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- CAS号：
1564286-55-0
- 规格：
1mg/1mLx10mM(inDMSO)/2mg/5mg/10mg/25mg/50mg/100mg
| 规格： | 1mg | 产品价格： | ￥396.0 |
|---|---|---|---|
| 规格： | 1mLx10mM(inDMSO) | 产品价格： | ￥1024.0 |
| 规格： | 2mg | 产品价格： | ￥620.0 |
| 规格： | 5mg | 产品价格： | ￥775.0 |
| 规格： | 10mg | 产品价格： | ￥1256.0 |
| 规格： | 25mg | 产品价格： | ￥2344.0 |
| 规格： | 50mg | 产品价格： | ￥3512.0 |
| 规格： | 100mg | 产品价格： | ￥5024.0 |
Product Introduction
Bioactivity
| 名称 | CWHM-12 |
| 描述 | CWHM-12 is a potent inhibitor of αV integrins (IC50s of 0.2/0.8/1.5/1.8 nM for αvβ8/αvβ3/αvβ6/αvβ1). |
| 细胞实验 | The stably transfected human 293 cells over-expressing human αvβ3 or αvβ5 are pre-incubated in HBSS buffer containing 200 μM MnCl2 for 30 min at 37°C with 3-fold dilutions of compound (e.g., CWHM-12). Each sample is then added to triplicate wells of a 96-well plate which has been coated overnight at 4°C with a predetermined optimal concentration of purified vitronectin, washed, blocked by 1 hr incubation with BSA, and washed again. Cells are allowed to attach for 30 min at 37°C, and non-adherent cells are removed by washing. Remaining attached cells are measured by endogenous alkaline phosphatase activity using para-nitrophenyl phosphate and reading absorbance signal at 405 nM. The same procedure is used to measure adhesion of αvβ6-expressing human HT-29 cells to purified human latency-associated peptide, and α5β1-expressing human K562 cells to human plasma fibronectin. In all cell-based assays, binding by the expected integrin is verified by the testing activity of corresponding isotype-matched positive (function-blocking) and negative control antibodies. |
| 激酶实验 | Functions of integrins αvβ1, αvβ8, α2β1, and α10β1 are measured using cell-free receptor-ligand interaction assays using purified recombinant human integrins. Ligands used are human fibronectin for αvβ1, human LAP for αvβ8, bovine collagen II for α2β1, and murine laminin I for α10β1. 96-well plates are coated with the predetermined optimal concentration of ligand overnight, washed 3X with TBS+++ (25 mM Tris pH7.4, 137 mM NaCl, 2.7 mM KCl, 1 mM MgCl2, 1 mM MnCl2, 1mM CaCl2), and blocked with TBS+++/1%BSA. Purified integrin is diluted in TBS+++/0.1%BSA with or without compounds (e.g., CWHM-12), and the solution added to empty wells of the washed ligand-coated plate according to a standard template, with each sample repeated in triplicate. After incubation for 2 hr at room temperature, the plate is washed 3X with TBS+++. Biotin-labeled antibody against the αv subunit (αvβ1, αvβ8 assays) or β1 subunit (α2β1, α10β1 assays) is applied for 1 hr. The plate is washed 3X with TBS/0.1%BSA. Streptavidin-conjugated horseradish peroxidase is added to the wells, and the plate incubated for 20 min at room temperature. Following a 3X TBS+++ wash, bound integrin is detected using streptavidin-conjugated horseradish peroxidase and TMB substrate with absorbance measured at 650 nm. For assay of αIIbβ3 (IIbIIIa) function, plates are coated with the purified human integrin overnight, washed 3X with TBS+++, and blocked with TBS+++/1%BSA. Alexa Fluor647-labeled purified human fibrinogen is diluted in TBS+++/0.1%BSA with or without compounds, and the solutions are added to the integrin-coated plate. After 2 hr incubation, the plate is washed 3X with TBS+++, and the bound ligand is detected by absorbance measured at 640/668nm. For all assays, concentration-response curves are constructed by non-linear regression analysis and IC50 values are calculated using GraphPad Prism software. |
| 动物实验 | The mTmG (Td tomato/EGFP) and Ai14 (Rosa-CAG-LSL-tdTomato-WPRE) mice are used and crossed with Pdgfrb-Cre mice. Wild type C57/BL6 mice, Itgavflox/flox mice, and itgb8flox/flox mice are used. Mice used for all experiments are 8-12 weeks old and are housed under specific pathogen-free conditions. For all studies, CWHM-12 and CWHM-96 are solubilized in 50% DMSO (in sterile water) and dosed to 100 mg/kg/day. Drug or vehicle (50% DMSO) is delivered by implantable ALZET osmotic minipumps. For CCl4-induced fibrosis, pumps are inserted subcutaneously either before the first dose of CCl4 (prophylactic) or after 3 weeks of treatment (therapeutic) and livers are harvested after 6 weeks. For Bleomycin-induced fibrosis pumps are inserted 14 days after treatment with Bleomycin or saline and lungs are harvested at 28 days. |
| 体外活性 | CWHM-12 also less potently inhibits αvβ5 (IC50: 61 nM) and αIIbβ3/α2β1/α10β1 (IC50>5000 nM). CWHM-12 demonstrates high potency against all of the five possible β subunit binding partners (αvβ1, αvβ3, αvβ5, αvβ6, and αvβ8) in in vitro ligand-binding assays, with somewhat less potency against αvβ5 than against the other αv integrins. |
| 体内活性 | Mice are treated with CCl4 for 3 weeks to establish fibrotic disease and then treated with CWHM-12 or vehicle for the final 3 weeks of CCl4. CWHM-12 significantly reduces liver fibrosis even after the fibrotic disease has been established. Digital image quantitation demonstrates significantly reduced p-SMAD3 signaling in the livers of CWHM-12 treated mice compared to controls, demonstrating that the protection from CCl4-induced hepatic fibrosis observed in CWHM-12 treated mice is due at least in part to a reduction in TGF-β activation by αv integrins. Besides, the administration of CWHM-12 significantly inhibited the progression of pulmonary fibrosis. |
| 存储条件 | Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature. |
| 溶解度 | 10% DMSO+40% PEG300+5% Tween 80+45% Saline : 10 mg/mL (16.94 mM), Solution. DMSO : 150 mg/mL (254.03 mM), Sonication is recommended. 10% DMSO+90% Saline : < 10 mg/mL (16.94 mM), Lower concentrations may be soluble, but exact solubility limit is unknown. |
| 关键字 | αVβ8 integrin | αVβ6 integrin | αVβ3 integrin | αVβ1 integrin | Integrin | Inhibitor | inhibit | CWHM-12 | CWHM12 | CWHM 12 |
| 相关产品 | Gantofiban | Cucurbitacin B | 2-hydroxy Flutamide | Bestatin hydrochloride | Cyclo(-RGDfK) | (R)-Leucic acid | Elsibucol | ADH-503 | Tirofiban hydrochloride monohydrate | K34c hydrochloride | CLT-28643 | Lifitegrast |
| 相关库 | Inhibitor Library | Bioactive Compound Library | Bioactive Compounds Library Max | Cytoskeletal Signaling Pathway Compound Library | NO PAINS Compound Library | Multi-Target Compound Library | Membrane Protein-targeted Compound Library |
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化合物 CWHM-12【1564286-55-0】
￥396 - 5024
