The InstantOne™ ELISA is specifically engineered for accurate measurement of phosphorylated ERK 1/2 (human, mouse, hamster), p38 MAPK (human, mouse), and JNK 1/2 (human, mouse) in cell lysates. Detection of these phosphorylated molecules in rat is also expected. The InstantOne™ ELISA kit allows for fast analysis of samples in approximately one hour. All reagents used in a traditional sandwich ELISA are added in solution to a plate followed by a wash step and detection with the TMB colorimetric substrate.
MAP kinases play a significant role in many biological processes, including cell adhesion and spreading, cell differentiation and apoptosis. MAPKBP-1 (mitogen-activated protein kinase binding protein 1), also known as JNKBP-1, is a 1,514 amino acid protein that contains twelve WD repeats. Induced by TRAF2 (TNF receptor-associated factor 2) and Tak1 (TGF-β-activated kinase 1), MAPKBP-1 is thought to act an adaptor protein for NFκB (nuclear factor κ-B) activation. MAPKBP-1 interacts with JNK3 and may promote TRAF2 polyubiquitination. MAPKBP-1 exists as six alternatively spliced variants and is encoded by a gene located on human chromosome 15. Human chromosome 15 houses over 700 genes and comprises nearly 3% of the human genome. Angelman syndrome, Prader-Willi syndrome, Tay-Sachs disease and Marfan syndrome are all associated with defects in chromosome 15-localized genes.
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