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Tau proteins are microtubule associated proteins encoded by the MAPT gene, with alternative splicing of MAPT pre mRNA generating six Tau isoforms in the human central nervous system, including Tau isoform 4, which is particularly relevant to neurological health and disease. Tau isoform 4 contains microtubule binding domains and is distinguished by specific exon composition, most notably inclusion of exon 10, which influences microtubule binding strength and stability, thereby contributing to its unique structural and functional properties. Functionally, Tau isoform 4 plays a critical role in the assembly and stabilization of neuronal microtubules, supporting axonal integrity, intracellular transport, and neuronal morphology. Under pathological conditions, abnormal splicing or post translational modifications such as hyperphosphorylation can impair Tau function, promoting the formation of insoluble neurofibrillary tangles, a hallmark of Alzheimers disease and other tauopathies; consequently, understanding the role of Tau isoform 4 provides important insight into neurodegenerative mechanisms and potential therapeutic strategies.
仅用于科研。不用于诊断过程。未经明确授权不得转售。