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Paroxysmal kinesigenic dyskinesias is a paroxysmal movement disorder characterized by recurrent, brief attacks of abnormal involuntary movements induced by sudden voluntary movements. Although several loci, including the pericentromeric region of chromosome 16, have been linked to paroxysmal kinesigenic dyskinesias, the causative gene has not yet been(More)
BACKGROUND Charcot-Marie-Tooth (CMT) disease, the most common hereditary peripheral neuropathy, is highly clinically and genetically heterogeneous, and mutations in at least 18 genes have been identified. Recently, mutations in small heat shock protein 27 (Hsp27) were reported to cause CMT disease type 2F and distal hereditary motor neuropathy. OBJECTIVE(More)
Parkinson's disease is the second most common neurodegenerative disorder without effective treatment. It is generally sporadic with unknown etiology. However, genetic studies of rare familial forms have led to the identification of mutations in several genes, which are linked to typical Parkinson's disease or parkinsonian disorders. The pathogenesis of(More)
Charcot-Marie-Tooth (CMT) disease is the most common inherited motor and sensory neuropathy. We have previously described a large Chinese CMT family and assigned the locus underlying the disease (CMT2L; OMIM 608673) to chromosome 12q24. Here, we report a novel c.423G→T (Lys141Asn) missense mutation of small heat-shock protein 22-kDa protein 8 (encoded by(More)
BACKGROUND Costello syndrome (CS) is a rare multiple congenital abnormality syndrome, associated with failure to thrive and developmental delay. One of the more distinctive features in childhood is the development of facial warts, often nasolabial and in other moist body surfaces. Individuals with CS have an increased risk of malignancy, suggested to be(More)
The GGGGCC repeat expansion in the C9orf72 gene was recently identified as a major cause of amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) in white populations. To estimate the frequency of hexanucleotide repeats in patients with ALS and FTD from mainland China, we screened for C9orf72 in a cohort of 128 patients and 150 control(More)
Clinical profiles of Parkinson's disease (PD) related to LRRK2 (LRRK2-PD), and GBA (GBA-PD) genes have not been reported in Chinese individuals. In this study, we have investigated motor and non-motor aspects in 1638 Chinese PD patients who carried LRRK2 G2385R or R1628P (LRRK2-PD, n = 223), GBA L444P variant (GBA-PD, n = 49), or none of the variants(More)
BACKGROUND Preoperative differentiation of primary central nervous system lymphomas (PCNSLs) from other tumors is important for presurgical staging, intraoperative management, and postoperative treatment. Dynamic susceptibility contrast-enhanced perfusion magnetic resonance imaging (DSC perfusion MRI) can provide in vivo assessment of the microvasculature(More)
Sir, Data recently published in Brain indicate that the CHCHD10 gene (NM_213720.2) plays an important role in frontotemporal dementia (FTD) and amyotrophic lateral The CHCHD10 gene is located on chromosome 22q.11.23 and encodes a protein enriched at cristae junctions in mitochondria. Mutations in this gene cause mitochondrial dysfunction, which leads to(More)
Neuronal conversion from human fibroblasts can be induced by lineage-specific transcription factors; however, the introduction of ectopic genes limits the therapeutic applications of such induced neurons (iNs). Here, we report that human fibroblasts can be directly converted into neuronal cells by a chemical cocktail of seven small molecules, bypassing a(More)