RNA splicing: More clues from spinal muscular atrophy
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RNA splicing: More clues from spinal muscular atrophy
Spinal muscular atrophy is caused by mutations in the SMN1 gene, the product of which is part of a multi-component complex involved in the assembly of small nuclear ribonucleoproteins. A recent study indicates that SMN may also play a role in pre-mRNA splicing.
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Mutation or deletion of one of the two genes encoding a protein known as SMN has recently been shown to cause spinal muscular atrophy. The SMN protein has been found to be part of a multi-component complex that appears to function in the assembly of cellular ribonucleoprotein particles.
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Spinal muscular atrophy (SMA) is a genetic disorder which affect nervous system and is characterized with progressive distal motor neuron weakness. The survival motor neuron (SMN) protein level reduces in patients with SMA. Two different genes code survival motor neuron protein in human genome. Skeletal and intercostal muscles denervation lead to weakness, hypotony, hyporeflexia, respiratory fa...
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ژورنال
عنوان ژورنال: Current Biology
سال: 1999
ISSN: 0960-9822
DOI: 10.1016/s0960-9822(99)80083-9