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Spinal muscular atrophy: From approved therapies to future therapeutic targets for personalized medicine.


ABSTRACT: Spinal muscular atrophy (SMA) is a devastating childhood motor neuron disease that, in the most severe cases and when left untreated, leads to death within the first two years of life. Recent therapeutic advances have given hope to families and patients by compensating for the deficiency in survival motor neuron (SMN) protein via gene therapy or other genetic manipulation. However, it is now apparent that none of these therapies will cure SMA alone. In this review, we discuss the three currently licensed therapies for SMA, briefly highlighting their respective advantages and disadvantages, before considering alternative approaches to increasing SMN protein levels. We then explore recent preclinical research that is identifying and targeting dysregulated pathways secondary to, or independent of, SMN deficiency that may provide adjunctive opportunities for SMA. These additional therapies are likely to be key for the development of treatments that are effective across the lifespan of SMA patients.

SUBMITTER: Chaytow H 

PROVIDER: S-EPMC8324491 | biostudies-literature | 2021 Jul

REPOSITORIES: biostudies-literature

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Spinal muscular atrophy: From approved therapies to future therapeutic targets for personalized medicine.

Chaytow Helena H   Faller Kiterie M E KME   Huang Yu-Ting YT   Gillingwater Thomas H TH  

Cell reports. Medicine 20210721 7


Spinal muscular atrophy (SMA) is a devastating childhood motor neuron disease that, in the most severe cases and when left untreated, leads to death within the first two years of life. Recent therapeutic advances have given hope to families and patients by compensating for the deficiency in survival motor neuron (SMN) protein via gene therapy or other genetic manipulation. However, it is now apparent that none of these therapies will cure SMA alone. In this review, we discuss the three currently  ...[more]

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