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  • 1
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    Cell type-specific loss of BDNF signaling mimics optogenetic control of cocaine reward (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-10-16
    Description: The nucleus accumbens is a key mediator of cocaine reward, but the distinct roles of the two subpopulations of nucleus accumbens projection neurons, those expressing dopamine D1 versus D2 receptors, are poorly understood. We show that deletion of TrkB, the brain-derived neurotrophic factor (BDNF) receptor, selectively from D1+ or D2+ neurons oppositely affects cocaine reward. Because loss of TrkB in D2+ neurons increases their neuronal excitability, we next used optogenetic tools to control selectively the firing rate of D1+ and D2+ nucleus accumbens neurons and studied consequent effects on cocaine reward. Activation of D2+ neurons, mimicking the loss of TrkB, suppresses cocaine reward, with opposite effects induced by activation of D1+ neurons. These results provide insight into the molecular control of D1+ and D2+ neuronal activity as well as the circuit-level contribution of these cell types to cocaine reward.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3011229/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3011229/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lobo, Mary Kay -- Covington, Herbert E 3rd -- Chaudhury, Dipesh -- Friedman, Allyson K -- Sun, HaoSheng -- Damez-Werno, Diane -- Dietz, David M -- Zaman, Samir -- Koo, Ja Wook -- Kennedy, Pamela J -- Mouzon, Ezekiell -- Mogri, Murtaza -- Neve, Rachael L -- Deisseroth, Karl -- Han, Ming-Hu -- Nestler, Eric J -- P01 DA008227/DA/NIDA NIH HHS/ -- P01 DA008227-20/DA/NIDA NIH HHS/ -- R01 DA007359/DA/NIDA NIH HHS/ -- R01 DA007359-22/DA/NIDA NIH HHS/ -- R01 DA014133/DA/NIDA NIH HHS/ -- R01 DA014133-10/DA/NIDA NIH HHS/ -- R01 DA014133-11/DA/NIDA NIH HHS/ -- R01 DA014133-12/DA/NIDA NIH HHS/ -- R01 MH051399/MH/NIMH NIH HHS/ -- R01 MH051399-19/MH/NIMH NIH HHS/ -- R01 MH051399-20/MH/NIMH NIH HHS/ -- T32 DA007135-26A2/DA/NIDA NIH HHS/ -- New York, N.Y. -- Science. 2010 Oct 15;330(6002):385-90. doi: 10.1126/science.1188472.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fishberg Department of Neuroscience, Mount Sinai School of Medicine, New York, NY 10029, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20947769" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/drug effects ; Brain-Derived Neurotrophic Factor/*metabolism ; Cocaine/*pharmacology ; Cocaine-Related Disorders/*metabolism ; Conditioning (Psychology) ; Light ; Mice ; Mice, Transgenic ; Mitogen-Activated Protein Kinase 1/metabolism ; Mitogen-Activated Protein Kinase 3/metabolism ; Models, Biological ; Motor Activity/drug effects ; Neurons/*metabolism ; Nucleus Accumbens/cytology/*metabolism ; RNA, Messenger/genetics/metabolism ; Receptor, trkB/genetics/*metabolism ; Receptors, Dopamine D1/metabolism ; Receptors, Dopamine D2/metabolism ; *Reward ; Rhodopsin/genetics/metabolism ; *Signal Transduction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    beta-catenin mediates stress resilience through Dicer1/microRNA regulation (2014)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2014-11-11
    Description: beta-catenin is a multi-functional protein that has an important role in the mature central nervous system; its dysfunction has been implicated in several neuropsychiatric disorders, including depression. Here we show that in mice beta-catenin mediates pro-resilient and anxiolytic effects in the nucleus accumbens, a key brain reward region, an effect mediated by D2-type medium spiny neurons. Using genome-wide beta-catenin enrichment mapping, we identify Dicer1-important in small RNA (for example, microRNA) biogenesis--as a beta-catenin target gene that mediates resilience. Small RNA profiling after excising beta-catenin from nucleus accumbens in the context of chronic stress reveals beta-catenin-dependent microRNA regulation associated with resilience. Together, these findings establish beta-catenin as a critical regulator in the development of behavioural resilience, activating a network that includes Dicer1 and downstream microRNAs. We thus present a foundation for the development of novel therapeutic targets to promote stress resilience.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4257892/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4257892/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dias, Caroline -- Feng, Jian -- Sun, Haosheng -- Shao, Ning Yi -- Mazei-Robison, Michelle S -- Damez-Werno, Diane -- Scobie, Kimberly -- Bagot, Rosemary -- LaBonte, Benoit -- Ribeiro, Efrain -- Liu, XiaoChuan -- Kennedy, Pamela -- Vialou, Vincent -- Ferguson, Deveroux -- Pena, Catherine -- Calipari, Erin S -- Koo, Ja Wook -- Mouzon, Ezekiell -- Ghose, Subroto -- Tamminga, Carol -- Neve, Rachael -- Shen, Li -- Nestler, Eric J -- P50 MH096890/MH/NIMH NIH HHS/ -- R00 MH094405/MH/NIMH NIH HHS/ -- England -- Nature. 2014 Dec 4;516(7529):51-5. doi: 10.1038/nature13976. Epub 2014 Nov 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fishberg Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA. ; Department of Psychiatry, University of Texas Southwestern, Dallas, Texas 75390, USA. ; Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25383518" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological/genetics ; Animals ; DEAD-box RNA Helicases/*genetics/metabolism ; Depression/physiopathology ; Gene Expression Profiling ; *Gene Expression Regulation ; Genome-Wide Association Study ; Humans ; Male ; Mice ; Mice, Inbred C57BL ; MicroRNAs/*genetics/metabolism ; Neurons/metabolism ; *Resilience, Psychological ; Ribonuclease III/*genetics/metabolism ; Signal Transduction ; Stress, Physiological/*genetics ; beta Catenin/genetics/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 3
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    BDNF is a negative modulator of morphine action (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-10-09
    Description: Brain-derived neurotrophic factor (BDNF) is a key positive regulator of neural plasticity, promoting, for example, the actions of stimulant drugs of abuse such as cocaine. We discovered a surprising opposite role for BDNF in countering responses to chronic morphine exposure. The suppression of BDNF in the ventral tegmental area (VTA) enhanced the ability of morphine to increase dopamine (DA) neuron excitability and promote reward. In contrast, optical stimulation of VTA DA terminals in nucleus accumbens (NAc) completely reversed the suppressive effect of BDNF on morphine reward. Furthermore, we identified numerous genes in the NAc, a major target region of VTA DA neurons, whose regulation by BDNF in the context of chronic morphine exposure mediated this counteractive function. These findings provide insight into the molecular basis of morphine-induced neuroadaptations in the brain's reward circuitry.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3547365/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3547365/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koo, Ja Wook -- Mazei-Robison, Michelle S -- Chaudhury, Dipesh -- Juarez, Barbara -- LaPlant, Quincey -- Ferguson, Deveroux -- Feng, Jian -- Sun, Haosheng -- Scobie, Kimberly N -- Damez-Werno, Diane -- Crumiller, Marshall -- Ohnishi, Yoshinori N -- Ohnishi, Yoko H -- Mouzon, Ezekiell -- Dietz, David M -- Lobo, Mary Kay -- Neve, Rachael L -- Russo, Scott J -- Han, Ming-Hu -- Nestler, Eric J -- K99 MH094405/MH/NIMH NIH HHS/ -- P01 DA008227/DA/NIDA NIH HHS/ -- R01 DA014133/DA/NIDA NIH HHS/ -- R01 MH092306/MH/NIMH NIH HHS/ -- T32 MH087004/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2012 Oct 5;338(6103):124-8. doi: 10.1126/science.1222265.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fishberg Department of Neuroscience and Friedman Brain Institute, Mount Sinai School of Medicine, New York, NY 10029, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23042896" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain-Derived Neurotrophic Factor/genetics/*physiology ; Dopamine/metabolism ; Dopaminergic Neurons/*drug effects/physiology ; Gene Expression Regulation ; Gene Knockdown Techniques ; Gene Knockout Techniques ; Male ; Mice ; Mice, Inbred C57BL ; Morphine/*pharmacology ; Morphine Dependence/genetics/*physiopathology ; Nucleus Accumbens/drug effects/physiopathology ; Photic Stimulation ; Receptor, trkB/genetics/physiology ; Ventral Tegmental Area/*drug effects/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Histone arginine methylation in cocaine action [Neuroscience] (2016)
    National Academy of Sciences
    Details
    Publication Date: 2016-08-24
    Description: Repeated cocaine exposure regulates transcriptional regulation within the nucleus accumbens (NAc), and epigenetic mechanisms—such as histone acetylation and methylation on Lys residues—have been linked to these lasting actions of cocaine. In contrast to Lys methylation, the role of histone Arg (R) methylation remains underexplored in addiction models. Here we show...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 5
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    Poly(ADP-ribosyl)ation in cocaine action [Neuroscience] (2014)
    National Academy of Sciences
    Details
    Publication Date: 2014-02-05
    Description: Many of the long-term effects of cocaine on the brain’s reward circuitry have been shown to be mediated by alterations in gene expression. Several chromatin modifications, including histone acetylation and methylation, have been implicated in this regulation, but the effect of other histone modifications remains poorly understood. Poly(ADP-ribose) polymerase-1 (PARP-1),...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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