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Featured Paper of the Month

Anterior hypothalamic parvalbumin neurons are glutamatergic and promote escape behavior

Aponte Lab Logo

Featured Paper of the Month – January 2024
Published in Current Biology by Brenton Laing and Yeka Aponte, et al. of the NIDA IRP Neuronal Circuits and Behavior Section.

Using techniques including in vivo functional imaging, behavioral paradigms, and neuronal tracing, Laing et al. investigated a small population of parvalbumin neurons in the anterior hypothalamic area (AHAPV).

Pharmacological and Physicochemical Properties Optimization for Dual-Target Dopamine D3 (D3R) and μ-Opioid (MOR) Receptor Ligands as Potentially Safer Analgesics.

Article authors Lily Saab, BS and Alessandro Bonifazi, Pharm.D./Ph.D.

Featured Paper of the Month – December 2023
Published in Journal of Medicinal Chemistry by Alessandro Bonifazi , Lily Saab and Amy Hauck Newman of the NIDA IRP Medicinal Chemistry Section.

The Newman Lab published a new generation of dual-target mu opioid receptor (MOR) agonists/dopamine D3 receptor (D3R) antagonists/partial agonists as potentially safer analgesics.

Interactions of calmodulin kinase II with the dopamine transporter facilitate cocaine-induced enhancement of evoked dopamine release

Study authors Jacqueline Keighron and Gianluigi Tanda

Featured Paper of the Month – November 2023
Published in Translational Psychiatry by Jacqueline Keighron and Gianluigi Tanda, et al. of the NIDA IRP Medication Development Program.

In this study, we show that pretreatments with an inhibitor of CaMKIIα, a kinase that interacts with DAT and regulates synapsin phosphorylation and mobilization of reserve pools of DA vesicles, blunted the effects of cocaine on evoked DA release without affecting cocaine inhibition of DA reuptake.

Comparative neuropharmacology of structurally distinct non-fentanyl opioids that are appearing on recreational drug markets worldwide

Michael Baumann, Ph.D.

Featured Paper of the Month – October 2023
Published in Drug and Alcohol Dependence with contributions from Michael Baumann and colleagues from the NIDA IRP.

For this study, we examined the pharmacological effects of non-fentanyl synthetic opioids, including U-47700, brorphine, and isotonitazene, as compared to morphine and fentanyl.

Inhibition of dorsal raphe GABAergic neurons blocks hyperalgesia during heroin withdrawal

A histology image from this publication

Featured Paper of the Month – September 2023
Published in Neuropsychopharmacology by Yocasta Alvarez-Bagnarol, and Marisela Morales, et al. of the NIDA IRP Neuronal Networks Section.

We demonstrated that inhibition of Dorsal Raphe GABA neurons blocks hyperalgesia (increased pain sensitivity) induced by spontaneous heroin withdrawal.

Waving Through the Window: A Model of Volitional Social Interaction in Female Mice.

Study authors Leslie Ramsey and Marco Venniro

Featured Paper of the Month – August 2023
Published in Biological Psychiatry by Leslie Ramsey, and Marco Venniro, et al. of the NIDA IRP Neurobiology of Relapse Section.

Using a battery of behavioral tests, we demonstrated that female CD1 mice find social interaction more rewarding compared to female C57BL/6J mice. Our data show that CD1 mice are a better strain for studying female social reward learning.

Dopamine D3/D2 Receptor Ligands Based on Cariprazine for the Treatment of Psychostimulant Use Disorders That May Be Dual Diagnosed with Affective Disorders

Featured Paper of the Month – July 2023
Published in The Journal of Medicinal Chemistry by Emma Gogarnoiu, Caleb Vogt and Amy Hauck Newman, et al. of the NIDA IRP Medicinal Chemistry Section.

Cocaine and methamphetamine are highly addictive psychostimulants that continue to challenge the health and well-being of those who develop a psychostimulant use disorder (PSUD). To date, there are no FDA approved medications for the treatment of PSUD and this provides a significant challenge to curb its destructive nature and prevent death by overdose.

Mu Opioid Receptor Activation Mediates (S)-ketamine Reinforcement in Rats: Implications for Abuse Liability

Study author Marjorie Levinstein, Ph.D.

Featured Paper of the Month – June 2023
Published in Biological Psychiatry by Marjorie Levinstein and Michael Michaelides, et al. of the NIDA IRP Biobehavioral Imaging and Molecular Neuropsychopharmacology Unit.

In this study, we show that S-ketamine not only binds to and activates MOR, but that this interaction is critical for its abuse liability. Specifically, we show that the opioid receptor antagonist naltrexone blocks brain activation by (S)-ketamine in the nucleus accumbens, a region crucial for reward, and also decreases lever pressing for (S)-ketamine in rats.

Persistent binding at dopamine transporters determines sustained psychostimulant effects

Featured Paper of the Month – May 2023
Published in PNAS with contributions from Carl Lupica, Alexander Hoffman, and Michael Baumann of the NIDA IRP.

Here we demonstrate that various DAT inhibitors can be distinguished based on their in vitro binding kinetics, whereby the dissociation rate (i.e., Koff) of a drug from DAT in vitro predicts the duration of its stimulant effects in vivo.

The SARS-CoV-2 spike protein binds and modulates estrogen receptors

Oscar Solís, Ph.D.

Featured Paper of the Month – April 2023
Published in Science Advances by Oscar Solís and Michael Michaelides et al. from the NIDA IRP Biobehavioral Imaging and Molecular Neuropsychopharmacology Unit.

In our study, we investigated the potential impact of the spike protein of the SARS-CoV-2 virus on estrogen receptors. To do so, we used computational and biochemical methods to study the binding of the spike protein to human estrogen receptors…

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