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Ancell/CD28-muIg/25 g/508-030

  • 产品编号: 508-030
  • 美  元  价: $375.00
  • 市  场  价: ¥7500.00
  • 品       牌: Ancell
  • 产       地: 美国(厂家直采)
  • 公       司: Ancell
  • 产品分类: 生化试剂>生物分子>储存液>
  • 公司分类:
Ancell/CD28-muIg/25 g/508-030
  • Ancell/CD28-muIg/25 g/508-030
商品介绍

Human CD28 is an important costimulatory molecule found on all CD4+ T cells and on about half of the CD8+T cells. T cell activities attributed to CD28 include prevention of anergy, induction of cytokine gene transcription, stabilization of cytokine mRNAs and activation of CD8+ cytotoxic T lymphocytes. The ligands for CD28 identified as CD80 (B7-1) and CD86 (B7-2), are immunoglobulin superfamily monomeric transmembrane glycoprotein of 60 kd and 80 kd, respectively. Monovalencyof the CD28 receptor for its natural ligands is essential to providecostimulation without inducing responses in the absense of TCRengagement (5)

Molecular Structure:A soluble fusion protein consisting of the mature extracellular (134aa) domain of human CD28: nkilvkqspmlvaydnavnlsckysynlfsrefraslhkgldsavevcvvygnysqqlqvysktgfncdgklgnesvtfylqnlyvnqtdiyfckievmypppyldneksngtiihvkgkhlcpsplfpgpskp

+linker: gt

fused to murine IgG2a Fc + hinge (233aa): eprgptikpcppckcpapnllggpsvfifppkikdvlmislspivtcvvvdvseddpdvqiswfvnnvevhtaqtqthredynstlrvvsalpiqhqdwmsgkefkckvnnkdlpapiertiskpkgsvrapqvyvlpppeeemtkkqvtltcmvtdfmpediyvewtnngktelnykntepvldsdgsyfmysklrvekknwvernsyscsvvheglhnhhttksfsrtpg

predicted (non glycosylated ) monomeric molecular weight: 41.8 kd

predicted extinction coeficient: 1.13 OD for a 1mg/ml solution

Transfectant Cell Line: CHO

Functional Application: Recombinant human CD28 -muIg fusion protein blocks binding of anti-human CD28 to human tumor cells. In combination with IFN-gamma, CD28-muIg can stimulate dendritic cells in when a crosslinking agent is included (6).

References:

1. M.K. Jenkins & J.G. Johnson, (1993) Curr Opin Immunol 5: 361-367.

2. 61st Forum in Immunology, (1995) Res Immunol 146: 127-205.

3.I. Kariv, A. Truneh & R.W. Sweet, (1996) J Immunol 157: 29-38.

4. R.J. Peach, Linsley P.S., et al. J Biol Chem (1995) 270(36): 21181-21187.

5) K M Dennehy, T Hunig, et al, (2006) J Immunol 176: 5725-5729.

6. D H Munn, M D Sharma, A L Mellor (2004) J immunol 172(7): 4100-10. PMID: 15034022

品牌介绍

Ancell世界著名的专注做人种属的流试抗体提供商。提供FITC、PE、APC、生物素和纯化human 抗体,可用于流式,FA 实验。并提供融合蛋白。

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