Gads binds CD28

GADS (Grb2-related adaptor protein 2) plays a crucial role in CD28-mediated NF-kB activation, which is vital for effective T cell activation and immune responses. This signal is mediated by the direct binding of GADS to the YMNM motif in the cytoplasmic tail of CD28. Additionally, the proline-rich PxxP motif in CD28 is also required for the optimal association of Gads with the CD28 signaling complex. These interactions help bridge CD28 with other intracellular signaling pathways, ensuring robust NF-kB activation and subsequent T cell proliferation and cytokine production (Watanabe et al. 2006).

GADS（Grb2相关适配蛋白2）在CD28介导的NF-kB激活过程中发挥着至关重要的作用，这对于有效的T细胞活化和免疫反应至关重要。此信号通过GADS与CD28细胞质尾部的YMNM基序的直接结合而介导。此外，CD28中的富含脯氨酸的PxxP基序对于Gads与CD28信号复合物的最佳结合也是必不可少的。这些相互作用有助于将CD28与其他细胞内信号通路相连接，确保NF-kB的有效激活以及随后的T细胞增殖和细胞因子产生（Watanabe等，2006年）。