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Ma H, Li JF, Qiao X, Zhang Y, Hou XJ, Chang HX, Chen HL, Zhang Y, Li YF. Sigma-1 receptor activation mediates the sustained antidepressant effect of ketamine in mice via increasing BDNF levels. Acta Pharmacol Sin 2024; 45:704-713. [PMID: 38097715 PMCID: PMC10943013 DOI: 10.1038/s41401-023-01201-8] [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: 08/31/2023] [Accepted: 11/15/2023] [Indexed: 03/17/2024] Open
Abstract
Sigma-1 receptor (S1R) is a unique multi-tasking chaperone protein in the endoplasmic reticulum. Since S1R agonists exhibit potent antidepressant-like activity, S1R has become a novel target for antidepression therapy. With a rapid and sustained antidepressant effect, ketamine may also interact with S1R. In this study, we investigated whether the antidepressant action of ketamine was related to S1R activation. Depression state was evaluated in the tail suspension test (TST) and a chronic corticosterone (CORT) procedure was used to induce despair-like behavior in mice. The neuronal activities and structural changes of pyramidal neurons in medial prefrontal cortex (mPFC) were assessed using fiber-optic recording and immunofluorescence staining, respectively. We showed that pharmacological manipulation of S1R modulated ketamine-induced behavioral effect. Furthermore, pretreatment with an S1R antagonist BD1047 (3 mg·kg-1·d-1, i.p., for 3 consecutive days) significantly weakened the structural and functional restoration of pyramidal neuron in mPFC caused by ketamine (10 mg·kg-1, i.p., once). Ketamine indirectly triggered the activation of S1R and subsequently increased the level of BDNF. Pretreatment with an S1R agonist SA4503 (1 mg·kg-1·d-1, i.p., for 3 consecutive days) enhanced the sustained antidepressant effect of ketamine, which was eliminated by knockdown of BDNF in mPFC. These results reveal a critical role of S1R in the sustained antidepressant effect of ketamine, and suggest that a combination of ketamine and S1R agonists may be more beneficial for depression patients.
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Affiliation(s)
- Hui Ma
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, China
| | - Jin-Feng Li
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, China
- School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Xin Qiao
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, China
| | - Yue Zhang
- Department of Anesthesiology, Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, China
| | | | - Hai-Xia Chang
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, China
| | - Hong-Lei Chen
- Graduate Collaborative Training Base of Academy of Military Medical Sciences, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Yong Zhang
- Department of Neurobiology, School of Basic Medical Sciences and Neuroscience Research Institute, Peking University, Beijing, 100083, China.
- Key Laboratory for Neuroscience, Ministry of Education/National Health Commission of the People's Republic of China, Beijing, 100083, China.
- IDG/McGovern Institute for Brain Research at Peking University, Beijing, 100083, China.
| | - Yun-Feng Li
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, China.
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, 100850, China.
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Kamitsuka PJ, Ghanem MM, Ziar R, McDonald SE, Thomas MG, Kwakye GF. Defective Mitochondrial Dynamics and Protein Degradation Pathways Underlie Cadmium-Induced Neurotoxicity and Cell Death in Huntington's Disease Striatal Cells. Int J Mol Sci 2023; 24:ijms24087178. [PMID: 37108341 PMCID: PMC10139096 DOI: 10.3390/ijms24087178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 03/31/2023] [Accepted: 03/31/2023] [Indexed: 04/29/2023] Open
Abstract
Exposure to heavy metals, including cadmium (Cd), can induce neurotoxicity and cell death. Cd is abundant in the environment and accumulates in the striatum, the primary brain region selectively affected by Huntington's disease (HD). We have previously reported that mutant huntingtin protein (mHTT) combined with chronic Cd exposure induces oxidative stress and promotes metal dyshomeostasis, resulting in cell death in a striatal cell model of HD. To understand the effect of acute Cd exposure on mitochondrial health and protein degradation pathways, we hypothesized that expression of mHTT coupled with acute Cd exposure would cooperatively alter mitochondrial bioenergetics and protein degradation mechanisms in striatal STHdh cells to reveal novel pathways that augment Cd cytotoxicity and HD pathogenicity. We report that mHTT cells are significantly more susceptible to acute Cd-induced cell death as early as 6 h after 40 µM CdCl2 exposure compared with wild-type (WT). Confocal microscopy, biochemical assays, and immunoblotting analysis revealed that mHTT and acute Cd exposure synergistically impair mitochondrial bioenergetics by reducing mitochondrial potential and cellular ATP levels and down-regulating the essential pro-fusion proteins MFN1 and MFN2. These pathogenic effects triggered cell death. Furthermore, Cd exposure increases the expression of autophagic markers, such as p62, LC3, and ATG5, and reduces the activity of the ubiquitin-proteasome system to promote neurodegeneration in HD striatal cells. Overall, these results reveal a novel mechanism to further establish Cd as a pathogenic neuromodulator in striatal HD cells via Cd-triggered neurotoxicity and cell death mediated by an impairment in mitochondrial bioenergetics and autophagy with subsequent alteration in protein degradation pathways.
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Affiliation(s)
- Paul J Kamitsuka
- Neuroscience Department, Oberlin College, 119 Woodland Street, Oberlin, OH 44074, USA
| | - Marwan M Ghanem
- Neuroscience Department, Oberlin College, 119 Woodland Street, Oberlin, OH 44074, USA
| | - Rania Ziar
- Neuroscience Department, Oberlin College, 119 Woodland Street, Oberlin, OH 44074, USA
| | - Sarah E McDonald
- Neuroscience Department, Oberlin College, 119 Woodland Street, Oberlin, OH 44074, USA
| | - Morgan G Thomas
- Neuroscience Department, Oberlin College, 119 Woodland Street, Oberlin, OH 44074, USA
| | - Gunnar F Kwakye
- Neuroscience Department, Oberlin College, 119 Woodland Street, Oberlin, OH 44074, USA
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Zhang R, Wang X, Xie Z, Cao T, Jiang S, Huang L. Lipoxin A4 methyl ester attenuated ketamine-induced neurotoxicity in SH-SY5Y cells via regulating leptin pathway. Toxicol In Vitro 2023; 89:105581. [PMID: 36907275 DOI: 10.1016/j.tiv.2023.105581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 02/18/2023] [Accepted: 03/08/2023] [Indexed: 03/13/2023]
Abstract
Ketamine, the widely used intravenous anesthetic, has been reported to cause neurotoxicity and disturbs normal neurogenesis. However, the efficacy of current treatment strategies targeting ketamine's neurotoxicity remains limited. Lipoxin A4 methyl ester (LXA4 ME) is relatively stable lipoxin analog, which serves an important role in protecting against early brain injury. The purpose of this study was to investigate the protective effect of LXA4 ME on ketamine-caused cytotoxicity in SH-SY5Y cells, as well as the underlying mechanisms. Cell viability, apoptosis and endoplasmic reticulum stress (ER stress) were detected by adopting experimental techniques including CCK-8 assay, flow cytometry, western blotting and transmission electron microscope. Furthermore, examining the expression of leptin and its receptor (LepRb), we also measured the levels of activation of the leptin signaling pathway. Our results showed that LXA4 ME intervention promoted the cell viability, inhibited cell apoptosis, and reduced the expression of ER stress related protein and morphological changes induced by ketamine. In addition, inhibition of leptin signaling pathway caused by ketamine could be reversed by LXA4 ME. However, as the specific inhibitor of leptin pathway, leptin antagonist triple mutant human recombinant (leptin tA) attenuated the cytoprotective effect of LXA4 ME against ketamine-induced neurotoxicity. In conclusion, our findings demonstrated LXA4 ME could exert a neuroprotective effect on ketamine-induced neuronal injury via activation of the leptin signaling pathway.
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Affiliation(s)
- Rui Zhang
- Department of Anesthesiology, The Second Hospital of Hebei Medical University, No 215 Heping west road, Shijiazhuang, Hebei, China; Qilu Hospital of Shandong University Dezhou Hospital (Dezhou People's Hospital), No. 1166, Dongfanghong West Road, Decheng District, Dezhou City, Shandong Province, China
| | - Xueji Wang
- Department of Anesthesiology, The Second Hospital of Hebei Medical University, No 215 Heping west road, Shijiazhuang, Hebei, China; Hebei Medical University, No.48, Donggang Road, Shijiazhuang, Hebei, China
| | - Ziyu Xie
- Hebei Medical University, No.48, Donggang Road, Shijiazhuang, Hebei, China
| | - Tianyu Cao
- Department of Anesthesiology, The Second Hospital of Hebei Medical University, No 215 Heping west road, Shijiazhuang, Hebei, China
| | - Sufang Jiang
- Department of Anesthesiology, The Second Hospital of Hebei Medical University, No 215 Heping west road, Shijiazhuang, Hebei, China
| | - Lining Huang
- Department of Anesthesiology, The Second Hospital of Hebei Medical University, No 215 Heping west road, Shijiazhuang, Hebei, China.
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Zhang J, Xie S, Chen Y, Zhou X, Zheng Z, Yang L, Li Y. Comprehensive analysis of endoplasmic reticulum stress and immune infiltration in major depressive disorder. Front Psychiatry 2022; 13:1008124. [PMID: 36353576 PMCID: PMC9638134 DOI: 10.3389/fpsyt.2022.1008124] [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: 07/31/2022] [Accepted: 10/10/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Major depressive disorder (MDD) is a life-threatening, debilitating mental health condition. An important factor in the development of depression is endoplasmic reticulum stress (ERS). However, their roles in MDD have not yet been established. The goal of this study was to examine ERS and its underlying molecular mechanisms in MDD. METHODS We used data from two microarray datasets (GSE98793 and GSE39653) and the GeneCards database to examine the reticulum stress-related differentially expressed genes (ERSR-DEGs) associated with MDD. Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG), Gene Set Enrichment Analysis (GSEA), and Gene Set Variation Analysis (GSVA) were used to further investigate the function and mechanism of ERS in MDD. Moreover, we constructed protein-protein interaction (PPI) networks to identify hub genes as well as the regulatory network of microRNAs (miRNAs), transcription factors (TFs), and potential drugs related to ERSR-DEGs. CIBERSORT was then used to evaluate the immune activity of MDD samples and conduct a correlation analysis between the hub genes and immune cells. RESULTS In total, 37 ERSR-DEGs and five hub genes were identified (NCF1, MAPK14, CASP1, CYBA, and TNF). Functional enrichment analysis revealed that ERSR-DEGs were predominantly enriched in inflammation-and immunity-related pathways, such as tumor necrosis factor signaling, NF-κB signaling, and Toll-like receptor signaling pathways. Additionally, 179 miRNAs, 25 TFs, and 15 potential drugs were tested for their interactions with the ERSR-DEGs. CIBERSORT found high proportions of Tregs, monocytes, and macrophages M0 in the MDD samples. Among these, hub genes showed a significant correlation with immune cell infiltration in patients with MDD. CONCLUSIONS NCF1, MAPK14, CASP1, CYBA, and TNF are potential ERS-related biomarkers for the diagnosis of MDD. Our research has revealed a significant correlation between immune cells and ERS-related genes with MDD. Not only did our study contribute to a better understanding of the regulatory mechanisms of ERS in underlying MDD pathology, but it also established a paradigm for future studies on ERS.
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Affiliation(s)
- Jing Zhang
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shujun Xie
- Department of Internal Medicine Teaching and Research, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yujia Chen
- Department of Internal Medicine Teaching and Research, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xin Zhou
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zhuanfang Zheng
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lingling Yang
- Department of Psychological Sleep, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Yan Li
- Department of Psychological Sleep, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
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