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In this proposal, we will (1) detect the associations between BDNF and Trk B gene DNA methylation, histone modification, psychotic symptoms, obesity, suicide and antipsychotic drug responses in Taiwanese patients (2) discuss the possible mechanisms of epigenetic regulation of BDNF and Trk B in schizophrenia patients.
A total 160 subjects (80 subjects every year, including 40 healthy controls and 40 schizophrenia patients) will be recruited during a 2-year period. The first year, the baseline data of BDNF and Trk B DNA methylation, protein and mRNA levels in all subjects will be collected and the following 1 months data will also be collected in schizophrenia with antipsychotic drug treatments. The second year, the baseline data of BDNF and Trk B histone modification in all subjects will be collected.
Observational Model: Case Control, Time Perspective: Prospective
BDNF, DNA Methylation, Suicide, Drug Responses.
Department of Psychiatry, Chang Gung Memorial Hospital
Chang Gung Memorial Hospital
Published on BioPortfolio: 2014-08-27T03:17:42-0400
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Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and remove sulfate groups by treating tissue sections with hot methanol in the presence of hydrochloric acid. (From Stedman, 25th ed)
A branch of genetics which deals with the genetic variability in individual responses to drugs and drug metabolism (BIOTRANSFORMATION).
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A DNA (cytosine-5-)-methyltransferase that contains a central CxxC type zinc finger motif. It binds poly(ADP)-ribose and its expression is regulated by POLY (ADP-RIBOSE) POLYMERASE-1. DNMT1 methylates CpG residues, with a preference for hemimethylated DNA, and associates with DNA replication sites in S PHASE to maintain the methylation pattern in the newly synthesized strand, which is essential for EPIGENETIC PROCESSES. It also associates with CHROMATIN during G2 PHASE and MITOSIS to maintain DNA methylation independently of replication. It is responsible for maintaining methylation patterns established in development; mutations in the DNMT1 gene are associated with HEREDITARY SENSORY NEUROPATHY TYPE 1 class E.
The act of killing oneself.
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