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JOURNAL ARTICLE
Meng Hao, Yufeng He, Tingting Song, Huimin Guo, Margaret P Rayman, Jinsong Zhang
Many studies show either the absence, or very low levels of, SARS-CoV-2 viral RNA and/or antigen in the brain of COVID-19 patients. Reports consistently indicate an abortive infection phenomenon in nervous cells despite the fact that they contain the SARS-CoV-2 receptor, ACE2. Dopamine levels in different brain regions are in the range of micromolar to millimolar concentrations. We have shown that sub-micromolar to low micromolar concentrations of dopamine or its precursor (levodopa) time- and dose-dependently inhibit the activity of SARS-CoV-2 main protease (Mpro), which is vital for the viral life cycle, by forming a quinoprotein...
May 6, 2024: Free Radical Biology & Medicine
#2
JOURNAL ARTICLE
Kentaro Matsuzaki, Naotoshi Sugimoto, Shahdat Hossain, Rafiad Islam, Eri Sumiyoshi, Michio Hashimoto, Hiroko Kishi, Osamu Shido
Attention-deficit/hyperactivity disorder (ADHD) is a developmental disorder and dopaminergic dysfunction in the prefrontal cortex (PFC) may play a role. Our previous research indicated that theobromine (TB), a methylxanthine, enhances cognitive function in rodents via the PFC. This study investigates TB's effects on hyperactivity and cognitive function in stroke-prone spontaneously hypertensive rats (SHR), an ADHD animal model. Male SHRs (6-week old) received a diet containing 0.05% TB for 40 days, while control rats received normal diets...
May 7, 2024: Food & Function
#3
Nora I Strom, Zachary F Gerring, Marco Galimberti, Dongmei Yu, Matthew W Halvorsen, Abdel Abdellaoui, Cristina Rodriguez-Fontenla, Julia M Sealock, Tim Bigdeli, Jonathan R Coleman, Behrang Mahjani, Jackson G Thorp, Katharina Bey, Christie L Burton, Jurjen J Luykx, Gwyneth Zai, Silvia Alemany, Christine Andre, Kathleen D Askland, Nerisa Banaj, Cristina Barlassina, Judith Becker Nissen, O Joseph Bienvenu, Donald Black, Michael H Bloch, Julia Boberg, Sigrid Børte, Rosa Bosch, Michael Breen, Brian P Brennan, Helena Brentani, Joseph D Buxbaum, Jonas Bybjerg-Grauholm, Enda M Byrne, Judit Cabana-Dominguez, Beatriz Camarena, Adrian Camarena, Carolina Cappi, Angel Carracedo, Miguel Casas, Maria Cristina Cavallini, Valentina Ciullo, Edwin H Cook, Jesse Crosby, Bernadette A Cullen, Elles J De Schipper, Richard Delorme, Srdjan Djurovic, Jason A Elias, Xavier Estivill, Martha J Falkenstein, Bengt T Fundin, Lauryn Garner, Chris German, Christina Gironda, Fernando S Goes, Marco A Grados, Jakob Grove, Wei Guo, Jan Haavik, Kristen Hagen, Kelly Harrington, Alexandra Havdahl, Kira D Höffler, Ana G Hounie, Donald Hucks, Christina Hultman, Magdalena Janecka, Eric Jenike, Elinor K Karlsson, Kara Kelley, Julia Klawohn, Janice E Krasnow, Kristi Krebs, Christoph Lange, Nuria Lanzagorta, Daniel Levey, Kerstin Lindblad-Toh, Fabio Macciardi, Brion Maher, Brittany Mathes, Evonne McArthur, Nathaniel McGregor, Nicole C McLaughlin, Sandra Meier, Euripedes C Miguel, Maureen Mulhern, Paul S Nestadt, Erika L Nurmi, Kevin S O'Connell, Lisa Osiecki, Olga Therese Ousdal, Teemu Palviainen, Nancy L Pedersen, Fabrizio Piras, Federica Piras, Sriramya Potluri, Raquel Rabionet, Alfredo Ramirez, Scott Rauch, Abraham Reichenberg, Mark A Riddle, Stephan Ripke, Maria C Rosário, Aline S Sampaio, Miriam A Schiele, Anne Heidi Skogholt, Laura G Sloofman G Sloofman, Jan Smit, María Soler Artigas, Laurent F Thomas, Eric Tifft, Homero Vallada, Nathanial van Kirk, Jeremy Veenstra-VanderWeele, Nienke N Vulink, Christopher P Walker, Ying Wang, Jens R Wendland, Bendik S Winsvold, Yin Yao, Hang Zhou, Arpana Agrawal, Pino Alonso, Götz Berberich, Kathleen K Bucholz, Cynthia M Bulik, Danielle Cath, Damiaan Denys, Valsamma Eapen, Howard Edenberg, Peter Falkai, Thomas V Fernandez, Abby J Fyer, J M Gaziano, Dan A Geller, Hans J Grabe, Benjamin D Greenberg, Gregory L Hanna, Ian B Hickie, David M Hougaard, Norbert Kathmann, James Kennedy, Dongbing Lai, Mikael Landén, Stéphanie Le Hellard, Marion Leboyer, Christine Lochner, James T McCracken, Sarah E Medland, Preben B Mortensen, Benjamin M Neale, Humberto Nicolini, Merete Nordentoft, Michele Pato, Carlos Pato, David L Pauls, John Piacentini, Christopher Pittenger, Danielle Posthuma, Josep Antoni Ramos-Quiroga, Steven A Rasmussen, Margaret A Richter, David R Rosenberg, Stephan Ruhrmann, Jack F Samuels, Sven Sandin, Paul Sandor, Gianfranco Spalletta, Dan J Stein, S Evelyn Stewart, Eric A Storch, Barbara E Stranger, Maurizio Turiel, Thomas Werge, Ole A Andreassen, Anders D Børglum, Susanne Walitza, Kristian Hveem, Bjarne K Hansen, Christian P Rück, Nicholas G Martin, Lili Milani, Ole Mors, Ted Reichborn-Kjennerud, Marta Ribasés, Gerd Kvale, David Mataix-Cols, Katharina Domschke, Edna Grünblatt, Michael Wagner, John-Anker Zwart, Gerome Breen, Gerald Nestadt, Jaakko Kaprio, Paul D Arnold, Dorothy E Grice, James A Knowles, Helga Ask, Karin J Verweij, Lea K Davis, Dirk J Smit, James J Crowley, Jeremiah M Scharf, Murray B Stein, Joel Gelernter, Carol A Mathews, Eske M Derks, Manuel Mattheisen
Obsessive-compulsive disorder (OCD) affects ∼1% of the population and exhibits a high SNP-heritability, yet previous genome-wide association studies (GWAS) have provided limited information on the genetic etiology and underlying biological mechanisms of the disorder. We conducted a GWAS meta-analysis combining 53,660 OCD cases and 2,044,417 controls from 28 European-ancestry cohorts revealing 30 independent genome-wide significant SNPs and a SNP-based heritability of 6.7%. Separate GWAS for clinical, biobank, comorbid, and self-report sub-groups found no evidence of sample ascertainment impacting our results...
March 13, 2024: medRxiv
#4
JOURNAL ARTICLE
Viktória Meszár, Gabriella Magyar, Gabriella Mészárosné Pásztor, Balázs Szatmári, Krisztina Péter, Lívia Marton, Zsófia B Dombi, Ágota Barabássy
INTRODUCTION: Cariprazine is an atypical dopamine receptor partial agonist antipsychotic available in the form of capsules. Although capsules are one of the most desirable routes of administration, there are certain situations (e. g., in an acute psychiatric setting, or when swallowing difficulties, or liquid shortages are present) when they cannot be administered. Therefore, alternative solutions like orodispersible tablets are needed. This study aimed to investigate the bioequivalence of a newly developed orodispersible tablet to the commercially available hard gelatine capsule of cariprazine 1...
May 6, 2024: Pharmacopsychiatry
#5
JOURNAL ARTICLE
David Alan Parker, Sid Imes, Gabrielle Ruban, Opal Yates Ousley, Brett Henshey, Nicholas M Massa, Elaine Walker, Joseph F Cubells, Erica Duncan
BACKGROUND: 22q11.2 deletion syndrome (22q11DS) is one of the most robust genetic predictors of psychosis and other psychiatric illnesses. In this study, we examined 22q11DS subjects' acoustic startle responses (ASRs), which putatively index psychosis risk. Latency of the ASR is a presumptive marker of neural processing speed and is prolonged (slower) in schizophrenia. ASR measures correlate with increased psychosis risk, depend on glutamate and dopamine receptor signaling, and could serve as translational biomarkers in interventions for groups at high psychosis risk...
May 3, 2024: Schizophrenia Research
#6
JOURNAL ARTICLE
Yangliuqing He, Fenrong Liang, Yiming Wang, Yuhan Wei, Tianpei Ma
BACKGROUND: Glucagon-like peptide-1 receptor agonists (GLP-1RAs) like liraglutide are primarily used for managing blood sugar levels in type 2 diabetes and aiding weight loss. Typically, their adverse effects are gastrointestinal, with limited exploration into their impact on mental health. CASE PRESENTATION: This report examines a 39-year-old male with type 2 diabetes who developed depressive symptoms after starting liraglutide for glycemic control and weight reduction...
May 3, 2024: Medicine (Baltimore)
#7
JOURNAL ARTICLE
Nitin Khandelwal, Ashwinikumar Kulkarni, Newaz I Ahmed, Matthew Harper, Genevieve Konopka, Jay R Gibson
Long-range glutamatergic inputs originating from the cortex and thalamus are indispensable for striatal development, providing the foundation for motor and cognitive functions. Despite their significance, transcriptional regulation governing these inputs remains largely unknown. We investigated the role of a transcription factor encoded by a high-risk autism-associated gene, FOXP1 , in sculpting glutamatergic inputs onto spiny projection neurons (SPNs) within the striatum. We find a neuron subtype-specific role of FOXP1 in strengthening and maturing glutamatergic inputs onto dopamine receptor 2-expressing SPNs (D2 SPNs)...
May 3, 2024: Science Advances
#8
JOURNAL ARTICLE
Abdullahi Adejare, A K Oloyo, I O Ishola, A A Busari, K B Ismail-Badmus, M M Abdulrazaq, O O Osifala, M O Salami
BACKGROUND: Smoking is associated with dysregulation of the antioxidant system and addiction. AIM: This study sought to ascertain the effect of Nigella Sativa (NS) oil on the antioxidant system, nicotine/tobacco addiction as well as the expressions of α4β2 nicotinic (nAChR) and dopamine type-2 (DRD2) receptors in selected brain regions of the rat. METHODS: Thirty male Sprague-Dawley rats were divided into 6 groups comprising of vehicle-treated control, NS oil only, Smoke only, Smoke + NS oil, Nicotine only and Nicotine + NS oil...
December 31, 2023: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
#9
JOURNAL ARTICLE
Daniel Hoops, Yohan Yee, Christopher Hammill, Sammi Wong, Colleen Manitt, Barry J Bedell, Lindsay Cahill, Jason P Lerch, Cecilia Flores, John G Sled
BACKGROUND: Critical adolescent neural refinement is controlled by the DCC (deleted in colorectal cancer) protein, a receptor for the netrin-1 guidance cue. We sought to describe the effects of reduced DCC on neuroanatomy in the adolescent and adult mouse brain. METHODS: We examined neuronal connectivity, structural covariance, and molecular processes in a DCC -haploinsufficient mouse model, compared with wild-type mice, using new, custom analytical tools designed to leverage publicly available databases from the Allen Institute...
2024: Journal of Psychiatry & Neuroscience: JPN
#10
JOURNAL ARTICLE
Inder Kaul, Sharon Sawchak, David P Walling, Carol A Tamminga, Alan Breier, Haiyuan Zhu, Andrew C Miller, Steven M Paul, Stephen K Brannan
IMPORTANCE: A significant need exists for new antipsychotic medications with different mechanisms of action, greater efficacy, and better tolerability than existing agents. Xanomeline is a dual M1/M4 preferring muscarinic receptor agonist with no direct D2 dopamine receptor blocking activity. KarXT combines xanomeline with the peripheral muscarinic receptor antagonist trospium chloride with the goal of reducing adverse events due to xanomeline-related peripheral muscarinic receptor activation...
May 1, 2024: JAMA Psychiatry
#11
JOURNAL ARTICLE
Rohil Hameed, Anam Naseer, Ankit Saxena, Mahmood Akbar, Pranoy Toppo, Arunabh Sarkar, Sanjeev K Shukla, Aamir Nazir
Glial cells constitute nearly half of the mammalian nervous system's cellular composition. The glia in C. elegans perform majority of tasks comparable to those conducted by their mammalian equivalents. The cephalic sheath (CEPsh) glia, which are known to be the counterparts of mammalian astrocytes, are enriched with two nuclear hormone receptors (NHRs)-NHR-210 and NHR-231. This unique enrichment makes the CEPsh glia and these NHRs intriguing subjects of study concerning neuronal health. We endeavored to assess the role of these NHRs in neurodegenerative diseases and related functional processes, using transgenic C...
May 1, 2024: Cellular and Molecular Life Sciences: CMLS
#12
JOURNAL ARTICLE
Yanfang Zhao, Wanbao Ding, Peixian Zhang, Lei Deng, Yi Long, Jiuqin Lu, Fereshteh Shiri, Mostafa Heidari Majd
BACKGROUND: Although tamoxifen (TMX) belongs to selective estrogen receptor modulators (SERMs) and selectively binds to estrogen receptors, it affects other estrogen-producing tissues due to passive diffusion and non-differentiation of normal and cancerous cells and leads to side effects. METHODS: The problems expressed about tamoxifen (TMX) encouraged us to design a new drug delivery system based on magnetic nanoparticles (MNPs) to simultaneously target two receptors on cancer cells through folic acid (FA) and hyaluronic acid (HA) groups...
April 29, 2024: Anti-cancer Agents in Medicinal Chemistry
#13
JOURNAL ARTICLE
Shan Gao, Ling Fan, Zhigang Yu, Xingxing Xie
Lurasidone is an atypical anti-psychotic approved by the US Food and Drug Administration. It is mainly used to treat schizophrenia in adults through its antagonistic action on dopamine and 5-hydroxytryptamine receptors. The present study systematically assessed the efficacy and safety of lurasidone in the treatment of schizophrenia. Clinical, double-blind, parallel, randomized controlled trials (RCTs) of lurasidone in the treatment of schizophrenia were retrieved from PubMed\Medline, EBSCO, Embase, Cochrane Library, OVID, Web of Science and related clinical trial registration websites up to May 2023...
June 2024: Biomedical Reports
#14
JOURNAL ARTICLE
Kryspin Andrzejewski, Magdalena E Orłowska, Małgorzata Zaremba, Ilona Joniec-Maciejak, Katarzyna Kaczyńska
In Parkinson's disease (PD), along with typical motor dysfunction, abnormal breathing is present; the cause of which is not well understood. The study aimed to analyze the effects of stimulation of the serotonergic system with 5-HT1A and 5-HT2A agonists in a model of PD induced by injection of 6-hydroxydopamine (6-OHDA). To model PD, bilateral injection of 6-OHDA into both striata was performed in male Wistar rats. Respiratory disturbances in response to 7% hypercapnia (CO2 in O2 ) in the plethysmographic chamber before and after stimulation of the serotonergic system and the incidence of apnea were studied in awake rats 5 weeks after 6-OHDA or vehicle injection...
April 17, 2024: International Journal of Molecular Sciences
#15
JOURNAL ARTICLE
Alison G P Wakeford, Jonathon A Nye, Elyse L Morin, Jiyoung Mun, Jerrold S Meyer, Mark Goodman, Leonard L Howell, Mar M Sanchez
Stress affects brain serotonin (5HT) and dopamine (DA) function, and the effectiveness of 5HT and DA to regulate stress and emotional responses. However, our understanding of the long-term impact of early life adversity (ELA) on primate brain monoaminergic systems during adolescence is scarce and inconsistent. Filling this gap in the literature is critical, given that the emergence of psychopathology during adolescence has been related to deficits in these systems. Here, we use a translational nonhuman primate (NHP) model of ELA (infant maltreatment by the mother) to examine the long-term impact of ELA on adolescent 5HT1A , 5HT2A and D2 receptor systems...
April 26, 2024: Neuropsychopharmacology
#16
JOURNAL ARTICLE
Anna C Stoll, Christopher J Kemp, Joseph R Patterson, Michael Kubik, Nathan Kuhn, Matthew Benskey, Megan F Duffy, Kelvin C Luk, Caryl E Sortwell
BACKGROUND: Parkinson's disease (PD) is a neurodegenerative disorder that is characterized by the presence of proteinaceous alpha-synuclein (α-syn) inclusions (Lewy bodies), markers of neuroinflammation and the progressive loss of nigrostriatal dopamine (DA) neurons. These pathological features can be recapitulated in vivo using the α-syn preformed fibril (PFF) model of synucleinopathy. We have previously determined that microglia proximal to PFF-induced nigral α-syn inclusions increase in soma size, upregulate major-histocompatibility complex-II (MHC-II) expression, and increase expression of a suite of inflammation-associated transcripts...
April 25, 2024: Journal of Neuroinflammation
#17
JOURNAL ARTICLE
Kevin M Honeywell, Timothy G Freels, Megan A McWain, Abigail S Chaffin, Hunter G Nolen, Helen J Sable, Deranda B Lester
The cannabinoid system is being researched as a potential pharmaceutical target for a multitude of disorders. The present study examined the effect of indirect and direct cannabinoid agonists on mesolimbic dopamine release and related behaviors in C57BL/6J (B6) mice. The indirect cannabinoid agonist N-arachidonoyl serotonin (AA-5-HT) indirectly agonizes the cannabinoid system by preventing the metabolism of endocannabinoids through fatty acid amide hydrolase inhibition while also inhibiting transient receptor potential vanilloid Type 1 channels...
April 2024: Behavioral Neuroscience
#18
JOURNAL ARTICLE
Hannah R Stutt, Matthew A Weber, Rachel C Cole, Alexandra S Bova, Xin Ding, Madison S McMurrin, Nandakumar S Narayanan
Rodent behavioral studies have largely focused on male animals, which has limited the generalizability and conclusions of neuroscience research. Working with humans and rodents, we studied sex effects during interval timing that requires participants to estimate an interval of several seconds by making motor responses. Interval timing requires attention to the passage of time and working memory for temporal rules. We found no differences between human females and males in interval timing response times (timing accuracy) or the coefficient of variance of response times (timing precision)...
April 2024: Behavioral Neuroscience
#19
JOURNAL ARTICLE
Avinash Veerappa, Chittibabu Guda
Determining the key genetic variants is a crucial step to comprehensively understand substance use disorders (SUDs). In this study, utilizing whole exome sequences of five multi-generational pedigrees with SUDs, we used an integrative omics-based approach to uncover candidate genetic variants that impart susceptibility to SUDs and influence addition traits. We identified several SNPs and rare, protein-function altering variants in genes, GRIA3 , NCOR1 , and SHANK1 ; compound heterozygous variants in LNPEP , LRP1 , and TBX2 , that play a significant role in the neurotransmitter-neuropeptide axis, specifically in the dopaminergic circuits...
2024: Frontiers in Neuroscience
#20
Amanda S Latham, Savannah M Rocha, Casey P McDermott, Philip Reigan, Richard A Slayden, Ronald B Tjalkens
Parkinson's disease (PD) is the most common neurodegenerative movement disorder worldwide. Current treatments for PD largely center around dopamine replacement therapies and fail to prevent the progression of pathology, underscoring the need for neuroprotective interventions. Approaches that target neuroinflammation, which occurs prior to dopaminergic neuron (DAn) loss in the substantia nigra (SN), represent a promising therapeutic strategy. The glucocorticoid receptor (GR) has been implicated in the neuropathology of PD and modulates numerous neuroinflammatory signaling pathways in the brain...
April 15, 2024: bioRxiv
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