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Until recently, primary familial brain calcification (PFBC) has been determined by four genes, SLC20A2, PDGFRB, PDGFB and XPR1. No studies have been carried out to analyze the gene mutation of PDGFB in Chinese population.To screen mutations of PDGFB gene in a large cohort of Chinese PFBC patients with no SLC20A2 mutations.We recruited 192 PFBC patients, including 21 index cases and 171 sporadic cases,...
Idiopathic basal ganglia calcification (IBGC) is a rare neuropsychiatric disorder characterized by bilateral and symmetric cerebral calcifications. Recently, SLC20A2 was identified as a causative gene for familial IBGC, and three mutations were reported in a northern Chinese population. Here, we aimed to explore the mutation spectrum of SLC20A2 in a southern Chinese population. Sanger sequencing was...
Spinal muscular atrophy (SMA) is a common and lethal autosomal recessive neurodegenerative disorder, which is caused by mutations of the survival motor neuron 1 (SMN1) gene. Additionally, the phenotype is modified by several genes nearby SMN1 in the 5q13 region. In this study, we analyzed mutations in SMN1 and quantified the modifying genes, including SMN2, NAIP, GTF2H2, and H4F5 by polymerase chain...
In the present work, two full length cDNAs of GH3 genes, named DlGH3.1 and DlGH3.2 were cloned from pericarp and aril tissues of the longan fruit, respectively. Three conserved motifs, SSGTSAGERK, YASSE and YRVGD, as a characteristic of the acyladenylate/thioester forming enzyme superfamily were observed in DlGH3.1 and DlGH3.2 proteins. DlGH3.1 mainly expressed in pericarp tissues while DlGH3.2 accumulated...
RNA interference (RNAi)-mediated gene silencing has become a valuable tool for functional studies, reverse genomics, and drug discoveries. One major challenge of using RNAi is to identify the most effective short interfering RNAs (siRNAs) sites of a given gene. Although several published bioinformatic prediction models have proven useful, the process to select and validate optimal siRNA sites for...
During a search for transforming genes by transfecting a human cDNA expression library together with calf thymus carrier-DNA into NIH/3T3 cells, we found a focus which was induced by a plasmid containing a sequence highly homologous to human HST (a transforming gene from Human STomach cancer). However, PCR analysis identified the source of this sequence as calf thymus DNA. The deduced amino acid (aa)...
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