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重组人CD279蛋白|重组人程序性死亡分子蛋白
英文名称:Human CD279 Protein, His Tag, Avi Tag总访问:546
国产/进口:国产半年访问:15
产地/品牌:卡梅德生物科技(天津)有限公司产品类别:生化试剂
规       格:KMP2259 最后更新:2025-1-14
货       号:KMP2259
CAS   号:
参考报价:3680
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产品编号: KMP2259
产品名称: Human CD279 Protein, His Tag, Avi Tag
中文名称: 重组人CD279蛋白
中文全称: 重组人程序性死亡分子蛋白
关键词: 程序性死亡分子, Programmed cell death protein 1, hPD-1, PDCD1, CD279, Human CD279 Protein, His Tag, Avi Tag, Recombinant Protein, KMP2259

物种: Human
宿主: HEK293 Cells
规格: 50ug, 100ug, 200ug
纯化方式: Affinity purification
纯度: >95% as determined by SDS-PAGE
内毒素水平: <1.0 EU/ug determined by the LAL method
缓冲体系: PBS, pH7.4
Uniprot: Q15116
SDS-PAGE: KMP2259 SDS-PAGE image1.png
功能: Inhibitory receptor on antigen activated T-cells that plays a critical role in induction and maintenance of immune tolerance to self (PubMed:21276005).
Delivers inhibitory signals upon binding to ligands CD274/PDCD1L1 and CD273/PDCD1LG2 (PubMed:21276005).
Following T-cell receptor (TCR) engagement, PDCD1 associates with CD3-TCR in the immunological synapse and directly inhibits T-cell activation (By similarity).
Suppresses T-cell activation through the recruitment of PTPN11/SHP-2: following ligand-binding, PDCD1 is phosphorylated within the ITSM motif, leading to the recruitment of the protein tyrosine phosphatase PTPN11/SHP-2 that mediates dephosphorylation of key TCR proximal signaling molecules, such as ZAP70, PRKCQ/PKCtheta and CD247/CD3zeta (By similarity).
The PDCD1-mediated inhibitory pathway is exploited by tumors to attenuate anti-tumor immunity and escape destruction by the immune system, thereby facilitating tumor survival (PubMed:28951311).
The interaction with CD274/PDCD1L1 inhibits cytotoxic T lymphocytes (CTLs) effector function (PubMed:28951311).
The blockage of the PDCD1-mediated pathway results in the reversal of the exhausted T-cell phenotype and the normalization of the anti-tumor response, providing a rationale for cancer immunotherapy (PubMed:22658127, PubMed:25034862, PubMed:25399552).
产品背景: Programmed cell death protein 1(PDCD1) is a single-pass type I membrane protein and contains 1 Ig-like V-type domain. PD-1 is a member of the extended CD28/CTLA-4 family of T cell regulators. PDCD1 inhibits the T-cell proliferation and production of related cytokines including IL-1, IL-4, IL-10 and IFN-γ by suppressing the activation and transduction of PI3K/AKT pathway. In addition, coligation of PDCD1 inhibits BCR-mediating signal by dephosphorylating key signal transducer. PDCD1 has been suggested to be involved in lymphocyte clonal selection and peripheral tolerance, and thus contributes to the prevention of autoimmune diseases. As a cell surface molecule, PDCD1 regulates the adaptive immune response. Engagement of PD-1 by its ligands PD-L1 or PD-L2 transduces a signal that inhibits T-cell proliferation, cytokine production, and cytolytic function.
保存条件: Aliquot and store at -20℃ to -80℃. Avoid repeated freezing and thawing cycles.
运输条件: In general, the proteins are provided as lyophilized powder which are shipped at ambient temperature. They are shipped out in dry ice if supplied in liquid form.
说明: This product is for research use only.
具体参数链接: https://www.kmdbioscience.cn/
参考文献: 1.Ann. N. Y. Acad. Sci. 1217:45-59 (2011)
2.N. Engl. J. Med. 366:2443-2454 (2012)
3.Lancet 384:1109-1117 (2014)
4.N. Engl. J. Med. 372:320-330 (2015)
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