Key result
BIN1 mutations linked to centronuclear myopathy impair membrane tubulation by reducing protein density or disrupting oligomerization.
Why the study?
The molecular mechanisms by which BIN1 mutations associated with centronuclear myopathy disrupt membrane remodeling and T-tubule organization remain elusive.
Population
In vitro liposomes and in vivo live cells models studying BIN1 mutations
Comparison
BIN1 mutations K35N, D151N, R154Q vs wild-type N-BAR domain
Design
Preclinical experimental study
Authors
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BIN1 mutations may impair membrane remodeling in myopathy models; leaves open human validation and therapeutic targeting.
BIN1 mutations associated with centronuclear myopathy disrupt membrane remodeling through distinct mechanisms, including impaired protein density (R154Q) and defective oligomerization (D151N).
Wu et al. (2014) studied Centronuclear myopathy (in vitro and cellular models). BIN1 N-BAR domain mutations (K35N, D151N, R154Q) vs. Wild-type BIN1 N-BAR domain was evaluated on Membrane tubulation, protein density, and oligomerization. Mutations in the BIN1 N-BAR domain associated with centronuclear myopathy impair membrane tubulation by reducing membrane-bound protein density (R154Q) or disrupting protein oligomerization (D151N).
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