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Tsuboi H, Sakakibara H, Minamida-Urata Y, Tsujiguchi H, Hara A, Suzuki K, Miyagi S, Nakamura M, Takazawa C, Kannon T, Zhao J, Shimizu Y, Shibata A, Ogawa A, Suzuki F, Kambayashi Y, Konoshita T, Tajima A, Nakamura H. Serum TNFα and IL-17A levels may predict increased depressive symptoms: findings from the Shika Study cohort project in Japan. Biopsychosoc Med 2024; 18:20. [PMID: 39358787 PMCID: PMC11446020 DOI: 10.1186/s13030-024-00317-5] [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: 05/10/2024] [Accepted: 09/25/2024] [Indexed: 10/04/2024] Open
Abstract
BACKGROUND Low-grade systemic inflammation may be a key player in the immune activation that has been reported for mental health deterioration. We hypothesised that elevated serum levels of inflammatory cytokines increase neuroinflammation and exacerbate depressive symptoms. METHODS The participants were part of a cohort study for whom data was available for both 2015 and 2019. In 2015, blood samples were collected from 232 participants. Their depressive symptoms were assessed both 2015 and 2019 using the Centre for Epidemiologic Studies Depression Scale (CES-D) (n = 33). The multiplex immunoassay system (Luminex® 200) was used to measure the serum concentrations of IL-6, IL-10, IL-12, IL-17A and TNFα. Data were analysed using linear models with the level of significance considered to be p < 0.05. RESULTS After controlling for age, BMI, smoking and alcohol consumption, in 2015 the serum concentrations of IL-17A and TNFα in 2015 were significantly positively associated with the CES-D scores of women (standardised β (B) = .027, p < 0.01 and B = 0.26, p < 0.01, respectively). The serum concentrations of IL-17A and TNFα of men were significantly positively associated with the CES-D scores of 2019 (B = 0.62, p = 0.02 and B = 0.59, p = 0.02, respectively). CONCLUSIONS In this cross-sectional study, we found a significant positive correlation between the depressive symptoms and serum TNFα and IL-17A levels of women. In addition, our longitudinal findings suggest the possibility that TNFα and IL-17A could elevate the depressive symptoms of men.
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Affiliation(s)
- Hirohito Tsuboi
- Graduate School of Human Sciences, The University of Shiga Prefecture, 2500 Hassaka-Cho, Hikone, 522-8533, Japan.
- Research Group of Psychosomatic Medicine, Faculty of Pharmacy, Pharmaceutical and Health Sciences, Kanazawa University, 1 Kakuma-Machi, Kanazawa, 920-1192, Japan.
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8641, Japan.
| | - Hiroyuki Sakakibara
- Graduate School of Agricultural Science, Kobe University, 1-1 Rokkodai, Nada-ku, Kobe, 657-8501, Japan
| | - Yuuki Minamida-Urata
- Research Group of Psychosomatic Medicine, Faculty of Pharmacy, Pharmaceutical and Health Sciences, Kanazawa University, 1 Kakuma-Machi, Kanazawa, 920-1192, Japan
| | - Hiromasa Tsujiguchi
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8641, Japan
| | - Akinori Hara
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8641, Japan
| | - Keita Suzuki
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8641, Japan
| | - Sakae Miyagi
- Innovative Clinical Research Center, Kanazawa University, 13-1 Takara-Machi, Kanazawa, Japan
| | - Masaharu Nakamura
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8641, Japan
| | - Chie Takazawa
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8641, Japan
| | - Takayuki Kannon
- Department of Biomedical Data Science, School of Medicine, Fujita Health University, 1-98 Dengakugakubo, Kutsukake-Cho, Toyoake, 470-1192, Japan
| | - Jiaye Zhao
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8641, Japan
| | - Yukari Shimizu
- Department of Nursing, Faculty of Health Sciences, Komatsu University, 10-10 Doihara-Machi, Komatsu, 923-0921, Japan
| | - Aki Shibata
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8641, Japan
| | - Aya Ogawa
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8641, Japan
| | - Fumihiko Suzuki
- Department of Geriatric Dentistry, Ohu University School of Dentistry, 31-1 Misumido, Koriyama, 963-8611, Japan
| | - Yasuhiro Kambayashi
- Department of Public Health, Faculty of Veterinary Medicine, Okayama University of Science, 1-3 Ikoinooka, Imabari, 794-8555, Japan
| | - Tadashi Konoshita
- Division of Diabetes Endocrinology and Metabolism, Yachiyo Medical Center, Tokyo Women's Medical University, 477-96 Owada-Shinden, Yachiyo, Japan
| | - Atsushi Tajima
- Department of Bioinformatics and Genomics, Graduate School of Advanced Preventive Medical Sciences, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640, Japan
| | - Hiroyuki Nakamura
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8641, Japan
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Chelucci E, Daniele S, Vergassola M, Ceccarelli L, Zucchi S, Boltri L, Martini C. Trazodone counteracts the response of microglial cells to inflammatory stimuli. Eur J Neurosci 2024; 60:5605-5620. [PMID: 39187397 DOI: 10.1111/ejn.16522] [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: 12/20/2023] [Revised: 07/29/2024] [Accepted: 08/13/2024] [Indexed: 08/28/2024]
Abstract
Microglia are resident brain cells that regulate neuronal development and innate immunity. Microglia activation participates in the cellular response to neuroinflammation, thus representing a possible target for pharmacological strategies aimed to counteract the onset and progression of brain disorders, including depression. Antidepressant drugs have been reported to reduce neuroinflammation by acting also on glial cells. Herein, the potential anti-inflammatory and neuroprotective effects of trazodone (TRZ) on the microglial human microglial clone 3 (HMC3) cell line were investigated. HMC3 cells were activated by a double inflammatory stimulus (lipopolysaccharide [LPS] and tumour necrosis factor-alpha [TNF-α], 24 h each), and the induction of inflammation was demonstrated by (i) the increased expression levels of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-kB) and ionized calcium-binding adapter molecule 1 (IBA-1), and (ii) the increased release of interleukin 6 (IL-6) and transforming growth factor-beta (TGF-β). TRZ effects were evaluated by treating HMC3 cells for 24 h before (pre-treatment) and after (post-treatment) the double inflammatory stimulus. Notably, TRZ treatments significantly decreased the expression of NF-kB and IBA-1 and the release of the cytokines IL-6 and TGF-β. Moreover, TRZ prevented and reduced the release of quinolinic acid (QUIN), a known neurotoxic kynurenine metabolite. Finally, cellular supernatants collected from microglial cells pre-treated LPS-TNF-α with TRZ were able to improve neuronal-like cell viability, demonstrating a potential neuroprotective effect. Overall, this study suggests the anti-inflammatory effects of TRZ on human microglia and strives for its neuroprotective properties.
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Affiliation(s)
| | | | - Matteo Vergassola
- Angelini Pharma S.p.A. Global External Innovation & Drug Discovery, Translational Research Department, Rome, Italy
| | | | - Sara Zucchi
- Angelini Pharma S.p.A. Global R&D PLCM Preclinical Development, Ancona, Italy
| | - Luigi Boltri
- Angelini Pharma S.p.A. Global R&D PLCM Preclinical Development, Ancona, Italy
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Abdullah A, Kumar A, Beg AZ, Chawla A, Kar S, Ganguly S, Khan AU. Peripherally-restricted recurrent infection by engineered E. coli strain modulates hippocampal proteome promoting memory impairments in a rat model. Gene 2024; 933:148969. [PMID: 39341518 DOI: 10.1016/j.gene.2024.148969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 09/22/2024] [Accepted: 09/24/2024] [Indexed: 10/01/2024]
Abstract
Commensal bacteria that breach endothelial barrier has been reported to induce low grade chronic inflammation producing disease symptoms in major peripheral tissues. In this study, we investigated the role of genetically modified cellular invasive form of commensal E. coli K12 (SK3842) in cognitive impairment. Low-grade systemic infection model was developed using recurring peripheral inoculation of live bacteria in Wistar rats. To examine memory parameters, Novel object recognition test and Radial arm maze test were performed. Differential protein expression profiling of rat hippocampus was carried out using LC-MS/MS and subsequently quantified using SWATH. HBA1/2, NEFH, PFN1 and ATP5d were chosen for validation using quantitative RT-PCR. Results showed drastic decline in Recognition memory of the SK3842 infected rats. Reference and Working Memory of the infected group were also significantly reduced in comparison to control group. Proteome analysis using LC-MS/MS coupled with SWATH revealed differential expression of key proteins that are crucial for the maintenance of various neurological functions. Moreover, expression of NEFH and PFN1transcripts were found to be in line with the proteomics data. Protein interaction network of these validated proteins generated by STRING database converged to RhoA protein. Thus, the present study establishes an association between peripheral infection of a hippocampal protein network dysregulation and overall memory decline.
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Affiliation(s)
- Anam Abdullah
- Neurobiology and Drug Discovery Laboratory, Department of Molecular Medicine, School of Interdisciplinary Sciences and Technology, Jamia Hamdard, New Delhi 110062, India
| | - Anuranjani Kumar
- Neurobiology and Drug Discovery Laboratory, Department of Molecular Medicine, School of Interdisciplinary Sciences and Technology, Jamia Hamdard, New Delhi 110062, India
| | - Ayesha Zainab Beg
- Antimicrobial Resistance Laboratory, Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh 202002, India
| | - Anupam Chawla
- Neurobiology and Drug Discovery Laboratory, Department of Molecular Medicine, School of Interdisciplinary Sciences and Technology, Jamia Hamdard, New Delhi 110062, India
| | - Sudeshna Kar
- Oncology and Neuroscience Research Laboratory, Artemis Hospital, Sector 51, Gurgaon, Haryana 122001,India
| | - Surajit Ganguly
- Neurobiology and Drug Discovery Laboratory, Department of Molecular Medicine, School of Interdisciplinary Sciences and Technology, Jamia Hamdard, New Delhi 110062, India.
| | - Asad U Khan
- Antimicrobial Resistance Laboratory, Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh 202002, India.
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Yuan JP, Jaeger EL, Coury SM, Uy JP, Buthmann JL, Ho TC, Gotlib IH. Socioeconomic Disadvantage Moderates the Association of Systemic Inflammation With Amygdala Volume in Adolescents Over a 2-Year Interval: An Exploratory Study. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2024; 9:896-904. [PMID: 38815859 PMCID: PMC11381175 DOI: 10.1016/j.bpsc.2024.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 05/03/2024] [Accepted: 05/09/2024] [Indexed: 06/01/2024]
Abstract
BACKGROUND Research has demonstrated an association between elevated systemic inflammation and changes in brain function. Affective areas of the brain involved in processing threat (e.g., amygdala) and reward (e.g., nucleus accumbens) appear to be sensitive to inflammation. Early-life stress, such as experiencing low socioeconomic status (SES), may also potentiate this association, but relevant evidence has come primarily from cross-sectional studies of brain function. It is unclear whether similar associations are present between early-life stress, inflammation, and brain structure, particularly in typically developing populations. METHODS We recruited and assessed 50 adolescents (31 females/19 males) from the community (mean [SD] age = 15.5 [1.1] years, range = 13.1-17.5 years) and examined in exploratory analyses whether changes in C-reactive protein (ΔCRP) from blood spots predict changes in gray matter volume (ΔGMV) in the bilateral amygdala and nucleus accumbens over a 2-year period. We also investigated whether experiencing early-life stress, operationalized using a comprehensive composite score of SES disadvantage at the family and neighborhood levels, significantly moderated the association between ΔCRP and ΔGMV. RESULTS We found that ΔCRP was negatively associated with Δamygdala GMV (i.e., increasing CRP levels were associated with decreasing amygdala volume; β = -0.84, p = .012). This effect was stronger in youths who experienced greater SES disadvantage (β = -0.56, p = .025). CONCLUSIONS These findings suggest that increases in systemic inflammation are associated with reductions in amygdala GMV in adolescents, potentially signaling accelerated maturation, and that these neuroimmune processes are compounded in adolescents who experienced greater SES disadvantage. Our findings are consistent with theoretical frameworks of neuroimmune associations and suggest that they may influence adolescent neurodevelopment.
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Affiliation(s)
- Justin P Yuan
- Department of Psychology, Stanford University, Stanford, California.
| | - Emma L Jaeger
- Department of Psychology, Stanford University, Stanford, California
| | - Saché M Coury
- Department of Psychology, Stanford University, Stanford, California; Department of Psychology, University of California, Los Angeles, Los Angeles, California
| | - Jessica P Uy
- Department of Psychology, Stanford University, Stanford, California
| | | | - Tiffany C Ho
- Department of Psychology, University of California, Los Angeles, Los Angeles, California
| | - Ian H Gotlib
- Department of Psychology, Stanford University, Stanford, California
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Churchill NW, Roudaia E, Chen JJ, Sekuler A, Gao F, Masellis M, Lam B, Cheng I, Heyn C, Black SE, MacIntosh BJ, Graham SJ, Schweizer TA. Effects of post-acute COVID-19 syndrome on cerebral white matter and emotional health among non-hospitalized individuals. Front Neurol 2024; 15:1432450. [PMID: 39165270 PMCID: PMC11333225 DOI: 10.3389/fneur.2024.1432450] [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: 05/14/2024] [Accepted: 07/22/2024] [Indexed: 08/22/2024] Open
Abstract
Introduction Post-acute COVID syndrome (PACS) is a growing concern, given its impact on mental health and quality of life. However, its effects on cerebral white matter remain poorly understood, particularly in non-hospitalized cohorts. The goals of this cross-sectional, observational study were to examine (1) whether PACS was associated with distinct alterations in white matter microstructure, compared to symptom-matched non-COVID viral infection; and (2) whether microstructural alterations correlated with indices of post-COVID emotional health. Methods Data were collected for 54 symptomatic individuals who tested positive for COVID-19 (mean age 41 ± 12 yrs., 36 female) and 14 controls who tested negative for COVID-19 (mean age 41 ± 14 yrs., 8 female), with both groups assessed an average of 4-5 months after COVID testing. Diffusion magnetic resonance imaging data were collected, and emotional health was assessed via the NIH emotion toolbox, with summary scores indexing social satisfaction, well-being and negative affect. Results Despite similar symptoms, the COVID-19 group had reduced mean and axial diffusivity, along with increased mean kurtosis and neurite dispersion, in deep white matter. After adjusting for social satisfaction, higher levels of negative affect in the COVID-19 group were also correlated with increased mean kurtosis and reduced free water in white matter. Discussion These results provide preliminary evidence that indices of white matter microstructure distinguish PACS from symptomatic non-COVID infection. Moreover, white matter effects seen in PACS correlate with the severity of emotional sequelae, providing novel insights into this highly prevalent disorder.
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Affiliation(s)
- Nathan W. Churchill
- Brain Health and Wellness Research Program, St. Michael’s Hospital, Unity Health Toronto, Toronto, ON, Canada
- Keenan Research Centre for Biomedical Science of St. Michael’s Hospital, Unity Health Toronto, Toronto, ON, Canada
- Physics Department, Toronto Metropolitan University, Toronto, ON, Canada
| | - Eugenie Roudaia
- Rotman Research Institute, Baycrest Academy for Research and Education, Toronto, ON, Canada
| | - J. Jean Chen
- Rotman Research Institute, Baycrest Academy for Research and Education, Toronto, ON, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
| | - Allison Sekuler
- Rotman Research Institute, Baycrest Academy for Research and Education, Toronto, ON, Canada
- Department of Psychology, University of Toronto, Toronto, ON, Canada
- Department of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, ON, Canada
| | - Fuqiang Gao
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON, Canada
| | - Mario Masellis
- Rotman Research Institute, Baycrest Academy for Research and Education, Toronto, ON, Canada
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON, Canada
- Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
| | - Benjamin Lam
- Rotman Research Institute, Baycrest Academy for Research and Education, Toronto, ON, Canada
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON, Canada
- Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
| | - Ivy Cheng
- Evaluative Clinical Sciences, Sunnybrook Research Institute, Toronto, ON, Canada
- Integrated Community Program, Sunnybrook Research Institute, Toronto, ON, Canada
- Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Chris Heyn
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON, Canada
- Department of Medical Imaging, University of Toronto, Toronto, ON, Canada
| | - Sandra E. Black
- Rotman Research Institute, Baycrest Academy for Research and Education, Toronto, ON, Canada
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON, Canada
- Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
| | - Bradley J. MacIntosh
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON, Canada
- Physical Sciences Platform, Sunnybrook Research Institute, Toronto, ON, Canada
- Computational Radiology and Artificial Intelligence Unit, Division of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
| | - Simon J. Graham
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON, Canada
- Physical Sciences Platform, Sunnybrook Research Institute, Toronto, ON, Canada
| | - Tom A. Schweizer
- Brain Health and Wellness Research Program, St. Michael’s Hospital, Unity Health Toronto, Toronto, ON, Canada
- Keenan Research Centre for Biomedical Science of St. Michael’s Hospital, Unity Health Toronto, Toronto, ON, Canada
- Faculty of Medicine (Neurosurgery), University of Toronto, Toronto, ON, Canada
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Keck J, Honekamp C, Gebhardt K, Nolte S, Linka M, de Haas B, Munzert J, Krüger K, Krüger B. Exercise-induced inflammation alters the perception and visual exploration of emotional interactions. Brain Behav Immun Health 2024; 39:100806. [PMID: 38974339 PMCID: PMC11225855 DOI: 10.1016/j.bbih.2024.100806] [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: 11/09/2023] [Revised: 05/08/2024] [Accepted: 06/10/2024] [Indexed: 07/09/2024] Open
Abstract
Introduction The study aimed to investigate whether an exercise-induced pro-inflammatory response alters the perception as well as visual exploration of emotional body language in social interactions. Methods In a within-subject design, 19 male, healthy adults aged between 19 and 33 years performed a downhill run for 45 min at 70% of their VO2max on a treadmill to induce maximal myokine blood elevations, leading to a pro-inflammatory status. Two control conditions were selected: a control run with no decline and a rest condition without physical exercise. Blood samples were taken before (T0), directly after (T1), 3 h after (T3), and 24 h after (T24) each exercise for analyzing the inflammatory response. 3 h after exercise, participants observed point-light displays (PLDs) of human interactions portraying four emotions (happiness, affection, sadness, and anger). Participants categorized the emotional content, assessed the emotional intensity of the stimuli, and indicated their confidence in their ratings. Eye movements during the entire paradigm and self-reported current mood were also recorded. Results The downhill exercise condition resulted in significant elevations of measured cytokines (IL6, CRP, MCP-1) and markers for muscle damage (Myoglobin) compared to the control running condition, indicating a pro-inflammatory state after the downhill run. Emotion recognition rates decreased significantly after the downhill run, whereas no such effect was observed after control running. Participants' sensitivity to emotion-specific cues also declined. However, the downhill run had no effect on the perceived emotional intensity or the subjective confidence in the given ratings. Visual scanning behavior was affected after the downhill run, with participants fixating more on sad stimuli, in contrast to the control conditions, where participants exhibited more fixations while observing happy stimuli. Conclusion Our study demonstrates that inflammation, induced through a downhill running model, impairs perception and emotional recognition abilities. Specifically, inflammation leads to decreased recognition rates of emotional content of social interactions, attributable to diminished discrimination capabilities across all emotional categories. Additionally, we observed alterations in visual exploration behavior. This confirms that inflammation significantly affects an individual's responsiveness to social and affective stimuli.
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Affiliation(s)
- Johannes Keck
- Neuromotor Behavior Lab, Institute of Sports Science, Justus-Liebig-University Giessen, Giessen, Germany
- Center for Mind, Brain and Behavior (CMBB), Phillips University of Marburg and Justus-Liebig-University Giessen, Germany
| | - Celine Honekamp
- Sensorimotor Control and Learning, Centre for Cognitive Science, Technical University of Darmstadt, Germany
| | - Kristina Gebhardt
- Department of Exercise Physiology and Sports Therapy, Institute of Sports Science, Justus-Liebig-University Giessen, Giessen, Germany
| | - Svenja Nolte
- Department of Exercise Physiology and Sports Therapy, Institute of Sports Science, Justus-Liebig-University Giessen, Giessen, Germany
| | - Marcel Linka
- Department of Experimental Psychology, Justus-Liebig-University Giessen, Germany
| | - Benjamin de Haas
- Department of Experimental Psychology, Justus-Liebig-University Giessen, Germany
- Center for Mind, Brain and Behavior (CMBB), Phillips University of Marburg and Justus-Liebig-University Giessen, Germany
| | - Jörn Munzert
- Neuromotor Behavior Lab, Institute of Sports Science, Justus-Liebig-University Giessen, Giessen, Germany
- Center for Mind, Brain and Behavior (CMBB), Phillips University of Marburg and Justus-Liebig-University Giessen, Germany
| | - Karsten Krüger
- Department of Exercise Physiology and Sports Therapy, Institute of Sports Science, Justus-Liebig-University Giessen, Giessen, Germany
| | - Britta Krüger
- Neuromotor Behavior Lab, Institute of Sports Science, Justus-Liebig-University Giessen, Giessen, Germany
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Lodin K, Espinosa-Ortega F, Lundberg IE, Alexanderson H. The Role of Exercise to Improve Physiological, Physical and Psychological Health Outcome in Idiopathic Inflammatory Myopathies (IIM). J Inflamm Res 2024; 17:3563-3585. [PMID: 38855165 PMCID: PMC11162627 DOI: 10.2147/jir.s377102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 05/14/2024] [Indexed: 06/11/2024] Open
Abstract
Idiopathic inflammatory myopathies (IIM) impact all aspects of health, physiological, physical, and psychological. Hallmark symptoms of IIM are muscle weakness, reduced muscle endurance and aerobic capacity. Recently, pain and fatigue as well as anxiety and depression have emerged as common and debilitating symptoms in patients with IIM. The aim of this scoping review is to, in a holistic way, describe how IIM impact patients' physiological, physical, and psychological health and how exercise has a role to treat as well as potentially counteract the effects of the disease. Inflammation induces non-immune response and organ damage. These changes with additional impact of physical inactivity lead to muscle impairment and reduced aerobic capacity. Pain, fatigue and low psychological well-being and overall quality of life are also common health aspects of IIM. Medical treatment can reduce inflammation but has in turn serious side effects such as muscle atrophy, type-II diabetes, and hypertension, which exercise has the potential to treat, and perhaps also counteract. In addition, exercise improves muscle function, aerobic capacity and might also reduce fatigue and pain. New evidence shows that reducing systemic inflammation may also improve patient-reported subjective health, quality of life and psychological well-being. Exercise in combination with medical treatment is becoming an important part of the treatment for patients with IIM as exercise has the potential to promote health aspects of various dimensions in patients with IIM.
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Affiliation(s)
- Karin Lodin
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Gastro, Dermatology and Rheumatology, Theme Inflammation and Aging, Karolinska University Hospital, Stockholm, Sweden
| | - Fabricio Espinosa-Ortega
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Gastro, Dermatology and Rheumatology, Theme Inflammation and Aging, Karolinska University Hospital, Stockholm, Sweden
| | - Ingrid E Lundberg
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Gastro, Dermatology and Rheumatology, Theme Inflammation and Aging, Karolinska University Hospital, Stockholm, Sweden
| | - Helene Alexanderson
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
- Medical Unit Allied Health Professionals, Theme Women’s Health and Health Professionals, Karolinska University Hospital, Stockholm, Sweden
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Kondo T, Okada Y, Shizuya S, Yamaguchi N, Hatakeyama S, Maruyama K. Neuroimmune modulation by tryptophan derivatives in neurological and inflammatory disorders. Eur J Cell Biol 2024; 103:151418. [PMID: 38729083 DOI: 10.1016/j.ejcb.2024.151418] [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: 12/25/2023] [Revised: 05/02/2024] [Accepted: 05/03/2024] [Indexed: 05/12/2024] Open
Abstract
The nervous and immune systems are highly developed, and each performs specialized physiological functions. However, they work together, and their dysfunction is associated with various diseases. Specialized molecules, such as neurotransmitters, cytokines, and more general metabolites, are essential for the appropriate regulation of both systems. Tryptophan, an essential amino acid, is converted into functional molecules such as serotonin and kynurenine, both of which play important roles in the nervous and immune systems. The role of kynurenine metabolites in neurodegenerative and psychiatric diseases has recently received particular attention. Recently, we found that hyperactivity of the kynurenine pathway is a critical risk factor for septic shock. In this review, we first outline neuroimmune interactions and tryptophan derivatives and then summarized the changes in tryptophan metabolism in neurological disorders. Finally, we discuss the potential of tryptophan derivatives as therapeutic targets for neuroimmune disorders.
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Affiliation(s)
- Takeshi Kondo
- Department of Biochemistry, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido 060-8636, Japan
| | - Yuka Okada
- Department of Ophthalmology, Wakayama Medical University School of Medicine, Wakayama 641-0012, Japan
| | - Saika Shizuya
- Department of Ophthalmology, Wakayama Medical University School of Medicine, Wakayama 641-0012, Japan
| | - Naoko Yamaguchi
- Department of Pharmacology, School of Medicine, Aichi Medical University, Aichi 480-1195, Japan
| | - Shigetsugu Hatakeyama
- Department of Biochemistry, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido 060-8636, Japan
| | - Kenta Maruyama
- Department of Pharmacology, School of Medicine, Aichi Medical University, Aichi 480-1195, Japan.
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Mabrouk NEL, Mastouri M, Lizard G, Aouni M, Harizi H. In vitro immunotoxicity effects of carbendazim were inhibited by n-acetylcysteine in microglial BV-2 cells. Toxicol In Vitro 2024; 97:105812. [PMID: 38522494 DOI: 10.1016/j.tiv.2024.105812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 03/07/2024] [Accepted: 03/21/2024] [Indexed: 03/26/2024]
Abstract
Carbendazim (CBZ) is a benzimidazole fungicide widely used worldwide in industrial, agricultural, and veterinary practices. Although, CBZ was found in all brain tissues causing serious neurotoxicity, its impact on brain immune cells remain scarcely understood. Our study investigated the in vitro effects of CBZ on activated microglial BV-2 cells. Lipopolysaccharide (LPS)-stimulated BV-2 cells were exposed to increasing concentrations of CBZ and cytokine release was measured by ELISA, and Cytometric Bead Array (CBA) assays. Mitochondrial superoxide anion (O2·-) generation was evaluated by Dihydroethidium (DHE) and nitric oxide (NO) was assessed by Griess reagent. Lipid peroxidation was evaluated by measuring the malonaldehyde (MDA) levels. The transmembrane mitochondrial potential (ΔΨm) was detected by cytometry analysis with dihexyloxacarbocyanine iodide (DiOC6(3)) assay. CBZ concentration-dependently increased IL-1β, IL-6, TNF-α and MCP-1 by LPS-activated BV-2 cells. CBZ significantly promoted oxidative stress by increasing NO, O2·- generation, and MDA levels. In contrast, CBZ significantly decreased ΔΨm. Pre-treatment of BV-2 cells with N-acetylcysteine (NAC) reversed all the above mentioned immunotoxic parameters, suggesting a potential protective role of NAC against CBZ-induced immunotoxicity via its antioxidant and anti-inflammatory effects on activated BV-2 cells. Therefore, microglial proinflammatory over-activation by CBZ may be a potential mechanism by which CBZ could induce neurotoxicity and neurodegenerative disorders.
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Affiliation(s)
- Narjesse E L Mabrouk
- Laboratoy of Transmissible Diseases and Biologically Active Substances, Faculty of Pharmacy Monastir University, Avenue Avicenne, 5019 Monastir, Tunisia
| | - Maha Mastouri
- Laboratoy of Transmissible Diseases and Biologically Active Substances, Faculty of Pharmacy Monastir University, Avenue Avicenne, 5019 Monastir, Tunisia
| | - Gérard Lizard
- Laboratory Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism. EA7270, INSERM, Faculty of Sciences Gabriel, University of Bourgogne Franche Comté, Dijon, France
| | - Mahjoub Aouni
- Laboratoy of Transmissible Diseases and Biologically Active Substances, Faculty of Pharmacy Monastir University, Avenue Avicenne, 5019 Monastir, Tunisia
| | - Hedi Harizi
- Laboratoy of Transmissible Diseases and Biologically Active Substances, Faculty of Pharmacy Monastir University, Avenue Avicenne, 5019 Monastir, Tunisia.
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Kim JM, Kim JW, Kang HJ, Choi W, Lee JY, Kim SW, Shin IS, Ahn Y, Jeong MH. Identification of depression in patients with acute coronary syndrome using multiple serum biomarkers. Gen Hosp Psychiatry 2024; 88:1-9. [PMID: 38428184 DOI: 10.1016/j.genhosppsych.2024.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 02/21/2024] [Accepted: 02/21/2024] [Indexed: 03/03/2024]
Abstract
BACKGROUND Biomarkers for depression in patients with acute coronary syndrome (ACS) have not been identified. METHODS This study evaluated multiple serum biomarkers for depressive disorders after ACS. Thirteen serum biomarkers associated with seven functional systems, along with sociodemographic/clinical characteristics, were evaluated in 969 patients within 2 weeks after ACS onset (acute phase). In total, 711 patients were evaluated for depressive disorder using DSM-IV criteria 1 year later (chronic phase). Logistic regression was used for the analysis. RESULTS Depressive disorders were observed in 378 patients (39.0%) in the acute phase of ACS and 183 patients (25.7%) in the chronic phase. The weighted scores of five serum biomarkers (high-sensitivity C-reactive protein, interleukin-6, homocysteine, troponin I, and creatine kinase-MB) were significantly associated with depressive disorder diagnosis in the acute phase, and the weighted scores of three other biomarkers (tumor necrosis factor-alpha, interleukin-1 beta, and homocysteine) were significantly associated with depressive disorders in the chronic phase, in a dose-dependent manner after adjusting for relevant covariates (all P-values <0.001). CONCLUSIONS The combination of several serum biomarkers exhibited robust associations with depressive disorders in both the acute and chronic phases of ACS.
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Affiliation(s)
- Jae-Min Kim
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea.
| | - Ju-Wan Kim
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Hee-Ju Kang
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Wonsuk Choi
- Department of Internal Medicine, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Republic of Korea
| | - Ju-Yeon Lee
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Sung-Wan Kim
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Il-Seon Shin
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Youngkeun Ahn
- Department of Cardiology, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Myung Ho Jeong
- Department of Cardiology, Chonnam National University Medical School, Gwangju, Republic of Korea
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11
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Lodin K, Espinosa-Ortega F, Dastmalchi M, Vencovsky J, Andersson H, Chinoy H, Lilleker JB, Shinjo SK, Maurer B, Griger Z, Ceribelli A, Torres-Ruiz J, Mercado M VD, Leonard D, Alexanderson H, Lundberg IE. Patient global assessment and inflammatory markers in patients with idiopathic inflammatory myopathies - A longitudinal study. Semin Arthritis Rheum 2024; 65:152379. [PMID: 38241913 DOI: 10.1016/j.semarthrit.2024.152379] [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: 09/23/2023] [Revised: 01/08/2024] [Accepted: 01/12/2024] [Indexed: 01/21/2024]
Abstract
AIM To explore if patient global assessment (PGA) is associated with inflammation over time and if associations are explained by other measures of disease activity and function in patients with idiopathic inflammatory myopathies (IIM). METHODS PGA and systemic inflammatory markers prospectively collected over five years were retrieved from the International MyoNet registry for 1200 patients with IIM. Associations between PGA, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) and creatine kinase (CK) were analyzed using mixed models. Mediation analysis was used to test if the association between PGA and inflammatory markers during the first year of observation could be explained by measures of disease activity and function. RESULTS PGA improved, and inflammatory markers decreased during the first year of observation. In the mixed models, high levels of inflammatory markers were associated with worse PGA in both men and women across time points during five years of observation. In men, but not in women, the association between elevated ESR, CRP and poorer PGA was explained by measures of function and disease activity. With a few exceptions, the association between improved PGA and reduced inflammatory markers was partially mediated by improvements in all measures of function and disease activity. CONCLUSION Increased levels of systemic inflammation are associated with poorer PGA in patients with IIM. In addition to known benefits of lowered inflammation, these findings emphasize the need to reduce systemic inflammation to improve subjective health in patients with IIM. Furthermore, the results demonstrate the importance of incorporating PGA as an outcome measure in clinical practice and clinical trials.
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Affiliation(s)
- Karin Lodin
- Department of Medicine, Division of Rheumatology, Karolinska Institutet, Solna, Stockholm, Sweden; Department of Gastroenterology, Dermatology and Rheumatology, Karolinska University Hospital, Stockholm, Sweden.
| | - Fabricio Espinosa-Ortega
- Department of Medicine, Division of Rheumatology, Karolinska Institutet, Solna, Stockholm, Sweden; Department of Gastroenterology, Dermatology and Rheumatology, Karolinska University Hospital, Stockholm, Sweden
| | - Maryam Dastmalchi
- Department of Medicine, Division of Rheumatology, Karolinska Institutet, Solna, Stockholm, Sweden; Department of Gastroenterology, Dermatology and Rheumatology, Karolinska University Hospital, Stockholm, Sweden
| | - Jiri Vencovsky
- Institute of Rheumatology and Department of Rheumatology, First Medical Faculty, Charles University, Prague, Czech Republic
| | - Helena Andersson
- Department of Rheumatology, Oslo University Hospital, Oslo, Norway
| | - Hector Chinoy
- National Institute for Health Research Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, The University of Manchester, Manchester, United Kingdom; Department of Rheumatology, Salford Royal Hospital, Northern Care Alliance NHS Foundation Trust, Manchester Academic Health Science Centre, Salford, United Kingdom; Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, Centre for Musculoskeletal Research, Manchester Academic Health Science Centre, The University of Manchester, Manchester, United Kingdom
| | - James B Lilleker
- Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, Centre for Musculoskeletal Research, Manchester Academic Health Science Centre, The University of Manchester, Manchester, United Kingdom; Manchester Centre for Clinical Neurosciences, Northern Care Alliance NHS Foundation Trust, Salford, United Kingdom
| | - Samuel Katsuyuki Shinjo
- Division of Rheumatology, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Britta Maurer
- Department of Rheumatology and Immunology, Inselspital, Bern University Hospital, University of Bern, Bern CH-3010, Switzerland
| | - Zoltan Griger
- Division of Clinical Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Angela Ceribelli
- Division of Rheumatology and Clinical Immunology, IRCCS Humanitas Research Hospital, 20089, Rozzano, Milan, Italy; Department of Biomedical Sciences, Humanitas University, 20072, Pieve Emanuele, Milan, Italy
| | - Jiram Torres-Ruiz
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Vazquez-Del Mercado M
- Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud, Departamento de Biología Molecular y Genómica, Instituto de Investigación en Reumatología y del Sistema Músculo Esquelético (IIRSME), Guadalajara, Mexico
| | - Dag Leonard
- Department of Medical Sciences, Section of Rheumatology, Uppsala University, Uppsala, Sweden
| | - Helene Alexanderson
- Department of Medicine, Division of Rheumatology, Karolinska Institutet, Solna, Stockholm, Sweden; Women's Health and Health Professional Theme, Medical Unit Occupational Therapy and Physical Therapy, Karolinska University Hospital, Stockholm, Sweden
| | - Ingrid E Lundberg
- Department of Medicine, Division of Rheumatology, Karolinska Institutet, Solna, Stockholm, Sweden; Department of Gastroenterology, Dermatology and Rheumatology, Karolinska University Hospital, Stockholm, Sweden
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12
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Yuan JP, Coury SM, Ho TC, Gotlib IH. Early life stress moderates the relation between systemic inflammation and neural activation to reward in adolescents both cross-sectionally and longitudinally. Neuropsychopharmacology 2024; 49:532-540. [PMID: 37673968 PMCID: PMC10789786 DOI: 10.1038/s41386-023-01708-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 07/27/2023] [Accepted: 08/09/2023] [Indexed: 09/08/2023]
Abstract
Elevated levels of systemic inflammation are associated with altered reward-related brain function in ventral striatal areas of the brain like the nucleus accumbens (NAcc). In adolescents, cross-sectional research indicates that exposure to early life stress (ELS) can moderate the relation between inflammation and neural activation, which may contribute to atypical reward function; however, no studies have tested whether this moderation by ELS of neuroimmune associations persists over time. Here, we conducted a cross-sectional analysis and the first exploratory longitudinal analysis testing whether cumulative severity of ELS moderates the association of systemic inflammation with reward-related processing in the NAcc in adolescents (n = 104; 58F/46M; M[SD] age = 16.00[1.45] years; range = 13.07-19.86 years). For the cross-sectional analysis, we modeled a statistical interaction between ELS and levels of C-reactive protein (CRP) predicting NAcc activation during the anticipation and outcome phases of a monetary reward task. We found that higher CRP was associated with blunted NAcc activation during the outcome of reward in youth who experienced higher levels of ELS (β = -0.31; p = 0.006). For the longitudinal analysis, we modeled an interaction between ELS and change in CRP predicting change in NAcc activation across 2 years. This analysis similarly showed that increasing CRP over time was associated with decreasing NAcc during reward outcomes in youth who experienced higher levels of ELS (β = -0.47; p = 0.022). Both findings support contemporary theoretical frameworks involving associations among inflammation, reward-related brain function, and ELS exposure, and suggest that experiencing ELS can have significant and enduring effects on neuroimmune function and adolescent neurodevelopment.
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Affiliation(s)
- Justin P Yuan
- Department of Psychology, Stanford University, Stanford, CA, USA.
| | - Saché M Coury
- Department of Psychology, Stanford University, Stanford, CA, USA
| | - Tiffany C Ho
- Department of Psychology, University of California, Los Angeles, CA, USA
| | - Ian H Gotlib
- Department of Psychology, Stanford University, Stanford, CA, USA
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13
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Zhao H, Sun M, Zhang Y, Kong W, Fan L, Wang K, Xu Q, Chen B, Dong J, Shi Y, Wang Z, Wang S, Zhuang X, Li Q, Lin F, Yao X, Zhang W, Kong C, Zhang R, Feng D, Zhao X. Connecting the Dots: The Cerebral Lymphatic System as a Bridge Between the Central Nervous System and Peripheral System in Health and Disease. Aging Dis 2024; 15:115-152. [PMID: 37307828 PMCID: PMC10796102 DOI: 10.14336/ad.2023.0516] [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: 02/12/2023] [Accepted: 05/16/2023] [Indexed: 06/14/2023] Open
Abstract
As a recently discovered waste removal system in the brain, cerebral lymphatic system is thought to play an important role in regulating the homeostasis of the central nervous system. Currently, more and more attention is being focused on the cerebral lymphatic system. Further understanding of the structural and functional characteristics of cerebral lymphatic system is essential to better understand the pathogenesis of diseases and to explore therapeutic approaches. In this review, we summarize the structural components and functional characteristics of cerebral lymphatic system. More importantly, it is closely associated with peripheral system diseases in the gastrointestinal tract, liver, and kidney. However, there is still a gap in the study of the cerebral lymphatic system. However, we believe that it is a critical mediator of the interactions between the central nervous system and the peripheral system.
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Affiliation(s)
- Hongxiang Zhao
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China.
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Meiyan Sun
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China.
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Yue Zhang
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Wenwen Kong
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Lulu Fan
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Kaifang Wang
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Qing Xu
- Department of Anesthesiology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Baiyan Chen
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Jianxin Dong
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Yanan Shi
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Zhengyan Wang
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - ShiQi Wang
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Xiaoli Zhuang
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Qi Li
- Department of Anesthesiology, Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.
| | - Feihong Lin
- Department of Anesthesiology, Shanghai Pulmonary Hospital, School of Medicine, Tongji University, Shanghai, China.
| | - Xinyu Yao
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.
| | - WenBo Zhang
- Department of Neurosurgery, The Children’s Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China.
| | - Chang Kong
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China.
| | - Rui Zhang
- Department of Anesthesiology, Affiliated Hospital of Weifang Medical University, Weifang, China.
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Dayun Feng
- Department of neurosurgery, Tangdu hospital, Fourth Military Medical University, Xi'an, China.
| | - Xiaoyong Zhao
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China.
- Department of Anesthesiology, Affiliated Hospital of Weifang Medical University, Weifang, China.
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang, China.
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14
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Hahad O, Kuntic M, Al-Kindi S, Kuntic I, Gilan D, Petrowski K, Daiber A, Münzel T. Noise and mental health: evidence, mechanisms, and consequences. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2024:10.1038/s41370-024-00642-5. [PMID: 38279032 DOI: 10.1038/s41370-024-00642-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/13/2024] [Accepted: 01/15/2024] [Indexed: 01/28/2024]
Abstract
The recognition of noise exposure as a prominent environmental determinant of public health has grown substantially. While recent years have yielded a wealth of evidence linking environmental noise exposure primarily to cardiovascular ailments, our understanding of the detrimental effects of noise on the brain and mental health outcomes remains limited. Despite being a nascent research area, an increasing body of compelling research and conclusive findings confirms that exposure to noise, particularly from sources such as traffic, can potentially impact the central nervous system. These harms of noise increase the susceptibility to mental health conditions such as depression, anxiety, suicide, and behavioral problems in children and adolescents. From a mechanistic perspective, several investigations propose direct adverse phenotypic changes in brain tissue by noise (e.g. neuroinflammation, cerebral oxidative stress), in addition to feedback signaling by remote organ damage, dysregulated immune cells, and impaired circadian rhythms, which may collectively contribute to noise-dependent impairment of mental health. This concise review linking noise exposure to mental health outcomes seeks to fill research gaps by assessing current findings from studies involving both humans and animals.
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Affiliation(s)
- Omar Hahad
- Department of Cardiology-Cardiology I, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany.
- German Center for Cardiovascular Research (DZHK), partner site Rhine-Main, Mainz, Germany.
| | - Marin Kuntic
- Department of Cardiology-Cardiology I, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), partner site Rhine-Main, Mainz, Germany
| | - Sadeer Al-Kindi
- Cardiovascular Prevention and Wellness, DeBakey Heart and Vascular Center, Houston Methodist, Houston, TX, USA
| | - Ivana Kuntic
- Department of Cardiology-Cardiology I, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Donya Gilan
- Leibniz Institute for Resilience Research (LIR), Mainz, Germany
- Department of Psychiatry and Psychotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Katja Petrowski
- Medical Psychology & Medical Sociology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Andreas Daiber
- Department of Cardiology-Cardiology I, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), partner site Rhine-Main, Mainz, Germany
| | - Thomas Münzel
- Department of Cardiology-Cardiology I, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), partner site Rhine-Main, Mainz, Germany
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15
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Pastis I, Santos MG, Paruchuri A. Exploring the role of inflammation in major depressive disorder: beyond the monoamine hypothesis. Front Behav Neurosci 2024; 17:1282242. [PMID: 38299049 PMCID: PMC10829100 DOI: 10.3389/fnbeh.2023.1282242] [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: 08/23/2023] [Accepted: 12/04/2023] [Indexed: 02/02/2024] Open
Abstract
Major depressive disorder affects approximately 8.4% of the United States population. The World Health Organization estimates that 280 million adults worldwide are suffering from depression. They have estimated that by 2030 it will be the second most serious condition. Current treatment relies on the monoamine hypothesis, however, one-third of patients with MDD do not respond to monoamine-based antidepressants. For years, it was hypothesized that the primary pathway of MDD involved serotonin as the main neurotransmitter. The monoamine hypothesis, a widely accepted theory, sought to explain the biological basis of MDD as being caused by the depletion of monoamine neurotransmitters, namely norepinephrine and serotonin. This hypothesis regarding monoamines as the pathophysiological basis of MDD led to the design and widespread use of selective serotonin reuptake inhibitors. However, given that only one-third of patients improve with SSRI it is reasonable to infer that the pathway involved is more complex than once hypothesized and there are more neurotransmitters, receptors, and molecules involved. The monoamine hypothesis does not explain why there is a delay in the onset of effect and action of SSRIs. Several studies have demonstrated that chronic stress is a risk factor for the development of MDD. Thus the monoamine hypothesis alone is not enough to fully account for the pathophysiology of MDD highlighting the need for further research involving the pathways of MDD. In this paper, we review the role of inflammation and cytokines on MDD and discuss other pathways involved in the development and persistence of depressive symptoms.
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Affiliation(s)
- Irene Pastis
- Department of Psychiatry and Behavioral Medicine, East Carolina University, Greenville, NC, United States
| | - Melody G. Santos
- Internal Medicine and Psychiatry Combined Program, Department of Psychiatry and Behavioral Medicine, East Carolina University, Greenville, NC, United States
| | - Akshita Paruchuri
- East Carolina University Brody School of Medicine, Greenville, NC, United States
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16
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Kumar V, Stewart JH. Immune Homeostasis: A Novel Example of Teamwork. Methods Mol Biol 2024; 2782:1-24. [PMID: 38622389 DOI: 10.1007/978-1-0716-3754-8_1] [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] [Indexed: 04/17/2024]
Abstract
All living organisms must maintain homeostasis to survive, reproduce, and pass their traits on to the next generation. If homeostasis is not maintained, it can result in various diseases and ultimately lead to death. Physiologists have coined the term "homeostasis" to describe this process. With the emergence of immunology as a separate branch of medicine, the concept of immune homeostasis has been introduced. Maintaining immune homeostasis is crucial to support overall homeostasis through different immunological and non-immunological routes. Any changes in the immune system can lead to chronic inflammatory or autoimmune diseases, immunodeficiency diseases, frequent infections, and cancers. Ongoing scientific advances are exploring new avenues in immunology and immune homeostasis maintenance. This chapter introduces the concept of immune homeostasis and its maintenance through different mechanisms.
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Affiliation(s)
- Vijay Kumar
- Department of Surgery, Laboratory of Tumor Immunology and Immunotherapy, Medical Education Building-C, Morehouse School of Medicine, Atlanta, GA, USA
| | - John H Stewart
- Department of Surgery, Laboratory of Tumor Immunology and Immunotherapy, Medical Education Building-C, Morehouse School of Medicine, Atlanta, GA, USA.
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17
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Bian LH, Wang SQ, Li WJ, Li J, Yin Y, Ye FF, Guo JY. Cryptotanshinone regulates gut microbiota and PI3K-AKT pathway in rats to alleviate CUMS induced depressive symptoms. Biomed Pharmacother 2023; 169:115921. [PMID: 38011787 DOI: 10.1016/j.biopha.2023.115921] [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: 09/19/2023] [Revised: 11/09/2023] [Accepted: 11/20/2023] [Indexed: 11/29/2023] Open
Abstract
Cryptotanshinone (CPT), a bioactive compound derived from the traditional Chinese herb Salvia miltiorrhiza, exhibits promising antidepressant properties. Employing a rat model subjected to Chronic Unpredictable Mild Stress (CUMS), behavioral analyses (open field experiment, elevated cross maze experiment, sugar water preference experiment, forced swimming experiment) and inflammatory factor assessments were conducted to assess the efficacy of CPT in alleviating depressive symptoms and inflammatory responses induced by CUMS. Moreover, 16 S rDNA analysis revealed alterations in the gut microbiota of rats exposed to both CUMS and CPT administration. Notably, CPT administration was found to mitigate harmful bacterial shifts associated with depression. Preliminary exploration of the molecular mechanism underlying CPT's antidepressant effects via transcriptomics analysis and molecular docking indicated that CPT might exert its influence by regulating the PI3K-AKT pathway. This study sheds light on the potential therapeutic role of CPT in managing depressive disorders, offering a comprehensive understanding of its impact on behavior, inflammation, gut microbiota, and molecular pathways.
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Affiliation(s)
- Li-Hua Bian
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325001, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Si-Qi Wang
- University of Chinese Academy of Sciences, Beijing 100049, China; CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 4A DatunRoad, Chaoyang District, Beijing 100101, China
| | - Wen-Jing Li
- University of Chinese Academy of Sciences, Beijing 100049, China; CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 4A DatunRoad, Chaoyang District, Beijing 100101, China
| | - Jie Li
- University of Chinese Academy of Sciences, Beijing 100049, China; CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 4A DatunRoad, Chaoyang District, Beijing 100101, China
| | - Yi Yin
- University of Chinese Academy of Sciences, Beijing 100049, China; CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 4A DatunRoad, Chaoyang District, Beijing 100101, China
| | - Fang-Fu Ye
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325001, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jian-You Guo
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 4A DatunRoad, Chaoyang District, Beijing 100101, China.
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Mahgoub Y, Forrest LN, Luther J, Singh N, Kibler J, Noel J, Zug D, Swigart A, Kunkel E. The Impact of COVID-19 on Psychiatric Acuity in a Community Psychiatric Hospital. J Nerv Ment Dis 2023; 211:910-918. [PMID: 37983367 DOI: 10.1097/nmd.0000000000001735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
ABSTRACT The COVID-19 pandemic has had extensive impacts on mental health care delivery. Anecdotal observations of inpatient care teams at Pennsylvania Psychiatric Institute suggested increased patient acuity during the pandemic. The authors found no consensus definition for measuring psychiatric acuity in the literature. We performed an interrupted time series analysis to identify whether COVID-19 was associated with changes in several hospital parameters that might reflect our patients' access to psychiatric services and acuity. We found increases in inpatient parameters for length of stay, rates of involuntary admissions, and the incidence of restraints, seclusion, and 1:1 observation orders. Observing these increasing trends can inform mitigation efforts to improve the quality of mental health care treatment and care delivery. We suggest the use of these metrics for objective measurements of psychiatric acuity.
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Affiliation(s)
- Yassir Mahgoub
- Department of Psychiatry and Behavioral Health, Penn State College of Medicine, Hershey, Pennsylvania
| | - Lauren N Forrest
- Department of Psychiatry and Behavioral Health, Penn State College of Medicine, Hershey, Pennsylvania
| | - Joy Luther
- Penn State College of Medicine, Hershey, Pennsylvania
| | - Nirmal Singh
- Penn State College of Medicine, Hershey, Pennsylvania
| | - Jason Kibler
- Pennsylvania Psychiatric Institute, Harrisburg, Pennsylvania
| | - Jason Noel
- Pennsylvania Psychiatric Institute, Harrisburg, Pennsylvania
| | - David Zug
- Pennsylvania Psychiatric Institute, Harrisburg, Pennsylvania
| | - Alison Swigart
- Department of Psychiatry and Behavioral Health, Penn State College of Medicine, Hershey, Pennsylvania
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Zhao XL, Liu YL, Long Q, Zhang YQ, You X, Guo ZY, Cao X, Yu L, Qin FY, Teng ZW, Zeng Y. Abnormal expression of miR-3653-3p, caspase 1, IL-1β in peripheral blood of schizophrenia. BMC Psychiatry 2023; 23:822. [PMID: 37946206 PMCID: PMC10633926 DOI: 10.1186/s12888-023-05182-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 09/11/2023] [Indexed: 11/12/2023] Open
Abstract
Schizophrenia (SCZ) is a chronic, highly relapsing, severe mental disorder with an unclear etiology. Cytokine-mediated neuroimmune abnormalities have been repeatedly revealed. IL-1β was reported to play a vital role in expanding the inflammatory response. However, the underlying molecular mechanism is poorly understood. In this study, we found that miR-3653-3p with the NLRP3 binding site in Targetscan was differentially expressed in miRNA high-throughput sequencing in schizophrenia (SCZ), and indeed, its downregulation in SCZ peripheral blood was also verified by RT-qPCR (P-value = 0.015). Furthermore, we found that the mRNAs of caspase 1 and IL-1β are elevated in people who suffer from SCZ (P = 0.044 and P = 0.001, respectively). Moreover, the interaction of NLRP3, Caspase1, and IL-1β was found in the peripheral blood of patients with SCZ. The expression level of miR-3653-3p was negatively correlated with NLRP3 and IL-1β mRNA contents (r = 0.487, P = 0.04 and r = 0.508, P = 0.037, respectively). NLRP3 mRNA was positively correlated with caspase1 mRNA. Meanwhile, the expression of miR-3653-3p was also negatively correlated with negative symptom subscores of PANSS (r = 0.450, P = 0.046). IL-1β mRNA is positively correlated with the total scores of PANSS (r = 0.690, P = 0.002) and the sub-scores of general psychopathology of PANSS (r = 0.583, P = 0.014). Additionally, a significant positive relationship exists between IL-1β and the total duration (r = 0.638, P = 0.006). We found that the combination of miR-3653-3p, caspase 1, and IL-1β have better diagnostic values. The results indicate that miR-3653-3p, caspase 1, and IL-1β can potentially be biomarkers of SCZ, identifying negative symptoms or a chronic course. A further understanding of the involvement of IL-1β in SCZ may be a crucial molecular effector for the chronic course to intervene.
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Affiliation(s)
- Xin-Ling Zhao
- Department of Psychiatry, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Yi-Lin Liu
- Department of Psychiatry, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Qing Long
- Department of Psychiatry, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Yun-Qiao Zhang
- Psychiatric Ward, Honghe Second People's Hospital, Honghe, Yunnan Province, China
| | - Xu You
- Psychiatric Ward, Honghe Second People's Hospital, Honghe, Yunnan Province, China
| | - Ze-Yi Guo
- Department of Psychiatry, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Xiang Cao
- Department of Psychiatry, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Lei Yu
- Department of Psychiatry, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Fu-Yi Qin
- Department of Psychiatry, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Zhao-Wei Teng
- Central Laboratory of the Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China.
| | - Yong Zeng
- Department of Psychiatry, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China.
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20
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Zhang S, She S, Qiu Y, Li Z, Mao D, Zheng W, Wu H, Huang R. Altered cortical myelin in the salience and default mode networks in major depressive disorder patients: A surface-based analysis. J Affect Disord 2023; 340:113-119. [PMID: 37517634 DOI: 10.1016/j.jad.2023.07.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 05/23/2023] [Accepted: 07/14/2023] [Indexed: 08/01/2023]
Abstract
INTRODUCTION Evidence from previous genetic and post-mortem studies suggested that the myelination abnormality contributed to the pathogenesis of major depressive disorder (MDD). However, image-level alterations in cortical myelin content associated with MDD are still unclear. METHODS The high-resolution T1-weighted (T1w) and T2-weighted (T2w) brain 3D structural images were obtained from 52 MDD patients and 52 healthy controls (HC). We calculated the vertex-based T1w/T2w ratio using the HCP structural pipelines to characterize individual cortical myelin maps at the fs_LR 32 k surface. We attempted to detect the clusters with significant differences in cortical myelin content between MDD and HC groups. We correlated the cluster-wise averaged myelin value and the clinical performances in MDD patients. RESULTS The MDD patients showed significantly lower cortical myelin content in the cluster involving the left insula, orbitofrontal cortex, superior temporal cortex, transverse temporal gyrus, inferior frontal cortex, superior frontal gyrus, anterior cingulate cortex, precentral cortex, and postcentral cortex. The correlation analysis showed a significantly positive correlation between the cluster-wise cortical myelin content and the onset age of MDD patients. CONCLUSION The MDD patients showed lower cortical myelin content in regions of the default mode network regions and salience network than healthy controls.
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Affiliation(s)
- Shufei Zhang
- School of Psychology, Center for the Study of Applied Psychology, Key Laboratory of Mental Health and Cognitive Science of Guangdong Province, Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, 510631, China
| | - Shenglin She
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, 510370, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, 510370, China
| | - Yidan Qiu
- School of Psychology, Center for the Study of Applied Psychology, Key Laboratory of Mental Health and Cognitive Science of Guangdong Province, Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, 510631, China
| | - Zezhi Li
- School of Psychology, Center for the Study of Applied Psychology, Key Laboratory of Mental Health and Cognitive Science of Guangdong Province, Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, 510631, China; The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, 510370, China
| | - Deng Mao
- School of Psychology, Center for the Study of Applied Psychology, Key Laboratory of Mental Health and Cognitive Science of Guangdong Province, Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, 510631, China
| | - Wei Zheng
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, 510370, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, 510370, China
| | - Huawang Wu
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, 510370, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, 510370, China.
| | - Ruiwang Huang
- School of Psychology, Center for the Study of Applied Psychology, Key Laboratory of Mental Health and Cognitive Science of Guangdong Province, Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, 510631, China.
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21
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Hara Y, Honzawa T, Kitagawa M, Sano R, Matsuo K, Nakayama T. Aggravation of lipopolysaccharide-induced depressive-like behavior in CCR4-deficient mice. J Pharmacol Sci 2023; 153:89-93. [PMID: 37770160 DOI: 10.1016/j.jphs.2023.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/10/2023] [Accepted: 08/21/2023] [Indexed: 10/03/2023] Open
Abstract
Increasing evidence indicates that immune abnormalities are associated with the pathogenesis of depression. CCR4 is a chemokine receptor that regulates regulatory T cell (Treg) and Th17 cell migration. Here, using a lipopolysaccharide (LPS)-induced depression mouse model, we demonstrated that CCR4 deficiency exacerbated depressive-like behavior. Tregs and M2 macrophages, but not Th17 cells, were decreased in the brain of CCR4-deficient mice. Consistently, treatment with a CCR4 inhibitor reduced Tregs and M2 macrophages in the brain and exacerbated depressive-like behavior. Thus, CCR4 may contribute to the reduction of depressive symptoms by promoting Treg recruitment to the brain and subsequent M2 macrophage polarization.
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Affiliation(s)
- Yuta Hara
- Division of Chemotherapy, Kindai University Faculty of Pharmacy, Higashi-osaka, Osaka, Japan
| | - Tatsuma Honzawa
- Division of Chemotherapy, Kindai University Faculty of Pharmacy, Higashi-osaka, Osaka, Japan
| | - Moeka Kitagawa
- Division of Chemotherapy, Kindai University Faculty of Pharmacy, Higashi-osaka, Osaka, Japan
| | - Ritsuki Sano
- Division of Chemotherapy, Kindai University Faculty of Pharmacy, Higashi-osaka, Osaka, Japan
| | - Kazuhiko Matsuo
- Division of Chemotherapy, Kindai University Faculty of Pharmacy, Higashi-osaka, Osaka, Japan
| | - Takashi Nakayama
- Division of Chemotherapy, Kindai University Faculty of Pharmacy, Higashi-osaka, Osaka, Japan.
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22
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Shehata AH, Anter AF, Ahmed ASF. Role of SIRT1 in sepsis-induced encephalopathy: Molecular targets for future therapies. Eur J Neurosci 2023; 58:4211-4235. [PMID: 37840012 DOI: 10.1111/ejn.16167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 09/22/2023] [Accepted: 09/25/2023] [Indexed: 10/17/2023]
Abstract
Sepsis induces neuroinflammation, BBB disruption, cerebral hypoxia, neuronal mitochondrial dysfunction, and cell death causing sepsis-associated encephalopathy (SAE). These pathological consequences lead to short- and long-term neurobehavioural deficits. Till now there is no specific treatment that directly improves SAE and its associated behavioural impairments. In this review, we discuss the underlying mechanisms of sepsis-induced brain injury with a focus on the latest progress regarding neuroprotective effects of SIRT1 (silent mating type information regulation-2 homologue-1). SIRT1 is an NAD+ -dependent class III protein deacetylase. It is able to modulate multiple downstream signals (including NF-κB, HMGB, AMPK, PGC1α and FoxO), which are involved in the development of SAE by its deacetylation activity. There are multiple recent studies showing the neuroprotective effects of SIRT1 in neuroinflammation related diseases. The proposed neuroprotective action of SIRT1 is meant to bring a promising therapeutic strategy for managing SAE and ameliorating its related behavioural deficits.
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Affiliation(s)
- Alaa H Shehata
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Aliaa F Anter
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Al-Shaimaa F Ahmed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Minia University, Minia, Egypt
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23
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Kim E, Carreira Figueiredo I, Simmons C, Randall K, Rojo Gonzalez L, Wood T, Ranieri B, Sureda-Gibert P, Howes O, Pariante C, Nima Consortium, Pasternak O, Dell'Acqua F, Turkheimer F, Cash D. Mapping acute neuroinflammation in vivo with diffusion-MRI in rats given a systemic lipopolysaccharide challenge. Brain Behav Immun 2023; 113:289-301. [PMID: 37482203 DOI: 10.1016/j.bbi.2023.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 06/19/2023] [Accepted: 07/17/2023] [Indexed: 07/25/2023] Open
Abstract
It is becoming increasingly apparent that neuroinflammation plays a critical role in an array of neurological and psychiatric disorders. Recent studies have demonstrated the potential of diffusion MRI (dMRI) to characterize changes in microglial density and morphology associated with neuroinflammation, but these were conducted mostly ex vivo and/or in extreme, non-physiological animal models. Here, we build upon these studies by investigating the utility of well-established dMRI methods to detect neuroinflammation in vivo in a more clinically relevant animal model of sickness behavior. We show that diffusion tensor imaging (DTI) and neurite orientation dispersion and density imaging (NODDI) indicate widespread increases in diffusivity in the brains of rats given a systemic lipopolysaccharide challenge (n = 20) vs. vehicle-treated controls (n = 12). These diffusivity changes correlated with histologically measured changes in microglial morphology, confirming the sensitivity of dMRI to neuroinflammatory processes. This study marks a further step towards establishing a noninvasive indicator of neuroinflammation, which would greatly facilitate early diagnosis and treatment monitoring in various neurological and psychiatric diseases.
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Affiliation(s)
- Eugene Kim
- Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom.
| | - Ines Carreira Figueiredo
- Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom.
| | - Camilla Simmons
- Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
| | - Karen Randall
- Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
| | - Loreto Rojo Gonzalez
- Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
| | - Tobias Wood
- Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom.
| | - Brigida Ranieri
- Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
| | - Paula Sureda-Gibert
- Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom.
| | - Oliver Howes
- Department of Psychosis Studies, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
| | - Carmine Pariante
- Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom.
| | - Nima Consortium
- The Wellcome Trust Consortium for the Neuroimmunology of Mood Disorders and Alzheimer's Disease (NIMA), United Kingdom
| | - Ofer Pasternak
- Departments of Psychiatry and Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
| | - Flavio Dell'Acqua
- Department of Forensic and Neurodevelopmental Sciences, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom.
| | - Federico Turkheimer
- Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom.
| | - Diana Cash
- Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom.
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Kim HJ, Moon JH, Chung SW, Abraham I. The role of cytokines and Indolamine-2.3 dioxygenase in experiencing a psycho-neurological symptom cluster in hematological cancer patients: IL-1alpha, IL-1beta, IL-4, IL-6, TNF-alpha, kynurenine, and tryptophan. J Psychosom Res 2023; 173:111455. [PMID: 37586292 DOI: 10.1016/j.jpsychores.2023.111455] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 07/07/2023] [Accepted: 08/08/2023] [Indexed: 08/18/2023]
Abstract
OBJECTIVE This study examined (a) whether there are a subgroup of cancer patients experiencing the selected psycho-neurological symptoms as a cluster (depression, cognitive impairment, fatigue, sleep disturbance, and pain); (b) whether demographic and clinical characteristics and pro-inflammatory cytokines (IL-1α, IL-1β, IL-4, IL-6, TNF-alpha) are associated with subgroup membership; and (c) whether the activity of indolamine-2.3 dioxygenase(IDO) is associated with pro-inflammatory cytokine activity and psycho-neurological symptom cluster experience. METHODS This was a prospective cohort study where 149 hematologic patients were recruited from a university hospital and 65 healthy volunteers provided control data. Latent profile analyses were conducted to identify subgroups at two time points: the last day of chemotherapy and 1 week after chemotherapy completion. Influencing factors of subgroup membership were examined by logistic regression. RESULTS A substantial number of patients (33%, 34% at each time point) experienced the selected psycho-neurological symptoms as a cluster. Older age and elevated IL-1α and IL-6 were associated with experiencing the psycho-neurological symptom cluster. IDO activity was higher in the patients experiencing psycho-neurological symptom cluster; and was positively associated with IL-6. Symptom severity, IL-1α, IL-6, and IDO activity were all significantly higher in cancer patients than in the healthy controls. The findings were preserved across time points. CONCLUSIONS The activation of pro-inflammatory cytokines and their cross-talk with IDO may be a common biological mechanism, underlying a psycho-neurological symptom cluster experience. The novel approaches for symptom assessment and management can be developed by assessing multiple psycho-neurological symptoms as a cluster and by targeting their common biological pathway.
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Affiliation(s)
- Hee-Ju Kim
- College of Nursing, The Catholic University of Korea, Seoul, South Korea.
| | - Joon Ho Moon
- Department of Hematology/Oncology, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Deagu, South Korea
| | - Su Wol Chung
- Department of Biological Sciences, College of Natural Sciences, University of Ulsan, Ulsan, South Korea
| | - Ivo Abraham
- Center for Health Outcomes and PharmacoEconomic Research and Arizona Cancer Center, University of Arizona, Tucson, AZ, USA
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25
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Arias-Colinas M, Gea A, Khattab A, Vassallo M, Allen SC, Kwan J. Inflammatory Cytokines Are Associated with Cognitive Dysfunction and Depressive State during Acute Bacterial Infections and the Recovery Phase. Int J Mol Sci 2023; 24:14221. [PMID: 37762523 PMCID: PMC10532050 DOI: 10.3390/ijms241814221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/04/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
During a bacterial infection, individuals may present with behavioral changes referred to as sickness behavior, which has been suggested is induced by the inflammatory markers that are released because of the infective immunological challenge. However, few studies have explored this multidimensional phenomenon in naturally occurring conditions. A longitudinal observational study was conducted to explore the role of inflammatory cytokines in mediating the sickness behavior during a bacterial infection. There were 13, 11 and 37 participants in the infection, hospital control and healthy groups, respectively. They were all followed up for 6 weeks and their inflammatory markers were quantified throughout those weeks. Cognitive function and depressive state were assessed by means of the Mini-Mental State Examination (MMSE) and Cornell Scale for Depression in Dementia (CSDD). Reductions in proinflammatory markers C-Reactive protein (CRP), interleukin - 6 (IL6) and tumor necrosis factor-α (TNFα) and increments in anti-inflammatory markers (interleukin - 4 (IL4)) were associated with an improvement in CSDD and MSEE in patients recovering from a bacterial infection. The correlation between inflammatory makers and CSDD was statistically significant for the CRP (r = 0.535, p = 0.001), the IL6 (r = 0.499, p < 0.001), the TNFα (r = 0.235, p = 0.007) and the IL4 (r = -0.321, p = 0.018). Inflammatory cytokines may mediate sickness behavior during acute illness. These results may enhance the understanding of the pathophysiology and potential treatment strategies to palliate this sickness behavior.
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Affiliation(s)
- Mónica Arias-Colinas
- Department of Preventive Medicine and Public Health, University of Navarra, 31008 Pamplona, Spain;
- IdiSNA, Navarra Institute for Health Research, 31008 Pamplona, Spain
| | - Alfredo Gea
- Department of Preventive Medicine and Public Health, University of Navarra, 31008 Pamplona, Spain;
- IdiSNA, Navarra Institute for Health Research, 31008 Pamplona, Spain
- Biomedical Research Network Center for Pathophysiology of Obesity and Nutrition, (CIBEROBN), Carlos III Health Institute, 28029 Madrid, Spain
| | - Ahmed Khattab
- Faculty of Health and Social Sciences, Bournemouth University, Bournemouth BH8 8GP, UK; (A.K.); (M.V.); (S.C.A.)
| | - Michael Vassallo
- Faculty of Health and Social Sciences, Bournemouth University, Bournemouth BH8 8GP, UK; (A.K.); (M.V.); (S.C.A.)
- Department of Medicine for Older People, Royal Bournemouth Hospital, Bournemouth BH7 7DW, UK
| | - Stephen C. Allen
- Faculty of Health and Social Sciences, Bournemouth University, Bournemouth BH8 8GP, UK; (A.K.); (M.V.); (S.C.A.)
- Department of Medicine for Older People, Royal Bournemouth Hospital, Bournemouth BH7 7DW, UK
| | - Joseph Kwan
- Department of Brain Sciences, Imperial College, London W12 0NN, UK
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26
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Pradhan SH, Gibb M, Kramer AT, Sayes CM. Peripheral (lung-to-brain) exposure to diesel particulate matter induces oxidative stress and increased markers for systemic inflammation. ENVIRONMENTAL RESEARCH 2023; 231:116267. [PMID: 37257747 DOI: 10.1016/j.envres.2023.116267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/09/2023] [Accepted: 05/27/2023] [Indexed: 06/02/2023]
Abstract
Combustion-derived air pollution is a complex environmental toxicant that has become a global health concern due to urbanization. Air pollution contains pro-inflammatory stimulants such as fine and ultrafine particulate matter, gases, volatile organic compounds, and metals. This study is focused on the particulate phase, which has been shown to induce systemic inflammation after chronic exposure due to its ability to travel to the lower airway, resulting in the activation of local immune cell populations, releasing acute phase reactants to mitigate ongoing inflammation. The systemic response is a potential mechanism for the co-morbidity associated with regions with high pollution and neuropathology. We exposed diesel particulate matter (DPM) to a pulmonary cell-derived in vitro model where macrophages mimic the diffusion of cytokines into the peripheral circulation to microglia. Alveolar macrophages (transformed U937) were inoculated with resuspended DPM in an acute exposure (24-h incubation) and analyzed for MCP-1 expression and acute phase reactants (IL-1β, IL-6, IL-8, and TNF-α). Post-exposure serum was collected and filtered from cultured alveolar macrophages, introduced to a healthy culture of microglial cells (HMC3), and measured for neurotoxic cytokines, oxidative stress, and pattern recognition receptors. After DPM exposure, the macrophages significantly upregulated all measured acute phase reactants, increased H2O2 production, and increased MCP-1 expression. After collection and filtration to remove excess particulates, microglia cells were incubated with the collected serum for 48 h to allow for cytokine diffusion between the periphery of microglia. Microglia significantly upregulated IL-6, IL-8, and oxidative stress with a moderate increase in IL-1β and TNF-α. As a marker required for signaling tissue damage, CD14 indicated that compared to direct inoculation of DPM, peripheral exposure resulted in the potent activation of microglia cells. The specificity and potency of the response have implications for neuropathology through lung-to-brain mechanisms after inhalation of environmental pollutants.
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Affiliation(s)
- Sahar H Pradhan
- Department of Environmental Science, Baylor University, Waco, TX 76798, USA
| | - Matthew Gibb
- Department of Environmental Science, Baylor University, Waco, TX 76798, USA; Institute of Biomedical Sciences, Baylor University, Waco, TX 76798, USA
| | - Alec T Kramer
- Department of Environmental Science, Baylor University, Waco, TX 76798, USA
| | - Christie M Sayes
- Department of Environmental Science, Baylor University, Waco, TX 76798, USA; Institute of Biomedical Sciences, Baylor University, Waco, TX 76798, USA.
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27
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Metzler S, Kirchner J, Grasse AV, Cremer S. Trade-offs between immunity and competitive ability in fighting ant males. BMC Ecol Evol 2023; 23:37. [PMID: 37550612 PMCID: PMC10405452 DOI: 10.1186/s12862-023-02137-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 06/16/2023] [Indexed: 08/09/2023] Open
Abstract
BACKGROUND Fighting disease while fighting rivals exposes males to constraints and trade-offs during male-male competition. We here tested how both the stage and intensity of infection with the fungal pathogen Metarhizium robertsii interfere with fighting success in Cardiocondyla obscurior ant males. Males of this species have evolved long lifespans during which they can gain many matings with the young queens of the colony, if successful in male-male competition. Since male fights occur inside the colony, the outcome of male-male competition can further be biased by interference of the colony's worker force. RESULTS We found that severe, but not yet mild, infection strongly impaired male fighting success. In late-stage infection, this could be attributed to worker aggression directed towards the infected rather than the healthy male and an already very high male morbidity even in the absence of fighting. Shortly after pathogen exposure, however, male mortality was particularly increased during combat. Since these males mounted a strong immune response, their reduced fighting success suggests a trade-off between immune investment and competitive ability already early in the infection. Even if the males themselves showed no difference in the number of attacks they raised against their healthy rivals across infection stages and levels, severely infected males were thus losing in male-male competition from an early stage of infection on. CONCLUSIONS Males of the ant C. obscurior have a well-developed immune system that raises a strong immune response very fast after fungal exposure. This allows them to cope with mild pathogen exposures without compromising their success in male-male competition, and hence to gain multiple mating opportunities with the emerging virgin queens of the colony. Under severe infection, however, they are weak fighters and rarely survive a combat already at early infection when raising an immune response, as well as at progressed infection, when they are morbid and preferentially targeted by worker aggression. Workers thereby remove males that pose a future disease threat by biasing male-male competition. Our study thus reveals a novel social immunity mechanism how social insect workers protect the colony against disease risk.
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Affiliation(s)
- Sina Metzler
- ISTA (Institute of Science and Technology Austria), Am Campus 1, Klosterneuburg, 3400, Austria
| | - Jessica Kirchner
- ISTA (Institute of Science and Technology Austria), Am Campus 1, Klosterneuburg, 3400, Austria
| | - Anna V Grasse
- ISTA (Institute of Science and Technology Austria), Am Campus 1, Klosterneuburg, 3400, Austria
| | - Sylvia Cremer
- ISTA (Institute of Science and Technology Austria), Am Campus 1, Klosterneuburg, 3400, Austria.
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Korzun T, Moses AS, Diba P, Sattler AL, Taratula OR, Sahay G, Taratula O, Marks DL. From Bench to Bedside: Implications of Lipid Nanoparticle Carrier Reactogenicity for Advancing Nucleic Acid Therapeutics. Pharmaceuticals (Basel) 2023; 16:1088. [PMID: 37631003 PMCID: PMC10459564 DOI: 10.3390/ph16081088] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 07/24/2023] [Accepted: 07/26/2023] [Indexed: 08/27/2023] Open
Abstract
In biomedical applications, nanomaterial-based delivery vehicles, such as lipid nanoparticles, have emerged as promising instruments for improving the solubility, stability, and encapsulation of various payloads. This article provides a formal review focusing on the reactogenicity of empty lipid nanoparticles used as delivery vehicles, specifically emphasizing their application in mRNA-based therapies. Reactogenicity refers to the adverse immune responses triggered by xenobiotics, including administered lipid nanoparticles, which can lead to undesirable therapeutic outcomes. The key components of lipid nanoparticles, which include ionizable lipids and PEG-lipids, have been identified as significant contributors to their reactogenicity. Therefore, understanding the relationship between lipid nanoparticles, their structural constituents, cytokine production, and resultant reactogenic outcomes is essential to ensure the safe and effective application of lipid nanoparticles in mRNA-based therapies. Although efforts have been made to minimize these adverse reactions, further research and standardization are imperative. By closely monitoring cytokine profiles and assessing reactogenic manifestations through preclinical and clinical studies, researchers can gain valuable insights into the reactogenic effects of lipid nanoparticles and develop strategies to mitigate undesirable reactions. This comprehensive review underscores the importance of investigating lipid nanoparticle reactogenicity and its implications for the development of mRNA-lipid nanoparticle therapeutics in various applications beyond vaccine development.
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Affiliation(s)
- Tetiana Korzun
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, 2730 S Moody Avenue, Portland, OR 97201, USA; (T.K.)
- Department of Biomedical Engineering, Oregon Health & Science University, 3303 SW Bond Avenue, Portland, OR 97239, USA
- Medical Scientist Training Program, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA
- Papé Family Pediatric Research Institute, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, Portland, OR 97239, USA
| | - Abraham S. Moses
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, 2730 S Moody Avenue, Portland, OR 97201, USA; (T.K.)
| | - Parham Diba
- Medical Scientist Training Program, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA
- Papé Family Pediatric Research Institute, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, Portland, OR 97239, USA
| | - Ariana L. Sattler
- Papé Family Pediatric Research Institute, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, Portland, OR 97239, USA
- Knight Cancer Institute, Oregon Health & Science University, 2720 S Moody Avenue, Portland, OR 97201, USA
- Brenden-Colson Center for Pancreatic Care, Oregon Health & Science University, 2730 S Moody Avenue, Portland, OR 97201, USA
| | - Olena R. Taratula
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, 2730 S Moody Avenue, Portland, OR 97201, USA; (T.K.)
| | - Gaurav Sahay
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, 2730 S Moody Avenue, Portland, OR 97201, USA; (T.K.)
| | - Oleh Taratula
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, 2730 S Moody Avenue, Portland, OR 97201, USA; (T.K.)
- Department of Biomedical Engineering, Oregon Health & Science University, 3303 SW Bond Avenue, Portland, OR 97239, USA
| | - Daniel L. Marks
- Papé Family Pediatric Research Institute, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, Portland, OR 97239, USA
- Knight Cancer Institute, Oregon Health & Science University, 2720 S Moody Avenue, Portland, OR 97201, USA
- Brenden-Colson Center for Pancreatic Care, Oregon Health & Science University, 2730 S Moody Avenue, Portland, OR 97201, USA
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Malon M, Jensen A, Zimakoff AC, Vittrup DM, Lind I, Sørensen JK, Jørgensen NR, Stensballe LG, Svensson J. Hair cortisol is not associated with reactogenicity after MMR-vaccination in 6-month-old infants. Brain Behav Immun Health 2023; 30:100626. [PMID: 37188320 PMCID: PMC10176151 DOI: 10.1016/j.bbih.2023.100626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 04/17/2023] [Accepted: 04/21/2023] [Indexed: 05/17/2023] Open
Affiliation(s)
- Michelle Malon
- The Child and Adolescent Clinic, The Juliane Marie Center, The Danish National University Hospital “Rigshospitalet”, Denmark
- Corresponding author. The Child and Adolescent Clinic, The Juliane Marie Center, The Danish National University Hospital “Rigshospitalet”, Denmark.
| | - Andreas Jensen
- The Child and Adolescent Clinic, The Juliane Marie Center, The Danish National University Hospital “Rigshospitalet”, Denmark
| | - Anne Cathrine Zimakoff
- The Child and Adolescent Clinic, The Juliane Marie Center, The Danish National University Hospital “Rigshospitalet”, Denmark
| | - Dorthe Maria Vittrup
- The Pediatric and Adolescent Department, Copenhagen University Hospital, Herlev, Gentofte, Denmark
| | - Ida Lind
- Department of Neonatology, The Juliane Marie Center, The Danish National University Hospital “Rigshospitalet”, Denmark
| | - Jesper Kiehn Sørensen
- The Child and Adolescent Clinic, The Juliane Marie Center, The Danish National University Hospital “Rigshospitalet”, Denmark
| | - Niklas Rye Jørgensen
- Department of Clinical Biochemistry, Centre of Diagnostic Investigations, The Danish National University Hospital Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Lone Graff Stensballe
- The Child and Adolescent Clinic, The Juliane Marie Center, The Danish National University Hospital “Rigshospitalet”, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jannet Svensson
- The Pediatric and Adolescent Department, Copenhagen University Hospital, Herlev, Gentofte, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Steno Diabetes Center Copenhagen, Herlev, Denmark
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Chishom TA, Andersen ES, Juan HY, Lele S, Coots LB, Mountziaris PM. Impact of Intraoperative Hypothermia on Autologous Breast Reconstruction. Ann Plast Surg 2023; 90:S342-S349. [PMID: 36752540 DOI: 10.1097/sap.0000000000003458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
OBJECTIVE Studies have identified perioperative hypothermia as a risk factor for impaired wound healing, increased hospital length of stay, and surgical site infection. This study examines the effect of intraoperative hypothermia on postoperative outcomes in autologous microvascular free flap breast reconstruction. METHODS This was a retrospective review of 55 patients who experienced intraoperative hypothermia, defined as less than 35.0°C core body temperature and 99 normothermic patients who underwent autologous-based microvascular free flap breast reconstruction from 2013 to 2021. Demographics, comorbidities, smoking status, intraoperative warming devices, type of autologous reconstruction, hypothermia (and its duration), and length of surgery were collected. The outcomes assessed were infection rate, reoperation within 90 days, skin necrosis, wound healing complications, hematoma, seroma, and readmission within 90 days. RESULTS In the study population of 154 consecutive patients, 8.4% had type 1 or type 2 diabetes and 3.2% were current smokers. A total of 90.3% of patients (139) underwent deep inferior epigastric perforator flap reconstruction, 7.1% (11) superficial inferior epigastric artery flap reconstruction, and 4 (2.6%) another free flap type. A total of 35.7% of the patients (55) experienced intraoperative hypothermia defined as less than 35.0°C. In the hypothermic group, a higher proportion of patients had wound healing complications (52.7% vs 29.3%, P < 0.05), hematoma (16.4% vs 5.1%, P < 0.05), and readmission for postoperative complications (34.5% vs 14.1%, P < 0.05). There was also a trend toward higher incidence of seroma (7.3% vs 5.1%), surgical site infection (12.7% vs 9.1%), skin necrosis (12.7% vs 9.1%), and unplanned reoperation within 90 days (10.9% vs 7.1%). Further analysis via Firth logistic regression demonstrated intraoperative hypothermia predicted postoperative hematoma (odds ratio [OR], 3.68; 95% confidence interval [CI], 1.17-11.60; P < 0.05), readmission within 90 days (OR, 3.20; 95% CI, 1.45-7.08; P < 0.05), and wound healing complications (OR, 2.69; 95% CI, 1.36-5.33; P < 0.05). CONCLUSIONS This study demonstrates that intraoperative hypothermia is a significant risk factor for postoperative wound healing complications, hematoma, and readmission within 90 days in autologous breast reconstruction. Because of a finite amount of donor sites, it is important to find ways to minimize the risk of postoperative complications. Our results support that maintaining strict normothermia during autologous breast reconstruction can significantly improve patient outcomes and reduce morbidity.
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Affiliation(s)
- Taylor A Chishom
- From the Division of Plastic and Reconstructive Surgery, Virginia Commonwealth University Health System; and Virginia Commonwealth University School of Medicine, Richmond, VA
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31
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Dong B, Qi Y, Sundas H, Yang R, Zhou J, Li Z. Soy protein increases cognitive level in mice by modifying hippocampal nerve growth, oxidative stress, and intestinal microbiota. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:4085-4094. [PMID: 36514948 DOI: 10.1002/jsfa.12388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 12/07/2022] [Accepted: 12/14/2022] [Indexed: 05/03/2023]
Abstract
BACKGROUND Three kinds of diet containing chicken protein isolate (CPI), bovine milk protein isolate (BMPI), and soy protein isolate (SPI), respectively, were designed to investigate the influences of proteins on cognitive levels and related mechanisms in mice. RESULTS A Morris water maze (MWM) test showed that the SPI group had a higher cognitive level than the BMPI group. Immunohistochemical staining and chemical analysis of the hippocampus showed that the SPI group had higher synaptophysin expression, doublecortin-positive cell proportion, superoxide dismutase activity, and lower malondialdehyde content compared with the BMPI group. The same parameters in the CPI group were between those of the BMPI and SPI groups. Microbiome sequencing indicated that the three groups differed significantly at the phylum, genus, and species levels, with higher microbial alpha diversity in the CPI and SPI groups. The association of intestinal microbiota with cognitive improvement was also assessed. The present study suggests that soy protein may increase cognitive function by the gut-brain axis. CONCLUSION In contrast with CPI and BMPI, SPI had a better effect on improving the cognitive level in mice, which was achieved through the regulation of hippocampal neural growth, oxidative stress, and intestinal microbiota. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Beijia Dong
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Yuanjin Qi
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Hina Sundas
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Ruiqi Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Jie Zhou
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Zhicheng Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
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Jagot F, Gaston-Breton R, Choi AJ, Pascal M, Bourhy L, Dorado-Doncel R, Conzelmann KK, Lledo PM, Lepousez G, Eberl G. The parabrachial nucleus elicits a vigorous corticosterone feedback response to the pro-inflammatory cytokine IL-1β. Neuron 2023:S0896-6273(23)00382-3. [PMID: 37279750 DOI: 10.1016/j.neuron.2023.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/13/2023] [Accepted: 05/10/2023] [Indexed: 06/08/2023]
Abstract
The central nervous system regulates systemic immune responses by integrating the physiological and behavioral constraints faced by an individual. Corticosterone (CS), the release of which is controlled in the hypothalamus by the paraventricular nucleus (PVN), is a potent negative regulator of immune responses. Using the mouse model, we report that the parabrachial nucleus (PB), an important hub linking interoceptive afferent information to autonomic and behavioral responses, also integrates the pro-inflammatory cytokine IL-1β signal to induce the CS response. A subpopulation of PB neurons, directly projecting to the PVN and receiving inputs from the vagal complex (VC), responds to IL-1β to drive the CS response. Pharmacogenetic reactivation of these IL-1β-activated PB neurons is sufficient to induce CS-mediated systemic immunosuppression. Our findings demonstrate an efficient brainstem-encoded modality for the central sensing of cytokines and the regulation of systemic immune responses.
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Affiliation(s)
- Ferdinand Jagot
- Institut Pasteur, Université de Paris Cité, Inserm U1224, Microenvironment and Immunity Unit, 75015 Paris, France; Institut Pasteur, Université de Paris Cité, CNRS UMR 3571, Perception and Memory Unit, 75015 Paris, France; PhD Program, Ecole Doctorale Bio Sorbonne Paris Cité (BioSpc), Université de Paris Cité, 75005 Paris, France.
| | - Romane Gaston-Breton
- Institut Pasteur, Université de Paris Cité, Inserm U1224, Microenvironment and Immunity Unit, 75015 Paris, France
| | - Ana Jeemin Choi
- Institut Pasteur, Université de Paris Cité, Inserm U1224, Microenvironment and Immunity Unit, 75015 Paris, France; PhD Program, Ecole Doctorale Bio Sorbonne Paris Cité (BioSpc), Université de Paris Cité, 75005 Paris, France
| | - Maud Pascal
- Institut Pasteur, Université de Paris Cité, Inserm U1224, Microenvironment and Immunity Unit, 75015 Paris, France; Institut Pasteur, Université de Paris Cité, CNRS UMR 3571, Perception and Memory Unit, 75015 Paris, France
| | - Lena Bourhy
- Institut Pasteur, Université de Paris Cité, CNRS UMR 3571, Perception and Memory Unit, 75015 Paris, France
| | - Romane Dorado-Doncel
- Institut Pasteur, Université de Paris Cité, Inserm U1224, Microenvironment and Immunity Unit, 75015 Paris, France
| | - Karl-Klaus Conzelmann
- Max von Pettenkofer Institute of Virology, Medical Faculty and Gene Center, LMU Munich, 81377 Munich, Germany
| | - Pierre-Marie Lledo
- Institut Pasteur, Université de Paris Cité, CNRS UMR 3571, Perception and Memory Unit, 75015 Paris, France
| | - Gabriel Lepousez
- Institut Pasteur, Université de Paris Cité, CNRS UMR 3571, Perception and Memory Unit, 75015 Paris, France
| | - Gérard Eberl
- Institut Pasteur, Université de Paris Cité, Inserm U1224, Microenvironment and Immunity Unit, 75015 Paris, France.
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Scatà C, Carandina A, Della Torre A, Arosio B, Bellocchi C, Dias Rodrigues G, Furlan L, Tobaldini E, Montano N. Social Isolation: A Narrative Review on the Dangerous Liaison between the Autonomic Nervous System and Inflammation. Life (Basel) 2023; 13:1229. [PMID: 37374012 DOI: 10.3390/life13061229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 05/18/2023] [Indexed: 06/29/2023] Open
Abstract
Social isolation and feelings of loneliness are related to higher mortality and morbidity. Evidence from studies conducted during space missions, in space analogs, and during the COVID-19 pandemic underline the possible role of the autonomic nervous system in mediating this relation. Indeed, the activation of the sympathetic branch of the autonomic nervous system enhances the cardiovascular response and activates the transcription of pro-inflammatory genes, which leads to a stimulation of inflammatory activation. This response is adaptive in the short term, in that it allows one to cope with a situation perceived as a threat, but in the long term it has detrimental effects on mental and physical health, leading to mood deflection and an increased risk of cardiovascular disease, as well as imbalances in immune system activation. The aim of this narrative review is to present the contributions from space studies and insights from the lockdown period on the relationship between social isolation and autonomic nervous system activation, focusing on cardiovascular impairment and immune imbalance. Knowing the pathophysiological mechanisms underlying this relationship is important as it enables us to structure effective countermeasures for the new challenges that lie ahead: the lengthening of space missions and Mars exploration, the specter of future pandemics, and the aging of the population.
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Affiliation(s)
- Costanza Scatà
- Department of Internal Medicine, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Angelica Carandina
- Department of Internal Medicine, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Alice Della Torre
- Department of Internal Medicine, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Beatrice Arosio
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Chiara Bellocchi
- Department of Internal Medicine, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Gabriel Dias Rodrigues
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Ludovico Furlan
- Department of Internal Medicine, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Eleonora Tobaldini
- Department of Internal Medicine, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Nicola Montano
- Department of Internal Medicine, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
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Costello A, Linning-Duffy K, Vandenbrook C, Lonstein JS, Yan L. Daytime Light Deficiency Leads to Sex- and Brain Region-Specific Neuroinflammatory Responses in a Diurnal Rodent. Cell Mol Neurobiol 2023; 43:1369-1384. [PMID: 35864429 PMCID: PMC10635710 DOI: 10.1007/s10571-022-01256-x] [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: 03/15/2022] [Accepted: 07/07/2022] [Indexed: 11/30/2022]
Abstract
Seasonal changes in peripheral inflammation are well documented in both humans and animal models, but seasonal changes in neuroinflammation, especially the impact of seasonal lighting environment on neuroinflammation remain unclear. To address this question, the present study examined the effects of environmental lighting conditions on neuroinflammation in a diurnal rodent model, Nile grass rats (Arvicanthis niloticus). Male and female grass rats were housed in either bright (brLD) or dim (dimLD) light during the day to simulate a summer or winter light condition, respectively. After 4 weeks, microglia markers Iba-1 and CD11b, as well as pro-inflammatory cytokines TNF-α and IL-6, were examined in the anterior cingulate cortex (ACC), basolateral amygdala (BLA), and dorsal hippocampus (dHipp). The results revealed that winter-like dim light during the day leads to indicators of increased neuroinflammation in a brain site- and sex-specific manner. Specifically, relatively few changes in the neuroinflammatory markers were observed in the ACC, while numerous changes were found in the BLA and dHipp. In the BLA, winter-like dimLD resulted in hyper-ramified microglia morphology and increased expression of the pro-inflammatory cytokine IL-6, but only in males. In the dHipp, dimLD led to a higher number and hyper-ramified morphology of microglia as well as increased expression of CD11b and TNF-α, but only in females. Neuroinflammatory state is thus influenced by environmental light, differently in males and females, and could play a role in sex differences in the prevalence and symptoms of psychiatric or neurological disorders that are influenced by season or other environmental light conditions. Diurnal Nile grass rats were housed under bright or dim light during the day for 4 weeks, simulating seasonal fluctuations in daytime lighting environment. Dim light housing resulted in hyper-ramified morphology of microglia (scale bar, 15 μm) and altered expression of pro-inflammatory cytokines (TNF-α) in a sex- and brain region-specific manner.
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Affiliation(s)
- Allison Costello
- Behavioral Neuroscience Program, Department of Psychology, Michigan State University, 766, Service Road, East Lansing, MI, 48824, USA
| | - Katrina Linning-Duffy
- Behavioral Neuroscience Program, Department of Psychology, Michigan State University, 766, Service Road, East Lansing, MI, 48824, USA
| | - Carleigh Vandenbrook
- Behavioral Neuroscience Program, Department of Psychology, Michigan State University, 766, Service Road, East Lansing, MI, 48824, USA
| | - Joseph S Lonstein
- Behavioral Neuroscience Program, Department of Psychology, Michigan State University, 766, Service Road, East Lansing, MI, 48824, USA
- Neuroscience Program, Michigan State University, East Lansing, MI, 48824, USA
| | - Lily Yan
- Behavioral Neuroscience Program, Department of Psychology, Michigan State University, 766, Service Road, East Lansing, MI, 48824, USA.
- Neuroscience Program, Michigan State University, East Lansing, MI, 48824, USA.
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Loh MK, Stickling C, Schrank S, Hanshaw M, Ritger AC, Dilosa N, Finlay J, Ferrara NC, Rosenkranz JA. Liposaccharide-induced sustained mild inflammation fragments social behavior and alters basolateral amygdala activity. Psychopharmacology (Berl) 2023; 240:647-671. [PMID: 36645464 DOI: 10.1007/s00213-023-06308-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 01/02/2023] [Indexed: 01/17/2023]
Abstract
RATIONALE Conditions with sustained low-grade inflammation have high comorbidity with depression and anxiety and are associated with social withdrawal. The basolateral amygdala (BLA) is critical for affective and social behaviors and is sensitive to inflammatory challenges. Large systemic doses of lipopolysaccharide (LPS) initiate peripheral inflammation, increase BLA neuronal activity, and disrupt social and affective measures in rodents. However, LPS doses commonly used in behavioral studies are high enough to evoke sickness syndrome, which can confound interpretation of amygdala-associated behaviors. OBJECTIVES AND METHODS The objectives of this study were to find a LPS dose that triggers mild peripheral inflammation but not observable sickness syndrome in adult male rats, to test the effects of sustained mild inflammation on BLA and social behaviors. To accomplish this, we administered single doses of LPS (0-100 μg/kg, intraperitoneally) and measured open field behavior, or repeated LPS (5 μg/kg, 3 consecutive days), and measured BLA neuronal firing, social interaction, and elevated plus maze behavior. RESULTS Repeated low-dose LPS decreased BLA neuron firing rate but increased the total number of active BLA neurons. Repeated low-dose LPS also caused early disengagement during social bouts and less anogenital investigation and an overall pattern of heightened social caution associated with reduced gain of social familiarity over the course of a social session. CONCLUSIONS These results provide evidence for parallel shifts in social interaction and amygdala activity caused by prolonged mild inflammation. This effect of inflammation may contribute to social symptoms associated with comorbid depression and chronic inflammatory conditions.
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Affiliation(s)
- Maxine K Loh
- Discipline of Cellular and Molecular Pharmacology, Department of Foundational Sciences and Humanities, Chicago Medical School, Rosalind Franklin University of Medicine and Science, IL, 60064, North Chicago, USA.,Center for Neurobiology of Stress Resilience and Psychiatric Disorders, Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
| | - Courtney Stickling
- Center for Neurobiology of Stress Resilience and Psychiatric Disorders, Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
| | - Sean Schrank
- Discipline of Cellular and Molecular Pharmacology, Department of Foundational Sciences and Humanities, Chicago Medical School, Rosalind Franklin University of Medicine and Science, IL, 60064, North Chicago, USA.,Discipline of Neuroscience, Department of Foundational Sciences and Humanities, Chicago Medical School, Rosalind Franklin University of Medicine and Science, IL, North Chicago, USA
| | - Madison Hanshaw
- Discipline of Cellular and Molecular Pharmacology, Department of Foundational Sciences and Humanities, Chicago Medical School, Rosalind Franklin University of Medicine and Science, IL, 60064, North Chicago, USA.,Center for Neurobiology of Stress Resilience and Psychiatric Disorders, Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
| | - Alexandra C Ritger
- Discipline of Cellular and Molecular Pharmacology, Department of Foundational Sciences and Humanities, Chicago Medical School, Rosalind Franklin University of Medicine and Science, IL, 60064, North Chicago, USA.,Discipline of Neuroscience, Department of Foundational Sciences and Humanities, Chicago Medical School, Rosalind Franklin University of Medicine and Science, IL, North Chicago, USA
| | - Naijila Dilosa
- Center for Neurobiology of Stress Resilience and Psychiatric Disorders, Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
| | - Joshua Finlay
- Center for Neurobiology of Stress Resilience and Psychiatric Disorders, Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
| | - Nicole C Ferrara
- Discipline of Cellular and Molecular Pharmacology, Department of Foundational Sciences and Humanities, Chicago Medical School, Rosalind Franklin University of Medicine and Science, IL, 60064, North Chicago, USA.,Center for Neurobiology of Stress Resilience and Psychiatric Disorders, Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
| | - J Amiel Rosenkranz
- Discipline of Cellular and Molecular Pharmacology, Department of Foundational Sciences and Humanities, Chicago Medical School, Rosalind Franklin University of Medicine and Science, IL, 60064, North Chicago, USA. .,Center for Neurobiology of Stress Resilience and Psychiatric Disorders, Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA.
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36
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Bower KL, Shilling DM, Bonnes SL, Shah A, Lawson CM, Collier BR, Whitehead PB. Ethical Implications of Nutrition Therapy at the End of Life. Curr Gastroenterol Rep 2023; 25:69-74. [PMID: 36862286 DOI: 10.1007/s11894-023-00862-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/03/2023] [Indexed: 03/03/2023]
Abstract
PURPOSE OF REVIEW Provide an evidence-based resource to inform ethically sound recommendations regarding end of life nutrition therapy. RECENT FINDINGS • Some patients with a reasonable performance status can temporarily benefit from medically administered nutrition and hydration(MANH) at the end of life. • MANH is contraindicated in advanced dementia. • MANH eventually becomes nonbeneficial or harmful in terms of survival, function, and comfort for all patients at end of life. • Shared decision-making is a practice based on relational autonomy, and the ethical gold standard in end of life decisions. A treatment should be offered if there is expectation of benefit, but clinicians are not obligated to offer non-beneficial treatments. A decision to proceed or not should be based on the patient's values and preferences, a discussion of all potential outcomes, prognosis for given outcomes taking into consideration disease trajectory and functional status, and physician guidance provided in the form of a recommendation.
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Affiliation(s)
- Katie L Bower
- Carilion Clinic, Department of Surgery, Virginia Tech Carilion School of Medicine, 1906 Belleview Ave., Roanoke, VA, 24014, USA. .,Carilion Clinic Palliative Medicine, Virginia Tech Carilion School of Medicine, 1906 Belleview Ave, Roanoke, VA, 24014, USA.
| | - Danielle M Shilling
- Mayo Clinic, Department of Internal Medicine, Mayo Clinic College of Medicine, Rochester, MN, USA
| | - Sara L Bonnes
- Mayo Clinic, Department of Internal Medicine, Mayo Clinic College of Medicine, Rochester, MN, USA
| | - Apeksha Shah
- Cooper University Health Care, Cooper Medical School of Rowan University Digestive Health Institute, Camden, NJ, USA
| | - Christy M Lawson
- Division of Trauma and Critical Care Surgery, Univeristy of Tennessee, Knoxville, TN, USA
| | - Bryan R Collier
- Carilion Clinic, Department of Surgery, Virginia Tech Carilion School of Medicine, 1906 Belleview Ave., Roanoke, VA, 24014, USA
| | - Phyllis B Whitehead
- Carilion Clinic Palliative Medicine, Virginia Tech Carilion School of Medicine, 1906 Belleview Ave, Roanoke, VA, 24014, USA
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Roy S, Arif Ansari M, Choudhary K, Singh S. NLRP3 inflammasome in depression: A review. Int Immunopharmacol 2023; 117:109916. [PMID: 36827927 DOI: 10.1016/j.intimp.2023.109916] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/16/2023] [Accepted: 02/16/2023] [Indexed: 02/25/2023]
Abstract
The present article provides a detailed concept of the role of NLRP3 inflammasome in the pathophysiology of depression-like chronic diseases where inflammation and release of various cytokines plays a pivotal role in exaggerating the condition. The various pathways involved in NLRP3 activation are the main target of NLRP3 inhibitors for the therapeutic management of depression as per the recent clinical and research studies conducted so far. Further various drug inhibitors for NLRP3 available in preclinical and clinical trials have been discussed in detail. Hence, blockage of the action of NLRP3 inflammasome is crucial to anticipate the inflammatory cytokine release from the mediators that contributes to cause depression.
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Affiliation(s)
- Salona Roy
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Hajipur, Bihar, India
| | - Md Arif Ansari
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Hajipur, Bihar, India
| | - Khushboo Choudhary
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Hajipur, Bihar, India
| | - Sanjiv Singh
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Hajipur, Bihar, India.
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38
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Hughes FM, Odom MR, Cervantes A, Livingston AJ, Purves JT. Why Are Some People with Lower Urinary Tract Symptoms (LUTS) Depressed? New Evidence That Peripheral Inflammation in the Bladder Causes Central Inflammation and Mood Disorders. Int J Mol Sci 2023; 24:2821. [PMID: 36769140 PMCID: PMC9917564 DOI: 10.3390/ijms24032821] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 01/27/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
Anecdotal evidence has long suggested that patients with lower urinary tract symptoms (LUTS) develop mood disorders, such as depression and anxiety, at a higher rate than the general population and recent prospective studies have confirmed this link. Breakthroughs in our understanding of the diseases underlying LUTS have shown that many have a substantial inflammatory component and great strides have been made recently in our understanding of how this inflammation is triggered. Meanwhile, studies on mood disorders have found that many are associated with central neuroinflammation, most notably in the hippocampus. Excitingly, work on other diseases characterized by peripheral inflammation has shown that they can trigger central neuroinflammation and mood disorders. In this review, we discuss the current evidence tying LUTS to mood disorders, its possible bidirectionally, and inflammation as a common mechanism. We also review modern theories of inflammation and depression. Finally, we discuss exciting new animal studies that directly tie two bladder conditions characterized by extensive bladder inflammation (cyclophosphamide-induced hemorrhagic cystitis and bladder outlet obstruction) to neuroinflammation and depression. We conclude with a discussion of possible mechanisms by which peripheral inflammation is translated into central neuroinflammation with the resulting psychiatric concerns.
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Affiliation(s)
- Francis M. Hughes
- Department Urology, Duke University Medical Center, P.O. Box 3831, Durham, NC 27710, USA
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Essadek S, Gondcaille C, Savary S, Samadi M, Vamecq J, Lizard G, Kebbaj RE, Latruffe N, Benani A, Nasser B, Cherkaoui-Malki M, Andreoletti P. Two Argan Oil Phytosterols, Schottenol and Spinasterol, Attenuate Oxidative Stress and Restore LPS-Dysregulated Peroxisomal Functions in Acox1-/- and Wild-Type BV-2 Microglial Cells. Antioxidants (Basel) 2023; 12:168. [PMID: 36671029 PMCID: PMC9854540 DOI: 10.3390/antiox12010168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/27/2022] [Accepted: 01/04/2023] [Indexed: 01/12/2023] Open
Abstract
Oxidative stress and inflammation are the key players in neuroinflammation, in which microglia dysfunction plays a central role. Previous studies suggest that argan oil attenuates oxidative stress, inflammation, and peroxisome dysfunction in mouse brains. In this study, we explored the effects of two major argan oil (AO) phytosterols, Schottenol (Schot) and Spinasterol (Spina), on oxidative stress, inflammation, and peroxisomal dysfunction in two murine microglial BV-2 cell lines, wild-ype (Wt) and Acyl-CoA oxidase 1 (Acox1)-deficient cells challenged with LPS treatment. Herein, we used an MTT test to reveal no cytotoxicity for both phytosterols with concentrations up to 5 µM. In the LPS-activated microglial cells, cotreatment with each of these phytosterols caused a significant decrease in intracellular ROS production and the NO level released in the culture medium. Additionally, Schot and Spina were able to attenuate the LPS-dependent strong induction of Il-1β and Tnf-α mRNA levels, as well as the iNos gene and protein expression in both Wt and Acox1-/- microglial cells. On the other hand, LPS treatment impacted both the peroxisomal antioxidant capacity and the fatty acid oxidation pathway. However, both Schot and Spina treatments enhanced ACOX1 activity in the Wt BV-2 cells and normalized the catalase activity in both Wt and Acox1-/- microglial cells. These data suggest that Schot and Spina can protect cells from oxidative stress and inflammation and their harmful consequences for peroxisomal functions and the homeostasis of microglial cells. Collectively, our work provides a compelling argument for the protective mechanisms of two major argan oil phytosterols against LPS-induced brain neuroinflammation.
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Affiliation(s)
- Soukaina Essadek
- Laboratory of Biochimistry, Neuroscience, Natural Resources and Environment, Faculty of Science and Technology, University Hassan I, Settat 26000, Morocco
- Bio-PeroxIL Laboratory, EA7270, University Bourgogne Franche-Comté/Inserm, 6 Boulevard Gabriel, 21000 Dijon, France
| | - Catherine Gondcaille
- Bio-PeroxIL Laboratory, EA7270, University Bourgogne Franche-Comté/Inserm, 6 Boulevard Gabriel, 21000 Dijon, France
| | - Stéphane Savary
- Bio-PeroxIL Laboratory, EA7270, University Bourgogne Franche-Comté/Inserm, 6 Boulevard Gabriel, 21000 Dijon, France
| | - Mohammad Samadi
- Laboratory of Chemistry and Physics Multi-Scale Approach to Complex Environments, Department of Chemistry, University Lorraine, 57070 Metz, France
| | - Joseph Vamecq
- Inserm and HMNO, CBP, CHRU Lille, and RADEME EA 7364, Faculté de Médecine, Université de Lille 2, 59045 Lille, France
| | - Gérard Lizard
- Bio-PeroxIL Laboratory, EA7270, University Bourgogne Franche-Comté/Inserm, 6 Boulevard Gabriel, 21000 Dijon, France
| | - Riad El Kebbaj
- Laboratory of Health Sciences and Technologies, Higher Institute of Health Sciences, Hassan 1st University, Settat 26000, Morocco
| | - Norbert Latruffe
- Bio-PeroxIL Laboratory, EA7270, University Bourgogne Franche-Comté/Inserm, 6 Boulevard Gabriel, 21000 Dijon, France
| | - Alexandre Benani
- CSGA—Centre des Sciences du Goût et de l’Alimentation, CNRS—Centre National de la Recherche Scientifique, INRAE—Institut National de Recherche pour L’agriculture, L’alimentation et L’environnement, Institut Agro Dijon, University Bourgogne Franche-Comté, 21000 Dijon, France
| | - Boubker Nasser
- Laboratory of Biochimistry, Neuroscience, Natural Resources and Environment, Faculty of Science and Technology, University Hassan I, Settat 26000, Morocco
| | - Mustapha Cherkaoui-Malki
- Bio-PeroxIL Laboratory, EA7270, University Bourgogne Franche-Comté/Inserm, 6 Boulevard Gabriel, 21000 Dijon, France
| | - Pierre Andreoletti
- Bio-PeroxIL Laboratory, EA7270, University Bourgogne Franche-Comté/Inserm, 6 Boulevard Gabriel, 21000 Dijon, France
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40
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Sterner RC, Sterner RM. Immune response following traumatic spinal cord injury: Pathophysiology and therapies. Front Immunol 2023; 13:1084101. [PMID: 36685598 PMCID: PMC9853461 DOI: 10.3389/fimmu.2022.1084101] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 12/19/2022] [Indexed: 01/09/2023] Open
Abstract
Traumatic spinal cord injury (SCI) is a devastating condition that is often associated with significant loss of function and/or permanent disability. The pathophysiology of SCI is complex and occurs in two phases. First, the mechanical damage from the trauma causes immediate acute cell dysfunction and cell death. Then, secondary mechanisms of injury further propagate the cell dysfunction and cell death over the course of days, weeks, or even months. Among the secondary injury mechanisms, inflammation has been shown to be a key determinant of the secondary injury severity and significantly worsens cell death and functional outcomes. Thus, in addition to surgical management of SCI, selectively targeting the immune response following SCI could substantially decrease the progression of secondary injury and improve patient outcomes. In order to develop such therapies, a detailed molecular understanding of the timing of the immune response following SCI is necessary. Recently, several studies have mapped the cytokine/chemokine and cell proliferation patterns following SCI. In this review, we examine the immune response underlying the pathophysiology of SCI and assess both current and future therapies including pharmaceutical therapies, stem cell therapy, and the exciting potential of extracellular vesicle therapy.
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Affiliation(s)
- Robert C. Sterner
- School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
| | - Rosalie M. Sterner
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States,*Correspondence: Rosalie M. Sterner,
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Abstract
Sickness behavior was conceptualized initially as the behavioral counterpart of the fever response to infectious pathogens. It helps to raise body temperature to its higher setpoint and to maintain it at this new level and it has the additional benefit of enabling a weakened organism to protect itself from other dangers. The discovery of the behavioral effects of proinflammatory cytokines produced by activated immune cells provided a cellular and molecular basis to this phenomenon. The administration of cytokines or cytokine inducers like lipopolysaccharide to healthy rodents allowed to reveal the similarities and differences between inflammation-induced sickness behavior and the fever response. It also led to the understanding of how the inflammatory response that is triggered at the periphery can propagate into the brain and induce the behavioral manifestations of sickness. At the behavioral level, the demonstration that sickness behavior is the expression of a motivational state that reorganizes perception and action in face of a microbial pathogen just like fear in face of a predator appeared at first glance to strengthen the adaptive value of this behavior. However, all aspects of sickness behavior are not always favorable for the organism. This is the case for anorexia that is beneficial in the context of bacterial infection but detrimental in the context of viral infection. In addition, studies of sickness behavior in natural conditions revealed that like any other defensive behavior, sickness behavior requires trade-offs between its survival benefits for the sick individual and the costs incurred especially in the context of gregarious groups. Thanks to these studies, evidence is emerging that sickness behavior is much more variable in its expression than initially thought, and that part of this variability depends not only on the pathogen and the social context in which the infection develops but also on individual factors including species, sex, age, nutrition, and physiological status.
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Affiliation(s)
- Robert Dantzer
- Department of Symptom Research, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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42
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Richardson A, Terrazzini N, Gage C, Lee BJ, Bradley R, Watt P, Watkins ER. Inflammatory and psychological consequences of chronic high exposure firefighting. J Therm Biol 2023; 111:103399. [PMID: 36585074 DOI: 10.1016/j.jtherbio.2022.103399] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 10/20/2022] [Accepted: 11/22/2022] [Indexed: 11/27/2022]
Abstract
OBJECTIVES This study aimed to examine the impact of extreme heat exposure frequency on inflammation and well-being in UK Fire Service personnel. METHODS 136 Fire personnel and 14 controls (CON) were recruited [92 Firefighters (FF), 44 Breathing Apparatus Instructors (BAI)]. BAI were split into low (LBAI; ≤15 exposures per month) and high (HBAI; ≥20 exposures per month) categories. Measures of inflammation, mood and fatigue were collected at 0, 3 and 6 month times points. These variables were analysed for differences between groups and association with frequency of exposure. RESULTS HBAI exhibited raised IL-1β, IL-6, IL-10, IgE and lower IgM (p < 0.05). In addition, IL-1β, IL-6, IL-10 and IgM were associated with monthly exposure number, with exposures accounting for 15.4% of the variance in IL-6, 11.8% of IL-1β and 25.2% of IL-10. No differences in mood or fatigue were reported (p > 0.05). CONCLUSION High exposure firefighting consistently causes systemic inflammation without perceptual recognition of potential health risks.
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Affiliation(s)
- Alan Richardson
- Environmental Extremes Group, University of Brighton, UK; Centre for Stress, Aging and Disease, University of Brighton, UK
| | - Nadia Terrazzini
- Centre for Stress, Aging and Disease, University of Brighton, UK
| | - Catherine Gage
- Environmental Extremes Group, University of Brighton, UK
| | - Ben James Lee
- Occupational and Environmental Research Group, Coventry University, UK
| | - Rebecca Bradley
- Centre for Stress, Aging and Disease, University of Brighton, UK
| | - Peter Watt
- Environmental Extremes Group, University of Brighton, UK
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43
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From Low-Grade Inflammation in Osteoarthritis to Neuropsychiatric Sequelae: A Narrative Review. Int J Mol Sci 2022; 23:ijms232416031. [PMID: 36555670 PMCID: PMC9784931 DOI: 10.3390/ijms232416031] [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: 11/14/2022] [Revised: 12/08/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Nowadays, osteoarthritis (OA), a common, multifactorial musculoskeletal disease, is considered to have a low-grade inflammatory pathogenetic component. Lately, neuropsychiatric sequelae of the disease have gained recognition. However, a link between the peripheral inflammatory process of OA and the development of neuropsychiatric pathology is not completely understood. In this review, we provide a narrative that explores the development of neuropsychiatric disease in the presence of chronic peripheral low-grade inflammation with a focus on its signaling to the brain. We describe the development of a pro-inflammatory environment in the OA-affected joint. We discuss inflammation-signaling pathways that link the affected joint to the central nervous system, mainly using primary sensory afferents and blood circulation via circumventricular organs and cerebral endothelium. The review describes molecular and cellular changes in the brain, recognized in the presence of chronic peripheral inflammation. In addition, changes in the volume of gray matter and alterations of connectivity important for the assessment of the efficacy of treatment in OA are discussed in the given review. Finally, the narrative considers the importance of the use of neuropsychiatric diagnostic tools for a disease with an inflammatory component in the clinical setting.
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44
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Anja Juran S, Tognetti A, Lundström JN, Kumar L, Stevenson RJ, Lekander M, Olsson MJ. Disgusting odors trigger the oral immune system. Evol Med Public Health 2022; 11:8-17. [PMID: 36789013 PMCID: PMC9912705 DOI: 10.1093/emph/eoac042] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 11/10/2022] [Indexed: 12/23/2022] Open
Abstract
Recent research has characterized the behavioral defense against disease. In particular the detection of sickness cues, the adaptive reactions (e.g. avoidance) to these cues and the mediating role of disgust have been the focus. A presumably important but less investigated part of a behavioral defense is the immune system response of the observer of sickness cues. Odors are intimately connected to disease and disgust, and research has shown how olfaction conveys sickness cues in both animals and humans. This study aims to test whether odorous sickness cues (i.e. disgusting odors) can trigger a preparatory immune response in humans. We show that subjective and objective disgust measures, as well as TNFα levels in saliva increased immediately after exposure to disgusting odors in a sample of 36 individuals. Altogether, these results suggest a collaboration between behavioral mechanisms of pathogen avoidance in olfaction, mediated by the emotion of disgust, and mechanisms of pathogen elimination facilitated by inflammatory mediators. Disgusting stimuli are associated with an increased risk of infection. We here test whether disgusting odors, can trigger an immune response in the oral cavity. The results indicate an increase level of TNFα in the saliva. This supports that disease cues can trigger a preparatory response in the oral cavity.
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Affiliation(s)
| | - Arnaud Tognetti
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Johan N Lundström
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Lalit Kumar
- Department of Women’s and Children’s Health, Karolinska Institutet, Stockholm, Sweden
| | | | - Mats Lekander
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden,Department of Psychology, Stockholm University, Stockholm, Sweden,Osher Center for Integrative Health, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Mats J Olsson
- Corresponding author: Department of Clinical Neuroscience, Karolinska Institutet, Stockholm SE 17177, Sweden. Tel: +46 707 135205; E-mail:
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45
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Fruekilde SK, Bailey CJ, Lambertsen KL, Clausen BH, Carlsen J, Xu NL, Drasbek KR, Gutiérrez-Jiménez E. Disturbed microcirculation and hyperaemic response in a murine model of systemic inflammation. J Cereb Blood Flow Metab 2022; 42:2303-2317. [PMID: 35999817 PMCID: PMC9670001 DOI: 10.1177/0271678x221112278] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Systemic inflammation affects cognitive functions and increases the risk of dementia. This phenomenon is thought to be mediated in part by cytokines that promote neuronal survival, but the continuous exposure to which may lead to neurodegeneration. The effects of systemic inflammation on cerebral blood vessels, and their provision of adequate oxygen to support critical brain parenchymal cell functions, remains unclear. Here, we demonstrate that neurovascular coupling is profoundly disturbed in lipopolysaccharide (LPS) induced systemic inflammation in awake mice. In the 24 hours following LPS injection, the hyperaemic response of pial vessels to functional activation was attenuated and delayed. Concurrently, under steady-state conditions, the capillary network displayed a significant increase in the number of capillaries with blocked blood flow, as well as increased duration of 'capillary stalls'-a phenomenon previously reported in animal models of stroke and Alzheimer's disease pathology. We speculate that vascular changes and impaired oxygen availability may affect brain functions following acute systemic inflammation and contribute to the long-term risk of neurodegenerative changes associated with chronic, systemic inflammation.
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Affiliation(s)
- Signe Kirk Fruekilde
- Center for Functionally Integrative Neuroscience (CFIN), Department of Clinical Medicine, 1006Aarhus University, Aarhus C, Denmark.,Sino-Danish Center for Education and Research (SDC), University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Christopher J Bailey
- Center for Functionally Integrative Neuroscience (CFIN), Department of Clinical Medicine, 1006Aarhus University, Aarhus C, Denmark.,Sino-Danish Center for Education and Research (SDC), University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Kate Lykke Lambertsen
- Department of Neurobiology Research, Institute of Molecular Medicine, 6174University of Southern Denmark, Odense C, Denmark.,BRIDGE - Brain Research - Inter-Disciplinary Guided Excellence, Department of Clinical Research, 6174University of Southern Denmark, Odense C, Denmark.,Department of Neurology, Odense University Hospital, Odense C, Denmark
| | - Bettina Hjelm Clausen
- Department of Neurobiology Research, Institute of Molecular Medicine, 6174University of Southern Denmark, Odense C, Denmark.,BRIDGE - Brain Research - Inter-Disciplinary Guided Excellence, Department of Clinical Research, 6174University of Southern Denmark, Odense C, Denmark
| | - Jasper Carlsen
- Research Unit for Molecular Medicine (MMF), Department of Clinical Medicine, 1006Aarhus University, Aarhus N, Denmark
| | - Ning-Long Xu
- Sino-Danish Center for Education and Research (SDC), University of Chinese Academy of Sciences, Beijing, P.R. China.,Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, P.R. China
| | - Kim Ryun Drasbek
- Center for Functionally Integrative Neuroscience (CFIN), Department of Clinical Medicine, 1006Aarhus University, Aarhus C, Denmark.,Sino-Danish Center for Education and Research (SDC), University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Eugenio Gutiérrez-Jiménez
- Center for Functionally Integrative Neuroscience (CFIN), Department of Clinical Medicine, 1006Aarhus University, Aarhus C, Denmark
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46
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Nguyen TNB, Ely BA, Pick D, Patel M, Xie H, Kim-Schulze S, Gabbay V. Clenbuterol attenuates immune reaction to lipopolysaccharide and its relationship to anhedonia in adolescents. Brain Behav Immun 2022; 106:89-99. [PMID: 35914697 PMCID: PMC9817216 DOI: 10.1016/j.bbi.2022.07.163] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 07/25/2022] [Accepted: 07/27/2022] [Indexed: 02/01/2023] Open
Abstract
While inflammation has been implicated in psychopathology, relationships between immune-suppressing processes and psychiatric constructs remain elusive. This study sought to assess whether β2-agonist clenbuterol (CBL) would attenuate immune activation in adolescents with mood and anxiety symptoms following ex vivo exposure of whole blood to lipopolysaccharide (LPS). Our focus on adolescents aimed to target a critical developmental period when psychiatric conditions often emerge and prior to chronicity effects. To capture a diverse range of immunologic and symptomatologic phenotypes, we included 97 psychotropic-medication free adolescents with mood and anxiety symptoms and 33 healthy controls. All participants had comprehensive evaluations and dimensional assessments of psychiatric symptoms. Fasting whole-blood samples were collected and stimulated with LPS in the presence and absence of CBL for 6 hours, then analyzed for 41 cytokines, chemokines, and hematopoietic growth factors. Comparison analyses used Bonferroni-corrected nonparametric tests. Levels of nine immune biomarkers-including IL-1RA, IL-1β, IL-6, IP-10, MCP-1, MIP-1α, MIP-1β, TGF-α, and TNF-α-were significantly reduced by CBL treatment compared to LPS alone. Exploratory factor analysis reduced 41 analytes into 5 immune factors in each experimental condition, and their relationships with psychiatric symptoms were examined as a secondary aim. CBL + LPS Factor 4-comprising EGF, PDGF-AA, PDGF-AB/BB, sCD40L, and GRO-significantly correlated with anticipatory and consummatory anhedonia, even after controlling for depression severity. This study supports the possible inhibitory effect of CBL on immune activation. Using a data-driven method, distinctive relationships between CBL-affected immune biomarkers and dimensional anhedonia were reported, further elucidating the role of β2-agonism in adolescent affective symptomatology.
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Affiliation(s)
- Tram N B Nguyen
- Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, Bronx, NY, United States.
| | - Benjamin A Ely
- Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, Bronx, NY, United States.
| | - Danielle Pick
- Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, Bronx, NY, United States.
| | - Manishkumar Patel
- Human Immune Monitoring Center, Icahn School of Medicine at Mount Sinai, New York, NY, United States.
| | - Hui Xie
- Human Immune Monitoring Center, Icahn School of Medicine at Mount Sinai, New York, NY, United States.
| | - Seunghee Kim-Schulze
- Human Immune Monitoring Center, Icahn School of Medicine at Mount Sinai, New York, NY, United States.
| | - Vilma Gabbay
- Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, Bronx, NY, United States; Nathan S. Kline Institute for Psychiatric Research, Orangeburg, NY, United States.
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47
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Drieu A, Du S, Storck SE, Rustenhoven J, Papadopoulos Z, Dykstra T, Zhong F, Kim K, Blackburn S, Mamuladze T, Harari O, Karch CM, Bateman RJ, Perrin R, Farlow M, Chhatwal J, Hu S, Randolph GJ, Smirnov I, Kipnis J. Parenchymal border macrophages regulate the flow dynamics of the cerebrospinal fluid. Nature 2022; 611:585-593. [PMID: 36352225 PMCID: PMC9899827 DOI: 10.1038/s41586-022-05397-3] [Citation(s) in RCA: 105] [Impact Index Per Article: 52.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 09/29/2022] [Indexed: 11/11/2022]
Abstract
Macrophages are important players in the maintenance of tissue homeostasis1. Perivascular and leptomeningeal macrophages reside near the central nervous system (CNS) parenchyma2, and their role in CNS physiology has not been sufficiently well studied. Given their continuous interaction with the cerebrospinal fluid (CSF) and strategic positioning, we refer to these cells collectively as parenchymal border macrophages (PBMs). Here we demonstrate that PBMs regulate CSF flow dynamics. We identify a subpopulation of PBMs that express high levels of CD163 and LYVE1 (scavenger receptor proteins), closely associated with the brain arterial tree, and show that LYVE1+ PBMs regulate arterial motion that drives CSF flow. Pharmacological or genetic depletion of PBMs led to accumulation of extracellular matrix proteins, obstructing CSF access to perivascular spaces and impairing CNS perfusion and clearance. Ageing-associated alterations in PBMs and impairment of CSF dynamics were restored after intracisternal injection of macrophage colony-stimulating factor. Single-nucleus RNA sequencing data obtained from patients with Alzheimer's disease (AD) and from non-AD individuals point to changes in phagocytosis, endocytosis and interferon-γ signalling on PBMs, pathways that are corroborated in a mouse model of AD. Collectively, our results identify PBMs as new cellular regulators of CSF flow dynamics, which could be targeted pharmacologically to alleviate brain clearance deficits associated with ageing and AD.
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Affiliation(s)
- Antoine Drieu
- Center for Brain Immunology and Glia (BIG), Washington University in St Louis, St Louis, MO, USA.
- Department of Pathology and Immunology, School of Medicine, Washington University in St Louis, St Louis, MO, USA.
| | - Siling Du
- Center for Brain Immunology and Glia (BIG), Washington University in St Louis, St Louis, MO, USA
- Department of Pathology and Immunology, School of Medicine, Washington University in St Louis, St Louis, MO, USA
- Immunology Graduate Program, School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | - Steffen E Storck
- Center for Brain Immunology and Glia (BIG), Washington University in St Louis, St Louis, MO, USA
- Department of Pathology and Immunology, School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | - Justin Rustenhoven
- Center for Brain Immunology and Glia (BIG), Washington University in St Louis, St Louis, MO, USA
- Department of Pathology and Immunology, School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | - Zachary Papadopoulos
- Center for Brain Immunology and Glia (BIG), Washington University in St Louis, St Louis, MO, USA
- Department of Pathology and Immunology, School of Medicine, Washington University in St Louis, St Louis, MO, USA
- Immunology Graduate Program, School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | - Taitea Dykstra
- Center for Brain Immunology and Glia (BIG), Washington University in St Louis, St Louis, MO, USA
- Department of Pathology and Immunology, School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | - Fenghe Zhong
- Department of Biomedical Engineering, Danforth Campus, Washington University in St Louis, St Louis, MO, USA
| | - Kyungdeok Kim
- Center for Brain Immunology and Glia (BIG), Washington University in St Louis, St Louis, MO, USA
- Department of Pathology and Immunology, School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | - Susan Blackburn
- Center for Brain Immunology and Glia (BIG), Washington University in St Louis, St Louis, MO, USA
- Department of Pathology and Immunology, School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | - Tornike Mamuladze
- Center for Brain Immunology and Glia (BIG), Washington University in St Louis, St Louis, MO, USA
- Department of Pathology and Immunology, School of Medicine, Washington University in St Louis, St Louis, MO, USA
- Immunology Graduate Program, School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | - Oscar Harari
- Department of Psychiatry, Washington University in St Louis, St Louis, MO, USA
| | - Celeste M Karch
- Department of Psychiatry, Washington University in St Louis, St Louis, MO, USA
- Department of Neurology, Hope Center for Neurological Disorders, Knight Alzheimer's Disease Research Center, School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | - Randall J Bateman
- Department of Neurology, Hope Center for Neurological Disorders, Knight Alzheimer's Disease Research Center, School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | - Richard Perrin
- Department of Pathology and Immunology, School of Medicine, Washington University in St Louis, St Louis, MO, USA
- Department of Neurology, Hope Center for Neurological Disorders, Knight Alzheimer's Disease Research Center, School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | | | - Jasmeer Chhatwal
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Song Hu
- Department of Biomedical Engineering, Danforth Campus, Washington University in St Louis, St Louis, MO, USA
| | - Gwendalyn J Randolph
- Department of Pathology and Immunology, School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | - Igor Smirnov
- Center for Brain Immunology and Glia (BIG), Washington University in St Louis, St Louis, MO, USA
- Department of Pathology and Immunology, School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | - Jonathan Kipnis
- Center for Brain Immunology and Glia (BIG), Washington University in St Louis, St Louis, MO, USA.
- Department of Pathology and Immunology, School of Medicine, Washington University in St Louis, St Louis, MO, USA.
- Immunology Graduate Program, School of Medicine, Washington University in St Louis, St Louis, MO, USA.
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48
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Deng I, Bobrovskaya L. Lipopolysaccharide mouse models for Parkinson's disease research: a critical appraisal. Neural Regen Res 2022; 17:2413-2417. [PMID: 35535880 PMCID: PMC9120679 DOI: 10.4103/1673-5374.331866] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 11/20/2021] [Accepted: 11/30/2021] [Indexed: 12/25/2022] Open
Abstract
Parkinson's disease, the most common movement disorder, has a strong neuroinflammatory aspect. This is evident by increased pro-inflammatory cytokines in the serum, and the presence of activated microglial cells, and inflammatory cytokines in the substantia nigra of post-mortem brains as well as cerebrospinal fluid of Parkinson's disease patients. The central and peripheral neuroinflammatory aspects of Parkinson's disease can be investigated in vivo via administration of the inflammagen lipopolysaccharide, a component of the cell wall of gram-negative bacteria. In this mini-review, we will critically evaluate different routes of lipopolysaccharide administration (including intranasal systemic and stereotasic), their relevance to clinical Parkinson's disease as well as the recent findings in lipopolysaccharide mouse models. We will also share our own experiences with systemic and intrastriatal lipopolysaccharide models in C57BL/6 mice and will discuss the usefulness of lipopolysaccharide mouse models for future research in the field.
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Affiliation(s)
- Isaac Deng
- Health and Biomedical Innovation, Clinical and Health Sciences, University of South Australia, Adelaide, Australia
| | - Larisa Bobrovskaya
- Health and Biomedical Innovation, Clinical and Health Sciences, University of South Australia, Adelaide, Australia
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49
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Persistent muscle hyperalgesia after adolescent stress is exacerbated by a mild-nociceptive input in adulthood and is associated with microglia activation. Sci Rep 2022; 12:18324. [PMID: 36316425 PMCID: PMC9622712 DOI: 10.1038/s41598-022-21808-x] [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: 03/28/2022] [Accepted: 10/04/2022] [Indexed: 11/07/2022] Open
Abstract
Non-specific low back pain (LBP) is a major global disease burden and childhood adversity predisposes to its development. The mechanisms are largely unknown. Here, we investigated if adversity in young rats augments mechanical hyperalgesia and how spinal cord microglia contribute to this. Adolescent rats underwent restraint stress, control animals were handled. In adulthood, all rats received two intramuscular injections of NGF/saline or both into the lumbar multifidus muscle. Stress induced in rats at adolescence lowered low back pressure pain threshold (PPT; p = 0.0001) and paw withdrawal threshold (PWT; p = 0.0007). The lowered muscle PPT persisted throughout adulthood (p = 0.012). A subsequent NGF in adulthood lowered only PPT (d = 0.87). Immunohistochemistry revealed changes in microglia morphology: stress followed by NGF induced a significant increase in ameboid state (p < 0.05). Repeated NGF injections without stress showed significantly increased cell size in surveilling and bushy states (p < 0.05). Thus, stress in adolescence induced persistent muscle hyperalgesia that can be enhanced by a mild-nociceptive input. The accompanying morphological changes in microglia differ between priming by adolescent stress and by nociceptive inputs. This novel rodent model shows that adolescent stress is a risk factor for the development of LBP in adulthood and that morphological changes in microglia are signs of spinal mechanisms involved.
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50
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Yang C, Zhou Y, Liu H, Xu P. The Role of Inflammation in Cognitive Impairment of Obstructive Sleep Apnea Syndrome. Brain Sci 2022; 12:brainsci12101303. [PMID: 36291237 PMCID: PMC9599901 DOI: 10.3390/brainsci12101303] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/14/2022] [Accepted: 09/20/2022] [Indexed: 11/16/2022] Open
Abstract
Obstructive sleep apnea syndrome (OSAS) has become a major worldwide public health concern, given its global prevalence. It has clear links with multiple comorbidities and mortality. Cognitive impairment is one related comorbidity causing great pressure on individuals and society. The clinical manifestations of cognitive impairment in OSAS include decline in attention/vigilance, verbal–visual memory loss, visuospatial/structural ability impairment, and executive dysfunction. It has been proven that chronic intermittent hypoxia (CIH) may be a main cause of cognitive impairment in OSAS. Inflammation plays important roles in CIH-induced cognitive dysfunction. Furthermore, the nuclear factor kappa B and hypoxia-inducible factor 1 alpha pathways play significant roles in this inflammatory mechanism. Continuous positive airway pressure is an effective therapy for OSAS; however, its effect on cognitive impairment is suboptimal. Therefore, in this review, we address the role inflammation plays in the development of neuro-impairment in OSAS and the association between OSAS and cognitive impairment to provide an overview of its pathophysiology. We believe that furthering the understanding of the inflammatory mechanisms involved in OSAS-associated cognitive impairment could lead to the development of appropriate and effective therapy.
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