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How does Y-27632 work?

How does Y-27632 work?

The ROCK inhibitor, Y-27632, protects stem cells from dissociation-associated apoptosis during cryopreservation and increases cell viability post-thawing.

WHAT IS ROCK inhibitor used for?

Particularly, ROCK inhibitor is used for cell culture practice, in part to limit cellular death and limited dedifferentiation, and therefore widely adopted for induced pluripotent stem cells (iPSC) and embryonic stem cell cultures, although studies have shown mixed results for other cells types.

How do you do aliquot ROCK inhibitor?

Preparation and storage

  1. Aseptically add 3 mL of sterile water (ATCC 60-2450) or D-PBS (ATCC 30-2200) to the 10 mg vial of ROCK Inhibitor Y27632. Mix thoroughly by pipetting.
  2. Aliquot the stock solution in working volumes based on routine use.
  3. Store aliquots at -20°C to -80°C and avoid repeated freezing and thawing.

How do you dissolve Y-27632?

Y-27632 (hydrochloride) is supplied as a crystalline solid. A stock solution may be made by dissolving the Y-27632 (hydrochloride) in an organic solvent purged with an inert gas. Y-27632 (hydrochloride) is soluble in organic solvents such as ethanol, DMSO, and dimethyl formamide.

What does ROCK protein do?

Rho-associated protein kinase (ROCK) is a kinase belonging to the AGC (PKA/ PKG/PKC) family of serine-threonine specific protein kinases. It is involved mainly in regulating the shape and movement of cells by acting on the cytoskeleton.

What does mTeSR stand for?

defined medium for human ES cell culture
They contain recipes for the formulation of mTeSR (a defined medium for human ES cell culture) and detailed protocols for the culture, transfer, and passage of cells grown in these feeder-independent conditions.

How does RhoA activate rock?

Interaction with GTPase RhoA activates ROCKs by binding to the Rho-binding domain located in the coiled-coil region of ROCK proteins and conformational changes release the auto-inhibitory carboxy terminal from the kinase domain.

How is Rock activated?

The kinase domain interacts to abolish the inhibition of ROCK at the C-terminus and activates ROCK. Some lipids interact with the PH region of the C-terminal inhibitory region of ROCK protein, interferes with the C-terminal inhibitory activity, and thus activates ROCK without relying on RhoA activity.

What is ROCK1 gene?

Gene and expression ROCK1 is also the name of the gene that encodes the protein ROCK1, a serine/threonine kinase. ROCK1 is activated when bound to the GTP-bound form of RhoA. The human ROCK1 gene is located on human chromosome 18 with specific location of 18q11.

What does Rho Rock do?

The Rho/Rho-associated coiled-coil containing protein kinase (Rho/ROCK) signaling pathway is an important signal transduction system within the central nervous system, and is critically involved in cell growth, differentiation, migration and development (Chen et al., 2013).

What does Rho kinase do?

Rho-associated kinase (Rho-kinase/ROCK/ROK) is an effector of the small GTPase Rho and belongs to the AGC family of kinases. Rho-kinase has pleiotropic functions including the regulation of cellular contraction, motility, morphology, polarity, cell division, and gene expression.

Which group of kinases does the enzyme ROCK1 belong to?

Rho-associated protein kinase (ROCK) belongs to the serine-threonine kinases family. Rho kinase usually exists in human, rat,mouse, zebrafish, Drosophila and other animals, which has two members, including ROCK1 and ROCK2. ROCK1 is usually highly expressed in non-neuronal tissues, such as, lung, liver and testis.

Is it necessary to use ROCK inhibitor Y-27632 for passaging cells?

ROCK Inhibitor Y-27632 is not necessary in subsequent cell culture medium changes and is not required for passaging cells. Note: The use of ROCK inhibitor may cause a transient spindle-like morphology effect on iPSCs. However, the colony morphology will recover after subsequent media change without ROCK inhibitor

What is the mechanism of action of Y-27632 inhibitor?

ROCK inhibitor, Y-27632, improves the recovery of human embryonic stem cells (hESC) after fluorescence activated cell sorting.

What is Y-27632 used for?

Overview Y-27632 is a cell-permeable, highly potent and selective inhibitor of Rho-associated, coiled-coil containing protein kinase (ROCK). Y-27632 inhibits both ROCK1 (Ki = 220 nM) and ROCK2 (Ki = 300 nM) by competing with ATP for binding to the catalytic site (Davies et al.; Ishizaki et al.).

How can Y-27632 dihydrochloride be used?

For more information about how Y-27632 dihydrochloride may be used, see our protocols: Transdifferentiating Fibroblasts into Neurons, Converting Fibroblasts into Cardiomyocytes (9C Cocktail), Accelerated Induction of Cortical Neurons from hiPSCs, Human iPSC-derived Myoblasts.