Myotubularin phosphoinositide phosphatases: cellular functions and disease pathophysiology
摘要：
The myotubularin family of phosphoinositide phosphatases includes several members mutated in neuromuscular diseases or associated with metabolic syndrome, obesity, and cancer. Catalytically dead phosphatases regulate their active homologs by heterodimerization and potentially represent key players in the phosphatase–kinase balance. Although the enzymatic specificity for phosphoinositides indicates a role for myotubularins in endocytosis and membrane trafficking, recent findings in cellular and animal models suggest that myotubularins regulate additional processes including cell proliferation and differentiation, autophagy, cytokinesis, and cytoskeletal and cell junction dynamics. In this review, we discuss how myotubularins regulate such diverse processes, emphasizing newly identified functions in a physiological and pathological context. A better understanding of myotubularin pathophysiology will pave the way towards therapeutic strategies.
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关键词：
myopathy neuropathy phosphoinositides endocytosis phosphatase cytoskeleton signaling intermediate filament
DOI：
10.1016/j.molmed.2012.04.004
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年份：
2012
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