>
产品中心 >
Small_molecule >
Medchemexpress/(-)-Blebistatin(同义词:(S)-(-)-Blebistatin)/HY-13441/5mg
| Description | (-)-BlebbistatinisanSenantiomerofblebbistatin.BlebbistatinisapotentandselectivemyosinIIinhibitorwithIC50valuesrangingfrom0.5to5μM. |
|---|---|
| IC50&Target | IC50:0.5to5μM(myosinII)[1] |
| InVitro | BlebbistatinpotentlyinhibitsseveralstriatedmusclemyosinsaswellasvertebratenonmusclemyosinIIAandIIBwithIC50valuesrangingfrom0.5to5μM.Smoothmusclemyosinisonlypoorlyinhibited(IC50=80μM)[1].Blebbistatindoesnotcompetewithnucleotidebindingtotheskeletalmusclemyosinsubfragment-1.TheinhibitorpreferentiallybindstotheATPaseintermediatewithADPandphosphateboundattheactivesite,anditslowsdownphosphaterelease.Itblocksthemyosinheadsinaproductscomplexwithlowactinaffinity[2].Inculture-activatedhepaticstellatecells,blebbistatinisfoundtochangebothcellmorphologyandfunction.Stellatecellsbecomesmaller,acquireadendriticmorphologyandhavelessmyosinIIA-containingstressfibresandvinculin-containingfocaladhesions.Blebbistatinimpairssiliconewrinkleformation,reducescollagengelcontractionandblocksendothelin-1-inducedintracellularCa2+release.Itpromoteswound-inducedcellmigration[3]. |
| InVivo | Blebbistatindose-dependentlyandcompletelyrelaxbothKCl-andcarbachol-inducedratdetrusorandendothelin-1-inducedhumanbladdercontraction.Pre-incubationwith10μMblebbistatinattenuatescarbacholresponsivenessby65%whileblockingelectricalfieldstimulation-inducedbladdercontractionreaching50%inhibitionat32Hz[4]. |
| References |
|
| PreparingStockSolutions |
Pleaserefertothesolubilityinformationtoselecttheappropriatesolvent. | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CellAssay [3] | FreshlyisolatedHSCsarereplatedon96-wellplate.Atday3,mediumisreplacedbyserum-freemediumandcellsarestarvedovernight,treatedwithorwithoutblebbistatin(25μM)for2hfollowedbystimulationwithplatelet-derivedgrowthfactor-BB(20ng/mL).Afteranovernightincubation,theWST-1cellproliferationassayareperformed[3].MCEhasnotindependentlyconfirmedtheaccuracyofthesemethods.Theyareforreferenceonly. References |
|

