A synthetic peptide corresponding to residues in the C-term of human PUMA was used as immunogen. This antibody is predicted to detect both isoforms based on sequence analysis. The isoform B is ~18 kDa and isoform A is ~ 24kDa. Isoform B is primarily recog
50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
PUMA, (p53 upregulated modulator of apoptosis), is activated by p53 in cells undergoing p53-induced apoptosis (1-2). Localized in the mitochondria PUMA induces cytochrome c release and activates the rapid induction of programmed cell death. PUMA interacts with Bcl2 (3), Bcl-XL, Bcl2-like-1 protein and promotes mitochondrial translocation and multimerization of BAX. PUMA also plays a role in mediating p53-induced cell death through the cytochrome c/APAF1-dependent pathway (2). Two isoform of PUMA are known; PUMA-alpha and PUMA-beta.
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(A) Immunohistochemical analysis of paraffin-embedded human ovary carcinoma using anti-PUMA (C-term); (B) Immunohistochemical analysis of paraffin-embedded human breast carcinoma using anti-PUMA (C-term)