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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
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- 保质期:
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- 英文名:
Recombinant Human Thymus and Activation Regulated Chemokine (CCL17)
- 库存:
100
- 供应商:
艾美捷科技
- 规格:
1mg///20ug///5ug
【TARC】重组人胸腺活化调节趋化因子,Recombinant Human Thymus and Activation Regulated Chemokine (CCL17),TARC
产品名称:【TARC】重组人胸腺活化调节趋化因子-Recombinant Human Thymus and Activation Regulated Chemokine (CCL17) 产品货号:CHM-240 产品规格:1mg///20ug///5ug 来源宿主:大肠杆菌中重组表达
保存建议:【TARC】重组人胸腺活化调节趋化因子-Recombinant Human Thymus and Activation Regulated Chemokine (CCL17)人胸腺活化调节趋化因子(TARC)冻干粉末在室温可保存3周,或置于-18℃冻存用于长期保存.重新溶解后可以在4℃冷藏保存至少2-7天;如果想延长保存时间,建议分装(加载体蛋白如0.1% HSA或 BSA)后置于-18℃冻存.请避免反复冻融.
背景资料:TARC cDNA encodes a 94 amino acid precursor protein with a 23 amino acid residue signal peptide that is cleaved off to generate the 71 amino acid residue mature secreted protein. Along with CC chemokine family members, CCL-17 has approximately 24-29% amino acid sequence identity with RANTES, MIP-1?, MIP-1?, MCP-1, MCP-2, MCP-3 and I-309. TARC is expressed in thymus, and at a lower level in the lung, colon, and small intestine. TARC is in addition transiently expressed in stimulated peripheral blood mononuclear cells. Recombinant TARC has been shown to be chemotactic for T cell lines but not monocytes or neutrophils. CCL-17 was recently identified to be a specific functional ligand for CCR4, a receptor that is selectively expressed on T cells. CCL17 is one of quite a few Cys-Cys (CC) cytokine genes clustered on the q arm of chromosome 16. CCL17 shows chemotactic activity for T lymphocytes, but not monocytes or granulocytes. CCL17 binds to chemokine receptors CCR4 and CCR8. This chemokine plays important roles in T cell development in thymus as well as in trafficking and activation of mature T cells.
点击:【TARC】重组人胸腺活化调节趋化因子-Recombinant Human Thymus and Activation Regulated Chemokine (CCL17)查看更详细产品说明,更多应用、储存、价格、货期等信息请致电垂询艾美捷科技有限公司。更多prospec公司特色试剂盒、特色抗体以及特色试剂等产品评论,请点击查看艾美捷特色产品中心。
ProSpec 是一家全球著名细胞因子蛋白生产和研发的公司,具有20多年的生产经验,专注于蛋白(重组及合成)生产研发。我们的核心产品包括:干扰素、白介素、骨蛋白、肿瘤坏死因子、成纤维生长因子、瘦素、干细胞因子、催乳素、表皮生长因子、胰岛素样生长因子、神经生长因子、集落刺激因子、激素、酶、病毒抗原以及各种重组蛋白等。领先的生产工艺和规模使其可以提供毫克到克级蛋白,价格优于同类公司。绝大部分产品是天然成熟型蛋白,而不含有标签蛋白。考虑到大部分研究者希望能更灵活地配制蛋白溶液,ProSpec-Tany绝大部分产品没有添加保护剂或盐,这就对工艺提出了更高的要求。同时,ProSpec-Tany绝大部分产品为冻干粉,因此易于运输和保存。
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文献和实验Generation of Monoclonal Antibodies Against Chemokine Receptors
expression is finely regulated during leukocyte differentiation, maturation, and activation, causing each cell subpopulation to express a specific set of chemokine receptors. Although they were initially considered as simple leukocyte chemoattractants
【申请上传】Current Protocols in Immunology
3.16 Granule Enzyme Exocytosis Assay for Cytotoxic T Lymphocyte Activation Section IV Related Isolation Procedures and Functional Assays Unit 3.17 Measurement of Apoptosis and Other Forms of Cell Death Unit 3.18 Fetal Thymus Organ Culture for T Cell
28、CTLA-4的局限性表达(主要在T细胞)不同,PD-1可表达于活化的T细胞、B细胞和骨髓细胞,以及CD4-CD8-胸腺细胞[1]。PD-1有两个配体,PD-L1(B7-H1)和PD-L2(B7-DC),均为B7家族中的新成员,胞外都有1个IgV样区和1个IgC样区。PD-L1含有290个氨基酸,其胞外区与B7-1、B7-2分别有20%和15%的同源性,胞浆区变化多样,但二级结构同B7-1、B7-2非常相似。在基因水平上PD-L2与PD-L1有37.4%的同源性。PD-L1和PD-L2的表达与调节不同
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