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Zhang G, Zhou X, Feng Q, Ke W, Pan J, Zhang H, Luan Y, Lei B. Nerolidol reduces depression-like behavior in mice and suppresses microglia activation by down-regulating DNA methyltransferase 1. Neuroreport 2024; 35:457-465. [PMID: 38526920 DOI: 10.1097/wnr.0000000000002029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Modern medicine has unveiled that essential oil made from Aquilaria possesses sedative and hypnotic effects. Among the chemical components in Aquilaria, nerolidol, a natural sesquiterpene alcohol, has shown promising effects. This study aimed to unravel the potential of nerolidol in treating depression. Chronic unpredictable mild stress (CUMS) was utilized to induce depression-like behavior in mice, and open field test, sucrose preference, and tail suspension test was conducted. The impacts of nerolidol on the inflammatory response, microglial activation, and DNA methyltransferase 1 (DNMT1) were assessed. To study the regulatory role of DNMT1, lipopolysaccharide (LPS) was used to treat BV2 cells, followed by the evaluation of cell viability and DNMT1 level. Additionally, the influence of DNMT1 overexpression on BV2 cell activation was determined. Behavioral analysis revealed that nerolidol reduced depression-like behavior in mice. Nerolidol reduced the levels of inflammatory factors and microglial activation caused by CUMS. Nerolidol treatment was found to reduce DNMT1 levels in mouse brain tissue and it also decrease the LPS-induced increase in DNMT1 levels in BV2 cells. DNMT1 overexpression reversed the impacts of nerolidol on the inflammation response and cell activation. This study underscores the potential of nerolidol in reducing CUMS-induced depressive-like behavior and inhibiting microglial activation by downregulating DNMT1. These findings offer valuable insights into the potential of nerolidol as a therapeutic option for depression.
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Affiliation(s)
- Guangcai Zhang
- Rehabilitation Department, Hainan Medical College Affiliated Traditional Chinese Medicine Hospital, Guangzhou University of Traditional Chinese Medicine Affiliated Hainan Traditional Chinese Medicine Hospital, Hainan Traditional Chinese Medicine Hospital, Haikou, Hainan
| | - Xiaohui Zhou
- Rehabilitation Department, Hainan Medical College Affiliated Traditional Chinese Medicine Hospital, Guangzhou University of Traditional Chinese Medicine Affiliated Hainan Traditional Chinese Medicine Hospital, Hainan Traditional Chinese Medicine Hospital, Haikou, Hainan
| | - Qifan Feng
- Rehabilitation Department, Hainan Medical College Affiliated Traditional Chinese Medicine Hospital, Guangzhou University of Traditional Chinese Medicine Affiliated Hainan Traditional Chinese Medicine Hospital, Hainan Traditional Chinese Medicine Hospital, Haikou, Hainan
| | - Weihua Ke
- Rehabilitation Department, Hainan Medical College Affiliated Traditional Chinese Medicine Hospital, Guangzhou University of Traditional Chinese Medicine Affiliated Hainan Traditional Chinese Medicine Hospital, Hainan Traditional Chinese Medicine Hospital, Haikou, Hainan
- Graduate School, Guangzhou University of Traditional Chinese Medicine, Guangzhou, Guangdong, China
| | - Jiahui Pan
- Rehabilitation Department, Hainan Medical College Affiliated Traditional Chinese Medicine Hospital, Guangzhou University of Traditional Chinese Medicine Affiliated Hainan Traditional Chinese Medicine Hospital, Hainan Traditional Chinese Medicine Hospital, Haikou, Hainan
| | - Haiying Zhang
- Rehabilitation Department, Hainan Medical College Affiliated Traditional Chinese Medicine Hospital, Guangzhou University of Traditional Chinese Medicine Affiliated Hainan Traditional Chinese Medicine Hospital, Hainan Traditional Chinese Medicine Hospital, Haikou, Hainan
| | - Yixian Luan
- Rehabilitation Department, Hainan Medical College Affiliated Traditional Chinese Medicine Hospital, Guangzhou University of Traditional Chinese Medicine Affiliated Hainan Traditional Chinese Medicine Hospital, Hainan Traditional Chinese Medicine Hospital, Haikou, Hainan
| | - Beibei Lei
- Rehabilitation Department, Hainan Medical College Affiliated Traditional Chinese Medicine Hospital, Guangzhou University of Traditional Chinese Medicine Affiliated Hainan Traditional Chinese Medicine Hospital, Hainan Traditional Chinese Medicine Hospital, Haikou, Hainan
- Graduate School, Guangzhou University of Traditional Chinese Medicine, Guangzhou, Guangdong, China
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Raíssa Ferreira de Lima B, Leite de Siqueira Patriota L, de Oliveira Marinho A, Alves da Costa J, Henrique Napoleão T, Melgarejo da Rosa M, Maria Guedes Paiva P. The lectin from Schinus terebinthifolia leaf (SteLL) reduces immobility of mice on the tail suspension test dependent on the monoaminergic and nitric oxide signaling. Neurosci Lett 2023; 801:137092. [PMID: 36690060 DOI: 10.1016/j.neulet.2023.137092] [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: 10/14/2022] [Revised: 01/15/2023] [Accepted: 01/18/2023] [Indexed: 01/21/2023]
Abstract
Depression underlies a common psychiatric disorder that has been rising in the diagnosis of long-term disabilities worldwide. Natural products have been studied as an antidepressant and anxiolytic agents aiming to make available new options for the daily basis treatment of those psychological disorders. SteLL is a lectin extracted from Schinus terebinthifolia leaf that has been revealed as an antimicrobial, immunomodulatory, antitumor, and antinociceptive agent. Nonetheless, the efficacy of SteLL in the treatment of depression has not yet been explored. In view of this, the aim of this study was to investigate the effect of SteLL in an acute protocol for symptoms of depression using the tail suspension test (TST) to assess despair. Administration of SteLL (1, 2 e 4 mg/kg) significantly diminished the immobility time of animals in the TST and this anti-immobility action was dependent on the carbohydrate-recognizing domain (CRD) since the prior incubation with casein (an inhibitor of SteLL carbohydrate-binding property) blocked the effect. SteLL effect was also reversed by pre-treatment with pharmacological antagonists of α2-adrenoceptor, 5-HT2A/2C serotonin receptor, and D1 dopamine receptor as well as by a selective inhibitor of iNOS (aminoguanidine). l-arginine, a precursor of NO, potentiated SteLL anti-immobility effect. In a subacute evaluation, the anti-immobility effect of SteLL persisted after seven days of treatment. Our findings suggest a role of SteLL in the modulation of depression mostly through monoaminergic and nitric oxide signaling.
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Affiliation(s)
| | | | | | - Jainaldo Alves da Costa
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Brazil.
| | - Thiago Henrique Napoleão
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Brazil.
| | - Michelle Melgarejo da Rosa
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Brazil; Núcleo de Pesquisa em Inovação Terapêutica Suely Galdino (NUPIT), Universidade Federal de Pernambuco, Recife, Brazil.
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Selected Biomarkers of Depression: What Are the Effects of Cytokines and Inflammation? Int J Mol Sci 2022; 24:ijms24010578. [PMID: 36614020 PMCID: PMC9820159 DOI: 10.3390/ijms24010578] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/22/2022] [Accepted: 12/25/2022] [Indexed: 12/31/2022] Open
Abstract
Depression is one of the leading mental illnesses worldwide and lowers the quality of life of many. According to WHO, about 5% of the worldwide population suffers from depression. Newer studies report a staggering global prevalence of 27.6%, and it is rising. Professionally, depression belonging to affective disorders is a psychiatric illness, and the category of major depressive disorder (MDD) comprises various diagnoses related to persistent and disruptive mood disorders. Due to this fact, it is imperative to find a way to assess depression quantitatively using a specific biomarker or a panel of biomarkers that would be able to reflect the patients' state and the effects of therapy. Cytokines, hormones, oxidative stress markers, and neuropeptides are studied in association with depression. The latest research into inflammatory cytokines shows that their relationship with the etiology of depression is causative. There are stronger cytokine reactions to pathogens and stressors in depression. If combined with other predisposing factors, responses lead to prolonged inflammatory processes, prolonged dysregulation of various axes, stress, pain, mood changes, anxiety, and depression. This review focuses on the most recent data on cytokines as markers of depression concerning their roles in its pathogenesis, their possible use in diagnosis and management, their different levels in bodily fluids, and their similarities in animal studies. However, cytokines are not isolated from the pathophysiologic mechanisms of depression or other psychiatric disorders. Their effects are only a part of the whole pathway.
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Tang XQ, Liao RY, Zheng LJ, Yang LL, Ma ZL, Yi C, Liu J, Liu JC, Kuang YJ, Cai HA, Huang L. Aerobic exercise reverses the NF-κB/NLRP3 inflammasome/5-HT pathway by upregulating irisin to alleviate post-stroke depression. ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:1350. [PMID: 36660693 PMCID: PMC9843332 DOI: 10.21037/atm-22-5443] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 12/12/2022] [Indexed: 01/01/2023]
Abstract
Background Post-stroke depression (PSD) is one of the most common and serious sequelae of stroke. The pathogenesis of PSD involves both psychosocial and biological mechanisms, and aerobic exercise is a potential therapeutic target. We conducted an in-depth exploration of the protective mechanisms of aerobic exercise in a PSD mouse model. Methods In this study, C57BL/6 mice were used as the research objects, and a PSD mouse model was established by combining middle cerebral artery occlusion and chronic unpredictable mild stimulation. Real-time quantitative polymerase chain reaction, enzyme-linked immunosorbent assays, adeno-associated virus microinjection technology, co-immunoprecipitation, fluorescence in-situ hybridization, and western blotting were performed. A moderate-load treadmill exercise was used for aerobic exercise intervention. The moderate-intensity aerobic exercise training method adopted 0 slopes and treadmill adaptation training for 5 days. We verified the effects of aerobic exercise on the nuclear factor kappa B (NF-κB)/nucleotide-binding oligomerization domain--like receptor protein 3 (NLRP3) inflammasome/5-hydroxytryptamine (5-HT) pathway. Results Aerobic exercise effectively alleviated the neurological damage caused by PSD (P<0.01). The results from the PSD mouse model in vivo were consistent with those of the cell experiments. Moreover, overexpression of irisin improves depression-like behavior in PSD mice. We confirmed that aerobic exercise is involved in PSD through 5-HT, which inhibits NF-κB/NLRP3 inflammasome initiation through irisin and alleviates mitochondrial damage under stress by reducing calcium overload, thereby inhibiting NLRP3 inflammasome activation. Conclusions Aerobic exercise reversed the NF-κB/NLRP3 inflammasome/5-HT pathway by upregulating irisin expression to alleviate PSD.
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Affiliation(s)
- Xue-Qin Tang
- Department of Rehabilitation Medicine, Department of Sports Medicine, Institute of Translational Medicine, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Ruo-Yi Liao
- The First Affiliated Hospital of Hunan University of Traditional Chinese Medicine, Changsha, China
| | - Li-Jun Zheng
- Department of Rehabilitation Medicine, Department of Sports Medicine, Institute of Translational Medicine, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Ling-Ling Yang
- Department of Rehabilitation Medicine, Department of Sports Medicine, Institute of Translational Medicine, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Zhi-Lin Ma
- Department of Rehabilitation Medicine, Department of Sports Medicine, Institute of Translational Medicine, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Chan Yi
- Department of Rehabilitation Medicine, Department of Sports Medicine, Institute of Translational Medicine, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Jin Liu
- Department of Rehabilitation Medicine, Department of Sports Medicine, Institute of Translational Medicine, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Jin-Can Liu
- College of Acupuncture-moxibustion, Tuina and Rehabilitation, Hunan University of Traditional Chinese Medicine, Changsha, China
| | - Yi-Jin Kuang
- College of Acupuncture-moxibustion, Tuina and Rehabilitation, Hunan University of Traditional Chinese Medicine, Changsha, China
| | - Hua-An Cai
- Department of Rehabilitation Medicine, Department of Sports Medicine, Institute of Translational Medicine, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Liang Huang
- Department of Rehabilitation Medicine, Department of Sports Medicine, Institute of Translational Medicine, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
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Lu Y, Liu BP, Tan CT, Pan F, Larbi A, Ng TP. Lifetime pathogen burden, inflammatory markers, and depression in community-dwelling older adults. Brain Behav Immun 2022; 102:124-134. [PMID: 35202734 DOI: 10.1016/j.bbi.2022.02.020] [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: 09/23/2021] [Revised: 01/31/2022] [Accepted: 02/18/2022] [Indexed: 02/07/2023] Open
Abstract
The link between pathogen exposure and mental health has long been hypothesized, but evidence remains limited. We investigated the association of seropositivity to common pathogens and total pathogen burden with depression and mental health and explored the role of mediating inflammatory cytokines. We profiled in 884 participants in the Singapore Longitudinal Ageing Studies, mean (SD) age: 67.9 (8.1) years, their seropositivities for 11 pathogens (CMV, HSV 1, HSV 2, HHV-6, EBV, VZV, RSV, Dengue, Chikungunya, H. Pylori and Plasmodium) and pathogen burden, Geriatric Depression Scale (GDS) score at baseline and 3-4 and 6-8 years follow-up, and baseline Mental Component Score (MCS) of 12-Item Short Form Survey (SF-12). Inflammatory markers included CRP, TNF-α, IL-6, MIP-1α, sgp130, sTNF-RI, sTNF-RII, C3a, and MCP-2. Controlling for age, sex, ethnicity, education, marital status, living alone, and smoking status, high pathogen burden (7 + cumulative infections) compared to low pathogen burden (1-5 cumulative infections) was significantly associated with period prevalence (the highest GDS score from baseline and follow-up measurements) of depressive symptoms (OR = 2.36, 95% CI = 1.05-5.33) and impaired mental health (OR = 2.25, 95% CI = 1.18-4.30). CMV seropositivity and HSV1 seropositivity, which are highly prevalent and most widely studied, were associated with estimated 2-fold increased odds of depression, but only HSV1 seropositivity was significantly associated with depression after adjusting for confounders. Notably, adjusted for confounders, RSV, H. pylori and Plasmodium seropositivity were significantly associated with increased odds, and Dengue seropositivity was associated with unexpectedly deceased odds of depressive symptoms and impaired mental health. The association of pathogen exposure with depression and mental health were at least in parts explained by inflammatory markers. Adding certain inflammatory markers to the models attenuated or weakened the association. Bootstrap method showed that MIP-1α significantly mediated the association between pathogen burden and mental health. In conclusion, lifelong pathogen burden and specific infections are associated with depression and impaired mental health in older adults.
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Affiliation(s)
- Yanxia Lu
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, China.
| | - Bao-Peng Liu
- Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, China
| | - Crystal Ty Tan
- Biology of Aging Laboratory, Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Fang Pan
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, China
| | - Anis Larbi
- Geriatrics Division, Department of Medicine, Research Center on Aging, University of Sherbrooke, Sherbrooke, Quebec, Canaa
| | - Tze Pin Ng
- Gerontology Research Programme, Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Geriatric Education and Research Institute, Ministry of Health, Singapore.
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Li Y, Zhang M, Dong C, Xue M, Li J, Wu G. Elevated Red Blood Cell Distribution Width Levels at Admission Predicts Depression After Acute Ischemic Stroke: A 3-Month Follow-Up Study. Neuropsychiatr Dis Treat 2022; 18:695-704. [PMID: 35391945 PMCID: PMC8979940 DOI: 10.2147/ndt.s351136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 03/17/2022] [Indexed: 12/21/2022] Open
Abstract
PURPOSE Red blood cell distribution width (RDW) is closely related to inflammatory-related disease markers. The present study aimed to investigate the association between the red blood cell distribution width (RDW) and post-stroke depression (PSD). PATIENTS AND METHODS A total of 414 patients with acute ischemic stroke (AIS) admitted to our hospital from June 2018 to July 2021 were consecutively enrolled and received 3 months' follow-up. According to the 17-item Hamilton Depression Scale (HAMD) assessment, they were divided into PSD group and non-PSD group. Diagnosis of PSD was made in accordance with DSM-IV. RDW was recorded within 24 hours of admission. RESULTS Among the included 414 patients, 95 (22.95%) patients were diagnosed as having PSD at 3 months after stroke. The results showed significantly higher level of RDW in patients with depression (13.69 (IQR13.24-13.88) vs. 13.56 (IQR 12.67-13.77), P<0.001) at admission than patients without depression. After adjustment for potential confounding factors, the odds ratio of PSD was 5.707 (95% CI, 2.717-11.989) for the highest tertile of RDW compared with the lowest tertile. Moreover, based on the receiver operating characteristic (ROC) curve, the optimal cutoff of RDW levels as an indicator for the prediction of PSD was projected as 13.01, which yielded a sensitivity of 83% and a specificity of 41.0%, with an area under the curve (AUC) of 0.643 (95% CI, 0.585-0.701; P = 0.012). CONCLUSION Higher RDW levels at admission were found to be correlated with PSD 3 months after stroke.
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Affiliation(s)
- Yaqiang Li
- Department of Neurology, First Affiliated Hospital of Anhui University of Science and Technology, First People's Hospital of Huainan, Huainan, 232001, Anhui, People's Republic of China.,Department of Neurology, People's Hospital of Lixin County, Lixin, 236700, Anhui, People's Republic of China
| | - Mei Zhang
- Department of Neurology, First Affiliated Hospital of Anhui University of Science and Technology, First People's Hospital of Huainan, Huainan, 232001, Anhui, People's Republic of China
| | - Chunhui Dong
- School of Medicine, Anhui University of Science and Technology, Huainan, 232001, Anhui, People's Republic of China
| | - Min Xue
- Department of Neurology, First Affiliated Hospital of Anhui University of Science and Technology, First People's Hospital of Huainan, Huainan, 232001, Anhui, People's Republic of China
| | - Jing Li
- Department of Neurology, First Affiliated Hospital of Anhui University of Science and Technology, First People's Hospital of Huainan, Huainan, 232001, Anhui, People's Republic of China
| | - Guixiang Wu
- Department of Neurology, People's Hospital of Lixin County, Lixin, 236700, Anhui, People's Republic of China
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Li Y, Zhang M, Xue M, Liu D, Sun J. Elevated monocyte-to-HDL cholesterol ratio predicts post-stroke depression. Front Psychiatry 2022; 13:902022. [PMID: 35935403 PMCID: PMC9354071 DOI: 10.3389/fpsyt.2022.902022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/28/2022] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVES Inflammation plays an important role in the development of depression after stroke. Monocyte-to-HDL Cholesterol Ratio (MHR) recently emerged as a novel comprehensive inflammatory indicator in recent years. This study aimed to investigate whether there is a relationship between MHR levels and post-stroke depression (PSD). METHODS From February 2019 to September 2021, patients with acute ischemic stroke (AIS) were recruited within 7 days post-stroke from the two centers and blood samples were collected after admission. The 17-item Hamilton Depression Scale (HAMD-17) was used to measure depressive symptoms at 3 months after stroke. Patients were given the DSM-V criteria for diagnosis of PSD. RESULTS Of the 411 enrolled patients, 92 (22.38%) patients were diagnosed with PSD at 3-months follow-up. The results also showed significantly higher level of MHR in patients with depression [0.81 (IQR 0.67-0.87) vs. 0.61 (IQR 0.44-0.82), P < 0.001] at admission than patients without depression. Multivariate logistic regression revealed that MHR (OR 6.568, 95% CI: 2.123-14.565, P = 0.015) was an independent risk factor for the depression at 3 months after stroke. After adjustment for potential confounding factors, the odds ratio of PSD was 5.018 (95% CI: 1.694-14.867, P = 0.004) for the highest tertile of MHR compared with the lowest tertile. Based on the ROC curve, the optimal cut-off value of MHR as an indicator for prediction of PSD was projected to be 0.55, which yielded a sensitivity of 87% and a specificity of 68.3%, with the area under the curve at 0.660 (95% CI: 0.683-0.781; P = 0.003). CONCLUSION Elevated level of MHR was associated with PSD at 3 months, suggesting that MHR might be a useful Inflammatory markers to predict depression after stroke.
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Affiliation(s)
- Yaqiang Li
- Department of Neurology, First Affiliated Hospital of Anhui University of Science and Technology, First People's Hospital of Huainan, Huainan, China.,Department of Neurology, People's Hospital of Lixin County, Bozhou, China
| | - Mei Zhang
- Department of Neurology, First Affiliated Hospital of Anhui University of Science and Technology, First People's Hospital of Huainan, Huainan, China
| | - Min Xue
- Department of Neurology, First Affiliated Hospital of Anhui University of Science and Technology, First People's Hospital of Huainan, Huainan, China
| | - Dalei Liu
- Department of Neurology, People's Hospital of Lixin County, Bozhou, China
| | - Jinglong Sun
- Department of Neurology, People's Hospital of Lixin County, Bozhou, China
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