标签归档：selenomethionine

Selenomethionine(Synonyms: 硒代蛋氨酸; Seleno-DL-methionine; DL-Selenomethionine)

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Selenomethionine (Synonyms: 硒代蛋氨酸; Seleno-DL-methionine; DL-Selenomethionine) 纯度: ≥98.0%

Selenomethionine是一种天然存在的含有硒的氨基酸, 是一种常见的天然食物来源。

Selenomethionine(Synonyms: 硒代蛋氨酸; Seleno-DL-methionine; DL-Selenomethionine)

Selenomethionine Chemical Structure

CAS No. : 1464-42-2

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生物活性

Selenomethionine is a naturally occurring amino acid containing selenium, is a common natural food source of selenium.

IC50 & Target

Human Endogenous Metabolite

 

Clinical Trial

分子量

196.11

Formula

C5H11NO2Se
CAS 号

1464-42-2
中文名称

硒代蛋氨酸；DL-硒代蛋氨酸；DL-硒代甲硫氨酸
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
溶解性数据
In Vitro: 

H2O : 12.5 mg/mL (63.74 mM; Need ultrasonic)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 5.0992 mL 25.4959 mL 50.9918 mL
5 mM 1.0198 mL 5.0992 mL 10.1984 mL
10 mM 0.5099 mL 2.5496 mL 5.0992 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。

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L-SelenoMethionine(Synonyms: L-硒代蛋氨酸)

发表于由

上海金畔生物科技有限公司为生命科学和医药研发人员提供生物活性分子抑制剂、激动剂、特异性抑制剂、化合物库、重组蛋白，专注于信号通路和疾病研究领域。

L-SelenoMethionine (Synonyms: L-硒代蛋氨酸) 纯度: 99.84%

L-SelenoMethionine 是 Selenomethionine 的 L-异构体，是硒的主要天然食物形式。L-SelenoMethionine 是一种癌症化学预防剂，可以通过饮食补充降低癌症的发生率并诱导癌细胞凋亡。L-SelenoMethionine 还可以增加谷胱甘肽过氧化物酶的表达。

L-SelenoMethionine(Synonyms: L-硒代蛋氨酸)

L-SelenoMethionine Chemical Structure

CAS No. : 3211-76-5

规格 价格 是否有货 数量
Free Sample (0.1-0.5 mg)   Apply now  
10 mM * 1 mL in Water ￥605 In-stock
100 mg ￥550 In-stock
500 mg ￥1500 In-stock
1 g   询价  
5 g   询价  

* Please select Quantity before adding items.

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生物活性

L-SelenoMethionine, an L-isomer of Selenomethionine, is a major natural food-form of selenium. L-SelenoMethionin is a cancer chemopreventive agent that can reduce cancer incidence by dietary supplementation and induce apoptosis of cancer cells. L-SelenoMethionine also can increase expression of glutathione peroxidase[1][2][3].

IC50 & Target

Human Endogenous Metabolite

 

体外研究
(In Vitro)

L-SelenoMethionine (1-500 μM; 24-72 h) is selectively inhibits the growth of prostate cancer cells, compared with normal cells[2].
L-SelenoMethionine (500 μM; 48 h) induce apoptosis in prostate cancer cells[2].
L-SelenoMethionine (500 μM; 48 h) causes an increase in arrest in the G2-M phase of the cell cycle selectively in prostate cancer cells[2].
L-SelenoMethionine (5 μM; 24 h) mitigates gene expression associated with the cellular stress response from 10 cGy irradiation[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.

Cell Viability Assay[2]

Cell Line: Prostate cancer cells (LNCaP, PC-3, and DU145) and normal prostate cells (PrEC, PrSM, and PrSt)
Concentration: 1, 5, 10, 50, 100, 500 μM
Incubation Time: 24, 48, 72 hours
Result: Inhibited the growth of prostate cancer cells, with a lower IC50 (1-90 μM) at 72 h than normal prostate cells (>500 μM).

Apoptosis Analysis[2]

Cell Line: Prostate cancer cells (LNCaP, PC-3, and DU145) and normal prostate cells (PrEC, PrSM, and PrSt)
Concentration: 500 μM
Incubation Time: 48 hours
Result: Exhibited the highest level of DNA condensation in androgen-responsive LNCaP carcinoma cells, followed by PC-3 and DU145 cells.
Exhibited the nicked-end DNA labeling in prostate cancer cells.
Promoted the PARP cleavage in prostate cancer cells.

Cell Cycle Analysis[2]

Cell Line: Prostate cancer cells (LNCaP, PC-3, and DU145) and normal prostate cells (PrEC, PrSM, and PrSt)
Concentration: 500 μM
Incubation Time: 48 hours
Result: Increased the sub-G0-G1 cell fraction of LNCaP (41.5%), PC-3 (12.1%), and DU145 cells (11.2%).
Caused a significant increases in G2 cells , particularly in LNCaP (13%), PC-3 (32%), and DU145 (20%) cells.

RT-PCR[3]

Cell Line: Human thyroid epithelial cells (HTori-3)
Concentration: 5 μM
Incubation Time: 24 hours
Result: Downregulated the CDC6, GADD45A, FAS and ATF3 in irradiated cells.

体内研究
(In Vivo)

L-SelenoMethionine (0.06-12 μg/g diet; p.o. for 3 d) partially or completely prevent the decrease in the serum or plasma levels of total antioxidants in rats exposed to gamma rays, protons or HZE particles[5].

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.
Clinical Trial

分子量

196.11

Formula

C5H11NO2Se
CAS 号

3211-76-5
中文名称

L-硒代蛋氨酸
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
溶解性数据
In Vitro: 

H2O : 14.29 mg/mL (72.87 mM; Need ultrasonic)

DMSO : 1 mg/mL (5.10 mM; Need ultrasonic)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 5.0992 mL 25.4959 mL 50.9918 mL
5 mM 1.0198 mL 5.0992 mL 10.1984 mL
10 mM 0.5099 mL 2.5496 mL 5.0992 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。
参考文献

  • [1]. Schrauzer GN, et, al. Selenomethionine: a review of its nutritional significance, metabolism and toxicity. J Nutr. 2000 Jul;130(7):1653-6.

    [2]. Menter DG, et, al. Selenium effects on prostate cell growth. Cancer Epidemiol Biomarkers Prev. 2000 Nov;9(11):1171-82.

    [3]. Jornot L, et, al. Differential regulation of glutathione peroxidase by selenomethionine and hyperoxia in endothelial cells. Biochem J. 1995 Mar 1;306 ( Pt 2)(Pt 2):581-7.

    [4]. Nuth M, et, al. Mitigating effects of L-selenomethionine on low-dose iron ion radiation-induced changes in gene expression associated with cellular stress. Oncol Lett. 2013 Jul;6(1):35-42.

    [5]. Guan J, et, al. Effects of dietary supplements on space radiation-induced oxidative stress in Sprague-Dawley rats. Radiat Res. 2004 Nov;162(5):572-9.

所有产品仅用作科学研究或药证申报，我们不为任何个人用途提供产品和服务