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Purity: ≥98%
Y-27632 2HCl (Y27632; Y2 7632), the dihydrochloride salt of Y-27632, is a novel, potent and selective inhibitor of ROCK1 (p160ROCK) with potential antifibrotic and anticancer activity. It inhibits ROCK1 with an IC50 of 140 nM in a cell-free assay, and exhibits >200-fold selectivity over other closely related kinases, including PKC, cAMP-dependent protein kinase, MLCK and PAK. Y27632 prevents dimethylnitrosamine-induced hepatic fibrosis in rats, increases apoptosis and disrupts the actin cortical mat in embryonic avian corneal epithelium, affects initial heart myofibrillogenesis in cultured chick blastoderm, promotes the proliferation and cell cycle progression of cultured astrocyte from spinal cord. Y-27632 suppresses the kinase activity of both ROCK-1 and ROCK-2 in vitro, and this compound inhibits the kinases by binding to the catalytic site of ROCK-1 and ROCK-2. Thus Y-27632 function on Rho-mediated stress fiber formation, the G1-S phase progression and cytokinesis.
Targets |
ROCK-I: 220 nM (Ki); ROCK-II: 300 nM (Ki); PKN:3.1 μM (Ki); Citron kinase: 5.3 μM (Ki); PKCα: 73 μM (Ki); PKA: 25 μM (Ki)
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ln Vitro |
Programming is enhanced and the quarter rate of direct conversion of mouse fibroblasts into neural cells is increased by Y-27632 dihydrochloride (GMP) (2 μM; 4–8 d) [1]. Human Y-27632 dihydrochloride (GMP) facilitates the differentiation of fibroblasts into pluripotent stem cells (hiPSCs) [2]. Primed hPSCs are converted into hEPS cells and human EPS cell proliferation is enhanced by Y-27632 dihydrochloride (GMP) (2–10 μM) [3]. Human EPS cells generated from blastocysts are induced by 10 μM of Y-27632 diHCl (GMP) [4].
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ln Vivo |
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Enzyme Assay |
Recombinant ROCK-I, ROCK-II, PKN, or citron kinase is expressed in HeLa cells as Myc-tagged proteins by transfection using Lipofectamine, and is precipitated from the cell lysates by the use of 9E10 monoclonal anti-Myc antibody coupled to G protein-Sepharose. Recovered immunocomplexes are incubated with various concentrations of [32P]ATP and 10 mg of histone type 2 as substrates in the absence or presence of various concentrations of either Y-27632 or Y-30141 at 30°C for 30 min in a total volume of 30 μL of the kinase buffer containing 50 mM HEPES-NaOH, pH 7.4, 10 mM MgCl2, 5 mM MnCl2, 0.02% Briji 35, and 2 mM dithiothreitol. PKCa is incubated with 5 μM [32P]ATP and 200 μg/mL histone type 2 as substrates in the absence or presence of various concentrations of either Y-27632 or Y-30141 at 30°C for 10 min in a kinase buffer containing 50 mM Tris-HCl, pH 7.5, 0.5 mM CaCl2, 5 mM magnesium acetate, 25 μg/mL phosphatidyl serine, 50 ng/mL 12-O-tetradecanoylphorbol-13-acetate and 0.001% leupeptin in a total volume of 30 μL. Incubation is terminated by the addition of 10 μL of 43 Laemmli sample buffer. After boiling for 5 min, the mixture is subjected to SDS-polyacrylamide gel electrophoresis on a 16% gel. The gel is stained with Coomassie Brilliant Blue, and then dried. The bands corresponding to histone type 2 are excised, and the radioactivity is measured.[1]
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Cell Assay |
HeLa cells are plated at a density of 3×104 cells per 3.5-cm dish. The cells are cultured in DMEM containing 10% FBS in the presence of 10 mM Thymidine for 16 h. After the cells are washed with DMEM containing 10% FBS, they are cultured for an additional 8 h, and then 40 ng/mL of Nocodazole is added. After 11.5 h of the Nocodazole treatment, various concentrations of Y-27632 (0-300 μM), Y-30141, or vehicle is added and the cells are incubated for another 30 min. [1]
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Animal Protocol |
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References |
[1]. Li X, et al. Small-Molecule-Driven Direct Reprogramming of Mouse Fibroblasts into Functional Neurons. Cell Stem Cell. 2015 Aug 6;17(2):195-203.
[2]. Cao N, et al. Conversion of human fibroblasts into functional cardiomyocytes by small molecules. Science. 2016 Jun 3;352(6290):1216-20. [3]. Choi IY, et al. Concordant but Varied Phenotypes among Duchenne Muscular Dystrophy Patient-Specific Myoblasts Derived using a Human iPSC-Based Model. Cell Rep. 2016 Jun 7;15(10):2301-2312. [4]. Yang Y, et al. Derivation of Pluripotent Stem Cells with In Vivo Embryonic and Extraembryonic Potency. Cell. 2017 Apr 6;169(2):243-257.e25. |
Molecular Formula |
C14H21N3O.2HCL
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Molecular Weight |
320.26
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Exact Mass |
247.17
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Elemental Analysis |
C, 52.51; H, 7.24; Cl, 22.14; N, 13.12; O, 5.00
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CAS # |
129830-38-2
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Related CAS # |
146986-50-7; 129830-38-2 (2HCl); 331752-47-7 (HCl hydrate); 138381-45-0 (racemate HCl); 310898-86-3 (recamate free base)
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Appearance |
White to off-white solid powder
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tPSA |
68Ų
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SMILES |
O=C([C@@H]1CC[C@]([C@H](N)C)([H])CC1)NC2=CC=NC=C2.[H]Cl.[H]Cl
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InChi Key |
IDDDVXIUIXWAGJ-LJDSMOQUSA-N
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InChi Code |
InChI=1S/C14H21N3O.2ClH/c1-10(15)11-2-4-12(5-3-11)14(18)17-13-6-8-16-9-7-13;;/h6-12H,2-5,15H2,1H3,(H,16,17,18);2*1H/t10-,11-,12-;;/m1../s1
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Chemical Name |
(1R,4r)-4-((R)-1-aminoethyl)-N-(pyridin-4-yl)cyclohexanecarboxamide dihydrochloride
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Synonyms |
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HS Tariff Code |
2934.99.9001
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Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
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Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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Solubility (In Vitro) |
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Solubility (In Vivo) |
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.
Injection Formulations
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution. Injection Formulation 2: DMSO : PEG300 :Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil) Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals). View More
Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)] Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium) Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals). View More
Oral Formulation 3: Dissolved in PEG400  (Please use freshly prepared in vivo formulations for optimal results.) |
Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
1 mM | 3.1225 mL | 15.6123 mL | 31.2246 mL | |
5 mM | 0.6245 mL | 3.1225 mL | 6.2449 mL | |
10 mM | 0.3122 mL | 1.5612 mL | 3.1225 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration: mg/mL;
Method for preparing DMSO stock solution: mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation::Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
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