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亮抑酶肽

CAS:No.103476-89-7

英文名称:Leupeptin

分子式:C20H38N6O4·1/2H2SO4

分子量:475.59

储存条件:Powder:-20℃,2 years;Insolvent(母液):-20℃,6 months;-80℃,1 year

纯度:≥98%

亮抑酶肽
满3999赠露营车
货号:
IL0070
品牌:
Solarbio
SKU 北京总部 北京海淀 武汉 广州
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使用本产品的应用案例(仅供参考

In Vitro

Western blotting. (1 µM Leupeptin

MCF-7 cells were treated with the aforementioned CoCl2 concentrations for 24 h and cells were lysed with ice-cold radioimmunoprecipitation assay buffer (150 mM NaCl, 1.0% NP-40, 0.1% Triton X-100, 0.5% sodium deoxycholate, 0.1% SDS and 50 mM Tris-HCl, pH 8.0) and protease inhibitors (AEBSF at 2 mM, Aprotinin at 0.3 µM, Bestatin at 116 µM, E-64 at 14 µM, Leupeptin at 1 µM and EDTA at 1 mM; Beijing Solarbio Science & Technology Co., Ltd., Beijing, China)

来源文献:Li Q, Ma R, Zhang M. CoCl2 increases the expression of hypoxic markers HIF-1α, VEGF and CXCR4 in breast cancer MCF-7 cells. Oncol Lett. 2018 Jan;15(1):1119-1124. doi: 10.3892/ol.2017.7369. Epub 2017 Nov 8. PMID: 29391899; PMCID: PMC5769392.


Western Blotting(0.5 ug/mL Leupeptin

The mice heart (n=3) was dissected out and homogenized with a homogenizer at 4 °C in ice-cold lysis buffer containing 150 mM NaCl, 50mM Tris (pH 7.4), 1% sodium deoxycholate, 1%TritonX-100, 0.1% SDS, 25 mM β-glycerophosphate, 2m M sodium pyrophosphate, 1mM EDTA, 1mM Na3VO4 and 0.5 ug/ml leupeptin (Solarbio, Beijing, China).  The homogenate was centrifuged at 12,000×g for ten minutes at 4 ℃ to obtain the supernatant which was used to analyze the protein expression. 

来源文献:Jing L, Shao J, Sun W, Lan T, Jia Z, Ma H, Wang H. Protective effects of two novel nitronyl nitroxide radicals on heart failure induced by hypobaric hypoxia.  Life Sci. 2020 May 1;248:116481.  doi: 10.1016/j.lfs.2019.05.037.  Epub 2019 May 15.  PMID: 31102744.



CellHEK293T cells hESCs1 μg/mL Leupeptin30 min at 4◦C on a rotation wheel

For TFAP2C-OTX2 Co-immunoprecipitation, HEK293T cells expressing either HA-tagged OTX2 and MYC-tagged TFAP2C protein were collected after being scraped, pelleted, and washed three times using 1 × PBS. The cells were lysed with RIPA buffer supplemented with a cocktail of protease inhibitors (1 μg/mL Aprotinin (Solarbio, IA0430), 1 μg/mL Leupeptin (Solarbio, IL0070), 1 μg/mL Pepstatin (Solarbio, IP0170) and 1 mM PMSF) for 30 min at 4◦C on a rotation wheel. The soluble cell lysates were collected after maximum speed centrifugation at 4◦C for 30 min. Subsequently, 1 μg/mL of HA beads was incubated with cell lysates for 2 hrs at 4◦C on a rotation wheel. Beads were then washed for three times with PBS. Proteins were eluted in 1 × SDS loading buffer for subsequent Western Blot analysis. For MacroH2A.1-OTX2, MacroH2A.1-TFAP2C Co-immunoprecipitation, control hESCs expressing either 3 × FLAG-tagged OTX2 and MacroH2A.1 or control and OTX2-KO hESCs expressing 3 × FLAG-tagged OTX2 and MacroH2A.1 protein were collected after being scraped, pelleted, and washed three times using 1 × PBS. The cells were lysed with RIPA buffer supplemented with a cocktail of protease inhibitors (1 μg/mL Aprotinin (Solarbio, IA0430), 1 μg/mL Leupeptin (Solarbio, IL0070), 1 μg/mL Pepstatin (Solarbio, IP0170) and 1 mM PMSF) for 30 min at 4◦C on a rotation wheel. The soluble cell lysates were collected after maximum speed centrifugation at 4◦C for 30 min. Subsequently, 1 μg/mL of FLAG antibody with beads and 1 μg/mL of MacroH2A.1 antibody with beads were incubated with cell lysates for 2 hrs at 4◦C on a rotation wheel. Beads were then washed for three times with PBS. Proteins were eluted in 1 × SDS loading buffer for subsequent Western Blot analysis.

文献来源:Zhang J, Gu Y, Tong L, Feng B, Dong S, Shao Q, Chen Y, Tu H, Wang Z, Wang Y, Li X, Yu H, Lin Z, Wang X, Li Z, Ai Z, Xiang Y, Jiang Z, Jin Z, Li Z, Chen Y, Shen Z, Huang C, Liu J, Liu J, Xu P, Yu Y, Xia P, Liang H, Huang H, Chen D. IGF2BP1 restricts the induction of human primordial germ cell fate in an m6A-dependent manner. Cell Stem Cell. 2025 May 21:S1934-5909(25)00181-X. doi: 10.1016/j.stem.2025.05.001. Epub ahead of print. PMID: 40436019.


备注:
以上数据均来自公开文献, Solarbio暂未进行独立验证, 仅供参考。
These protocols are for reference only. Solarbio does not independently validate these methods.

实验图
Zhang J,et al.Cell Stem Cell. 2025 May 21:S1934-5909(25)00181-X. doi: 10.1016/j.stem.2025.05.001.
Zhang J,et al.Cell Stem Cell. 2025 May 21:S1934-5909(25)00181-X. doi: 10.1016/j.stem.2025.05.001.
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