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Yu J, Pu F, Yang G, Hao M, Zhang H, Zhang J, Cao X, Zhu L, Wan Y, Wang X, Liu Z. Sex-Specific Association Between Childhood Adversity and Accelerated Biological Aging. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2309346. [PMID: 38704685 DOI: 10.1002/advs.202309346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 03/19/2024] [Indexed: 05/07/2024]
Abstract
Is childhood adversity associated with biological aging, and if so, does sex modify the association, and do lifestyle and mental health mediate the association? A lifespan analysis is conducted using data on 142 872 participants from the UK Biobank to address these questions. Childhood adversity is assessed through the online mental health questionnaire (2016), including physical neglect, physical abuse, emotional neglect, emotional abuse, sexual abuse, and a cumulative score. Biological aging is indicated by telomere length (TL) measured from leukocyte DNA using qPCR, and the shorter TL indicates accelerated biological aging; a lifestyle score is constructed using body mass index, physical activity, drinking, smoking, and diet; mental disorder is assessed using depression, anxiety, and insomnia at the baseline survey. The results reveal a sex-specific association such that childhood adversity is associated with shorter TL in women after adjusting for covariates including polygenic risk score for TL, but not in men. Unhealthy lifestyle and mental disorder partially mediate the association in women. The proportions of indirect effects are largest for sexual and physical abuse. These findings highlight the importance of behavioral and psychological interventions in promoting healthy aging among women who experienced childhood adversity, particularly sexual and physical abuse.
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Affiliation(s)
- Jie Yu
- Center for Clinical Big Data and Analytics of the Second Affiliated Hospital, and Department of Big Data in Health Science School of Public Health, The Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Fan Pu
- Center for Clinical Big Data and Analytics of the Second Affiliated Hospital, and Department of Big Data in Health Science School of Public Health, The Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Gan Yang
- Center for Clinical Big Data and Analytics of the Second Affiliated Hospital, and Department of Big Data in Health Science School of Public Health, The Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Meng Hao
- Human Phenome Institute and State Key Laboratory of Genetic Engineering, Zhangjiang Fudan International Innovation Center, School of Life Sciences, Fudan University, Shanghai, 200433, China
| | - Hui Zhang
- Human Phenome Institute and State Key Laboratory of Genetic Engineering, Zhangjiang Fudan International Innovation Center, School of Life Sciences, Fudan University, Shanghai, 200433, China
- National Clinical Research Center for Ageing and Medicine, Huashan Hospital, Fudan University, Shanghai, 200433, China
| | - Jingyun Zhang
- Center for Clinical Big Data and Analytics of the Second Affiliated Hospital, and Department of Big Data in Health Science School of Public Health, The Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Xingqi Cao
- Center for Clinical Big Data and Analytics of the Second Affiliated Hospital, and Department of Big Data in Health Science School of Public Health, The Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Lijun Zhu
- Zhejiang Provincial Key Laboratory for Diagnosis and Treatment of Aging and Physic-chemical Injury Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Yuhui Wan
- MOE Key Laboratory of Population Health across Life Cycle/Anhui Provincial Key Laboratory of Population Health and Aristogenics, and Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, 230032, China
| | - Xiaofeng Wang
- Human Phenome Institute and State Key Laboratory of Genetic Engineering, Zhangjiang Fudan International Innovation Center, School of Life Sciences, Fudan University, Shanghai, 200433, China
- National Clinical Research Center for Ageing and Medicine, Huashan Hospital, Fudan University, Shanghai, 200433, China
| | - Zuyun Liu
- Center for Clinical Big Data and Analytics of the Second Affiliated Hospital, and Department of Big Data in Health Science School of Public Health, The Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, 310058, China
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Song J, Wu X, Zhang Y, Song P, Zhao Y. Association between changes in depressive symptoms and falls: The China health and retirement longitudinal study (CHARLS). J Affect Disord 2023; 341:393-400. [PMID: 37683944 DOI: 10.1016/j.jad.2023.09.004] [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: 06/05/2023] [Revised: 08/15/2023] [Accepted: 09/05/2023] [Indexed: 09/10/2023]
Abstract
PURPOSE This study aimed to investigate the impact of depressive symptoms and changes in depressive status on falls among middle-aged and older population in China. METHODS We used two waves of interview data (time 1 [T1] and time 2 [T2], 2 years from T1) from a nationally representative sample of the China Health and Retirement Longitudinal Study (CHARLS), which included a total of 14,356 participants (male 6859; mean age: 59.5 ± 9.3 years). Depressive symptoms were assessed using the 10-item short form of the Center for Epidemiologic Studies Depression Scale (CES-D-10). Participants were categorized into four groups based on changes in their CES-D-10 scores over a 2-year follow-up period. Self-reported falls were evaluated, and logistic regression models and restricted cubic splines (RCS) were employed to examine the relationship between depressive symptoms and fallen. RESULTS Participants who had experienced falls had higher CES-D-10 scores and were more likely to have depressive symptoms. Depressive symptoms at T1 were significantly associated with falls during the follow-up period. After adjusting for covariables, increasing CES-D-10 scores were associated with higher adjusted odds ratios (ORs) for falling prevalence: 1.230 (95 % CI, 1.041-1.453), 1.579 (95 % CI, 1.331-1.873), 1.745 (95 % CI, 1.472-2.070), and 2.366 (95 % CI, 1.972-2.838). Participants who experienced depressive symptoms at either T1 or T2, as well as those with persistent depressive symptoms from T1 to T2, were both at higher risk for future falls. The worsening of depressive symptoms significantly increased the likelihood of falls. CONCLUSION This study revealed a significant association between depressive symptoms and changes in depressive status with subsequent falls in older adults. The heightened fall risk among individuals with depressive symptoms underscores the importance of addressing mental health as an integral part of comprehensive fall prevention strategies.
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Affiliation(s)
- Jianing Song
- Rehabilitation Center, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
| | - Xinze Wu
- Department of Internal Medicine and Rehabilitation Science, Tohoku University Graduate School of Medicine, Tohoku University, Sendai, Japan
| | - Yajie Zhang
- Jiangwan Hospital of Shanghai Hongkou District, Shanghai University of Medicine and Health Science Affiliated Hospital, Shanghai, China
| | - Peiyu Song
- Jiangwan Hospital of Shanghai Hongkou District, Shanghai University of Medicine and Health Science Affiliated Hospital, Shanghai, China
| | - Yinjiao Zhao
- Jiangwan Hospital of Shanghai Hongkou District, Shanghai University of Medicine and Health Science Affiliated Hospital, Shanghai, China.
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Siraj Y, Galderisi U, Alessio N. Senescence induces fundamental changes in the secretome of mesenchymal stromal cells (MSCs): implications for the therapeutic use of MSCs and their derivates. Front Bioeng Biotechnol 2023; 11:1148761. [PMID: 37229499 PMCID: PMC10203235 DOI: 10.3389/fbioe.2023.1148761] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 04/24/2023] [Indexed: 05/27/2023] Open
Abstract
Mesenchymal stromal cells (MSCs) are a heterogeneous population containing multipotent adult stem cells with a multi-lineage differentiation capacity, which differentiated into mesodermal derivatives. MSCs are employed for therapeutic purposes and several investigations have demonstrated that the positive effects of MSC transplants are due to the capacity of MSCs to modulate tissue homeostasis and repair via the activity of their secretome. Indeed, the MSC-derived secretomes are now an alternative strategy to cell transplantation due to their anti-inflammatory, anti-apoptotic, and regenerative effects. The cellular senescence is a dynamic process that leads to permanent cell cycle arrest, loss of healthy cells' physiological functions and acquiring new activities, which are mainly accrued through the release of many factors, indicated as senescence-associated secretory phenotype (SASP). The senescence occurring in stem cells, such as those present in MSCs, may have detrimental effects on health since it can undermine tissue homeostasis and repair. The analysis of MSC secretome is important either for the MSC transplants and for the therapeutic use of secretome. Indeed, the secretome of MSCs, which is the main mechanism of their therapeutic activity, loses its beneficial functions and acquire negative pro-inflammatory and pro-aging activities when MSCs become senescent. When MSCs or their derivatives are planned to be used for therapeutic purposes, great attention must be paid to these changes. In this review, we analyzed changes occurring in MSC secretome following the switch from healthy to senescence status.
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Affiliation(s)
- Yesuf Siraj
- Department of Experimental Medicine, University of Campania, Naples, Italy
- Department of Medical Laboratory Sciences, School of Health Sciences, College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, Ethiopia
| | - Umberto Galderisi
- Department of Experimental Medicine, University of Campania, Naples, Italy
- Department of Biology, Faculty of Science, Erciyes University, Kayseri, Türkiye
- Center for Biotechnology, Sbarro Institute for Cancer Research and Molecular Medicine, Temple University, Philadelphia, PA, United States
| | - Nicola Alessio
- Department of Experimental Medicine, University of Campania, Naples, Italy
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Triebelhorn J, Cardon I, Kuffner K, Bader S, Jahner T, Meindl K, Rothhammer-Hampl T, Riemenschneider MJ, Drexler K, Berneburg M, Nothdurfter C, Manook A, Brochhausen C, Baghai TC, Hilbert S, Rupprecht R, Milenkovic VM, Wetzel CH. Induced neural progenitor cells and iPS-neurons from major depressive disorder patients show altered bioenergetics and electrophysiological properties. Mol Psychiatry 2022:10.1038/s41380-022-01660-1. [PMID: 35732695 DOI: 10.1038/s41380-022-01660-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 05/30/2022] [Accepted: 06/07/2022] [Indexed: 11/09/2022]
Abstract
The molecular pathomechanisms of major depressive disorder (MDD) are still not completely understood. Here, we follow the hypothesis, that mitochondria dysfunction which is inevitably associated with bioenergetic disbalance is a risk factor that contributes to the susceptibility of an individual to develop MDD. Thus, we investigated molecular mechanisms related to mitochondrial function in induced neuronal progenitor cells (NPCs) which were reprogrammed from fibroblasts of eight MDD patients and eight non-depressed controls. We found significantly lower maximal respiration rates, altered cytosolic basal calcium levels, and smaller soma size in NPCs derived from MDD patients. These findings are partially consistent with our earlier observations in MDD patient-derived fibroblasts. Furthermore, we differentiated MDD and control NPCs into iPS-neurons and analyzed their passive biophysical and active electrophysiological properties to investigate whether neuronal function can be related to altered mitochondrial activity and bioenergetics. Interestingly, MDD patient-derived iPS-neurons showed significantly lower membrane capacitance, a less hyperpolarized membrane potential, increased Na+ current density and increased spontaneous electrical activity. Our findings indicate that functional differences evident in fibroblasts derived from MDD patients are partially present after reprogramming to induced-NPCs, could relate to altered function of iPS-neurons and thus might be associated with the aetiology of major depressive disorder.
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Affiliation(s)
- Julian Triebelhorn
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany
| | - Iseline Cardon
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany
| | - Kerstin Kuffner
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany
| | - Stefanie Bader
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany
| | - Tatjana Jahner
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany
| | - Katrin Meindl
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany
| | - Tanja Rothhammer-Hampl
- Department of Neuropathology, Regensburg University Hospital, 93053, Regensburg, Germany
| | | | - Konstantin Drexler
- Department of Dermatology, Regensburg University Hospital, 93053, Regensburg, Germany
| | - Mark Berneburg
- Department of Dermatology, Regensburg University Hospital, 93053, Regensburg, Germany
| | - Caroline Nothdurfter
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany
| | - André Manook
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany
| | - Christoph Brochhausen
- Institute of Pathology, University of Regensburg, 93053, Regensburg, Germany
- Central Biobank of the University of Regensburg and the Regensburg University Hospital, 93053, Regensburg, Germany
| | - Thomas C Baghai
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany
| | - Sven Hilbert
- Institute of Educational Research, Faculty of Human Sciences, University of Regensburg, 93053, Regensburg, Germany
| | - Rainer Rupprecht
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany
| | - Vladimir M Milenkovic
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany
| | - Christian H Wetzel
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany.
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Arévalo‐Flechas LC, Flores B“P, Wang H, Liang H, Li Y, Gelfond J, Espinoza S, Lewis SL, Musi N, Yeh C. Stress‐Busting Program for Family Caregivers: Validation of the Spanish version using biomarkers and quality‐of‐life measures. Res Nurs Health 2022; 45:205-217. [DOI: 10.1002/nur.22216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 12/22/2021] [Accepted: 01/23/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Lyda C. Arévalo‐Flechas
- Geriatric Research, Education & Clinical Center, Audie L. Murphy Division South Texas Veterans Health Care System San Antonio Texas USA
- Division of Geriatrics, Gerontology and Palliative Medicine The University of Texas Health Science Center at San Antonio San Antonio Texas USA
| | - Bertha “Penny” Flores
- Geriatric Research, Education & Clinical Center, Audie L. Murphy Division South Texas Veterans Health Care System San Antonio Texas USA
- School of Nursing The University of Texas Health Science Center at San Antonio San Antonio Texas USA
| | - Hanzhou Wang
- Department of Comprehensive Dentistry The University of Texas Health Science Center at San Antonio San Antonio Texas USA
| | - Hanyu Liang
- Barshop Institute for Longevity and Aging Studies The University of Texas Health Science Center at San Antonio San Antonio Texas USA
| | - Yan Li
- Barshop Institute for Longevity and Aging Studies The University of Texas Health Science Center at San Antonio San Antonio Texas USA
| | - Jonathan Gelfond
- Department of Population Health Sciences, Long School of Medicine The University of Texas Health Science Center at San Antonio San Antonio Texas USA
| | - Sara Espinoza
- Geriatric Research, Education & Clinical Center, Audie L. Murphy Division South Texas Veterans Health Care System San Antonio Texas USA
- Division of Geriatrics, Gerontology and Palliative Medicine The University of Texas Health Science Center at San Antonio San Antonio Texas USA
- Barshop Institute for Longevity and Aging Studies The University of Texas Health Science Center at San Antonio San Antonio Texas USA
| | - Sharon L. Lewis
- Geriatric Research, Education & Clinical Center, Audie L. Murphy Division South Texas Veterans Health Care System San Antonio Texas USA
| | - Nicolas Musi
- Geriatric Research, Education & Clinical Center, Audie L. Murphy Division South Texas Veterans Health Care System San Antonio Texas USA
- Barshop Institute for Longevity and Aging Studies The University of Texas Health Science Center at San Antonio San Antonio Texas USA
| | - Chih‐Ko Yeh
- Geriatric Research, Education & Clinical Center, Audie L. Murphy Division South Texas Veterans Health Care System San Antonio Texas USA
- Department of Comprehensive Dentistry The University of Texas Health Science Center at San Antonio San Antonio Texas USA
- Barshop Institute for Longevity and Aging Studies The University of Texas Health Science Center at San Antonio San Antonio Texas USA
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Blood-based mitochondrial respiratory chain function in major depression. Transl Psychiatry 2021; 11:593. [PMID: 34789750 PMCID: PMC8599473 DOI: 10.1038/s41398-021-01723-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 10/26/2021] [Accepted: 11/02/2021] [Indexed: 12/23/2022] Open
Abstract
Mitochondrial dysfunction has been implicated in major depressive disorder (MDD). A measure of mitochondrial respiratory chain (RC) enzymatic activity-the Mitochondrial Health Index (MHI)-has previously been found to correlate with stress and emotional states in caregivers. We here report mitochondrial RC activities, mitochondrial DNA copy number (mtDNAcn), and the composite MHI in unmedicated and somatically healthy subjects with MDD (n = 47) and healthy controls (HC) (n = 11). We also explore, in a subset of the MDD sample (n = 33), whether these markers are associated with response to 8 weeks of SSRI treatment. Mitochondrial RC complexes I, II, IV, citrate synthase (CS), mtDNAcn, and the MHI were assayed in peripheral blood mononuclear cells. Treatment response was defined as >50% decrease on the 25-item Hamilton Depression Rating Scale (HRDS-25). There were no significant differences in MHI or any of the mitochondrial markers between MDD subjects and HCs. Compared to SSRI nonresponders, SSRI responders had significantly higher baseline mitochondrial content markers CS (p = 0.02) and mtDNAcn (p = 0.02), and higher complex I activity (p = 0.01). Complex II activity increased significantly over treatment, irrespective of clinical response (p = 0.03). Complex I activity decreased in responders (n = 9), but increased in nonresponders (n = 18) (group x time interaction, p = 0.02). Absolute treatment-associated change in HDRS-25 scores correlated significantly with change in complex I activity between baseline and week 8 (r = 0.47, p = 0.01). Although mitochondrial markers did not distinguish MDD from controls, they did distinguish SSRI responders from nonresponders. If larger studies validate these mitochondrial differences, they may become useful biomarkers and identify new drug targets.
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Schroder JD, de Araújo JB, de Oliveira T, de Moura AB, Fries GR, Quevedo J, Réus GZ, Ignácio ZM. Telomeres: the role of shortening and senescence in major depressive disorder and its therapeutic implications. Rev Neurosci 2021; 33:227-255. [PMID: 34388328 DOI: 10.1515/revneuro-2021-0070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Accepted: 07/17/2021] [Indexed: 11/15/2022]
Abstract
Major depressive disorder (MDD) is one of the most prevalent and debilitating psychiatric disorders, with a large number of patients not showing an effective therapeutic response to available treatments. Several biopsychosocial factors, such as stress in childhood and throughout life, and factors related to biological aging, may increase the susceptibility to MDD development. Included in critical biological processes related to aging and underlying biological mechanisms associated with MDD is the shortening of telomeres and changes in telomerase activity. This comprehensive review discusses studies that assessed the length of telomeres or telomerase activity and function in peripheral blood cells and brain tissues of MDD individuals. Also, results from in vitro protocols and animal models of stress and depressive-like behaviors were included. We also expand our discussion to include the role of telomere biology as it relates to other relevant biological mechanisms, such as the hypothalamic-pituitary-adrenal (HPA) axis, oxidative stress, inflammation, genetics, and epigenetic changes. In the text and the discussion, conflicting results in the literature were observed, especially considering the size of telomeres in the central nervous system, on which there are different protocols with divergent results in the literature. Finally, the context of this review is considering cell signaling, transcription factors, and neurotransmission, which are involved in MDD and can be underlying to senescence, telomere shortening, and telomerase functions.
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Affiliation(s)
- Jessica Daniela Schroder
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of the Southern Frontier, Rodovia SC 484 - Km 02, Fronteira Sul, Postal Code: 89815-899Chapecó, SC, Brazil
| | - Julia Beatrice de Araújo
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of the Southern Frontier, Rodovia SC 484 - Km 02, Fronteira Sul, Postal Code: 89815-899Chapecó, SC, Brazil
| | - Tacio de Oliveira
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of the Southern Frontier, Rodovia SC 484 - Km 02, Fronteira Sul, Postal Code: 89815-899Chapecó, SC, Brazil
| | - Airam Barbosa de Moura
- Laboratory of Translational Psychiatry, Graduate Program in Health Sciences, University of Southern Santa Catarina, Av. Universitária, 1105 - Bairro Universitário Postal Code: 88806-000Criciúma, SC, Brazil
| | - Gabriel Rodrigo Fries
- Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, Translational Psychiatry Program, The University of Texas Health Science Center at Houston (UTHealth), 1941 East Road BBSB 3142, Houston77054, TX, USA.,Neuroscience Graduate Program, Graduate School of Biomedical Sciences, The University of Texas Health Science Center at Houston (UTHealth), 1941 East Road, BBSB 3142, Houston77054, TX, USA.,Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, 1941 East Road, BBSB 3142, Houston77054, TX, USA
| | - João Quevedo
- Laboratory of Translational Psychiatry, Graduate Program in Health Sciences, University of Southern Santa Catarina, Av. Universitária, 1105 - Bairro Universitário Postal Code: 88806-000Criciúma, SC, Brazil.,Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, Translational Psychiatry Program, The University of Texas Health Science Center at Houston (UTHealth), 1941 East Road BBSB 3142, Houston77054, TX, USA.,Neuroscience Graduate Program, Graduate School of Biomedical Sciences, The University of Texas Health Science Center at Houston (UTHealth), 1941 East Road, BBSB 3142, Houston77054, TX, USA.,Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, Center of Excellence on Mood Disorders, The University of Texas Health Science Center at Houston (UTHealth), 1941 East Road, BBSB 3142, Houston77054, TX, USA
| | - Gislaine Zilli Réus
- Laboratory of Translational Psychiatry, Graduate Program in Health Sciences, University of Southern Santa Catarina, Av. Universitária, 1105 - Bairro Universitário Postal Code: 88806-000Criciúma, SC, Brazil
| | - Zuleide Maria Ignácio
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of the Southern Frontier, Rodovia SC 484 - Km 02, Fronteira Sul, Postal Code: 89815-899Chapecó, SC, Brazil.,Laboratory of Translational Psychiatry, Graduate Program in Health Sciences, University of Southern Santa Catarina, Av. Universitária, 1105 - Bairro Universitário Postal Code: 88806-000Criciúma, SC, Brazil
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8
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Lin YF, Wang LY, Chen CS, Li CC, Hsiao YH. Cellular senescence as a driver of cognitive decline triggered by chronic unpredictable stress. Neurobiol Stress 2021; 15:100341. [PMID: 34095365 PMCID: PMC8163993 DOI: 10.1016/j.ynstr.2021.100341] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 05/06/2021] [Accepted: 05/10/2021] [Indexed: 12/13/2022] Open
Abstract
When an individual is under stress, the undesired effect on the brain often exceeds expectations. Additionally, when stress persists for a long time, it can trigger serious health problems, particularly depression. Recent studies have revealed that depressed patients have a higher rate of brain aging than healthy subjects and that depression increases dementia risk later in life. However, it remains unknown which factors are involved in brain aging triggered by chronic stress. The most critical change during brain aging is the decline in cognitive function. In addition, cellular senescence is a stable state of cell cycle arrest that occurs because of damage and/or stress and is considered a sign of aging. We used the chronic unpredictable stress (CUS) model to mimic stressful life situations and found that, compared with nonstressed control mice, CUS-treated C57BL/6 mice exhibited depression-like behaviors and cognitive decline. Additionally, the protein expression of the senescence marker p16INK4a was increased in the hippocampus, and senescence-associated β-galactosidase (SA-β-gal)-positive cells were found in the hippocampal dentate gyrus (DG) in CUS-treated mice. Furthermore, the levels of SA-β-gal or p16INK4a were strongly correlated with the severity of memory impairment in CUS-treated mice, whereas clearing senescent cells using the pharmacological senolytic cocktail dasatinib plus quercetin (D + Q) alleviated CUS-induced cognitive deficits, suggesting that targeting senescent cells may be a promising candidate approach to study chronic stress-induced cognitive decline. Our findings open new avenues for stress-related research and provide new insight into the association of chronic stress-induced cellular senescence with cognitive deficits.
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Affiliation(s)
- Yu-Fen Lin
- Department of Pharmacology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Li-Yun Wang
- Department of Pharmacology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chi-Sheng Chen
- Department of Pharmacology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chia-Chun Li
- Department of Pharmacology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Ya-Hsin Hsiao
- Department of Pharmacology, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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9
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Forrester SN, Zmora R, Schreiner PJ, Jacobs DR, Roger VL, Thorpe RJ, Kiefe CI. Accelerated aging: A marker for social factors resulting in cardiovascular events? SSM Popul Health 2021; 13:100733. [PMID: 33532540 PMCID: PMC7823205 DOI: 10.1016/j.ssmph.2021.100733] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 12/31/2020] [Accepted: 01/02/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Medicine and public health are shifting away from a purely "personal responsibility" model of cardiovascular disease (CVD) prevention towards a societal view targeting social and environmental conditions and how these result in disease. Given the strong association between social conditions and CVD outcomes, we hypothesize that accelerated aging, measuring earlier health decline associated with chronological aging through a combination of biomarkers, may be a marker for the association between social conditions and CVD. METHODS We used data from the Coronary Artery Risk Development in Young Adults study (CARDIA). Accelerated aging was defined as the difference between biological and chronological age. Biological age was derived as a combination of 7 biomarkers (total cholesterol, HDL, glucose, BMI, CRP, FEV1/h2, MAP), representing the physiological effect of "wear and tear" usually associated with chronological aging. We studied accelerated aging measured in 2005-06 as a mediator of the association between social factors measured in 2000-01 and 1) any incident CVD event; 2) stroke; and 3) all-cause mortality occurring from 2007 through 18. RESULTS Among 2978 middle-aged participants, mean (SD) accelerated aging was 3.6 (11.6) years, i.e., the CARDIA cohort appeared to be, on average, 3 years older than its chronological age. Accelerated aging partially mediated the association between social factors and CVD (N=219), stroke (N=36), and mortality (N=59). Accelerated aging mediated 41% of the total effects of racial discrimination on stroke after adjustment for covariates. Accelerated aging also mediated other relationships but to lesser degrees. CONCLUSION We provide new evidence that accelerated aging based on easily measurable biomarkers may be a viable marker to partially explain how social factors can lead to cardiovascular outcomes and death.
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Affiliation(s)
- Sarah N. Forrester
- University of Massachusetts Medical School, Department of Population and Quantitative Health Sciences, USA
| | - Rachel Zmora
- University of Minnesota School of Public Health, Division of Epidemiology and Community Health, USA
| | - Pamela J. Schreiner
- University of Minnesota School of Public Health, Division of Epidemiology and Community Health, USA
| | - David R. Jacobs
- University of Minnesota School of Public Health, Division of Epidemiology and Community Health, USA
| | - Veronique L. Roger
- Mayo Clinic, Division of Circulatory Failure, Department of Cardiovascular Medicine, USA
| | - Roland J. Thorpe
- Johns Hopkins Bloomberg School of Public Health, Department of Health, Behavior, and Society, USA
| | - Catarina I. Kiefe
- University of Massachusetts Medical School, Department of Population and Quantitative Health Sciences, USA
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Månsson KNT, Lueken U, Frick A. Enriching CBT by Neuroscience: Novel Avenues to Achieve Personalized Treatments. Int J Cogn Ther 2020. [DOI: 10.1007/s41811-020-00089-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
AbstractAlthough cognitive behavioral therapy (CBT) is an established and efficient treatment for a variety of common mental disorders, a considerable number of patients do not respond to treatment or relapse after successful CBT. Recent findings and approaches from neuroscience could pave the way for clinical developments to enhance the outcome of CBT. Herein, we will present how neuroscience can offer novel perspectives to better understand (a) the biological underpinnings of CBT, (b) how we can enrich CBT with neuroscience-informed techniques (augmentation of CBT), and (c) why some patients may respond better to CBT than others (predictors of therapy outcomes), thus paving the way for more personalized and effective treatments. We will introduce some key topics and describe a selection of findings from CBT-related research using tools from neuroscience, with the hope that this will provide clinicians and clinical researchers with a brief and comprehensible overview of the field.
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11
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The Link between Chronic Stress and Accelerated Aging. Biomedicines 2020; 8:biomedicines8070198. [PMID: 32645916 PMCID: PMC7400286 DOI: 10.3390/biomedicines8070198] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 06/29/2020] [Accepted: 07/03/2020] [Indexed: 12/11/2022] Open
Abstract
People exposed to chronic stress age rapidly. The telomeres in their cells of all types shorten faster. Inflammation is another important feature of stress that, along with aging, accounts for the phenomenon of inflammaging. In addition to aging itself, inflammaging can contribute to the development of several pathologies, including atherosclerosis, diabetes, hypertension, and others. Oxidative stress is one of the main mechanisms related to stress. Oxidative stress is caused by the over-production of reactive oxygen species (ROS) that can damage various tissues. The main source of ROS is mitochondria. Being suppressed by mitochondrial mutations, mitophagy can aggravate the situation. In this case, the aging-specific pro-inflammatory changes are amplified. It happens because of the inability of cells to maintain the normal state of mitochondria. Macrophages are the crucial element of the innate immunity associated with the chronic inflammation and, subsequently, with the inflammaging. In this review, we focus on the therapy approaches potentially reducing the deleterious effects of oxidative stress. These include stimulation of mitophagy, activation of mitochondrial uncoupling, induction of the expression of the telomerase catalytic component gene, and use of antioxidants. Any method reducing oxidative stress should improve post-traumatic stress disorder.
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Wynchank D, Bijlenga D, Penninx BW, Lamers F, Beekman AT, Kooij JJS, Verhoeven JE. Delayed sleep-onset and biological age: late sleep-onset is associated with shorter telomere length. Sleep 2020; 42:5528107. [PMID: 31270544 DOI: 10.1093/sleep/zsz139] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 05/08/2019] [Indexed: 12/19/2022] Open
Abstract
STUDY OBJECTIVES We evaluated the relationship between leukocyte telomere length (LTL) and sleep duration, insomnia symptoms, and circadian rhythm, to test whether sleep and chronobiological dysregulations are associated with cellular aging. METHODS Data from the Netherlands Study of Depression and Anxiety (N = 2,936) were used at two waves 6 years apart, to measure LTL. Telomeres shorten during the life span and are important biomarkers for cellular aging. LTL was assessed by qualitative polymerase chain reaction and converted into base pair number. Sleep parameters were: sleep duration and insomnia symptoms from the Insomnia Rating Scale. Circadian rhythm variables were: indication of Delayed Sleep Phase Syndrome (DSPS), mid-sleep corrected for sleep debt on free days (MSFsc), sleep-onset time, and self-reported chronotype, from the Munich Chronotype Questionnaire. Generalized estimating equations analyzed the associations between LTL, sleep, and chronobiological factors, adjusted for baseline age, sex, North European ancestry, and additionally for current smoking, depression severity, obesity, and childhood trauma. RESULTS Indicators of delayed circadian rhythm showed a strong and consistent effect on LTL, after adjustment for sociodemographic and health indicators. Late MSFsc (B = -49.9, p = .004), late sleep-onset time (B = -32.4, p = .001), indication of DSPS (B = -73.8, p = .036), and moderately late chronotype in adulthood (B = -71.6, p = .003) were associated with significantly shorter LTL across both waves; whereas sleep duration and insomnia symptoms were not. Extremely early chronotype showed significantly less LTL shortening than intermediate chronotype (B = 161.40, p = .037). No predictors showed accelerated LTL attrition over 6 years. CONCLUSIONS Individuals with delayed circadian rhythm have significantly shorter LTL, but not faster LTL attrition rates.
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Affiliation(s)
- Dora Wynchank
- PsyQ Expertise Center Adult ADHD, The Hague, The Netherlands
| | - Denise Bijlenga
- PsyQ Expertise Center Adult ADHD, The Hague, The Netherlands
| | - Brenda W Penninx
- Department of Psychiatry, Amsterdam Public Health Research Institute, VU University Medical Center, Amsterdam, The Netherlands
| | - Femke Lamers
- Department of Psychiatry, Amsterdam Public Health Research Institute, VU University Medical Center, Amsterdam, The Netherlands
| | - Aartjan T Beekman
- Department of Psychiatry, Amsterdam Public Health Research Institute, VU University Medical Center, Amsterdam, The Netherlands
| | - J J Sandra Kooij
- PsyQ Expertise Center Adult ADHD, The Hague, The Netherlands.,Department of Psychiatry, Amsterdam Public Health Research Institute, VU University Medical Center, Amsterdam, The Netherlands
| | - Josine E Verhoeven
- Department of Psychiatry, Amsterdam Public Health Research Institute, VU University Medical Center, Amsterdam, The Netherlands
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13
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Kuffner K, Triebelhorn J, Meindl K, Benner C, Manook A, Sudria-Lopez D, Siebert R, Nothdurfter C, Baghai TC, Drexler K, Berneburg M, Rupprecht R, Milenkovic VM, Wetzel CH. Major Depressive Disorder is Associated with Impaired Mitochondrial Function in Skin Fibroblasts. Cells 2020; 9:cells9040884. [PMID: 32260327 PMCID: PMC7226727 DOI: 10.3390/cells9040884] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 03/31/2020] [Accepted: 04/01/2020] [Indexed: 12/12/2022] Open
Abstract
Mitochondrial malfunction is supposed to be involved in the etiology and pathology of major depressive disorder (MDD). Here, we aimed to identify and characterize the molecular pathomechanisms related to mitochondrial dysfunction in adult human skin fibroblasts, which were derived from MDD patients or non-depressive control subjects. We found that MDD fibroblasts showed significantly impaired mitochondrial functioning: basal and maximal respiration, spare respiratory capacity, non-mitochondrial respiration and adenosine triphosphate (ATP)-related oxygen consumption was lower. Moreover, MDD fibroblasts harbor lower ATP levels and showed hyperpolarized mitochondrial membrane potential. To investigate cellular resilience, we challenged both groups of fibroblasts with hormonal (dexamethasone) or metabolic (galactose) stress for one week, and found that both stressors increased oxygen consumption but lowered ATP content in MDD as well as in non-depressive control fibroblasts. Interestingly, the bioenergetic differences between fibroblasts from MDD or non-depressed subjects, which were observed under non-treated conditions, could not be detected after stress. Our findings support the hypothesis that altered mitochondrial function causes a bioenergetic imbalance, which is associated with the molecular pathophysiology of MDD. The observed alterations in the oxidative phosphorylation system (OXPHOS) and other mitochondria-related properties represent a basis for further investigations of pathophysiological mechanisms and might open new ways to gain insight into antidepressant signaling pathways.
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Affiliation(s)
- Kerstin Kuffner
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053 Regensburg, Germany; (K.K.); (T.C.B.)
| | - Julian Triebelhorn
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053 Regensburg, Germany; (K.K.); (T.C.B.)
| | - Katrin Meindl
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053 Regensburg, Germany; (K.K.); (T.C.B.)
| | - Christoph Benner
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053 Regensburg, Germany; (K.K.); (T.C.B.)
| | - André Manook
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053 Regensburg, Germany; (K.K.); (T.C.B.)
| | - Daniel Sudria-Lopez
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053 Regensburg, Germany; (K.K.); (T.C.B.)
| | - Ramona Siebert
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053 Regensburg, Germany; (K.K.); (T.C.B.)
| | - Caroline Nothdurfter
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053 Regensburg, Germany; (K.K.); (T.C.B.)
| | - Thomas C. Baghai
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053 Regensburg, Germany; (K.K.); (T.C.B.)
| | - Konstantin Drexler
- Department of Dermatology, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Mark Berneburg
- Department of Dermatology, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Rainer Rupprecht
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053 Regensburg, Germany; (K.K.); (T.C.B.)
| | - Vladimir M. Milenkovic
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053 Regensburg, Germany; (K.K.); (T.C.B.)
| | - Christian H. Wetzel
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053 Regensburg, Germany; (K.K.); (T.C.B.)
- Correspondence: ; Tel.: +49-941-944-8955
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14
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The Psilocybin-Telomere Hypothesis: An empirically falsifiable prediction concerning the beneficial neuropsychopharmacological effects of psilocybin on genetic aging. Med Hypotheses 2020; 134:109406. [DOI: 10.1016/j.mehy.2019.109406] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2019] [Revised: 09/21/2019] [Accepted: 09/24/2019] [Indexed: 02/06/2023]
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15
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Månsson KNT, Lindqvist D, Yang LL, Svanborg C, Isung J, Nilsonne G, Bergman-Nordgren L, El Alaoui S, Hedman-Lagerlöf E, Kraepelien M, Högström J, Andersson G, Boraxbekk CJ, Fischer H, Lavebratt C, Wolkowitz OM, Furmark T. Improvement in indices of cellular protection after psychological treatment for social anxiety disorder. Transl Psychiatry 2019; 9:340. [PMID: 31852887 PMCID: PMC6920472 DOI: 10.1038/s41398-019-0668-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 11/11/2019] [Accepted: 11/22/2019] [Indexed: 12/12/2022] Open
Abstract
Telomere attrition is a hallmark of cellular aging and shorter telomeres have been reported in mood and anxiety disorders. Telomere shortening is counteracted by the enzyme telomerase and cellular protection is also provided by the antioxidant enzyme glutathione peroxidase (GPx). Here, telomerase, GPx, and telomeres were investigated in 46 social anxiety disorder (SAD) patients in a within-subject design with repeated measures before and after cognitive behavioral therapy. Treatment outcome was assessed by the Liebowitz Social Anxiety Scale (self-report), administered three times before treatment to control for time and regression artifacts, and posttreatment. Venipunctures were performed twice before treatment, separated by 9 weeks, and once posttreatment. Telomerase activity and telomere length were measured in peripheral blood mononuclear cells and GPx activity in plasma. All patients contributed with complete data. Results showed that social anxiety symptom severity was significantly reduced from pretreatment to posttreatment (Cohen's d = 1.46). There were no significant alterations in telomeres or cellular protection markers before treatment onset. Telomere length and telomerase activity did not change significantly after treatment, but an increase in telomerase over treatment was associated with reduced social anxiety. Also, lower pretreatment telomerase activity predicted subsequent symptom improvement. GPx activity increased significantly during treatment, and increases were significantly associated with symptom improvement. The relationships between symptom improvement and putative protective enzymes remained significant also after controlling for body mass index, sex, duration of SAD, smoking, concurrent psychotropic medication, and the proportion of lymphocytes to monocytes. Thus, indices of cellular protection may be involved in the therapeutic mechanisms of psychological treatment for anxiety.
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Affiliation(s)
- Kristoffer N. T. Månsson
- 0000 0004 1937 0626grid.4714.6Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden ,0000 0004 1936 9377grid.10548.38Department of Psychology, Stockholm University, Stockholm, Sweden ,0000 0004 1936 9457grid.8993.bDepartment of Psychology, Uppsala University, Uppsala, Sweden
| | - Daniel Lindqvist
- 0000 0001 0930 2361grid.4514.4Department of Clinical Sciences Lund, Psychiatry, , Lund University, Lund, Sweden
| | - Liu L. Yang
- 0000 0004 1937 0626grid.4714.6Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden ,0000 0000 9241 5705grid.24381.3cCenter for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Cecilia Svanborg
- 0000 0004 1937 0626grid.4714.6Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, & Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
| | - Josef Isung
- 0000 0004 1937 0626grid.4714.6Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, & Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
| | - Gustav Nilsonne
- 0000 0004 1937 0626grid.4714.6Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden ,0000 0004 1936 9377grid.10548.38Stress Research Institute, Stockholm University, Stockholm, Sweden
| | - Lise Bergman-Nordgren
- 0000 0004 1937 0626grid.4714.6Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, & Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
| | - Samir El Alaoui
- 0000 0004 1937 0626grid.4714.6Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, & Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
| | - Erik Hedman-Lagerlöf
- 0000 0004 1937 0626grid.4714.6Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Martin Kraepelien
- 0000 0004 1937 0626grid.4714.6Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, & Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
| | - Jens Högström
- 0000 0004 1937 0626grid.4714.6Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, & Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
| | - Gerhard Andersson
- 0000 0004 1937 0626grid.4714.6Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, & Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden ,0000 0001 2162 9922grid.5640.7Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden
| | - Carl-Johan Boraxbekk
- 0000 0001 1034 3451grid.12650.30Centre for Demographic and Ageing Research, Umeå University, Umeå, Sweden ,0000 0004 0646 7373grid.4973.9Center for Magnetic Resonance (DRCMR), Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital, Hvidovre, Denmark
| | - Håkan Fischer
- 0000 0004 1936 9377grid.10548.38Department of Psychology, Stockholm University, Stockholm, Sweden
| | - Catharina Lavebratt
- 0000 0004 1937 0626grid.4714.6Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden ,0000 0000 9241 5705grid.24381.3cCenter for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Owen M. Wolkowitz
- 0000 0001 2297 6811grid.266102.1Department of Psychiatry, University of California, San Francisco, CA USA
| | - Tomas Furmark
- 0000 0004 1936 9457grid.8993.bDepartment of Psychology, Uppsala University, Uppsala, Sweden
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Bateson M, Eisenberg DTA, Nettle D. Controlling for baseline telomere length biases estimates of the rate of telomere attrition. ROYAL SOCIETY OPEN SCIENCE 2019; 6:190937. [PMID: 31824705 PMCID: PMC6837209 DOI: 10.1098/rsos.190937] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 09/28/2019] [Indexed: 06/10/2023]
Abstract
Longitudinal studies have sought to establish whether environmental exposures such as smoking accelerate the attrition of individuals' telomeres over time. These studies typically control for baseline telomere length (TL) by including it as a covariate in statistical models. However, baseline TL also differs between smokers and non-smokers, and telomere attrition is spuriously linked to baseline TL via measurement error and regression to the mean. Using simulated datasets, we show that controlling for baseline TL overestimates the true effect of smoking on telomere attrition. This bias increases with increasing telomere measurement error and increasing difference in baseline TL between smokers and non-smokers. Using a meta-analysis of longitudinal datasets, we show that as predicted, the estimated difference in telomere attrition between smokers and non-smokers is greater when statistical models control for baseline TL than when they do not, and the size of the discrepancy is positively correlated with measurement error. The bias we describe is not specific to smoking and also applies to other exposures. We conclude that to avoid invalid inference, models of telomere attrition should not control for baseline TL by including it as a covariate. Many claims of accelerated telomere attrition in individuals exposed to adversity need to be re-assessed.
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Affiliation(s)
- Melissa Bateson
- Centre for Behaviour and Evolution and Institute of Neuroscience, Newcastle University, Henry Wellcome Building, Framlington Place, Newcastle upon Tyne NE2 4HH, UK
| | | | - Daniel Nettle
- Centre for Behaviour and Evolution and Institute of Neuroscience, Newcastle University, Henry Wellcome Building, Framlington Place, Newcastle upon Tyne NE2 4HH, UK
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Abstract
PURPOSE OF REVIEW Clinical, epidemiological, and biological evidence raises the possibility that serious mental disorders (SMDs) are associated with accelerated biological aging. To the extent this is true; SMDs should not simply be considered in terms of mental illness or brain dysfunction, but also as 'whole body' and multisystem illnesses, or else as conditions with significant somatic concomitants. RECENT FINDINGS The concept of accelerated biological aging in SMDs is supported by reports of accelerated changes in certain biomarkers normally associated with the aging process. SUMMARY We define and discuss several proposed biological aging markers that have been examined in SMDs, we review the most recent findings, and we conclude with opinions regarding the merits and meanings of these markers, their usefulness in understanding and treating SMDs, and remaining questions and future directions in this area of research.
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18
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Han LKM, Verhoeven JE, Tyrka AR, Penninx BWJH, Wolkowitz OM, Månsson KNT, Lindqvist D, Boks MP, Révész D, Mellon SH, Picard M. Accelerating research on biological aging and mental health: Current challenges and future directions. Psychoneuroendocrinology 2019; 106:293-311. [PMID: 31154264 PMCID: PMC6589133 DOI: 10.1016/j.psyneuen.2019.04.004] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 01/22/2019] [Accepted: 04/02/2019] [Indexed: 12/13/2022]
Abstract
Aging is associated with complex biological changes that can be accelerated, slowed, or even temporarily reversed by biological and non-biological factors. This article focuses on the link between biological aging, psychological stressors, and mental illness. Rather than comprehensively reviewing this rapidly expanding field, we highlight challenges in this area of research and propose potential strategies to accelerate progress in this field. This effort requires the interaction of scientists across disciplines - including biology, psychiatry, psychology, and epidemiology; and across levels of analysis that emphasize different outcome measures - functional capacity, physiological, cellular, and molecular. Dialogues across disciplines and levels of analysis naturally lead to new opportunities for discovery but also to stimulating challenges. Some important challenges consist of 1) establishing the best objective and predictive biological age indicators or combinations of indicators, 2) identifying the basis for inter-individual differences in the rate of biological aging, and 3) examining to what extent interventions can delay, halt or temporarily reverse aging trajectories. Discovering how psychological states influence biological aging, and vice versa, has the potential to create novel and exciting opportunities for healthcare and possibly yield insights into the fundamental mechanisms that drive human aging.
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Affiliation(s)
- Laura KM Han
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Psychiatry, Amsterdam Public Health Research Institute, Oldenaller 1, The Netherlands,Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Psychiatry, Amsterdam Neuroscience, De Boelelaan 1117, Amsterdam, the Netherlands
| | - Josine E Verhoeven
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Psychiatry, Amsterdam Public Health Research Institute, Oldenaller 1, The Netherlands
| | - Audrey R Tyrka
- Butler Hospital and the Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Brenda WJH Penninx
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Psychiatry, Amsterdam Public Health Research Institute, Oldenaller 1, The Netherlands,Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Psychiatry, Amsterdam Neuroscience, De Boelelaan 1117, Amsterdam, the Netherlands
| | - Owen M Wolkowitz
- Department of Psychiatry and Weill Institute for Neurosciences, University of California, San Francisco, School of Medicine, San Francisco, CA, USA
| | - Kristoffer NT Månsson
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden,Department of Psychology, Stockholm University, Stockholm, Sweden,Department of Psychology, Uppsala University, Uppsala, Sweden
| | - Daniel Lindqvist
- Faculty of Medicine, Department of Clinical Sciences, Psychiatry, Lund University, Lund, Sweden,Department of Psychiatry, University of California San Francisco (UCSF) School of Medicine, San Francisco, CA, USA,Psychiatric Clinic, Lund, Division of Psychiatry, Lund, Sweden
| | - Marco P Boks
- Brain Center Rudolf Magnus, Department of Psychiatry, University Medical Center Utrecht, The Netherlands
| | - Dóra Révész
- Center of Research on Psychology in Somatic diseases (CoRPS), Department of Medical and Clinical Psychology, Tilburg University, Tilburg, The Netherlands
| | - Synthia H Mellon
- Department of Psychiatry and Weill Institute for Neurosciences, University of California, San Francisco, School of Medicine, San Francisco, CA, USA
| | - Martin Picard
- Department of Psychiatry, Division of Behavioral Medicine, Columbia University Medical Center, New York, NY, USA; Department of Neurology, H. Houston Merritt Center, Columbia Translational Neuroscience Initiative, Columbia University Medical Center, New York, NY, USA; Columbia Aging Center, Columbia University, New York, NY, USA.
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19
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Gillis JC, Chang SC, Wang W, Simon NM, Normand SL, Rosner BA, Blacker D, DeVivo I, Okereke OI. The relation of telomere length at midlife to subsequent 20-year depression trajectories among women. Depress Anxiety 2019; 36:565-575. [PMID: 30958913 PMCID: PMC6548605 DOI: 10.1002/da.22892] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 02/18/2019] [Accepted: 03/13/2019] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND Telomeres cap and protect DNA but shorten with each somatic cell division. Aging and environmental and lifestyle factors contribute to the speed of telomere attrition. Current evidence suggests a link between relative telomere length (RTL) and depression but the directionality of the relationship remains unclear. We prospectively examined associations between RTL and subsequent depressive symptom trajectories. METHODS Among 8,801 women of the Nurses' Health Study, depressive symptoms were measured every 4 years from 1992 to 2012; group-based trajectories of symptoms were identified using latent class growth-curve analysis. Multinomial logistic models were used to relate midlife RTLs to the probabilities of assignment to subsequent depressive symptom trajectory groups. RESULTS We identified four depressive symptom trajectory groups: minimal depressive symptoms (62%), worsening depressive symptoms (14%), improving depressive symptoms (19%), and persistent-severe depressive symptoms (5%). Longer midlife RTLs were related to significantly lower odds of being in the worsening symptoms trajectory versus minimal trajectory but not to other trajectories. In comparison with being in the minimal symptoms group, the multivariable-adjusted odds ratio of being in the worsening depressive symptoms group was 0.78 (95% confidence interval, 0.62-0.97; p = 0.02), for every standard deviation increase in baseline RTL. CONCLUSIONS In this large prospective study of generally healthy women, longer telomeres at midlife were associated with significantly lower risk of a subsequent trajectory of worsening mood symptoms over 20 years. The results raise the possibility of telomere shortening as a novel contributing factor to late-life depression.
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Affiliation(s)
- J. Cai Gillis
- Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115, USA,,Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, MA, 02115, USA
| | - Shun-Chiao Chang
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, MA, 02115, USA
| | - Wei Wang
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, MA, 02115, USA
| | - Naomi M. Simon
- Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA,Department of Psychiatry, NYU School of Medicine, One Park Avenue, New York NY 10016
| | - Sharon-Lise Normand
- Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115, USA,,Department of Health Care Policy, Harvard Medical School, 180 Longwood Avenue, Boston, MA, 02115, USA
| | - Bernard A. Rosner
- Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115, USA,,Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, MA, 02115, USA
| | - Deborah Blacker
- Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115, USA
| | - Immaculata DeVivo
- Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115, USA
| | - Olivia I. Okereke
- Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115, USA,,Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, MA, 02115, USA,,Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA
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20
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Diniz BS. The Molecular Intersection Between Senescence and Major Depression in the Elderly. Am J Geriatr Psychiatry 2018; 26:1097-1105. [PMID: 30150070 DOI: 10.1016/j.jagp.2018.07.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 07/02/2018] [Accepted: 07/16/2018] [Indexed: 01/01/2023]
Abstract
Major depressive disorder in the elderly-or late-life depression (LLD)-is one of the most common mental illnesses in the aging population. LLD has several negative effects on health and well-being. Individuals with LLD have an elevated risk of chronic and persistent depressive symptoms as well as high rates of treatment resistance. They also have a higher risk of developing cognitive impairment with progression to dementia and higher rates of medical comorbidity, frailty, and mortality. The mechanisms linking LLD to these adverse health outcomes are not well understood. In this article, we review the evidence that individuals with LLD present with, i.e., enhanced molecular and cellular senescent changes, focusing on the senescence-associated secretory phenotype (SASP). We then propose a mechanistic model linking SASP to the greater risk of negative health outcomes in this population. We finally provide evidence that SASP-and cellular senescence in general-can be a therapeutic target for mitigating the risk of these negative outcomes in LLD.
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Affiliation(s)
- Breno S Diniz
- Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto; Geriatric Psychiatry Division, Center for Addiction and Mental Health, Toronto, ON, Canada.
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21
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Manoliu A, Bosch OG, Brakowski J, Brühl AB, Seifritz E. The potential impact of biochemical mediators on telomere attrition in major depressive disorder and implications for future study designs: A narrative review. J Affect Disord 2018; 225:630-646. [PMID: 28889049 DOI: 10.1016/j.jad.2017.08.022] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 05/30/2017] [Accepted: 08/10/2017] [Indexed: 12/17/2022]
Abstract
BACKGROUND Major depressive disorder (MDD) has been proposed to represent a "disease of premature aging", which is associated with certain biomarkers of cellular ageing and numerous other age-related diseases. Over the last decade, telomere length (TL) arose as a surrogate for cellular aging. Recent data suggests that TL might be reduced in patients with MDD, however, results are still inconclusive. This might be explained by the lack of assessment of potential biochemical mediators that are directly associated with telomere shortening and frequently observed in patients with MDD. METHODS A narrative review was performed. The PubMed database was searched for relevant studies. RESULTS We identified four major mediators, which are recurrently reported in patients with MDD and are associated with reduced TL: inflammation/oxidative stress, dysregulation of the hypothalamic-pituitary-adrenal axis, metabolic dysbalance including insulin resistance, and decreased brain-derived neurotrophic factor. These mediators are also mutually associated and were not systematically assessed in current studies investigating TL and MDD, which might explain inconclusive findings across current literature. Finally, we discuss possible ways to assess those mediators and potential implications of such approaches for future research. LIMITATIONS The majority of identified studies had cross-sectional designs and used heterogeneous methods to assess TL and associated relevant biochemical mediators. CONCLUSIONS A better understanding of the complex interactions between biochemical mediators, somatic comorbidities and shortened telomeres in patients with MDD might further specify the pathophysiology-based conceptualization and, based on that, personalized treatment of MDD.
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Affiliation(s)
- Andrei Manoliu
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric University Hospital, University of Zurich, Lenggstrasse 31, CH-8032 Zurich, Switzerland.
| | - Oliver G Bosch
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric University Hospital, University of Zurich, Lenggstrasse 31, CH-8032 Zurich, Switzerland
| | - Janis Brakowski
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric University Hospital, University of Zurich, Lenggstrasse 31, CH-8032 Zurich, Switzerland
| | - Annette B Brühl
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric University Hospital, University of Zurich, Lenggstrasse 31, CH-8032 Zurich, Switzerland; Department of Psychiatry and Behavioural and Clinical Neuroscience Institute, University of Cambridge, Cambridge, UK
| | - Erich Seifritz
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric University Hospital, University of Zurich, Lenggstrasse 31, CH-8032 Zurich, Switzerland
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22
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Sild M, Ruthazer ES, Booij L. Major depressive disorder and anxiety disorders from the glial perspective: Etiological mechanisms, intervention and monitoring. Neurosci Biobehav Rev 2017; 83:474-488. [DOI: 10.1016/j.neubiorev.2017.09.014] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 08/08/2017] [Accepted: 09/11/2017] [Indexed: 12/12/2022]
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23
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Lopizzo N, Tosato S, Begni V, Tomassi S, Cattane N, Barcella M, Turco G, Ruggeri M, Riva MA, Pariante CM, Cattaneo A. Transcriptomic analyses and leukocyte telomere length measurement in subjects exposed to severe recent stressful life events. Transl Psychiatry 2017; 7:e1042. [PMID: 28221367 PMCID: PMC5438034 DOI: 10.1038/tp.2017.5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Revised: 11/23/2016] [Accepted: 12/08/2016] [Indexed: 02/07/2023] Open
Abstract
Stressful life events occurring in adulthood have been found able to affect mood and behavior, thus increasing the vulnerability for several stress-related psychiatric disorders. However, although there is plenty of clinical data supporting an association between stressful life events in adulthood and an enhanced vulnerability for psychopathology, the underlying molecular mechanisms are still poorly investigated. Thus, in this study we performed peripheral/whole-genome transcriptomic analyses in blood samples obtained from 53 adult subjects characterized for recent stressful life events occurred within the previous 6 months. Transcriptomic data were analyzed using Partek Genomics Suite; pathway and network analyses were performed using Ingenuity Pathway Analysis and GeneMANIA Software. We found 207 genes significantly differentially expressed in adult subjects who reported recent stressful life experiences (n=21) compared with those without such experiences (n=32). Moreover, the same subjects exposed to such stressful experiences showed a reduction in leukocyte telomere length. A correlation analyses between telomere length and transcriptomic data indicated an association between the exposures to recent stressful life events and the modulation of several pathways, mainly involved in immune-inflammatory-related processes and oxidative stress, such as natural killer cell signaling, interleukin-1 (IL-1) signaling, MIF regulation of innate immunity and IL-6 signaling. Our data suggest an association between exposures to recent stressful life events in adulthood and alterations in the immune, inflammatory and oxidative stress pathways, which could be also involved in the negative effect of stressful life events on leukocyte telomere length. The modulation of these mechanisms may underlie the clinical association between the exposure to recent Stressful life events in adulthood and an enhanced vulnerability to develop psychiatric diseases in adulthood.
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Affiliation(s)
- N Lopizzo
- Biological Psychiatry Unit, IRCCS Fatebenefratelli S. Giovanni di Dio, Brescia, Italy
| | - S Tosato
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Psychiatry, University of Verona, Verona, Italy
| | - V Begni
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy
| | - S Tomassi
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Psychiatry, University of Verona, Verona, Italy
| | - N Cattane
- Biological Psychiatry Unit, IRCCS Fatebenefratelli S. Giovanni di Dio, Brescia, Italy
| | - M Barcella
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Psychiatry, University of Verona, Verona, Italy
| | - G Turco
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Psychiatry, University of Verona, Verona, Italy
| | - M Ruggeri
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Psychiatry, University of Verona, Verona, Italy
| | - M A Riva
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy
| | - C M Pariante
- Stress, Psychiatry and Immunology Laboratory, Department of Psychological Medicine, Institute of Psychiatry, King's College, London, London, UK
| | - A Cattaneo
- Biological Psychiatry Unit, IRCCS Fatebenefratelli S. Giovanni di Dio, Brescia, Italy,Stress, Psychiatry and Immunology Laboratory, Department of Psychological Medicine, Institute of Psychiatry, King's College, London, London, UK,Stress, Psychiatry and Immunology Laboratory, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK. E-mail:
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24
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Schoormans D, Pedersen SS, Dalton S, Rottmann N, van de Poll-Franse L. Cardiovascular co-morbidity in cancer patients: the role of psychological distress. CARDIO-ONCOLOGY 2016; 2:9. [PMID: 33530146 PMCID: PMC7837146 DOI: 10.1186/s40959-016-0019-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Accepted: 11/01/2016] [Indexed: 11/27/2022]
Abstract
Due to aging of the population and cardiotoxic cancer treatment, there is an increasing group of patients with cancer and co-morbid cardiovascular disease (CVD). In order to find a balance between the risk of undertreating the malignancy on the one hand and inducing CVD on the other hand, CVD risk stratification at the time of cancer diagnosis and knowledge on the pathway for developing incident CVD in cancer patients is vital. In this paper, we propose an adapted multiple-hit hypothesis for developing CVD in cancer patients describing that patients with cancer are exposed to a series of sequential or concurrent events that together make them more vulnerable to reduced cardiovascular reserves, development of incident CVD and ultimately death. We highlight the possible impact of psychological distress secondary to a cancer diagnosis and/or treatment, which in turn may increase the risk of incident CVD in patients diagnosed with cancer. Furthermore, we discuss potential behavioral and pathophysiological mechanisms underlying the link between psychological distress and the pathophysiology of incident CVD. In addition, key unanswered questions for future research are posed. In the future, researching the adapted multiple-hit hypothesis for developing CVD among cancer patients will hopefully advance the care of cancer patients by finding some of the missing pieces of the puzzle. To do so, we need to focus on minimizing cardiovascular risk and promoting cardiovascular health in cancer patients by addressing the knowledge gaps formulated in this paper.
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Affiliation(s)
- Dounya Schoormans
- Department of Medical and Clinical Psychology, Center of Research on Psychology in Somatic diseases (CoRPS) Tilburg University, Warandelaan 2, Tilburg, 5000 LE, The Netherlands.
| | - Susanne S Pedersen
- Department of Psychology, University of Southern Denmark, Odense, Denmark.,Department of Cardiology, Odense University Hospital, Odense, Denmark
| | - Susanne Dalton
- Survivorship Unit, Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Nina Rottmann
- Department of Psychology, University of Southern Denmark, Odense, Denmark.,Department of Public Health, National Research Center for Cancer Rehabilitation, Research Unit of General Practice, University of Southern Denmark, Odense, Denmark
| | - Lonneke van de Poll-Franse
- Department of Medical and Clinical Psychology, Center of Research on Psychology in Somatic diseases (CoRPS) Tilburg University, Warandelaan 2, Tilburg, 5000 LE, The Netherlands.,Division of Psychosocial Research and Epidemiology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Comprehensive Cancer Organization Netherlands, Eindhoven, The Netherlands
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25
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Gamma-H2AX upregulation caused by Wip1 deficiency increases depression-related cellular senescence in hippocampus. Sci Rep 2016; 6:34558. [PMID: 27686532 PMCID: PMC5043360 DOI: 10.1038/srep34558] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 09/14/2016] [Indexed: 12/21/2022] Open
Abstract
The PP2C family member Wild-type p53-induced phosphatase 1 (Wip1) critically regulates DNA damage response (DDR) under stressful situations. In the present study, we investigated whether Wip1 expression was involved in the regulation of DDR-induced and depression-related cellular senescence in mouse hippocampus. We found that Wip1 gene knockout (KO) mice showed aberrant elevation of hippocampal cellular senescence and of γ-H2AX activity, which is known as a biomarker of DDR and cellular senescence, indicating that the lack of Wip1-mediated γ-H2AX dephosphorylation facilitates cellular senescence in hippocampus. Administration of the antidepressant fluoxetine had no significant effects on the increased depression-like behaviors, enriched cellular senescence, and aberrantly upregulated hippocampal γ-H2AX activity in Wip1 KO mice. After wildtype C57BL/6 mice were exposed to the procedure of chronic unpredictable mild stress (CUMS), cellular senescence and γ-H2AX activity in hippocampus were also elevated, accompanied by the suppression of Wip1 expression in hippocampus when compared to the control group without CUMS experience. These CUMS-induced symptoms were effectively prevented following fluoxetine administration in wildtype C57BL/6 mice, with the normalization of depression-like behaviors. Our data demonstrate that Wip1-mediated γ-H2AX dephosphorylation may play an important role in the occurrence of depression-related cellular senescence.
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Révész D, Verhoeven JE, Milaneschi Y, Penninx BWJH. Depressive and anxiety disorders and short leukocyte telomere length: mediating effects of metabolic stress and lifestyle factors. Psychol Med 2016; 46:2337-2349. [PMID: 27266474 DOI: 10.1017/s0033291716000891] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Depressive and anxiety disorders are associated with shorter leukocyte telomere length (LTL), an indicator of cellular aging. It is, however, unknown which pathways underlie this association. This study examined the extent to which lifestyle factors and physiological changes such as inflammatory or metabolic alterations mediate the relationship. METHOD We applied mediation analysis techniques to data from 2750 participants of the Netherlands Study of Depression and Anxiety. LTL was assessed using quantitative polymerase chain reaction. Independent variables were current depressive (30-item Inventory of Depressive Symptoms - Self Report) and anxiety (21-item Beck's Anxiety Inventory) symptoms and presence of a depressive or anxiety disorder diagnosis based on DSM-IV; mediator variables included physiological stress systems, metabolic syndrome components and lifestyle factors. RESULTS Short LTL was associated with higher symptom severity (B = -2.4, p = 0.002) and current psychiatric diagnosis (B = -63.3, p = 0.024). C-reactive protein, interleukin-6, waist circumference, triglycerides, high-density lipoprotein cholesterol and cigarette smoking were significant mediators in the relationship between psychopathology and LTL. When all significant mediators were included in one model, the effect sizes of the relationships between LTL and symptom severity and current diagnosis were reduced by 36.7 and 32.7%, respectively, and the remaining direct effects were no longer significant. CONCLUSIONS Pro-inflammatory cytokines, metabolic alterations and cigarette smoking are important mediators of the association between depressive and anxiety disorders and LTL. This calls for future research on intervention programs that take into account lifestyle changes in mental health care settings.
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Affiliation(s)
- D Révész
- Department of Psychiatry and EMGO Institute for Health and Care Research,VU University Medical Center,Amsterdam,The Netherlands
| | - J E Verhoeven
- Department of Psychiatry and EMGO Institute for Health and Care Research,VU University Medical Center,Amsterdam,The Netherlands
| | - Y Milaneschi
- Department of Psychiatry and EMGO Institute for Health and Care Research,VU University Medical Center,Amsterdam,The Netherlands
| | - B W J H Penninx
- Department of Psychiatry and EMGO Institute for Health and Care Research,VU University Medical Center,Amsterdam,The Netherlands
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27
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Hough CM, Bersani FS, Mellon SH, Epel ES, Reus VI, Lindqvist D, Lin J, Mahan L, Rosser R, Burke H, Coetzee J, Nelson JC, Blackburn EH, Wolkowitz OM. Leukocyte telomere length predicts SSRI response in major depressive disorder: A preliminary report. MOLECULAR NEUROPSYCHIATRY 2016; 2:88-96. [PMID: 27429957 DOI: 10.1159/000446500] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Short leukocyte telomere length (LTL) may be associated with several psychiatric disorders, including major depressive disorder (MDD). Short LTL has previously been associated with poor response to psychiatric medications in bipolar disorder and schizophrenia, but no studies have prospectively assessed the relationship of LTL to SSRI response in MDD. We assessed pre-treatment LTL, depression severity (using the Hamilton Depression Rating Scale [HDRS]), and self-reported positive and negative affect in 27 healthy, unmedicated adults with MDD. Subjects then underwent open-label treatment with a selective serotonin reuptake inhibitor (SSRI) antidepressant for eight weeks, after which clinical ratings were repeated. Analyses were corrected for age, sex and BMI. "Non-responders" to treatment (HDRS improvement <50%) had significantly shorter pre-treatment LTL, compared to "Responders" (p=0.037). Further, shorter pre-treatment LTL was associated with less improvement in negative affect (p<0.010) but not with changes in positive affect (p=0.356). This preliminary study is the first to assess the relationship between LTL and SSRI response in MDD and among the first to prospectively assess its relationship to treatment outcome in any psychiatric illness. Our data suggest that short LTL may serve as a vulnerability index of poorer response to SSRI treatment, but this needs examination in larger samples.
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Affiliation(s)
- Christina M Hough
- Department of Psychiatry, University of California San Francisco (UCSF) School of Medicine, San Francisco, CA, USA
| | - F Saverio Bersani
- Department of Psychiatry, University of California San Francisco (UCSF) School of Medicine, San Francisco, CA, USA; Department of Neurology and Psychiatry, Sapienza University of Rome, Rome, Italy
| | - Synthia H Mellon
- Department of OB/GYN and Reproductive Science, UCSF School of Medicine, San Francisco, CA, USA
| | - Elissa S Epel
- Department of Psychiatry, University of California San Francisco (UCSF) School of Medicine, San Francisco, CA, USA
| | - Victor I Reus
- Department of Psychiatry, University of California San Francisco (UCSF) School of Medicine, San Francisco, CA, USA
| | - Daniel Lindqvist
- Department of Psychiatry, University of California San Francisco (UCSF) School of Medicine, San Francisco, CA, USA; Department of Clinical Sciences, Section for Psychiatry, Lund University, Lund, Sweden
| | - Jue Lin
- Department of Biochemistry and Biophysics, UCSF School of Medicine, San Francisco, CA, USA
| | - Laura Mahan
- Department of Psychiatry, University of California San Francisco (UCSF) School of Medicine, San Francisco, CA, USA
| | - Rebecca Rosser
- Department of Psychiatry, University of California San Francisco (UCSF) School of Medicine, San Francisco, CA, USA
| | - Heather Burke
- Department of Psychiatry, University of California San Francisco (UCSF) School of Medicine, San Francisco, CA, USA
| | - John Coetzee
- Department of Psychiatry, University of California San Francisco (UCSF) School of Medicine, San Francisco, CA, USA
| | - J Craig Nelson
- Department of Psychiatry, University of California San Francisco (UCSF) School of Medicine, San Francisco, CA, USA
| | - Elizabeth H Blackburn
- Department of Biochemistry and Biophysics, UCSF School of Medicine, San Francisco, CA, USA
| | - Owen M Wolkowitz
- Department of Psychiatry, University of California San Francisco (UCSF) School of Medicine, San Francisco, CA, USA
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28
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Depressionen im höheren Lebensalter, Teil 1. Z Gerontol Geriatr 2016; 49:335-48. [DOI: 10.1007/s00391-015-1019-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 11/11/2015] [Accepted: 12/22/2015] [Indexed: 12/29/2022]
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29
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Tyrka AR, Parade SH, Price LH, Kao HT, Porton B, Philip NS, Welch ES, Carpenter LL. Alterations of Mitochondrial DNA Copy Number and Telomere Length With Early Adversity and Psychopathology. Biol Psychiatry 2016; 79:78-86. [PMID: 25749099 PMCID: PMC4503518 DOI: 10.1016/j.biopsych.2014.12.025] [Citation(s) in RCA: 180] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Revised: 12/22/2014] [Accepted: 12/31/2014] [Indexed: 12/25/2022]
Abstract
BACKGROUND Telomere shortening and alterations of mitochondrial biogenesis are involved in cellular aging. Childhood adversity is associated with telomere shortening, and several investigations have shown short telomeres in psychiatric disorders. Recent studies have examined whether mitochondria might be involved in neuropsychiatric conditions; findings are limited and no prior work has examined this in relation to stress exposure. METHODS Two-hundred ninety healthy adults provided information on childhood parental loss and maltreatment and completed diagnostic interviews. Participants were categorized into four groups based upon the presence or absence of childhood adversity and the presence or absence of lifetime psychopathology (depressive, anxiety, and substance use disorders). Telomere length and mitochondrial DNA (mtDNA) copy number were measured from leukocyte DNA by quantitative polymerase chain reaction. RESULTS Childhood adversity and lifetime psychopathology were each associated with shorter telomeres (p < .01) and higher mtDNA copy numbers (p < .001). Significantly higher mtDNA copy numbers and shorter telomeres were seen in individuals with major depression, depressive disorders, and anxiety disorders, as well as those with parental loss and childhood maltreatment. A history of substance disorders was also associated with significantly higher mtDNA copy numbers. CONCLUSIONS This study provides the first evidence of an alteration of mitochondrial biogenesis with early life stress and with anxiety and substance use disorders. We replicate prior work on telomere length and psychopathology and show that this effect is not secondary to medication use or comorbid medical illness. Finally, we show that early life stress and psychopathology are each associated with these markers of cellular aging.
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Affiliation(s)
- Audrey R. Tyrka
- Mood Disorders Research Program and Laboratory for Clinical and Translational Neuroscience, Butler Hospital, Providence, RI, USA,Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA
| | - Stephanie H. Parade
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA,Bradley/Hasbro Children’s Research Center, E. P. Bradley Hospital, East Providence, RI, USA
| | - Lawrence H. Price
- Mood Disorders Research Program and Laboratory for Clinical and Translational Neuroscience, Butler Hospital, Providence, RI, USA,Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA
| | - Hung-Teh Kao
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA,Laboratory of Molecular Psychiatry, Butler Hospital, Providence, RI, USA
| | - Barbara Porton
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA,Laboratory of Molecular Psychiatry, Butler Hospital, Providence, RI, USA
| | - Noah S. Philip
- Mood Disorders Research Program and Laboratory for Clinical and Translational Neuroscience, Butler Hospital, Providence, RI, USA,Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA
| | - Emma S. Welch
- Mood Disorders Research Program and Laboratory for Clinical and Translational Neuroscience, Butler Hospital, Providence, RI, USA
| | - Linda L. Carpenter
- Mood Disorders Research Program and Laboratory for Clinical and Translational Neuroscience, Butler Hospital, Providence, RI, USA,Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA
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Bersani FS, Lindqvist D, Mellon SH, Epel ES, Yehuda R, Flory J, Henn-Hasse C, Bierer LM, Makotkine I, Abu-Amara D, Coy M, Reus VI, Lin J, Blackburn EH, Marmar C, Wolkowitz OM. Association of dimensional psychological health measures with telomere length in male war veterans. J Affect Disord 2016; 190:537-542. [PMID: 26571103 DOI: 10.1016/j.jad.2015.10.037] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Revised: 10/12/2015] [Accepted: 10/16/2015] [Indexed: 12/24/2022]
Abstract
BACKGROUND Several psychiatric disorders may be characterized by peripheral telomere shortening. However, it is unclear whether telomere shortening is associated with these psychiatric disorders per se or, rather, with underlying dimensional parameters that are often, but not necessarily, associated with them. We explored the association between dimensional psychopathological measures and telomere length (TL) in granulocytes among veterans independent of psychiatric diagnosis. METHODS Seventy-six combat-exposed male veterans (41 psychiatrically healthy, 18 with Posttraumatic Stress Disorder [PTSD] and 17 with concomitant PTSD and Major Depressive Disorder [MDD]) had TL assayed. Assessments included Clinician-Administered PTSD Scale (CAPS), Beck Depression Inventory-II (BDI-II), Early Trauma Inventory (ETI), Symptom Checklist-90-R Global Severity Index (SCL-90-GSI), Perceived Stress Scale (PSS) and Positive and Negative Affect Schedule (PANAS). Correlations were corrected for age, BMI, antidepressants and ethnicity. RESULTS Across subjects, TL was negatively correlated with early trauma (p<0.001), global psychopathological severity (p=0.044) and perceived stress (p=0.019), positively correlated with positive affect (p=0.026), not significantly correlated with symptom severity of PTSD, depression or negative affect. Across these dimensions, early trauma and positive affect were associated with TL after excluding subjects with somatic illnesses. LIMITATIONS The study was cross-sectional with a moderate sample size and only male combat-exposed subjects. CONCLUSIONS These preliminary findings suggest that early trauma, severity of perceived stress and general psychopathological symptoms are more closely associated with shorter TL than is the severity of core diagnostic symptoms of PTSD or MDD, whereas positive affect is associated with longer TL. Larger-scale studies should assess TL associated with specific psychiatric dimensions, apart from only categorical psychiatric diagnoses, to develop more specific biologically-relevant endophenotypes.
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Affiliation(s)
- Francesco S Bersani
- Department of Psychiatry, University of California San Francisco, San Francisco, CA, USA; Department of Neurology and Psychiatry, Sapienza University of Rome, Rome, Italy
| | - Daniel Lindqvist
- Department of Psychiatry, University of California San Francisco, San Francisco, CA, USA; Department of Clinical Sciences, Section for Psychiatry, Lund University, Lund, Sweden
| | - Synthia H Mellon
- Department of OB/GYN and Reproductive Science, University of California San Francisco, San Francisco, CA, USA
| | - Elissa S Epel
- Department of Psychiatry, University of California San Francisco, San Francisco, CA, USA; Center for Health and Community, University of California San Francisco, San Francisco, CA, USA
| | - Rachel Yehuda
- Department of Psychiatry, MSSM/James J. Peters Veterans Administration Medical Center, New York, NY, USA
| | - Janine Flory
- Department of Psychiatry, MSSM/James J. Peters Veterans Administration Medical Center, New York, NY, USA
| | - Clare Henn-Hasse
- Department of Psychiatry, Steven and Alexandra Cohen Veterans Center for Posttraumatic Stress and Traumatic Brain Injury, New York, NY, USA
| | - Linda M Bierer
- Department of Psychiatry, MSSM/James J. Peters Veterans Administration Medical Center, New York, NY, USA
| | - Iouri Makotkine
- Department of Psychiatry, MSSM/James J. Peters Veterans Administration Medical Center, New York, NY, USA
| | - Duna Abu-Amara
- Department of Psychiatry, Steven and Alexandra Cohen Veterans Center for Posttraumatic Stress and Traumatic Brain Injury, New York, NY, USA
| | - Michelle Coy
- Department of Psychiatry, University of California San Francisco, San Francisco, CA, USA
| | - Victor I Reus
- Department of Psychiatry, University of California San Francisco, San Francisco, CA, USA
| | - Jue Lin
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA, USA
| | - Elizabeth H Blackburn
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA, USA
| | - Charles Marmar
- Department of Psychiatry, Steven and Alexandra Cohen Veterans Center for Posttraumatic Stress and Traumatic Brain Injury, New York, NY, USA
| | - Owen M Wolkowitz
- Department of Psychiatry, University of California San Francisco, San Francisco, CA, USA.
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Association of telomere length and mitochondrial DNA copy number with risperidone treatment response in first-episode antipsychotic-naïve schizophrenia. Sci Rep 2015; 5:18553. [PMID: 26680692 PMCID: PMC4683467 DOI: 10.1038/srep18553] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Accepted: 11/20/2015] [Indexed: 12/13/2022] Open
Abstract
Accumulating evidence indicates a putative association of telomere length and mitochondrial function with antipsychotics response in schizophrenia (SCZ). However, pharmacological findings were limited and no previous work has assessed this in a prospective longitudinal study. This study assessed telomere length and mitochondrial DNA copy number in first-episode antipsychotic-naïve SCZ patients with 8-week risperidone treatment to evaluate the association between these biomarkers and clinical treatment response. We recruited 137 first-episode antipsychotic-naive SCZ patients (and 144 controls) at baseline and 89 patients completed the 8-week follow-up. Patients, completed follow-up, were divided into Responders (N = 46) and Non-Responders (N = 43) according to the percentage of symptoms improvement. Linear regression analyses show that SCZ patients had significantly lower mtDNA copy number (β = -0.108, p = 0.002), and no alteration of telomere length when compared with healthy controls. In addition, compared with Non-Responders, Responders had significantly lower mtDNA copy number (β = -0.178, p = 0.001), and longer telomere length (β = 0.111, p = 0.071) before the 8-week treatment. After treatment, Responders persisted lower mtDNA copy number comparing with No-Responders (partial η(2) = 0.125, p = 0.001). These findings suggest that telomere length and mtDNA copy number may hold the potential to serve as predictors of antipsychotic response of SCZ patients.
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Summaries of plenary, symposia, and oral sessions at the XXII World Congress of Psychiatric Genetics, Copenhagen, Denmark, 12-16 October 2014. Psychiatr Genet 2015; 26:1-47. [PMID: 26565519 DOI: 10.1097/ypg.0000000000000112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The XXII World Congress of Psychiatric Genetics, sponsored by the International Society of Psychiatric Genetics, took place in Copenhagen, Denmark, on 12-16 October 2014. A total of 883 participants gathered to discuss the latest findings in the field. The following report was written by student and postdoctoral attendees. Each was assigned one or more sessions as a rapporteur. This manuscript represents topics covered in most, but not all of the oral presentations during the conference, and contains some of the major notable new findings reported.
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Lindqvist D, Epel ES, Mellon SH, Penninx BW, Révész D, Verhoeven JE, Reus VI, Lin J, Mahan L, Hough CM, Rosser R, Bersani FS, Blackburn EH, Wolkowitz OM. Psychiatric disorders and leukocyte telomere length: Underlying mechanisms linking mental illness with cellular aging. Neurosci Biobehav Rev 2015; 55:333-64. [PMID: 25999120 PMCID: PMC4501875 DOI: 10.1016/j.neubiorev.2015.05.007] [Citation(s) in RCA: 220] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Revised: 05/06/2015] [Accepted: 05/10/2015] [Indexed: 10/23/2022]
Abstract
Many psychiatric illnesses are associated with early mortality and with an increased risk of developing physical diseases that are more typically seen in the elderly. Moreover, certain psychiatric illnesses may be associated with accelerated cellular aging, evidenced by shortened leukocyte telomere length (LTL), which could underlie this association. Shortened LTL reflects a cell's mitotic history and cumulative exposure to inflammation and oxidation as well as the availability of telomerase, a telomere-lengthening enzyme. Critically short telomeres can cause cells to undergo senescence, apoptosis or genomic instability, and shorter LTL correlates with poorer health and predicts mortality. Emerging data suggest that LTL may be reduced in certain psychiatric illnesses, perhaps in proportion to exposure to the psychiatric illnesses, although conflicting data exist. Telomerase has been less well characterized in psychiatric illnesses, but a role in depression and in antidepressant and neurotrophic effects has been suggested by preclinical and clinical studies. In this article, studies on LTL and telomerase activity in psychiatric illnesses are critically reviewed, potential mediators are discussed, and future directions are suggested. A deeper understanding of cellular aging in psychiatric illnesses could lead to re-conceptualizing them as systemic illnesses with manifestations inside and outside the brain and could identify new treatment targets.
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Affiliation(s)
- Daniel Lindqvist
- Department of Clinical Sciences, Section for Psychiatry, Lund University, Lund, Sweden; Department of Psychiatry, University of California San Francisco (UCSF), School of Medicine, San Francisco, CA, USA
| | - Elissa S Epel
- Department of Psychiatry, University of California San Francisco (UCSF), School of Medicine, San Francisco, CA, USA
| | - Synthia H Mellon
- Department of OB-GYN and Reproductive Sciences, UCSF School of Medicine, San Francisco, CA, USA
| | - Brenda W Penninx
- Department of Psychiatry and EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
| | - Dóra Révész
- Department of Psychiatry and EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
| | - Josine E Verhoeven
- Department of Psychiatry and EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
| | - Victor I Reus
- Department of Psychiatry, University of California San Francisco (UCSF), School of Medicine, San Francisco, CA, USA
| | - Jue Lin
- Department of Biochemistry and Biophysics, UCSF School of Medicine, San Francisco, CA, USA
| | - Laura Mahan
- Department of Psychiatry, University of California San Francisco (UCSF), School of Medicine, San Francisco, CA, USA
| | - Christina M Hough
- Department of Psychiatry, University of California San Francisco (UCSF), School of Medicine, San Francisco, CA, USA
| | - Rebecca Rosser
- Department of Psychiatry, University of California San Francisco (UCSF), School of Medicine, San Francisco, CA, USA
| | - F Saverio Bersani
- Department of Psychiatry, University of California San Francisco (UCSF), School of Medicine, San Francisco, CA, USA; Department of Neurology and Psychiatry, Sapienza University of Rome, Rome, Italy
| | - Elizabeth H Blackburn
- Department of Biochemistry and Biophysics, UCSF School of Medicine, San Francisco, CA, USA
| | - Owen M Wolkowitz
- Department of Psychiatry, University of California San Francisco (UCSF), School of Medicine, San Francisco, CA, USA.
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Lebedeva A, Borza T, Håberg AK, Idland AV, Dalaker TO, Aarsland D, Selbaek G, Beyer MK. Neuroanatomical correlates of late-life depression and associated cognitive changes. Neurobiol Aging 2015; 36:3090-3099. [PMID: 26277679 DOI: 10.1016/j.neurobiolaging.2015.04.020] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 04/25/2015] [Accepted: 04/27/2015] [Indexed: 01/08/2023]
Abstract
We compared cortical thickness between patients with late-life depression (LLD) and healthy controls and between patients with early-onset (EOD) and late-onset (LOD) depression. We also tested age effects on cortical thickness in LLD and controls and if cortical thickness and hippocampal volumes were associated with cognitive performance in LLD. Three-dimensional T1-weighted magnetic resonance images were obtained in 49 LLD and 49 matched hospital controls and processed using FreeSurfer. General linear model analysis was used as a statistical approach. LLD group had thinning in the left parahippocampal, fusiform, and inferior-parietal cortex compared with controls. Age correlated with cortical thinning in controls but not in LLD. Women in the LOD groups had extensive cortical thinning in the lateral prefrontal cortex bilaterally compared with EOD women. Absence of statistically significant changes observed in men should however be treated with caution because of the low number of men in the study. Mini-Mental Status Examination score correlated with lateral prefrontal cortical thickness bilaterally and hippocampal volume in the total group of LLD and in LOD but not EOD. LLD is associated with cortical thinning, which is associated with age at depression onset, gender, and level of cognitive functioning.
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Affiliation(s)
- Aleksandra Lebedeva
- Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Stockholm, Sweden.
| | - Tom Borza
- Centre for Old Age Psychiatric Research, Innlandet Hospital Trust, Ottestad, Norway
| | - Asta Kristine Håberg
- Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway; Department of Medical Imaging, St Olav University Hospital, Trondheim, Norway
| | - Ane-Victoria Idland
- Oslo Delirium Research Group, Department of Geriatric Medicine, Oslo University Hospital, Oslo, Norway; Institute of Clinical Medicine, Campus AHUS, University of Oslo, Oslo, Norway
| | - Turi Olene Dalaker
- Department of Radiology, Stavanger University Hospital, Stavanger, Norway
| | - Dag Aarsland
- Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Stockholm, Sweden; Center for Age-Related Medicine, Stavanger University Hospital, Stavanger, Norway
| | - Geir Selbaek
- Centre for Old Age Psychiatric Research, Innlandet Hospital Trust, Ottestad, Norway; Norwegian National Advisory Unit for Ageing and Health, Vestfold Hospital Trust, Tønsberg, Norway; Akershus University Hospital, Lørenskog, Norway
| | - Mona K Beyer
- Department of Radiology and Nuclear Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
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Schutte NS, Malouff JM. The association between depression and leukocyte telomere length: a meta-analysis. Depress Anxiety 2015; 32:229-38. [PMID: 25709105 DOI: 10.1002/da.22351] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2014] [Revised: 12/03/2014] [Accepted: 12/12/2014] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Telomeres protect the ends of chromosomes, and shorter leukocyte telomeres are associated with poor health. Depression may be associated with the shortening of leukocyte telomeres. The present study set out to consolidate the varying effect sizes found so far in studies of depression and telomere length and to identify moderators of the relationship between depression and telomere length. METHODS A meta-analytic investigation of the relationship between depression and leukocyte telomere length used information from 21,040 participants. RESULTS A significant effect size, r = -.12, P < .001, indicated that depression was associated with shorter telomere length. Several variables significantly moderated effect size. Concurrent associations (k = 25) between depression and telomere length were significantly stronger than longitudinal associations (k = 5). Studies that used the Southern blot (k = 3) and fluorescent in situ hybridization (FISH; k = 2) assays to measure telomere length showed larger effect sizes than studies that used quantitative polymerase chain reaction (qPCR; k = 25). Finally, study reports that indicated that the telomere assays were conducted blind to depression level of participants (k = 11) had significantly lower effect sizes than those of other studies (k = 19). CONCLUSIONS The significant relationship between depression and shorter telomere length is consistent with a theoretical model positing that distress, such as experienced in depression, results in physiological changes leading to shortened telomeres.
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Fibroblasts from patients with major depressive disorder show distinct transcriptional response to metabolic stressors. Transl Psychiatry 2015; 5:e523. [PMID: 25756806 PMCID: PMC4354345 DOI: 10.1038/tp.2015.14] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Revised: 12/12/2014] [Accepted: 12/19/2014] [Indexed: 12/13/2022] Open
Abstract
Major depressive disorder (MDD) is increasingly viewed as interplay of environmental stressors and genetic predisposition, and recent data suggest that the disease affects not only the brain, but the entire body. As a result, we aimed at determining whether patients with major depression have aberrant molecular responses to stress in peripheral tissues. We examined the effects of two metabolic stressors, galactose (GAL) or reduced lipids (RL), on the transcriptome and miRNome of human fibroblasts from 16 pairs of patients with MDD and matched healthy controls (CNTR). Our results demonstrate that both MDD and CNTR fibroblasts had a robust molecular response to GAL and RL challenges. Most importantly, a significant part (messenger RNAs (mRNAs): 26-33%; microRNAs (miRNAs): 81-90%) of the molecular response was only observed in MDD, but not in CNTR fibroblasts. The applied metabolic challenges uncovered mRNA and miRNA signatures, identifying responses to each stressor characteristic for the MDD fibroblasts. The distinct responses of MDD fibroblasts to GAL and RL revealed an aberrant engagement of molecular pathways, such as apoptosis, regulation of cell cycle, cell migration, metabolic control and energy production. In conclusion, the metabolic challenges evoked by GAL or RL in dermal fibroblasts exposed adaptive dysfunctions on mRNA and miRNA levels that are characteristic for MDD. This finding underscores the need to challenge biological systems to bring out disease-specific deficits, which otherwise might remain hidden under resting conditions.
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Telomere length and hypothalamic-pituitary-adrenal axis response to stress in elderly adults. Psychoneuroendocrinology 2015; 53:179-84. [PMID: 25622010 DOI: 10.1016/j.psyneuen.2014.12.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Revised: 12/28/2014] [Accepted: 12/29/2014] [Indexed: 10/24/2022]
Abstract
OBJECTIVE Telomere shortening, a biomarker of cellular aging, has been associated with aging-related diseases. While psychological stress has been implicated in the process of telomere shortening, associations with activity of physiological stress systems have remained elusive. We studied whether leukocyte telomere length (LTL) is associated with hypothalamic-pituitary-adrenal (HPA) axis responses to psychosocial stress in elderly adults. METHODS LTL, measured by qPCR method was available in 1964 women and men from the Helsinki Birth Cohort Study at a mean age of 61.5 (SD=2.9) years. At a mean age of 63.5 (SD=2.7) years a subsample of them took part in the Trier Social Stress Test (TSST) during which salivary cortisol (n=283) and plasma cortisol and ACTH concentrations (n=215) were measured. RESULTS Mixed model regression analyses showed no linear or non-linear associations between LTL and HPA axis activity during TSST (p-values for LTL main effects >298; p-values for LTL×time interactions >096). Only one non-linear association between LTL and plasma ACTH area under the curve increment was significant after adjustments for covariates and confounders. This association did not survive correction for multiple testing. CONCLUSIONS Our findings suggest that LTL is not consistently associated with HPA axis activity during a standardized psychosocial stress test in elderly adults.
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