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The cuprizone mouse model of demyelination was used to investigate the influence that white matter changes have on different magnetic resonance imaging results. In vivo T2 -weighted and magnetization transfer images (MTIs) were acquired weekly in control (n = 5) and cuprizone-fed (n = 5) mice, with significant increases in signal intensity in T2 -weighted(More)
Secreted amyloid precursor protein (APPs) plays a role in several neuronal functions, including the promotion of synaptogenesis, neurite outgrowth and neuroprotection. Previous study has demonstrated that ganglioside GM1 inhibits the secretion of APPs; however the underlying mechanism remains unknown. Here we reported that GM1 can bind cellular full length(More)
Human ENGRAILED 2 (EN2) gene is localized to 7q36, an autism susceptibility locus. En2 knockout mice display hypoplasia of cerebellum and a decrease in the number of Purkinje cell, which are similar to those reported for individuals with autism. Furthermore, deficits in social behavior were detected in En2(-/-) mice. Two recent studies have demonstrated(More)
Disrupted-in-Schizophrenia-1 (DISC1) is located on 1q42.1, one of the most promising susceptibility loci in schizophrenia linkage studies. A non-synonymous genetic variation rs821616 (Ser704Cys) in DISC1, has recently been shown to be associated with schizophrenia in family-based study [Callicott et al. (2005); Proc Natl Acad Sci USA 102: 8627-8632]. In(More)
Alzheimer's disease (AD) is the most common neurodegenerative disorder of the central nervous system. Current approaches for AD treatment only ameliorate symptoms. Therapeutic strategies that target the pathological processes of the disease remain elusive. Fluoxetine (FLX) is one of the most widely used antidepressants for the treatment of depression and(More)
BACKGROUND Neuregulin1 (NRG1) influences the development of white matter connectivity and is implicated in genetic susceptibility to schizophrenia. The cingulum bundle is a white matter structure implicated in schizophrenia. Its anterior component is especially implicated, as it provides reciprocal connections between brain regions with prominent(More)
Converging evidence from imaging, microarray, genetic, and other studies suggests that abnormalities in myelin may play a role in schizophrenia. The expression of 2',3'-cyclic nucleotide 3'-phosphodiesterase (CNP), which is used as a myelin marker, has been reported to be reduced in the schizophrenic brain. A synonymous genetic variation in the CNP gene,(More)
The genetic basis of complex diseases is expected to be highly heterogeneous, with many disease genes, where each gene by itself has only a small effect. Based on the nonlinear contributions of disease genes across the genome to complex diseases, we introduce the concept of single nucleotide polymorphism (SNP) synergistic blocks. A two-stage approach is(More)
Although gray matter (GM) damages caused by long term and excessive alcohol consumption have long been reported, the structural neuroimaging findings on alcohol-use disorders (AUD) are inconsistent. The aim of this study was to conduct a meta-analysis, using a novel voxel-based meta-analytic method effect-size signed differential mapping (ES-SDM), to(More)
Myelin and oligodendrocyte dysfunctions have been consistently found in patients with schizophrenia. The effect of antipsychotics on myelin disturbances is unknown. The present study examined the effects of quetiapine on oligodendrocyte regeneration and myelin repair in a demyelination animal model. C57BL/6 mice were fed with cuprizone (0.2% w/w) for 12(More)