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New insights into SMA pathogenesis: immune dysfunction and neuroinflammation.


ABSTRACT: Spinal muscular atrophy (SMA) is a neuromuscular disorder characterized by motor neuron degeneration, although defects in multiple cell types and tissues have also been implicated. Three independent laboratories recently identified immune organ defects in SMA. We therefore propose a novel pathogenic mechanism contributory to SMA, resulting in higher susceptibility to infection and exacerbated disease progression caused by neuroinflammation. Overall, compromised immune function could significantly affect survival and quality of life of SMA patients. We highlight the recent findings in immune organ defects, their potential consequences on patients, our understanding of neuroinflammation in SMA, and new research hypotheses in SMA pathogenesis.

SUBMITTER: Deguise MO 

PROVIDER: S-EPMC5497530 | biostudies-other | 2017 Jul

REPOSITORIES: biostudies-other

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