2009
DOI: 10.1007/s00424-009-0766-8
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Nicotinic receptor channelopathies and epilepsy

Abstract: Characterized by sudden episodes called seizures, epilepsy was recognized long ago as a neurological disorder that can have multiple forms ranging from benign to life threatening depending upon its severity. Although several evidences indicated that genes play an important role in at least half of the patients, it is only with the advances in molecular biology and genetics that the puzzle about oligogenic and monogenic epilepsies slowly starts to unfold. The finding of an association between a monogenic form o… Show more

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Cited by 57 publications
(32 citation statements)
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“…Another epilepsy (early infantile epileptic encephalopathy) can be categorized into multiple subtypes, many being associated with a different channelopathy in a different gene (KCNQ2, SCN2A, SCN8A, and KCNT1) (Kim 2014). Finally, mutations in the nicotinic cholinergic receptor genes CHRNA2, CHRNA4, and CHRNB2 result in autosomal dominant nocturnal frontal lobe epilepsy, whereas mutations in CHRNA1, CHRNB1, CHRND, and CHRNE result in congenital myasthenic syndrome (Steinlein and Bertrand, 2010;Kim 2014). The examples given above emphasize that these diseases are multifactorial and that individual channel isoforms subserve many functions.…”
Section: Introductionmentioning
confidence: 99%
“…Another epilepsy (early infantile epileptic encephalopathy) can be categorized into multiple subtypes, many being associated with a different channelopathy in a different gene (KCNQ2, SCN2A, SCN8A, and KCNT1) (Kim 2014). Finally, mutations in the nicotinic cholinergic receptor genes CHRNA2, CHRNA4, and CHRNB2 result in autosomal dominant nocturnal frontal lobe epilepsy, whereas mutations in CHRNA1, CHRNB1, CHRND, and CHRNE result in congenital myasthenic syndrome (Steinlein and Bertrand, 2010;Kim 2014). The examples given above emphasize that these diseases are multifactorial and that individual channel isoforms subserve many functions.…”
Section: Introductionmentioning
confidence: 99%
“…Connections between the thalamus and cortex with a negative feedback from the cortical-thalamic projections are believed to contribute to ADNFLE (Steinlein and Bertrand, 2010). At present, it is hypothesized that the gain of function of ␤2 nAChR variants may cause an imbalance of excitation versus inhibition in this brain circuit, which in turn promotes the triggering of seizures (Steinlein and Bertrand, 2010).…”
Section: Gain Of Functionmentioning
confidence: 99%
“…In etwa 10% der Fälle lassen sich Mutationen in 3 Genen, die für Azetylcholinrezeptoren kodieren (CHRNA4, CHRNA2, CHRNA3), nachweisen [18]. Diese regulieren vermutlich die GABA-Freisetzung (GABA: Gammaaminobuttersäure) im zentralen Nervensystem.…”
Section: Autosomal-dominante Nächtliche Frontallappenepilepsie (Adnfle)unclassified