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Onasemnogene abeparvovec, sold under the brand name Zolgensma, is a gene therapy used to treat spinal muscular atrophy (SMA), [6] [7] a disease causing muscle function loss in children. It involves a one-time infusion of the medication into a vein. [6] It works by providing a new copy of the SMN gene that produces the SMN protein. [6]
SMN1 is the telomeric copy of the gene encoding the SMN protein; the centromeric copy is termed SMN2. SMN1 and SMN2 are part of a 500 kbp inverted duplication on chromosome 5q13. This duplicated region contains at least four genes and repetitive elements which make it prone to rearrangements and deletions. The repetitiveness and complexity of ...
Gene therapy in SMA aims at restoring the SMN1 gene function through inserting specially crafted nucleotide sequence (a SMN1 transgene) into the cell nucleus using a viral vector. This approach has been exploited by the first approved gene therapy for SMA, scAAV-9 based treatment onasemnogene abeparvovec. [82]
Survival of motor neuron or survival motor neuron (SMN) is a protein that in humans is encoded by the SMN1 and SMN2 genes. SMN is found in the cytoplasm of all animal cells and also in the nuclear gems. It functions in transcriptional regulation, telomerase regeneration and cellular trafficking. [2]
The drug is used to treat spinal muscular atrophy associated with a mutation in the SMN1 gene. It is administered directly to the central nervous system (CNS) using intrathecal injection. [4] In clinical trials, the drug halted the disease progression. In around 60% of infants affected by type 1 spinal muscular atrophy, it improves motor ...
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Gene therapy is a medical technology that aims to produce a therapeutic effect through the manipulation of gene expression or through altering the biological ...
A new study says the flu A viral strain can adapt shape to stay infectious. Infectious disease doctors break down what this means and how to protect yourself.
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