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9213
p38 MAPK Control Cell Extracts
Experimental Controls
Cell Extract Kit

p38 MAPK Control Cell Extracts #9213

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  1. WB
Western Blotting Image 1: p38 MAPK Control Cell Extracts

Western blot analysis of p38 MAPK Control Cell extracts using Phospho-p38 MAPK (Thr180/Tyr182) (D3F9) XP® Rabbit mAb

#4511 (upper) and p38 MAPK Antibody #9212 (lower).

Product Usage Information

Boil for 3 minutes prior to use. Load 15 µl of phosphorylated and nonphosphorylated p38 MAP Kinase Control Cell Extracts per lane.

Storage

Supplied in SDS Sample Buffer: 62.5 mM Tris-HCl (pH 6.8 at 25°C), 2% w/v SDS, 10% glycerol, 50 mM DTT, 0.01% w/v phenol red or bromophenol blue. Store at –20°C or at –80°C for long term storage.

Product Description

Nonphosphorylated p38 MAPK Control Cell Extracts: Total extracts from C-6 glioma cells to serve as a negative control. Supplied in SDS Sample Buffer.

Phosphorylated p38 MAPK Control Cell Extracts: Total extracts from C-6 glioma cells treated with Anisomycin #2222 at 25 ug/ml for 30 minutes to serve as a positive control. Supplied in SDS Sample Buffer.

Background

p38 MAP kinase (MAPK), also called RK (1) or CSBP (2), is the mammalian orthologue of the yeast HOG kinase that participates in a signaling cascade controlling cellular responses to cytokines and stress (1-4). Four isoforms of p38 MAPK, p38α, β, γ (also known as Erk6 or SAPK3), and δ (also known as SAPK4) have been identified. Similar to the SAPK/JNK pathway, p38 MAPK is activated by a variety of cellular stresses including osmotic shock, inflammatory cytokines, lipopolysaccharide (LPS), UV light, and growth factors (1-5). MKK3, MKK6, and SEK activate p38 MAPK by phosphorylation at Thr180 and Tyr182. Activated p38 MAPK has been shown to phosphorylate and activate MAPKAP kinase 2 (3) and to phosphorylate the transcription factors ATF-2 (5), Max (6), and MEF2 (5-8). SB203580 (4-(4-fluorophenyl)-2-(4-methylsulfinylphenyl)-5-(4-pyridyl)-imidazole) is a selective inhibitor of p38 MAPK. This compound inhibits the activation of MAPKAPK-2 by p38 MAPK and subsequent phosphorylation of HSP27 (9). SB203580 inhibits p38 MAPK catalytic activity by binding to the ATP-binding pocket, but does not inhibit phosphorylation of p38 MAPK by upstream kinases (10).

  1. Rouse, J. et al. (1994) Cell 78, 1027-1037.
  2. Han, J. et al. (1994) Science 265, 808-11.
  3. Lee, J.C. et al. (1994) Nature 372, 739-46.
  4. Freshney, N.W. et al. (1994) Cell 78, 1039-49.
  5. Raingeaud, J. et al. (1995) J Biol Chem 270, 7420-6.
  6. Zervos, A.S. et al. (1995) Proc Natl Acad Sci U S A 92, 10531-4.
  7. Zhao, M. et al. (1999) Mol Cell Biol 19, 21-30.
  8. Yang, S.H. et al. (1999) Mol Cell Biol 19, 4028-38.
  9. Cuenda, A. et al. (1995) FEBS Lett 364, 229-33.
  10. Kumar, S. et al. (1999) Biochem Biophys Res Commun 263, 825-31.

Limited Uses

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Products are labeled with For Research Use Only or a similar labeling statement and have not been approved, cleared, or licensed by the FDA or other regulatory foreign or domestic entity, for any purpose. Customer shall not use any Product for any diagnostic or therapeutic purpose, or otherwise in any manner that conflicts with its labeling statement. Products sold or licensed by CST are provided for Customer as the end-user and solely for research and development uses. Any use of Product for diagnostic, prophylactic or therapeutic purposes, or any purchase of Product for resale (alone or as a component) or other commercial purpose, requires a separate license from CST. Customer shall (a) not sell, license, loan, donate or otherwise transfer or make available any Product to any third party, whether alone or in combination with other materials, or use the Products to manufacture any commercial products, (b) not copy, modify, reverse engineer, decompile, disassemble or otherwise attempt to discover the underlying structure or technology of the Products, or use the Products for the purpose of developing any products or services that would compete with CST's products or services, (c) not alter or remove from the Products any trademarks, trade names, logos, patent or copyright notices or markings, (d) use the Products solely in accordance with CST's Product Terms of Sale and any applicable documentation, and (e) comply with any license, terms of service or similar agreement with respect to any third party products or services used by Customer in connection with the Products.

For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
To Purchase # 9213S
Product # Size Price
9213S
150 µl  (10 western blots) $ 123