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DNA methylation has critical roles in the nervous system and has been traditionally considered to be restricted to CpG dinucleotides in metazoan genomes. Here we show that the single base-resolution DNA methylome from adult mouse dentate neurons consists of both CpG (~75%) and CpH (~25%) methylation (H = A/C/T). Neuronal CpH methylation is conserved in(More)
Dysregulated neurodevelopment with altered structural and functional connectivity is believed to underlie many neuropsychiatric disorders, and 'a disease of synapses' is the major hypothesis for the biological basis of schizophrenia. Although this hypothesis has gained indirect support from human post-mortem brain analyses and genetic studies, little is(More)
DNA methylation, especially CpG methylation at promoter regions, has been generally considered as a potent epigenetic modification that prohibits transcription factor (TF) recruitment, resulting in transcription suppression. Here, we used a protein microarray-based approach to systematically survey the entire human TF family and found numerous purified TFs(More)
To evaluate the effect of occupational exposure to manganese (Mn) on serum prolactin (PRL) and the interrelationship among other hypophyseal-pituitary hormones, a cross-sectional study was conducted on 251 welders and 100 age-matched, office workers. We analyzed serum PRL, dopamine (DA), thyroid stimulating hormone releasing hormone (TRH), follicle(More)
Contrary to the long-held belief that DNA methylation of terminally differentiated cells is permanent and essentially immutable, post-mitotic neurons exhibit extensive DNA demethylation. The cellular function of active DNA demethylation in neurons, however, remains largely unknown. Tet family proteins oxidize 5-methylcytosine to initiate active DNA(More)
The mammalian brain is an evolutionary marvel in which engraving and re-engraving of cellular states enable complex information processing and lifelong maintenance. Understanding the mechanisms by which neurons alter and maintain their molecular signatures during information processing is a fundamental goal of neuroscience. Next-generation sequencing (NGS)(More)
Reduced lung function, measured by forced vital capacity (FVC) and forced expiratory volume in 1 second (FEV1) are linked to oxidative stress and systemic inflammation, which are important in the pathogenesis of atherosclerosis. Here, we assessed the association between impaired lung function and atherosclerosis (measured by coronary artery calcium score)(More)
Mounting evidence has recently underscored the importance of DNA methylation in normal brain functions. DNA methylation machineries are responsible for dynamic regulation of methylation patterns in discrete brain regions. In addition to methylation of cytosines in genomic DNA (5-methylcytosine; 5mC), other forms of modified cytosines, such as(More)