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Abstract
Tuberous sclerosis complex (TSC) is an inherited disorder resulting from mutations in one of two genes, TSC1 (Hamartin) and TSC2 (Tuberin). These two proteins form a cytosolic complex that inhibits the mTOR pathway that controls cell growth and proliferation. Pathologically, abnormalities of neuronal migration, cellular differentiation and excessive cellular proliferation all contribute to the formation of the different brain lesions of TSC. Seizure is the most common presenting symptom. Seizures can be present in the first year of life and up to one third of children develop infantile spasms. Seizures usually have a focal or multifocal origin, are often resistant to antiepileptic drugs and have a negative impact on the neurocognitive development. Vigabatrin has proved to be effective against infantile spasms due to TSC. New evidence suggests that it is possible to noninvasively identify using multimodality techniques, TSC children who are likely to become seizure-free following surgical treatment. Understanding the mechanisms of epileptogenesis and the possible role of the mTOR pathway in this process might increase the availability of novel and targeted therapies.
Financial & competing interests disclosure
The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending or royalties.
No writing assistance was utilized in the production of this manuscript.