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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. https://www.selleckchem.com/products/Temsirolimus.html 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 severe intellectual disability and the location of the variant in the CACNA1E gene.Postaxial polydactyly (PAP) is characterized by counterproductive 5th digit (pinky finger) duplication on hands and/or feet which often leads to functional complications. To date, at least 11 genes involved in causing various types of nonsyndromic polydactylies have been reported. In the present study, a consanguineous family of Sindhi origin with a segregating nonsyndromic form of PAP in an autosomal recessive manner was clinically and genetically evaluated. Genotyping, using polymorphic microsatellite markers, established linkage in the family on chromosome 5q15 harboring the KIAA0825 gene (MIM 617266). Sequence analysis of the gene revealed a novel frameshift variant leading to a premature stop codon [c.143delG, p.(Cys48Serfs*28)]. This is only the 4th novel variant in the KIAA0825 gene that leads to PAP type A10 (PAPA10) (MIM 618498). Identification of variants in the PAP causative gene will support the diagnosis of patients with limb malformations in the Pakistani population.Copy number variations (CNVs) have been implied in the etiology of autism spectrum disorder (ASD), and microarray-based techniques are performed as a first-step genetic test. Our aim was to present clinical features and CNV profiles of patients with ASD and their parents. Array-CGH was applied to detect CNVs. Previously as likely pathogenic reported duplications were detected at 16p13.11 and 11p15.2p15.1. Other variants were found in 16p11.2p11.1, 3p14.2, 15q11.2, 10q11.22, 3p26.3, 4q13.3, 22q13.32q13.33, and 1q44 and were classified as variants of unknown significance. Deletion of the FHIT gene was associated with the regression of language and social skills without mental impairment. Paternal inheritance of difficulty in social skills and the FHIT gene was documented. In addition, varying olfactory receptor family genes were implicated in de novo and hereditary CNVs. In this study, we aimed to present the clinical characteristics of the cases and parents in more detail, especially in pathogenic CNV cases, which enables us to increase our knowledge on inherited CNVs and genotype-phenotype correlation. We suggest that both genetic and psychiatric evaluation of the parents of the cases is important for better understanding the clinical relevance of the CNV results.Robertsonian translocations (RTs) result from fusion of 2 acrocentric chromosomes (e.g., 13, 14, 15, 21, 22) and consequential losses of segments of the p arms containing 47S rDNA clusters and transcription factor binding sites. Depending on the position of the breakpoints, the size of these losses vary considerably between types of RTs. The prevalence of RTs in the general population is estimated to be around 1 per 800 individuals, making RTs the most common chromosomal rearrangement in healthy individuals. Based on their prevalence, RTs are classified as "common," rob(13;14) and rob(14;21), or "rare" (the 8 remaining nonhomologous combinations). Carriers of RTs are at an increased risk for offspring with chromosomal imbalances or with uniparental disomy. RTs are generally regarded as phenotypically neutral, although, due to RTs formation, 2 of the 10 ribosomal rDNA gene clusters, several long noncoding RNAs, and in the case of RTs involving chromosome 21, several mRNA encoding genes are lost. Nevertheless, recent evidence indicates that RTs may have a significant phenotypic impact. In particular, rob(13;14) carriers have a significantly elevated risk for breast cancer. While RTs are easily spotted by routine karyotyping, they may go unnoticed if only array-CGH and NextGen sequencing methods are applied. This review first discusses possible molecular mechanisms underlying the particularly high rates of RT formation and their incidence in the general population, and second, likely causes for the elevated cancer risk of some RTs will be examined. In coping with the coronavirus disease 2019 (COVID-19) epidemic, cities adopted social isolation and lockdown measures; however, little is known about the impacts of these restrictions on household food security. This study provides a timely assessment of household food insecurity (HFI) in the Chinese city of Wuhan during the COVID-19 epidemic period and also investigates its determinant factors. We collected valid data on food insecurity from 653 households in Wuhan via an online questionnaire in March 2020. The Household Food Insecurity Access Scale Score (HFIASS) was used to measure HFI, and a multiple linear regression model was used to determine the HFIASS. The mean HFIASS in Wuhan was 9.42 (standard deviation 5.82), with more than 50% of the households had an HFIASS < 9. Compared with normal conditions, lockdown measures had a huge negative impact on household food security. The results revealed that socio-demographic characteristics remained the underlying determinants of HFIASS during the epidemic.
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