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TC13172 Sale

目录号 : GC34140

TC13172是MLKL的抑制剂,作用于HT-29细胞,其EC50值为2nM。

TC13172 Chemical Structure

Cas No.:2093393-05-4

规格 价格 库存 购买数量
10mM (in 1mL DMSO)
¥3,436.00
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5mg
¥3,124.00
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10mg
¥4,909.00
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50mg
¥14,726.00
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100mg
¥23,651.00
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Sample solution is provided at 25 µL, 10mM.

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实验参考方法

Cell experiment:

Human colorectal adenocarcinoma (HT)-29 cells are incubated with compound 12 (1 mM) or DMSO for 2 h. For the binding competition experiment samples, cells are pre-incubated with 5 mM NSA or 100 nM TC13172 for 2 h, 1 mM compound 12 is then added and incubated for an additional 2 h. The click reaction (Biotin-C2H4-N3 10 mM, TBTA 10 mM, CuSO4 50 mM, Sodium ascorbate 50 mM) is carried out with cell lysates for 2 h. The biotinmodified proteins are enriched and analysed by western blotting using antibodies against flag and GAPDH[1].

References:

[1]. Bo Yan, et al. Discovery of a new class of highly potent necroptosis inhibitors targeting the mixed lineage kinase domain-like protein.ChemCommun (Camb). 2017 Mar 28;53(26):3637-3640.

产品描述

TC13172 is a mixed lineage kinase domain-like protein (MLKL) inhibitor with an EC50 value of 2 nM for HT-29 cells.

The anti-necroptosis potency of TC13172 is evaluated in the HT-29 cell line, the EC50 value is 2±0.6 nM. TC13172 has an inhibition potency of 2 nM against cell necroptosis. TC13172 inhibits MLKL by directly binding to Cys-86. TC13172 does not disrupt the phosphorylation of MLKL, but do decrease the level of MLKL in the membrane phase, demonstrating that these MLKL inhibitors block the translocation of MLKL to the cell membrane, thereby protecting cells from necroptosis[1].

[1]. Bo Yan, et al. Discovery of a new class of highly potent necroptosis inhibitors targeting the mixed lineage kinase domain-like protein.ChemCommun (Camb). 2017 Mar 28;53(26):3637-3640.

Chemical Properties

Cas No. 2093393-05-4 SDF
Canonical SMILES O=C1C2=C(N=C(S(C)(=O)=O)N2C)N(CC#CC3=CC(O)=CC=C3)C(N1C)=O
分子式 C17H16N4O5S 分子量 388.4
溶解度 DMSO : 25 mg/mL (64.37 mM);Water : < 0.1 mg/mL (insoluble) 储存条件 Store at -20°C
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溶解性数据

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1 mg 5 mg 10 mg
1 mM 2.5747 mL 12.8733 mL 25.7467 mL
5 mM 0.5149 mL 2.5747 mL 5.1493 mL
10 mM 0.2575 mL 1.2873 mL 2.5747 mL
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Research Update

Reconstitution of Human Necrosome Interactions in Saccharomyces cerevisiae

The necrosome is a large-molecular-weight complex in which the terminal effector of the necroptotic pathway, Mixed Lineage Kinase Domain-Like protein (MLKL), is activated to induce necroptotic cell death. The precise mechanism of MLKL activation by the upstream kinase, Receptor Interacting Serine/Threonine Protein Kinase 3 (RIPK3) and the role of Receptor Interacting Serine/Threonine Protein Kinase 1 (RIPK1) in mediating MLKL activation remain incompletely understood. Here, we reconstituted human necrosome interactions in yeast by inducible expression of these necrosome effectors. Functional interactions were reflected by the detection of phosphorylated MLKL, plasma membrane permeabilization, and reduced proliferative potential. Following overexpression of human necrosome effectors in yeast, MLKL aggregated in the periphery of the cell, permeabilized the plasma membrane and compromised clonogenic potential. RIPK1 had little impact on RIPK3/MLKL-mediated yeast lethality; however, it exacerbated the toxicity provoked by co-expression of MLKL with a RIPK3 variant bearing a mutated RHIM-domain. Small molecule necroptotic inhibitors necrostatin-1 and TC13172, and viral inhibitors M45 (residues 1-90) and BAV_Rmil, abated the yeast toxicity triggered by the reconstituted necrosome. This yeast model provides a convenient tool to study necrosome protein interactions and to screen for and characterize potential necroptotic inhibitors.

Discovery of a New Class of Uracil Derivatives as Potential Mixed Lineage Kinase Domain-like Protein (MLKL) Inhibitors

Necroptosis is a form of programmed cell death. Mixed lineage kinase domain-like protein (MLKL) is the necroptosis executor, and it is involved in various diseases such as tissue damage and neurodegeneration-related diseases. Here, we report the development of novel MLKL inhibitors with a uracil nucleus through scaffold morphing from our previously reported xanthine MLKL inhibitor TC13172. After a rational structure-activity relationship study, we obtained the highly potent compounds 56 and 66. Mechanism studies revealed that these compounds partially inhibited MLKL oligomerization and significantly inhibited MLKL translocation to the membrane. Compared with TC13172, 56 and 66 have a different mode of action and, importantly, their reaction rate with glutathione is more than 150-fold lower. This reduction in potential off-target effects and cell toxicity makes this series an attractive starting point for further drug development for MLKL-related disease treatments.

Discovery of a new class of highly potent necroptosis inhibitors targeting the mixed lineage kinase domain-like protein

We report the development of novel Mixed Lineage Kinase Domain-Like protein (MLKL) inhibitors with single nanomolar potency (compound 15 is also named as TC13172). Using the converting biochemistry to chemistry activity-based protein profiling (BTC-ABPP) method, we were able to determine that the inhibitors covalently bind to Cysteine86 (Cys-86) of MLKL. This is the first example of the use of LC-MS/MS to identify the binding site of an MLKL inhibitor. The novel MLKL inhibitors provide powerful tools to study the biological function of MLKL and demonstrate that MLKL should be viewed as a druggable target.