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Joseph Schildkraut: "The Catecholamine Hypothesis of Affective Disorders“, 1965. 1969 by Carlsson et al. =>first SSRI: zimelidine (1971) … fluoxetine marketed in 1988. The molecular mechanism of long-term antidepressant treatments. Duman: July 1997 Arch Gen Psychiatry.
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Joseph Schildkraut: "The Catecholamine Hypothesis of Affective Disorders“,1965
1969 by Carlsson et al. =>first SSRI: zimelidine (1971) … fluoxetine marketed in 1988
The molecular mechanism of long-term antidepressant treatments Duman: July 1997 Arch Gen Psychiatry
Stress Decreases and Antidepressant Treatments Increase the Expression of Brain-derived Neurotrophic Factor in the Hippocampus Stress : restrain stress (90 mins) Fluoxetine : administration 21 days BDNF mRNA were determined by in situ hybridization Duman et al.,1997
novelty-suppressed feeding test (NSF) H= haloperidol D= desipramine I= imipramine F= fluoxetine Science 2003;301:805-9
Chronic fluoxetine treatment increases BrdU uptake and neurogenesis in the dentate gyrus of mice Confocal micrograph of cell double-labeled for BrdU and NeuN or GFAP NeuN : neuron-specific nuclear protein GFAP : glial fibrillary acidic protein Science 2003;301:805-9 BrdU is incorporated into DNA in place of thymidine then injected into the brain (CSF). BrdU-positive indicates synthesis of DNA and a generation of new cells.
SGZ= subgranular zone SVZ= subventricular zone S= sham X= X-ray V= vehicle F= fluoxetine I= imipramine
DG Results J Neuroscience 2002;22:3251–61
Inhibition of tyrosine kinase (by K252a) or MEK (by U0126) blocks the antidepressant effect of BDNF J Neuroscience 2002
TKI-induced Depression J Clin Oncology 2009 Profound depression emergedfrom seven patients treated with tyrosine kinase inhibitors (TKI), five treated with imatinib and two with dasatinib. All were coping well with their disease psychologically before imatinib/dasatinib therapy. They experienced complete remission or improvement of symptoms after dose reduction or drug discontinuation. Two patients had relapse of depression after TKI rechallenge.
Scince 2006; 314:140-143 Contexual freezing
Anxiety-related behavior in BDNF Met/Met mice Chen: Science 2006
7,8-Dihydroxyflavone (7,8-DHF) 1 8 p≤ 0.05, N=10 7 (BDNF imitators) Acquisition & extinction of fear Am J Psychiatry 2011 16
Conditioned fear After extinction training Am J Psychiatry 2011
No training Learned safety Learned safety No training Neuron,2008