spinal muscular atrophy type 2

spinal muscular atrophy type 2

An autosomal recessive condition (OMIM:253500) characterised by degeneration of the anterior horn cells of the spinal cord, leading to symmetrical muscle weakness and atrophy. Disease severity is inversely proportional to the copy number of SMN2, a copy gene which predominantly produces exon 7-skipped transcripts and only low amount of full-length transcripts that encode for a protein identical to SMN1. SMA2 is a more banal form than SMA1, with onset between age 6 and 18 months; patients do not reach the developmental milestone of standing, but survive into adulthood.

Molecular pathology
Defects of SMN1, which encodes a survival motor neuron protein, cause spinal muscular atrophy types 1–4.
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Newcastle had been the only location in the country set to take part in the 'Cherish clinical trial' for patients with later-onset of Spinal Muscular Atrophy type 2.
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In September of 2011, in response to the devastating news that their youngest child (born in June of 2010) had been diagnosed with Spinal Muscular Atrophy Type 2, the Castens decided to design a bracelet collection that would benefit research efforts for treatments and a cure for this terminal disease.
Mama Bracelets Making a Difference for Families of SMA
type 1 (Werdnig-Hoffmann disease) Spinal muscular atrophy type 2 Spinal muscular atrophy
Facts about spinal muscular atrophy

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