WebB7 家族蛋白是在抗原呈递细胞 (APC) 或肿瘤细胞上表达的共信号分子,它与 T 细胞表达的 CD28 家族免疫受体相互作用,以此来转导调节 T 细胞活化的共刺激或共抑制信号(第二信号)。 B7-CD28 家族配体-受体相互作用 B7-1、B7-2、CD28 和 CTLA-4 B7-1/CD80 和 B7-2/CD86 通过分别与 CD28 或 CTLA-4 结合来介导 T 细胞共刺激或共抑制作用。 CTLA-4 … WebB7-H3 分子别名 B7-H3,CD276,B7 homolog 3 B7-H3 分子背景 B7 homolog 3 (B7-H3), a member of the immunoglobulin superfamily, is also known CD276, which contains two Ig-like C2-type (immunoglobulin-like) domains and two Ig-like V-type (immunoglobulin-like) domains. B7-H3 may participate in the regulation of T-cell-mediated immune response.
B7家族タンパク質 Sino Biological
Web1.初始b细胞不表达b7分子,在初次免疫应答时,主要由dc细胞摄取加工抗原后激活初始cd4+t细胞的活化,增殖和分化为th细胞。另一方面,b细胞通过bcr结合抗原后可介导抗原的内吞,并通过抗原加工提呈以抗原肽-mhc ii类复合物的形式表达在b细胞表面供t细胞识别。 WebB7-1分子,免疫学术语。 中文名称 B7-1分子 英文名称 B7-1 定 义 即CD80,属B7家族成员,可提供T细胞活化的协同刺激信号。 应用学科 免疫学(一级学科),免疫系统(二级 … dakota family foods online shopping
肿瘤免疫 广谱抗癌靶点:B7-H3/B7-H4 肿瘤_新浪财经_新浪网
WebNov 15, 2024 · On 23 March 2024, Consul-General Tor Saralamba welcomed Khun Bui Porntip Simon, Founder and President of Angels Wings Foundation, at the Thai … B7 is a type of integral membrane protein found on activated antigen-presenting cells (APC) that, when paired with either a CD28 or CD152 (CTLA-4) surface protein on a T cell, can produce a costimulatory signal or a coinhibitory signal to enhance or decrease the activity of a MHC-TCR signal between the APC and the T cell, respectively. Binding of the B7 of APC to CTLA-4 of T-cells causes inhibition of the activity of T-cells. Web小鼠B7-2使用,可溶性白细胞分化elisa分次大鼠血小板生成素代测免费(TPO)试剂盒购买人妊疱疹抗体代测免费(HG)... 环保在线 行业产品 biotic and abiotic features of tundra