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Nicastrin / NCSTN 抗体, 兔单抗

  • Nicastrin / NCSTN Antibody, Rabbit MAb, Immunofluorescence
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 NCSTN 抗体产品信息
免疫原:Recombinant Human Nicastrin / NCSTN protein (Catalog#11183-H08H)
克隆号:004
Ig 类型:Rabbit IgG
浓度:
内毒素:
缓冲液:0.2 μm filtered solution in PBS
抗体制备方法:This antibody was obtained from a rabbit immunized with purified, recombinant Human Nicastrin / NCSTN (rh Nicastrin / NCSTN; Catalog#11183-H08H; NP_056146.1; Met1-Glu669).
 NCSTN 抗体IF实验图片
Nicastrin / NCSTN Antibody, Rabbit MAb, Immunofluorescence
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Caption:
Immunofluorescence staining of Human NCSTN in Hela cells. Cells were fixed with 4% PFA, permeabilzed with 0.3% Triton X-100 in PBS, blocked with 10% serum, and incubated with rabbit anti-Human NCSTN monoclonal antibody (15 µg/ml) at 37℃ 1 hour. Then cells were stained with the Alexa Fluor® 488-conjugated Goat Anti-rabbit IgG secondary antibody (green) and counterstained with DAPI (blue). Positive staining was localized to cytoplasm.
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Nicastrin/NCSTN 研究背景

Nicastrin (NCST, or NCT), a single-pass membrane glycoprotein that harbors a large extracellular domain, is an essential component of the gamma-secretase complex. Several lines of evidence indicate that the members of these complexes could also contribute to the control of cell death. NCT controls cell death via phosphoinositide 3-kinase/Akt and p53-dependent pathways and that this function remains independent of the activity and molecular integrity of the gamma-secretase complexes. Increasing evidences have shown that Nicastrin/NCSTN plays a crucial role in gamma-cleavage of the amyloid precursor protein (APP). The glycoprotein Nicastrin is an essential component of the gamma-secretase complex, a high molecular weight complex which also contains the presenilin proteins, Aph-1 and Pen-2. The gamma-secretase complex is not only involved in APP processing but also in the processing of an increasing number of other type I integral membrane proteins. As the largest subunit of the gamma-secretase complex, Nicastrin plays a crucial role in its activation. Inhibition of NCSTN demonstrated an altered gamma-cleavage activity, suggesting its potential implication in developing Alzheimer's disease (AD). In addition, Nicastrin can function to maintain epithelial to mesenchymal transition during breast cancer progression. Anti-nicastrin polyclonal and monoclonal antibodies were able to decrease notch1 and vimentin expression and reduced the invasive capacity of breast cancer cells in vitro.

 Nicastrin/NCSTN 参考资料
  • He G, et al. (2007) Degradation of nicastrin involves both proteasome and lysosome. J Neurochem. 101(4): 982-92.
  • Hayashi I, et al. (2009) Single chain variable fragment against nicastrin inhibits the gamma-secretase activity. J Biol Chem. 284(41): 27838-47.
  • Ma Z, et al. (2009) Association between promoter polymorphisms of the nicastrin gene and sporadic Alzheimer's disease in North Chinese Han population. Neurosci Lett. 458(3): 136-9.
  • Pardossi-Piquard R, et al. (2009) p53-dependent control of cell death by nicastrin: lack of requirement for presenilin-dependent gamma-secretase complex. J Neurochem. 109(1): 225-37.
  • Filipovi? A, et al. (2011) Biological and clinical implications of nicastrin expression in invasive breast cancer. Breast Cancer Res Treat. 125(1): 43-53.
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    货号: 11183-R004-100
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