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Genetics of tuberous sclerosis complex: implications for clinical practice
Journal article   Open access   Peer reviewed

Genetics of tuberous sclerosis complex: implications for clinical practice

Carolina Caban, Nubaira Khan, Daphne M Hasbani and Peter B Crino
Application of clinical genetics, v 10, pp 1-8
21 Dec 2016
PMID: 28053551
url
https://doi.org/10.2147/tacg.s90262View
Published, Version of Record (VoR)CC BY-NC V4.0 Open
url
https://doi.org/10.2147/TACG.S90262View
Published, Version of Record (VoR) Open

Abstract

epilepsy genetics mTOR rapamycin Review TSC
Tuberous sclerosis complex (TSC) is a multisystem disorder that results from heterozygous mutations in either TSC1 or TSC2 . The primary organ systems that are affected include the brain, skin, lung, kidney, and heart, all with variable frequency, penetrance, and severity. Neurological features include epilepsy, autism, and intellectual disability. There are more than 1,500 known pathogenic variants for TSC1 and TSC2 , including deletion, nonsense, and missense mutations, and all pathogenic mutations are inactivating, leading to loss of function effects on the encoded proteins TSC1 and TSC2. These proteins form a complex to constitutively inhibit mechanistic target of rapamycin (mTOR) signaling cascade, and as a consequence, mTOR signaling is constitutively active within all TSC-associated lesions. The mTOR inhibitors rapamycin (sirolimus) and everolimus have been shown to reduce the size of renal and brain lesions and improve pulmonary function in TSC, and these compounds may also decrease seizure frequency. The clinical application of mTOR inhibitors in TSC has provided one of the first examples of precision medicine in a neurodevelopmental disorder.

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Collaboration types
Domestic collaboration
Web of Science research areas
Genetics & Heredity
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