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Home»Business»Innovation»Potential New Gene Therapy Treatment for Infants with Spinal Muscular Atrophy
Innovation

Potential New Gene Therapy Treatment for Infants with Spinal Muscular Atrophy

News RoomBy News RoomJuly 31, 20240 ViewsNo Comments3 Mins Read
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A recent Harvard study introduces a new method for treating spinal muscular atrophy, a rare genetic disorder that affects a baby’s ability to move, breathe, and grow normally. The study used “base editing” to target the disease’s root cause by modifying the survival motor neuron gene. This breakthrough offers hope to families around the world who have been devastated by the impact of spinal muscular atrophy on their children.

Spinal muscular atrophy affects the nerves that control muscle movement, leading to progressive weakening in infants. Basic activities like lifting their heads, rolling over, and breathing become challenging for those with this condition. The new gene therapy method aims to provide a one-time treatment by targeting the survival motor neuron 2 gene and restoring normal survival motor neuron protein levels to reverse the symptoms of spinal muscular atrophy in cell and mouse models.

The study tested various base editing and nuclease strategies to modify five regulatory regions in the survival motor neuron 2 gene. By editing this gene to produce more of the necessary protein that SMA patients lack, the new technique showed promising results in laboratory tests. The treatment dramatically increased protein levels, with some cases reaching 50 times higher than before treatment, and 87% of targeted cells showing the desired genetic change.

Kangen Water

Combining the base editing treatment with the antisense oligonucleotide drug nusinersen in animal studies resulted in a significant extension of lifespan. Treated animals lived an average of 111 days, compared to just 17 days for untreated animals. This research opens up new possibilities for future treatments of spinal muscular atrophy and potentially other genetic disorders, as base editing offers a precise and efficient way to correct genetic mutations.

The implications of this study are vast, as successful translation of base editing from mouse models to human patients could revolutionize the treatment of spinal muscular atrophy. The one-time treatment approach aims to preserve natural regulatory mechanisms of survival motor neuron expression, potentially reducing the risk of long-term toxicity and the need for repeated dosing. The success of base editing in this study brings hope to families affected by spinal muscular atrophy and offers a glimpse into a future where gene therapy could provide lasting solutions for genetic disorders.

Overall, this research on gene therapy for spinal muscular atrophy presents a promising path forward in the field of regenerative medicine. By permanently correcting survival motor neuron protein levels using base editing, this innovative approach could significantly improve the quality of life for patients with spinal muscular atrophy. With the potential to expand to other genetic disorders, base editing holds the promise of transforming healthcare and providing hope to those in need of effective treatments.

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