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CSA001 Rho-associated Kinase (ROCK) Activity Assay

This Rho-associated Protein Kinase (ROCK) Activity Assay Kit is an enzyme immunoassay for detection of the active ROCK & DMPK family kinases.

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CSA001
96 assays  
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      Übersicht

      Replacement Information

      Key Spec Table

      Species ReactivityDetection Methods
      AChromogenic
      Description
      Catalogue NumberCSA001
      Brand Family Chemicon®
      Trade Name
      • Chemicon
      DescriptionRho-associated Kinase (ROCK) Activity Assay
      OverviewIntroduction:

      Small GTPase proteins of the Rho family are pivotal regulators of several aspects of cell behavior, such as cell motility, cell proliferation and apoptosis. They have a central role in many motile responses that involve the actin cytoskeleton and/or microtubule network, from neurite extension to phagocytosis and cancer-cell invasion. In addition, they contribute to changes in gene expression that lead to cell-cycle progression or differentiated cell responses. Rho is activated by extracellular signals such as lysophosphatidic acid (LPA). The actions of Rho are mediated by downstream Rho effectors. One of these effectors is Rho-associated protein kinase (ROCK). Two ROCK isoforms have been identified: ROCK-I (also known as ROKβ) and ROCK-II (also known as Rho Kinase and ROKα). ROCK mediates Rho signaling and reorganizes the actin cytoskeleton through phosphorylation of several substrates that contribute to the assembly of actin filaments and contractility.
      ROCK inactivates myosin phosphatase through the specific phosphorylation of myosin phosphatase target subunit 1 (MYPT1) at threonine residue 696, which results in an increase in the phosphorylated form of the 20 kDa myosin light chain (MLC20). This threonine residue may also be phosphorylated by myotonic dystrophy protein kinase (DMPK) family kinases.

      Test Principle:
      Millipore’s Rho-associated Protein Kinase (ROCK) Activity Assay Kit is an enzyme immunoassay for detection of the active ROCK and DMPK family kinases. Plates are pre-coated with recombinant MYPT1, which contains a Thr696 residue that may be phosphorylated upon addition of ROCK-I, ROCK-II, or DMPK. A detection antibody that specifically detects only MYPT1 phosphorylated at Thr696 is then applied. Subsequently, an HRP-conjugated secondary detection antibody is added. The amount of phoshorylated substrate is measured by addition of the chromogenic substrate tetra-methylbenzidine (TMB), which bound HRP converts from a colorless solution to a blue solution (or yellow after the addition of stop solution). The absorbance signal at 450 nm reflects the relative amount of ROCK activity in the sample.

      The ROCK assay kit is designed to determine the presence and relative amount of purified ROCK activity as well as for screening inhibitors or activators of ROCK or DMPK family kinases.
      Materials Required but Not Delivered1. Multi-channel or repeating pipettes
      2. Plate shaker (optional)
      3. Pipettors and tips capable of accurately measuring 1-1000 μL
      4. Graduated serological pipettes
      5. 96-well microtiter plate reader with luminescence readout.
      6. Graphing software for plotting data or graph paper for manual plotting of data
      7. Microcentrifuge tubes for standard and sample dilutions
      8. Mechanical vortex
      9. 1 liter container
      10. Distilled or deionized water
      11. DMSO to dissolve inhibitor compounds.
      12. (Optional) ROCK-I (Millipore Catalog No. 14-601) or DMPK (Millipore Catalog No. 14-649)
      References
      Product Information
      Components
      • MYPT1 Pre-coated 96-well Multistrip Plate: One 96-well multistrip plate pre-coated with MYPT1
      • Anti-phospho-MYPT1(Thr696) Antibody: One vial containing 10 µg of anti-phospho-MYPT1(Thr696) antibody
      • TMB/E Substrate: One bottle containing 12 mL
      • Stop Solution: One bottle containing 12 mL
      • TBS, 20X: One bottle containing 50 mL 20X TBS
      • 20% Tween® 20 (v/v): One bottle containing 3 mL
      • Plate Sealers: Two plate covers
      • Assay Dilution Buffer I: One vial containing 1 mL
      • ATP (10mM): One vial containing 50 µL
      • MgCl2 (1M): One vial containing 100 µL
      • 30% BSA: One vial containing 1 mL
      • Goat Anti-Rabbit IgG HRP Secondary Antibody: One vial containing 30 µL
      • ROCK Inhibitor Y-27632: One vial containing 150 µL
      • Active Rho-associated Kinase II (ROCK-II): One vial containing 10 µg
      Detection methodChromogenic
      Applications
      ApplicationThis Rho-associated Protein Kinase (ROCK) Activity Assay Kit is an enzyme immunoassay for detection of the active ROCK & DMPK family kinases.
      Application NotesMillipore’s Rho-associated Protein Kinase (ROCK) Activity Assay Kit is an enzyme immunoassay for detection of the active ROCK and DMPK family kinases. Plates are pre-coated with recombinant MYPT1, which contains a Thr696 residue that may be phosphorylated upon addition of ROCK-I, ROCK-II, or DMPK. A detection antibody that specifically detects only MYPT1 phosphorylated at Thr696 is then applied. Subsequently, an HRP-conjugated secondary detection antibody is added. The amount of phoshorylated substrate is measured by addition of the chromogenic substrate tetra-methylbenzidine (TMB), which bound HRP converts from a colorless solution to a blue solution (or yellow after the addition of stop solution). The absorbance signal at 450 nm reflects the relative amount of ROCK activity in the sample.

      The ROCK assay kit is designed to determine the presence and relative amount of purified ROCK activity as well as for screening inhibitors or activators of ROCK or DMPK family kinases. It can also be used to assess the potency of pharmacological agents on ROCK or DMPK family kinases.
      Biological Information
      Species Reactivity
      • All
      Physicochemical Information
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsStore kit materials at specified temperatures on the label and manual; use within 4 months from date of receipt.
      Packaging Information
      Material Size96 assays
      Transport Information
      Supplemental Information
      Specifications
      Global Trade Item Number
      Bestellnummer GTIN
      CSA001 04053252001222