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Sánchez-Ortí JV, Correa-Ghisays P, Balanzá-Martínez V, Macías Saint-Gerons D, Berenguer-Pascual E, Romá-Mateo C, Victor VM, Forés-Martos J, San-Martin C, Selva-Vera G, Tabarés-Seisdedos R. Systemic inflammation, oxidative damage and neurocognition predict telomere length in a transdiagnostic sample stratified by global DNA methylation levels. Sci Rep 2024; 14:13159. [PMID: 38849401 PMCID: PMC11161596 DOI: 10.1038/s41598-024-62980-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 05/23/2024] [Indexed: 06/09/2024] Open
Abstract
Epigenetic mechanisms contribute to the maintenance of both type 2 diabetes mellitus (T2DM) and psychiatric disorders. Emerging evidence suggests that molecular pathways and neurocognitive performance regulate epigenetic dynamics in these disorders. The current combined and transdiagnostic study investigated whether inflammatory, oxidative stress, adhesion molecule, neurocognitive and functional performance are significant predictors of telomere dynamics in a sample stratified by global DNA methylation levels. Peripheral blood inflammation, oxidative stress and adhesion molecule biomarkers and neurocognitive function were assessed twice over a 1-year period in 80 individuals, including 16 with schizophrenia (SZ), 16 with bipolar disorder (BD), 16 with major depressive disorder (MDD), 15 with T2DM, and 17 healthy controls (HCs). Leukocyte telomere length (LTL) was measured by qRT-PCR using deoxyribonucleic acid (DNA) extracted from peripheral blood samples. A posteriori, individuals were classified based on their global methylation score (GMS) at baseline into two groups: the below-average methylation (BM) and above-average methylation (AM) groups. Hierarchical and k-means clustering methods, mixed one-way analysis of variance and linear regression analyses were performed. Overall, the BM group showed a significantly higher leukocyte telomere length (LTL) than the AM group at both time points (p = 0.02; η2p = 0.06). Moreover, the BM group had significantly lower levels of tumor necrosis factor alpha (TNF-α) (p = 0.03; η2p = 0.06) and C-reactive protein (CRP) (p = 0.03; η2p = 0.06) than the AM group at the 1-year follow-up. Across all participants, the regression models showed that oxidative stress (reactive oxygen species [ROS]) (p = 0.04) and global cognitive score [GCS] (p = 0.02) were significantly negatively associated with LTL, whereas inflammatory (TNF-α) (p = 0.04), adhesion molecule biomarkers (inter cellular adhesion molecule [ICAM]) (p = 0.009), and intelligence quotient [IQ] (p = 0.03) were significantly positively associated with LTL. Moreover, the model predictive power was increased when tested in both groups separately, explaining 15.8% and 28.1% of the LTL variance at the 1-year follow-up for the AM and BM groups, respectively. Heterogeneous DNA methylation in individuals with T2DM and severe mental disorders seems to support the hypothesis that epigenetic dysregulation occurs in a transdiagnostic manner. Our results may help to elucidate the interplay between epigenetics, molecular processes and neurocognitive function in these disorders. DNA methylation and LTL are potential therapeutic targets for transdiagnostic interventions to decrease the risk of comorbidities.
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Affiliation(s)
- Joan Vicent Sánchez-Ortí
- INCLIVA - Health Research Institute, Valencia, Spain
- TMAP - Evaluation Unit in Personal Autonomy, Dependency and Serious Mental Disorders, University of Valencia, Valencia, Spain
- Faculty of Psychology, University of Valencia, Valencia, Spain
- Center for Biomedical Research in Mental Health Network (CIBERSAM), Health Institute, Carlos III, Madrid, Spain
| | - Patricia Correa-Ghisays
- INCLIVA - Health Research Institute, Valencia, Spain
- TMAP - Evaluation Unit in Personal Autonomy, Dependency and Serious Mental Disorders, University of Valencia, Valencia, Spain
- Faculty of Psychology, University of Valencia, Valencia, Spain
- Center for Biomedical Research in Mental Health Network (CIBERSAM), Health Institute, Carlos III, Madrid, Spain
| | - Vicent Balanzá-Martínez
- INCLIVA - Health Research Institute, Valencia, Spain.
- TMAP - Evaluation Unit in Personal Autonomy, Dependency and Serious Mental Disorders, University of Valencia, Valencia, Spain.
- Center for Biomedical Research in Mental Health Network (CIBERSAM), Health Institute, Carlos III, Madrid, Spain.
- Teaching Unit of Psychiatry and Psychological Medicine, Department of Medicine, University of Valencia, Valencia, Spain.
- VALSME (VALencia Salut Mental i Estigma), University of Valencia, Valencia, Spain.
| | - Diego Macías Saint-Gerons
- INCLIVA - Health Research Institute, Valencia, Spain
- TMAP - Evaluation Unit in Personal Autonomy, Dependency and Serious Mental Disorders, University of Valencia, Valencia, Spain
- Center for Biomedical Research in Mental Health Network (CIBERSAM), Health Institute, Carlos III, Madrid, Spain
| | | | - Carlos Romá-Mateo
- INCLIVA - Health Research Institute, Valencia, Spain
- CIBER de Enfermedades Raras (CIBERER), Health Institute, Carlos III, Madrid, Spain
- Department of Physiology, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
| | - Víctor M Victor
- Department of Physiology, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
- Service of Endocrinology and Nutrition, University Hospital Dr. Peset, Valencia, Spain
- Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), Valencia, Spain
| | - Jaume Forés-Martos
- INCLIVA - Health Research Institute, Valencia, Spain
- TMAP - Evaluation Unit in Personal Autonomy, Dependency and Serious Mental Disorders, University of Valencia, Valencia, Spain
- Center for Biomedical Research in Mental Health Network (CIBERSAM), Health Institute, Carlos III, Madrid, Spain
| | - Constanza San-Martin
- INCLIVA - Health Research Institute, Valencia, Spain
- TMAP - Evaluation Unit in Personal Autonomy, Dependency and Serious Mental Disorders, University of Valencia, Valencia, Spain
- Center for Biomedical Research in Mental Health Network (CIBERSAM), Health Institute, Carlos III, Madrid, Spain
- Department of Physiotherapy, University of Valencia, Valencia, Spain
| | - Gabriel Selva-Vera
- INCLIVA - Health Research Institute, Valencia, Spain
- TMAP - Evaluation Unit in Personal Autonomy, Dependency and Serious Mental Disorders, University of Valencia, Valencia, Spain
- Center for Biomedical Research in Mental Health Network (CIBERSAM), Health Institute, Carlos III, Madrid, Spain
- Teaching Unit of Psychiatry and Psychological Medicine, Department of Medicine, University of Valencia, Valencia, Spain
| | - Rafael Tabarés-Seisdedos
- INCLIVA - Health Research Institute, Valencia, Spain.
- TMAP - Evaluation Unit in Personal Autonomy, Dependency and Serious Mental Disorders, University of Valencia, Valencia, Spain.
- Center for Biomedical Research in Mental Health Network (CIBERSAM), Health Institute, Carlos III, Madrid, Spain.
- Teaching Unit of Psychiatry and Psychological Medicine, Department of Medicine, University of Valencia, Valencia, Spain.
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Chui MKK, Schneider K, Miclau K, LaHue SC, Furman D, Leutwyler H, Newman JC. Associations of Systemic Inflammation and Senescent Cell Biomarkers with Clinical Outcomes in Older Adults with Schizophrenia. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.03.06.24303857. [PMID: 38496401 PMCID: PMC10942530 DOI: 10.1101/2024.03.06.24303857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Individuals with schizophrenia suffer from higher morbidity and mortality throughout life partly due to acceleration of aging-related diseases and conditions. Systemic inflammation is a hallmark of aging and is also observed in schizophrenia. An improved understanding of how inflammation and accelerated aging contribute to long-term health outcomes in schizophrenia could provide more effective treatments to preserve long-term cognitive and physical function. In this pilot cross-sectional study, 24 older adults (≥55 years old) with schizophrenia were assessed on symptoms (Positive and Negative Syndrome Scale), neurocognition (Matrics Consensus Cognitive Battery), mobility (Timed Get Up and Go), and general health (SF-12). Serum levels of 112 different cytokines were measured, from which we derived estimated senescence-associated secretory phenotype (SASP) scores for each participant. Two-tailed Pearson's bivariate correlations were computed to test the associations between schizophrenia clinical outcomes with individual cytokines, and SASP. Higher levels of eotaxin, IL-1α, IL-1β, and IFNα are associated with both worse PANSS negative and depressive symptoms scores. IL-1α and IL-1β negatively associated with general physical health whereas eotaxin negatively associated with mobility and global cognition. Overall, we found that specific inflammatory cytokines, but not composite measurements of SASP, are associated with clinical outcomes in older adults with schizophrenia.
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Affiliation(s)
- M K Kirsten Chui
- Buck Institute for Research on Aging, Novato CA, USA
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
| | | | - Katherine Miclau
- School of Medicine, University of California San Francisco, San Francisco CA, USA
| | - Sara C LaHue
- Buck Institute for Research on Aging, Novato CA, USA
- Department of Neurology, School of Medicine, University of California, San Francisco, CA, USA
| | - David Furman
- Buck Artificial Intelligence Platform, the Buck Institute for Research on Aging, Novato, CA, USA
- Stanford 1000 Immunomes Project, Stanford University School of Medicine, Stanford, CA, USA
- Instituto de Investigaciones en Medicina Traslacional (IIMT), Universidad Austral, CONICET, Pilar, Argentina
| | - Heather Leutwyler
- Department of Physiological Nursing, School of Nursing, University of California San Francisco, San Francisco CA, USA
| | - John C Newman
- Buck Institute for Research on Aging, Novato CA, USA
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
- Division of Geriatrics, School of Medicine, University of California San Francisco, San Francisco CA, USA
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3
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Diniz BS, Seitz-Holland J, Sehgal R, Kasamoto J, Higgins-Chen AT, Lenze E. Geroscience-Centric Perspective for Geriatric Psychiatry: Integrating Aging Biology With Geriatric Mental Health Research. Am J Geriatr Psychiatry 2024; 32:1-16. [PMID: 37845116 PMCID: PMC10841054 DOI: 10.1016/j.jagp.2023.09.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/30/2023] [Accepted: 09/14/2023] [Indexed: 10/18/2023]
Abstract
The geroscience hypothesis asserts that physiological aging is caused by a small number of biological pathways. Despite the explosion of geroscience research over the past couple of decades, the research on how serious mental illnesses (SMI) affects the biological aging processes is still in its infancy. In this review, we aim to provide a critical appraisal of the emerging literature focusing on how we measure biological aging systematically, and in the brain and how SMIs affect biological aging measures in older adults. We will also review recent developments in the field of cellular senescence and potential targets for interventions for SMIs in older adults, based on the geroscience hypothesis.
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Affiliation(s)
- Breno S Diniz
- UConn Center on Aging & Department of Psychiatry (BSD), School of Medicine, University of Connecticut Health Center, Farmington, CT.
| | - Johanna Seitz-Holland
- Department of Psychiatry (JSH), Brigham and Women's Hospital, Harvard Medical School, Boston, MA; Department of Psychiatry (JSH), Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Raghav Sehgal
- Program in Computational Biology and Bioinformatics (RS, JK), Yale University, New Haven, CT
| | - Jessica Kasamoto
- Program in Computational Biology and Bioinformatics (RS, JK), Yale University, New Haven, CT
| | - Albert T Higgins-Chen
- Department of Psychiatry (ATHC), Yale University School of Medicine, New Haven, CT; Department of Pathology (ATHC), Yale University School of Medicine, New Haven, CT
| | - Eric Lenze
- Department of Psychiatry (EL), School of Medicine, Washington University at St. Louis, St. Louis, MO
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4
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Manchia M, Paribello P, Pisanu C, Congiu D, Antoniades A, Vogazianos P, Tozzi F, Pinna F, Aristodimou A, Caria P, Dettori T, Frau DV, Cocco C, Noli B, Panebianco C, Pazienza V, Carpiniello B, Squassina A. A Pilot Interaction Analysis of Gut Microbiota and Peripheral Markers of Aging in Severe Psychiatric Disorders: A Role for Lachnoclostridium? Int J Mol Sci 2023; 24:17618. [PMID: 38139446 PMCID: PMC10744008 DOI: 10.3390/ijms242417618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/01/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023] Open
Abstract
Excessive predominance of pathological species in the gut microbiota could increase the production of inflammatory mediators at the gut level and, via modification of the gut-blood barrier, at the systemic level. This pro-inflammatory state could, in turn, increase biological aging that is generally proxied by telomere shortening. In this study, we present findings from a secondary interaction analysis of gut microbiota, aging, and inflammatory marker data from a cohort of patients with different diagnoses of severe mental disorders. We analyzed 15 controls, 35 patients with schizophrenia (SCZ), and 31 patients with major depressive disorder (MDD) recruited among those attending a community mental health center (50 males and 31 females, mean and median age 46.8 and 46.3 years, respectively). We performed 16S rRNA sequencing as well as measurement of telomere length via quantitative fluorescence in situ hybridization and high-sensitivity C-reactive protein. We applied statistical modeling with logistic regression to test for interaction between gut microbiota and these markers. Our results showed statistically significant interactions between telomere length and gut microbiota pointing to the genus Lachnostridium, which remained significantly associated with a reduced likelihood of MDD even after adjustment for a series of covariates. Although exploratory, these findings show that specific gut microbiota signatures overexpressing Lachnoclostridium and interacting with biological aging could modulate the liability for MDD.
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Affiliation(s)
- Mirko Manchia
- Unit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, 09127 Cagliari, Italy; (P.P.); (F.P.); (B.C.)
- Unit of Clinical Psychiatry, University Hospital Agency of Cagliari, 09127 Cagliari, Italy
- Department of Pharmacology, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Pasquale Paribello
- Unit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, 09127 Cagliari, Italy; (P.P.); (F.P.); (B.C.)
- Unit of Clinical Psychiatry, University Hospital Agency of Cagliari, 09127 Cagliari, Italy
| | - Claudia Pisanu
- Unit of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, 09042 Monserrato, Italy; (C.P.); (D.C.); (A.S.)
| | - Donatella Congiu
- Unit of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, 09042 Monserrato, Italy; (C.P.); (D.C.); (A.S.)
| | - Athos Antoniades
- Stremble Ventures Ltd., Limassol 4042, Cyprus; (A.A.); (P.V.); (F.T.); (A.A.)
| | - Paris Vogazianos
- Stremble Ventures Ltd., Limassol 4042, Cyprus; (A.A.); (P.V.); (F.T.); (A.A.)
| | - Federica Tozzi
- Stremble Ventures Ltd., Limassol 4042, Cyprus; (A.A.); (P.V.); (F.T.); (A.A.)
| | - Federica Pinna
- Unit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, 09127 Cagliari, Italy; (P.P.); (F.P.); (B.C.)
- Unit of Clinical Psychiatry, University Hospital Agency of Cagliari, 09127 Cagliari, Italy
| | - Aristos Aristodimou
- Stremble Ventures Ltd., Limassol 4042, Cyprus; (A.A.); (P.V.); (F.T.); (A.A.)
| | - Paola Caria
- Unit of Biology and Genetics, Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato, Italy; (P.C.); (T.D.); (D.V.F.)
| | - Tinuccia Dettori
- Unit of Biology and Genetics, Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato, Italy; (P.C.); (T.D.); (D.V.F.)
| | - Daniela Virginia Frau
- Unit of Biology and Genetics, Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato, Italy; (P.C.); (T.D.); (D.V.F.)
| | - Cristina Cocco
- NEF Laboratory, Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato, Italy; (C.C.); (B.N.)
| | - Barbara Noli
- NEF Laboratory, Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato, Italy; (C.C.); (B.N.)
| | - Concetta Panebianco
- Gastreonterology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza Hospital, 71013 San Giovanni Rotondo, Italy; (C.P.); (V.P.)
| | - Valerio Pazienza
- Gastreonterology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza Hospital, 71013 San Giovanni Rotondo, Italy; (C.P.); (V.P.)
| | - Bernardo Carpiniello
- Unit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, 09127 Cagliari, Italy; (P.P.); (F.P.); (B.C.)
- Unit of Clinical Psychiatry, University Hospital Agency of Cagliari, 09127 Cagliari, Italy
| | - Alessio Squassina
- Unit of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, 09042 Monserrato, Italy; (C.P.); (D.C.); (A.S.)
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Lis N, Lamnisos D, Bograkou-Tzanetakou A, Hadjimbei E, Tzanetakou IP. Preterm Birth and Its Association with Maternal Diet, and Placental and Neonatal Telomere Length. Nutrients 2023; 15:4975. [PMID: 38068836 PMCID: PMC10708229 DOI: 10.3390/nu15234975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 11/28/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
Preterm birth (PTB), a multi-causal syndrome, is one of the global epidemics. Maternal nutrition, but also neonatal and placental telomere length (TL), are among the factors affecting PTB risk. However, the exact relationship between these factors and the PTB outcome, remains obscure. The aim of this review was to investigate the association between PTB, maternal nutrition, and placental-infant TL. Observational studies were sought with the keywords: maternal nutrition, placental TL, newborn, TL, and PTB. No studies were found that included all of the keywords simultaneously, and thus, the keywords were searched in dyads, to reach assumptive conclusions. The findings show that maternal nutrition affects PTB risk, through its influence on maternal TL. On the other hand, maternal TL independently affects PTB risk, and at the same time PTB is a major determinant of offspring TL regulation. The strength of the associations, and the extent of the influence from covariates, remains to be elucidated in future research. Furthermore, the question of whether maternal TL is simply a biomarker of maternal nutritional status and PTB risk, or a causative factor of PTB, to date, remains to be answered.
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Affiliation(s)
- Nikoletta Lis
- Department of Health Sciences, European University Cyprus, Nicosia 2404, Cyprus; (N.L.); (D.L.)
- Maternity Clinic, Cork University Maternity Hospital, T12 YE02 Cork, Ireland
| | - Demetris Lamnisos
- Department of Health Sciences, European University Cyprus, Nicosia 2404, Cyprus; (N.L.); (D.L.)
| | | | - Elena Hadjimbei
- Department of Life Sciences, European University Cyprus, Nicosia 2404, Cyprus;
| | - Irene P. Tzanetakou
- Department of Life Sciences, European University Cyprus, Nicosia 2404, Cyprus;
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Hovhannisyan G, Harutyunyan T, Aroutiounian R, Liehr T. The Diagnostic, Prognostic, and Therapeutic Potential of Cell-Free DNA with a Special Focus on COVID-19 and Other Viral Infections. Int J Mol Sci 2023; 24:14163. [PMID: 37762464 PMCID: PMC10532175 DOI: 10.3390/ijms241814163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/11/2023] [Accepted: 09/13/2023] [Indexed: 09/29/2023] Open
Abstract
Cell-free DNA (cfDNA) in human blood serum, urine, and other body fluids recently became a commonly used diagnostic marker associated with various pathologies. This is because cfDNA enables a much higher sensitivity than standard biochemical parameters. The presence of and/or increased level of cfDNA has been reported for various diseases, including viral infections, including COVID-19. Here, we review cfDNA in general, how it has been identified, where it can derive from, its molecular features, and mechanisms of release and clearance. General suitability of cfDNA for diagnostic questions, possible shortcomings and future directions are discussed, with a special focus on coronavirus infection.
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Affiliation(s)
- Galina Hovhannisyan
- Department of Genetics and Cytology, Yerevan State University, Alex Manoogian 1, Yerevan 0025, Armenia; (G.H.); (T.H.); (R.A.)
| | - Tigran Harutyunyan
- Department of Genetics and Cytology, Yerevan State University, Alex Manoogian 1, Yerevan 0025, Armenia; (G.H.); (T.H.); (R.A.)
| | - Rouben Aroutiounian
- Department of Genetics and Cytology, Yerevan State University, Alex Manoogian 1, Yerevan 0025, Armenia; (G.H.); (T.H.); (R.A.)
| | - Thomas Liehr
- Jena University Hospital, Friedrich Schiller University, Institute of Human Genetics, Am Klinikum 1, 07747 Jena, Germany
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Jiang T, Mo X, Zhan R, Zhang Y. Causal pathway from telomere length to occurrence and 28-day mortality of sepsis: an observational and mendelian randomization study. Aging (Albany NY) 2023; 15:7727-7740. [PMID: 37543429 PMCID: PMC10457059 DOI: 10.18632/aging.204937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 07/14/2023] [Indexed: 08/07/2023]
Abstract
BACKGROUND Telomeres are considered to be a physiological marker of aging. Elucidating relationship between telomere length and sepsis is an essential step towards understanding the biological processes involved in sepsis and its salvation. Mendelian randomization studies based on SNPs have given us new insights into genetic susceptibility to disease. OBJECTIVES To explore the causal pathway from telomere length to occurrence and 28-day mortality of sepsis. METHODS Leveraging genetic information resource of UK Biobank, we captured three groups of large-scale GWAS data: leukocyte telomere length (LTL), sepsis and all-cause death of 28-day. Study design consisted of three parts: forward analysis, reverse analysis and one-way analysis. Genetic instrumental variables were selected for different analyses under the premise that three MR core assumptions were satisfied. Causality was determined by means of IVW. RESULTS In forward analysis, we did not observe a significant causal pathway from sepsis to LTL under IVW model: β (SE) was -0.0051 (0.0075) with a p-value of 0.499. In reverse analysis, based on the IVW model, the OR (95% CI) was 0.89 (0.80-0.99) and the p-values was 0.043; based on the results of leave out method and single SNP analysis, we obtained seven key SNPs. There were results of IVW model in the one-way analysis: β (SE) was -0.0287(0.1261). CONCLUSIONS Short LTL increases susceptibility to sepsis, but sepsis does not shorten telomere length. LTL does not affect sepsis 28-day all-cause mortality and does not serve as a causal intermediate in gene regulation during the progression of sepsis to 28-day death.
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Affiliation(s)
- Tao Jiang
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People’s Republic of China
| | - Xuan Mo
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People’s Republic of China
| | - Ruonan Zhan
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University Gaoxin District, Hefei, Anhui, People’s Republic of China
| | - Yi Zhang
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People’s Republic of China
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8
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Lu L, Zeng H, Wan B, Sun M. Leukocyte telomere length and bipolar disorder risk: evidence from Mendelian randomization analysis. PeerJ 2023; 11:e15129. [PMID: 37020849 PMCID: PMC10069421 DOI: 10.7717/peerj.15129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 03/04/2023] [Indexed: 04/03/2023] Open
Abstract
Objective
We aim to test whether leukocyte telomere length (LTL) is causally associated with the risk of bipolar disorder (BD) using the Mendelian randomization (MR) method.
Methods
Results of a genome-wide association study (GWAS) conducted with 472,174 individuals of European descent were used to screen for single-nucleotide polymorphisms (SNPs) related with LTL traits. Summary-level data for BD (7,647 cases and 27,303 controls) were obtained from UK Biobank. An inverse-variance-weighted (IVW) method was employed as the primary MR analysis. Sensitivity analyses were conducted via MR-Egger, maximum likelihood, MR-pleiotropy residual sum outlier (MR-PRESSO), and MR-robust adjusted profile score (MR-RAPS) methods. Finally, the MR Steiger test was utilized to validate the hypothesized relationship between exposure and outcome.
Results
Two-sample MR analysis revealed inverse relationships between genetically predicted LTL and BD risk (IVW OR [odds ratio] = 0.800, 95% CI [0.647–0.989] P = 0.039). Genetically predicted LTL exhibits a consistent connection with BD across five MR methods. Sensitivity analyses showed that the genetically determined effect of LTL on BD was stable and reliable. Furthermore, the MR Steiger test demonstrated that LTL was causal for BD rather than the opposite (P < 0.001).
Conclusion
Our findings show that genetically determined LTL reduces the risk of BD. More research is required to clarify the mechanisms underlying this apparent causal connection. In addition, these findings may be useful for developing strategies for the prevention and treatment of BD.
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Affiliation(s)
- Likui Lu
- The First Affiliated Hospital of Soochow University, Institute for Fetology, Suzhou, Jiangsu, China
| | - Hongtao Zeng
- The First Affiliated Hospital of Soochow University, Institute for Fetology, Suzhou, Jiangsu, China
| | - Bangbei Wan
- Hainan Women and Children’s Medical Center, Reproductive Medical Center, Haikou, Hainan, China
- Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Department of Urology, Haikou, Hainan, China
| | - Miao Sun
- The First Affiliated Hospital of Soochow University, Institute for Fetology, Suzhou, Jiangsu, China
- Dushu Lake Hospital Affiliated to Soochow University, Suzhou, Jiangsu Province, China
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9
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[Current aspects on the antipsychotic treatment of older people with schizophrenia spectrum disorders]. Z Gerontol Geriatr 2023; 56:107-112. [PMID: 36847861 DOI: 10.1007/s00391-023-02173-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/15/2023] [Indexed: 03/01/2023]
Abstract
BACKGROUND From a geriatric perspective, the use of antipsychotic drugs (AP) is associated with significant risks in addition to their known effects. These include unfavorable interactions with geriatric syndromes, such as immobility and risk of falling, and potentially increased mortality, at least in certain patient groups. With reference to this the current state of knowledge on treatment with AP in older people with schizophrenia spectrum disorders is summarized with a focus on the typical multimorbidity of geriatric patients. METHODS Narrative review with special consideration of guidelines and consensus papers from German speaking countries and a PubMed-supported literature search for current systematic reviews and meta-analyses. RESULTS Antipsychotic agents are an essential part of a comprehensive treatment concept for schizophrenia with well-documented evidence. In geriatric patients adaptations under gerontopharmacological aspects are necessary. A sufficient data basis for evidence-based recommendations for the treatment of multimorbid and frail geriatric patients does not exist. CONCLUSION An effective and as safe as possible treatment with AP requires a careful risk-benefit assessment, combined with an individual adaptation regarding the substance applied, dose and treatment duration in an interdisciplinary/multiprofessional context.
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Wan B, Ma N, Lv C. Identifying effects of genetic obesity exposure on leukocyte telomere length using Mendelian randomization. PeerJ 2023; 11:e15085. [PMID: 36967999 PMCID: PMC10038084 DOI: 10.7717/peerj.15085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 02/26/2023] [Indexed: 03/29/2023] Open
Abstract
Background Observational studies have shown that obesity is closely associated with leukocyte telomere length (LTL). However, the causal relationship between obesity and LTL remains unclear. This study investigated the causal relationship between obesity and LTL through the Mendelian randomization approach. Materials and Methods The genome-wide association study (GWAS) summary data of several studies on obesity-related traits with a sample size of more than 600,000 individuals were extracted from the UK Biobank cohort. The summary-level data of LTL-related GWAS (45 6,717 individuals) was obtained from the IEU Open GWAS database. An inverse-variance-weighted (IVW) algorithm was utilized as the primary MR analysis method. Sensitivity analyses were conducted via MR-Egger regression, IVW regression, leave-one-out test, MR-pleiotropy residual sum, and outlier methods. Results High body mass index was correlated with a short LTL, and the odds ratio (OR) was 0.957 (95% confidence interval [CI] 0.942-0.973, p = 1.17E-07). The six body fat indexes (whole body fat mass, right leg fat mass, left leg fat mass, right arm fat mass, left arm fat mass, and trunk fat mass) were consistently inversely associated with LTL. Multiple statistical sensitive analysis approaches showed that the adverse effect of obesity on LTL was steady and dependable. Conclusion The current study provided robust evidence supporting the causal assumption that genetically caused obesity is negatively associated with LTL. The findings may facilitate the formulation of persistent strategies for maintaining LTL.
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Affiliation(s)
- Bangbei Wan
- Department of Urology, Haikou Affiliated Hospital of Central South University, Xiangya School of Medicine, Haikou, Hainan, China
- Reproductive Medical Center, Hainan Women and Children’s Medical Center, Haikou, Hainan, China
| | - Ning Ma
- Reproductive Medical Center, Hainan Women and Children’s Medical Center, Haikou, Hainan, China
| | - Cai Lv
- Department of Urology, Haikou Affiliated Hospital of Central South University, Xiangya School of Medicine, Haikou, Hainan, China
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Jorgensen A, Baago IB, Rygner Z, Jorgensen MB, Andersen PK, Kessing LV, Poulsen HE. Association of Oxidative Stress-Induced Nucleic Acid Damage With Psychiatric Disorders in Adults: A Systematic Review and Meta-analysis. JAMA Psychiatry 2022; 79:920-931. [PMID: 35921094 PMCID: PMC9350850 DOI: 10.1001/jamapsychiatry.2022.2066] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
IMPORTANCE Nucleic acid damage from oxidative stress (NA-OXS) may be a molecular mechanism driving the severely increased morbidity and mortality from somatic causes in adults with psychiatric disorders. OBJECTIVE To systematically retrieve and analyze data on NA-OXS across the psychiatric disorder diagnostic spectrum. DATA SOURCES The PubMed, Embase, and PsycINFO databases were searched from inception to November 16, 2021. A hand search of reference lists of relevant articles was also performed. STUDY SELECTION Key study inclusion criteria in this meta-analysis were as follows: adult human study population, measurement of any marker of DNA or RNA damage from oxidative stress, and either a (1) cross-sectional design comparing patients with psychiatric disorders (any diagnosis) with a control group or (2) prospective intervention. Two authors screened the studies, and 2 senior authors read the relevant articles in full and assessed them for eligibility. DATA EXTRACTION AND SYNTHESIS The Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines were followed. Two authors performed data extraction independently, and a senior coauthor was consulted in cases of disagreement. Data were synthesized with random-effects and multilevel meta-analyses. MAIN OUTCOMES AND MEASURES The predefined hypothesis was that individuals with psychiatric disorders have increased NA-OXS levels. The main outcome was the standardized mean differences (SMDs) among patients and controls in nucleic acid oxidation markers compared across diagnostic groups. Analyses were divided into combinations of biological matrices and nucleic acids. RESULTS Eighty-two studies fulfilled the inclusion criteria, comprising 205 patient vs control group comparisons and a total of 10 151 patient and 10 532 control observations. Overall, the data showed that patients with psychiatric disorders had higher NA-OXS levels vs controls across matrices and molecules. Pooled effect sizes ranged from moderate for urinary DNA markers (SMD = 0.44 [95% CI, 0.20-0.68]; P < .001) to very large for blood cell DNA markers (SMD = 1.12 [95% CI, 0.69-1.55; P < .001). Higher NA-OXS levels were observed among patients with dementias followed by psychotic and bipolar disorders. Sensitivity analyses excluding low-quality studies did not materially alter the results. Intervention studies were few and too heterogenous for meaningful meta-analysis. CONCLUSIONS AND RELEVANCE The results of this meta-analysis suggest that there is an association with increased NA-OXS levels in individuals across the psychiatric disorder diagnostic spectrum. NA-OXS may play a role in the somatic morbidity and mortality observed among individuals with psychiatric disorders.
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Affiliation(s)
- Anders Jorgensen
- Psychiatric Center Copenhagen, Mental Health Services Copenhagen, Copenhagen, Denmark,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Ida Bendixen Baago
- Psychiatric Center Copenhagen, Mental Health Services Copenhagen, Copenhagen, Denmark
| | - Zerlina Rygner
- Psychiatric Center Copenhagen, Mental Health Services Copenhagen, Copenhagen, Denmark,Department of Cardiology, Copenhagen University Hospital, Hillerød, Denmark,Department of Endocrinology, Copenhagen University Hospital, Hillerød, Denmark
| | - Martin Balslev Jorgensen
- Psychiatric Center Copenhagen, Mental Health Services Copenhagen, Copenhagen, Denmark,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | | | - Lars Vedel Kessing
- Psychiatric Center Copenhagen, Mental Health Services Copenhagen, Copenhagen, Denmark,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Henrik Enghusen Poulsen
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark,Department of Cardiology, Copenhagen University Hospital, Hillerød, Denmark,Department of Endocrinology, Copenhagen University Hospital, Hillerød, Denmark
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