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Wang JY, Ren P, Cui LY, Duan JY, Chen HL, Zeng ZR, Li YF. Astrocyte-specific inhibition of sigma-1 receptor leads to depressive-like behaviors in mice via activation of NF-κB-induced neuroinflammation. Brain Behav Immun 2024:S0889-1591(24)00448-3. [PMID: 38852761 DOI: 10.1016/j.bbi.2024.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/29/2024] [Accepted: 06/06/2024] [Indexed: 06/11/2024] Open
Abstract
Major depressive disorder (MDD) is a global health burden characterized by persistent low mood, deprivation of pleasure, recurrent thoughts of death, and physical and cognitive deficits. The current understanding of the pathophysiology of MDD is lacking, resulting in few rapid and effective antidepressant therapies. Recent studies have pointed to the sigma-1 (σ-1) receptor as a potential rapid antidepressant target; σ-1 agonists have shown promise in a variety of preclinical depression models. Hypidone hydrochloride (YL-0919), an independently developed antidepressant by our institute with faster onset of action and low rate of side effects, has recently emerged as a highly selective σ-1 receptor agonist; however, its underlying astrocyte-specific mechanism is unknown. In this study, we investigated the effect of YL-0919 treatment on gene expression in the prefrontal cortex of depressive-like mice by single-cell RNA sequencing. Furthermore, we knocked down σ-1 receptors on astrocytes in the medial prefrontal cortex of mice to explore the effects of YL-0919 on depressive-like behavior and neuroinflammation in mice. Our results demonstrated that astrocyte-specific knockdown of σ-1 receptor resulted in depressive-like behavior in mice, which was reversed by YL-0919 administration. In addition, astrocytic σ-1 receptor deficiency led to activation of the NF-κB inflammatory pathway, and crosstalk between reactive astrocytes and activated microglia amplified neuroinflammation, exacerbating stress-induced neuronal apoptosis. Furthermore, the depressive-like behavior induced by astrocyte-specific knockdown of the σ-1 receptor was improved by a selective NF-κB inhibitor, JSH-23, in mice. Our study not only reaffirms the σ-1 receptor as a key target of the faster antidepressant effect of YL-0919, but also contributes to the development of astrocytic σ-1 receptor-based novel drugs.
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Affiliation(s)
- Jing-Ya Wang
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Peng Ren
- Beijing Institute of Basic Medical Sciences, Beijing, China.
| | - Lin-Yu Cui
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China
| | - Jing-Yao Duan
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China
| | - Hong-Lei Chen
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Zhi-Rui Zeng
- Guizhou Provincial Key Laboratory of Pathogenesis & Drug Research on Common Chronic Diseases, Department of Physiology, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China
| | - Yun-Feng Li
- Beijing Institute of Basic Medical Sciences, Beijing, China; Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China.
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Yan JZ, Li GX, Sun SR, Cui LY, Yin YY, Li YF. A rate-limiting step in antidepressants onset: Excitation of glutamatergic pyramidal neurons in medial prefrontal cortex of rodents. Prog Neuropsychopharmacol Biol Psychiatry 2024; 130:110911. [PMID: 38065287 DOI: 10.1016/j.pnpbp.2023.110911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 11/25/2023] [Accepted: 12/04/2023] [Indexed: 12/25/2023]
Abstract
Although clinical antidepressants have varied mechanisms of action, it remains unclear whether they may have a common mechanism underlying their antidepressant effects. We investigated the behavioral effects of five different antidepressants (differing in target, chemical structure, and rate of onset) and their effects on the firing activities of glutamatergic pyramidal neurons in the medial prefrontal cortex (mPFC) using the forced swimming test (FST) and electrophysiological techniques (in vivo). We employed fiber photometry recordings to validate the effects of antidepressants on the firing activity of pyramidal neurons. Additionally, multichannel electrophysiological recordings were conducted in mice exhibiting depressive-like behaviors induced by chronic restraint stress (CRS) to investigate whether antidepressants exert similar effects on pyramidal neurons in depressed mice. Behavioral tests were utilized for evaluating the depression model. We found that fluoxetine, duloxetine, vilazodone, YL-0919, and ketamine all increase the firing activities of glutamatergic pyramidal neurons (at least 57%) while exerting their initial onset of antidepressant effects. Fiber photometry revealed an increase in the calcium activity of pyramidal neurons in the mPFC at the onset of antidepressant effects. Furthermore, a significant reduction was observed in the firing activity of pyramidal neurons in the mPFC of CRS-exposed mice, which was reversed by antidepressants. Taken together, our findings suggested that five pharmacologically distinct classes of antidepressants share the common ability to increase the firing activity of pyramidal neurons, just different time, which might be a rate-limiting step in antidepressants onset. The study contributes to the body of knowledge of the mechanisms underlying antidepressant effects and paves the way for developing rapid-acting antidepressants.
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Affiliation(s)
- Jiao-Zhao Yan
- Beijing Institute of Basic Medical Sciences, Beijing, China; Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China
| | - Guang-Xiang Li
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Si-Rui Sun
- Beijing Ditan Hospital Capital Medical University, Beijing, China
| | - Lin-Yu Cui
- College of Anesthesia, Shanxi Medical University, Shanxi, China
| | - Yong-Yu Yin
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China.
| | - Yun-Feng Li
- Beijing Institute of Basic Medical Sciences, Beijing, China; Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China.
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Gao Z, Xie S, Wang L, Jiang L, Zhou J, Liang M, Li G, Wang Z, Li Y, Li Y, Han G. Hypidone hydrochloride (YL-0919) protects mice from meningitis via Sigma1R-STAT1-NLRP3-GSDMD pathway. Int Immunopharmacol 2024; 128:111524. [PMID: 38232537 DOI: 10.1016/j.intimp.2024.111524] [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: 11/10/2023] [Revised: 01/06/2024] [Accepted: 01/07/2024] [Indexed: 01/19/2024]
Abstract
BACKGROUND A growing number of studies have found that antidepressants have anti-inflammatory effects while protecting nerves. Hypidone hydrochloride (YL-0919) is a novel highly selective 5-HT reuptake blocker. Our previous studies have demonstrated that YL-0919 exerts notable antidepressant- and anxiolytic-like as well as procognitive effects. However, whether YL-0919 can be used to treat inflammatory and infectious diseases remain unknown. In this study, we aimed to verify the anti-inflammatory effect of YL-0919 on bacterial meningitis and further explore the potential molecular mechanisms. METHODS We performed the experiments on pneumococcal meningitis mice in vivo and S. pneumoniae infected macrophages/microglia in vitro, with or without YL-0919 treatment. Cognitive function was evaluated by open-field task, Morris water maze test, and novel object recognition test. Histopathological staining and immunofluorescence staining were used to detect the pathological damage of meningitis and NLRP3 inflammasome activation in microglia/macrophages. The expression of the STAT1/NLRP3/GSDMD signal pathway was measured by western blots. Proinflammatory cytokines associated with pyroptosis were detected by ELISA. RESULTS YL-0919 protected mice from fatal pneumococcal meningitis, characterized by attenuated cytokine storms, decreased bacterial loads, improved neuroethology, and reduced mortality. NLRP3 plays a key role in the regulation of inflammation. When the underlying mechanisms were investigated, we found that YL-0919 inhibited the activation of NLRP3 via STAT1, and thus inhibited macrophages/microglia pyroptosis, resulting in downregulation of proinflammatory cytokines. In addition, Sigma1R was identified as a pivotal receptor that can be engaged by YL-0919 to inhibit NLRP3 activation and pyroptosis pathway in microglia/macrophages. CONCLUSIONS These results provide new insights into the mechanisms of inflammation regulation mediated by the antidepressant YL-0919. Moreover, targeting the STAT1/NLRP3 pyroptosis pathway is a promising strategy for the treatment of infectious diseases like bacterial meningitis.
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Affiliation(s)
- Zhenfang Gao
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Shun Xie
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Lanying Wang
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | | | - Jie Zhou
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Meng Liang
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Ge Li
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Zhiding Wang
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Yuxiang Li
- Beijing Institute of Basic Medical Sciences, Beijing, China.
| | - Yunfeng Li
- Beijing Institute of Basic Medical Sciences, Beijing, China.
| | - Gencheng Han
- Beijing Institute of Basic Medical Sciences, Beijing, China.
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Chang HX, Dai W, Bao JH, Li JF, Zhang JG, Li YF. Essential role of microglia in the fast antidepressant action of ketamine and hypidone hydrochloride (YL-0919). Front Pharmacol 2023; 14:1122541. [PMID: 37305539 PMCID: PMC10250639 DOI: 10.3389/fphar.2023.1122541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 05/19/2023] [Indexed: 06/13/2023] Open
Abstract
Introduction: Intracerebral microglia play a vital role in mediating central immune response, neuronal repair and synaptic pruning, but its precise role and mechanism in fast action of antidepressants have remained unknown. In this study, we identified that the microglia contributed to the rapid action of antidepressants ketamine and YL-0919. Methods: The depletion of microglia was achieved with the diet containing the colony-stimulating factor 1 receptor (CSF1R) inhibitor PLX5622 in mice. The tail suspension test (TST), forced swimming test (FST) and novelty suppressed feeding test (NSFT) were employed to evaluate the rapid acting antidepressant behavior of ketamine and YL-0919 in the microglia depletion model. The number of microglia in the prefrontal cortex (PFC) was assayed by the immunofluorescence staining. The expressions of synaptic proteins (synapsin-1, PSD-95, GluA1) and brain-derived neurotrophic factor (BDNF) in the PFC were tested by Western blot. Results: The immobility duration in FST and the latency to feed in NSFT were shortened 24 h after an intraperitoneal (i.p.) injection of ketamine (10 mg/kg). The microglial depletion of PLX3397 blocked the rapid antidepressant-like effect of ketamine in mice. In addition, the immobility time in TST and FST as well as latency to feed in NSFT were reduced 24 h after the intragastric (i.g.) administration of YL-0919 (2.5 mg/kg), and the rapid antidepressant effect of YL-0919 was also blocked by the microglial depletion using PLX5622. About 92% of microglia in the prefrontal cortex was depleted in PLX5622 diet-fed mice, while both ketamine and YL-0919 promoted proliferation on the remaining microglia. YL-0919 significantly increased the protein expressions of synapsin-1, PSD-95, GluA1 and BDNF in the PFC, all of which could be blocked by PLX5622. Conclusion: These results suggested the microglia underlying the rapid antidepressant-like effect of ketamine and YL-0919, and microglia would likely constitute in the rapid enhancing impact of synaptic plasticity in the prefrontal cortex by YL-0919.
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Affiliation(s)
- Hai-Xia Chang
- College of Pharmacy, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Wei Dai
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratories of Neuropsychopharmacology, Institute of Pharmacology and Toxicology, Beijing, China
| | - Jin-Hao Bao
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Jin-Feng Li
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Ji-Guo Zhang
- College of Pharmacy, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Yun-Feng Li
- Beijing Institute of Basic Medical Sciences, Beijing, China
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratories of Neuropsychopharmacology, Institute of Pharmacology and Toxicology, Beijing, China
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Li JF, Hu WY, Chang HX, Bao JH, Kong XX, Ma H, Li YF. Astrocytes underlie a faster-onset antidepressant effect of hypidone hydrochloride (YL-0919). Front Pharmacol 2023; 14:1175938. [PMID: 37063256 PMCID: PMC10090319 DOI: 10.3389/fphar.2023.1175938] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 03/13/2023] [Indexed: 03/31/2023] Open
Abstract
Introduction: Major depression disorder (MDD) is a common and potentially life-threatening mental illness; however, data on its pathogenesis and effective therapeutic measures are lacking. Pathological changes in astrocytes play a pivotal role in MDD. While hypidone hydrochloride (YL-0919), an independently developed antidepressant, has shown rapid action with low side effects, its underlying astrocyte-specific mechanisms remain unclear.Methods: In our study, mice were exposed to chronic restraint stress (CRS) for 14 days or concomitantly administered YL-0919/fluoxetine. Behavioral tests were applied to evaluate the depression model; immunofluorescence and immunohistochemistry staining were used to explore morphological changes in astrocytes; astrocyte-specific RNA sequencing (RNA-Seq) analysis was performed to capture transcriptome wide alterations; and ATP and oxygen consumption rate (OCR) levels of primary astrocytes were measured, followed by YL-0919 incubation to appraise the alteration of energy metabolism and mitochondrial oxidative phosphorylation (OXPHOS).Results: YL-0919 alleviated CRS-induced depressive-like behaviors faster than fluoxetine and attenuated the number and morphologic deficits in the astrocytes of depressed mice. The changes of gene expression profile in astrocytes after CRS were partially reversed by YL-0919. Moreover, YL-0919 improved astrocyte energy metabolism and mitochondrial OXPHOS in astrocytes.Conclusion: Our results provide evidence that YL-0919 exerted a faster-onset antidepressant effect on CRS-mice possibly via astrocyte structural remodeling and mitochondria functional restoration.
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Affiliation(s)
- Jin-Feng Li
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Wen-Yu Hu
- Beijing Institute of Basic Medical Sciences, Beijing, China
- Institute of Neuroscience, Hengyang Medical College, University of South China, Hengyang, China
| | - Hai-Xia Chang
- Beijing Institute of Basic Medical Sciences, Beijing, China
- College of Pharmacy, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, China
| | - Jin-Hao Bao
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Xiang-Xi Kong
- Beijing Institute of Basic Medical Sciences, Beijing, China
- Jiangsu Province Key Laboratory of Anesthesiology, Jiangsu Province Key Laboratory of Anesthesia and Analgesia Application, NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
- *Correspondence: Xiang-Xi Kong, ; Hui Ma, ; Yun-Feng Li,
| | - Hui Ma
- Beijing Institute of Basic Medical Sciences, Beijing, China
- *Correspondence: Xiang-Xi Kong, ; Hui Ma, ; Yun-Feng Li,
| | - Yun-Feng Li
- Beijing Institute of Basic Medical Sciences, Beijing, China
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, China
- *Correspondence: Xiang-Xi Kong, ; Hui Ma, ; Yun-Feng Li,
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Ren P, Wang JY, Chen HL, Chang HX, Zeng ZR, Li GX, Ma H, Zhao YQ, Li YF. Sigma-1 receptor agonist properties that mediate the fast-onset antidepressant effect of hypidone hydrochloride (YL-0919). Eur J Pharmacol 2023; 946:175647. [PMID: 36898424 DOI: 10.1016/j.ejphar.2023.175647] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 03/11/2023]
Abstract
The most intriguing characteristic of the sigma-1 receptor is its ability to regulate multiple functional proteins directly via protein-protein interactions, giving the sigma-1 receptor the powerful ability to regulate several survival and metabolic functions in cells, fine tune neuronal excitability, and regulate the transmission of information within brain circuits. This characteristic makes sigma-1 receptors attractive candidates for the development of new drugs. Hypidone hydrochloride (YL-0919), a novel structured antidepressant candidate developed in our laboratory, possess a selective sigma-1 receptor agonist profile, as evidenced by molecular docking, radioligand receptor binding assays, and receptor functional experiments. In vivo studies have revealed that YL-0919 elicits a fast-onset antidepressant activity (within one week) that can be attenuated with pretreatment of the selective sigma-1 receptor antagonist, BD-1047. Taken together, the findings of the current study suggest that YL-0919 activates the sigma-1 receptor to partially mediate the rapid onset antidepressant effects of YL-0919. Thus, YL-0919 is a promising candidate as a fast-onset antidepressant that targets the sigma-1 receptor.
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Affiliation(s)
- Peng Ren
- Beijing Institute of Basic Medical Sciences, Beijing, China.
| | - Jing-Ya Wang
- Beijing Institute of Basic Medical Sciences, Beijing, China.
| | - Hong-Lei Chen
- Graduate Collaborative Training Base of Academy of Military Medical Sciences, Hengyang Medical School, University of South China, Hengyang, China.
| | - Hai-Xia Chang
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Zhi-Rui Zeng
- Guizhou Provincial Key Laboratory of Pathogenesis & Drug Research on Common Chronic Diseases, Department of Physiology, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China
| | - Guang-Xiang Li
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Hui Ma
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Yong-Qi Zhao
- Beijing Institute of Basic Medical Sciences, Beijing, China.
| | - Yun-Feng Li
- Beijing Institute of Basic Medical Sciences, Beijing, China; Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China.
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Antidepressive Effect of Natural Products and Their Derivatives Targeting BDNF-TrkB in Gut-Brain Axis. Int J Mol Sci 2022; 23:ijms232314968. [PMID: 36499295 PMCID: PMC9737781 DOI: 10.3390/ijms232314968] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/24/2022] [Accepted: 11/25/2022] [Indexed: 12/04/2022] Open
Abstract
Modern neurological approaches enable detailed studies on the pathophysiology and treatment of depression. An imbalance in the microbiota-gut-brain axis contributes to the pathogenesis of depression. This extensive review aimed to elucidate the antidepressive effects of brain-derived neurotrophic factor (BDNF)-targeting therapeutic natural products and their derivatives on the gut-brain axis. This information could facilitate the development of novel antidepressant drugs. BDNF is crucial for neuronal genesis, growth, differentiation, survival, plasticity, and synaptic transmission. Signaling via BDNF and its receptor tropomyosin receptor kinase B (TrkB) plays a vital role in the etiopathogenesis of depression and the therapeutic mechanism of antidepressants. This comprehensive review provides information to researchers and scientists for the identification of novel therapeutic approaches for neuropsychiatric disorders, especially depression and stress. Future research should aim to determine the possible causative role of BDNF-TrkB in the gut-brain axis in depression, which will require further animal and clinical research as well as the development of analytical approaches.
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