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  2. SMN1 - Wikipedia

    en.wikipedia.org/wiki/SMN1

    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 ...

  3. Survival of motor neuron - Wikipedia

    en.wikipedia.org/wiki/Survival_of_motor_neuron

    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]

  4. Spinal muscular atrophy - Wikipedia

    en.wikipedia.org/wiki/Spinal_muscular_atrophy

    SMA is diagnosed using genetic testing that detects homozygous deletion of the SMN1 gene in over 95% of cases, [19] and a compound SMN1 mutation in the remaining patients. Genetic testing is usually carried out using a blood sample, and MLPA is one of more frequently used genetic testing techniques, as it also allows establishing the number of ...

  5. Nusinersen - Wikipedia

    en.wikipedia.org/wiki/Nusinersen

    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 ...

  6. X-linked spinal muscular atrophy type 2 - Wikipedia

    en.wikipedia.org/wiki/X-linked_spinal_muscular...

    to perform a normal SMN1 molecular genetic testing to rule out autosomal recessive spinal muscular atrophy perform an analysis to see if it is male gender in a simplex case (i.e., a single occurrence in a family) or find the presence of X-linked pattern of inheritance in families with more than one affected individual

  7. Spinal disease - Wikipedia

    en.wikipedia.org/wiki/Spinal_disease

    SMA is a category of spinal disease that in linked with genetic disorders. More specifically, it is caused by an autosomal recessive disorder due to a homozygous mutation of a motor neuron gene. [3] There are different types of SMA. Type 0 is diagnosed to newborns who have muscle weakness, and little to no "fetal movements."

  8. Onasemnogene abeparvovec - Wikipedia

    en.wikipedia.org/wiki/Onasemnogene_abeparvovec

    SMA is a neuromuscular disorder caused by a mutation in the SMN1 gene, which leads to a decrease in SMN protein, a protein necessary for survival of motor neurons. Onasemnogene abeparvovec is a biologic drug consisting of AAV9 virus capsids that contains a SMN1 transgene along with synthetic promoters. [5]

  9. Spinal muscular atrophies - Wikipedia

    en.wikipedia.org/wiki/Spinal_muscular_atrophies

    Localised spinal muscular atrophies – much more rare conditions, in some instances described in but a few patients in the world, which are associated with mutations of genes other than SMN1 and for this reason sometimes termed simply non-5q spinal muscular atrophies; none has currently a causal treatment.