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Pałucha-Poniewiera A, Rafało-Ulińska A, Santocki M, Babii Y, Kaczorowska K. Partial mGlu 5 receptor NAM, M-5MPEP, induces rapid and sustained antidepressant-like effects in the BDNF-dependent mechanism and enhances (R)-ketamine action in mice. Pharmacol Rep 2024; 76:504-518. [PMID: 38632187 DOI: 10.1007/s43440-024-00588-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 03/08/2024] [Accepted: 03/08/2024] [Indexed: 04/19/2024]
Abstract
BACKGROUND Partial negative allosteric modulators (NAM) of the metabotropic glutamate 5 (mGlu5) receptor are an excellent alternative to full antagonists and NAMs because they retain therapeutic effects and have a much broader therapeutic window. Here, we investigated whether partial mGlu5 NAM, 2-(2-(3-methoxyphenyl)ethynyl)-5-methylpyridine (M-5MPEP), induced a fast and sustained antidepressant-like effect, characteristic of rapid-acting antidepressant drugs (RAADs) like ketamine, in mice. METHODS A tail suspension test (TST) was used to investigate acute antidepressant-like effects. Sustained effects were studied 24 h after the four intraperitoneal (ip) administrations using the splash test, designed to measure apathy-like state, the sucrose preference test (SPT), reflecting anhedonia, and the TST. Western blot and ELISA techniques were used to measure brain-derived neurotrophic factor (BDNF) and selected protein levels. METHODS A tail suspension test (TST) was used to investigate acute antidepressant-like effects. Sustained effects were studied 24 h after the four intraperitoneal (ip) administrations using the splash test, designed to measure apathy-like state, the sucrose preference test (SPT), reflecting anhedonia, and the TST. Western blot and ELISA techniques were used to measure brain-derived neurotrophic factor (BDNF) and selected protein levels. CONCLUSION Partial mGlu5 receptor NAM, M-5MPEP, induced rapid and sustained antidepressant-like effects in the BDNF-dependent mechanism and enhanced (R)-ketamine action in mice, indicating both substances' convergent mechanisms of action and the possibility of their practical use in treating depression as RAAD.
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Affiliation(s)
- Agnieszka Pałucha-Poniewiera
- Department of Neurobiology, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, Kraków, 31-343, Poland.
| | - Anna Rafało-Ulińska
- Department of Neurobiology, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, Kraków, 31-343, Poland
| | - Michal Santocki
- Department of Neurobiology, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, Kraków, 31-343, Poland
| | - Yana Babii
- Department of Neurobiology, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, Kraków, 31-343, Poland
| | - Katarzyna Kaczorowska
- Department of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, Kraków, 31-343, Poland
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Liu R, Zhang X, Yan J, Liu S, Li Y, Wu G, Gao J. Penehyclidine hydrochloride alleviates lung ischemia-reperfusion injury by inhibiting pyroptosis. BMC Pulm Med 2024; 24:207. [PMID: 38671448 PMCID: PMC11046774 DOI: 10.1186/s12890-024-03018-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
OBJECTIVE The aim of this research was to examine how penehyclidine hydrochloride (PHC) impacts the occurrence of pyroptosis in lung tissue cells within a rat model of lung ischemia-reperfusion injury. METHODS Twenty-four Sprague Dawley (SD) rats, weighing 250 g to 270 g, were randomly distributed into three distinct groups as outlined below: a sham operation group (S group), a control group (C group), and a test group (PHC group). Rats in the PHC group received a preliminary intravenous injection of PHC at a dose of 3 mg/kg. At the conclusion of the experiment, lung tissue and blood samples were collected and properly stored for subsequent analysis. The levels of malondialdehyde, superoxide dismutase, and myeloperoxidase in the lung tissue, as well as IL-18 and IL-1β in the blood serum, were assessed using an Elisa kit. Pyroptosis-related proteins, including Caspase1 p20, GSDMD-N, and NLRP3, were detected through the western blot method. Additionally, the dry-to-wet ratio (D/W) of the lung tissue and the findings from the blood gas analysis were also documented. RESULTS In contrast to the control group, the PHC group showed enhancements in oxygenation metrics, reductions in oxidative stress and inflammatory reactions, and a decrease in lung injury. Additionally, the PHC group exhibited lowered levels of pyroptosis-associated proteins, including the N-terminal segment of gasdermin D (GSDMD-N), caspase-1p20, and nucleotide-binding oligomerization domain-like receptor protein 3 (NLRP3). CONCLUSION Pre-administration of PHC has the potential to mitigate lung ischemia-reperfusion injuries by suppressing the pyroptosis of lung tissue cells, diminishing inflammatory reactions, and enhancing lung function. The primary mechanism behind anti-pyroptotic effect of PHC appears to involve the inhibition of oxidative stress.
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Affiliation(s)
- Rongfang Liu
- Department of Anesthesiology, the Second Hospital of Hebei Medical University, NO. 215 of HePing West Road, Xinhua District Shijiazhuang, 050000, Shijiazhuang, China
- Department of Anesthesiology, Affiliated Hospital of Hebei University, 071000, Baoding, China
| | - Xuguang Zhang
- Department of Thoracic surgery, Affiliated Hospital of Hebei University, 071000, Baoding, China
| | - Jing Yan
- Electron microscope room, Hebei Medical University, 050000, Shijiazhuang, China
| | - Shan Liu
- Department of Pathology, Affiliated Hospital of Hebei University, 071000, Baoding, China
| | - Yongle Li
- Department of Anesthesiology, Affiliated Hospital of Hebei University, 071000, Baoding, China
| | - Guangyi Wu
- Department of Anesthesiology, Affiliated Hospital of Hebei University, 071000, Baoding, China
| | - Jingui Gao
- Department of Anesthesiology, the Second Hospital of Hebei Medical University, NO. 215 of HePing West Road, Xinhua District Shijiazhuang, 050000, Shijiazhuang, China.
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Wu J, Li X, Zhang Q, Li J, Cui R, Li X. Differential effects of intra-RMTg infusions of pilocarpine or 4-DAMP on regulating depression- and anxiety-like behaviors. Behav Brain Res 2024; 462:114833. [PMID: 38220059 DOI: 10.1016/j.bbr.2023.114833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 12/04/2023] [Accepted: 12/20/2023] [Indexed: 01/16/2024]
Abstract
Depression and anxiety are associated with dysfunction of the mesolimbic dopamine system. The rostromedial tegmental nucleus (RMTg) is predominantly composed of GABAergic neurons that exhibit dense projections and strongly inhibit mesolimbic dopaminergic neurons, proposed as a major "brake" for the system. Consequently, the RMTg may be a crucial brain region for regulating these emotions. The central cholinergic system, particularly the muscarinic receptors, plays an important regulatory role in depression and anxiety. M3 muscarinic receptors are distributed on GABAergic neurons in the RMTg, but their involvement in the regulation of depression and anxiety remains uncertain. This study aimed to examine the effects of RMTg M3 muscarinic receptors on regulating depression- and anxiety-like behaviors in adult male Wistar rats, as assessed through the forced swim, tail suspension, and elevated plus maze tests. The results showed that intra-RMTg injections of the M1/M3 muscarinic receptors agonist, pilocarpine (3, 10, and 30 μg/side), or the M3 muscarinic receptors antagonist, 4-DAMP (0.5, 1, and 2 μg/side), did not alter the immobility time in the forced swim and tail suspension tests. Additionally, pilocarpine (30 μg/side) decreased time spent in open arms and increased time in closed arms in the elevated plus maze; while 4-DAMP (1 and 2 μg/side) played the opposite role by increasing time spent in open arms and decreasing time in closed arms. These findings suggest that RMTg M3 muscarinic receptors have differential effects on regulating depression- and anxiety-like behaviors. Enhancing or inhibiting these receptors can produce anxiogenic or anxiolytic effects, but have no impact on depression-like behavior. Therefore, RMTg M3 muscarinic receptors are involved in regulating anxiety and may be a potential therapeutic target for anxiolytic drugs.
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Affiliation(s)
- Jing Wu
- Beijing Key Laboratory of Learning and Cognition, Capital Normal University, Beijing, China; Faculty of Education, Henan Normal University, Xinxiang, China
| | - Xuhong Li
- Department of Education, Lyuliang University, Lyuliang, China
| | - Qi Zhang
- Beijing Key Laboratory of Learning and Cognition, Capital Normal University, Beijing, China
| | - Jiaxiang Li
- Beijing Key Laboratory of Learning and Cognition, Capital Normal University, Beijing, China
| | - Ruisi Cui
- Beijing Key Laboratory of Learning and Cognition, Capital Normal University, Beijing, China
| | - Xinwang Li
- Beijing Key Laboratory of Learning and Cognition, Capital Normal University, Beijing, China.
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Lin H, Lin WH, Lin F, Liu CY, Che CH, Huang HP. Potential Pleiotropic Genes and Shared Biological Pathways in Epilepsy and Depression Based on GWAS Summary Statistics. COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE 2022; 2022:6799285. [PMID: 35463244 PMCID: PMC9019309 DOI: 10.1155/2022/6799285] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 03/01/2022] [Accepted: 03/08/2022] [Indexed: 11/17/2022]
Abstract
Current epidemiological and experimental studies have indicated the overlapping genetic foundation of epilepsy and depression. However, the detailed pleiotropic genetic etiology and neurobiological pathways have not been well understood, and there are many variants with underestimated effect on the comorbidity of the two diseases. Utilizing genome-wide association study (GWAS) summary statistics of epilepsy (15,212 cases and 29,677 controls) and depression (170,756 cases and 329,443 controls) from large consortia, we assessed the integrated gene-based association with both diseases by Multimarker Analysis of Genomic Annotation (MAGMA) and Fisher's meta-analysis. On the one hand, shared genes with significantly altered transcripts in Gene Expression Omnibus (GEO) data sets were considered as possible pleiotropic genes. On the other hand, the pathway enrichment analysis was conducted based on the gene lists with nominal significance in the gene-based association test of each disease. We identified a total of two pleiotropic genes (CD3G and SLCO3A1) with gene expression analysis validated and interpreted twenty-five common biological process supported with literature mining. This study indicates the potentially shared genes associated with both epilepsy and depression based on gene expression, meta-data analysis, and pathway enrichment strategy along with traditional GWAS and provides insights into the possible intersecting pathways that were not previously reported.
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Affiliation(s)
- Han Lin
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China
| | - Wan-Hui Lin
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China
- Intensive Care Unit, Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China
- Fujian Key Laboratory of Molecular Neurology, Fuzhou 350001, China
| | - Feng Lin
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China
| | - Chang-Yun Liu
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China
| | - Chun-Hui Che
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China
| | - Hua-Pin Huang
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China
- Intensive Care Unit, Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China
- Fujian Key Laboratory of Molecular Neurology, Fuzhou 350001, China
- Department of Geriatrics, Fujian Medical University Union Hospital, Fuzhou 350001, China
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Guo L, Gao T, Gao C, Jia X, Ni J, Han C, Wang Y. Stimulation of astrocytic sigma-1 receptor is sufficient to ameliorate inflammation- induced depression. Behav Brain Res 2021; 410:113344. [PMID: 33961912 DOI: 10.1016/j.bbr.2021.113344] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 04/28/2021] [Accepted: 04/30/2021] [Indexed: 12/16/2022]
Abstract
Astrocytes play important roles in the development of depression. As a promising target for antidepressant development, sigma-1 receptor (Sig-1R) is reported to promote activation of astrocyte in chronic stress-induced depression in our previous study. However, astrocytes are hyper-activated in inflammation-induced depression, raising concerns of whether stimulation of astrocytic Sig-1R would exert antidepressant-like effect in inflammation-induced depression. Here we reported that specific stimulation of astrocytic Sig-1R using adeno-associated virus (AAV) significantly attenuated lipopolysaccharide (LPS)- induced depressive-like behavior in the forced swim test (FST), tail suspension test (TST), sucrose preference test, and improved the memory function in novel object recognition test. Besides, specific stimulation of astrocytic Sig-1R decreased the activation of astrocyte and microglia, as well as increased brain-derived neurotrophic factor (BDNF) in LPS-induced depression. In primary cultured astrocytes, overexpression of Sig-1R also reduced the expression of IL-1β, TNF-α, iNOS during inflammation-treated astrocyte. Taken together, the results suggest that specific stimulation of astrocytic Sig-1R ameliorates inflammation-induced depressive-like behavior, providing the evidence that astrocytic Sig-1R could represent a reliable therapeutic target for depression.
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Affiliation(s)
- Lin Guo
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Jiangsu, China; Department of Pharmacy, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Tianyu Gao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Jiangsu, China
| | - Ce Gao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Jiangsu, China
| | - Xiaoxia Jia
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Jiangsu, China
| | - Jing Ni
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Jiangsu, China
| | - Chaojun Han
- Department of Pharmacology, College of Pharmacy, Shaanxi University of Chinese Medicine, Shaanxi, China
| | - Yun Wang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Jiangsu, China.
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Liu S, Shi D, Sun Z, He Y, Yang J, Wang G. M2-AChR Mediates Rapid Antidepressant Effects of Scopolamine Through Activating the mTORC1-BDNF Signaling Pathway in the Medial Prefrontal Cortex. Front Psychiatry 2021; 12:601985. [PMID: 34093254 PMCID: PMC8176437 DOI: 10.3389/fpsyt.2021.601985] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 04/06/2021] [Indexed: 01/22/2023] Open
Abstract
Background: Scopolamine, a non-selective muscarinic acetylcholine receptor (M1~5-AChR) antagonist, has rapid and robust antidepressant effects in humans and other species. However, which of the five M-AChRs mediates these therapeutic effects has not been fully identified. Several studies implicate M2-AChR as a potential antidepressant target of scopolamine. This study aimed to explore the role of M2-AChR in scopolamine's antidepressant-like effects and determine the underlying mechanisms. Methods: We used the classic novelty suppressed feeding test (NSFT), open field test (OFT) and forced swim test (FST) to observe antidepressant-related behaviors of normal rats, medial prefrontal cortex (mPFC) neuron silenced rats and M2-AChR knockdown rats treated with scopolamine. In a further experiment, the M2 cholinergic receptor antagonist methoctramine (MCT) was injected intracerebroventricularly into normal rats. Levels of mTORC1 and brain-derived neurotrophic factor (BDNF) in the mPFC of animals were analyzed by Western blotting. Results: Consistent with previous studies, mPFC was required for the antidepressant-like effects of scopolamine, and intracerebroventricular injection of MCT into rats could produce similar antidepressant-like effects. Use of AAV-shRNA to knock down M2-AChR in the mPFC resulted in the antidepressant-like effects of scopolamine being blunted. Furthermore, Western blotting demonstrated increased expression of mTORC1 signaling and BDNF in MCT-treated rats. Conclusion: Our results indicate that M2-AChR in the mPFC mediates the antidepressant-like effects of scopolamine by increasing the expression of BDNF and activating the mTORC1 signaling pathway.
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Affiliation(s)
- Shuang Liu
- The National Clinical Research Center for Mental Disorder and Beijing Key Laboratory of Mental Disorder, Beijing Anding Hospital, Capital Medical University, Beijing, China
| | - Dandan Shi
- The National Clinical Research Center for Mental Disorder and Beijing Key Laboratory of Mental Disorder, Beijing Anding Hospital, Capital Medical University, Beijing, China
| | - Zuoli Sun
- The National Clinical Research Center for Mental Disorder and Beijing Key Laboratory of Mental Disorder, Beijing Anding Hospital, Capital Medical University, Beijing, China
| | - Yi He
- The National Clinical Research Center for Mental Disorder and Beijing Key Laboratory of Mental Disorder, Beijing Anding Hospital, Capital Medical University, Beijing, China
| | - Jian Yang
- The National Clinical Research Center for Mental Disorder and Beijing Key Laboratory of Mental Disorder, Beijing Anding Hospital, Capital Medical University, Beijing, China
- Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Gang Wang
- The National Clinical Research Center for Mental Disorder and Beijing Key Laboratory of Mental Disorder, Beijing Anding Hospital, Capital Medical University, Beijing, China
- Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
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Witkin JM, Smith JL, Golani LK, Brooks EA, Martin AE. Involvement of muscarinic receptor mechanisms in antidepressant drug action. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2020; 89:311-356. [PMID: 32616212 DOI: 10.1016/bs.apha.2020.03.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Conventional antidepressants typically require weeks of daily dosing to achieve full antidepressant response in antidepressant responders. A newly evolving group of compounds can engender more rapid response times in depressed patients. These drugs include the newly approved antidepressant (S)-ketamine (esketamine, Spravato). A seminal study by Furey and Drevets in 2006 showed antidepressant response in patients after only a few doses with the antimuscarinic drug scopolamine. Several clinical reports have generally confirmed scopolamine as a rapid-acting antidepressant. The data with scopolamine are consistent with the adrenergic/cholinergic hypothesis of mania/depression derived from clinical reports originating in the 1970s from Janowsky and colleagues. Additional support for a role for muscarinic receptors in mood disorders comes from the greater efficacy of conventional antidepressants that have relatively high levels of muscarinic receptor blocking actions (e.g., the tricyclic antidepressant amitriptyline vs the selective serotonin reuptake inhibitor fluoxetine). There appears to be appreciable overlap in the mechanisms of action of scopolamine and other rapid-acting antidepressants (ketamine) or putative rapid-acting agents (mGlu2/3 receptor antagonists) although gaps exist in the experimental literature. Current hypotheses regarding the mechanisms underlying the rapid antidepressant response to scopolamine posit an M1 receptor subtype-initiated cascade of biological events that involve the amplification of AMPA receptors. Consequent impact on brain-derived neurotrophic factor and mTor signaling pathways result in the induction of dendritic spines that enable augmented functional connectivity in brain areas regulating mood. Two major goals for research in this area focus on finding ways in which scopolamine might best be utilized for depressed patients and the discovery of alternative compounds that improve upon the efficacy and safety of scopolamine.
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Affiliation(s)
- Jeffrey M Witkin
- Witkin Consulting Group, Carmel, IN, United States; Departments of Neuroscience and Trauma Research, Ascension St. Vincent Hospital, Indianapolis, IN, United States; Department of Chemistry & Biochemistry, University of Wisconsin-Milwaukee, Milwaukee, WI, United States.
| | - Jodi L Smith
- Peyton Manning Children's Hospital, Ascension St. Vincent, Indianapolis, IN, United States
| | - Lalit K Golani
- Department of Chemistry & Biochemistry, University of Wisconsin-Milwaukee, Milwaukee, WI, United States
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Duloxetine reverses the symptoms of overactive bladder co-existing with depression via the central pathways. Pharmacol Biochem Behav 2020; 189:172842. [DOI: 10.1016/j.pbb.2019.172842] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 12/04/2019] [Accepted: 12/28/2019] [Indexed: 12/20/2022]
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