Tyrosine kinase receptors are a class of membrane receptors that, upon binding with specific ligands such as growth factors, activate their intrinsic tyrosine kinase activity, leading to autophosphorylation and the initiation of various signal transduction pathways. These receptors play a crucial role in regulating numerous cellular processes, including growth, differentiation, metabolism, and apoptosis, by propagating signals from outside the cell to the intracellular machinery.
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