Date published: 2025-12-22

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Y-27632 dihydrochloride (CAS 129830-38-2)

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Alternate Names:
Y-27632 dihydrochloride is also known as ROCK Inhibitor
Application:
Y-27632 dihydrochloride is a cell permeable inhibitor of ROCK-1 and ROCK-2 which plays an important role in Rho-mediated cell adhesion and smooth muscle contraction.
CAS Number:
129830-38-2
Purity:
≥98%
Molecular Weight:
320.26
Molecular Formula:
C14H21N3O•2HCl
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Y-27632 dihydrochloride is a selective Rho-kinase inhibitor. Y-27632 dihydrochloride suppresses cholinergic nerve-mediated contractions. In addition, studies show that Y-27632 dihydrochloride increases the release of neurotransmitters from cholinergic nerves. Studies conducted on smooth muscle preparations suggest that Y-27632 dihydrochloride suppresses nerve-mediated contractile responses stimulated by acetylcholine and noradrenaline. Furthermore, studies on lung tissue damage in rats suggest that Y-27632 dihydrochloride can restore the damage caused by oleic acid by inhibition of ROCK-1 and ROCK-2. Y-27632 dihydrochloride also inhibits protein kinase C related kinase, PRK2.


Y-27632 dihydrochloride (CAS 129830-38-2) References

  1. Specificity and mechanism of action of some commonly used protein kinase inhibitors.  |  Davies, SP., et al. 2000. Biochem J. 351: 95-105. PMID: 10998351
  2. Use and properties of ROCK-specific inhibitor Y-27632.  |  Narumiya, S., et al. 2000. Methods Enzymol. 325: 273-84. PMID: 11036610
  3. Rho-kinase (ROCK-1 and ROCK-2) upregulation in oleic acid-induced lung injury and its restoration by Y-27632.  |  Köksel, O., et al. 2005. Eur J Pharmacol. 510: 135-42. PMID: 15740734
  4. A Rho-kinase inhibitor, Y-27632, reduces cholinergic contraction but not neurotransmitter release.  |  Fernandes, L., et al. 2006. Eur J Pharmacol. 550: 155-61. PMID: 17010334
  5. Increased liver uptake and reduced hepatic stellate cell activation with a cell-specific conjugate of the Rho-kinase inhibitor Y27632.  |  van Beuge, MM., et al. 2011. Pharm Res. 28: 2045-54. PMID: 21442374
  6. Similar hydrodynamic and morphological changes in the aqueous humor outflow pathway after washout and Y27632 treatment in monkey eyes.  |  Lu, Z., et al. 2011. Exp Eye Res. 93: 397-404. PMID: 21669200
  7. Y27632 attenuates the aristolochic acid-promoted invasion and migration of human urothelial cancer TSGH cells in vitro and inhibits the growth of xenografts in vivo.  |  Huang, HP., et al. 2012. Nephrol Dial Transplant. 27: 565-75. PMID: 21799205
  8. ROCK inhibition with Y27632 promotes the proliferation and cell cycle progression of cultured astrocyte from spinal cord.  |  Yu, Z., et al. 2012. Neurochem Int. 61: 1114-20. PMID: 22929997
  9. Effects of Y27632 on keratinocyte procurement and wound healing.  |  Gandham, VD., et al. 2013. Clin Exp Dermatol. 38: 782-6. PMID: 23675999
  10. Effect of oxidative stress on Rho kinase II and smooth muscle contraction in rat stomach.  |  Al-Shboul, O. and Mustafa, A. 2015. Can J Physiol Pharmacol. 93: 405-11. PMID: 25752964
  11. Using Human Induced Pluripotent Stem Cell-derived Intestinal Organoids to Study and Modify Epithelial Cell Protection Against Salmonella and Other Pathogens.  |  Lees, EA., et al. 2019. J Vis Exp.. PMID: 31132035
  12. Expression of Acyl-CoA wax-alcohol acyltransferase 2 (AWAT2) by human and rabbit meibomian glands and meibocytes.  |  Rho, CR., et al. 2022. Ocul Surf. 23: 60-70. PMID: 34838721
  13. Mechanical Stretch Promotes Macrophage Polarization and Inflammation via the RhoA-ROCK/NF-κB Pathway.  |  Tu, PC., et al. 2022. Biomed Res Int. 2022: 6871269. PMID: 35915804
  14. Calcium sensitization of smooth muscle mediated by a Rho-associated protein kinase in hypertension.  |  Uehata, M., et al. 1997. Nature. 389: 990-4. PMID: 9353125
  15. An essential part for Rho-associated kinase in the transcellular invasion of tumor cells.  |  Itoh, K., et al. 1999. Nat Med. 5: 221-5. PMID: 9930872

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Y-27632 dihydrochloride, 1 mg

sc-281642
1 mg
$92.00

Y-27632 dihydrochloride, 10 mg

sc-281642A
10 mg
$232.00

What is the storage temperature for solution of Y-27632 dihydrochloride?

Asked by: two2igm05
It is recommended to store aliquots of sc-281642 in solution for up to 6 months at -20º C. Before usage, the aliquots should be thawed at room temperature for an hour.
Answered by: Chemical Support 4
Date published: 2017-02-25
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Rated 5 out of 5 by from PigatiPigati, PA. et al. (PubMed 26264367) evaluated the effects of Y-27632 dihydrochloride, a selective Rho-kinase inhibitor, with or without concurrent dexamethasone treatment, on airway and lung tissue mechanical responses, inflammation, extracellular matrix remodeling, and oxidative stress in guinea pigs with chronic allergic inflammation. This therapeutic strategy reduced the levels of collagen and IFN- in the airway walls, as well as IL-2, IFN- , 8-iso-PGF2 and NF- B in the distal parenchyma, when compared to isolated treatment with corticosteroid or Rho-kinase inhibitor (P < 0.05) and reduced the number of TIMP-1-positive cells and eosinophils in the alveolar septa compared to corticosteroid-treated animals (P < 0.05). -SCBT Publication Review
Date published: 2015-06-10
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Y-27632 dihydrochloride is rated 5.0 out of 5 by 1.
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