Caspase-3 Antibody

9662:

IHC / Paraffin , Immunoprecipitation , Western Blotting

Caspase-3 Antibody detects endogenous levels of full length caspase-3 (35 kDa) and the large fragment of caspase-3 resulting from cleavage (17 kDa).

Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding the cleavage site of human caspase-3. Antibodies are purified by protein A and peptide affinity chromatography.

Western Blotting

Western blot analysis of extracts from Jurkat cells, untreated or etoposide-treated (25uM, 5hrs), and NIH/3T3 cells, untreated or staurosporine-treated (1uM, 3hrs), using Caspase-3 Antibody.

IHC-P (paraffin)

Immunohistochemical staining of paraffin-embedded human tonsil, showing cytoplasmic localization, using Caspase-3 Antibody.

Caspase-3 (CPP-32, Apoptain, Yama, SCA-1) is a critical executioner of apoptosis, as it is either partially or totally responsible for the proteolytic cleavage of many key proteins, such as the nuclear enzyme poly (ADP-ribose) polymerase (PARP) (1). Activation of caspase-3 requires proteolytic processing of its inactive zymogen into activated p17 and p12 fragments. Cleavage of caspase-3 requires the aspartic acid residue at the P1 position (2).

1. Fernandes-Alnemri, T. et al. (1994) J. Biol. Chem. 269, 30761-30764.
2. Nicholson, D. W. et al. (1995) Nature 376, 37-43.

• Erhardt, J. A. et al. (2001) Activation of caspase-3/caspase-3-like activity in rat cardiomyocytes by an RGD peptide, but not the GPIIb/IIIa antagonist lotrafiban. Thromb. Res. 103, 143-148. Applications: Western Blotting
• Marques, C. A. et al. (2003) Neurotoxic mechanisms caused by the Alzheimer's disease-linked Swedish amyloid precursor protein mutation:oxidative stress, caspases, and the JNK pathway. J Biol Chem 278 (30), 28294-302. Applications: Western Blotting
• Jeong, W. et al. (2004) Roles of TRP14, a thioredoxin-related protein in tumor necrosis factor-alpha signaling pathways. J Biol Chem. 279 (5), 3151-9. Applications: Western Blotting
• Ballestrero, A. et al. (2004) Tumor necrosis factor-related apoptosis-inducing ligand cooperates with anticancer drugs to overcome chemoresistance in antiapoptotic Bcl-2 family members-expressing Jurkats cells. Clin Cancer Res 10 (5), 1463-70. Applications: Western Blotting
• Chandrasekar, B. et al. (2004) Activation of intrinsic and extrinsic proapoptotic signaling pathways in interleukin-18-mediated human cardiac endothelial cell death. J. Biol. Chem. 279, 20221-20233. Applications: Western Blotting
• Nishihara, H. et al. (2003) Inhibition of apoptosis in normal and transformed intestinal epithelial cells by cAMP through induction of inhibitor of apoptosis protein (IAP)-2. PNAS 100 (15), 8921-8926. Applications: Western Blotting
• Yu, L. et al. (2002) TGF-beta receptor-activated p38 MAP kinase mediates Smad-independent TGF-beta responses. EMBO J. 21 (14), 3749-3759. Applications: Western Blotting
• Hara, H. et al. (2002) The apoptotic protease-activating factor 1-mediated pathway of apoptosis is dispensable for negative selection of thymocytes. J. Immunol. 168, 2288-2295. Applications: Western Blotting

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For Research Use Only. Not For Use In Diagnostic Procedures.