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Zhou YM, Yuan JJ, Xu YQ, Gou YH, Zhu YYX, Chen C, Huang XX, Ma XM, Pi M, Yang ZX. Fecal microbiota as a predictor of acupuncture responses in patients with postpartum depressive disorder. Front Cell Infect Microbiol 2023; 13:1228940. [PMID: 38053532 PMCID: PMC10694210 DOI: 10.3389/fcimb.2023.1228940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 10/31/2023] [Indexed: 12/07/2023] Open
Abstract
Background There are several clinical and molecular predictors of responses to antidepressant therapy. However, these markers are either too subjective or complex for clinical use. The gut microbiota could provide an easily accessible set of biomarkers to predict therapeutic efficacy, but its value in predicting therapy responses to acupuncture in patients with depression is unknown. Here we analyzed the predictive value of the gut microbiota in patients with postpartum depressive disorder (PPD) treated with acupuncture. Methods Seventy-nine PPD patients were enrolled: 55 were treated with acupuncture and 24 did not received any treatment. The 17-item Hamilton depression rating scale (HAMD-17) was used to assess patients at baseline and after eight weeks. Patients receiving acupuncture treatment were divided into an acupuncture-responsive group or non-responsive group according to HAMD-17 scores changes. Baseline fecal samples were obtained from the patients receiving acupuncture and were analyzed by high-throughput 16S ribosomal RNA sequencing to characterize the gut microbiome. Results 47.27% patients responded to acupuncture treatment and 12.5% patients with no treatment recovered after 8-week follow-up. There was no significant difference in α-diversity between responders and non-responders. The β-diversity of non-responders was significantly higher than responders. Paraprevotella and Desulfovibrio spp. were significantly enriched in acupuncture responders, and these organisms had an area under the curve of 0.76 and 0.66 for predicting responder patients, respectively. Conclusions Paraprevotella and Desulfovibrioare may be useful predictive biomarkers to predict PPD patients likely to respond to acupuncture. Larger studies and validation in independent cohorts are now needed to validate our findings.
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Affiliation(s)
- Yu-Mei Zhou
- Department of Acupuncture, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Jin-Jun Yuan
- Department of Acupuncture, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Yu-Qin Xu
- Department of Acupuncture, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Yan-Hua Gou
- Department of Acupuncture, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Yannas Y. X. Zhu
- Department of Acupuncture, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Chen Chen
- Department of Acupuncture and Tuina, Shenzhen Maternal and Child Health Care Hospital, Shenzhen, China
| | - Xing-Xian Huang
- Department of Acupuncture, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Xiao-Ming Ma
- Department of Acupuncture, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Min- Pi
- Department of Acupuncture, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Zhuo-Xin Yang
- Department of Acupuncture, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
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Zhang N, Qi X, Chang H, Li C, Qin X, Wei W, Cai Q, He D, Zhao Y, Shi S, Chu X, Wen Y, Jia Y, Zhang F. Combined effects of inflammation and coronavirus disease 2019 (COVID-19) on the risks of anxiety and depression: A cross-sectional study based on UK Biobank. J Med Virol 2023; 95:e28726. [PMID: 37185864 DOI: 10.1002/jmv.28726] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 03/23/2023] [Accepted: 04/03/2023] [Indexed: 05/17/2023]
Abstract
Infection-induced perturbation of immune homeostasis could promote psychopathology. Psychiatric sequelae have been observed after previous coronavirus outbreaks. However, limited studies were conducted to explore the potential interaction effects of inflammation and coronavirus disease 2019 (COVID-19) on the risks of anxiety and depression. In this study, first, polygenic risk scores (PRS) were calculated for eight COVID-19 clinical phenotypes using individual-level genotype data from the UK Biobank. Then, linear regression models were developed to assess the effects of COVID-19 PRS, C-reactive protein (CRP), systemic immune inflammation index (SII), and their interaction effects on the Generalized Anxiety Disorder-7 (GAD-7, 104 783 individuals) score and the Patient Health Questionnaire-9 (PHQ-9, 104 346 individuals) score. Several suggestive interactions between inflammation factors and COVID-19 clinical phenotypes were detected for PHQ-9 score, such as CRP/SII × Hospitalized/Not_Hospitalized in women group and CRP × Hospitalized/Unscreened in age >65 years group. For GAD-7 score, we also found several suggestive interactions, such as CRP × Positive/Unscreened in the age ≤65 years group. Our results suggest that not only COVID-19 and inflammation have important effects on anxiety and depression but also the interactions of COVID-19 and inflammation have serious risks for anxiety and depression.
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Affiliation(s)
- Na Zhang
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, Key Laboratory of Environment and Genes Related to Diseases of Ministry of Education of China, Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xin Qi
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Hong Chang
- Shaanxi Provincial Institute for Endemic Disease Control, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Chun'e Li
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, Key Laboratory of Environment and Genes Related to Diseases of Ministry of Education of China, Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xiaoyue Qin
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, Key Laboratory of Environment and Genes Related to Diseases of Ministry of Education of China, Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Wenming Wei
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, Key Laboratory of Environment and Genes Related to Diseases of Ministry of Education of China, Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Qingqing Cai
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, Key Laboratory of Environment and Genes Related to Diseases of Ministry of Education of China, Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Dan He
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, Key Laboratory of Environment and Genes Related to Diseases of Ministry of Education of China, Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yijing Zhao
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, Key Laboratory of Environment and Genes Related to Diseases of Ministry of Education of China, Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Sirong Shi
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, Key Laboratory of Environment and Genes Related to Diseases of Ministry of Education of China, Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xiaoge Chu
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, Key Laboratory of Environment and Genes Related to Diseases of Ministry of Education of China, Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yan Wen
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, Key Laboratory of Environment and Genes Related to Diseases of Ministry of Education of China, Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yumeng Jia
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, Key Laboratory of Environment and Genes Related to Diseases of Ministry of Education of China, Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Feng Zhang
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, Key Laboratory of Environment and Genes Related to Diseases of Ministry of Education of China, Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
- Department of Psychiatry, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
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Abstract
BACKGROUND Blood platelets, due to shared biochemical and functional properties with presynaptic serotonergic neurons, constituted, over the years, an attractive peripheral biomarker of neuronal activity. Therefore, the literature strongly focused on the investigation of eventual structural and functional platelet abnormalities in neuropsychiatric disorders, particularly in depressive disorder. Given their impact in biological psychiatry, the goal of the present paper was to review and critically analyze studies exploring platelet activity, functionality, and morpho-structure in subjects with depressive disorder. METHODS According to the PRISMA guidelines, we performed a systematic review through the PubMed database up to March 2020 with the search terms: (1) platelets in depression [Title/Abstract]"; (2) "(platelets[Title]) AND depressive disorder[Title/Abstract]"; (3) "(Platelet[Title]) AND major depressive disorder[Title]"; (4) (platelets[Title]) AND depressed[Title]"; (5) (platelets[Title]) AND depressive episode[Title]"; (6) (platelets[Title]) AND major depression[Title]"; (7) platelet activation in depression[All fields]"; and (8) platelet reactivity in depression[All fields]." RESULTS After a detailed screening analysis and the application of specific selection criteria, we included in our review a total of 106 for qualitative synthesis. The studies were classified into various subparagraphs according to platelet characteristics analyzed: serotonergic system (5-HT2A receptors, SERT activity, and 5-HT content), adrenergic system, MAO activity, biomarkers of activation, responsivity, morphological changes, and other molecular pathways. CONCLUSIONS Despite the large amount of the literature examined, nonunivocal and, occasionally, conflicting results emerged. However, the findings on structural and metabolic alterations, modifications in the expression of specific proteins, changes in the aggregability, or in the responsivity to different pro-activating stimuli, may be suggestive of potential platelet dysfunctions in depressed subjects, which would result in a kind of hyperreactive state. This condition could potentially lead to an increased cardiovascular risk. In line with this hypothesis, we speculated that antidepressant treatments would seem to reduce this hyperreactivity while representing a potential tool for reducing cardiovascular risk in depressed patients and, maybe, in other neuropsychiatric conditions. However, the problem of the specificity of platelet biomarkers is still at issue and would deserve to be deepened in future studies.
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Allen JP, Loeb EL, Tan JS, Narr RK, Uchino BN. The body remembers: Adolescent conflict struggles predict adult interleukin-6 levels. Dev Psychopathol 2018; 30:1435-1445. [PMID: 29212559 PMCID: PMC5991989 DOI: 10.1017/s0954579417001754] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Struggles managing conflict and hostility in adolescent social relationships were examined as long-term predictors of immune-mediated inflammation in adulthood that has been linked to long-term health outcomes. Circulating levels of interleukin-6 (IL-6), a marker of immune system dysfunction when chronically elevated, were assessed at age 28 in a community sample of 127 individuals followed via multiple methods and reporters from ages 13 to 28. Adult serum IL-6 levels were predicted across periods as long as 15 years by adolescents' inability to defuse peer aggression and poor peer-rated conflict resolution skills, and by independently observed romantic partner hostility in late adolescence. Adult relationship difficulties also predicted higher IL-6 levels but did not mediate predictions from adolescent-era conflict struggles. Predictions were also not mediated by adult trait hostility or aggressive behavior, suggesting the unique role of struggles with conflict and hostility from others during adolescence. The implications for understanding the import of adolescent peer relationships for life span physical health outcomes are considered.
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Macht VA, Reagan LP. Chronic stress from adolescence to aging in the prefrontal cortex: A neuroimmune perspective. Front Neuroendocrinol 2018; 49:31-42. [PMID: 29258741 DOI: 10.1016/j.yfrne.2017.12.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 11/22/2017] [Accepted: 12/15/2017] [Indexed: 12/21/2022]
Abstract
The development of the organism is a critical variable which influences the magnitude, duration, and reversibility of the effects of chronic stress. Such factors are relevant to the prefrontal cortex (PFC), as this brain region is the last to mature, the first to decline, and is highly stress-sensitive. Therefore, this review will examine the intersection between the nervous system and immune system at glutamatergic synapses in the PFC across three developmental periods: adolescence, adulthood, and aging. Glutamatergic synapses are tightly juxtaposed with microglia and astrocytes, and each of these cell types exhibits their own developmental trajectory. Not only does chronic stress differentially impact each of these cell types across development, but chronic stress also alters intercellular communication within this quad-partite synapse. These observations suggest that developmental shifts in both neural and immune function across neurons, microglia, and astrocytes mediate shifting effects of chronic stress on glutamatergic transmission.
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Affiliation(s)
- Victoria A Macht
- University of South Carolina School of Medicine, Department of Pharmacology, Physiology, and Neuroscience, Columbia, SC, United States; University of South Carolina, Department of Psychology, Columbia, SC, United States.
| | - Lawrence P Reagan
- University of South Carolina School of Medicine, Department of Pharmacology, Physiology, and Neuroscience, Columbia, SC, United States; Wm. Jennings Bryan Dorn VA Medical Center, Columbia, SC, United States
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6
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Mileva GR, Rooke J, Ismail N, Bielajew C. Corticosterone and immune cytokine characterization following environmental manipulation in female WKY rats. Behav Brain Res 2017; 316:197-204. [DOI: 10.1016/j.bbr.2016.09.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 08/28/2016] [Accepted: 09/01/2016] [Indexed: 12/29/2022]
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7
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Interferon-α induces nitric oxide synthase expression and haem oxygenase-1 down-regulation in microglia: implications of cellular mechanism of IFN-α-induced depression. Int J Neuropsychopharmacol 2013; 16:433-44. [PMID: 22717332 DOI: 10.1017/s1461145712000338] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Substantiating evidence for the inflammation theory of depression is that interferon-alpha (IFN-α) induces clinical depression. Despite numerous researches on neurochemical and neuroendocrinological mechanisms from human and animal studies, the direct mechanisms of IFN-α at cellular levels are still lacking. In this study, we aimed to identify the cellular mechanisms for IFN-α-induced neuroinflammatory response with the murine BV-2 microglia cell line. IFN-α potently induced nitric oxide synthase (iNOS) and nitric oxide (NO) release and down-regulated haem oxygenase-1 (HO-1) expression, which could be dampened by Janus kinase 1 (JAK1) and c-Jun NH2-terminal kinase (JNK) inhibition, respectively. IFN-α activated JAK1, JNK, signal transducers and activators of transcription (STAT)1 and STAT3, but not extracellular signal-regulated kinases (ERK) and phosphoinositide 3 (PI3) kinase, signal pathways. The transfection with STAT1 and STAT3 siRNA also inhibited IFN-α-induced iNOS/NO expression and HO-1 down-regulation. The HO-1 activator, CoppIX, reversed iNOS/NO up-regulation and HO-1 down-regulation induced by IFN-α. On the other hand, a knockdown of HO-1 expression enhanced IFN-α-induced iNOS/NO expression. The effects of IFN-α-induced iNOS/NO up-regulation and HO-1 down-regulation in microglia are associated with JAK1/JNK/STAT1 and STAT3 signalling pathways. The different effects between IFN-α and IFN-γ on HO-1 regulation and ERK phosphorylation might provide a possible explanation of different risk in their induction of neuropsychiatric adverse effects in clinical and animal studies. The results from this study add the missing part of direct cellular mechanisms for IFN-α-induced depression.
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8
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Goodwin RD, Bandiera FC, Steinberg D, Ortega AN, Feldman JM. Asthma and mental health among youth: etiology, current knowledge and future directions. Expert Rev Respir Med 2013; 6:397-406. [PMID: 22971065 DOI: 10.1586/ers.12.34] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Asthma and mental health problems, such as depression, anxiety and behavior disorders, are common among youth and are significant sources of morbidity. There is a consistent association between asthma and anxiety/depression and a less consistent association between asthma and behavior disorders. Possible biological and psychological mechanisms may include inflammatory processes as well as the stress of having to live with a life-threatening condition. Future studies are warranted with longitudinal designs to establish temporality as well as measures of potential confounds. Biological and psychological measures would complement the longitudinal design to further establish causality. In addition, more information on the degree to which asthma and mental health have reciprocal influences on each other over time - and the mechanisms of these relationships - are needed in order to develop more effective intervention strategies to improve asthma control and mental health among those with both.
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Affiliation(s)
- Renee D Goodwin
- Department of Psychology, Queens College, City University of New York, Flushing, NY 11367, USA.
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Omrani MD, Bagheri M, Bushehri B, Azizi F, Anoshae MR. The association of TGF-β1 codon 10 polymorphism with suicide behavior. Am J Med Genet B Neuropsychiatr Genet 2012; 159B:772-5. [PMID: 22825972 DOI: 10.1002/ajmg.b.32082] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2011] [Accepted: 07/03/2012] [Indexed: 11/09/2022]
Abstract
Many risk factors have been identified for suicide behavior and although a role for cytokines has been suggested in specific psychiatric conditions and suicide behavior, this role is not well-defined. Since some polymorphisms can alter the expression of cytokines, in this study we attempted to assess the role of TGF-β1 codon 10 (T/C) polymorphisms (rs1982073) in suicide behavior. A total of 145 individuals with suicide behavior as well as 200 control participants (without any history of suicide behavior) were included in the study. TGF-β1 codon 10 polymorphism was determined using allele-specific oligonucleotide polymerase chain reaction. Our results demonstrated that the TGF-β1 codon 10 T/T genotype was significantly more prevalent in individuals with suicide behavior (41.7%), in comparison with the controls (27%). The findings of this study demonstrated an association between TGF-β1 (codon 10) T/C polymorphisms and suicide behavior.
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Affiliation(s)
- Mir Davood Omrani
- Faculty of Medicine, Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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10
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CD4+CD25+ regulatory T cell depletion modulates anxiety and depression-like behaviors in mice. PLoS One 2012; 7:e42054. [PMID: 22860054 PMCID: PMC3409145 DOI: 10.1371/journal.pone.0042054] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2011] [Accepted: 07/02/2012] [Indexed: 11/19/2022] Open
Abstract
Stress has been shown to suppress immune function and increase susceptibility to inflammatory disease and psychiatric disease. CD4(+)CD25(+) regulatory T (Treg) cells are prominent in immune regulation. This study was conducted to determine if anti-CD25 antibody (Ab) mediated depletion of Treg cells in mice susceptibility to stress-induced development of depression-like behaviors, as well as immunological and neurochemical activity. To accomplish this, an elevated plus-maze test (EPM), tail suspension test (TST), and forced swim test (FST) were used to examine depression-like behaviors upon chronic immobilization stress. Immune imbalance status was observed based on analysis of serum cytokines using a mouse cytometric bead array in conjunction with flow cytometry and changes in the levels of serotonin (5-HT) and dopamine (DA) in the brain were measured by high performance liquid chromatography (HPLC). The time spent in the open arms of the EPM decreased significantly and the immobility time in the FST increased significantly in the anti-CD25 Ab-treated group when compared with the non stressed wild-type group. In addition, interlukin-6 (IL-6), tumor necrosis factor-á (TNF-á), interlukin-2 (IL-2), interferon-gamma (IFN-γ), interlukin-4 (IL-4) and interlukin-17A (IL-17A) concentrations were significantly upregulated in the stressed anti-CD25 Ab-treated group when compared with the non stressed wild-type group. Furthermore, the non stressed anti-CD25 Ab-treated group displayed decreased 5-HT levels within the hippocampus when compared with the non stressed wild-type group. These results suggest that CD4(+)CD25(+) Treg cell depletion modulated alterations in depressive behavior, cytokine and monoaminergic activity. Therefore, controlling CD4(+)CD25(+) Treg cell function during stress may be a potent therapeutic strategy for the treatment of depression-like symptoms.
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Chronic isolation stress compromises JNK/c-Jun signaling in rat brain. J Neural Transm (Vienna) 2012; 119:1275-84. [PMID: 22358066 DOI: 10.1007/s00702-012-0776-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2011] [Accepted: 02/08/2012] [Indexed: 01/19/2023]
Abstract
The c-Jun NH2-terminal kinases (JNKs) are important stress-responsive kinases. They regulate cellular activities by sequential phosphorylation and activation through a mitogen-activated protein kinase cascade, whereas JNKs activation is altered in response to various stressors. In the present study, we used immunoblotting to assess the effect of 21 day of social isolation as the chronic stressor, either sole and in combination with 2 h of acute immobilization or cold (4°C) stress on circulating corticosterone level and phosphorylation status of p46 (phospho-p46/total p46) and p54 (phospho-p54/total p54) JNK isoforms in the cytosolic and nuclear fraction of the prefrontal cortex and hippocampus of male Wistar rats. Also, the phosphorylation status of JNK nuclear down-stream target c-Jun (p-c-Jun/c-Jun) on Ser63 was examined. Both acute stressors with elevated CORT levels led to increased phosphorylation status of cytosolic p54 JNK isoforms but not p46 JNK isoforms only in the hippocampus and no change in phosphorylation status of c-jun in both brain regions. Chronic isolation with unaltered CORT level and reduced responsiveness to novel acute stressors, led to unchanged or reduced phosphorylation status of p46 and p54 JNK isoforms in both fractions and both brain regions, whereas the decrease of c-Jun phosphorylation status was found only in the prefrontal cortex. Our results suggest that compromised JNKs activation following chronic isolation may lead to interruption of JNK signaling, which could be related with neuropsychiatric disorders such as depression or long-lasting neuronal remodeling.
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12
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Abstract
The rapid increase in the number of proposed animal models of depression reflects the dissatisfaction with our current state of knowledge on neurobiology of depression and unsuccessful drug development. Results obtained with even the best validated models can be difficult to compare. Because evidence from epidemiological studies suggests that depression occurs in biologically predisposed subjects under the impact of adverse life events, increasing attempts have been made to use the diathesis-stress concept in animal models. In this way, factors underpinning vulnerability to depression have been identified by measuring behavioural traits analogous to facets of human personality, or created by inducing neurochemical lesions. Stressful interventions administered prenatally, in early life or in adulthood have been combined with other vulnerability factors including genetic changes. As a result, several putative animal models of endophenotypes of depression or depression vulnerability have been proposed. Diathesis-stress models may aid in separating adaptive and maladaptive strategies in coping with stress, and understanding the relevant neurobiology. Studies comparing effects of stress on males and females should reveal to which extent the pathogenetic processes leading to depression can be specific to sex/gender.
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Affiliation(s)
- Jaanus Harro
- Unit of Psychophysiology, Department of Psychology, Estonian Centre of Behavioural and Health Sciences, University of Tartu, Estonia.
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Bah TM, Benderdour M, Kaloustian S, Karam R, Rousseau G, Godbout R. Escitalopram reduces circulating pro-inflammatory cytokines and improves depressive behavior without affecting sleep in a rat model of post-cardiac infarct depression. Behav Brain Res 2011; 225:243-51. [DOI: 10.1016/j.bbr.2011.07.039] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2011] [Revised: 07/21/2011] [Accepted: 07/22/2011] [Indexed: 10/17/2022]
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Kim SJ, Lee H, Joung HY, Lee G, Lee HJ, Shin MK, Kim SH, Shim I, Bae H. T-bet deficient mice exhibit resistance to stress-induced development of depression-like behaviors. J Neuroimmunol 2011; 240-241:45-51. [PMID: 22018704 DOI: 10.1016/j.jneuroim.2011.09.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2011] [Revised: 08/25/2011] [Accepted: 09/17/2011] [Indexed: 11/25/2022]
Abstract
T-bet, a Th1-specific T-box transcription factor, regulates Th1 development by inducing endogenous Th1 cytokines and IFN-γ. This study was conducted to determine if T-bet knockout mice exhibit resistance to stress-induced development of depression-like behaviors. The T-bet knockout mice significantly reduced depressive-like behaviors provoked by repeated restraint stress in an elevated plus-maze test (EPM), tail suspension test (TST), and forced swim test (FST). Moreover, stress-induced elevations of the pro-inflammatory cytokines were attenuated in T-bet deficient group. These results suggest that T-bet directly mediated stress-induced depression. Therefore, understanding T-bet function during stress represents an additional treatment strategy for depression.
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Affiliation(s)
- Soo-Jeong Kim
- Department of Physiology, College of Oriental Medicine, Kyung-Hee University, #1 Hoeki-Dong, Dongdaemoon-gu, Seoul, Republic of Korea
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Poole L, Dickens C, Steptoe A. The puzzle of depression and acute coronary syndrome: reviewing the role of acute inflammation. J Psychosom Res 2011; 71:61-8. [PMID: 21767684 PMCID: PMC3143279 DOI: 10.1016/j.jpsychores.2010.12.009] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2010] [Revised: 11/12/2010] [Accepted: 12/14/2010] [Indexed: 12/27/2022]
Abstract
The relationship between depression and coronary heart disease is well-established, but causal mechanisms are poorly understood. The aim of this review is to stimulate different ways of viewing the relationship between depression and adverse outcomes following acute coronary syndrome (ACS) and coronary artery bypass graft (CABG) surgery patients. We present an argument for depression in ACS and CABG patients being a qualitatively distinct form from that observed in psychiatric populations. This is based on three features: (1) depression developing after cardiac events has been linked in many studies to poorer outcomes than recurrent depression; (2) somatic symptoms of depression following cardiac events are particularly cardiotoxic; (3) depression following an ACS does not respond well to antidepressant treatments. We propose that inflammation is a common causal process responsible in part both for the development of depressive symptoms and for adverse cardiac outcomes, and we draw parallels with inflammation-induced sickness behaviour. Clinical implications of our observations are discussed along with suggestions for further work to advance the field.
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Affiliation(s)
- Lydia Poole
- Department of Epidemiology and Public Health, University College London, London, UK.
| | | | - Andrew Steptoe
- Department of Epidemiology and Public Health, University College London, London, UK
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Measures of Psychological Stress and Physical Health in Family Caregivers of Stroke Survivors. J Neurosci Nurs 2010; 42:128-38. [DOI: 10.1097/jnn.0b013e3181d4a3ee] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Di Marco F, Verga M, Santus P, Giovannelli F, Busatto P, Neri M, Girbino G, Bonini S, Centanni S. Close correlation between anxiety, depression, and asthma control. Respir Med 2009; 104:22-8. [PMID: 19733042 DOI: 10.1016/j.rmed.2009.08.005] [Citation(s) in RCA: 115] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2009] [Revised: 07/31/2009] [Accepted: 08/13/2009] [Indexed: 10/20/2022]
Abstract
BACKGROUND We investigated the correlation between patients' characteristics, including anxiety and depression, and the level of asthma control evaluated by asthma control test (ACT), a self-administered validated questionnaire. METHODS This is a cross-sectional study on asthmatic outpatients of three Italian hospitals. Demographic data, spirometry, anxiety and depression scores as well as the level of asthma control from 315 patients were collected. RESULTS Patients with poorly controlled asthma were more frequently women, older, with a worse pulmonary function, obese, more anxious and/or more depressed. Four different independent factors associated with poor asthma control evaluated by ACT have been found: FEV(1)<60% (odds ratio, OR: 6.52), anxiety (OR: 3.76), age > or =65 years (OR: 2.69), and depression (OR: 2.45). The presence of anxiety and depression was associated with a higher healthcare utilization. Finally, we found a high level of agreement between ACT and multidimensional GINA approach in evaluating asthma control, with a concordance in 239 patients (81% of the population). CONCLUSION There is a close correlation between anxiety and depression, and a poor asthma. A better understanding of this association may have major clinical implications, mainly in patients with poor controlled asthma in whom the presence of anxiety and depression should be investigated.
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Affiliation(s)
- Fabiano Di Marco
- Clinica di Malattie dell'Apparato Respiratorio, Ospedale San Paolo, Università degli Studi di Milano, Milano, Italy.
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18
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Brydon L, Walker C, Wawrzyniak A, Whitehead D, Okamura H, Yajima J, Tsuda A, Steptoe A. Synergistic effects of psychological and immune stressors on inflammatory cytokine and sickness responses in humans. Brain Behav Immun 2009; 23:217-24. [PMID: 18835437 PMCID: PMC2637301 DOI: 10.1016/j.bbi.2008.09.007] [Citation(s) in RCA: 113] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2008] [Revised: 09/15/2008] [Accepted: 09/15/2008] [Indexed: 11/29/2022] Open
Abstract
Activation of the innate immune system is commonly accompanied by a set of behavioural, psychological and physiological changes known as 'sickness behaviour'. In animals, infection-related sickness symptoms are significantly increased by exposure to psychosocial stress, suggesting that psychological and immune stressors may operate through similar pathways to induce sickness. We used a double-blind, randomised, placebo-controlled design to examine the effect of acute psychological stress on immune and subjective mood responses to typhoid vaccination in 59 men. Volunteers were assigned to one of four experimental conditions in which they were either injected with typhoid vaccine or saline placebo, and then either rested or completed two challenging behavioural tasks. Typhoid vaccine induced a significant rise in participants' serum levels of interleukin-6 (IL-6) and this response was significantly larger in the stress versus rest conditions. Negative mood increased immediately post-tasks, an effect also more pronounced in the vaccine/stress condition. In the vaccine/stress group, participants with larger IL-6 responses had heightened systolic blood pressure responses to tasks and elevated post-stress salivary levels of the noradrenaline metabolite 3-methoxy-phenyl glycol (MHPG) and cortisol. Our findings suggest that, as seen in animals, psychological and immune stressors may act synergistically to promote inflammation and sickness behaviour in humans.
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Affiliation(s)
- Lena Brydon
- Psychobiology Group, Department of Epidemiology and Public Health, University College London, 1-19 Torrington Place, London WC1E 6BT, UK.
| | - Cicely Walker
- Psychobiology Group, Department of Epidemiology and Public Health, University College London, 1-19 Torrington Place, London WC1E 6BT, UK
| | - Andrew Wawrzyniak
- Psychobiology Group, Department of Epidemiology and Public Health, University College London, 1-19 Torrington Place, London WC1E 6BT, UK
| | - Daisy Whitehead
- Psychobiology Group, Department of Epidemiology and Public Health, University College London, 1-19 Torrington Place, London WC1E 6BT, UK
| | - Hisayoshi Okamura
- Cognitive and Molecular Research Institute of Brain Diseases, Kurume University, 67 Asahi-machi, Kurume, Fukuoka 830-0011, Japan
| | - Jumpei Yajima
- Cognitive and Molecular Research Institute of Brain Diseases, Kurume University, 67 Asahi-machi, Kurume, Fukuoka 830-0011, Japan
| | - Akira Tsuda
- Department of Psychology, Kurume University, B1635 Mii-machi, Kurume, Fukuoka 839-8502, Japan
| | - Andrew Steptoe
- Psychobiology Group, Department of Epidemiology and Public Health, University College London, 1-19 Torrington Place, London WC1E 6BT, UK
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19
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Li D, Liu L, Odouli R. Presence of depressive symptoms during early pregnancy and the risk of preterm delivery: a prospective cohort study. Hum Reprod 2008; 24:146-53. [PMID: 18948314 DOI: 10.1093/humrep/den342] [Citation(s) in RCA: 165] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The impact of prenatal depression on pregnancy outcomes is largely unknown. METHODS We conducted a population-based prospective cohort study among pregnant women of the Kaiser Permanente Medical Care Program to examine the impact of prenatal depression on the risk of preterm delivery. We interviewed pregnant women in their early pregnancy. Women's depressive symptoms were ascertained using the standard Center for Epidemiological Studies Depression Scale (CESD). The presence of significant prenatal depressive symptoms and severe depressive symptoms was determined by CESD scores > or =16 and > or =22, respectively. RESULTS Among the 791 participants who answered CESD questions and delivered a live birth, after controlling for potential confounders using the Cox proportional hazard regression, women with CESD scores > or =16 had almost twice the risk of preterm delivery compared with women without depressive symptoms: adjusted hazard ratio (aHR) = 1.9, 95% confidence interval (CI) 1.0-3.7. The risk of preterm delivery increased with increasing severity of depression: aHR = 1.6 (CI 0.7-3.6) for CESD 16-21 and aHR = 2.2 (CI 1.1-4.7) for CESD > or =22. The risk of preterm delivery associated with prenatal depression appears to be exacerbated by low educational level, a history of fertility problems and the presence of obesity and stressful events. The observed associations were not confounded by the use of antidepressants, although some of the associations did not reach statistical significance. CONCLUSIONS Our findings show that pregnant women with depressive symptoms are at increased risk of preterm delivery and, in addition, provide preliminary evidence that social and reproductive risk factors as well as obesity and stressful events may exacerbate the effect.
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Affiliation(s)
- D Li
- Division of Research, Kaiser Foundation Research Institute, Kaiser Permanente, 2000 Broadway, Oakland, CA 94612, USA.
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20
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Anisman H, Merali Z, Stead JDH. Experiential and genetic contributions to depressive- and anxiety-like disorders: clinical and experimental studies. Neurosci Biobehav Rev 2008; 32:1185-206. [PMID: 18423590 DOI: 10.1016/j.neubiorev.2008.03.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2007] [Revised: 12/31/2007] [Accepted: 02/23/2008] [Indexed: 10/22/2022]
Abstract
Stressful events have been implicated in the precipitation of depression and anxiety. These disorders may evolve owing to one or more of an array of neuronal changes that occur in several brain regions. It seems likely that these stressor-provoked neurochemical alterations are moderated by genetic determinants, as well as by a constellation of experiential and environmental factors. Indeed, animal studies have shown that vulnerability to depressive-like behaviors involve mechanisms similar to those associated with human depression (e.g., altered serotonin, corticotropin releasing hormone and their receptors, growth factors), and that the effects of stressors are influenced by previous stressor experiences, particularly those encountered early in life. These stressor effects might reflect sensitization of neuronal functioning, phenotypic changes of processes that lead to neurochemical release or receptor sensitivity, or epigenetic processes that modify expression of specific genes associated with stressor reactivity. It is suggested that depression is a life-long disorder, which even after effective treatment, has a high rate of re-occurrence owing to sensitized processes or epigenetic factors that promote persistent alterations of gene expression.
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Affiliation(s)
- Hymie Anisman
- Institute of Neuroscience, Carleton University, Ottawa, Ontario K1S 5B6, Canada.
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21
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Li R, Wang JJ, Wu X, Guo J, Wang MM, Wang X, Xie J, He XJ. Effect of BxPC-3-conditioned medium on the metabolism of DA and NE in PC12 cell line and its mechanism of action. Shijie Huaren Xiaohua Zazhi 2008; 16:484-487. [DOI: 10.11569/wcjd.v16.i5.484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To study the effect of BxPC-3-conditioned medium on the metabolism of DA and NE in PC12 cells and its mechanism of action.
METHODS: PC12 cells were treated with BxPC-3-conditioned medium without IL-6. The rate of apoptosis of PC12 cells was detected by flow cytometry. DA, 5-HT and NE in the medium were measured by HPLC. IL-6 (0.01 mg/L, 0.1 mg/L, 0.25 mg/L, 0.5 mg/L, 1 mg/L, 1.5 mg/L, 2 mg/L) was added into the medium deprived of serum, then the DA, 5-HT and NE in the medium were measured.
RESULTS: There was no significant difference in the rate of apoptosis of PC12 cells in each group. After anti-IL-6 was added into the conditioned medium, the quantity of DA and NE in the medium was increased. The concentration of IL-6 was increased. DA and NE were metabolized in a dose-dependent manner. Addition of 1mg/L IL-6 significantly decreased DA and NE.
CONCLUSION: BxPC-3-conditioned medium has certain effects on the metabolism of DA and NE of PC12 cells by adding IL-6.
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22
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From inflammation to sickness and depression: when the immune system subjugates the brain. Nat Rev Neurosci 2008; 9:46-56. [PMID: 18073775 DOI: 10.1038/nrn2297] [Citation(s) in RCA: 4770] [Impact Index Per Article: 298.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
In response to a peripheral infection, innate immune cells produce pro-inflammatory cytokines that act on the brain to cause sickness behaviour. When activation of the peripheral immune system continues unabated, such as during systemic infections, cancer or autoimmune diseases, the ensuing immune signalling to the brain can lead to an exacerbation of sickness and the development of symptoms of depression in vulnerable individuals. These phenomena might account for the increased prevalence of clinical depression in physically ill people. Inflammation is therefore an important biological event that might increase the risk of major depressive episodes, much like the more traditional psychosocial factors.
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Jans LAW, Riedel WJ, Markus CR, Blokland A. Serotonergic vulnerability and depression: assumptions, experimental evidence and implications. Mol Psychiatry 2007; 12:522-43. [PMID: 17160067 DOI: 10.1038/sj.mp.4001920] [Citation(s) in RCA: 277] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In recent years, the term serotonergic vulnerability (SV) has been used in scientific literature, but so far it has not been explicitly defined. This review article attempts to elucidate the SV concept. SV can be defined as increased sensitivity to natural or experimental alterations of the serotonergic (5-HTergic) system. Several factors that may disrupt the 5-HTergic system and hence contribute to SV are discussed, including genetic factors, female gender, personality characteristics, several types of stress and drug use. It is explained that SV can be demonstrated by means of manipulations of the 5-HTergic system, such as 5-HT challenges or acute tryptophan depletion (ATD). Results of 5-HT challenge studies and ATD studies are discussed in terms of their implications for the concept of SV. A model is proposed in which a combination of various factors that may compromise 5-HT functioning in one person can result in depression or other 5-HT-related pathology. By manipulating 5-HT levels, in particular with ATD, vulnerable subjects may be identified before pathology initiates, providing the opportunity to take preventive action. Although it is not likely that this model applies to all cases of depression, or is able to identify all vulnerable subjects, the strength of the model is that it may enable identification of vulnerable subjects before the 5-HT related pathology occurs.
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Affiliation(s)
- L A W Jans
- Faculty of Psychology, Department of Neurocognition, Maastricht University, Maastricht, The Netherlands.
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Yang K, Xie G, Zhang Z, Wang C, Li W, Zhou W, Tang Y. Levels of serum interleukin (IL)-6, IL-1beta, tumour necrosis factor-alpha and leptin and their correlation in depression. Aust N Z J Psychiatry 2007; 41:266-73. [PMID: 17464708 DOI: 10.1080/00048670601057759] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
OBJECTIVE To investigate the relationship between leptin and cytokines in depressed patients. METHODS Thirty-three unmedicated patients (24 female, nine male) with depressive disorder and 23 healthy controls (16 female, seven male) were assessed for serum levels of interleukin (IL)-6, IL-1beta, tumour necrosis factor-alpha (TNF-alpha) and leptin. RESULTS Levels of IL-6 and TNF-alpha in depressed patients were higher than in normal controls. There were significantly lower leptin levels in depressed patients than in normal controls. There were also significant differences in the leptin levels, being higher in female than in male patients, and in female than in male controls. CONCLUSIONS IL-6 and TNF-alpha cytokines and leptin are important in the psychoimmunology of depressed patients. There were gender differences in leptin levels in depression.
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Affiliation(s)
- Kun Yang
- Mental Health Institute of the 2nd Xiangya Hospital, Central Southern University, Changsha, China
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25
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Franco-Pons N, Torrente M, Colomina MT, Vilella E. Behavioral deficits in the cuprizone-induced murine model of demyelination/remyelination. Toxicol Lett 2007; 169:205-13. [PMID: 17317045 DOI: 10.1016/j.toxlet.2007.01.010] [Citation(s) in RCA: 154] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2006] [Revised: 01/17/2007] [Accepted: 01/18/2007] [Indexed: 01/18/2023]
Abstract
The neurotoxicant cuprizone has been used extensively to create a mouse model of demyelination. However, the effects on behavior of cuprizone treatment have not been previously reported. We have analyzed the behavioral changes of mice given a diet containing 0.2% cuprizone for 6 weeks followed by 6 weeks of recovery. Behavior was assessed using a range of tests: the functional observation battery, the open-field test and the rota-rod test. Concurrent with the start of demyelination, at 3 and 4 weeks of 0.2% cuprizone treatment, the animals exhibited an increase in central nervous system activity and an inhibited anxiogenic response to the novelty challenge test. At 5 weeks of treatment (the period of maximal demyelination) equilibrium was altered and sensorimotor reactivity was also affected. Further, rota-rod analysis demonstrated that the treated group had poorer motor co-ordination than control animals. This effect was not reversed 6 weeks after cuprizone withdrawal. The animals in the recovery period also exhibited difficulties in the rota-rod progressive learning task. Our results indicate that behavioral deficits follow the course of demyelination-remyelination induced by administration of 0.2% cuprizone, and that some of the changes persist even after 6 weeks on normal diet.
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Affiliation(s)
- Neus Franco-Pons
- Unitat de Psiquiatria i Psicologia Mèdica, Facultat de Medicina i Ciències de la Salut, Universitat Rovira i Virgili, C/Sant Llorenç 21, 43201 Reus, Spain
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26
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Lavoie KL, Bacon SL, Barone S, Cartier A, Ditto B, Labrecque M. What is worse for asthma control and quality of life: depressive disorders, anxiety disorders, or both? Chest 2006; 130:1039-47. [PMID: 17035436 DOI: 10.1378/chest.130.4.1039] [Citation(s) in RCA: 164] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND The high burden of asthma appears to be related to poor asthma control. Although previous studies have reported associations between depressive disorders (DDs) and anxiety disorders (ADs) and worse asthma control and quality of life, the relative impact of these disorders on asthma control and quality of life has not been explored. This study evaluated the relative impact of having a DD and/or AD on asthma control and quality of life. METHOD Five hundred four consecutive adults with confirmed, physician-diagnosed asthma underwent a brief, structured psychiatric interview using the Primary Care Evaluation of Mental Disorders. Asthma control and asthma-related quality of life were assessed using the Asthma Control Questionnaire (ACQ) and the Asthma Quality of Life Questionnaire (AQLQ). All patients underwent standard spirometry. RESULTS Thirty-one percent of patients (n = 157) met the diagnostic criteria for one or more psychiatric disorders (8% had DD only, 12% had AD only, and 11% had both). Analyses revealed independent effects for DDs on total ACQ scores (p < 0.01), and for DDs and ADs on total AQLQ scores and all four AQLQ subscales (p < 0.05). There were no interaction effects. CONCLUSIONS Results suggest that DDs and ADs are associated with worse asthma-related quality of life, but only DDs are associated with worse asthma control. Interestingly, having both a DD and an AD did not confer additional risk for worse asthma control or quality of life. Physicians may want to consider the differential impact of negative mood states when assessing levels of asthma control and quality of life.
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Affiliation(s)
- Kim L Lavoie
- Research Center, Division of Chest Medicine, J-3190, 5400 Gouin West, Montreal, QC, H4J 1C5, Canada.
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