Transcription Factor YY1 Human, Recombinant (DELTA, NF-E1, UCRBP, Yin Yang 1)
Catalog No : USB-T8195-90
611.51€
0.00€
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| Product name | Transcription Factor YY1 Human, Recombinant (DELTA, NF-E1, UCRBP, Yin Yang 1) | ||
|---|---|---|---|
| Catalog No | USB-T8195-90 | ||
| Supplier’s Catalog No | T8195-90 | ||
| Supplier | US Biologicals | ||
| Source antigen | Human, Recombinant | ||
| Reactivity | |||
| Cross reactivity | |||
| Applications | |||
| Molecular weight | |||
| Storage | -70°C | ||
|---|---|---|---|
| Other names | |||
| Grade | Highly Purified | ||
| Purity | ≥ 95% (SDS-PAGE), purified using a Ni-NTA-agarose column. | ||
| Form | Supplied as a liquid in 20% glycerol. | ||
| Reactivity life | 6 months | ||
| Note | For reserch purpose only | ||
| Purity | ≥ 95% (SDS-PAGE), purified using a Ni-NTA-agarose column. | ||
| Description | The ubiquitous transcription factor Yin Yang 1 (YY1) is known to have a fundamental role in normal biologic processes such as embryogenesis, differentiation, replication, and cellular proliferation. YY1 exerts its effects on genes involved in these processes via its ability to initiate, activate, or repress transcription depending upon the context in which it binds. Mechanisms of action include direct activation or repression, indirect activation or repression via cofactor recruitment, or activation or repression by disruption of binding sites or conformational DNA changes. YY1 activity is regulated by transcription factors and cytoplasmic proteins that have been shown to abrogate or completely inhibit YY1-mediated activation or repression; however, these mechanisms have not yet been fully elucidated. Since expression and function of YY1 are known to be intimately associated with progression through phases of the cell cycle, the physiologic significance of YY1 activity has recently been applied to models of tumor biology. The majority of the data are consistent with the hypothesis that YY1 overexpression and/or activation is associated with unchecked cellular proliferation, resistance to apoptotic stimuli, tumorigenesis and metastatic potential. Studies involving hematopoetic tumors, epithelial-based tumors, endocrine organ malignancies, hepatocellular carcinoma, and retinoblastoma support this hypothesis. Molecular mechanisms that have been investigated include YY1-mediated downregulation of p53 activity, interference with poly-ADP-ribose polymerase, alteration in c-myc and nuclear factor-kappa B (NF-kappaB) expression, regulation of death genes and gene products, and differential YY1 binding in the presence of inflammatory mediators. Further, recent findings implicate YY1 in the regulation of tumor cell resistance to chemotherapeutics and immune-mediated apoptotic stimuli. Taken together, these findings provide strong support of the hypothesis that YY1, in addition to its regulatory roles in normal biologic processes, may possess the potential to act as an initiator of tumorigenesis and may thus serve as both a diagnostic and prognostic tumor marker; furthermore, it may provide an effective target for antitumor chemotherapy and/or immunotherapy. Protein produced in E. coli as a His6-tagged protein Stability: At least 1 year at -80°C. | ||
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