Английская Википедия:CD8.4

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CD8.4 is a murine chimeric coreceptor. The extracellular and transmembrane part of the coreceptor is from wild-type CD8 coreceptor, whereas the intracellular domain from CD4 coreceptor. This model was created to examine role of coreceptor coupling to Lck (lymphocyte-specific protein tyrosine kinase)[1] as the CD4 and CD8 coreceptors have an Lck-binding site in their intracellular domain. CD4 coreceptor has higher coupling to Lck in thymocytes than CD8 coreceptor.[2] CD8.4 coreceptor has similar coupling to Lck as CD4 coreceptor, while the MHC I-binding site remains identical to wild-type CD8. This chimeric coreceptor therefore enables addressing influence of different coupling to Lck on TCR signaling.

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Шаблон:Cell-biology-stub