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KNK437
本产品不向个人销售,仅用作科学研究,不用于任何人体实验及非科研性质的动物实验。
KNK437图片
CAS NO:218924-25-5
包装与价格:
包装价格(元)
5 mg电议
10 mg电议
25 mg电议
50 mg电议
100 mg电议
200 mg电议
1 mL*10 mM(in DMSO)电议

产品名称
Heat Shock Protein Inhibitor I
产品介绍
KNK437 是一种HSP抑制剂,抑制 HSP40,HSP70 和 HSP105 的活化。

产品描述

KNK437, a pan-HSP inhibitor, suppresses the synthesis of inducible HSPs(HSP105, HSP72, and HSP40).

体内活性

KNK437 (200 mg/kg, i.p.) shows no antitumor effects and does not increase the thermosensitivity of nontolerant tumors. The same dose of KNK437 enhances the antitumor effects of fractionated heat treatment in a synergistic manner.[3]

激酶实验

Metabolic Labeling and Gel Electrophoresis: COLO 320DM cells (200,000) are injected into each well of 12-well plastic plates 2 days before incubation in the presence of KNK437 for 1 h before heat shock. The cells are then heat-shocked at 42°C for 90 min or kept at 37°C for the same length of time and incubated at 37°C for 2 h. For metabolic labeling, cells are washed with PBS without Ca2+ or Mg2+ and incubated for 1 h with 1.22 MBq of [35S]methionine in 250 μL of methionine-free DMEM supplemented with 10% dialyzed fetal bovine serum. After metabolic labeling, cells are washed twice with PBS and lysed in a buffer containing 1% NP40, 0.15 M NaCl, 50 mM Tris-HCl (pH 8.0), 5 mM EDTA, and protease inhibitors [0.2 mM 4-(2-aminoethyl)benzenesulfonyl fluoride hydrochloride, 2 mM N-ethylmaleimide, 1 μg/mL pepstatin, and 1 μg/mL leupeptin]. After centrifugation at 12,000×g for 20 min, cell extracts containing equal amounts of trichloroacetic acid-insoluble radioactivity are analyzed by two-dimensional gel electrophoresis (the one-dimensional gel electrophoresis is a nonequilibrium pH gradient gel electrophoresis, and the two-dimensional gel electrophoresis is 10% SDS-PAGE).

细胞实验

Thermotolerance is induced by incubating cells with 300 μM sodium arsenite for 90 min. Cells are preincubated with or without 100 μM KNK437 for 1 h before the sodium arsenite treatment. After treatment of the cells with sodium arsenite, cells are washed once with PBS and incubated at 37℃ for 5 h with or without KNK437. The effects of KNK437 on acquired thermotolerance are tested by heating the cells at 45°C for the indicated time. The surviving fraction is calculated as the plating efficiency of the treated cells divided by the plating efficiency of untreated control cells.(Only for Reference)

Cas No.

218924-25-5

分子式

C13H11NO4

分子量

245.234

别名

Heat Shock Protein Inhibitor I

储存和溶解度

Ethanol:<1 mgml
DMSO:12 mg/mL (48.9 mM)
Powder: -20°C for 3 years
In solvent: -80°C for 2 years