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• W3099997145 abstract "Spinal Muscular Atrophy (SMA) is the most common genetic disease affecting infants and young adults. Due to mutation/deletion of the Survival Motor Neuron (SMN) gene, SMA is characterized by the SMN protein lack, resulting in motor neuron impairment, skeletal muscle atrophy and premature death. Even if the genetic causes of SMA are well known, many aspects of its pathogenesis remain unclear and only three drugs have been recently approved by the FDA (Nusinersen - Spinraza; Onasemnogene abeparvovec or AVXS-101 - Zolgensma; Risdiplam - Evrysdi): although assuring remarkable results, the therapies show some important limits including high costs, still unknown long-term effects, side effects and disregarding of SMN-independent targets. Therefore, the research of new therapeutic strategies is still a hot topic in the SMA field and many efforts are spent in drug discovery. In this review, we describe two promising strategies to select effective molecules: drug screening (DS) and drug repositioning (DR). By using compounds libraries of chemical/natural compounds and/or FDA-approved substances, DS aims at identifying new potentially effective compounds, whereas DR at testing drugs originally designed for the treatment of other pathologies. The drastic reduction in risks, costs and time expenditure assured by these strategies make them particularly interesting, especially for those diseases for which the canonical drug discovery process would be long and expensive. Interestingly, among the identified molecules by DS/DR in the context of SMA, besides the modulators of SMN2 transcription, we highlighted a convergence of some targeted molecular cascades contributing to SMA pathology, including cell death related-pathways, mitochondria and cytoskeleton dynamics, neurotransmitter and hormone modulation." @default.
• W3099997145 created "2020-11-23" @default.
• W3099997145 creator A5041174491 @default.
• W3099997145 creator A5062621187 @default.
• W3099997145 creator A5081659699 @default.
• W3099997145 creator A5081773750 @default.
• W3099997145 date "2020-11-12" @default.
• W3099997145 modified "2023-10-11" @default.
• W3099997145 title "Drug Screening and Drug Repositioning as Promising Therapeutic Approaches for Spinal Muscular Atrophy Treatment" @default.
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