CD8伪 is a crucial immune glycoprotein that plays a vital role in the immune response by serving as a co-receptor for the T-cell receptor (TCR) on cytotoxic T cells. It forms either a homodimer (伪/伪) or a heterodimer with CD8尾 (伪/尾) to interact with MHC class I molecules on antigen-presenting cells (APCs), facilitating the recognition of intracellular pathogens such as viruses. CD8伪 also recruits the LCK kinase, which initiates downstream signaling pathways essential for T-cell activation and proliferation. This molecule is critical for the function of cytotoxic T lymphocytes (CTLs) and is involved in various immune-related diseases, including immunodeficiencies and autoimmune conditions.
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