(S,R)-sulfoximine on melanoma, breast and ovarian tumor specimens are 1.9 μM, 8.6 μM, and 29 μM, respectively[1][2].

体外研究
(In Vitro)

L-Buthionine-(S,R)-sulfoximine (BSO: 50 μM) treatment for 48 hr results in a 95% decrease in ZAZ and M14 melanoma cell line GSH levels, and a 60% decrease in GST enzyme activity. GST-π protein and mRNA levels are significantly reduced in both cell lines[1]. L-Buthionine-(S,R)-sulfoximine (BSO) induces oxidative stress in a cell by irreversibly inhibiting g-glutamylcysteine synthetase, an essential enzyme for the synthesis of glutathione (GSH)[2].
L-Buthionine-(S,R)-sulfoximine (BSO) induces ferroptosis in cancer cells[3].

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.

体内研究
(In Vivo)

BSO causes an elevated frequency of DNA deletions during mouse development. BSO treatment reduced GSH concentration in mouse fetuses by 55% and 70% at 2 mM and 20 mM BSO doses, respectively, compared to untreated mice. Co-treatment with 2 mM BSO and 20 mM NAC depleted GSH to a similar extent as 2 mM BSO, consistent with the function of BSO to inhibit the g-GCS enzyme indispensable for GSH synthesis. Like GSH, cysteine levels dropped following BSO treatment[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.

分子量

258.77

Formula

C8H19ClN2O3S

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

4°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

溶解性数据
In Vitro: 

DMSO : 250 mg/mL (966.11 mM; Need ultrasonic)

H2O : 100 mg/mL (386.44 mM; Need ultrasonic)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 3.8644 mL 19.3222 mL 38.6444 mL
5 mM 0.7729 mL 3.8644 mL 7.7289 mL
10 mM 0.3864 mL 1.9322 mL 3.8644 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 (sealed storage, away from moisture)。-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: ≥ 2.08 mg/mL (8.04 mM); Clear solution

    此方案可获得 ≥ 2.08 mg/mL (8.04 mM,饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例,取 100 μL 20.8 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。

    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% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: ≥ 2.08 mg/mL (8.04 mM); Clear solution

    此方案可获得 ≥ 2.08 mg/mL (8.04 mM,饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例,取 100 μL 20.8 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。

    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% DMSO    90% corn oil

    Solubility: ≥ 2.08 mg/mL (8.04 mM); Clear solution

    此方案可获得 ≥ 2.08 mg/mL (8.04 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 20.8 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中,混合均匀。

*以上所有助溶剂都可在 上海金畔生物科技有限公司 网站选购。
参考文献
  • [1]. Fruehauf JP, et al. Selective and synergistic activity of L-S,R-buthionine sulfoximine on malignant melanoma is accompanied by decreased expression of glutathione-S-transferase. Pigment Cell Res. 1997 Aug;10(4):236-49.

    [2]. Reliene R, et al. Glutathione depletion by buthionine sulfoximine induces DNA deletions in mice. Carcinogenesis. 2006 Feb;27(2):240-4.

    [3]. Satoru Nishizawa, et al. Low tumor glutathione level as a sensitivity marker for glutamate-cysteine ligase inhibitors. Oncol Lett. 2018 Jun;15(6):8735-8743.

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