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Li G, Hu L, Gu X, Zhu W, Zhen X, Sun X. Targeting Large-Conductance Calcium-Activated Potassium Channels to Ameliorate Lipopolysaccharide-Induced Depressive-Like Behavior in Mice. Neurochem Res 2024; 49:1239-1253. [PMID: 38383879 DOI: 10.1007/s11064-024-04111-1] [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: 11/19/2023] [Revised: 01/19/2024] [Accepted: 01/20/2024] [Indexed: 02/23/2024]
Abstract
Neuroinflammation plays crucial role in the development and progression of depression. Large conductance calcium- and voltage-dependent potassium (BK) channels mediate the activation of microglia. Herein, we investigated whether BK channels could serve as a target for the treatment of inflammation-associated depression. Lipopolysaccharide (LPS, 0.83 mg/kg) was injected intraperitoneally (i.p.) to induce neuroinflammation and depressive-like behavior in 6-8 week ICR mice. Adeno-associated virus (AAV) constructs (AAV9-Iba1p-BK shRNA-EGFP (BK shRNA-AAV) or AAV9-Iba1p-NC shRNA-EGFP (NC shRNA-AAV)) were unilaterally injected intracerebroventricularly to selectively knock down BK channels in microglia. The tail suspension test (TST) and forced-swim test (FST) were used to evaluate depressive-like behavior in mice 24 h after LPS challenge. The morphology of microglia, expression of BK channels, levels of cytokines, and expression and activity of indoleamine 2,3-dioxygenase (IDO) were measured by immunohistochemistry, western blot, quantitative real time PCR, and enzyme-linked immunosorbent assay (ELISA), respectively. Either paxilline (i.p.), a specific BK channel blocker, or BK shRNA-AAV effectively inhibited the activation of microglia, reduced the production of IL-1β in the hippocampus and suppressed the expression and activity of IDO in the hippocampus and prefrontal cortex, resulting in the amelioration of depressive-like behavior in mice. These data suggest for the first time that BK channels are involved in LPS-induced depressive-like behaviors. Thus, microglia BK channels may be a potential drug target for the depression treatment.
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Affiliation(s)
- Gangjing Li
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China
| | - Li Hu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China
| | - Xiangcheng Gu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China
| | - Weijun Zhu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China
| | - Xuechu Zhen
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China
| | - Xiaohui Sun
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China.
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Wang M, Peng C, Jiang T, Wu Q, Li D, Lu M. Association between systemic immune-inflammation index and post-stroke depression: a cross-sectional study of the national health and nutrition examination survey 2005-2020. Front Neurol 2024; 15:1330338. [PMID: 38562426 PMCID: PMC10984268 DOI: 10.3389/fneur.2024.1330338] [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: 10/30/2023] [Accepted: 02/15/2024] [Indexed: 04/04/2024] Open
Abstract
Background Less research has linked the Systemic Immune Inflammatory Index (SII) with post-stroke depression (PSD). This study aims to look at any potential connections between SII and PSD. Methods The National Health and Nutrition Examination Survey (NHANES), conducted in a population that embodied complete SII and stroke data from 2005 to 2020, was used to perform the current cross-sectional survey. A fitted smoothed curve was used to depict the nonlinear link between SII and PSD, and multiple linear regression analysis demonstrated a positive correlation between SII and PSD. Results Multiple linear regression analysis showed that SII and PSD were markedly related [1.11(1.05, 1.17)]. Interaction tests showed that the association between SII and PSD was not statistically different between strata, and age, sex, BMI, income poverty ratio, education level, smoking status, diabetes mellitus, coronary heart disease, and heart failure did not have a significant effect on this positive association (p > 0.05 for interaction). In addition, a nonlinear association between SII and PSD was found using a two-stage linear regression model. Conclusion The results of our research support the existence of a significant positive correlation between SII levels and PSD. Further prospective trials are required to comprehend SII, which is for the PSD thoroughly.
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Affiliation(s)
- Mingzhu Wang
- Department of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chengchao Peng
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tingting Jiang
- Department of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qiongfang Wu
- Department of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Danping Li
- Department of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Min Lu
- Department of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Lu W, Wen J. Neuroinflammation and Post-Stroke Depression: Focus on the Microglia and Astrocytes. Aging Dis 2024:AD.2024.0214-1. [PMID: 38421829 DOI: 10.14336/ad.2024.0214-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Accepted: 02/14/2024] [Indexed: 03/02/2024] Open
Abstract
Post-stroke depression (PSD), a frequent and disabling complication of stroke, has a strong impact on almost thirty percent of stroke survivors. The pathogenesis of PSD is not completely clear so far. Neuroinflammation following stroke is one of underlying mechanisms that involves in the pathophysiology of PSD and plays an important function in the development of depression and is regarded as a sign of depression. During the neuroinflammation after ischemic stroke onset, both astrocytes and microglia undergo a series of morphological and functional changes and play pro-inflammatory or anti-inflammatory effect in the pathological process of stroke. Importantly, astrocytes and microglia exert dual roles in the pathological process of PSD due to the phenotypic transformation. We summarize the latest evidence of neuroinflammation involving in PSD in this review, focus on the phenotypic transformation of microglia and astrocytes following ischemic stroke and reveal the dual roles of both microglia and astrocytes in the PSD via modulating the neuroinflammation.
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Affiliation(s)
- Weizhuo Lu
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
- Medical Branch, Hefei Technology College, Hefei, China
| | - Jiyue Wen
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
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Zhang Y, Yang Y, Li H, Feng Q, Ge W, Xu X. Investigating the Potential Mechanisms and Therapeutic Targets of Inflammatory Cytokines in Post-stroke Depression. Mol Neurobiol 2024; 61:132-147. [PMID: 37592185 DOI: 10.1007/s12035-023-03563-w] [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: 05/05/2023] [Accepted: 08/07/2023] [Indexed: 08/19/2023]
Abstract
Post-stroke depression (PSD) affects approximately one-third of stroke survivors, severely impacting general recovery and quality of life. Despite extensive studies, the exact mechanisms underlying PSD remain elusive. However, emerging evidence implicates proinflammatory cytokines, including interleukin-1β, interleukin-6, tumor necrosis factor-alpha, and interleukin-18, play critical roles in PSD development. These cytokines contribute to PSD through various mechanisms, including hypothalamic-pituitary-adrenal (HPA) axis dysfunction, neurotransmitter alterations, neurotrophic factor changes, gut microbiota imbalances, and genetic predispositions. This review is aimed at exploring the role of cytokines in stroke and PSD while identifying their potential as specific therapeutic targets for managing PSD. A more profound understanding of the mechanisms regulating inflammatory cytokine expression and anti-inflammatory cytokines like interleukin-10 in PSD may facilitate the development of innovative interventions to improve outcomes for stroke survivors experiencing depression.
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Affiliation(s)
- Yutong Zhang
- Department of Neurology, the First Affiliated Hospital of Soochow University, Suzhou, 215000, China
| | - Yuehua Yang
- Department of Neurology, Suzhou Yongding Hospital, Suzhou, 215028, China
| | - Hao Li
- Department of Neurology, the First Affiliated Hospital of Soochow University, Suzhou, 215000, China
| | - Qian Feng
- Department of Neurology, the First Affiliated Hospital of Soochow University, Suzhou, 215000, China
| | - Wei Ge
- Department of Neurology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221600, China.
| | - Xingshun Xu
- Department of Neurology, the First Affiliated Hospital of Soochow University, Suzhou, 215000, China.
- Institute of Neuroscience, Soochow University, Suzhou, 215123, China.
- Jiangsu Key Laboratory of Neuropsychiatric Diseases, Soochow University, Suzhou, 215123, Jiangsu, China.
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Liu Y, Liu L, Zhi Z, Chen R, Wang Q, Wang M, Wang Y, Zhao L. Higher serum lipocalin 2 is associated with post-stroke depression at discharge. BMC Neurol 2023; 23:294. [PMID: 37543589 PMCID: PMC10403916 DOI: 10.1186/s12883-023-03319-y] [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: 04/22/2023] [Accepted: 07/05/2023] [Indexed: 08/07/2023] Open
Abstract
BACKGROUND AND AIMS Post-stroke depression (PSD), as one of the common complications after stroke, seriously affects the physical and mental health and functional prognosis of patients. Previous studies have shown that the increase of inflammatory mediators is associated with the occurrence of PSD. Lipocalin 2 (LCN2), as an acute phase protein, is involved in the development of acute ischemic stroke (AIS), and its expression is up-regulated in patients with depression, suggesting that there is a potential correlation between serum LCN2 and depression. The aim of this study was to explore the relationship between serum LCN2 at admission and PSD at discharge. METHODS A total of 358 AIS patients were retrospectively included. All patients had fasting venous blood taken within 24 h of admission to detect serum LCN2. The patients were evaluated by 17-item Hamilton Depression Scale (HAMD) before discharge. Patients with HAMD score > 7 were diagnosed with PSD. The correlation between serum LCN2 and PSD was tested using binary logistic regression analysis. RESULTS In our study, 92 (25.7%) patients were diagnosed with PSD at discharge. According to the serum LCN2 value, the patients were divided into three layers (Tertile1 ≤ 105.24ng/ml; Tertile2: 105.24-140.12ng/ml; Tertile3 ≥ 140.12ng/ml), with T1 layer (the lowest levels) as a reference, after adjusting for multiple potential confounding factors, T3 layer (the highest levels) was independently associated with the occurrence of PSD (odds ratio [OR] = 2.639, 95% confidence interval [CI]: 1.317-5.287, P = 0.006). Similar results were found when the serum LCN2 was analyzed as a continuous variable. The optimal cut-off value of serum LCN2 at admission to predict PSD at discharge was 117.60ng/ml, at this threshold, the sensitivity was 77.2%, and the specificity was 53.4%. CONCLUSIONS High serum LCN2 levels at admission are an independent risk factor for PSD in patients with AIS at discharge.
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Affiliation(s)
- Yufeng Liu
- Department of Neurology, Affiliated Huai'an Hospital of Xuzhou Medical University, No.62, South Huaihai Road, Huai'an 223002, Huai'an, 223002, Jiangsu, China
| | - Lu Liu
- Department of Neurology, Affiliated Huai'an Hospital of Xuzhou Medical University, No.62, South Huaihai Road, Huai'an 223002, Huai'an, 223002, Jiangsu, China
| | - Zhongwen Zhi
- Department of Neurology, Affiliated Huai'an Hospital of Xuzhou Medical University, No.62, South Huaihai Road, Huai'an 223002, Huai'an, 223002, Jiangsu, China
| | - Rui Chen
- Department of Neurology, Affiliated Huai'an Hospital of Xuzhou Medical University, No.62, South Huaihai Road, Huai'an 223002, Huai'an, 223002, Jiangsu, China
| | - Qing Wang
- Department of Neurology, Affiliated Huai'an Hospital of Xuzhou Medical University, No.62, South Huaihai Road, Huai'an 223002, Huai'an, 223002, Jiangsu, China
| | - Mengchao Wang
- Department of Neurology, Affiliated Huai'an Hospital of Xuzhou Medical University, No.62, South Huaihai Road, Huai'an 223002, Huai'an, 223002, Jiangsu, China
| | - Yuqian Wang
- Department of Neurology, Affiliated Huai'an Hospital of Xuzhou Medical University, No.62, South Huaihai Road, Huai'an 223002, Huai'an, 223002, Jiangsu, China.
| | - Liandong Zhao
- Department of Neurology, Affiliated Huai'an Hospital of Xuzhou Medical University, No.62, South Huaihai Road, Huai'an 223002, Huai'an, 223002, Jiangsu, China.
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De Giorgi R, Rizzo Pesci N, Rosso G, Maina G, Cowen PJ, Harmer CJ. The pharmacological bases for repurposing statins in depression: a review of mechanistic studies. Transl Psychiatry 2023; 13:253. [PMID: 37438361 PMCID: PMC10338465 DOI: 10.1038/s41398-023-02533-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 06/13/2023] [Accepted: 06/20/2023] [Indexed: 07/14/2023] Open
Abstract
Statins are commonly prescribed medications widely investigated for their potential actions on the brain and mental health. Pre-clinical and clinical evidence suggests that statins may play a role in the treatment of depressive disorders, but only the latter has been systematically assessed. Thus, the physiopathological mechanisms underlying statins' putative antidepressant or depressogenic effects have not been established. This review aims to gather available evidence from mechanistic studies to strengthen the pharmacological basis for repurposing statins in depression. We used a broad, well-validated search strategy over three major databases (Pubmed/MEDLINE, Embase, PsychINFO) to retrieve any mechanistic study investigating statins' effects on depression. The systematic search yielded 8068 records, which were narrowed down to 77 relevant papers. The selected studies (some dealing with more than one bodily system) described several neuropsychopharmacological (44 studies), endocrine-metabolic (17 studies), cardiovascular (6 studies) and immunological (15 studies) mechanisms potentially contributing to the effects of statins on mood. Numerous articles highlighted the beneficial effect of statins on depression, particularly through positive actions on serotonergic neurotransmission, neurogenesis and neuroplasticity, hypothalamic-pituitary axis regulation and modulation of inflammation. The role of other mechanisms, especially the association between statins, lipid metabolism and worsening of depressive symptoms, appears more controversial. Overall, most mechanistic evidence supports an antidepressant activity for statins, likely mediated by a variety of intertwined processes involving several bodily systems. Further research in this area can benefit from measuring relevant biomarkers to inform the selection of patients most likely to respond to statins' antidepressant effects while also improving our understanding of the physiopathological basis of depression.
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Affiliation(s)
- Riccardo De Giorgi
- University of Oxford, Department of Psychiatry, Warneford Hospital, Warneford Lane, Oxfordshire, Oxford, OX3 7JX, United Kingdom.
- Oxford Health NHS Foundation Trust, Warneford Hospital, Warneford Lane, Oxfordshire, Oxford, OX3 7JX, United Kingdom.
| | - Nicola Rizzo Pesci
- University of Turin, Department of Neurosciences "Rita Levi Montalcini", Via Cherasco 15, Turin, 10126, Italy
| | - Gianluca Rosso
- University of Turin, Department of Neurosciences "Rita Levi Montalcini", Via Cherasco 15, Turin, 10126, Italy
| | - Giuseppe Maina
- University of Turin, Department of Neurosciences "Rita Levi Montalcini", Via Cherasco 15, Turin, 10126, Italy
| | - Philip J Cowen
- University of Oxford, Department of Psychiatry, Warneford Hospital, Warneford Lane, Oxfordshire, Oxford, OX3 7JX, United Kingdom
- Oxford Health NHS Foundation Trust, Warneford Hospital, Warneford Lane, Oxfordshire, Oxford, OX3 7JX, United Kingdom
| | - Catherine J Harmer
- University of Oxford, Department of Psychiatry, Warneford Hospital, Warneford Lane, Oxfordshire, Oxford, OX3 7JX, United Kingdom
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Sun S, Li Z, Xiao Q, Tan S, Hu B, Jin H. An updated review on prediction and preventive treatment of post-stroke depression. Expert Rev Neurother 2023; 23:721-739. [PMID: 37427452 DOI: 10.1080/14737175.2023.2234081] [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: 04/17/2023] [Accepted: 07/04/2023] [Indexed: 07/11/2023]
Abstract
INTRODUCTION Post-stroke depression (PSD), one of the most common complications following stroke, affects approximately one-third of stroke patients and is significantly associated with increased disability and mortality as well as decreased quality of life, which makes it an important public health concern. Treatment of PSD significantly ameliorates depressive symptoms and improves the prognosis of stroke. AREAS COVERED The authors discuss the critical aspects of the clinical application of prediction and preventive treatment of PSD. Then, the authors update the biological factors associated with the onset of PSD. Furthermore, they summarize the recent progress in pharmacological preventive treatment in clinical trials and propose potential treatment targets. The authors also discuss the current roadblocks in the preventive treatment of PSD. Finally, the authors put postulate potential directions for future studies so as to discover accurate predictors and provide individualized preventive treatment. EXPERT OPINION Sorting out high-risk PSD patients using reliable predictors will greatly assist PSD management. Indeed, some predictors not only predict the incidence of PSD but also predict prognosis, which indicates that they might also aid the development of an individualized treatment scheme. Preventive application of antidepressants may also be considered.
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Affiliation(s)
- Shuai Sun
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Zhifang Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Qinghui Xiao
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Senwei Tan
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Bo Hu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Huijuan Jin
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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Qiu X, Lan Y, Miao J, Pan C, Sun W, Li G, Wang Y, Zhao X, Zhu Z, Zhu S. Depressive symptom dimensions predict the treatment effect of repetitive transcranial magnetic stimulation for post-stroke depression. J Psychosom Res 2023; 171:111382. [PMID: 37285667 DOI: 10.1016/j.jpsychores.2023.111382] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 04/28/2023] [Accepted: 05/17/2023] [Indexed: 06/09/2023]
Abstract
OBJECTIVE Repetitive transcranial magnetic stimulation (rTMS) has attracted considerable attention because of its non-invasiveness, minimal side effects, and treatment efficacy. Despite an adequate duration of rTMS treatment, some patients with post-stroke depression (PSD) do not achieve full symptom response or remission. METHODS This was a prospective randomized controlled trial. Participants receiving rTMS were randomly assigned to the ventromedial prefrontal cortex (VMPFC), left dorsolateral prefrontal cortex (DLPFC), or contralateral motor area (M1) groups in a ratio of 1:1:1. Enrollment assessments and data collection were performed in weeks 0, 2, 4, and 8. The impact of depressive symptom dimensions on treatment outcomes were tested using a linear mixed-effects model fitted with maximum likelihood. Univariate analysis of variance (ANOVA) and back-testing were used to analyze the differences between the groups. RESULTS In total, 276 patients were included in the analysis. Comparisons across groups showed that 17-item Hamilton Rating Scale for Depression (HAMD-17) scores of the DLPFC group significantly differed from those of the VMPFC and M1 groups at 2, 4, and 8 weeks after treatment (p < 0.05). A higher observed mood score (β = -0.44, 95% confidence interval [CI]: -0.85-0.04, p = 0.030) could predict a greater improvement in depressive symptoms in the DLPFC group. Higher neurovegetative scores (β = 0.60, 95% CI: 0.25-0.96, p = 0.001) could predict less improvement of depressive symptoms in the DLPFC group. CONCLUSION Stimulation of the left DLPFC by high-frequency rTMS (HF-rTMS) could significantly improve depressive symptoms in the subacute period of subcortical ischemic stroke, and the dimension of depressive symptoms at admission might predict the treatment effect.
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Affiliation(s)
- Xiuli Qiu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei, China. 430030
| | - Yan Lan
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei, China. 430030
| | - Jinfeng Miao
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei, China. 430030
| | - Chensheng Pan
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei, China. 430030
| | - Wenzhe Sun
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei, China. 430030
| | - Guo Li
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei, China. 430030
| | - Yanyan Wang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei, China. 430030
| | - Xin Zhao
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei, China. 430030
| | - Zhou Zhu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei, China. 430030.
| | - Suiqiang Zhu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei, China. 430030.
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Hassamal S. Chronic stress, neuroinflammation, and depression: an overview of pathophysiological mechanisms and emerging anti-inflammatories. Front Psychiatry 2023; 14:1130989. [PMID: 37252156 PMCID: PMC10213648 DOI: 10.3389/fpsyt.2023.1130989] [Citation(s) in RCA: 33] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 04/21/2023] [Indexed: 05/31/2023] Open
Abstract
In a subset of patients, chronic exposure to stress is an etiological risk factor for neuroinflammation and depression. Neuroinflammation affects up to 27% of patients with MDD and is associated with a more severe, chronic, and treatment-resistant trajectory. Inflammation is not unique to depression and has transdiagnostic effects suggesting a shared etiological risk factor underlying psychopathologies and metabolic disorders. Research supports an association but not necessarily a causation with depression. Putative mechanisms link chronic stress to dysregulation of the HPA axis and immune cell glucocorticoid resistance resulting in hyperactivation of the peripheral immune system. The chronic extracellular release of DAMPs and immune cell DAMP-PRR signaling creates a feed forward loop that accelerates peripheral and central inflammation. Higher plasma levels of inflammatory cytokines, most consistently interleukin IL-1β, IL-6, and TNF-α, are correlated with greater depressive symptomatology. Cytokines sensitize the HPA axis, disrupt the negative feedback loop, and further propagate inflammatory reactions. Peripheral inflammation exacerbates central inflammation (neuroinflammation) through several mechanisms including disruption of the blood-brain barrier, immune cellular trafficking, and activation of glial cells. Activated glial cells release cytokines, chemokines, and reactive oxygen and nitrogen species into the extra-synaptic space dysregulating neurotransmitter systems, imbalancing the excitatory to inhibitory ratio, and disrupting neural circuitry plasticity and adaptation. In particular, microglial activation and toxicity plays a central role in the pathophysiology of neuroinflammation. Magnetic resonance imaging (MRI) studies most consistently show reduced hippocampal volumes. Neural circuitry dysfunction such as hypoactivation between the ventral striatum and the ventromedial prefrontal cortex underlies the melancholic phenotype of depression. Chronic administration of monoamine-based antidepressants counters the inflammatory response, but with a delayed therapeutic onset. Therapeutics targeting cell mediated immunity, generalized and specific inflammatory signaling pathways, and nitro-oxidative stress have enormous potential to advance the treatment landscape. Future clinical trials will need to include immune system perturbations as biomarker outcome measures to facilitate novel antidepressant development. In this overview, we explore the inflammatory correlates of depression and elucidate pathomechanisms to facilitate the development of novel biomarkers and therapeutics.
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Affiliation(s)
- Sameer Hassamal
- California University of Sciences and Medicine, Colton, CA, United States
- Clinicaltriallink, Los Angeles, CA, United States
- California Neuropsychiatric Institute, Ontario, CA, United States
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Zhou X, Li Y, Sun Z, Mu L, Ma Y. Elevated red blood cell distribution width levels predict depression after intracerebral hemorrhage: A 3-month follow-up study. Front Neurol 2023; 14:1077518. [PMID: 37090985 PMCID: PMC10113641 DOI: 10.3389/fneur.2023.1077518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 03/08/2023] [Indexed: 04/08/2023] Open
Abstract
ObjectivesInflammation vitally impacts the progression of depression resulting from intracerebral hemorrhage (ICH), while red blood cell distribution width (RDW) marks inflammatory-related diseases. The present study aimed at evaluating how RDW affects depression after ICH.MethodsFrom prospective analyses of patients admitted to our department between January 2017 and September 2022, ICH patients with complete medical records were evaluated. The 17-item Hamilton Depression (HAMD-17) scale was used for measuring the depressive symptoms at 3 months after ICH. Diagnosis of post-ICH depression was conducted for patients based on the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-V) criteria.ResultsA total of 438 patients were enrolled in the study, out of which 93 (21.23%) patients had PSD at the 3-month follow-up. Accordingly, patients with depression had higher RDW levels (13.70 [IQR: 13.56–13.89] vs.13.45 [IQR: 12.64–13.75], p < 0.001) at admission compared with those without depression. In multivariate analyses, RDW was used for independently predicting the depression after ICH at 3 months (OR: 2.832 [95% CI: 1.748–4.587], p < 0.001). After adjusting the underlying confounding factors, the odds ratio (OR) of depression after ICH was 4.225 (95% CI: 1.686–10.586, p = 0.002) for the highest tertile of RDW relative to the lowest tertile. With an AUC of 0.703 (95% CI: 0.649–0.757), RDW demonstrated a significantly better discriminatory ability relative to CRP and WBC. RDW as an indicator for predicting depression after ICH had an optimal cutoff value of 13.68, and the sensitivity and specificity were 63.4% and 64.6%, respectively.ConclusionsElevated RDW level predicted post-ICH depression at 3 months, confirming RDW as an effective inflammatory marker for predicting depression after ICH.
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Affiliation(s)
- Xianping Zhou
- Department of Laboratory, Bozhou Hospital Affiliated to Anhui Medical University, Bozhou, China
| | - Yaqiang Li
- Department of Neurology, People's Hospital of Lixin County, Bozhou, China
| | - Zhongbo Sun
- Department of Neurosurgery, First Affiliated Hospital of Anhui University of Science and Technology (First People's Hospital of Huainan), Huainan, China
- *Correspondence: Zhongbo Sun
| | - Li Mu
- Department of Laboratory, Bozhou Hospital Affiliated to Anhui Medical University, Bozhou, China
| | - Yaoyao Ma
- Department of Laboratory, Bozhou Hospital Affiliated to Anhui Medical University, Bozhou, China
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Chen H, Huang X, Zeng C, Sun D, Liu F, Zhang J, Liao Q, Luo S, Xu W, Xiao Y, Zeng D, Song M, Tian F. The role of indoleamine 2,3-dioxygenase 1 in early-onset post-stroke depression. Front Immunol 2023; 14:1125634. [PMID: 36911716 PMCID: PMC9998486 DOI: 10.3389/fimmu.2023.1125634] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 02/13/2023] [Indexed: 03/14/2023] Open
Abstract
Background The immune-inflammatory response has been widely considered to be involved in the pathogenesis of post-stroke depression (PSD), but there is ambiguity about the mechanism underlying such association. Methods According to Diagnostic and Statistical Manual of Mental Disorders (5th edition), depressive symptoms were assessed at 2 weeks after stroke onset. 15 single nucleotide polymorphisms (SNPs) in genes of indoleamine 2,3-dioxygenase (IDO, including IDO1 and IDO2) and its inducers (including pro-inflammatory cytokines interferon [IFN]-γ, tumor necrosis factor [TNF]-α, interleukin [IL]-1β, IL-2 and IL-6) were genotyped using SNPscan™ technology, and serum IDO1 levels were detected by double-antibody sandwich enzyme-linked immune-sorbent assay. Results Fifty-nine patients (31.72%) were diagnosed with depression at 2 weeks after stroke onset (early-onset PSD). The IDO1 rs9657182 T/T genotype was independently associated with early-onset PSD (adjusted odds ratio [OR] = 3.008, 95% confidence interval [CI] 1.157-7.822, p = 0.024) and the frequency of rs9657182 T allele was significantly higher in patients with PSD than that in patients with non-PSD (χ2 = 4.355, p = 0.037), but these results did not reach the Bonferroni significance threshold (p > 0.003). Serum IDO1 levels were also independently linked to early-onset PSD (adjusted OR = 1.071, 95% CI 1.002-1.145, p = 0.044) and patients with PSD had higher serum IDO1 levels than patients with non-PSD in the presence of the rs9657182 T allele but not homozygous C allele (t = -2.046, p = 0.043). Stroke patients with the TNF-α rs361525 G/G genotype had higher serum IDO1 levels compared to those with the G/A genotype (Z = -2.451, p = 0.014). Conclusions Our findings provided evidence that IDO1 gene polymorphisms and protein levels were involved in the development of early-onset PSD and TNF-α polymorphism was associated with IDO1 levels, supporting that IDO1 which underlie strongly regulation by cytokines may be a specific pathway for the involvement of immune-inflammatory mechanism in the pathophysiology of PSD.
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Affiliation(s)
- Hengshu Chen
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Xia Huang
- Department of Critical Care Medicine, The First People's Hospital of Huaihua, Huaihua, China
| | - Chang Zeng
- Health Management Center, Xiangya Hospital, Central South University, Changsha, China
| | - Dongren Sun
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Fan Liu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Jingyuan Zhang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Qiao Liao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Shihang Luo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Weiye Xu
- Department of Human Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Yeqing Xiao
- Department of Neurology, Hengyang Central Hospital, Hengyang, China
| | - Danfeng Zeng
- Department of Neurology, Xiangtan Central Hospital, Xiangtan, China
| | - Mingyu Song
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China.,Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
| | - Fafa Tian
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
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12
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De Giorgi R, Cowen PJ, Harmer CJ. Statins in depression: a repurposed medical treatment can provide novel insights in mental health. Int Rev Psychiatry 2022; 34:699-714. [PMID: 36786109 DOI: 10.1080/09540261.2022.2113369] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
Depression has a large burden, but the development of new drugs for its treatment has proved difficult. Progresses in neuroscience have highlighted several physiopathological pathways, notably inflammatory and metabolic ones, likely involved in the genesis of depressive symptoms. A novel strategy proposes to repurpose established medical treatments of known safety and to investigate their potential antidepressant activity. Among numerous candidates, growing evidence suggests that statins may have a positive role in the treatment of depressive disorders, although some have raised concerns about possible depressogenic effects of these widely prescribed medications. This narrative review summarises relevant findings from translational studies implicating many interconnected neurobiological and neuropsychological, cardiovascular, endocrine-metabolic, and immunological mechanisms by which statins could influence mood. Also, the most recent clinical investigations on the effects of statins in depression are presented. Overall, the use of statins for the treatment of depressive symptoms cannot be recommended based on the available literature, though this might change as several larger, methodologically robust studies are being conducted. Nevertheless, statins can already be acknowledged as a driver of innovation in mental health, as they provide a novel perspective to the physical health of people with depression and for the development of more precise antidepressant treatments.
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Affiliation(s)
- Riccardo De Giorgi
- Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, United Kingdom.,Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, United Kingdom
| | - Philip J Cowen
- Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, United Kingdom.,Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, United Kingdom
| | - Catherine J Harmer
- Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, United Kingdom.,Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, United Kingdom
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13
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Chen H, Liu F, Sun D, Zhang J, Luo S, Liao Q, Tian F. The potential risk factors of early-onset post-stroke depression from immuno-inflammatory perspective. Front Immunol 2022; 13:1000631. [PMID: 36225923 PMCID: PMC9549963 DOI: 10.3389/fimmu.2022.1000631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 08/23/2022] [Indexed: 01/08/2023] Open
Abstract
Background Mounting evidence strongly uncovered that peripheral immuno-inflammatory response induced by acute stroke is associated with the appearance of post-stroke depression (PSD), but the mechanism remains unclear. Methods 103 stroke patients were assessed at 2 weeks after onset using Diagnostic and Statistical Manual of Mental Disorders, 5th edition and then divided into PSD and non-PSD groups. Polymorphisms of inflammatory molecules (interleukin [IL]-1β, IL-6, IL-10, IL-18, tumor necrosis factor-α [TNF-α], interferon-γ [IFN-γ] and C-reactive protein [CRP]), complete blood count parameters, splenic attenuation (SA) and splenic volume (SV) on unenhanced chest computed tomography, demographic and other clinical characteristics were obtained. Binary logistic regression model was used to analyze the associations between inflammation-related factors and the occurrence of PSD at 2 weeks after stroke. Results 49 patients were diagnosed with PSD at 2 weeks after onset (early-onset PSD). The C/T genotypes of CRP rs2794520 and rs1205 were less in PSD group than non-PSD group (both adjusted odds ratio = 3.364; 95%CI: 1.039-10.898; p = 0.043). For CRP rs3091244, the frequency of G allele was higher (80.61% vs. 13.89%) while the frequency of A allele was lower (6.12% vs. 71.30%) in PSD patients than non-PSD patients (χ2 = 104.380; p<0.001). SA of PSD patients was lower than that of non-PSD patients in the presence of CRP rs2794520 C/T genotype and rs1205 C/T genotype (both t = 2.122; p = 0.039). Peripheral monocyte count was less in PSD group than non-PSD group (adjusted odds ratio = 0.057; 95%CI: 0.005-0.686; p = 0.024). Conclusions CRP polymorphisms, SA based on CRP genotype, and peripheral monocytes are associated with the risk of early-onset PSD, suggesting peripheral immuno-inflammatory activities elicited by stroke in its aetiology.
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14
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Higher Plasma Fibrinogen Level at Admission Is Associated with Post-Stroke Depression at Discharge. Brain Sci 2022; 12:brainsci12081032. [PMID: 36009095 PMCID: PMC9405685 DOI: 10.3390/brainsci12081032] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/22/2022] [Accepted: 07/30/2022] [Indexed: 02/04/2023] Open
Abstract
Background: Post-stroke depression (PSD) is a common complication of stroke, which seriously affects the functional outcome of patients. Systemic low-grade inflammation associated with PSD has been shown to occur at several months to years, however, whether these inflammatory markers predicted PSD at an acute stage of stroke is controversial. Method: A total of 625 patients with acute ischemic stroke (219 female, 35.40%) were included in this study. PSD was diagnosed using the 17-item Hamilton depression scale (HAMD) at 7 days following discharge (7−14 days after stroke onset). Multivariable logistic regression analysis was applied to build a prediction model for PSD at discharge. Discrimination and calibration of the model were assessed by C-index, calibration plot. Internal validation was conducted using bootstrapping validation. Results: At discharge of hospitalization, 95 patients (15.20%) were diagnosed with PSD. Multivariable logistic regression suggested that female gender (OR = 2.043, 95% CI = 1.287−3.245, p = 0.002), baseline NIHSS (OR = 1.108, 95% CI = 1.055−1.165, p < 0.001) and fibrinogen (OR = 1.388, 95% CI = 1.129−1.706, p = 0.002) were independent predictors for PSD at discharge. The cut-off of the fibrinogen plasma level was 3.08 g/L. These predictors were included in the nomogram. The model displayed good discrimination, with a C-index of 0.730 (95% CI = 0.683−0.777) and good calibration. Conclusion: Female gender, baseline stroke severity and a higher level of fibrinogen were independently associated with PSD at discharge. A nomogram based on these three predictors can be used to provide an individual, visual prediction of the risk probability of PSD.
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15
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Symptomatic plaque enhancement is associated with early-onset post-stroke depression. J Affect Disord 2022; 306:281-287. [PMID: 35337924 DOI: 10.1016/j.jad.2022.03.026] [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: 10/04/2021] [Revised: 01/07/2022] [Accepted: 03/10/2022] [Indexed: 11/20/2022]
Abstract
BACKGROUND The association between imaging features closely associated with symptomatic intracranial atherosclerotic plaques and early-onset post-stroke depression (PSD) is currently unclear. MATERIALS AND METHODS 76 ischemic stroke patients who underwent high-resolution vessel wall magnetic resonance imaging (HR-VWI) were divided into PSD and non-PSD groups according to their DSM-V diagnoses and HAMD-17 scores at 14 days after onset. Clinical data and the imaging features associated with symptomatic plaques (including the enhancement index (EI), remodeling index, and plaque surface irregularity) were compared between groups. Multifactorial logistic regression analysis was used to find independent predictors of early-onset PSD. Spearman rank correlation analysis explores the association between clinical data, symptomatic plaque imaging features, and HAMD-17 in patients. RESULTS The sample comprised 36 patients with early-onset PSD. The symptomatic plaque EI and infarct volume were significantly higher in depressed patients than in patients without depression (P < 0.05). Multivariate logistic regression showed that symptomatic plaque EI could be used as an independent predictor of early-onset PSD after correcting for the confounding factor of infarct volume (OR = 1.034, 95% CI:1.014-1.055, P = 0.001). In the total sample, symptomatic plaque EI, infarct volume, and HAMD-17 had a significant positive correlation with each other (P < 0.05). LIMITATIONS This study focused only on the patients' symptomatic plaques and did not monitor patients' systemic inflammation levels at the time of HR-VWI. CONCLUSIONS The degree of symptomatic plaque enhancement is an independent predictive imaging marker of early-onset PSD and can be used the early diagnosis of early-onset PSD.
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16
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Fang C, Zhang Z, Xu H, Liu Y, Wang X, Yuan L, Xu Y, Zhu Z, Zhang A, Shao A, Lou M. Natural Products for the Treatment of Post-stroke Depression. Front Pharmacol 2022; 13:918531. [PMID: 35712727 PMCID: PMC9196125 DOI: 10.3389/fphar.2022.918531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 05/10/2022] [Indexed: 11/21/2022] Open
Abstract
Post-stroke depression (PSD) is the most frequent and important neuropsychiatric consequence of stroke. It is strongly associated with exacerbated deterioration of functional recovery, physical and cognitive recoveries, and quality of life. However, its mechanism is remarkably complicated, including the neurotransmitters hypothesis (which consists of a monoaminergic hypothesis and glutamate-mediated excitotoxicity hypothesis), inflammation hypothesis, dysfunction of the hypothalamic-pituitary-adrenal (HPA) axis, and neurotrophic hypothesis and neuroplasticity. So far, the underlying pathogenesis of PSD has not been clearly defined yet. At present, selective serotonin reuptake inhibitors (SSRIs) have been used as the first-line drugs to treat patients with PSD. Additionally, more than SSRIs, a majority of the current antidepressants complied with multiple side effects, which limits their clinical application. Currently, a wide variety of studies revealed the therapeutic potential of natural products in the management of several diseases, especially PSD, with minor side effects. Accordingly, in our present review, we aim to summarize the therapeutic targets of these compounds and their potential role in-clinic therapy for patients with PSD.
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Affiliation(s)
- Chaoyou Fang
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zeyu Zhang
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, China
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Houshi Xu
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yibo Liu
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, China
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Xiaoyu Wang
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, China
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Ling Yuan
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuanzhi Xu
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Zhengyang Zhu
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Anke Zhang
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, China
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
- *Correspondence: Anke Zhang, ; Anwen Shao, ; Meiqing Lou,
| | - Anwen Shao
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, China
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
- *Correspondence: Anke Zhang, ; Anwen Shao, ; Meiqing Lou,
| | - Meiqing Lou
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Anke Zhang, ; Anwen Shao, ; Meiqing Lou,
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17
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Dandekar MP, Yin X, Peng T, Devaraj S, Morales R, McPherson DD, Huang SL. Repetitive xenon treatment improves post-stroke sensorimotor and neuropsychiatric dysfunction. J Affect Disord 2022; 301:315-330. [PMID: 34990636 DOI: 10.1016/j.jad.2022.01.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 07/21/2021] [Accepted: 01/02/2022] [Indexed: 12/20/2022]
Abstract
Stroke is a life-changing event as stroke survivors experience changes in personality, emotions and mood. We investigated the effect of xenon gas encapsulated in liposomes on stroke-generated sensorimotor impairments, and anxiety- and depression-like phenotypes. Ischemic stroke was created by the intraluminal middle cerebral artery occlusion (MCAO) for 6 h followed by reperfusion in rats. Xenon-liposome (6 mg/kg, intravenous) treatment was given multiple times starting at 2 h post-ischemia through 6 h (5X), and once-daily for next 3 days. Rats underwent ischemic injury displayed sensorimotor deficits in the adhesive removal, vibrissae-evoked forelimb placement and rotarod tests. These animals also made lesser entries and spent less time on open arms of the elevated-plus maze and swam more in passive mode in the forced swimming test, indicating anxiety- and depression-like behaviors at 28- and 35-days post-injury, respectively. Repeated intravenous treatment with xenon-liposomes ameliorated these behavioral aberrations (p < 0.05). Gut microbiome analysis (16S ribosomal-RNA gene sequencing) showed a decrease in the Clostridium clusters XI, XIVa, XVIII and Lactobacillus bacterium, and increase of the Prevotella in the xenon-liposome group. No microbiota communities were majorly affected across the treatments. Moreover, xenon treatment group showed augmented plasma levels of IL-6 cytokines (∼5 fold) on day-35 post-ischemia, while no change was noticed in the IL-1β, IL-4, IL-10, IL-13 and MCP-1 levels. Our data highlights the safety, behavioral recovery and reversal of post-stroke brain injury following xenon-liposome treatment in an extended ischemic model. These results show the potential for this treatment strategy to be translated to patients with stroke.
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Affiliation(s)
- Manoj P Dandekar
- Department of Internal Medicine, Division of Cardiology, The University of Texas Health Science Center at Houston (UTHealth) McGovern Medical School, Houston, TX, USA; presently Manoj P. Dandekar is affiliated with Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana, India
| | - Xing Yin
- Department of Internal Medicine, Division of Cardiology, The University of Texas Health Science Center at Houston (UTHealth) McGovern Medical School, Houston, TX, USA
| | - Tao Peng
- Department of Internal Medicine, Division of Cardiology, The University of Texas Health Science Center at Houston (UTHealth) McGovern Medical School, Houston, TX, USA
| | - Sridevi Devaraj
- Department of Pathology & Immunology, Baylor College of Medicine and Texas Children's Hospital, Houston, TX, USA
| | - Rodrigo Morales
- Department of Neurology, The University of Texas Health Science Center at Houston (UTHealth) McGovern Medical School, Houston, TX, USA; CIBQA, Universidad Bernardo O'Higgins. Santiago, Chile
| | - David D McPherson
- Department of Internal Medicine, Division of Cardiology, The University of Texas Health Science Center at Houston (UTHealth) McGovern Medical School, Houston, TX, USA; Center for Clinical and Translational Sciences at The University of Texas Health Science Center at Houston, TX, USA
| | - Shao-Ling Huang
- Department of Internal Medicine, Division of Cardiology, The University of Texas Health Science Center at Houston (UTHealth) McGovern Medical School, Houston, TX, USA.
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18
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Systemic low-grade inflammation and depressive symptomology at chronic phase of ischemic stroke: The chain mediating role of fibrinogen and neutrophil counts. Brain Behav Immun 2022; 100:332-341. [PMID: 34728390 DOI: 10.1016/j.bbi.2021.10.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 10/09/2021] [Accepted: 10/18/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Post-stroke depression (PSD) is the most common psychological consequence of stroke. Increased inflammatory markers resulting from ischemic stroke may played an important role in the pathogenesis of depressive symptomology. The present study was conducted to further elucidate the relationship between stroke severity, systemic low-grade inflammation and chronic phase post-stroke depressive symptomology (CP-PSDS). METHODS A total of 897 stroke patients were consecutively recruited in this multicenter prospective cohort study and followed up for 1 year. The analytical sample consisted of 436 patients with ischemic stroke (23.4% female, median age = 57 years) from this cohort. Serum concentrations of inflammatory markers were measured in all 436 patients with ischemic stroke, from fasting morning venous blood samples on admission. Stroke severity was evaluated using the National Institutes of Health Stroke Scale (NIHSS) on admission and post-stroke depressive symptomology (PSDS) was evaluated by 17-item Hamilton Rating Scale for Depression (HRSD). RESULTS In the fully adjusted models, we observed that 1) NIHSS (Model 2: β = 0.200, 95%CI, 0.057 ∼ 0.332), fibrinogen (Model 2: β = 0.828, 95%CI, 0.269 ∼ 1.435), white blood cell counts (WBC, model 2: β = 0.354, 95%CI, 0.122 ∼ 0.577) and neutrophil counts (Model 2: β = 0.401, 95%CI, 0.126 ∼ 0.655) can independently predict the CP-PSDS after ischemic stroke onset; 2) fibrinogen (Indirect effect = 0.027, 95%CI, 0.007 ∼ 0.063, 13.4% mediated), WBC (Indirect effect = 0.024, 95%CI, 0.005 ∼ 0.058, 11.8% mediated) and neutrophil counts (Indirect effect = 0.030, 95%CI, 0.006 ∼ 0.069, 14.8% mediated) could partially mediate the association between stroke severity and CP-PSDS, and 3) stroke severity might cause CP-PSDS partly through the chain-mediating role of both fibrinogen and neutrophil counts (chain mediated effect = 0.003, 95%CI, 0.000 ∼ 0.011, p = 0.025, 1.6% mediated). CONCLUSIONS Findings revealed that fibrinogen, WBC and neutrophil counts may be independent predictors of CP-PSDS and partial mediators of the relationship between stroke severity and CP-PSDS among patients with ischemic stroke. In addition, the chain mediating effect of fibrinogen and neutrophil counts might play an important role in the occurrence of CP-PSDS. However, no inflammatory markers were associated with CP-PSDS in females.
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19
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Lu S, Wu C, Jia L, Fang Z, Lu J, Mou T, Hu S, He H, Huang M, Xu Y. Increased plasma levels of IL-6 are associated with striatal structural atrophy in major depressive disorder patients with anhedonia. Front Psychiatry 2022; 13:1016735. [PMID: 36405925 PMCID: PMC9669641 DOI: 10.3389/fpsyt.2022.1016735] [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: 08/11/2022] [Accepted: 10/20/2022] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Anhedonia, as the core endophenotype of major depressive disorder (MDD), is closely related to poor prognosis, but the mechanism of this feature remains to be understood. The aim of this study was to investigate the inflammatory factors and brain structural alterations in MDD patients with anhedonia and evaluate the relationship between these factors. METHODS We assessed the plasma levels of interleukin-1 beta (IL-1β), interleukin-6 (IL-6) and tumor necrosis factor alpha (TNF-α) in MDD patients with anhedonia (n = 22), MDD patients without anhedonia (n = 20), and age- and sex-matched healthy controls (HCs, n = 20) by enzyme-linked immunosorbent assay kits. All participants underwent high-resolution brain magnetic resonance imaging (MRI) scans, and voxel-based morphometry (VBM) was used to evaluate their gray matter volume (GMV). We compared inflammatory factors and GMV among the three groups and explored their relationships in MDD patients with anhedonia. RESULTS Compared with those of HCs, plasma levels of IL-1β were increased in patients with MDD independent of anhedonia features, while plasma levels of IL-6 were elevated in MDD patients with anhedonia only. Meanwhile, MDD patients with anhedonia exhibited reduced GMV in the left striatal structures compared to MDD patients without anhedonia and HCs. Moreover, a significant association was observed between increased plasma levels of IL-6 and decreased GMV of the left putamen in MDD patients with anhedonia. CONCLUSIONS The present research outcomes suggest that anhedonia is associated with increased plasma levels of IL-6 and decreased GMV in the left striatal structures. In addition, this study demonstrates that GMV loss in the left putamen is related to increased plasma levels of IL-6 in MDD with anhedonia, which provides further insights into the possible mechanisms of anhedonia.
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Affiliation(s)
- Shaojia Lu
- Department of Psychiatry, The First Affiliated Hospital, Zhejiang University School of Medicine, Key Laboratory of Mental Disorder's Management of Zhejiang Province, Zhejiang Engineering Center for Mathematical Mental Health, Hangzhou, China
| | - Congchong Wu
- Department of Psychiatry, The First Affiliated Hospital, Zhejiang University School of Medicine, Key Laboratory of Mental Disorder's Management of Zhejiang Province, Zhejiang Engineering Center for Mathematical Mental Health, Hangzhou, China.,Faculty of Clinical Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Lili Jia
- Faculty of Clinical Medicine, Zhejiang University School of Medicine, Hangzhou, China.,Department of Clinical Psychology, The Fifth Peoples' Hospital of Lin'an District, Hangzhou, China
| | - Zhe Fang
- Department of Psychiatry, The First Affiliated Hospital, Zhejiang University School of Medicine, Key Laboratory of Mental Disorder's Management of Zhejiang Province, Zhejiang Engineering Center for Mathematical Mental Health, Hangzhou, China.,Faculty of Clinical Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Jing Lu
- Department of Psychiatry, The First Affiliated Hospital, Zhejiang University School of Medicine, Key Laboratory of Mental Disorder's Management of Zhejiang Province, Zhejiang Engineering Center for Mathematical Mental Health, Hangzhou, China
| | - Tingting Mou
- Department of Psychiatry, The First Affiliated Hospital, Zhejiang University School of Medicine, Key Laboratory of Mental Disorder's Management of Zhejiang Province, Zhejiang Engineering Center for Mathematical Mental Health, Hangzhou, China
| | - Shaohua Hu
- Department of Psychiatry, The First Affiliated Hospital, Zhejiang University School of Medicine, Key Laboratory of Mental Disorder's Management of Zhejiang Province, Zhejiang Engineering Center for Mathematical Mental Health, Hangzhou, China
| | - Hongjian He
- College of Biomedical Engineering and Instrument Science, Center for Brain Imaging Science and Technology, Zhejiang University, Hangzhou, China
| | - Manli Huang
- Department of Psychiatry, The First Affiliated Hospital, Zhejiang University School of Medicine, Key Laboratory of Mental Disorder's Management of Zhejiang Province, Zhejiang Engineering Center for Mathematical Mental Health, Hangzhou, China
| | - Yi Xu
- Department of Psychiatry, The First Affiliated Hospital, Zhejiang University School of Medicine, Key Laboratory of Mental Disorder's Management of Zhejiang Province, Zhejiang Engineering Center for Mathematical Mental Health, Hangzhou, China
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Cheng Y, Wang Y, Wang X, Jiang Z, Zhu L, Fang S. Neutrophil-to-Lymphocyte Ratio, Platelet-to-Lymphocyte Ratio, and Monocyte-to-Lymphocyte Ratio in Depression: An Updated Systematic Review and Meta-Analysis. Front Psychiatry 2022; 13:893097. [PMID: 35782448 PMCID: PMC9240476 DOI: 10.3389/fpsyt.2022.893097] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 05/10/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Research on neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and monocyte-to-lymphocyte ratio (MLR) in depression is still emerging and has increased 3-fold since the first meta-analysis. An updated meta-analysis with sufficient studies can provide more evidence for a potential relationship between NLR, PLR, MLR, and depression. METHODS We identified 18 studies from the PubMed, EMBASE, Cochrane library, and Web of Science databases. Meta-analyses were performed to generate pooled standardized mean differences (SMDs) and 95% confidence intervals (CIs) between patients with depression and controls. Sensitivity analysis, subgroup analysis, meta-regression, and publication bias were conducted. RESULTS A total of 18 studies including 2,264 depressed patients and 2,415 controls were included. Depressed patients had significantly higher NLR and PLR compared with controls (SMD = 0.33, 95% CI: 0.15-0.52, p < 0.001 and SMD = 0.24, 95% CI: 0.02-0.46, p < 0.05, respectively). MLR was slightly higher in depressed individuals compared to controls (SMD = 0.15, 95% CI: -0.26 to 0.55, p > 0.05), despite the absence of significance. Sensitivity analysis removing one study responsible for heterogeneity showed a higher and significant effect (SMD = 0.32, 95% CI: 0.20-0.44) of MLR. Three subgroup analyses of NLR, PLR, MLR, and depression revealed obvious differences in the inflammatory ratios between depressed patients and controls in China and the matched age and gender subgroup. Individuals with post-stroke depression (PSD) had higher NLR and MLR values as compared to non-PSD patients (SMD = 0.51, 95% CI: 0.36-0.67, p < 0.001 and SMD = 0.46, 95% CI: 0.12-0.79, p < 0.01, respectively). Meta-regression analyses showed that male proportion in the case group influenced the heterogeneity among studies that measured NLR values (p < 0.05). CONCLUSIONS Higher inflammatory ratios, especially NLR, were significantly associated with an increased risk of depression. In the subgroup of China and matched age and gender, NLR, PLR, and MLR were all elevated in depressed patients vs. controls. Individuals with PSD had higher NLR and MLR values as compared to non-PSD patients. Gender differences may have an effect on NLR values in patients with depression.
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Affiliation(s)
- Yanwei Cheng
- Department of Neurology, Neuroscience Centre, The First Hospital of Jilin University, Changchun, China
| | - Yiwen Wang
- Department of Neurology, Neuroscience Centre, The First Hospital of Jilin University, Changchun, China
| | - Xiangyi Wang
- Department of Neurology, Neuroscience Centre, The First Hospital of Jilin University, Changchun, China
| | - Zhuoya Jiang
- Department of Neurology, Neuroscience Centre, The First Hospital of Jilin University, Changchun, China
| | - Lijun Zhu
- China-Japan Union Hospital of Jilin University, Changchun, China
| | - Shaokuan Fang
- Department of Neurology, Neuroscience Centre, The First Hospital of Jilin University, Changchun, China
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The Feasibility of Tai Chi Exercise as a Beneficial Mind-Body Intervention in a Group of Community-Dwelling Stroke Survivors with Symptoms of Depression. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:8600443. [PMID: 34765010 PMCID: PMC8577891 DOI: 10.1155/2021/8600443] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 10/08/2021] [Accepted: 10/15/2021] [Indexed: 11/18/2022]
Abstract
Depression is prevalent among one-third to two-thirds of acute and chronic stroke survivors. Despite the availability of pharmacotherapies and/or psychotherapies, depression persists, even for 5–10 years after stroke, reflecting limited treatment responses and/or adherence to this conventional care. Mind-body interventions are commonly used among adults to ameliorate depressive symptoms. Thus, the feasibility of Tai Chi, alongside conventional care, to manage poststroke depression was investigated using a single-group pre-post intervention design. Recruitment and retention, intervention adherence, safety, acceptability, and fidelity were assessed. Symptoms of depression, anxiety, and stress were assessed using standardized questionnaires, objective sleep was assessed via a research-grade triaxial accelerometer, and blood samples were taken to measure oxidative stress, inflammatory markers, and a neurotrophic growth factor using commercially available kits per manufacturer's protocol. Pre-post intervention changes were assessed using paired t-tests. We enrolled stroke survivors (N = 11, mean age = 69.7 ± 9.3) reporting depression symptoms. After the intervention, we observed significant reductions in symptoms of depression (−5.3 ± 5.9, p=0.01), anxiety (−2.2 ± 2.4, p=0.01), and stress (−4.6 ± 4.8, p=0.01), along with better sleep efficiency (+1.8 ± 1.8, p=0.01), less wakefulness after sleep onset (−9.3 ± 11.6, p=0.04), and less time awake (−9.3 ± 11.6, p=0.04). There was a 36% decrease in oxidative stress (p=0.02), though no significant changes in the other biomarkers were found (all p values >0.05). Tai Chi exercise is a feasible intervention that can be used alongside conventional care to manage poststroke depression, aid in reducing symptoms of anxiety and stress, and improve sleep.
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22
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Li Z, Xu H, Xu Y, Lu G, Peng Q, Chen J, Bi R, Li J, Chen S, Li H, Jin H, Hu B. Morinda officinalis oligosaccharides alleviate depressive-like behaviors in post-stroke rats via suppressing NLRP3 inflammasome to inhibit hippocampal inflammation. CNS Neurosci Ther 2021; 27:1570-1586. [PMID: 34559953 PMCID: PMC8611777 DOI: 10.1111/cns.13732] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 09/11/2021] [Accepted: 09/11/2021] [Indexed: 01/14/2023] Open
Abstract
Aims Morinda officinalis oligosaccharides (MOOs), a traditional Chinese medicine, have been used to treat mild and moderate depressive episodes. In this study, we investigated whether MOOs can ameliorate depressive‐like behaviors in post‐stroke depression (PSD) rats and further explored its mechanism by suppressing microglial NLRP3 inflammasome activation to inhibit hippocampal inflammation. Methods Behavioral tests were performed to evaluate the effect of MOOs on depressive‐like behaviors in PSD rats. The effects of MOOs on the expression of IL‐18, IL‐1β, and nucleotide‐binding domain leucine‐rich repeat (NLR) family pyrin domain containing 3 (NLRP3) inflammasome were measured in both PSD rats and lipopolysaccharide (LPS) and adenosine triphosphate (ATP) stimulated primary rat microglia by reverse transcription polymerase chain reaction (RT‐PCR), immunofluorescence and Western blot analysis. Adeno‐associated virus (AAV) was injected into the hippocampus to regulate NLRP3 inflammasome expression. The detailed molecular mechanism underlying the effects of MOOs was analyzed by Western blot and immunofluorescence. Results MOOs can alleviate depressive‐like behaviors in PSD rats. PSD rats showed increased expression of IL‐18, IL‐1β, and NLRP3 inflammasome in the ischemic hippocampus, while MOOs reversed the elevation. NLRP3 downregulation ameliorated depressive‐like behaviors and hippocampal inflammation response in PSD rats, while NLRP3 upregulation inhibited the effect of MOOs on depressive‐like behaviors and hippocampal inflammation response in PSD rats. Moreover, we found that NLRP3 was mainly expressed on microglia. In vitro, MOOs effectively inhibited the expression of IL‐18, IL‐1β, and NLRP3 inflammasome in LPS + ATP treated primary rat microglia. We also showed that modulation of NLRP3 inflammasome by MOOs was associated with the IκB/NF‐κB p65 signaling pathway. Conclusion Overall, our study reveals the antidepressive effect of MOOs on PSD rats through modulation of microglial NLRP3 inflammasome. We also provide a novel insight into hippocampal inflammation response in PSD pathology and put forward NLRP3 inflammasome as a potential therapeutic target for PSD.
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Affiliation(s)
- Zhifang Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hexiang Xu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yi Xu
- Institute of Science, Beijing Tongrentang Co., Ltd., Beijing, China
| | - Guanfeng Lu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qiwei Peng
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiefang Chen
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rentang Bi
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jianzhuang Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shengcai Chen
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongkai Li
- Institute of Science, Beijing Tongrentang Co., Ltd., Beijing, China
| | - Huijuan Jin
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bo Hu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Higher levels of C-reactive protein in the acute phase of stroke indicate an increased risk for post-stroke depression: A systematic review and meta-analysis. Neurosci Biobehav Rev 2021; 134:104309. [PMID: 34416242 DOI: 10.1016/j.neubiorev.2021.08.018] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 08/15/2021] [Accepted: 08/15/2021] [Indexed: 11/23/2022]
Abstract
BACKGROUND Investigations have revealed the association between inflammation and post-stroke depression (PSD). However, whether the C-reactive protein (CRP) level, a biomarker of inflammation, would affect the development of PSD is still controversial. METHODS A systematic search of databases was performed for eligible studies. Standardized Mean Difference (SMD) with 95 % Confidence Interval (CI) was used to assess the association between the CRP level in the acute phase of stroke and the risk of PSD. RESULTS 13 cohort studies that involved 3536 participants were included. Combined results showed that compared with non-PSD patients, the CRP level of PSD patients was significantly higher on admission (SMD = 0.19, 95 % CI: 0.12-0.27). A subgroup analysis by classifying the assessment time of depression showed obvious differences of the CRP levels between the PSD patients who were diagnosed more than 1 month after stroke and the non-PSD (1-3 months: SMD = 0.16, 95 % CI: 0.06-0.25; >3months: SMD = 0.34, 95 % CI: 0.18-0.51). CONCLUSION A higher level of CRP in the acute phase of stroke suggests an increased risk for PSD.
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24
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Xu M, Wu G. The Clinical Significance of Serum IL-33 and sST2 Alterations in the Post-Stroke Depression. J Multidiscip Healthc 2021; 14:2009-2015. [PMID: 34354360 PMCID: PMC8331084 DOI: 10.2147/jmdh.s310524] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 06/16/2021] [Indexed: 12/22/2022] Open
Abstract
Introduction This study was to test whether the serum levels of IL-33 and sST2 are correlated with the development of depression after acute ischemic stroke. Methods Patients diagnosed with acute ischemic stroke were selected. This study took the 24-item Hamilton Depression Rating Scale (HAMD) (score ≥20) as the diagnostic criteria for depression. On the 21st day after admission, patients who met the depression diagnostic criteria were included in the depression group, and patients who failed to meet the diagnostic criteria were included in the non-depression group. The serum levels of IL-33, sST2 and hsCRP were measured by enzyme-linked immunosorbent assay (ELISA). Results On 1st day after stroke, compared with the non-depression group, there was no significant difference in the serum IL-33, sST2 and hsCRP levels in the depression group; on 21st day after stroke, compared with the non-depression group, the serum IL-33 and hsCRP levels were significantly increased, while the sST2 level was significantly decreased in the depression group. Correlation analysis showed that IL-33 was positively correlated with the depression quantitative score and hsCRP, while sST2 was negatively correlated with the depression quantitative score and hsCRP. Regression analysis showed that IL-33 and sST2 were independent risk factors for the depression after acute ischemic stroke. Discussion The abnormal alterations of serum IL-33 and sST2 levels in the stroke patients may serve as one of the risk factors for the occurrence and exacerbation of the depression, and its mechanism may be related to the promotion of inflammatory factor production in vivo.
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Affiliation(s)
- Meirong Xu
- Department of Geriatrics, The Second Affiliated Hospital of Hubei University of Science and Technology, Xianning, 437100, Hubei Province, People's Republic of China
| | - Ganlin Wu
- Department of Medicine, School of Clinical Medicine Sciences, Hubei University of Science and Technology, Xianning, 437100, Hubei Province, People's Republic of China.,National Demonstration Center for Experimental General Medicine Education (Hubei University of Science and Technology), Xianning, 437100, Hubei Province, People's Republic of China
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25
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De Giorgi R, Rizzo Pesci N, Quinton A, De Crescenzo F, Cowen PJ, Harmer CJ. Statins in Depression: An Evidence-Based Overview of Mechanisms and Clinical Studies. Front Psychiatry 2021; 12:702617. [PMID: 34385939 PMCID: PMC8353114 DOI: 10.3389/fpsyt.2021.702617] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 06/29/2021] [Indexed: 12/19/2022] Open
Abstract
Background: Depression is a leading cause of disability, burdened by high levels of non-response to conventional antidepressants. Novel therapeutic strategies targeting non-monoaminergic pathways are sorely needed. The widely available and safe statins have several putative mechanisms of action, especially anti-inflammatory, which make them ideal candidates for repurposing in the treatment of depression. A large number of articles has been published on this topic. The aim of this study is to assess this literature according to evidence-based medicine principles to inform clinical practise and research. Methods: We performed a systematic review of the electronic databases MEDLINE, CENTRAL, Web of Science, CINAHL, and ClinicalTrials.gov, and an unstructured Google Scholar and manual search, until the 9th of April 2021, for all types of clinical studies assessing the effects of statins in depression. Results: Seventy-two studies were retrieved that investigated the effects of statins on the risk of developing depression or on depressive symptoms in both depressed and non-depressed populations. Fifteen studies specifically addressed the effects of statins on inflammatory-related symptoms of anhedonia, psychomotor retardation, anxiety, and sleep disturbances in depression. Most studies suggested a positive effect of statins on the occurrence and severity of depression, with fewer studies showing no effect, while a minority indicated some negative effects. Limitations: We provide a narrative report on all the included studies but did not perform any quantitative analysis, which limits the strength of our conclusions. Conclusions: Robust evidence indicates that statins are unlikely to lead to depressive symptoms in the general population. Promising data suggest a potential role for statins in the treatment of depression. Further clinical studies are needed, especially in specific subgroups of patients identified by pre-treatment assessments of inflammatory and lipid profiles.
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Affiliation(s)
- Riccardo De Giorgi
- Department of Psychiatry, Warneford Hospital, University of Oxford, Oxford, United Kingdom
- Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, United Kingdom
| | - Nicola Rizzo Pesci
- Department of Neurosciences “Rita Levi Montalcini,” San Luigi Gonzaga University Hospital, University of Turin, Turin, Italy
| | - Alice Quinton
- Department of Psychiatry, Warneford Hospital, University of Oxford, Oxford, United Kingdom
- Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, United Kingdom
| | - Franco De Crescenzo
- Department of Psychiatry, Warneford Hospital, University of Oxford, Oxford, United Kingdom
- Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, United Kingdom
| | - Philip J. Cowen
- Department of Psychiatry, Warneford Hospital, University of Oxford, Oxford, United Kingdom
- Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, United Kingdom
| | - Catherine J. Harmer
- Department of Psychiatry, Warneford Hospital, University of Oxford, Oxford, United Kingdom
- Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, United Kingdom
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26
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Hu J, Wang L, Fan K, Ren W, Wang Q, Ruan Y, Yuan C, Huang G, He J. The Association Between Systemic Inflammatory Markers and Post-Stroke Depression: A Prospective Stroke Cohort. Clin Interv Aging 2021; 16:1231-1239. [PMID: 34234423 PMCID: PMC8243596 DOI: 10.2147/cia.s314131] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 06/10/2021] [Indexed: 12/12/2022] Open
Abstract
Objective Inflammation plays an important role in stroke. Many inflammatory markers in peripheral blood are proved to be associated with stroke severity or prognosis. But few comprehensive models or scales to evaluate the post-stroke depression (PSD) have been reported. In this study, we aimed to compare the level of systemic inflammation markers between PSD and non-PSD patients and explore the association of these inflammatory markers with PSD. Methods Totally, 432 ischemic stroke patients were consecutively enrolled in the study and received 1 month follow-up. We used the 17-Hamilton Rating Scale to measure depressive symptoms at 1 month after stroke. With the Hamilton Depression Scale score of >7, patients were diagnosed with PSD. Systemic immune-inflammation index (SII), neutrophil-to-lymphocyte (NLR), platelet-to-lymphocyte (PLR) and derived neutrophil-to-lymphocyte ratio (dNLR) were calculated from the admission blood work. Results Finally, 129 patients (30.5%) were diagnosed with PSD at 1 month. PSD patients showed significantly higher levels of SII (501.27 (345.43-782.58) vs 429.60 (315.64-570.98), P=0.001), NLR (2.36 (1.77-3.82) vs 2.17 (1.56-2.80), P=0.010), dNLR (1.67 (1.30-2.51) vs 1.54 (1.16-1.99), P=0.009), PLR (124.65 (95.25-155.15) vs 109.22 (92.38-142.03), P=0.015), especially SII at admission as compared to non-PSD patients. In the logistic analysis, SII value (>547.30) was independently associated with the occurrence of PSD (OR=2.181, 95% CI=1.274-3.732, p =0.004), better than dNLR (OR=1.833, 95% CI=1.071-3.137, p =0.027), PLR (OR= 1.822, 95% CI=1.063-3.122, p =0.029) and NLR (OR =1.728, 95% CI=1.009-2.958, p =0.046). Conclusion Increased SII, PLR, dNLR, NLR, particularly SII at admission, are significantly correlated with PSD and may add some prognostic clues to find early discovery of PSD.
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Affiliation(s)
- Jingjie Hu
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, People's Republic of China
| | - Liuyuan Wang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, People's Republic of China
| | - Kaili Fan
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, People's Republic of China
| | - Wenwei Ren
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, People's Republic of China
| | - Qiongzhang Wang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, People's Republic of China
| | - Yiting Ruan
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, People's Republic of China
| | - Chengxiang Yuan
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, People's Republic of China
| | - Guiqian Huang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, People's Republic of China
| | - Jincai He
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, People's Republic of China
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27
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The N-Formyl Peptide Receptor 2 (FPR2) Agonist MR-39 Exhibits Anti-Inflammatory Activity in LPS-Stimulated Organotypic Hippocampal Cultures. Cells 2021; 10:cells10061524. [PMID: 34204273 PMCID: PMC8235773 DOI: 10.3390/cells10061524] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/11/2021] [Accepted: 06/15/2021] [Indexed: 01/25/2023] Open
Abstract
Accumulating evidence indicates a pivotal role for chronic inflammatory processes in the pathogenesis of neurodegenerative and psychiatric disorders. G protein-coupled formyl peptide receptor 2 (FPR2) mediates pro-inflammatory or anti-/pro-resolving effects upon stimulation with biased agonists. We aimed to evaluate the effects of a new FPR2 ureidopropanamide agonist, compound MR-39, on neuroinflammatory processes in organotypic hippocampal cultures (OHCs) derived from control (WT) and knockout FPR2−/− mice (KO) exposed to bacterial endotoxin (lipopolysaccharide; LPS). Higher LPS-induced cytokine expression and basal release were observed in KO FPR2 cultures than in WT cultures, suggesting that a lack of FPR2 enhances the OHCs response to inflammatory stimuli. Pretreatment with MR-39 abolished some of the LPS-induced changes in the expression of genes related to the M1/M2 phenotypes (including Il-1β, Il-6, Arg1, Il-4, Cd74, Fizz and Cx3cr1) and TNF-α, IL-1β and IL-4 release in tissue derived from WT but not KO mice. Receptor specificity was confirmed by adding the FPR2 antagonist WRW4, which abolished the abovementioned effects of MR-39. Further biochemical data showed an increase in the phospho-p65/total p65 ratio after LPS stimulation in hippocampal tissues from both WT and KO mice, and MR-39 only reversed this effect on WT OHCs. LPS also increased TRAF6 levels, which are critical for the TLR4-mediated NF-κB pro-inflammatory responses. MR-39 attenuated the LPS-evoked increase in the levels of the NLRP3 and caspase-1 proteins in WT but not KO hippocampal cultures. Since NLRP3 may be involved in the pyroptosis, a lytic type of programmed cell death in which the main role is played by Gasdermin D (GSDMD), we examined the effects of LPS and/or MR-39 on the GSDMD protein level. LPS only increased GSDMD production in the WT tissues, and this effect was ameliorated by MR-39. Collectively, this study indicates that the new FPR2 agonist efficiently abrogates LPS-induced neuroinflammation in an ex vivo model, as evidenced by a decrease in pro-inflammatory cytokine expression and release as well as the downregulation of NLRP3 inflammasome-related pathways.
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28
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Paradoxical effect of statin medication on depressive disorder in first-ever ischemic stroke patients: possible antidepressant-like effect prestroke and the opposite in continuous medication poststroke. Int Clin Psychopharmacol 2021; 36:147-153. [PMID: 33724252 DOI: 10.1097/yic.0000000000000352] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Poststroke depression (PSD) is the most frequent complication after stroke. Statin is a widely used prophylactic for stroke. However, some researchers reported that poststroke statin may lead to a depressive change in stroke patients. We aimed to study the effect of different statin medication timing especially prestroke timing on PSD to adopt appropriate intervention around stroke. Patients with first-ever ischemic stroke were consecutively observed from January 2012 to June 2017. They were grouped by different initiation time of statin treatment. The follow-up endpoints were set to: (1) diagnosis of PSD within 1-year and (2) censor data. Cox regression model adjusted for confounding factors was performed. A total of 1571 patients were included in the analyses, among which 210 (13.4%) were comorbided with PSD, and the median time of the course was 30 (14-98) days. The patients who received both pre- and poststroke statin treatment had 1.99 times (P = 0.037) the hazard faced by patients who did not receive that medication. In contrast, sole statin pretreatment may have the tendency to reduce the risk of PSD. Our findings provide the primary results for the prestroke statin medication. The initiation timing of continuous regular statin treatment ahead of ischemic stroke could have a correlation with a higher risk of PSD.
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29
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Korostynski M, Hoinkis D, Piechota M, Golda S, Pera J, Slowik A, Dziedzic T. Toll-like receptor 4-mediated cytokine synthesis and post-stroke depressive symptoms. Transl Psychiatry 2021; 11:246. [PMID: 33903586 PMCID: PMC8076201 DOI: 10.1038/s41398-021-01359-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 03/27/2021] [Accepted: 04/09/2021] [Indexed: 11/16/2022] Open
Abstract
Altered cytokine synthesis thought to contribute to the pathophysiology of post-stroke depression (PSD). Toll-like receptor 4 (TLR4) is a master regulator of innate immunity. The aim of this study was to explore the putative association between TLR4-mediated cytokine synthesis and subsequent symptoms of PSD. In total, 262 patients with ischemic stroke and without a history of PSD were included. Depressive symptoms were assessed using the Patient Health Questionnaire-9 in 170 patients on Day 8 and in 146 at 3 months after stroke. Blood samples taken on Day 3 after stroke were stimulated ex vivo with lipopolysaccharide (LPS). Ex vivo synthesized cytokines (TNFα, IP-10, IL-1β, IL-6, IL-8, IL-10, and IL-12p70) and circulating cytokines (TNFα, IL-6, sIL-6R, and IL-1ra) were measured using the enzyme-linked immunoassay or cytometric method. RNA sequencing was used to determine the gene expression profile of LPS-induced cytokines and chemokines. LPS-induced cytokine synthesis and the gene expression of TLR4-dependent cytokines and chemokines did not differ between patients with and without greater depressive symptoms. The plasma level of IL-6, but not TNFα, sIL-6R, and IL-1ra, was higher in patients who developed depressive symptoms at 3 months after stroke (median: 4.7 vs 3.4 pg/mL, P = 0.06). Plasma IL-6 predicted the severity of depressive symptoms at 3 months after stroke (β = 0.42, P = 0.03). In conclusion, TLR4-dependent cytokine synthesis was not associated with greater post-stroke depressive symptoms in this study. Circulating IL-6 might be associated with depressive symptoms occurring at 3 months after stroke.
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Affiliation(s)
- Michal Korostynski
- grid.418903.70000 0001 2227 8271Department of Molecular Neuropharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | | | - Marcin Piechota
- grid.418903.70000 0001 2227 8271Department of Molecular Neuropharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Slawomir Golda
- grid.418903.70000 0001 2227 8271Department of Molecular Neuropharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Joanna Pera
- grid.5522.00000 0001 2162 9631Department of Neurology, Jagiellonian University Medical College, Krakow, Poland
| | - Agnieszka Slowik
- grid.5522.00000 0001 2162 9631Department of Neurology, Jagiellonian University Medical College, Krakow, Poland
| | - Tomasz Dziedzic
- Department of Neurology, Jagiellonian University Medical College, Krakow, Poland.
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Yao XW, Li YL, Yu ZJ, Mo CY, Pan HS, Li CY. The efficacy and safety of agomelatine, sertraline, and escitalopram for senile post-stroke depression: A randomized double-blind placebo-controlled trial. Clin Neurol Neurosurg 2021; 205:106651. [PMID: 33940563 DOI: 10.1016/j.clineuro.2021.106651] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/01/2021] [Accepted: 04/10/2021] [Indexed: 11/18/2022]
Abstract
OBJECTIVES This study aims to investigate the efficacy and safety of agomelatine, sertraline, and escitalopram for patients with senile post-stroke depression (SPSD, aged over 65 years). PATIENTS AND METHODS A total of 165 patients (aged over 65 years) with post-stroke depression (PSD) were recruited. These patients were randomly assigned to one of four groups and given an anti-depressant or a placebo as follows: group A (agomelatine in combination with conventional cerebrovascular disease medication) 48 patients; group B (sertraline in combination with conventional cerebrovascular disease medication) 47 patients; group C (escitalopram in combination with conventional cerebrovascular disease medication) 50 patients; and, a control group (conventional treatment alone) 20 patients. The efficacy of the different treatments was evaluated using the Hamilton Depression Scale (HAMD), the National Institute of Health Stroke Scale (NIHSS), and the Activities of Daily Living (ADL) Barthel index (BI) at one, two, four, and six weeks after treatment began. RESULTS According to the HAMD, NIHSS score, and BI index, the patients who received one of the three antidepressant treatments showed significant improvement compared with the control group (p < 0.05), but there was no significant difference between the three groups receiving anti-depressant medication (p > 0.05). Laboratory tests showed that the general adverse effects of the treatments were mild in all three groups, and patients generally tolerated the treatments. CONCLUSION A decrease of HAMD and NIHSS scores and an increase in the BI index could be observed in the patients receiving agomelatine, sertraline, or escitalopram treatment. Thus, it would appear that the condition of SPSD in older patients can be improved with the use of either agomelatine, sertraline, or escitalopram.
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Affiliation(s)
- Xian-Wei Yao
- Department of General Medicine, Wu Zhongpei Memorial Hospital, Foshan 528300, China.
| | - Yan-Lan Li
- Department of Outpatient, Guangdong Tongjiang Hospital, Foshan 528300, China
| | - Zhi-Jun Yu
- Department of General Medicine, Wu Zhongpei Memorial Hospital, Foshan 528300, China
| | - Cui-Ying Mo
- Department of General Medicine, Wu Zhongpei Memorial Hospital, Foshan 528300, China
| | - Hong-Shan Pan
- Department of General Medicine, Wu Zhongpei Memorial Hospital, Foshan 528300, China
| | - Chun-Yang Li
- Department of General Medicine, Wu Zhongpei Memorial Hospital, Foshan 528300, China
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31
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Wijeratne T, Sales C. Understanding Why Post-Stroke Depression May Be the Norm Rather Than the Exception: The Anatomical and Neuroinflammatory Correlates of Post-Stroke Depression. J Clin Med 2021; 10:jcm10081674. [PMID: 33919670 PMCID: PMC8069768 DOI: 10.3390/jcm10081674] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/30/2021] [Accepted: 04/07/2021] [Indexed: 12/13/2022] Open
Abstract
Ischemic Stroke precedes depression. Post-stroke depression (PSD) is a major driver for poor recovery, negative quality of life, poor rehabilitation outcomes and poor functional ability. In this systematic review, we analysed the inflammatory basis of post-stroke depression, which involves bioenergetic failure, deranged iron homeostasis (calcium influx, Na influx, potassium efflux etc), excitotoxicity, acidotoxicity, disruption of the blood brain barrier, cytokine-mediated cytotoxicity, reactive oxygen mediated toxicity, activation of cyclooxygenase pathway and generation of toxic products. This process subsequently results in cell death, maladapted, persistent neuro-inflammation and deranged neuronal networks in mood-related brain regions. Furthermore, an in-depth review likewise reveals that anatomic structures related to post-stroke depression may be localized to complex circuitries involving the cortical and subcortical regions.
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Affiliation(s)
- Tissa Wijeratne
- School of Psychology and Public Health, La Trobe University, Melbourne 3000, Australia
- Department of Neurology, Western Health & University Melbourne, AIMSS, Level Three, WHCRE, Sunshine Hospital, St Albans 3021, Australia;
- Department of Medicine, Faculty of Medicine, University of Rajarata, Saliyapura, Anuradhapura 50000, Sri Lanka
- Correspondence:
| | - Carmela Sales
- Department of Neurology, Western Health & University Melbourne, AIMSS, Level Three, WHCRE, Sunshine Hospital, St Albans 3021, Australia;
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Roohi E, Jaafari N, Hashemian F. On inflammatory hypothesis of depression: what is the role of IL-6 in the middle of the chaos? J Neuroinflammation 2021; 18:45. [PMID: 33593388 PMCID: PMC7884972 DOI: 10.1186/s12974-021-02100-7] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 02/02/2021] [Indexed: 12/13/2022] Open
Abstract
Many patients with major depressive disorder (MDD) are reported to have higher levels of multiple inflammatory cytokines including interleukin 6 (IL-6). Recent studies both pre-clinical and clinical have advocated for the functional role of IL-6 in development of MDD and suggested a great potential for targeting this cytokine to open new avenues in pharmacotherapy of depression. The purpose of the present narrative review was to provide an integrated account of how IL-6 may contribute to development of depression. All peer-reviewed journal articles published before July 2020 for each area discussed were searched by WOS, PubMed, MEDLINE, Scopus, Google Scholar, for original research, review articles, and book chapters. Publications between 1980 and July 2020 were included. Alterations in IL-6 levels, both within the periphery and the brain, most probably contribute to depression symptomatology in numerous ways. As IL-6 acts on multiple differing target tissues throughout the body, dysregulation of this particular cytokine can precipitate a multitude of events relevant to depression and blocking its effects can prevent further escalation of inflammatory responses, and potentially pave the way for opening new avenues in diagnosis, treatment, and prevention of this debilitating disorder.
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Affiliation(s)
- Elnaz Roohi
- Department of Clinical Pharmacy, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, No. 99 Yakhchal Street, Shariati Avenue, Tehran, 1941933111, Iran
| | - Nematollah Jaafari
- Université de Poitiers, Unité de recherche clinique intersectorielle Pierre Deniker du Centre Hospitalier Henri Laborit F-86022 France, Groupement De Recherche CNRS 3557, Poitiers, France
| | - Farshad Hashemian
- Department of Clinical Pharmacy, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, No. 99 Yakhchal Street, Shariati Avenue, Tehran, 1941933111, Iran.
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33
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Interleukin-18 from neurons and microglia mediates depressive behaviors in mice with post-stroke depression. Brain Behav Immun 2020; 88:411-420. [PMID: 32272223 DOI: 10.1016/j.bbi.2020.04.004] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/23/2020] [Accepted: 04/04/2020] [Indexed: 02/07/2023] Open
Abstract
Post-stroke depression (PSD) is a common and serious complication that is affecting one thirds of stroke patients which leaves them with a poor quality of life, high mortality rate, high recurrent rate, and slow recovery. Recent studies showed that serum interleukin-18 (IL-18) level is a biomarker for patients with PSD. However, the role of IL-18 in the pathology of PSD is still unclear. In this study, we demonstrated that the IL-18 level in the ischemic brain significantly increased in mice with depression-like behaviors that were caused by the combined use of chronic spatial restraint stress and middle cerebral artery occlusion. Interestingly, IL-18 expression was mainly found in neurons at early phase and in microglia at a later phase. Injection of the exogenous IL-18 into the amygdala, but not the hippocampus or the striatum caused severe depression-like behaviors. On the contrary, the blockage of endogenous IL-18 by IL-18 binding protein, a specific antagonist of IL-18, repressed depressive phenotypes in SIR mice. IL-18 KO mice exhibited the resistance to spatial restraint stress and cerebral ischemia injury. Finally, we found that IL-18 mediated depressive behaviors by the interaction of IL-18 receptor and NKCC1, a sodium-potassium chloride co-transporter that is related to GABAergic inhibition. Administration of NKCC1 antagonist bumetanide exerted a therapeutic effect on the in IL-18-induced depressive mice. In conclusion, we demonstrated that increased IL-18 in the brain causes depression-like behaviors by promoting the IL-18 receptor/NKCC1 signaling pathway. Targeting IL-18 and its downstream pathway is a promising strategy for the prevention and treatment of PSD.
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Chen Y, Pu J, Liu Y, Tian L, Chen X, Gui S, Xu S, Song X, Xie P. Pro-inflammatory cytokines are associated with the development of post-stroke depression in the acute stage of stroke: A meta-analysis. Top Stroke Rehabil 2020; 27:620-629. [PMID: 32316861 DOI: 10.1080/10749357.2020.1755813] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background: Pro-inflammatory cytokines may be associated with post-stroke depression (PSD); however, results from different studies are inconsistent.Objectives: To investigate whether pro-inflammatory cytokines are associated with the development of PSD in acute stroke.Methods: PubMed, Embase, and Web of science were searched for relevant literature. Meta-analyzes were performed to determine whether the baseline blood concentrations of pro-inflammatory cytokines differed between acute stroke patients with and without depression. Sensitivity analyzes and regression analyzes were conducted to explore sources of heterogeneity.Results: We included 889 acute stroke patients from eight original studies, 312 of whom developed PSD and 577 did not. The serum concentrations of interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-α) were higher in the PSD group, compared with the non-PSD group (IL-6: SMD = 1.26, 95% CI = [0.55, 1.97], P < 0.001; TNF-α: SMD = 0.61, 95% CI = [0.13, 1.10], P = 0.010).Conclusions: This study indicates IL-6 and TNF-α as potential biomarkers of PSD in the acute stage of stroke and provides theoretical support for the early prevention and treatment of PSD.
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Affiliation(s)
- Yue Chen
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Juncai Pu
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yiyun Liu
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,College of Medical Informatics, Chongqing Medical University, Chongqing, China
| | - Lu Tian
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,School of Public Health and Management, Chongqing Medical University, Chongqing, China
| | - Xiang Chen
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Siwen Gui
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,College of Medical Informatics, Chongqing Medical University, Chongqing, China
| | - Shaohua Xu
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xuemian Song
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Peng Xie
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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35
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Ting EYC, Yang AC, Tsai SJ. Role of Interleukin-6 in Depressive Disorder. Int J Mol Sci 2020; 21:ijms21062194. [PMID: 32235786 PMCID: PMC7139933 DOI: 10.3390/ijms21062194] [Citation(s) in RCA: 163] [Impact Index Per Article: 40.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 03/18/2020] [Accepted: 03/21/2020] [Indexed: 12/20/2022] Open
Abstract
Major depressive disorder (MDD), which is a leading psychiatric illness across the world, severely affects quality of life and causes an increased incidence of suicide. Evidence from animal as well as clinical studies have indicated that increased peripheral or central cytokine interleukin-6 (IL-6) levels play an important role in stress reaction and depressive disorder, especially physical disorders comorbid with depression. Increased release of IL-6 in MDD has been found to be a factor associated with MDD prognosis and therapeutic response, and may affect a wide range of depressive symptomatology. However, study results of the IL6 genetic effects in MDD are controversial. Increased IL-6 activity may cause depression through activation of hypothalamic-pituitary-adrenal axis or influence of the neurotransmitter metabolism. The important role of neuroinflammation in MDD pathogenesis has created a new perspective that the combining of blood IL-6 and other depression-related cytokine levels may help to classify MDD biological subtypes, which may allow physicians to identify the optimal treatment for MDD patients. To modulate the IL-6 activity by IL-6-related agents, current antidepressive agents, herb medication, pre-/probiotics or non-pharmacological interventions may hold great promise for the MDD patients with inflammatory features.
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Affiliation(s)
- Emily Yi-Chih Ting
- Department of Psychiatry, Taipei Veterans General Hospital, Taipei 11217, Taiwan;
| | - Albert C. Yang
- Brain Research Center, National Yang-Ming University, Taipei 11221, Taiwan;
- Division of Interdisciplinary Medicine and Biotechnology, Beth Israel Deaconess, Medical Center, Boston, MA 02115, USA
| | - Shih-Jen Tsai
- Department of Psychiatry, Taipei Veterans General Hospital, Taipei 11217, Taiwan;
- Brain Research Center, National Yang-Ming University, Taipei 11221, Taiwan;
- School of Medicine, National Yang-Ming University, Taipei 11221, Taiwan
- Correspondence: ; Tel.: +886-2-28757027 (ext. 276); Fax: +886-2-28725643
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36
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Parikh NS, Merkler AE, Iadecola C. Inflammation, Autoimmunity, Infection, and Stroke: Epidemiology and Lessons From Therapeutic Intervention. Stroke 2020; 51:711-718. [PMID: 32078460 DOI: 10.1161/strokeaha.119.024157] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Neal S Parikh
- From the Department of Neurology, Columbia University Medical College (N.S.P.), Weill Cornell Medicine, New York, NY.,Clinical and Translational Neuroscience Unit, Feil Family Brain and Mind Research Institute (N.S.P., A.E.M., C.I.), Weill Cornell Medicine, New York, NY.,Department of Neurology (N.S.P., A.E.M., C.I.), Weill Cornell Medicine, New York, NY
| | - Alexander E Merkler
- Clinical and Translational Neuroscience Unit, Feil Family Brain and Mind Research Institute (N.S.P., A.E.M., C.I.), Weill Cornell Medicine, New York, NY.,Department of Neurology (N.S.P., A.E.M., C.I.), Weill Cornell Medicine, New York, NY
| | - Costantino Iadecola
- Clinical and Translational Neuroscience Unit, Feil Family Brain and Mind Research Institute (N.S.P., A.E.M., C.I.), Weill Cornell Medicine, New York, NY.,Department of Neurology (N.S.P., A.E.M., C.I.), Weill Cornell Medicine, New York, NY
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37
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Yang CD, Cheng ML, Liu W, Zeng DH. Association of serum retinoic acid with depression in patients with acute ischemic stroke. Aging (Albany NY) 2020; 12:2647-2658. [PMID: 32040942 PMCID: PMC7041768 DOI: 10.18632/aging.102767] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 01/12/2020] [Indexed: 12/17/2022]
Abstract
Retinoic acid (RA), produced by the metabolism of vitamin A, makes effects on depression and stroke. This study was aimed to evaluate the relationship between RA levels in serum and post-stroke depression (PSD). A single-center (Chengdu, China) prospective cohort study was conducted on patients with acute ischemic stroke. The RA serum level was measured at admission. The PSD was assessed in the 3-month follow-up. The RA-PSD relationship was evaluated with conditional logistic regression. In total, 239 ischemic stroke cases and 100 healthy controls were included. The median RA serum level in patients with ischemic stroke was 2.45 ng/ml (interquartile range [IQR], 0.72-4.33), lower(P<0.001) than 3.89 ng/ml of those in control cases ([IQR]: 2.62-5.39). The crude and adjusted odds ratios [OR] (and 95% confidence intervals [CI]) of PSD associated with an IQR increase for RA were 0.54 (0.44, 0.67) and 0.66 (0.52, 0.79), respectively. Higher ORs of PSD associated with reduced RA levels (
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Affiliation(s)
- Cai-Di Yang
- Department of Neurology, Eastern Hospital, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu 610101, China
| | - Ming-Li Cheng
- Department of Neurology, People's Hospital of Jianyang, Jianyang 641400, China
| | - Wen Liu
- The Clinical Laboratory Department, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - Ding-Hua Zeng
- Department of Neurology, Eastern Hospital, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu 610101, China
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38
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Liu FR, Yang LY, Zheng HF, Zhou Y, Chen BB, Xu H, Zhang YW, Shen DY. Plasma levels of Interleukin 18 but not amyloid-β or Tau are elevated in female depressive patients. Compr Psychiatry 2020; 97:152159. [PMID: 31931428 DOI: 10.1016/j.comppsych.2020.152159] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 11/20/2019] [Accepted: 12/31/2019] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Depression is associated with inflammation and Alzheimer's disease (AD). However, detailed molecular mechanisms linking mood, neuroinflammation and AD remain unclear. Although changes in peripheral inflammatory factors such as Interleukin 18 (IL18), and AD-associated amyloid-β (Aβ) peptides have been linked to depression, a solid relationship between these factors in depressive disorder has yet to be established. This study aims to further determine whether plasma IL18, Aβ40, Aβ42, and the AD-associated tangle component Tau, as well as IL18 single nucleotide polymorphisms (SNPs) may be biomarkers for depression. METHODS We measured plasma IL18, Aβ40, Aβ42, and Tau in 64 depressive patients and 75 healthy controls, and characterized genotypes of three IL18 SNPs (rs187238, rs1946518 and rs1946519) in these subjects. Comparisons between depressive patients and controls were carried out in males, in females or in combination. Regression analyses were conducted to examine the correlation between these parameters. RESULTS We found that none of the plasma levels of IL18, Aβ40, Aβ42, and Tau, the ratio of Aβ42/Aβ40, and the genotypes of IL18 SNPs were significantly different between combined depressive patients and combined healthy controls, or between male depressive patients and male controls. However, IL18 levels were less in females than in males in healthy people and were significantly increased in female depressive patients compared to female controls. Moreover, IL18 and standardized IL18 were correlated with standardized Aβ42/Aβ40 ratio and standardized Tau in depressive patients. CONCLUSIONS Plasma IL18 may be a potential biomarker for depression in women.
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Affiliation(s)
- Fa-Rong Liu
- Department of Psychology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian, China; Fujian Provincial Key Laboratory of Neurodegenerative Disease and Aging Research, Institute of Neuroscience, School of Medicine, Xiamen University, Xiamen, Fujian, China; Xiamen City Xianyue Hospital, Xiamen, Fujian, China
| | - Lu-Yin Yang
- Arts College of Xiamen University, Xiamen, Fujian, China
| | | | - Yunqiang Zhou
- Fujian Provincial Key Laboratory of Neurodegenerative Disease and Aging Research, Institute of Neuroscience, School of Medicine, Xiamen University, Xiamen, Fujian, China
| | - Bin-Bin Chen
- Xiamen City Xianyue Hospital, Xiamen, Fujian, China
| | - Huaxi Xu
- Neuroscience Initiative, Sanford-Burnham-Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Yun-Wu Zhang
- Fujian Provincial Key Laboratory of Neurodegenerative Disease and Aging Research, Institute of Neuroscience, School of Medicine, Xiamen University, Xiamen, Fujian, China.
| | - Dong-Yan Shen
- Center Laboratory, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian, China.
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Gong X, Lu Z, Feng X, Yu C, Xue M, Yu L, Wang T, Cheng X, Lu J, Zhang M. Elevated Neutrophil-to-Lymphocyte Ratio Predicts Depression After Intracerebral Hemorrhage. Neuropsychiatr Dis Treat 2020; 16:2153-2159. [PMID: 33061386 PMCID: PMC7518785 DOI: 10.2147/ndt.s269210] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 08/31/2020] [Indexed: 01/04/2023] Open
Abstract
PURPOSE Inflammation plays a critical role in the development of depression after intracerebral hemorrhage (ICH), while neutrophil-to-lymphocyte ratio (NLR) has been identified as a novel comprehensive inflammatory indicator in recent years. The aim of this study was to examine the association between NLR and depression after ICH. PATIENTS AND METHODS From January 2016 to December 2018, ICH patients were prospectively enrolled. NLR was measured at admission. Depression at 3 months after ICH was diagnosed according to the Hamilton Depression Scale (HAMD). RESULTS Of the 372 enrolled patients, 107 (28.8%) were diagnosed with depression at 3 months after ICH. Patients with depression had a higher NLR (6.15 vs 3.55, P < 0.001). Logistic regression analysis detected that after adjusting for major confounders, NLR remained independently associated with depression after ICH (OR = 2.25, 95% CI: 1.45-3.49, P < 0.001). Moreover, NLR acted as the optimal variable for prediction, with the optimal predictive threshold of 4.53 in ROC analysis. CONCLUSION Elevated NLR is associated with depression at 3 months after ICH, suggesting that NLR may be a significant biomarker to predict depression after ICH.
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Affiliation(s)
- Xiuqun Gong
- 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
| | - Zeyu Lu
- School of Medicine, Anhui University of Science and Technology, Huainan 232001, Anhui, People's Republic of China
| | - Xiwu Feng
- Department of Cardiothoracic Surgery, First Affiliated Hospital of Anhui University of Science and Technology, First People's Hospital of Huainan, Huainan 232001, Anhui, People's Republic of China
| | - Chuanqing Yu
- 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
| | - 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
| | - Liang Yu
- 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
| | - Tao Wang
- 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
| | - Xiaosi Cheng
- 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
| | - Jun Lu
- Department of Medical Laboratory, School of Medicine, Anhui University of Science and Technology, Huainan 232001, Anhui, People's Republic of China.,Department of Clinical Laboratory, First Affiliated Hospital of Anhui University of Science and Technology, First People's Hospital of Huainan, Huainan 232001, 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
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40
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Aznaouridis K, Masoura C, Vlachopoulos C, Tousoulis D. Statins in Stroke. Curr Med Chem 2019; 26:6174-6185. [PMID: 31218948 DOI: 10.2174/0929867326666190620104539] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Revised: 03/25/2019] [Accepted: 06/10/2019] [Indexed: 01/02/2023]
Abstract
BACKGROUND Stroke is a major cause of mortality and disability in modern societies. Statins are effective medications in decreasing cardiovascular events through lipid lowering and pleiotropic effects. OBJECTIVE To summarize current evidence regarding the role of statins in the prevention and management of stroke. METHODS A narrative review of current evidence regarding the effect of statins in stroke management. Electronic searches of MEDLINE, EMBASE and Cochrane Databases were performed. RESULTS In primary prevention of stroke in patients with risk factors but no established cardiovascular disease, potent statins such as atorvastatin and rosuvastatin have shown some benefits, but the clinical relevance of this effect is questionable. In populations at higher risk of stroke, such as patients with established coronary heart disease, the majority of relevant studies have shown a beneficial effect of statins in preventing stroke. Similarly, in patients with a previous cerebrovascular event, there is a clear benefit of statins for the prevention of recurrent events. The use of statins is not associated with an increased risk of intracranial bleeding in primary prevention studies. There may be an increased incidence of non-fatal hemorrhagic stroke with high dose statins in patients with a previous cerebrovascular event. Patients who experience a stroke while on statins should not discontinue statins. In addition, statins are associated with better survival and improved functional outcome when administered during the acute phase of stroke in statin-naive patients. In contrast, statins do not confer any benefit in patients with acute ischemic stroke who receive thrombolysis. CONCLUSION Treatment with statins prevents ischemic stroke, especially in patients with high cardiovascular risk and established atherosclerotic disease. It seems that both lipid lowering and pleiotropic effects contribute to these effects.
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Affiliation(s)
| | - Constantina Masoura
- 1st Department of Cardiology, Athens Medical School, Hippokration Hospital, Athens, Greece
| | | | - Dimitris Tousoulis
- 1st Department of Cardiology, Athens Medical School, Hippokration Hospital, Athens, Greece
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41
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Trojan E, Chamera K, Bryniarska N, Kotarska K, Leśkiewicz M, Regulska M, Basta-Kaim A. Role of Chronic Administration of Antidepressant Drugs in the Prenatal Stress-Evoked Inflammatory Response in the Brain of Adult Offspring Rats: Involvement of the NLRP3 Inflammasome-Related Pathway. Mol Neurobiol 2019; 56:5365-5380. [PMID: 30610610 PMCID: PMC6614144 DOI: 10.1007/s12035-018-1458-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 12/17/2018] [Indexed: 12/24/2022]
Abstract
Evidence indicates that adverse experiences in early life may be a factor for immune disturbances leading to the depression in adulthood. Recently, a pivotal role in the pathogenesis of depression has been assigned to the activation of the brain Nod-like receptor pyrin-containing 3 (NLRP3) inflammasome. We investigated the impact of chronic treatment with antidepressant drugs on the behavioral disturbances and the levels of proinflammatory factors in the hippocampus and frontal cortex of adult male rats after prenatal stress exposure. Next, we explored the involvement of the NLRP3 inflammasome-related pathways in the mechanism of antidepressant action. Our study confirmed that chronic antidepressant treatment attenuated depression-like disturbances and exerted an anxiolytic action. All antidepressants diminished the prenatal stress-induced increase in IL-1β in both brain areas, while IL-18 only in the hippocampus. Moreover, tianeptine administration diminished the increase in CCR2 levels in both brain areas, while in the hippocampus, tianeptine, along with venlafaxine CCL2 and iNOS levels. Next, we observed that in the hippocampus, tianeptine and fluoxetine suppressed upregulation of TLR4. Furthermore, venlafaxine suppressed NFкB p65-subunit phosphorylation, while fluoxetine enhanced the IкB level. Importantly, in the hippocampus, all antidepressants normalized evoked by stress changes in caspase-1 level, while tianeptine and venlafaxine also affect the levels of ASC and NLRP3 subunits. Our results provide new evidence that chronic administration of antidepressants exerts anti-inflammatory effects more pronounced in the hippocampus, through suppression of the NLRP3 inflammasome activation. These effects are accompanied by an improvement in the behavioral dysfunctions evoked by prenatal stress.
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Affiliation(s)
- Ewa Trojan
- Department of Experimental Neuroendocrinology, Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna St., 31-343, Kraków, Poland
| | - Katarzyna Chamera
- Department of Experimental Neuroendocrinology, Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna St., 31-343, Kraków, Poland
| | - Natalia Bryniarska
- Department of Experimental Neuroendocrinology, Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna St., 31-343, Kraków, Poland
| | - Katarzyna Kotarska
- Department of Experimental Neuroendocrinology, Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna St., 31-343, Kraków, Poland
| | - Monika Leśkiewicz
- Department of Experimental Neuroendocrinology, Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna St., 31-343, Kraków, Poland
| | - Magdalena Regulska
- Department of Experimental Neuroendocrinology, Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna St., 31-343, Kraków, Poland
| | - Agnieszka Basta-Kaim
- Department of Experimental Neuroendocrinology, Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna St., 31-343, Kraków, Poland.
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Huang G, Chen H, Wang Q, Hong X, Hu P, Xiao M, Shu M, He J. High platelet-to-lymphocyte ratio are associated with post-stroke depression. J Affect Disord 2019; 246:105-111. [PMID: 30578944 DOI: 10.1016/j.jad.2018.12.012] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 11/26/2018] [Accepted: 12/08/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND Post-stroke depression (PSD) is the most common psychological consequence among stroke patients, and inflammatory cytokines have cited as risk factors in PSD. We aimed to evaluate the predictive value of stratification of PLR (platelet-to-lymphocyte ratio), an inflammatory marker, in PSD patients. METHODS A total of 363 acute ischemic stroke (AIS) patients were screened in the study and received 1-month follow-up. All of the patients were categorized into equal tertiles according to the number of patients and the distribution of PLR. PSD status was evaluated by 17-item Hamilton Depression Rating Scale at 1 month after stroke RESULTS: The optimal cut-off points of PLR were: (T1) 42.15-99.60, (T2) 99.72-127.92, (T3) 127.93-259.84. A total of 77 patients (21.2%) were diagnosed with PSD at 1-month follow-up. Significant differences were found between the PSD and non-PSD groups in PLR tertiles of patients (P < 0.001). After adjustment for conventional confounding factors, the odds ratio of PSD was 5.154 (95% CI, 1.933-13.739) for the highest tertile of PLR compared with the lowest tertile. In multiple-adjusted spline regression, continuously PLR showed linear relation with PSD risk after 95 (P < 0.001 for linearity). LIMITATIONS We excluded patients with severe aphasia or serious conditions. In addition, the PLR was recorded only at admission, which limited us explore the correlation of the change of PLR over time with PSD CONCLUSIONS: Increased PLR at admission is a significant and independent biomarker to predict the development of PSD, and stratified PLR could strengthen the predictive power for PSD patients.
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Affiliation(s)
- Guiqian Huang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, Zhejiang, China
| | - Huijun Chen
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, Zhejiang, China
| | - Qiongzhang Wang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, Zhejiang, China
| | - Xianchai Hong
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, Zhejiang, China
| | - Pinglang Hu
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, Zhejiang, China
| | - Meijuan Xiao
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, Zhejiang, China
| | - Meichun Shu
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, Zhejiang, China
| | - Jincai He
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, Zhejiang, China.
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Krause D, Kirnich VB, Stapf TM, Hennings A, Riemer S, Riedel M, Schmidmaier R, Gil FP, Rief W, Schwarz MJ. Values of Cytokines and Tryptophan Metabolites over a 12 Weeks Time Course in Patients with Depression and Somatoform Disorder. CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE 2019; 17:34-42. [PMID: 30690938 PMCID: PMC6361033 DOI: 10.9758/cpn.2019.17.1.34] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 08/31/2017] [Accepted: 10/24/2017] [Indexed: 12/24/2022]
Abstract
Objective Previous studies have suggested alterations in the kynurenine pathway as a major link between cytokine and neurotransmitter abnormalities in psychiatric disorders. Most of these studies used a cross-sectional case-control study design. However, knowledge is still lacking regarding the stability over time of kynurenine pathway metabolites and the functionally related cytokines. Therefore, we studied the stability of cytokines and tryptophan (TRP) parameters over a period of 12 weeks. Methods A total of 117 participants-39 with major depression, 27 with somatoform disorder, and 51 healthy controls were enrolled. Four evaluations, including blood withdrawal and psychometric testing, were performed over a period of 12 weeks. We used ELISA to measure interleukin (IL)-6, IL-1 receptor antagonist (RA) and tumor necrosis factor α (TNF α). High-performance liquid chromatography was used to analyze neurotransmitter variables, i.e. TRP, 5-hydroxyindoleacetic acid (5-HIAA), kynurenine (KYN), 3-OH-kynurenine (3-HK), and kynurenic acid (KYNA). Results We found no significant fluctuations of TRP, its metabolites (5-HIAA, KYN, KYNA, and 3-HK), or the cytokines (IL-1RA, IL-6, and TNF α) in any of the groups over the 12 weeks. Conclusion To our knowledge, this is the first longitudinal study performed in psychiatric patients to verify the stability and consequently the reliability of the biological parameters we investigated. Our data indicate that TRP metabolites and cytokines are reliable biological parameters in psychiatric research because they do not fluctuate significantly over time.
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Affiliation(s)
- Daniela Krause
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Germany
| | - Verena B Kirnich
- Department of Laboratory Medicine, Ludwig Maximilians University, Munich, Germany
| | - Theresa M Stapf
- Department of Laboratory Medicine, Ludwig Maximilians University, Munich, Germany
| | - Anika Hennings
- Division of Clinical Psychology and Psychotherapy, Philipps University of Marburg, Marburg, Germany
| | - Sabine Riemer
- Division of Clinical Psychology and Psychotherapy, Philipps University of Marburg, Marburg, Germany
| | - Michael Riedel
- Department of Laboratory Medicine, Ludwig Maximilians University, Munich, Germany
| | - Ralf Schmidmaier
- Department of Hematology and Oncology, Ludwig Maximilians University, Munich, Germany
| | | | - Winfried Rief
- Division of Clinical Psychology and Psychotherapy, Philipps University of Marburg, Marburg, Germany
| | - Markus J Schwarz
- Department of Laboratory Medicine, Ludwig Maximilians University, Munich, Germany
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Schultz NEØ, Hasseldam H, Rasmussen RS, Vindegaard N, McWilliam O, Iversen HK, Johansen FF. Statin treatment before stroke reduces pro-inflammatory cytokine levels after stroke. Neurol Res 2018; 41:289-297. [DOI: 10.1080/01616412.2018.1558000] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
| | - Henrik Hasseldam
- Biotech Research and Innovation Centre, University of Copenhagen, Copenhagen, Denmark
| | | | - Nina Vindegaard
- Biotech Research and Innovation Centre, University of Copenhagen, Copenhagen, Denmark
| | - Oskar McWilliam
- Biotech Research and Innovation Centre, University of Copenhagen, Copenhagen, Denmark
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Liu X, Jin X, Chen B, Liu X, Liang X, Fang X, Wu H, Fu X, Zheng H, Ding X, Duan N, Zhang Y. Effects of Kudiezi Injection on Serum Inflammatory Biomarkers in Patients with Acute Cerebral Infarction. DISEASE MARKERS 2018; 2018:7936736. [PMID: 30245755 PMCID: PMC6139219 DOI: 10.1155/2018/7936736] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 05/28/2018] [Indexed: 02/05/2023]
Abstract
BACKGROUND Kudiezi injection is a traditional Chinese medicine for acute cerebral infarction, but the exact mechanisms are poorly understood. OBJECTIVE To investigate the mechanisms of Kudiezi injection on the inflammatory response in the treatment of acute cerebral infarction. METHODS This was a prospective study of patients with acute cerebral infarction within 48 h of onset and treated between July 2012 and July 2016 at three hospitals in China. The patients were randomized to routine treatments (control group) versus routine treatments and Kudiezi injection (Kudiezi group). The National Institutes of Health Stroke Score was assessed on days 1, 3, 5, 7, and 14. The patients were tested for serum levels of pro- and anti-inflammatory cytokines (S100 calcium-binding protein B, neuron-specific enolase, interleukin-6, interleukin-10, interleukin-18, and matrix metaloproteinase-9; by enzyme-linked immunosorbent assay) immediately after admission and on days 3, 5, and 14. RESULTS Stroke scores were improved in both groups from days 1 to 14. On days 5 and 7, stroke scores in the Kudiezi group were lower than in the control group (P < 0.05). Compared with controls, the Kudiezi group had lower serum S100 calcium-binding protein B on day 14; higher interleukin-6 and interleukin-10 on day 3; lower interleukin-6 and interleukin-18 on day 5; and lower interleukin-18 and matrix metaloproteinase-9 on day 14. CONCLUSION Kudiezi injection could lead to early reduction of interleukin-6, interleukin-18, matrix metaloproteinase-9, neuron-specific enolase, and S100 calcium-binding protein B levels and increases of interleukin-10 levels in patients with acute ischemic stroke. This trial is registered with ClinicalTrials.gov NCT01636154.
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Affiliation(s)
- Xuemei Liu
- Central Laboratory, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Xianglan Jin
- Department of Neurology, Dong Fang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Baoxin Chen
- Department of Neurology, Dong Fang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaohan Liu
- Beijing University of Chinese Medicine, Beijing, China
| | - Xiao Liang
- Beijing University of Chinese Medicine, Beijing, China
| | - Xiaolei Fang
- Department of Emergency, Dong Fang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Hongyun Wu
- Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xiaoyu Fu
- Department of Neurology, Beijing Huairou District Hospital of Chinese Medicine, Beijing, China
| | - Hong Zheng
- Central Laboratory, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Xiao Ding
- Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Na Duan
- Department of Neurology, Beijing Huairou District Hospital of Chinese Medicine, Beijing, China
| | - Yunling Zhang
- Central Laboratory, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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Chen H, Luan X, Zhao K, Qiu H, Liu Y, Tu X, Tang W, He J. The association between neutrophil-to-lymphocyte ratio and post-stroke depression. Clin Chim Acta 2018; 486:298-302. [PMID: 30130533 DOI: 10.1016/j.cca.2018.08.026] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 07/12/2018] [Accepted: 08/14/2018] [Indexed: 11/28/2022]
Abstract
BACKGROUND Post-stroke depression (PSD) is the most common complication occurring among stroke survivors. It has been shown that increased neutrophil-to-lymphocyte ratio (NLR) is associated with depression. We explored the relationship between NLR and PSD. METHODS In total, 299 ischemic stroke patients were consecutively enrolled in the study and received 1 month follow-up. The 17-Hamilton Rating Scale was used to measure depressive symptoms at 1 month after stroke. With the Hamilton Depression Scale score of >7, parents were given the DSM-IV criteria for diagnosis of PSD. NLR was computered from the admission blood work. Meanwhile, the control group consisted of 180 healthy volunteers was also recruited. RESULTS Seventy-eight patients (26.1%) were diagnosed with PSD at 1 month. PSD patients showed significantly higher levels of NLRs at admission as compared to non-PSD patients as well as normal controls (P < .001). In the logistic analysis, taking NLR values (<3.701) a reference and PSD presence as a dependent variable, NLR values (≥3.70 l) were independently associated with the development of PSD (OR 4.038, 95% CI 2.174-7.500, p < .001). CONCLUSIONS Increased NLRs at admission are found to be correlated with PSD and may add prognostic information for the early discovery of PSD.
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Affiliation(s)
- Huijun Chen
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Xiaoqian Luan
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Kai Zhao
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China; First School of Clinical Medicine, Wenzhou Medical University, Wenzhou 325000, China
| | - Huihua Qiu
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Yuntao Liu
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Xinjie Tu
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Wenjie Tang
- First School of Clinical Medicine, Wenzhou Medical University, Wenzhou 325000, China.
| | - Jincai He
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
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Serum concentrations of interleukin 18 and 25-hydroxyvitamin D3 correlate with depression severity in men with psoriasis. PLoS One 2018; 13:e0201589. [PMID: 30092066 PMCID: PMC6084948 DOI: 10.1371/journal.pone.0201589] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 07/18/2018] [Indexed: 12/27/2022] Open
Abstract
Objective Psoriasis and depression may have common mechanisms, such as systemic inflammation, dysfunction of the hypothalamic-pituitary-adrenal axis, and vitamin D3 deficiency. Among men with psoriasis, this study examined whether depression severity was associated with serum concentrations of different metabolic and inflammatory markers. Methods The study included 85 men with psoriasis (mean age ± standard deviation [SD], 47 ± 14 years) and 65 men without psoriasis (mean age ± SD, 44 ± 13 years). In both groups, we measured the body mass index; blood pressure; and serum concentrations of lipids, uric acid, lipase, interleukins 6 and 18, cortisol, and 25-hydroxyvitamin D3. All participants completed the Beck Depression Inventory. Other variables analyzed included psoriasis duration, the Psoriasis Area Severity Index, and the percentage of body surface area affected by psoriatic lesions. Results Compared with controls, patients with psoriasis had significantly greater depression severity, higher body mass indices, and higher serum concentrations of total cholesterol and interleukins 6 and 18; moreover, they had significantly lower serum 25-hydroxyvitamin D3 concentrations. In patients with psoriasis, depression severity correlated positively with psoriasis duration, the Psoriasis Area Severity Index, the percentage of body surface area affected by psoriatic lesions, and interleukin-18 concentration. In patients with psoriasis, depression severity correlated negatively with 25-hydroxyvitamin D3 concentration, but it did not correlate significantly with the serum concentrations of interleukin 6 and cortisol. Conclusions High concentrations of interleukin 18 and low concentrations of 25-hydroxyvitamin D3 may be associated with depression severity in men with psoriasis. Thus, further studies should examine whether effective anti-inflammatory treatments or vitamin D3 supplementation can improve depression outcomes in these patients.
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Zhao AM, Qiu WR, Mao LJ, Ren JG, Xu L, Yao MJ, Bilinksi K, Chang D, Liu JX. The efficacy and safety of Jiedu Tongluo granules for treating post-stroke depression with qi deficiency and blood stasis syndrome: study protocol for a randomized controlled trial. Trials 2018; 19:275. [PMID: 29747670 PMCID: PMC5946494 DOI: 10.1186/s13063-018-2633-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 04/09/2018] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Post-stroke depression (PSD) is the most common psychiatric complication after a stroke. The most frequently used antidepressants are selective serotonin receptor inhibitors (SSRIs) and serotonin and norepinephrine reuptake inhibitors (SNRIs), however, these exhibit a series of side effects. Traditional Chinese medicine has been used to treat PSD with few side effects. The aim of this study is to evaluate the efficacy and safety of Jiedu Tongluo granules for treating PSD with qi deficiency and blood stasis syndrome. METHODS The planned study is a double-blind, randomized, placebo-controlled pilot trial. Eighty participants will be randomly assigned to receive either treatment or placebo. The treatment group will receive Jiedu Tongluo granules (JDTLG) with conventional treatment, and the placebo group will receive placebo with conventional treatment for 8 weeks. The primary outcome is the effectiveness of JDTLG on depression after 8 weeks treatment, which is defined as a decrease of 50% or more in 17-item Hamilton Depression Scale (HAMD-17) score or clinical recovery (score < 7). Secondary outcomes are improvement in neurological function, degree of independence, activities of daily living, and TCM syndrome at each visit, which will be measured with National Institute of Health Stroke Scale (NIHSS), modified Rankin Scale (mRS), Barthel Index (BI) and TCM scale, respectively. Interleukin (IL)-6, IL-8, and small-molecule metabolites will be monitored to explore the mechanism of action of JDTLG on PSD. Safety measures include vital signs, results of electrocardiography, laboratory index (full blood count, kidney and liver function tests) and adverse events. DISCUSSION The purpose of this trial is to evaluate the therapeutic effects and safety of JDTLG in individuals with PSD with concomitant qi deficiency and blood stasis syndrome. If successful, the outcome of this trial will provide a viable treatment option for PSD patients. TRIAL REGISTRATION ClinicalTrials.gov ID: NCT03147053 . Registered on 27 April 2017.
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Affiliation(s)
- Ai-mei Zhao
- Graduate School, Beijing University of Chinese Medicine, Beijing, 100029 China
- Institute of Basic Medical Sciences, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Haidian District, Beijing, 100091 People’s Republic of China
| | - Wen-ran Qiu
- Graduate School, Beijing University of Chinese Medicine, Beijing, 100029 China
- Department of Neurology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091 China
| | - Li-jun Mao
- Department of Neurology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091 China
| | - Jun-guo Ren
- Institute of Basic Medical Sciences, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Haidian District, Beijing, 100091 People’s Republic of China
| | - Li Xu
- Institute of Basic Medical Sciences, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Haidian District, Beijing, 100091 People’s Republic of China
| | - Ming-jiang Yao
- Institute of Basic Medical Sciences, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Haidian District, Beijing, 100091 People’s Republic of China
| | - Kellie Bilinksi
- NICM, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751 Australia
| | - Dennis Chang
- NICM, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751 Australia
| | - Jian-xun Liu
- Institute of Basic Medical Sciences, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Haidian District, Beijing, 100091 People’s Republic of China
- NICM, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751 Australia
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Wang Q, Zhu Z, Liu Y, Tu X, He J. Relationship between serum vitamin D levels and inflammatory markers in acute stroke patients. Brain Behav 2018; 8:e00885. [PMID: 29484258 PMCID: PMC5822590 DOI: 10.1002/brb3.885] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 10/13/2017] [Accepted: 11/01/2017] [Indexed: 02/06/2023] Open
Abstract
Introduction Low serum vitamin D levels are associated with the development of poststroke depression (PSD). Inflammatory markers play an important role in pathophysiology of PSD. The relationship between vitamin D levels and inflammatory markers has been discussed in nonstroke individuals. The purposes of this study were to explore the relationship between vitamin D levels and inflammatory markers in acute stroke patients and examine the effect of vitamin D and inflammatory markers on PSD. Methods A total of 152 acute stroke patients were recruited. Serum levels of 25-hydroxyvitamin D and inflammatory markers were measured by standardized laboratory methods. Depression symptoms were assessed with the 17-item Hamilton Depression Scale (HAMD-17). Patients with the HAMD-17 scores ≥7 were identified to have depression symptoms. Results Serum vitamin D levels were negatively correlated with serum levels of interleukin-6 and high-sensitivity C-reactive protein (hsCRP) (r = -.244, p = .002; r = -.231, p = .004). Multiple regression analysis showed that interleukin-6 and hsCRP levels were associated with vitamin D levels (B = -0.355, p = .003; B = -2.085, p = .006), whereas age, height, weight, leukocyte count, neutrophil ratio, and lymphocyte rate could be omitted without changing the results. In multivariate analyses, the serum levels of vitamin D and interleukin-6 were associated with the development of PSD after adjusted possible variables (OR = 0.976, 95% CI: 0.958-0.994, p = .009; OR = 1.029, 95% CI: 1.003-1.055, p = .027). Conclusions Serum vitamin D levels are inversely associated with the levels of interleukin-6 and hsCRP, suggesting a potential anti-inflammatory role for vitamin D in stroke individuals.
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Affiliation(s)
- Qiongzhang Wang
- Department of NeurologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang ProvinceChina
| | - Zhuoying Zhu
- Department of NeurologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang ProvinceChina
| | - Yuntao Liu
- Department of NeurologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang ProvinceChina
| | - Xinjie Tu
- Department of NeurologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang ProvinceChina
| | - Jincai He
- Department of NeurologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang ProvinceChina
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Interactions between pro-inflammatory cytokines and statins on depression in patients with acute coronary syndrome. Prog Neuropsychopharmacol Biol Psychiatry 2018; 80:250-254. [PMID: 28689006 DOI: 10.1016/j.pnpbp.2017.07.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Accepted: 07/05/2017] [Indexed: 12/25/2022]
Abstract
OBJECTIVE Pro-inflammatory cytokines are associated with the development of depression and statins exert anti-inflammatory and antidepressant effects. The present study aimed to investigate associations between interleukin (IL)-6 and IL-18 and depression in patients with acute coronary syndrome (ACS) and potential interactions between statin use and pro-inflammatory cytokines on depression in this population. METHODS We used pooled datasets from 1-year follow-up data from a 24-week randomized double-blind placebo-controlled trial (RCT) of escitalopram for treatment of depressive disorder and data from a naturalistic, prospective, observational cohort study in patients with ACS. IL-6 and IL-18 levels were measured at baseline. Logistic regression models were used to investigate independent associations of IL-6/IL-18 levels with depressive disorder at baseline and at 1year. We repeated all analyses by reference to statin use to determine whether any significant association emerged. RESULTS Of the 969 participants, 378 (39.0%) had major or minor depression at baseline. Of 711 patients followed-up at 1year, 183 (25.7%) had depression. Logistic regression analysis showed that higher IL-6 and IL-18 levels at baseline were significantly associated with baseline depression after adjusting for other variables (adjusted p-values=0.005 and 0.001, respectively). IL-6 and IL-18 levels were also significantly higher in patients with depression at the 1-year follow-up after adjusting for other variables amongst those not taking statins (adjusted p-values=0.040 and 0.004, respectively); but this was not the case in patients taking statins. CONCLUSION Levels of pro-inflammatory cytokines appear to predict development of depression after ACS and statins attenuate the effects of cytokines on depression.
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