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Carver AJ, Hing B, Elser BA, Lussier SJ, Yamanashi T, Howard MA, Kawasaki H, Shinozaki G, Stevens HE. Correlation of telomere length in brain tissue with peripheral tissues in living human subjects. Front Mol Neurosci 2024; 17:1303974. [PMID: 38516039 PMCID: PMC10954899 DOI: 10.3389/fnmol.2024.1303974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 02/26/2024] [Indexed: 03/23/2024] Open
Abstract
Telomeres are important to chromosomal stability, and changes in their length correlate with disease, potentially relevant to brain disorders. Assessing telomere length in human brain is invasive, but whether peripheral tissue telomere length correlates with that in brain is not known. Saliva, buccal, blood, and brain samples were collected at time points before, during, and after subjects undergoing neurosurgery (n = 35) for intractable epilepsy. DNA was isolated from samples and average telomere length assessed by qPCR. Correlations of telomere length between tissue samples were calculated across subjects. When data were stratified by sex, saliva telomere length correlated with brain telomere length in males only. Buccal telomere length correlated with brain telomere length when males and females were combined. These findings indicate that in living subjects, telomere length in peripheral tissues variably correlates with that in brain and may be dependent on sex. Peripheral tissue telomere length may provide insight into brain telomere length, relevant to assessment of brain disorder pathophysiology.
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Affiliation(s)
- Annemarie J. Carver
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Iowa Neuroscience Institute, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Interdisciplinary Graduate Program in Genetics, University of Iowa, Iowa City, IA, United States
| | - Benjamin Hing
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Iowa Neuroscience Institute, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
| | - Benjamin A. Elser
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Iowa Neuroscience Institute, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Interdisciplinary Graduate Program in Human Toxicology, University of Iowa, Iowa City, IA, United States
| | - Stephanie J. Lussier
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Iowa Neuroscience Institute, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Biostatistics Graduate Program, College of Public Health, University of Iowa, Iowa City, IA, United States
| | - Takehiko Yamanashi
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Iowa Neuroscience Institute, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Standford University, Stanford, CA, United States
- Division of Neuropsychiatry, Tottori University, Tottori, Japan
| | - Matthew A. Howard
- Iowa Neuroscience Institute, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Department of Neurosurgery, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
| | - Hiroto Kawasaki
- Iowa Neuroscience Institute, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Department of Neurosurgery, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
| | - Gen Shinozaki
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Iowa Neuroscience Institute, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Standford University, Stanford, CA, United States
| | - Hanna E. Stevens
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Iowa Neuroscience Institute, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Interdisciplinary Graduate Program in Genetics, University of Iowa, Iowa City, IA, United States
- Interdisciplinary Graduate Program in Human Toxicology, University of Iowa, Iowa City, IA, United States
- Hawk-Intellectual and Developmental Disabilities Research Center, University of Iowa, Iowa City, IA, United States
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Souza-Talarico JN, Chesak S, Elizalde N, Liu W, Moon C, Oberfrank NDCF, Rauer AJ, Takao CL, Shaw C, Saravanan A, Longhi Palacio FG, Buck H. Exploring the interplay of psychological and biological components of stress response and telomere length in the transition from middle age to late adulthood: A systematic review. Stress Health 2024:e3389. [PMID: 38442010 DOI: 10.1002/smi.3389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 02/14/2024] [Accepted: 02/18/2024] [Indexed: 03/07/2024]
Abstract
Ageing and chronic stress have been linked to reduced telomere length (TL) in mixed-age groups. Whether stress response components are linked to TL during the midlife-to-late adulthood transition remains unclear. Our study aimed to synthesise evidence on the relationship between psychological and biological components of stress response on TL in middle-aged and older adults. We conducted a systematic review of studies obtained from six databases (PubMed, CINAHL, EMBASE, PsycINFO, Web of Science, and Scopus) and evaluated by two independent reviewers. Original research measuring psychological and biological components of stress response and TL in human individuals were included. From an initial pool of 614 studies, 15 were included (n = 9446 participants). Synthesis of evidence showed that higher psychological components of the stress response (i.e., global perceived stress or within a specific life domain and cognitive appraisal to social-evaluative stressors) were linked to shorter TL, specifically in women or under major life stressors. For the biological stress response, cortisol, dehydroepiandrosterone sulphate and IGF-1/cortisol imbalance, IL-6, MCP-1, blood pressure, and heart rate presented a significant association with TL, but this relationship depended on major life stressors and the stress context (manipulated vs. non-manipulated conditions). This comprehensive review showed that psychological and biological components of the stress response are linked to shorter TL, but mainly in women or those under a major life stressor and stress-induced conditions. The interaction between stressor attributes and psychological and biological reactions in the transition from middle to late adulthood still needs to be fully understood, and examining it is a critical step to expanding our understanding of stress's impact on ageing trajectories.
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Affiliation(s)
- Juliana Nery Souza-Talarico
- College of Nursing, The University of Iowa, Iowa City, Iowa, USA
- School of Nursing, University of São Paulo, São Paulo, Brazil
| | - Sherry Chesak
- Mayo Foundation for Medical Education and Research, Rochester, Minnesota, USA
| | - Natalie Elizalde
- College of Nursing, The University of Iowa, Iowa City, Iowa, USA
| | - Wen Liu
- College of Nursing, The University of Iowa, Iowa City, Iowa, USA
| | - Chooza Moon
- College of Nursing, The University of Iowa, Iowa City, Iowa, USA
| | | | - Amy Joanna Rauer
- Department of Child and Family Studies, The University of Tennessee, Knoxville, Tennessee, USA
| | | | - Clarissa Shaw
- College of Nursing, The University of Iowa, Iowa City, Iowa, USA
| | - Anitha Saravanan
- School of Nursing, Northern Illinois University, DeKalb, Illinois, USA
| | | | - Harleah Buck
- College of Nursing, The University of Iowa, Iowa City, Iowa, USA
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Ogletree SS, Huang JH, Reif D, Yang L, Dunstan C, Osakwe N, Oh JI, Hipp JA. The relationship between greenspace exposure and telomere length in the National Health and Nutrition Examination Survey. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:167452. [PMID: 37777139 DOI: 10.1016/j.scitotenv.2023.167452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/26/2023] [Accepted: 09/27/2023] [Indexed: 10/02/2023]
Abstract
The exposome, reflecting the range of environmental exposures individuals encounter throughout their life, can influence a variety of health outcomes and can play a role in how the environment impacts our genes. Telomeres, genetic structures regulating cell growth and senescence, are one pathway through which the exposome may impact health. Greenspace exposure, representing the amount of green areas in one's neighborhood, is one component of the exposome and has been associated with multiple health benefits. To investigate the potential link between greenspace exposure and telomere length, we analyzed data from the 1999-2001 National Health and Nutrition Examination Survey (NHANES) sample. Our study examined individual, risk, and contextual factors. We found that greater greenspace exposure in one's neighborhood was associated with longer telomere lengths when considering individual and risk factors, suggesting a positive effect of living in greener neighborhoods. However, this relationship became non-significant when contextual factors, such as air pollution and deprivation, were included in the analysis. These findings highlight a complex relationship between greenspace and telomere length, warranting further research to explore contextual factors in detail.
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Affiliation(s)
- S Scott Ogletree
- Edinburgh School of Architecture and Landscape Architecture, OPENspace Research Centre, University of Edinburgh, United Kingdom; Center for Geospatial Analytics, North Carolina State University, United States of America.
| | - Jing-Huei Huang
- Center for Geospatial Analytics, North Carolina State University, United States of America; Montgomery County Parks Department, Maryland-National Capital Park and Planning Commission, United States of America
| | - David Reif
- Division of Translational Toxicology, National Institute of Environmental Health Sciences, United States of America
| | - Lin Yang
- Department of Cancer Epidemiology and Prevention Research, Cancer Care Alberta, Alberta Health Services, Canada; Departments of Oncology and Community Health Sciences, University of Calgary, Canada
| | - Christopher Dunstan
- Center for Geospatial Analytics, North Carolina State University, United States of America
| | - Nnamdi Osakwe
- Bioinformatics Research Center, North Carolina State University, United States of America
| | - Jae In Oh
- Department of Parks, Recreation, and Tourism Management, North Carolina State University, United States of America
| | - J Aaron Hipp
- Center for Geospatial Analytics, North Carolina State University, United States of America; Department of Parks, Recreation, and Tourism Management, North Carolina State University, United States of America
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Aberizk K, Addington JM, Bearden CE, Cadenhead KS, Cannon TD, Cornblatt BA, Keshavan M, Mathalon DH, Perkins DO, Stone WS, Tsuang MT, Woods SW, Walker EF, Ku BS. Relations of Lifetime Perceived Stress and Basal Cortisol With Hippocampal Volume Among Healthy Adolescents and Those at Clinical High Risk for Psychosis: A Structural Equation Modeling Approach. Biol Psychiatry 2023:S0006-3223(23)01759-6. [PMID: 38092185 PMCID: PMC11166888 DOI: 10.1016/j.biopsych.2023.11.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 11/20/2023] [Accepted: 11/30/2023] [Indexed: 02/02/2024]
Abstract
BACKGROUND Hippocampal volume (HV) is sensitive to environmental influences. Under normative conditions in humans, HV increases linearly into childhood and asymptotes in early adulthood. Studies of humans and nonhuman animals have provided evidence of inverse relationships between several measures of stress and HV. METHODS Using structural equation modeling, this study aimed to characterize the relationships of age, basal cortisol, biological sex, and lifetime perceived stress with bilateral HV in a sample of healthy adolescents and adolescents at clinical high risk for psychosis (CHR-P) (N = 571, 43% female; age range = 12-19.9 years). This sample included 469 individuals at CHR-P and 102 healthy comparison participants from the combined baseline cohorts of the second and third NAPLS (North American Prodrome Longitudinal Study). RESULTS A structural model that constrained the individual effects of basal cortisol and perceived stress to single path coefficients, and freely estimated the effects of age and biological sex in group models, optimized model fit and parsimony relative to other candidate models. Significant inverse relationships between basal cortisol and bilateral HV were observed in adolescents at CHR-P and healthy comparison participants. Significant sex differences in bilateral HV were also observed, with females demonstrating smaller HV than males in both groups. CONCLUSIONS Multigroup structural equation modeling revealed heterogeneity in the relationships of age and biological sex with basal cortisol, lifetime perceived stress, and bilateral HV in individuals at CHR-P and healthy comparison participants. Moreover, the findings support previous literature indicating that elevated basal cortisol is a nonspecific risk factor for reduced HV.
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Affiliation(s)
- Katrina Aberizk
- Department of Psychology, Emory University, Atlanta, Georgia.
| | - Jean M Addington
- Department of Psychiatry, University of Calgary, Calgary, Alberta, Canada
| | - Carrie E Bearden
- Semel Institute for Neuroscience and Human Behavior, Departments of Psychiatry and Biobehavioral Sciences and Psychology, University of California, Los Angeles, California
| | | | - Tyrone D Cannon
- Departments of Psychology and Psychiatry, Yale University, New Haven, Connecticut
| | | | - Matcheri Keshavan
- Department of Psychiatry, Harvard Medical School, Harvard University, Cambridge, Massachusetts
| | - Daniel H Mathalon
- Department of Psychiatry, University of California, San Francisco, California
| | - Diana O Perkins
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - William S Stone
- Department of Psychiatry, Harvard Medical School, Harvard University, Cambridge, Massachusetts
| | - Ming T Tsuang
- Department of Psychiatry, University of California, San Diego, California
| | - Scott W Woods
- Departments of Psychology and Psychiatry, Yale University, New Haven, Connecticut
| | - Elaine F Walker
- Department of Psychology, Emory University, Atlanta, Georgia
| | - Benson S Ku
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, Georgia
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