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9905
TPA (Phorbol-12-Myristate-13-Acetate)
Activators & Inhibitors
Chemical Modulators

TPA (Phorbol-12-Myristate-13-Acetate) #9905

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Product Usage Information

TPA is supplied as a 200 μM stock in DMSO. For standard 200 nM treatment, dilute 1000X.

Storage

Store lyophilized or in solution at -20°C. In lyophilized form, the chemical is stable for 24 months. Once in solution, use within 3 months to prevent loss of potency.

Product Description

TPA (12-O-tetradecanoylphorbol-13-acetate) / PMA (phorbol-12-myristate-13-acetate) is soluble in DMSO and ethanol. DMSO solutions can be stored at -20ºC, in the absence of light, for at least six months. A 200 nM TPA treatment is standard to induce signaling.
MW (kDa) 616.84

Background

TPA (12-O-tetradecanoylphorbol-13-acetate) / PMA (phorbol-12-myristate-13-acetate) is the most commonly used phorbol ester. It binds and activates protein kinase C, causing a wide range of effects in cells and tissues (1,2). TPA has been demonstrated to be a potent tumor promoter in mouse skin (3). Conversely, it has been shown to be an effective cancer therapeutic agent in myelocytic leukemia patients, and has been indicated as a potential colorectal cancer therapeutic (4-5). TPA has also been shown to increase white blood cell and neutrophil counts in solid tumor cancer patients (6).
  1. Rebois, R.V. and Patel, J. (1985) J Biol Chem 260, 8026-31.
  2. Blumberg, P.M. (1980) Crit Rev Toxicol 8, 153-97.
  3. Fürstenberger, G. et al. (1981) Proc Natl Acad Sci U S A 78, 7722-6.
  4. Han, Z.T. et al. (1998) Proc Natl Acad Sci U S A 95, 5357-61.
  5. Lee, H.W. et al. (2002) J Biol Chem 277, 32624-31.
  6. Han, Z.T. et al. (1998) Proc Natl Acad Sci U S A 95, 5362-5.

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.
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