Revision 6

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Orders:

877-616-CELL (2355)

[email protected]

Support:

877-678-TECH (8324)

3 Trask Lane | Danvers | Massachusetts | 01923 | USA

For Research Use Only. Not for Use in Diagnostic Procedures.

Product Includes Product # Quantity Mol. Wt Isotype/Source
Phospho-MSK1 (Thr581) Antibody959520 µl90 kDaRabbit
Phospho-p38 MAPK (Thr180/Tyr182) (D3F9) XP® Rabbit mAb451120 µl43 kDaRabbit IgG
Phospho-MKK3 (Ser189)/MKK6 (Ser207) (D8E9) Rabbit mAb1228020 µl38 MKK6, 40 MKK3 kDaRabbit IgG
Phospho-HSP27 (Ser82) (D1H2F6) XP® Rabbit mAb970920 µl27 kDaRabbit IgG
Phospho-MAPKAPK-2 (Thr334) (27B7) Rabbit mAb300720 µl49 kDaRabbit IgG
Anti-rabbit IgG, HRP-linked Antibody7074100 µlGoat
Phospho-ATF-2 (Thr71)/ATF-7 (Thr53) (A8J7P) Rabbit mAb1541120 µl65,75 kDaRabbit IgG

Please visit cellsignal.com for individual component applications, species cross-reactivity, dilutions, protocols, and additional product information.

Description

The Phospho-p38 MAPK Pathway Antibody Sampler Kit provides an economical means to evaluate the activation status of multiple members of the p38 MAPK pathway, including phosphorylated MSK1, p38 MAPK, MKK3/MKK6, ATF-2, HSP27 and MAPKAPK-2. The kit includes enough primary and secondary antibodies to perform two Western blot experiments.

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

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).

Four residues (Thr25, Thr222, Ser272 and Thr334) of MAPKAPK-2 are phosphorylated by p38 in an in vitro kinase assay (3). Phosphorylation at Thr222, Ser272 and Thr334 seems to be essential for the activity of MAPKAPK-2 (3). Activated MAPKAPK-2 can in return phosphorylate HSP27 at serines 15, 78 and 82 (3,9). Phosphorylation of HSP27 causes a change in the tertiary structure of HSP27, which shifts from large homotypic multimers to dimmers and monomers (10). It has been illustrated that phosphorylation and increased concentration of HSP27 modulate actin polymerization and reorganization (11,12).

Trademarks and Patents

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

Limited Uses

Except as otherwise expressly agreed in a writing signed by a legally authorized representative of CST, the following terms apply to Products provided by CST, its affiliates or its distributors. Any Customer's terms and conditions that are in addition to, or different from, those contained herein, unless separately accepted in writing by a legally authorized representative of CST, are rejected and are of no force or effect.

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 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 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.

Orders: 877-616-CELL (2355) [email protected] Support: 877-678-TECH (8324) [email protected] Web: cellsignal.com
For Research Use Only. Not for Use in Diagnostic Procedures.

Revision 6

Cell Signaling Technology Logo
Western blot analysis of extracts from HeLa and NIH/3T3 cells, untreated (-) or treated with TPA #4174 (200 nM, 15 min; +), using Phospho-MKK3 (Ser189)/MKK6 (Ser207) (D8E9) Rabbit mAb (upper), MKK3 (D4C3) Rabbit mAb #8535 (middle), or MKK6 (D31D1) Rabbit mAb #8550 (lower).
undefined Image 1: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Western blot analysis of extracts from NIH/3T3 cells, untreated (-) or treated with Anisomycin (25 μg/ml, 30 min; +), using Phospho-ATF-2 (Thr71)/ATF-7 (Thr53) (A8J7P) Rabbit mAb (upper), ATF-2/ATF-7 (A9G1M) Rabbit mAb #82870 (middle), or β-Actin (D6A8) Rabbit mAb #8457 (lower)
undefined Image 2: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Western blot analysis of extracts from untreated or UV+TPA-treated HeLa and COS cells, using Phospho-MAPKAPK-2 (Thr334) (27B7) Rabbit mAb (upper), or MAPKAPK-2 Antibody #3042 (lower).
undefined Image 3: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Orders: 877-616-CELL (2355) [email protected] Support: 877-678-TECH (8324) [email protected] Web: cellsignal.com
For Research Use Only. Not for Use in Diagnostic Procedures.

Revision 6

Cell Signaling Technology Logo
Western blot analysis of extracts from COS and 293 cells, untreated or UV-treated, using Phospho-p38 MAPK (Thr180/Tyr182) (D3F9) XP® Rabbit mAb (upper) or p38 MAPK Antibody #9212 (lower).
undefined Image 4: Phospho-p38 MAPK Pathway Antibody Sampler Kit
After the primary antibody is bound to the target protein, a complex with HRP-linked secondary antibody is formed. The LumiGLO® is added and emits light during enzyme catalyzed decomposition.
undefined Image 5: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Western blot analysis of extracts from 293 cells, transfected with wt MSK1 or mutant MSK1, untreated or TPA-treated (200 nM), using Phospho-MSK1 (Thr581) Antibody.
undefined Image 6: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Orders: 877-616-CELL (2355) [email protected] Support: 877-678-TECH (8324) [email protected] Web: cellsignal.com
For Research Use Only. Not for Use in Diagnostic Procedures.

Revision 6

Cell Signaling Technology Logo
Western blot analysis of extracts from HeLa or HT-29 cells, untreated (-) or treated (+) with either UV (40 mJ/cm2 with 30 min recovery) or anisomycin (25 μg/mL, 30 min), using Phospho-HSP27 (Ser82) (D1H2F6) XP® Rabbit mAb.
undefined Image 7: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Immunoprecipitation of phospho-MKK3 (Ser189)/MKK6 (Ser207) from HeLa cells, untreated or treated with TPA #4174 (200 nM, 15 min), using Phospho-MKK3 (Ser189)/MKK6 (Ser207) (D8E9) Rabbit mAb (lanes 3 and 4) or Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (lanes 5 and 6). Lanes 1 and 2 are 10% input. Western blot analysis was performed using

Phospho-MKK3 (Ser189)/MKK6 (Ser207) Antibody #9231. Mouse Anti-rabbit IgG (Conformation Specific) (L27A9) mAb #3678 was used as a secondary antibody.

undefined Image 8: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Western blot analysis of extracts from HeLa cells, mock transfected (-) or transfected with a construct expressing Myc-tagged full-length human ATF-2 protein (hATF-2-Myc; +) or a construct expressing Myc-tagged full-length human ATF-7 protein (hATF-7-Myc; +), using Phospho-ATF-2 (Thr71)/ATF-7 (Thr53) (A8J7P) Rabbit mAb (upper), Myc-Tag (71D10) Rabbit mAb #2278 (middle), and β-Actin (D6A8) Rabbit mAb #8457 (lower).
undefined Image 9: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Orders: 877-616-CELL (2355) [email protected] Support: 877-678-TECH (8324) [email protected] Web: cellsignal.com
For Research Use Only. Not for Use in Diagnostic Procedures.

Revision 6

Cell Signaling Technology Logo
Immunohistochemical analysis of paraffin-embedded human colon carcinoma using Phospho-p38 MAPK (Thr180/Tyr182) (D3F9) XP® Rabbit mAb.
undefined Image 10: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Western blot analysis of extracts from 293 cells, untreated, UV-treated or calyculin A-treated, using Phospho-MSK1 (Thr581) Antibody.
undefined Image 11: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Immunohistochemical analysis of paraffin-embedded human breast carcinoma, control (left) or λ phosphatase-treated (right), using Phospho-HSP27 (Ser82) (D1H2F6) XP® Rabbit mAb.
undefined Image 12: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Orders: 877-616-CELL (2355) [email protected] Support: 877-678-TECH (8324) [email protected] Web: cellsignal.com
For Research Use Only. Not for Use in Diagnostic Procedures.

Revision 6

Cell Signaling Technology Logo
Confocal immunofluorescent analysis of HeLa cells, untreated (left) or UV-treated (40 mJ/cm2 with 30 min recovery; right), using Phospho-MKK3 (Ser189)/MKK6 (Ser207) (D8E9) Rabbit mAb (green). Actin filaments were labeled with DY-554 phalloidin (red). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).
undefined Image 13: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Immunohistochemical analysis of paraffin-embedded mouse colon using Phospho-p38 MAPK (Thr180/Tyr182) (D3F9) XP® Rabbit mAb.
undefined Image 14: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Western blot analysis of extracts from 293 cells untreated or treated with UV and HeLa cells untreated or treated with calyculin A, using Phospho-MSK1 (Thr581) Antibody.
undefined Image 15: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Orders: 877-616-CELL (2355) [email protected] Support: 877-678-TECH (8324) [email protected] Web: cellsignal.com
For Research Use Only. Not for Use in Diagnostic Procedures.

Revision 6

Cell Signaling Technology Logo
Immunohistochemical analysis of paraffin-embedded mouse lung using Phospho-HSP27 (Ser82) (D1H2F6) XP® Rabbit mAb.
undefined Image 16: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Flow cytometric analysis of THP-1 cells, untreated (blue) or Anisomycin treated (green), using Phospho-ATF-2 (Thr71)/ATF-7 (Thr53) (A8J7P) Rabbit mAb compared to a nonspecific negative control antibody (red).
undefined Image 17: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Immunohistochemical analysis of paraffin-embedded 293T cell pellets, untreated (left) or UV-treated (right), using Phospho-p38 MAPK (Thr180/Tyr182) (D3F9) XP® Rabbit mAb.
undefined Image 18: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Orders: 877-616-CELL (2355) [email protected] Support: 877-678-TECH (8324) [email protected] Web: cellsignal.com
For Research Use Only. Not for Use in Diagnostic Procedures.

Revision 6

Cell Signaling Technology Logo
Immunohistochemical analysis of paraffin-embedded HeLa cell pellets, control (left) or UV-treated (right), using Phospho-HSP27 (Ser82) (D1H2F6) XP® Rabbit mAb.
undefined Image 19: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Immunohistochemical analysis of paraffin-embedded human lung carcinoma using Phospho-HSP27 (Ser82) (D1H2F6) XP® Rabbit mAb in the presence of control peptide (left) or antigen-specific peptide (right).
undefined Image 20: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Confocal immunofluorescent analysis of COS cells, untreated (left) or anisomycin-treated (right) using Phospho-p38 MAPK (Thr180/Tyr182) (D3F9) XP® Rabbit mAb (green). Actin filaments have been labeled with DY-554 phalloidin (red).
undefined Image 21: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Orders: 877-616-CELL (2355) [email protected] Support: 877-678-TECH (8324) [email protected] Web: cellsignal.com
For Research Use Only. Not for Use in Diagnostic Procedures.

Revision 6

Cell Signaling Technology Logo
Immunohistochemical analysis of paraffin-embedded human prostate carcinoma using Phospho-HSP27 (Ser82) (D1H2F6) XP® Rabbit mAb.
undefined Image 22: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Flow cytometric analysis of Jurkat cells, untreated (blue) or treated with Anisomycin (25µM, 30 min; green) using Phospho-p38 MAPK (Thr180/Tyr182) (D3F9) XP® Rabbit mAb (solid lines) or concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (dashed lines). Anti-rabbit IgG (H+L), F(ab')2 Fragment (Alexa Fluor® 488 Conjugate) #4412 was used as a secondary antibody.
undefined Image 23: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Confocal immunofluorescent analysis of C2C12 cells, untreated (left) or treated with λ phosphatase (middle), and NIH/3T3 cells (right) using Phospho-HSP27 (Ser82) (D1H2F6) XP® Rabbit mAb (green). Actin filaments were labeled with DY-554 phalloidin (red). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye). Negative staining in NIH/3T3 cells is in agreement with the observation that NIH/3T3 cells do not express HSP27 under basal conditions (5,7).
undefined Image 24: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Orders: 877-616-CELL (2355) [email protected] Support: 877-678-TECH (8324) [email protected] Web: cellsignal.com
For Research Use Only. Not for Use in Diagnostic Procedures.

Revision 6

Cell Signaling Technology Logo
Flow cytometric analysis of HeLa cells, untreated (blue) or UV-treated (green), using Phospho-HSP27 (Ser82) (D1H2F6) XP® Rabbit mAb.
undefined Image 25: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Simple Western™ analysis of lysates (0.1 mg/mL) from HeLa cells treated with UV using Phospho-p38 MAPK (Thr180/Tyr182) (D3F9) XP® Rabbit mAb #4511. The virtual lane view (left) shows the target band (as indicated) at 1:50 and 1:250 dilutions of primary antibody. The corresponding electropherogram view (right) plots chemiluminescence by molecular weight along the capillary at 1:50 (blue line) and 1:250 (green line) dilutions of primary antibody. This experiment was performed under reducing conditions on the Jess™ Simple Western instrument from ProteinSimple, a BioTechne brand, using the 12-230 kDa separation module.
undefined Image 26: Phospho-p38 MAPK Pathway Antibody Sampler Kit
Orders: 877-616-CELL (2355) [email protected] Support: 877-678-TECH (8324) [email protected] Web: cellsignal.com
For Research Use Only. Not for Use in Diagnostic Procedures.