Lamin A

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Lamin A is one of the intermediate filament proteins that weave together to form a shell called the nuclear lamina which lines the inner surface of the nucleus of every eukaryotic cell. Lamin A and its closely related variant, Lamin C, are both derived from the same gene by Alternative splicing of a shared pre-mRNA transcript.

The Lamin A gene is located on chromosome 1, and mutations in its sequence have been shown to cause diseases such as Progeria and Muscular Dystrophy (also see: laminopathies).