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Description :Recombinant human MDM2 (202-end) was expressed in E. coli cells using an N-terminal GST tag.
Tag :GST tag
Genbank Number :NM_002392
Purity :Sample Purity Data. For specific information on a given lot, see related technical data sheet.
Storage, Stability and Shipping :Store product at –70oC. For optimal storage, aliquot target into smaller quantities after centrifugation and store at recommended temperature. For most favorable performance, avoid repeated handling and multiple freeze/thaw cycles.
Applications :Western Blot
Molecular Weight :~84 kDa
Gene Aliases :HDMX, hdm2, MGC71221
Scientific Background :MDM2 is a nuclear phosphoprotein that binds and inhibits transactivation by p53, as part of an autoregulatory negative feedback loop (1). Overexpression of the MDM2 gene product can lead to excessive inactivation of p53 thereby diminishing its tumor suppressor function. The inactivation of p53 is mediated by the E3 ubiquitin ligase activity of MDM2 which targets p53 for proteasomal degradation. MDM2 also affects the cell cycle, apoptosis, and tumorigenesis through interactions with other proteins, including retinoblastoma 1 and ribosomal protein L5 (2). Amplification of MDM2 is frequently observed in human sarcomas and this is consistent with the hypothesis that MDM2 binds to p53 which then leads to escape from p53-regulated growth control.
1. Engel, T. et al: Elevated p53 and lower MDM2 expression in hippocampus from patients with intractable temporal lobe epilepsy. Epilepsy Res. 2007;77(2-3):151-6
2. Liu, G. et al: Genetic polymorphisms of MDM2, cumulative cigarette smoking and nonsmall cell lung cancer risk. Int J Cancer. 2008;122(4):915-8
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Research Areas :Cancer, AKT/PKB Pathway, Apoptosis/Autophagy, Cell Cycle, Cellular Stress, Cancer, AKT/PKB Pathway, Apoptosis/Autophagy, Cell Cycle, Cellular Stress