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https://www.selleckchem.com/EGFR(HER).html Tubulinopathies are a group of conditions caused by variants in 6 tubulin genes that present with a spectrum of brain malformations. One of these conditions is TUBB2A-related tubulinopathy. Currently, there are 9 reported individuals with pathogenic variants within the TUBB2A gene, with common manifestations including, but not limited to, global developmental delay, seizures, cortical dysplasia, and dysmorphic corpus callosum. We report 3 patients identified by exome and genome sequencing to have a novel, pathogenic, missense variant in TUBB2A (p.Gly98Arg). They presented similarly with intellectual disability, hypotonia, and global developmental delay and varied with respect to the type of cortical brain malformation, seizure history, diagnosis of autism spectrum disorder, and other features. This case series expands the natural history of TUBB2A-related tubulinopathy while describing the presentation of a novel, pathogenic, missense variant in 3 patients.Epileptic encephalopathy related to CACNA1E has been described as a severe neurodevelopmental disorder presenting with early-onset refractory seizures, hypotonia, macrocephaly, hyperkinetic movements, and contractures and is associated with an autosomal dominant inheritance pattern. Most pathogenic variants described to date are missense variants with a gain of function effect, and the role of haploinsufficiency has yet to be clarified. We describe 2 cases of CACNA1E encephalopathy. Notable findings include congenital contractures and movement disorders predating onset of epilepsy, particularly dystonia. We further compared the key phenotypic features depending on variant location. In conclusion, the appearance of congenital contractures, areflexia, and movement disorders before the onset of epilepsy may provide key guidance in the diagnosis of epileptic CACNA1E encephalopathy. A genotype-phenotype correlation was found between the presence of movement disorders and sever

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