深圳欣博盛生物科技有限公司 a1

VISTA (human):COMP (mouse) (rec.) (His)
货号:AG-40B-0183-C050 规格:50 ug 目录价:¥5040
产品详情
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产品名称:
VISTA (human):COMP (mouse) (rec.) (His)
别名:
V-type Immunoglobulin Domain-containing Suppressor of T Cell Activation; Platelet Receptor Gi24; Stress-induced Secreted Protein-1; Sisp-1; V-set Domain-containing Immunoregulatory Receptor
产品描述:
Human VISTA is a 55 to 65kDa type I Ig membrane protein with the extracellular domain homologous to PD-L1. VISTA is mainly expressed on hematopoietic tissues (spleen, thymus and bone marrow) and on myeloid cells with lower expression on CD4+ and CD8+ T cells. VISTA is a new negative checkpoint regulator that potently suppresses T cell activation. Overexpression of VISTA on tumors inhibits the protective anti-tumor immunity and blockade of VISTA enhances antitumor immunity in multiple tumor models. VISTA on APC delivers negative signaling to T cells via a yet-to-identify binding partner on T cells. Recently, it has been reported that the recombinant VISTA protein needs to be multimerized to be active as soluble ligand. The protein VISTA (human):COMP (mouse) (with the extracellular domain of VISTA (human) fused to the pentamerization domain from the cartilage oligomeric matrix protein (COMP)), but not VISTA-Fc, functions as an immunosuppressive agonist in vivo inhibiting the proliferation of CD4+ T cells.
宿主来源:
HEK 293 cells
产品浓度:
1mg/ml after reconstitution
保存温度:
+4°C
运输温度:
BI
预期分子量:
~40-55kDa (SDS-PAGE) and >500kDa (Size Exclusion Chromatography (SEC))
产品形式:
solid
存储溶液:
Lyophilized. Contains PBS.
产地:
瑞士
纯度:
>95% (SDS-PAGE)
内毒素水平:
<0.01EU/µg purified protein (LAL test).
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