Nii A. Addy, PhD

Associate Professor of Psychiatry and of Cellular and Molecular Physiology

Co-Director, Minority Organization for Retention & Expansion (MORE) Faculty Mentoring Program

Associate Director of Diversity, Biological Sciences Training Program (BSTP) in Psychiatry

Yale School of Medicine

 

Abstract: Dr. Addy’s research focuses on the neurobiological processes underlying substance use disorders, mood disorders, and comorbid substance use and mood disorders. Dr. Addy’s team uses multiple methodologies, including behavioral paradigms such as intravenous drug self-administration, acute and chronic stress paradigms, and anxiety and amotivation paradigms, along with integrated pharmacological, in vivo electrochemical, and in vivo optogenetic methods to investigate these mechanisms. Dr. Addy will present his preclinical findings, in collaboration with Dr. Anjali Rajadhyaksha, revealing cholinergic and L-type calcium channel processes in the mesolimbic system that robustly mediate substance use and mood disorder behavioral phenotypes through regulation of dopaminergic activity. Dr. Addy will also describe ongoing work with potential therapeutic compounds, targeting subtype-specific muscarinic receptors and L-type calcium channels. Finally, he will describe upcoming clinical collaborative studies, based on his team’s recent preclinical findings.   

 

Citations: 

1.    Nunes EJ, Rupprecht LE, Foster DJ, Lindsley CW, Conn PJ, Addy NA. (2020) Examining the role  of muscarinic M5 receptors in VTA cholinergic modulation of depressive-like and anxiety related behaviors in rats. Neuropharmacology. July 2020; Vol. 171. 

2.    Nunes EJ, Bitner L, Hughley SM, Small KM, Walton SN, Rupprecht LE, Addy NA. (2019)  Cholinergic receptor blockade in the VTA attenuates cue-induced cocaine-seeking and reverses the Anxiogenic effects of forced abstinence. Neuroscience. Jul 2; 413:252-263. 

3.    Addy NA, Nunes EJ, Hughley SM, Small KM, Baracz SJ, Haight JL, Rajadhyaksha AM. (2018) The L-type calcium channel blocker, isradipine, attenuates cue-induced cocaine-seeking by enhancing dopaminergic activity in the ventral tegmental area to nucleus accumbens pathway. Neuropsychopharmacology. Online May 3, 2018. doi: 10.1038/s41386-018-0080-2 

 

Email veb2012@med.cornell.edu for zoom link 

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