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Song T, Liu J, Zhao K, Li S, Qiu M, Zhang M, Wang H. The causal effect of telomere length on the risk of malignant lymphoma: A Mendelian randomization study. Medicine (Baltimore) 2024; 103:e39584. [PMID: 39312382 PMCID: PMC11419458 DOI: 10.1097/md.0000000000039584] [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: 05/19/2024] [Accepted: 08/15/2024] [Indexed: 09/25/2024] Open
Abstract
Telomere length (TL) has been implicated in the risk assessment of numerous cancers in observational studies. Nevertheless, the relationship between TL and malignant lymphoma remains unclear, displaying inconsistent patterns across different studies. A summary dataset for genome-wide association study of TL and malignant lymphoma was acquired from the OpenGWAS website. An extensive 2-sample Mendelian randomization (MR) analysis was performed, encompassing various methodologies such as MR-Egger, weighted median, weighted mode, simple mode, and the primary method of inverse-variance weighting (IVW). Sensitivity evaluations were performed using the Cochran Q test, MR-Egger regression, and leave-one-out analysis. The main method IVW revealed that TL substantially increased the risk of Hodgkin lymphoma (HL; odds ratio [OR] = 2.135; 95% confidence interval [CI] = 1.181-3.859; P = .012). Both the IVW and weighted median methods indicated statistical associations between genetically predicted TL and other types of non-HL (OR = 1.671, 95% CI = 1.009-2.768, P = .045; OR = 2.310, 95% CI = 1.033-5.169, P = .042). However, there was no association between TL and diffuse large B-cell lymphoma, follicular lymphoma, or mature T/natural Killer-cell lymphoma, and sensitivity analysis revealed no heterogeneity or horizontal pleiotropy, indicating that the causal effect was robust. Our study shows that TL plays different roles in different types of lymphomas. A longer TL significantly increases the risk of HL and other types of non-HL.
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Affiliation(s)
- Teng Song
- Department of Oncology, Tianjin Union Medical Center, Nankai University, Tianjin, China
- Tianjin Cancer Institute of lntegrative Traditional Chinese and Western Medicine, Tianjin, China
- The Institute of Translational Medicine, Tianjin Union Medical Center, Nankai University, Tianjin, China
| | - Jie Liu
- Department of Cardiology, Tianjin Bei Chen Hospital, Tianjin, China
| | - Ke Zhao
- Department of Oncology, Tianjin Union Medical Center, Nankai University, Tianjin, China
- Tianjin Cancer Institute of lntegrative Traditional Chinese and Western Medicine, Tianjin, China
- The Institute of Translational Medicine, Tianjin Union Medical Center, Nankai University, Tianjin, China
| | - Shuping Li
- Department of Oncology, Tianjin Union Medical Center, Nankai University, Tianjin, China
- Tianjin Cancer Institute of lntegrative Traditional Chinese and Western Medicine, Tianjin, China
- The Institute of Translational Medicine, Tianjin Union Medical Center, Nankai University, Tianjin, China
| | - Minghan Qiu
- Department of Oncology, Tianjin Union Medical Center, Nankai University, Tianjin, China
- Tianjin Cancer Institute of lntegrative Traditional Chinese and Western Medicine, Tianjin, China
- The Institute of Translational Medicine, Tianjin Union Medical Center, Nankai University, Tianjin, China
| | - Miao Zhang
- Department of Oncology, Tianjin Union Medical Center, Nankai University, Tianjin, China
- Tianjin Cancer Institute of lntegrative Traditional Chinese and Western Medicine, Tianjin, China
- The Institute of Translational Medicine, Tianjin Union Medical Center, Nankai University, Tianjin, China
| | - Huaqing Wang
- Department of Oncology, Tianjin Union Medical Center, Nankai University, Tianjin, China
- Tianjin Cancer Institute of lntegrative Traditional Chinese and Western Medicine, Tianjin, China
- The Institute of Translational Medicine, Tianjin Union Medical Center, Nankai University, Tianjin, China
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Andreikos D, Kyrodimos E, Kotsinas A, Chrysovergis A, Papacharalampous GX. The Association between Telomere Length and Head and Neck Cancer Risk: A Systematic Review and Meta-Analysis. Int J Mol Sci 2024; 25:9000. [PMID: 39201686 PMCID: PMC11354702 DOI: 10.3390/ijms25169000] [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: 06/21/2024] [Revised: 08/05/2024] [Accepted: 08/11/2024] [Indexed: 09/03/2024] Open
Abstract
Telomeres play a crucial role in maintaining chromosomal integrity and regulating the number of cell divisions and have been associated with cellular aging. Telomere length (TL) has been widely studied in manifold cancer types; however, the results have been inconsistent. This systematic review and meta-analysis aims to analyze the evidence on the association between TL and head and neck cancer (HNC) risk. We comprehensively searched the literature in PubMed, Cochrane Library, and Scopus and identified nine eligible studies, which yielded 11 datasets. The odds ratios (ORs) and 95% confidence intervals (CIs) were used to ascertain the strength of the association. On the basis of the median TL, we defined two groups, short TL and long TL, with the latter being the reference group. Our analysis found a significant relationship between short TL and increased HNC risk (OR 1.38, 95% CI: 1.10-1.73, p = 0.005), while significant heterogeneity among the studies was noted. The subgroup analysis on HNC subtypes revealed a significant association between short TL and oral cancers (OR 2.08, 95% CI: 1.23-3.53, p = 0.007). Additionally, subgroup analysis indicates that adjustments for age, sex, and smoking did not affect the significance of our findings. In conclusion, our meta-analysis found evidence for an association between short TL and HNC risk, which could indicate that TL might act as a potential biomarker for HNC risk, but high-quality prospective studies are imperative to validate our findings.
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Affiliation(s)
- Dimitrios Andreikos
- School of Medicine, Democritus University of Thrace, 68100 Alexandroupoli, Greece
| | - Efthymios Kyrodimos
- First Department of Otorhinolaryngology—Head and Neck Surgery, Faculty of Medicine, National and Kapodistrian University of Athens, 114 Vas Sofias Avenue, 11527 Athens, Greece;
| | - Athanassios Kotsinas
- Laboratory Histology–Embryology, Faculty of Medicine, National and Kapodistrian University of Athens, 75 Mikras Asias Street, Goudi, 11527 Athens, Greece
| | - Aristeidis Chrysovergis
- ENT Department, Athens General Hospital “ELPIS”, 7 Dimitsanas Street, 11522 Athens, Greece; (A.C.); (G.X.P.)
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Wong JYY, Blechter B, Liu Z, Shi J, Roger VL. Genetic susceptibility to chronic diseases leads to heart failure among Europeans: the influence of leukocyte telomere length. Hum Mol Genet 2024; 33:1262-1272. [PMID: 38676403 PMCID: PMC11227624 DOI: 10.1093/hmg/ddae063] [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: 11/29/2023] [Revised: 03/07/2024] [Accepted: 03/25/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Genetic susceptibility to various chronic diseases has been shown to influence heart failure (HF) risk. However, the underlying biological pathways, particularly the role of leukocyte telomere length (LTL), are largely unknown. We investigated the impact of genetic susceptibility to chronic diseases and various traits on HF risk, and whether LTL mediates or modifies the pathways. METHODS We conducted prospective cohort analyses on 404 883 European participants from the UK Biobank, including 9989 incident HF cases. Multivariable Cox regression was used to estimate associations between HF risk and 24 polygenic risk scores (PRSs) for various diseases or traits previously generated using a Bayesian approach. We assessed multiplicative interactions between the PRSs and LTL previously measured in the UK Biobank using quantitative PCR. Causal mediation analyses were conducted to estimate the proportion of the total effect of PRSs acting indirectly through LTL, an integrative marker of biological aging. RESULTS We identified 9 PRSs associated with HF risk, including those for various cardiovascular diseases or traits, rheumatoid arthritis (P = 1.3E-04), and asthma (P = 1.8E-08). Additionally, longer LTL was strongly associated with decreased HF risk (P-trend = 1.7E-08). Notably, LTL strengthened the asthma-HF relationship significantly (P-interaction = 2.8E-03). However, LTL mediated only 1.13% (P < 0.001) of the total effect of the asthma PRS on HF risk. CONCLUSIONS Our findings shed light onto the shared genetic susceptibility between HF risk, asthma, rheumatoid arthritis, and other traits. Longer LTL strengthened the genetic effect of asthma in the pathway to HF. These results support consideration of LTL and PRSs in HF risk prediction.
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Affiliation(s)
- Jason Y Y Wong
- Epidemiology and Community Health Branch, National Heart Lung and Blood Institute, 10 Center Drive, Bethesda, MD 20892, United States
| | - Batel Blechter
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, 9609 Medical Center Drive, Rockville, MD 20850, United States
| | - Zhonghua Liu
- Department of Biostatistics, Mailman School of Public Health, Columbia University, 722 W 168th St, New York, NY 10032, United States
| | - Jianxin Shi
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, 9609 Medical Center Drive, Rockville, MD 20850, United States
| | - Véronique L Roger
- Epidemiology and Community Health Branch, National Heart Lung and Blood Institute, 10 Center Drive, Bethesda, MD 20892, United States
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Ng GYQ, Hande MP. Use of peptide nucleic acid probe to determine telomere dynamics in improving chromosome analysis in genetic toxicology studies. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2024; 897:503773. [PMID: 39054004 DOI: 10.1016/j.mrgentox.2024.503773] [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: 02/10/2024] [Revised: 05/01/2024] [Accepted: 05/22/2024] [Indexed: 07/27/2024]
Abstract
Genetic toxicology, strategically located at the intersection of genetics and toxicology, aims to demystify the complex interplay between exogenous agents and our genetic blueprint. Telomeres, the protective termini of chromosomes, play instrumental roles in cellular longevity and genetic stability. Traditionally karyotyping and fluorescence in situ hybridisation (FISH), have been indispensable tools for chromosomal analysis following exposure to genotoxic agents. However, their scope in discerning nuanced molecular dynamics is limited. Peptide Nucleic Acids (PNAs) are synthetic entities that embody characteristics of both proteins and nucleic acids and have emerged as potential game-changers. This perspective report comprehensively examines the vast potential of PNAs in genetic toxicology, with a specific emphasis on telomere research. PNAs' superior resolution and precision make them a favourable choice for genetic toxicological assessments. The integration of PNAs in contemporary analytical workflows heralds a promising evolution in genetic toxicology, potentially revolutionizing diagnostics, prognostics, and therapeutic avenues. In this timely review, we attempted to assess the limitations of current PNA-FISH methodology and recommend refinements.
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Affiliation(s)
- Gavin Yong Quan Ng
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Manoor Prakash Hande
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
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Nikolouzakis TK, Chrysos E, Docea AO, Fragkiadaki P, Souglakos J, Tsiaoussis J, Tsatsakis A. Current and Future Trends of Colorectal Cancer Treatment: Exploring Advances in Immunotherapy. Cancers (Basel) 2024; 16:1995. [PMID: 38893120 PMCID: PMC11171065 DOI: 10.3390/cancers16111995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 05/15/2024] [Accepted: 05/20/2024] [Indexed: 06/21/2024] Open
Abstract
Cancer of the colon and rectum (CRC) has been identified among the three most prevalent types of cancer and cancer-related deaths for both sexes. Even though significant progress in surgical and chemotherapeutic techniques has markedly improved disease-free and overall survival rates in contrast to those three decades ago, recent years have seen a stagnation in these improvements. This underscores the need for new therapies aiming to augment patient outcomes. A number of emerging strategies, such as immune checkpoint inhibitors (ICIs) and adoptive cell therapy (ACT), have exhibited promising outcomes not only in preclinical but also in clinical settings. Additionally, a thorough appreciation of the underlying biology has expanded the scope of research into potential therapeutic interventions. For instance, the pivotal role of altered telomere length in early CRC carcinogenesis, leading to chromosomal instability and telomere dysfunction, presents a promising avenue for future treatments. Thus, this review explores the advancements in CRC immunotherapy and telomere-targeted therapies, examining potential synergies and how these novel treatment modalities intersect to potentially enhance each other's efficacy, paving the way for promising future therapeutic advancements.
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Affiliation(s)
| | - Emmanuel Chrysos
- Department of General Surgery, University General Hospital of Heraklion, 71110 Heraklion, Greece; (T.K.N.); (E.C.)
| | - Anca Oana Docea
- Department of Toxicology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Persefoni Fragkiadaki
- Department of Forensic Sciences and Toxicology, Faculty of Medicine, University of Crete, 71003 Heraklion, Greece; (P.F.); (A.T.)
| | - John Souglakos
- Laboratory of Translational Oncology, Medical School, University of Crete, 70013 Heraklion, Greece;
| | - John Tsiaoussis
- Department of Anatomy, Medical School, University of Crete, 70013 Heraklion, Greece;
| | - Aristidis Tsatsakis
- Department of Forensic Sciences and Toxicology, Faculty of Medicine, University of Crete, 71003 Heraklion, Greece; (P.F.); (A.T.)
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Neagu AN, Bruno P, Johnson KR, Ballestas G, Darie CC. Biological Basis of Breast Cancer-Related Disparities in Precision Oncology Era. Int J Mol Sci 2024; 25:4113. [PMID: 38612922 PMCID: PMC11012526 DOI: 10.3390/ijms25074113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 04/03/2024] [Accepted: 04/05/2024] [Indexed: 04/14/2024] Open
Abstract
Precision oncology is based on deep knowledge of the molecular profile of tumors, allowing for more accurate and personalized therapy for specific groups of patients who are different in disease susceptibility as well as treatment response. Thus, onco-breastomics is able to discover novel biomarkers that have been found to have racial and ethnic differences, among other types of disparities such as chronological or biological age-, sex/gender- or environmental-related ones. Usually, evidence suggests that breast cancer (BC) disparities are due to ethnicity, aging rate, socioeconomic position, environmental or chemical exposures, psycho-social stressors, comorbidities, Western lifestyle, poverty and rurality, or organizational and health care system factors or access. The aim of this review was to deepen the understanding of BC-related disparities, mainly from a biomedical perspective, which includes genomic-based differences, disparities in breast tumor biology and developmental biology, differences in breast tumors' immune and metabolic landscapes, ecological factors involved in these disparities as well as microbiomics- and metagenomics-based disparities in BC. We can conclude that onco-breastomics, in principle, based on genomics, proteomics, epigenomics, hormonomics, metabolomics and exposomics data, is able to characterize the multiple biological processes and molecular pathways involved in BC disparities, clarifying the differences in incidence, mortality and treatment response for different groups of BC patients.
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Affiliation(s)
- Anca-Narcisa Neagu
- Laboratory of Animal Histology, Faculty of Biology, "Alexandru Ioan Cuza" University of Iași, Carol I bvd. 20A, 700505 Iasi, Romania
| | - Pathea Bruno
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biochemistry, Clarkson University, Potsdam, NY 13699-5810, USA
| | - Kaya R Johnson
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biochemistry, Clarkson University, Potsdam, NY 13699-5810, USA
| | - Gabriella Ballestas
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biochemistry, Clarkson University, Potsdam, NY 13699-5810, USA
| | - Costel C Darie
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biochemistry, Clarkson University, Potsdam, NY 13699-5810, USA
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Eppard M, Passos JF, Victorelli S. Telomeres, cellular senescence, and aging: past and future. Biogerontology 2024; 25:329-339. [PMID: 38150087 DOI: 10.1007/s10522-023-10085-4] [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: 10/23/2023] [Accepted: 11/20/2023] [Indexed: 12/28/2023]
Abstract
Over half a century has passed since Alexey Olovnikov's groundbreaking proposal of the end-replication problem in 1971, laying the foundation for our understanding of telomeres and their pivotal role in cellular senescence. This review paper delves into the intricate and multifaceted relationship between cellular senescence, the influence of telomeres in this process, and the far-reaching consequences of telomeres in the context of aging and age-related diseases. Additionally, the paper investigates the various factors that can influence telomere shortening beyond the confines of the end-replication problem and how telomeres can exert their impact on aging, even in the absence of significant shortening. Ultimately, this paper stands as a tribute to the pioneering work of Olovnikov, whose seminal contributions established the solid foundation upon which our ongoing explorations of telomeres and the aging process are based.
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Affiliation(s)
- Madeline Eppard
- Department of Physiology and Biomedical Engineering, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - João F Passos
- Department of Physiology and Biomedical Engineering, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
| | - Stella Victorelli
- Department of Physiology and Biomedical Engineering, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
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Samadi FM, Suhail S, Sonam M, Ahmad MK, Kumar V, Chandra S, Mohammad S. Comparing Length and Telomere Expression at Oral Precancerous and Cancerous Stages. IRANIAN JOURNAL OF PATHOLOGY 2024; 19:146-151. [PMID: 39118803 PMCID: PMC11304464 DOI: 10.30699/ijp.2024.1996330.3081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 09/22/2023] [Indexed: 08/10/2024]
Abstract
Background & Objective Telomeres consist of repetitive G-rich nucleotides located at the end of each chromosome, acting as protein binding sites. The aim of this study was to examine the differences in telomere length in blood, saliva, and tissue samples at various stages of oral precancerous and cancerous lesions. Methods Samples of blood, tissue, and saliva were collected from patients with oral precancerous and cancerous lesions. DNA extraction was performed. Then, a TRAP assay was conducted to assess and compare the telomere length and telomerase expression. Results The levels of telomerase activity (TA) in the DNA samples ranged from 0.19 to 6.91 (2.05+1.37) among oral squamous cell carcinoma (OSCC) patients and from 0.17 to 4.5 (0.28+4.25) among precancerous patients. A significant difference was observed in TA levels between OSCC and precancerous samples (t=3.9691, P= 0.0000). Conclusion Assessing the telomerase activity is crucial for studying the behavior of carcinoma in the clinical setting. The augmented telomerase expression and the length of telomere contribute to OSCC progression. Hence, this study adds a diagnostic tool that can serve as a biomarker for the early detection and prognosis of OSCC.
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Affiliation(s)
- Fahad Mansoor Samadi
- Department of Oral Pathology and Microbiology, King George Medical University, Lucknow, India
| | - Shaista Suhail
- Department of Oral Pathology and Microbiology, King George Medical University, Lucknow, India
| | - Manjari Sonam
- Department of Oral Pathology and Microbiology, Sardar Patel PG Institute of Dental and Medical Sciences, Lucknow, India
| | - Mohd Kaleem Ahmad
- Department of Biochemistry, King George Medical University, Lucknow, India
| | - Vijay Kumar
- Department of Surgical Oncology, King George Medical University, Lucknow, India
| | - Shaleen Chandra
- Department of Oral Pathology and Microbiology, King George Medical University, Lucknow, India
| | - Shadab Mohammad
- Department of Oral Maxillofacial Surgery, King George Medical University, Lucknow, India
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Tomsia M, Cieśla J, Śmieszek J, Florek S, Macionga A, Michalczyk K, Stygar D. Long-term space missions' effects on the human organism: what we do know and what requires further research. Front Physiol 2024; 15:1284644. [PMID: 38415007 PMCID: PMC10896920 DOI: 10.3389/fphys.2024.1284644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 01/22/2024] [Indexed: 02/29/2024] Open
Abstract
Space has always fascinated people. Many years have passed since the first spaceflight, and in addition to the enormous technological progress, the level of understanding of human physiology in space is also increasing. The presented paper aims to summarize the recent research findings on the influence of the space environment (microgravity, pressure differences, cosmic radiation, etc.) on the human body systems during short-term and long-term space missions. The review also presents the biggest challenges and problems that must be solved in order to extend safely the time of human stay in space. In the era of increasing engineering capabilities, plans to colonize other planets, and the growing interest in commercial space flights, the most topical issues of modern medicine seems to be understanding the effects of long-term stay in space, and finding solutions to minimize the harmful effects of the space environment on the human body.
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Affiliation(s)
- Marcin Tomsia
- Department of Forensic Medicine and Forensic Toxicology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland
| | - Julia Cieśla
- School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
| | - Joanna Śmieszek
- School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
| | - Szymon Florek
- School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
| | - Agata Macionga
- School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
| | - Katarzyna Michalczyk
- Department of Physiology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Dominika Stygar
- Department of Physiology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Katowice, Poland
- SLU University Animal Hospital, Swedish University of Agricultural Sciences, Uppsala, Sweden
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Nguyen DH. Role of Endorphins in Breast Cancer Pathogenesis and Recovery. ADVANCES IN NEUROBIOLOGY 2024; 35:87-106. [PMID: 38874719 DOI: 10.1007/978-3-031-45493-6_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2024]
Abstract
Understanding the relationship between stress and breast cancer development is essential to preventing and alleviating the cancer. Recent research has shed light on the cognitive, physiological, cellular, and molecular underpinnings of how the endorphin pathway and stress pathway affect breast cancer. This chapter consists of two parts. Part 1 will discuss the role of endorphins in breast cancer development. This includes a discussion of three topics: (1) the neurophysiological effect of endorphins on breast tumor growth in vivo, along with further experiments that will deepen our knowledge of how β-endorphin affects breast cancer; (2) how both the opioid receptor and somatostatin receptor classes alter intracellular signaling in breast cancer cells; and (3) genetic alleles in the opioid signaling pathway that are correlated with increased breast cancer risk. Part 2 will discuss the role of endorphins in recovery from breast cancer. This includes a discussion of three topics: (1) the relationship between breast cancer diagnosis and depression; (2) the effectiveness of cognitive behavioral therapy in reducing stress in breast cancer patients; and (3) the effect of psychotherapy and exercise on preserving telomere length in breast cancer patients.
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Affiliation(s)
- David H Nguyen
- BrainScanology, Inc, Concord, CA, USA.
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.
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11
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Medoro A, Saso L, Scapagnini G, Davinelli S. NRF2 signaling pathway and telomere length in aging and age-related diseases. Mol Cell Biochem 2023:10.1007/s11010-023-04878-x. [PMID: 37917279 DOI: 10.1007/s11010-023-04878-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Accepted: 10/07/2023] [Indexed: 11/04/2023]
Abstract
The transcription factor nuclear factor erythroid 2-related factor 2 (NRF2) is well recognized as a critical regulator of redox, metabolic, and protein homeostasis, as well as the regulation of inflammation. An age-associated decline in NRF2 activity may allow oxidative stress to remain unmitigated and affect key features associated with the aging phenotype, including telomere shortening. Telomeres, the protective caps of eukaryotic chromosomes, are highly susceptible to oxidative DNA damage, which can accelerate telomere shortening and, consequently, lead to premature senescence and genomic instability. In this review, we explore how the dysregulation of NRF2, coupled with an increase in oxidative stress, might be a major determinant of telomere shortening and age-related diseases. We discuss the relevance of the connection between NRF2 deficiency in aging and telomere attrition, emphasizing the importance of studying this functional link to enhance our understanding of aging pathologies. Finally, we present a number of compounds that possess the ability to restore NRF2 function, maintain a proper redox balance, and preserve telomere length during aging.
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Affiliation(s)
- Alessandro Medoro
- Department of Medicine and Health Sciences "V. Tiberio", University of Molise, Via F. De Sanctis, s.n.c., 86100, Campobasso, Italy
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, Rome, Italy
| | - Giovanni Scapagnini
- Department of Medicine and Health Sciences "V. Tiberio", University of Molise, Via F. De Sanctis, s.n.c., 86100, Campobasso, Italy
| | - Sergio Davinelli
- Department of Medicine and Health Sciences "V. Tiberio", University of Molise, Via F. De Sanctis, s.n.c., 86100, Campobasso, Italy.
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Pérez-López FR, Ulloque-Badaracco JR, López-Baena MT, Yuan J, Alarcón-Braga EA, Benites-Zapata VA. Endometrial telomerase activity in women with either endometrial cancer or hyperplasia: A systematic review and meta-analysis. Maturitas 2023; 174:57-66. [PMID: 37295252 DOI: 10.1016/j.maturitas.2023.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 04/24/2023] [Accepted: 05/06/2023] [Indexed: 06/12/2023]
Abstract
AIM We performed a systematic review and meta-analysis to assess whether endometrial telomerase activity is associated with endometrial cancer or hyperplasia. METHODS PubMed, Web of Science, Embase, Scielo, LILAC, and CNKI databases were searched to obtain relevant literature for articles published through June 2022, following PRISMA guidelines and a registered PROSPERO protocol. We included observational studies reporting endometrial telomerase activity in patients with either endometrial cancer or hyperplasia compared with benign endometrial tissue (control women). The Newcastle-Ottawa Scale was used to evaluate the quality of studies. Data were expressed as the odds ratios (OR) and 95 % confidence intervals (CI). Random effects and inverse variance methods were used to meta-analyze associations. The I2 test was used to assess heterogeneity. RESULTS There were significant associations between endometrial telomerase activity and either endometrial cancer (20 studies, OR = 10.65, 95 % CI 6.39, 17.75, p = 0.00001, I2 = 21 %) or endometrial hyperplasia (nine studies, OR = 3.62, 95 % CI 1.61, 8.13, p = 0.002, I2 = 36 %) compared to women without endometrial cancer and hyperplasia. There was not a significant difference in telomerase activity in women with endometrial cancer compared to those with endometrial hyperplasia (seven studies, OR = 1.03; 95 % CI 0.31, 3.37, p = 0.96, I2 = 49 %). In subgroup analyses, there were no significant differences in telomerase activity in patients with endometrial cancer by type of observational studies and by countries of the studies. CONCLUSION Endometrial telomerase activity is higher in women with either endometrial cancer or endometrial hyperplasia compared to control women without those lesions.
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Affiliation(s)
- Faustino R Pérez-López
- University of Zaragoza Faculty of Medicine, Domingo Miral s/n, Zaragoza 50009, Spain; Aragón Health Research Institute, San Juan Bosco 13, Zaragoza 50009, Spain.
| | | | | | - Junhua Yuan
- Special Medicine Department, School of Basic Medicine, Qingdao University, Qingado, China
| | - Esteban A Alarcón-Braga
- Escuela de Medicina, Universidad Peruana de Ciencias Aplicadas, Lima, Peru; Sociedad Científica de Estudiantes de Medicina, Escuela de Medicina, Universidad Peruana de Ciencias Aplicadas, Lima, Peru
| | - Vicente A Benites-Zapata
- Unidad de Investigación para la Generación y Síntesis de Evidencias en Salud, Vicerrectorado de Investigación, Universidad San Ignacio de Loyola, Lima, Peru
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13
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Telomere Length Changes in Cancer: Insights on Carcinogenesis and Potential for Non-Invasive Diagnostic Strategies. Genes (Basel) 2023; 14:genes14030715. [PMID: 36980987 PMCID: PMC10047978 DOI: 10.3390/genes14030715] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/08/2023] [Accepted: 03/10/2023] [Indexed: 03/17/2023] Open
Abstract
Telomere dynamics play a crucial role in the maintenance of chromosome integrity; changes in telomere length may thus contribute to the development of various diseases including cancer. Understanding the role of telomeric DNA in carcinogenesis and detecting the presence of cell-free telomeric DNA (cf-telDNA) in body fluids offer a potential biomarker for novel cancer screening and diagnostic strategies. Liquid biopsy is becoming increasingly popular due to its undeniable benefits over conventional invasive methods. However, the organization and function of cf-telDNA in the extracellular milieu are understudied. This paper provides a review based on 3,398,017 cancer patients, patients with other conditions, and control individuals with the aim to shed more light on the inconsistent nature of telomere lengthening/shortening in oncological contexts. To gain a better understanding of biological factors (e.g., telomerase activation, alternative lengthening of telomeres) affecting telomere homeostasis across different types of cancer, we summarize mechanisms responsible for telomere length maintenance. In conclusion, we compare tissue- and liquid biopsy-based approaches in cancer assessment and provide a brief outlook on the methodology used for telomere length evaluation, highlighting the advances of state-of-the-art approaches in the field.
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14
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Lord BD, Harris AR, Ambs S. The impact of social and environmental factors on cancer biology in Black Americans. Cancer Causes Control 2023; 34:191-203. [PMID: 36562901 DOI: 10.1007/s10552-022-01664-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022]
Abstract
Low socioeconomic status (SES) is associated with early onset of chronic diseases and reduced life expectancy. The involvement of neighborhood-level factors in defining cancer risk and outcomes for marginalized communities has been an active area of research for decades. Yet, the biological processes that underlie the impact of SES on chronic health conditions, such as cancer, remain poorly understood. To date, limited studies have shown that chronic life stress is more prevalent in low SES communities and can affect important molecular processes implicated in tumor biology such as DNA methylation, inflammation, and immune response. Further efforts to elucidate how neighborhood-level factors function physiologically to worsen cancer outcomes for disadvantaged communities are underway. This review provides an overview of the current literature on how socioenvironmental factors within neighborhoods contribute to more aggressive tumor biology, specifically in Black U.S. women and men, including the impact of environmental pollutants, neighborhood deprivation, social isolation, structural racism, and discrimination. We also summarize commonly used methods to measure deprivation, discrimination, and structural racism at the neighborhood-level in cancer health disparities research. Finally, we offer recommendations to adopt a multi-faceted intersectional approach to reduce cancer health disparities and develop effective interventions to promote health equity.
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Affiliation(s)
- Brittany D Lord
- Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute (NCI), National Institutes of Health (NIH), Bldg. 37/Room 3050, Bethesda, MD, 20892-4258, USA.
| | - Alexandra R Harris
- Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute (NCI), National Institutes of Health (NIH), Bldg. 37/Room 3050, Bethesda, MD, 20892-4258, USA
| | - Stefan Ambs
- Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute (NCI), National Institutes of Health (NIH), Bldg. 37/Room 3050, Bethesda, MD, 20892-4258, USA
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15
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Pauleck S, Sinnott JA, Zheng YL, Gadalla SM, Viskochil R, Haaland B, Cawthon RM, Hoffmeister A, Hardikar S. Association of Telomere Length with Colorectal Cancer Risk and Prognosis: A Systematic Review and Meta-Analysis. Cancers (Basel) 2023; 15:1159. [PMID: 36831502 PMCID: PMC9954736 DOI: 10.3390/cancers15041159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 02/04/2023] [Accepted: 02/08/2023] [Indexed: 02/15/2023] Open
Abstract
(1) Background: Colorectal cancer risk and survival have previously been associated with telomere length in peripheral blood leukocytes and tumor tissue. A systematic review and meta-analysis of the literature was conducted. The PubMed, Embase, and Web of Science databases were searched through March 2022. (2) Methods: Relevant studies were identified through database searching following PRISMA guidelines. Risk estimates were extracted from identified studies; meta-analyses were conducted using random effects models. (3) Results: Fourteen studies were identified (eight on risk; six on survival) through systematic review. While no association was observed between circulating leukocyte telomere length and the risk of colorectal cancer [overall OR (95% CI) = 1.01 (0.82-1.24)], a worse survival for those with shorter telomeres in leukocytes and longer telomeres in tumor tissues was observed [Quartile1/Quartile2-4 overall HR (95% CI) = 1.41 (0.26-7.59) and 0.82 (0.69-0.98), respectively]. (4) Conclusions: Although there was no association with colorectal cancer risk, a poorer survival was observed among those with shorter leukocyte telomere length. Future larger studies evaluating a potentially non-linear relationship between telomeres and colorectal cancer are needed.
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Affiliation(s)
- Svenja Pauleck
- Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
- Medical Department II, Division of Gastroenterology, University of Leipzig Medical Center, 04103 Leipzig, Germany
| | - Jennifer A. Sinnott
- Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
- Department of Pediatrics, University of Utah, Salt Lake City, UT 84108, USA
- Department of Statistics, The Ohio State University, Columbus, OH 43210, USA
| | - Yun-Ling Zheng
- Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Shahinaz M. Gadalla
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD 20892, USA
| | - Richard Viskochil
- Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT 84108, USA
| | - Benjamin Haaland
- Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT 84108, USA
| | - Richard M. Cawthon
- Department of Human Genetics, University of Utah, Salt Lake City, UT 84108, USA
| | - Albrecht Hoffmeister
- Medical Department II, Division of Gastroenterology, University of Leipzig Medical Center, 04103 Leipzig, Germany
| | - Sheetal Hardikar
- Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT 84108, USA
- Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
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16
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Ask TF, Sütterlin S. Prefrontally modulated vagal neuroimmunomodulation is associated with telomere length. Front Neurosci 2022; 16:1063162. [PMID: 36605550 PMCID: PMC9807922 DOI: 10.3389/fnins.2022.1063162] [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: 10/07/2022] [Accepted: 12/05/2022] [Indexed: 12/24/2022] Open
Abstract
Background Accumulated senescent cells are proposed to be one of the main drivers of age-related pathology such as dementia and cancer through disruption of tissue structure and function. We recently proposed the Neuro-Immuno-Senescence Integrative Model (NISIM), which relates prefrontally modulated vagal tone and subsequent balance between vagal and sympathetic input to the spleen to inflammatory responses leading to generation of reactive oxygen species and oxidative telomere damage. Aim In this study, we assess inflammation as a mediator in the relationship between prefrontally modulated vagal tone and leukocyte telomere length (LTL). We also assess the relationship between a recently proposed index of vagal neuroimmunomodulation (vagal tone/inflammation ratio; NIM index) and telomere length. Methods This study uses participant data from a large nationally representative longitudinal study since 1974 with a total of 45,000 Norwegian residents so far. A sub-sample of 131 participants from which ultrashort recordings (30 s) of vagal tone, c reactive protein, and LTL could be obtained were included in the study. Relationships were analyzed with Pearson's correlations and hierarchical multiple linear regression using either vagal tone and CRP or the NIM index to predict telomere length. Results Vagal tone was a significant positive predictor of telomere length but this was not mediated by c reactive protein, even after controlling for confounders. The NIM index was a significant positive predictor of telomere length, also when controlling for confounders. In a follow-up analysis simultaneously comparing telomere length between groups with high and low values of vagal tone, and between groups with high and low NIM index values, telomere length was only significantly different between NIM index groups. Conclusion This is the first study suggesting that prefrontally modulated vagal neuroimmunomodulation is associated with telomere length thus supporting the NISIM. Results indicate that the NIM index is a more sensitive indicator of vagal neuroimmunomodulation than vagal tone and CRP in isolation.
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Affiliation(s)
- Torvald F. Ask
- Faculty of Health, Welfare and Organisation, Østfold University College, Halden, Norway
- Department of Information Security and Communication Technology, Norwegian University of Science and Technology, Gjøvik, Norway
| | - Stefan Sütterlin
- Faculty of Health, Welfare and Organisation, Østfold University College, Halden, Norway
- Faculty of Computer Science, Albstadt-Sigmaringen University, Sigmaringen, Germany
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17
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Miki A, Matsuda Y, Aida J, Watanabe J, Sanada Y, Sakuma Y, Lefor AK, Fukushima N, Sata N, Arai T, Takubo K, Ishiwata T. Telomere Attrition in Intraductal Papillary Mucinous Neoplasms of the Pancreas Associated With Carcinogenesis and Aging. Pancreas 2022; 51:678-683. [PMID: 36206470 DOI: 10.1097/mpa.0000000000002081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
OBJECTIVES It is challenging to preoperatively distinguish malignant and benign forms of intraductal papillary mucinous neoplasms (IPMNs) of the pancreas. The aims of this study were to investigate whether telomere length is associated with pathological grade of IPMNs and age and to clarify the utility of telomere length as a marker to identify malignant IPMNs. METHODS Pancreas tissue was obtained from 28 patients after resection. We measured the telomere lengths of tumor cells in IPMNs and normal duct cells by quantitative fluorescence in situ hybridization. The association of normalized telomere-centromere ratio (NTCR) to pathological grade of IPMNs and age were determined. RESULTS The NTCR showed a gradual decrease with increasing pathological grade of IPMNs. The NTCR in intermediate- and high-grade dysplasia and adenocarcinoma lesions was significantly shorter than in normal pancreatic ducts (P < 0.05). In multivariate analysis, telomere length was most associated with carcinogenesis. When the cutoff value of NTCR was set to 0.74, the sensitivity for detection of high-grade dysplasia and adenocarcinoma was 82.8%, with a specificity of 87.5%. CONCLUSIONS Telomere shortening occurs with carcinogenesis and aging. A significant reduction of telomere length in IPMNs may be useful for surgical decision making.
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Affiliation(s)
| | - Yoko Matsuda
- Oncology Pathology, Department of Pathology and Host-Defense, Faculty of Medicine, Kagawa University, Kagawa
| | - Junko Aida
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo
| | - Jun Watanabe
- From the Division of Gastroenterological, General and Transplant Surgery, Department of Surgery, Jichi Medical University, Tochigi
| | - Yukihiro Sanada
- From the Division of Gastroenterological, General and Transplant Surgery, Department of Surgery, Jichi Medical University, Tochigi
| | - Yasunaru Sakuma
- From the Division of Gastroenterological, General and Transplant Surgery, Department of Surgery, Jichi Medical University, Tochigi
| | - Alan K Lefor
- From the Division of Gastroenterological, General and Transplant Surgery, Department of Surgery, Jichi Medical University, Tochigi
| | | | - Naohiro Sata
- From the Division of Gastroenterological, General and Transplant Surgery, Department of Surgery, Jichi Medical University, Tochigi
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Kaiyo Takubo
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo
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18
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Shen J, Fuemmeler BF, Sheppard VB, Bear HD, Song R, Chow WH, Zhao H. Neighborhood disadvantage and biological aging biomarkers among breast cancer patients. Sci Rep 2022; 12:11006. [PMID: 35773311 PMCID: PMC9246873 DOI: 10.1038/s41598-022-15260-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 06/21/2022] [Indexed: 11/09/2022] Open
Abstract
Living in a disadvantaged neighborhood is associated with adverse clinical outcomes among breast cancer patients, but the underlying pathway is still unclear. Limited evidence has suggested that accelerated biological aging may play an important role. In this study, using a sub-sample of 906 women with newly diagnosed breast cancer at M.D. Anderson, we examined whether levels of selected markers of biological aging (e.g., allostatic load, telomere length, and global DNA methylation) were affected by neighborhood disadvantage. The Area Deprivation Index was used to determine the neighborhood disadvantage. Based on the median ADI at the national level, the study population was divided into low and high ADI groups. Overall, breast cancer patients from the high ADI group were more likely to be younger and non-Hispanic Black than those from the low ADI group (P < 0.001, respectively). They were also more likely to have higher grade and poorly differentiated breast tumors (P = 0.029 and 0.019, respectively). For the relationship with markers, compared to the low ADI group, high ADI group had higher median levels of allostatic load (P = 0.046) and lower median levels of global DNA methylation (P < 0.001). Compared to their counterparts, those from the high ADI group were 20% more likely to have increased allostatic load and 51% less likely to have increased levels of global DNA methylation. In summary, we observed that levels of allostatic load and global DNA methylation are influenced by neighborhood disadvantage among breast cancer patients.
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Affiliation(s)
- Jie Shen
- Departments of Family Medicine and Population Health, School of Medicine, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - Bernard F Fuemmeler
- Health Behavior and Policy, School of Medicine, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - Vanessa B Sheppard
- Health Behavior and Policy, School of Medicine, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - Harry D Bear
- Department of Surgery, School of Medicine, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - Renduo Song
- Departments of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Wong-Ho Chow
- Departments of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Hua Zhao
- Departments of Family Medicine and Population Health, School of Medicine, Virginia Commonwealth University, Richmond, VA, 23284, USA.
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19
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Association of Relative Telomere Length and Risk of High Human Papillomavirus Load in Cervical Epithelial Cells. Balkan J Med Genet 2022; 24:65-70. [PMID: 36249518 PMCID: PMC9524175 DOI: 10.2478/bjmg-2021-0026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022] Open
Abstract
Importunate high-risk HPV (HR-HPV) infection is the most common trigger for the cervical carcinogenesis process. In this respect, the presence of cancer can be imputed to telomere lengthening or shortening. This paper explores the possible correlation between relative telomere length and viral load in two groups of women, namely: those with high-risk HPV infection and those who do not have this infection. Thus, samples comprising of 50 women in each group were evaluated for this research. The Amplisens HPV HCR screen-titre-FRT PCR kite was employed for quantitative analysis. Relative telomere length was quantified by real-time PCR. In each of the two HPV load groups, there was no correlation between age and telomere length. Telomere shortening was found in the cervical cell samples of women with high HPV loads, compared with women in the control group. Telomere shortening is associated with elevated HPV loads.
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20
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Stephens Z, Ferrer A, Boardman L, Iyer RK, Kocher JPA. Telogator: a method for reporting chromosome-specific telomere lengths from long reads. Bioinformatics 2022; 38:1788-1793. [PMID: 35022670 PMCID: PMC8963315 DOI: 10.1093/bioinformatics/btac005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 12/17/2021] [Indexed: 02/03/2023] Open
Abstract
MOTIVATION Telomeres are the repetitive sequences found at the ends of eukaryotic chromosomes and are often thought of as a 'biological clock,' with their average length shortening during division in most cells. In addition to their association with senescence, abnormal telomere lengths are well known to be associated with multiple cancers, short telomere syndromes and as risk factors for a broad range of diseases. While a majority of methods for measuring telomere length will report average lengths across all chromosomes, it is known that aberrations in specific chromosome arms are biomarkers for certain diseases. Due to their repetitive nature, characterizing telomeres at this resolution is prohibitive for short read sequencing approaches, and is challenging still even with longer reads. RESULTS We present Telogator: a method for reporting chromosome-specific telomere length from long read sequencing data. We demonstrate Telogator's sensitivity in detecting chromosome-specific telomere length in simulated data across a range of read lengths and error rates. Telogator is then applied to 10 germline samples, yielding a high correlation with short read methods in reporting average telomere length. In addition, we investigate common subtelomere rearrangements and identify the minimum read length required to anchor telomere/subtelomere boundaries in samples with these haplotypes. AVAILABILITY AND IMPLEMENTATION Telogator is written in Python3 and is available at github.com/zstephens/telogator. SUPPLEMENTARY INFORMATION Supplementary data are available at Bioinformatics online.
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Affiliation(s)
- Zachary Stephens
- Department of Electrical and Computer Engineering, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
| | | | - Lisa Boardman
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55902, USA
| | - Ravishankar K Iyer
- Department of Electrical and Computer Engineering, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
| | - Jean-Pierre A Kocher
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN 55902, USA
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21
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Codd V, Denniff M, Swinfield C, Warner SC, Papakonstantinou M, Sheth S, Nanus DE, Budgeon CA, Musicha C, Bountziouka V, Wang Q, Bramley R, Allara E, Kaptoge S, Stoma S, Jiang T, Butterworth AS, Wood AM, Di Angelantonio E, Thompson JR, Danesh JN, Nelson CP, Samani NJ. Measurement and initial characterization of leukocyte telomere length in 474,074 participants in UK Biobank. NATURE AGING 2022; 2:170-179. [PMID: 37117760 DOI: 10.1038/s43587-021-00166-9] [Citation(s) in RCA: 79] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 12/21/2021] [Indexed: 04/30/2023]
Abstract
Leukocyte telomere length (LTL) is a proposed marker of biological age. Here we report the measurement and initial characterization of LTL in 474,074 participants in UK Biobank. We confirm that older age and male sex associate with shorter LTL, with women on average ~7 years younger in 'biological age' than men. Compared to white Europeans, LTL is markedly longer in African and Chinese ancestries. Older paternal age at birth is associated with longer individual LTL. Higher white cell count is associated with shorter LTL, but proportions of white cell subtypes show weaker associations. Age, ethnicity, sex and white cell count explain ~5.5% of LTL variance. Using paired samples from 1,351 participants taken ~5 years apart, we estimate the within-individual variability in LTL and provide a correction factor for this. This resource provides opportunities to investigate determinants and biomedical consequences of variation in LTL.
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Affiliation(s)
- V Codd
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK.
- NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, UK.
| | - M Denniff
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - C Swinfield
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - S C Warner
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - M Papakonstantinou
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - S Sheth
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - D E Nanus
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - C A Budgeon
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
- NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, UK
- School of Population and Global Health, University of Western Australia, Crawley, Western Australia, Australia
| | - C Musicha
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
- NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, UK
| | - V Bountziouka
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
- NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, UK
| | - Q Wang
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
- NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, UK
| | - R Bramley
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
- NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, UK
| | - E Allara
- British Heart Foundation Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- National Institute for Health Research Blood and Transplant Research Unit in Donor Health and Genomics, University of Cambridge, Cambridge, UK
| | - S Kaptoge
- British Heart Foundation Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- National Institute for Health Research Blood and Transplant Research Unit in Donor Health and Genomics, University of Cambridge, Cambridge, UK
- British Heart Foundation Centre of Research Excellence, University of Cambridge, Cambridge, UK
| | - S Stoma
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - T Jiang
- British Heart Foundation Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
| | - A S Butterworth
- British Heart Foundation Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- National Institute for Health Research Blood and Transplant Research Unit in Donor Health and Genomics, University of Cambridge, Cambridge, UK
- British Heart Foundation Centre of Research Excellence, University of Cambridge, Cambridge, UK
- Health Data Research UK Cambridge, Wellcome Genome Campus and University of Cambridge, Cambridge, UK
| | - A M Wood
- British Heart Foundation Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- National Institute for Health Research Blood and Transplant Research Unit in Donor Health and Genomics, University of Cambridge, Cambridge, UK
- British Heart Foundation Centre of Research Excellence, University of Cambridge, Cambridge, UK
- Health Data Research UK Cambridge, Wellcome Genome Campus and University of Cambridge, Cambridge, UK
- Medical Research Council Biostatistics Unit, Cambridge Institute of Public Health, University of Cambridge, Cambridge, UK
- The Alan Turing Institute, London, UK
| | - E Di Angelantonio
- British Heart Foundation Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- National Institute for Health Research Blood and Transplant Research Unit in Donor Health and Genomics, University of Cambridge, Cambridge, UK
- British Heart Foundation Centre of Research Excellence, University of Cambridge, Cambridge, UK
- Health Data Research UK Cambridge, Wellcome Genome Campus and University of Cambridge, Cambridge, UK
- Health Data Science Centre, Human Technopole, Milan, Italy
| | - J R Thompson
- Department of Health Sciences, University of Leicester, Leicester, UK
| | - J N Danesh
- British Heart Foundation Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- National Institute for Health Research Blood and Transplant Research Unit in Donor Health and Genomics, University of Cambridge, Cambridge, UK
- British Heart Foundation Centre of Research Excellence, University of Cambridge, Cambridge, UK
- Health Data Research UK Cambridge, Wellcome Genome Campus and University of Cambridge, Cambridge, UK
- Department of Human Genetics, Wellcome Sanger Institute, Hinxton, UK
| | - C P Nelson
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
- NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, UK
| | - N J Samani
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK.
- NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, UK.
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22
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Lin J, Epel E. Stress and telomere shortening: Insights from cellular mechanisms. Ageing Res Rev 2022; 73:101507. [PMID: 34736994 PMCID: PMC8920518 DOI: 10.1016/j.arr.2021.101507] [Citation(s) in RCA: 141] [Impact Index Per Article: 70.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 10/08/2021] [Accepted: 10/21/2021] [Indexed: 12/14/2022]
Abstract
Short telomeres confer risk of degenerative diseases. Chronic psychological stress can lead to disease through many pathways, and research from in vitro studies to human longitudinal studies has pointed to stress-induced telomere damage as an important pathway. However, there has not been a comprehensive model to describe how changes in stress physiology and neuroendocrine pathways can lead to changes in telomere biology. Critically short telomeres or the collapse of the telomere structure caused by displacement of telomere binding protein complex shelterin elicit a DNA damage response and lead to senescence or apoptosis. In this narrative review, we summarize the key roles glucocorticoids, reactive oxygen species (ROS) and mitochondria, and inflammation play in mediating the relationship between psychological stress and telomere maintenance. We emphasis that these mediators are interconnected and reinforce each other in positive feedback loops. Telomere length has not been studied across the lifespan yet, but the initial setting point at birth appears to be the most influential point, as it sets the lifetime trajectory, and is influenced by stress. We describe two types of intergenerational stress effects on telomeres - prenatal stress effects on telomeres during fetal development, and 'telotype transmission" -the directly inherited transmission of short telomeres from parental germline. It is clear that the initial simplistic view of telomere length as a mitotic clock has evolved into a far more complex picture of both transgenerational telomere influences, and of interconnected molecular and cellular pathways and networks, as hallmarks of aging where telomere maintenance is a key player interacting with mitochondria. Further mechanistic investigations testing this comprehensive model of stress mediators shaping telomere biology and the telomere-mitochondrial nexus will lead to better understanding from cell to human lifespan aging, and could lead to anti-aging interventions.
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23
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Rahimi Mehdi Abad F, Khalili P, Jalali F, Pirsadeghi A, Esmaeili Nadimi A, Manshoori A, Jalali Z. Maternal opioid use is reflected on leukocyte telomere length of male newborns. PLoS One 2021; 16:e0261013. [PMID: 34919564 PMCID: PMC8682876 DOI: 10.1371/journal.pone.0261013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 11/22/2021] [Indexed: 11/23/2022] Open
Abstract
Opioid use accelerates normal aging in adults that raises a question on whether it may trans-generationally affect aging and aging biomarkers in the offspring of users as well? In the present research, we investigated the relative telomere length in umbilical cord blood of newborns born to opioid consuming mothers compared to normal controls. Telomere length shortening is a known biomarker of aging and aging related diseases. Its measure at birth or early in life is considered as a predictor of individual health in adulthood. Here, we performed a case-control study to investigate whether maternal opioid use affects newborns relative telomere length (RTL). 57 mother-newborn dyads were included in this study, 30 neonates with opioid using mothers (OM), and 27 with not-opioid using mothers (NOM)). RTL was measured in leukocyte cells genomic DNA using real-time PCR. The correlation of maternal opioid use with neonates telomer length was assessed using logistic regression analysis. The results displayed a significant association between odds ratio of long RTL and maternal opioid use when sensitivity analysis was performed by neonate sex; where the data indicates significantly increased odds ratio of long leukocyte RTL in association with maternal opioid use in male neonates only. Further work is necessary to assess this association in larger samples and test the potential underlying mechanisms for this observation.
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Affiliation(s)
- Fatemeh Rahimi Mehdi Abad
- Department of Clinical Biochemistry, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Parvin Khalili
- Social Determinants of Health Research Centre, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
- Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Jalali
- Department of Pediatrics, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
- Non-Communicable Diseases Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Ali Pirsadeghi
- Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Ali Esmaeili Nadimi
- Non-Communicable Diseases Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
- Department of Cardiology, School of Medicine, Rafsanjani University of Medical Sciences, Rafsanjan, Iran
| | - Azita Manshoori
- Department of Gynecology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Zahra Jalali
- Department of Clinical Biochemistry, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
- Non-Communicable Diseases Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
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24
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Lee KH, Kim DY, Kim W. Regulation of Gene Expression by Telomere Position Effect. Int J Mol Sci 2021; 22:ijms222312807. [PMID: 34884608 PMCID: PMC8657463 DOI: 10.3390/ijms222312807] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 11/16/2022] Open
Abstract
Many diseases that involve malignant tumors in the elderly affect the quality of human life; therefore, the relationship between aging and pathogenesis in geriatric diseases must be under-stood to develop appropriate treatments for these diseases. Recent reports have shown that epigenetic regulation caused by changes in the local chromatin structure plays an essential role in aging. This review provides an overview of the roles of telomere shortening on genomic structural changes during an age-dependent shift in gene expression. Telomere shortening is one of the most prominent events that is involved in cellular aging and it affects global gene expression through genome rearrangement. This review provides novel insights into the roles of telomere shortening in disease-affected cells during pathogenesis and suggests novel therapeutic approaches.
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Affiliation(s)
- Kyung-Ha Lee
- Division of Cosmetic Science and Technology, Daegu Haany University, Gyeongsan 38610, Korea;
| | - Do-Yeon Kim
- Department of Pharmacology, School of Dentistry, Kyungpook National University, Daegu 41940, Korea
- Correspondence: (D.-Y.K.); (W.K.)
| | - Wanil Kim
- Department of Biochemistry, Department of Convergence Medical Science, Institute of Health Sciences, School of Medicine, Gyeongsang National University, Jinju 52727, Korea
- Correspondence: (D.-Y.K.); (W.K.)
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25
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Man TK, Aubert G, Richard MA, LeJeune W, Hariri E, Goltsova T, Gaikwad A, Chen Y, Whitton J, Leisenring WM, Arnold MA, Neglia JP, Yasui Y, Robison LL, Armstrong GT, Bhatia S, Gramatges MM. Short NK and naïve T-cell telomere length is associated with thyroid cancer in childhood cancer survivors: A report from the Childhood Cancer Survivor Study. Cancer Epidemiol Biomarkers Prev 2021; 31:453-460. [PMID: 34782395 DOI: 10.1158/1055-9965.epi-21-0791] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 09/04/2021] [Accepted: 10/29/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Survivors of childhood cancer are at risk for therapy-related subsequent malignant neoplasms (SMN), including thyroid SMN. Telomere length (TL) is associated with cancer risk, but the relationship between TL and SMN risk among survivors is less clear. METHODS We conducted a nested, matched case-control study of radiation-exposed 15-year+ adult survivors of childhood cancer with thyroid SMN (cases) and without SMN (controls). 46 cases were matched to 46 controls by primary diagnosis, chemotherapy (yes/no), radiation field, and follow-up duration. Lymphocyte TL (LTL) was measured by telomere flow-FISH cytometry using blood samples banked at a mean of 38.9 years (cases), 39.2 years (controls). Genetic variation in telomere genes was assessed by whole genome sequencing. Point estimates for LTL <10th percentile were determined for cases and controls. RESULTS Cases had shorter median LTL than controls in three out of four leukocyte subsets. Cases were more likely to have NK cell LTL <10th percentile (p=0.01), and 2.8-fold more likely to have naïve T-cell LTL <10th percentile than controls (CI 1.07, 8.78). Five out of 15 cases with a rare indel or missense variant had naïve T-cell LTL <10th percentile, compared with one out of 8 controls. CONCLUSIONS Long-term survivors have shorter than expected LTL, a finding that is more pronounced among survivors with thyroid SMN. IMPACT The long-term impact of childhood cancer treatment on immune function is poorly understood. Our findings support immune function studies in larger survivor cohorts to assess long-term deficits in adaptive and innate immunity that may underlie SMN risk.
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Affiliation(s)
- Tsz-Kwong Man
- Baylor College of Medicine, Department of Pediatrics, Houston, Texas
- Dan L. Duncan Comprehensive Cancer Center, Houston, Texas
| | - Geraldine Aubert
- British Columbia Cancer Agency, Vancouver, Canada
- Repeat Diagnostics, Inc., Vancouver, British Columbia, Canada
| | - Melissa A Richard
- Baylor College of Medicine, Department of Pediatrics, Houston, Texas
- Dan L. Duncan Comprehensive Cancer Center, Houston, Texas
| | - Wanda LeJeune
- Baylor College of Medicine, Department of Pediatrics, Houston, Texas
| | - Elmira Hariri
- Repeat Diagnostics, Inc., Vancouver, British Columbia, Canada
| | - Tatiana Goltsova
- Baylor College of Medicine, Department of Pediatrics, Houston, Texas
| | - Amos Gaikwad
- Baylor College of Medicine, Department of Pediatrics, Houston, Texas
| | - Yan Chen
- University of Alberta School of Public Health, Department of Public Health Sciences, Edmonton, Alberta, Canada
| | - Jillian Whitton
- Fred Hutchinson Cancer Research Center, Clinical Research Division, Seattle, Washington
| | - Wendy M Leisenring
- Fred Hutchinson Cancer Research Center, Clinical Research Division, Seattle, Washington
| | - Michael A Arnold
- University of Colorado School of Medicine, Department of Pathology, Aurora, Colorado
| | - Joseph P Neglia
- University of Minnesota Medical School, Department of Pediatrics, Minneapolis, Minnesota
| | - Yutaka Yasui
- St. Jude Children's Research Hospital, Department of Epidemiology and Cancer Control, Memphis, Tennessee
| | - Leslie L Robison
- St. Jude Children's Research Hospital, Department of Epidemiology and Cancer Control, Memphis, Tennessee
| | - Gregory T Armstrong
- St. Jude Children's Research Hospital, Department of Epidemiology and Cancer Control, Memphis, Tennessee
| | - Smita Bhatia
- University of Alabama at Birmingham School of Medicine, Institute for Cancer Outcomes and Survivorship, Birmingham, Alabama
| | - Maria M Gramatges
- Baylor College of Medicine, Department of Pediatrics, Houston, Texas.
- Dan L. Duncan Comprehensive Cancer Center, Houston, Texas
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26
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Giaccherini M, Gentiluomo M, Fornili M, Lucenteforte E, Baglietto L, Campa D. Association between telomere length and mitochondrial copy number and cancer risk in humans: A meta-analysis on more than 300,000 individuals. Crit Rev Oncol Hematol 2021; 167:103510. [PMID: 34695574 DOI: 10.1016/j.critrevonc.2021.103510] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/13/2021] [Accepted: 10/14/2021] [Indexed: 12/17/2022] Open
Abstract
In the last decades the association of leukocyte telomere length (LTL) and mitochondrial copy number (mtDNAcn) with cancer risk has been the focus of many reports, however the relation is not yet completely understood. A meta-analysis of 112 studies including 64,184 cancer cases and 278,641 controls that analysed LTL and mtDNAcn in relation to cancer risk has been conducted to further our understanding of the topic. Stratified analyses for tumor type were also performed. Overall, no association was observed for all cancer combined neither for LTL nor mtDNAcn. Significant associations were detected for these biomarkers and specific cancer type; however, a large degree of heterogeneity was present, even within the same tumor type. Alternatives approaches based on polymorphic variants, such as polygenic risk scores and mendelian randomization, could be adopted to unravel the causal correlation of telomere length and mitochondrial copy number with cancer risk.
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Affiliation(s)
| | | | - Marco Fornili
- Department of Clinical and Experimental Medicine, University of Pisa, 56126, Pisa, Italy.
| | - Ersilia Lucenteforte
- Department of Clinical and Experimental Medicine, University of Pisa, 56126, Pisa, Italy.
| | - Laura Baglietto
- Department of Clinical and Experimental Medicine, University of Pisa, 56126, Pisa, Italy.
| | - Daniele Campa
- Department of Biology, University of Pisa, 56126, Pisa, Italy.
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27
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Land use mix and leukocyte telomere length in Mexican Americans. Sci Rep 2021; 11:19742. [PMID: 34611226 PMCID: PMC8492751 DOI: 10.1038/s41598-021-99171-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 08/30/2021] [Indexed: 12/04/2022] Open
Abstract
It has been well-known that built environment features influence the risk of chronic diseases. However, the existing data of its relationship with telomere length, a biomarker of biological aging, is still limited, with no study available for Mexican Americans. This study investigates the relationship between several factors of the built environment with leukocyte telomere length among 5508 Mexican American adults enrolled in Mano-A-Mano, the Mexican American Cohort Study (MACS). Based on the quartile levels of telomere length, the study population was categorized into four groups, from the lowest (1st quartile) to the highest telomere length group (4th quartile). For individual built environment factors, their levels did not differ significantly across four groups. However, in the multinominal logistic regression analysis, increased Rundle’s land use mixture (LUM) and Frank’s LUM were found statistically significantly associated with increased odds of having high levels of telomere length (Rundle’s LUM: 2nd quartile: Odds ratio (OR) 1.26, 95% Confidence interval (CI) 1.07, 1.48; 3rd quartile: OR 1.25, 95% CI 1.06, 1.46; 4th quartile: OR 1.19, 95% CI 1.01, 1.41; Frank’s LUM: 2nd quartile: OR 1.34, 95% CI 1.02, 2.63; 3rd quartile: OR 1.55, 95% CI 1.04, 2.91; 4th quartile: OR 1.36, 95% CI 1.05, 2.72, respectively). The associations for Rundle’s LUM remained significant after further adjusting other non-redundant built environment factors. Finally, in stratified analysis, we found the association between Rundle’s LUM and telomere length was more evident among younger individuals (< 38 years old), women, and those with obesity, born in Mexico, having low levels of physical activity, and having low levels of acculturation than their relative counterparts. In summary, our results indicate that land use mixture may impact telomere length in leukocytes in Mexican Americans.
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28
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Association of Mitochondrial DNA Copy Number and Telomere Length with Prevalent and Incident Cancer and Cancer Mortality in Women: A Prospective Swedish Population-Based Study. Cancers (Basel) 2021; 13:cancers13153842. [PMID: 34359743 PMCID: PMC8345403 DOI: 10.3390/cancers13153842] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 12/09/2022] Open
Abstract
Changes in mitochondrial DNA copy number (mtDNA-CN) and telomere length have, separately, been proposed as risk factors for various cancer types. However, those results are conflicting. Here, mtDNA-CN and relative telomere length were measured in 3225 middle-aged women included in a large population-based prospective cohort. The baseline mtDNA-CN in patients with prevalent breast cancer was significantly higher (12.39 copies/µL) than cancer-free individuals. During an average of 15.2 years of follow-up, 520 patients were diagnosed with cancer. Lower mtDNA-CN was associated with decreased risk of genital organ cancer (hazard ratio (HR), 0.84), and shorter telomere length was associated with increased risk of urinary system cancer (HR, 1.79). Furthermore, mtDNA-CN was inversely associated with all-cause (HR, 1.20) and cancer-specific mortality (HR, 1.21) when considering all cancer types. Surprisingly, shorter telomere length was associated with decreased risk of cancer-specific mortality when considering all cancer types (HR, 0.85). Finally, lower mtDNA-CN and shorter telomere length were associated with increased risk of both all-cause and cancer-specific mortality in genital organ cancer patients. In this study population, we found that mtDNA-CN and telomere length were significantly associated with prevalent and incident cancer and cancer mortality. However, these associations were cancer type specific and need further investigation.
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29
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Kemp BR, Ferraro KF. Are Biological Consequences of Childhood Exposures Detectable in Telomere Length Decades Later? J Gerontol A Biol Sci Med Sci 2021; 76:7-14. [PMID: 31956916 DOI: 10.1093/gerona/glaa019] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Indexed: 12/13/2022] Open
Abstract
Negative early-life exposures have been linked to a host of poor adult health outcomes, but are such early exposures associated with cellular senescence decades later? This study uses data from the Health and Retirement Study to examine the association between six childhood exposure domains (eg, socioeconomic disadvantage, risky parental behavior) and a biomarker of aging, telomere length, among 4,935 respondents. Telomere length is obtained from DNA of cells found in saliva and is measured as the telomere repeat copy number to single gene copy number ratio (T/S). Men who as children were exposed to risky parental behaviors or who reported risky adolescent behaviors have shorter telomeres (b = -0.031, p = .052; b = -0.041, p = .045, respectively); however, these relationships are attenuated after adjusting for adult risks and resources. Among women, parental substance abuse is associated with shorter telomeres even after adjusting for adult risks and resources (b = -0.041, p = .005). In addition, men and women whose mother lived at least until the age of 85 have longer telomeres than those without a long-lived mother (b = 0.021, p = .045; b = 0.032, p = .005, respectively). Taken together, the ways in which early-life exposures are associated with adult telomeres vary for men and women.
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Affiliation(s)
| | - Kenneth F Ferraro
- Center on Aging and the Life Course, Purdue University, West Lafayette, Indiana.,Department of Sociology, Purdue University, West Lafayette, Indiana
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30
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Sanguedolce F, Calò B, Chirico M, Falagario U, Busetto GM, Zanelli M, Bisagni A, Zizzo M, Ascani S, Carrieri G, Cormio L. Distinctive morphological and molecular features of urothelial carcinoma with an inverted growth pattern. J Pathol Transl Med 2021; 55:239-246. [PMID: 34111910 PMCID: PMC8353137 DOI: 10.4132/jptm.2021.04.20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/02/2021] [Accepted: 04/20/2021] [Indexed: 12/12/2022] Open
Abstract
Urothelial carcinoma with an inverted growth pattern (UC-IGP) is a peculiar entity within the spectrum of urothelial lesions. While efforts have been made over the last few decades to unravel its carcinogenesis and relationship with conventional urothelial carcinoma, the exact classification of inverted urothelial lesions is a matter of debate. The morphological features of UC-IGP pose several issues in differential diagnosis with other mostly benign lesions. Various techniques, including immunohistochemistry, UroVysion, and many molecular methods, have been employed to study the exact nature of this lesion. The aim of this review is to provide a comprehensive overview of the morphological and immunophenotypical aspects of UC-IGP. Moreover, we present and discuss the immunohistochemical and molecular markers involved in diagnosis and prognosis of UC-IGP lesions.
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Affiliation(s)
| | - Beppe Calò
- Urology Unit, University of Foggia, Bonomo Teaching Hospital, Foggia, Italy
| | - Marco Chirico
- Urology and Renal Transplantation Unit, University of Foggia, Foggia, Italy
| | - Ugo Falagario
- Urology and Renal Transplantation Unit, University of Foggia, Foggia, Italy
| | - Gian Maria Busetto
- Urology and Renal Transplantation Unit, University of Foggia, Foggia, Italy
| | - Magda Zanelli
- Pathology Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Alessandra Bisagni
- Pathology Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Maurizio Zizzo
- Surgical Oncology Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
- Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy
| | - Stefano Ascani
- Pathology Unit, Azienda Ospedaliera S. Maria di Terni, University of Perugia, Terni, Italy
| | - Giuseppe Carrieri
- Urology and Renal Transplantation Unit, University of Foggia, Foggia, Italy
| | - Luigi Cormio
- Urology Unit, University of Foggia, Bonomo Teaching Hospital, Foggia, Italy
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31
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Franke K, Bublak P, Hoyer D, Billiet T, Gaser C, Witte OW, Schwab M. In vivo biomarkers of structural and functional brain development and aging in humans. Neurosci Biobehav Rev 2021; 117:142-164. [PMID: 33308708 DOI: 10.1016/j.neubiorev.2017.11.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Revised: 11/01/2017] [Accepted: 11/03/2017] [Indexed: 12/25/2022]
Abstract
Brain aging is a major determinant of aging. Along with the aging population, prevalence of neurodegenerative diseases is increasing, therewith placing economic and social burden on individuals and society. Individual rates of brain aging are shaped by genetics, epigenetics, and prenatal environmental. Biomarkers of biological brain aging are needed to predict individual trajectories of aging and the risk for age-associated neurological impairments for developing early preventive and interventional measures. We review current advances of in vivo biomarkers predicting individual brain age. Telomere length and epigenetic clock, two important biomarkers that are closely related to the mechanistic aging process, have only poor deterministic and predictive accuracy regarding individual brain aging due to their high intra- and interindividual variability. Phenotype-related biomarkers of global cognitive function and brain structure provide a much closer correlation to age at the individual level. During fetal and perinatal life, autonomic activity is a unique functional marker of brain development. The cognitive and structural biomarkers also boast high diagnostic specificity for determining individual risks for neurodegenerative diseases.
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Affiliation(s)
- K Franke
- Department of Neurology, Jena University Hospital, Jena, Germany.
| | - P Bublak
- Department of Neurology, Jena University Hospital, Jena, Germany
| | - D Hoyer
- Department of Neurology, Jena University Hospital, Jena, Germany
| | | | - C Gaser
- Department of Neurology, Jena University Hospital, Jena, Germany; Department of Psychiatry, Jena University Hospital, Jena, Germany
| | - O W Witte
- Department of Neurology, Jena University Hospital, Jena, Germany
| | - M Schwab
- Department of Neurology, Jena University Hospital, Jena, Germany
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32
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Habibi N, Bianco-Miotto T, Phoi YY, Jankovic-Karasoulos T, Roberts CT, Grieger JA. Maternal diet and offspring telomere length: a systematic review. Nutr Rev 2021; 79:148-159. [PMID: 32968801 DOI: 10.1093/nutrit/nuaa097] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
CONTEXT Many studies assert a negative influence of inappropriate maternal diet and nutritional status during pregnancy on offspring, not only in utero but throughout life, because of the role in the programing of noncommunicable diseases. Telomere length is a biomarker of aging, and shorter telomeres are associated with chronic disease later in life. Maternal nutrition and nutritional status may be an important determinant of offspring telomere length. OBJECTIVE A systematic review was conducted to determine the effect of maternal nutrition and nutritional status in pregnancy on offspring telomere length. DATA SOURCES This systematic review was conducted according to PRISMA guidelines. Database searches of PubMed, CINAHL, Scopus, Medline, and Web of Science were performed. STUDY SELECTION Included studies assessed the association between maternal nutrition (dietary intake and nutritional status) during pregnancy and offspring telomere length measured in cord blood, serum, plasma, and peripheral blood mononuclear cells. DATA EXTRACTION Three authors screened and determined the quality of the articles; disagreements were resolved by a fourth author. All authors compared the compiled data. RESULTS Seven studies were extracted and evaluated. Studies comprised a double-blind placebo-controlled trial (n = 1), prospective cohort studies (n = 5), and a cross-sectional study (n = 1). Higher circulating maternal folate and 25-hydroxyvitamin D3 concentrations, along with higher maternal dietary caffeine intakes, were associated with longer offspring telomere length, whereas higher dietary intake of carbohydrate, folate, n-3 polyunsaturated fatty acids, vitamin C, or sodium was not. CONCLUSION The limited but suggestive evidence highlights the need for further research to be conducted in this area, particularly longitudinal studies involving larger cohorts of pregnant women. SYSTEMATIC REVIEW REGISTRATION PROSPERO registration no. CRD42019136506.
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Affiliation(s)
- Nahal Habibi
- School of Agriculture, Food and Wine, Waite Research Institute, University of Adelaide, Adelaide, South Australia, Australia.,Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia
| | - Tina Bianco-Miotto
- School of Agriculture, Food and Wine, Waite Research Institute, University of Adelaide, Adelaide, South Australia, Australia.,Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia
| | - Yan Yin Phoi
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, South Australia, Australia
| | - Tanja Jankovic-Karasoulos
- Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia.,Adelaide Medical School, University of Adelaide, Adelaide, South Australia, Australia.,Flinders Health and Medical Research Institute, Flinders University, Bedford Park, South Australia, Australia
| | - Claire T Roberts
- Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia.,Adelaide Medical School, University of Adelaide, Adelaide, South Australia, Australia.,Flinders Health and Medical Research Institute, Flinders University, Bedford Park, South Australia, Australia
| | - Jessica A Grieger
- Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia.,Adelaide Medical School, University of Adelaide, Adelaide, South Australia, Australia
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33
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Vaiserman A, Krasnienkov D. Telomere Length as a Marker of Biological Age: State-of-the-Art, Open Issues, and Future Perspectives. Front Genet 2021; 11:630186. [PMID: 33552142 PMCID: PMC7859450 DOI: 10.3389/fgene.2020.630186] [Citation(s) in RCA: 172] [Impact Index Per Article: 57.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 12/21/2020] [Indexed: 12/21/2022] Open
Abstract
Telomere shortening is a well-known hallmark of both cellular senescence and organismal aging. An accelerated rate of telomere attrition is also a common feature of age-related diseases. Therefore, telomere length (TL) has been recognized for a long time as one of the best biomarkers of aging. Recent research findings, however, indicate that TL per se can only allow a rough estimate of aging rate and can hardly be regarded as a clinically important risk marker for age-related pathologies and mortality. Evidence is obtained that other indicators such as certain immune parameters, indices of epigenetic age, etc., could be stronger predictors of the health status and the risk of chronic disease. However, despite these issues and limitations, TL remains to be very informative marker in accessing the biological age when used along with other markers such as indices of homeostatic dysregulation, frailty index, epigenetic clock, etc. This review article is aimed at describing the current state of the art in the field and at discussing recent research findings and divergent viewpoints regarding the usefulness of leukocyte TL for estimating the human biological age.
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Affiliation(s)
- Alexander Vaiserman
- Laboratory of Epigenetics, D.F. Chebotarev Institute of Gerontology, Kyiv, Ukraine
| | - Dmytro Krasnienkov
- Laboratory of Epigenetics, D.F. Chebotarev Institute of Gerontology, Kyiv, Ukraine
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34
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Rivero-Segura NA, Bello-Chavolla OY, Barrera-Vázquez OS, Gutierrez-Robledo LM, Gomez-Verjan JC. Promising biomarkers of human aging: In search of a multi-omics panel to understand the aging process from a multidimensional perspective. Ageing Res Rev 2020; 64:101164. [PMID: 32977058 DOI: 10.1016/j.arr.2020.101164] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 08/18/2020] [Accepted: 08/26/2020] [Indexed: 12/14/2022]
Abstract
The aging process has been linked to the occurrence of chronic diseases and functional impairments, including cancer, sarcopenia, frailty, metabolic, cardiovascular, and neurodegenerative diseases. Nonetheless, aging is highly variable and heterogeneous and represents a challenge for its characterization. In this sense, intrinsic capacity (IC) stands as a novel perspective by the World Health Organization, which integrates the individual wellbeing, environment, and risk factors to understand aging. However, there is a lack of quantitative and qualitative attributes to define it objectively. Therefore, in this review we attempt to summarize the most relevant and promising biomarkers described in clinical studies at date over different molecular levels, including epigenomics, transcriptomics, proteomics, metabolomics, and the microbiome. To aid gerontologists, geriatricians, and biomedical researchers to understand the aging process through the IC. Aging biomarkers reflect the physiological state of individuals and the underlying mechanisms related to homeostatic changes throughout an individual lifespan; they demonstrated that aging could be measured independently of time (that may explain its heterogeneity) and to be helpful to predict age-related syndromes and mortality. In summary, we highlight the areas of opportunity and gaps of knowledge that must be addressed to fully integrate biomedical findings into clinically useful tools and interventions.
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Affiliation(s)
| | - O Y Bello-Chavolla
- Dirección de Investigación, Instituto Nacional de Geriatría, Mexico; Department of Physiology, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - O S Barrera-Vázquez
- Departamento de Famacología, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | | | - J C Gomez-Verjan
- Dirección de Investigación, Instituto Nacional de Geriatría, Mexico.
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35
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Colich NL, Rosen ML, Williams ES, McLaughlin KA. Biological aging in childhood and adolescence following experiences of threat and deprivation: A systematic review and meta-analysis. Psychol Bull 2020; 146:721-764. [PMID: 32744840 DOI: 10.1037/bul0000270] [Citation(s) in RCA: 190] [Impact Index Per Article: 47.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Life history theory argues that exposure to early life adversity (ELA) accelerates development, although existing evidence for this varies. We present a meta-analysis and systematic review testing the hypothesis that ELA involving threat (e.g., violence exposure) will be associated with accelerated biological aging across multiple metrics, whereas exposure to deprivation (e.g., neglect, institutional rearing) and low-socioeconomic status (SES) will not. We meta-analyze 54 studies (n = 116,010) examining associations of ELA with pubertal timing and cellular aging (telomere length and DNA methylation age), systematically review 25 studies (n = 3,253) examining ELA and neural markers of accelerated development (cortical thickness and amygdala-prefrontal cortex functional connectivity) and evaluate whether associations of ELA with biological aging vary according to the nature of adversity experienced. ELA overall was associated with accelerated pubertal timing (d = -0.10) and cellular aging (d = -0.21), but these associations varied by adversity type. Moderator analysis revealed that ELA characterized by threat was associated with accelerated pubertal development (d = -0.26) and accelerated cellular aging (d = -0.43), but deprivation and SES were unrelated to accelerated development. Systematic review revealed associations between ELA and accelerated cortical thinning, with threat-related ELA consistently associated with thinning in ventromedial prefrontal cortex, and deprivation and SES associated with thinning in frontoparietal, default, and visual networks. There was no consistent association of ELA with amygdala-PFC connectivity. These findings suggest specificity in the types of early environmental experiences associated with accelerated biological aging and highlight the importance of evaluating how accelerated aging contributes to health disparities and whether this process can be mitigated through early intervention. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
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Vaiciulis P, Liutkeviciene R, Liutkevicius V, Vilkeviciute A, Gedvilaite G, Uloza V. Association of Relative Leucocyte Telomere Length and Gene Single Nucleotide Polymorphisms ( TERT, TRF1, TNKS2) in Laryngeal Squamous Cell Carcinoma. Cancer Genomics Proteomics 2020; 17:431-439. [PMID: 32576588 PMCID: PMC7367600 DOI: 10.21873/cgp.20202] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/09/2020] [Accepted: 05/14/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND/AIM The study aimed to evaluate associations of relative leukocyte telomere length (LTL) and polymorphisms of telomere length-associated genes TERT (rs2736098), TERT-CLPTM1L (rs401681), TRF1 (rs1545827, rs10107605) and TNKS2 (rs10509637, rs10509639) in patients with laryngeal squamous cell carcinoma (LSCC). MATERIALS AND METHODS The study consisted of 300 patients with LSCC and 369 healthy control subjects. Genotyping and relative LTL measuring were carried out using qPCR. RESULTS Relative LTL was statistically significantly shorter in the G3 (tumor differentiation grade) subgroup of patients with LSCC compared to the G1 and G2 subgroups. Significant differences were found in genotype distributions of TERT rs401681 and TNKS2 rs10509639 between the study groups. TERT rs401681 C/T and T/T genotypes were associated with approximately 30% decreased odds of LSCC development. CONCLUSION LTL was shorter in the G3 subgroup compared to the G2 and G1 subgroups of LSCC patients. TERT rs401681 and its C/T and T/T genotypes were associated with decreased odds of overall LSCC development.
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Affiliation(s)
- Paulius Vaiciulis
- Department of Otorhinolaryngology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Rasa Liutkeviciene
- Neuroscience Institute, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Vykintas Liutkevicius
- Department of Otorhinolaryngology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Alvita Vilkeviciute
- Neuroscience Institute, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Greta Gedvilaite
- Neuroscience Institute, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Virgilijus Uloza
- Department of Otorhinolaryngology, Lithuanian University of Health Sciences, Kaunas, Lithuania
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Lee HT, Sanford S, Paul T, Choe J, Bose A, Opresko PL, Myong S. Position-Dependent Effect of Guanine Base Damage and Mutations on Telomeric G-Quadruplex and Telomerase Extension. Biochemistry 2020; 59:2627-2639. [PMID: 32578995 DOI: 10.1021/acs.biochem.0c00434] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Telomeres are hot spots for mutagenic oxidative and methylation base damage due to their high guanine content. We used single-molecule fluorescence resonance energy transfer detection and biochemical assays to determine how different positions and types of guanine damage and mutations alter telomeric G-quadruplex structure and telomerase activity. We compared 15 modifications, including 8-oxoguanine (8oxoG), O-6-methylguanine (O6mG), and all three possible point mutations (G to A, T, and C) at the 3' three terminal guanine positions of a telomeric G-quadruplex, which is the critical access point for telomerase. We found that G-quadruplex structural instability was induced in the order C < T < A ≤ 8oxoG < O6mG, with the perturbation caused by O6mG far exceeding the perturbation caused by other base alterations. For all base modifications, the central G position was the most destabilizing among the three terminal guanines. While the structural disruption by 8oxoG and O6mG led to concomitant increases in telomerase binding and extension activity, the structural perturbation by point mutations (A, T, and C) did not, due to disrupted annealing between the telomeric overhang and the telomerase RNA template. Repositioning the same mutations away from the terminal guanines caused both G-quadruplex structural instability and elevated telomerase activity. Our findings demonstrate how a single-base modification drives structural alterations and telomere lengthening in a position-dependent manner. Furthermore, our results suggest a long-term and inheritable effect of telomeric DNA damage that can lead to telomere lengthening, which potentially contributes to oncogenesis.
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Affiliation(s)
- Hui-Ting Lee
- Thomas C. Jenkins Department of Biophysics, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Samantha Sanford
- Department of Environmental and Occupational Health, University of Pittsburgh Graduate School of Public Health and University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, Pennsylvania 15261, United States
| | - Tapas Paul
- Thomas C. Jenkins Department of Biophysics, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Joshua Choe
- Thomas C. Jenkins Department of Biophysics, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Arindam Bose
- Department of Environmental and Occupational Health, University of Pittsburgh Graduate School of Public Health and University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, Pennsylvania 15261, United States
| | - Patricia L Opresko
- Department of Environmental and Occupational Health, University of Pittsburgh Graduate School of Public Health and University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, Pennsylvania 15261, United States
| | - Sua Myong
- Thomas C. Jenkins Department of Biophysics, Johns Hopkins University, Baltimore, Maryland 21218, United States.,Physics Frontier Center (Center for Physics of Living Cells), University of Illinois, 1110 West Green Street, Urbana, Illinois 61801, United States
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Zannas AS. Epigenetics as a key link between psychosocial stress and aging: concepts, evidence, mechanisms
. DIALOGUES IN CLINICAL NEUROSCIENCE 2020; 21:389-396. [PMID: 31949406 PMCID: PMC6952744 DOI: 10.31887/dcns.2019.21.4/azannas] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Psychosocial stress—especially when chronic, excessive, or occurring early in
life—has been associated with accelerated aging and increased disease risk. With rapid
aging of the world population, the need to elucidate the underlying mechanisms is
pressing, now more so than ever. Among molecular mechanisms linking stress and aging,
the present article reviews evidence on the role of epigenetics, biochemical processes
that can be set into motion by stressors and in turn influence genomic function and
complex phenotypes, including aging-related outcomes. The article further provides a
conceptual mechanistic framework on how stress may drive epigenetic changes at
susceptible genomic sites, thereby exerting systems-level effects on the aging epigenome
while also regulating the expression of molecules implicated in aging-related processes.
This emerging evidence, together with work examining related biological processes,
begins to shed light on the epigenetic and, more broadly, molecular underpinnings of the
long-hypothesized connection between stress and aging.
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Affiliation(s)
- Anthony S Zannas
- Department of Psychiatry, University of North Carolina, Chapel Hill, North Carolina, US; Department of Genetics, University of North Carolina, Chapel Hill, North Carolina, US; Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina, US; Institute for Trauma Recovery, University of North Carolina School of Medicine, Chapel Hill, North Carolina, US; Neuroscience Curriculum, University of North Carolina, Chapel Hill, Chapel Hill, North Carolina, US
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Shanta K, Nakayama K, Ishikawa M, Ishibashi T, Yamashita H, Sato S, Sasamori H, Sawada K, Kurose S, Mahmud HM, Razia S, Iida K, Ishikawa N, Kyo S. Prognostic Value of Peripheral Blood Lymphocyte Telomere Length in Gynecologic Malignant Tumors. Cancers (Basel) 2020; 12:cancers12061469. [PMID: 32512904 PMCID: PMC7352644 DOI: 10.3390/cancers12061469] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/22/2020] [Accepted: 06/02/2020] [Indexed: 01/22/2023] Open
Abstract
Background: Lymphocyte telomere length is strongly correlated with patient prognosis in several malignant tumor types and is thought to be related to tumor immunity. However, this correlation has not been studied in gynecological cancers. We determined the prognostic significance of peripheral blood lymphocyte telomere length in gynecologic cancers. Methods: Telomere length of lymphocytes from patients with gynecological malignant tumors (ovarian cancer (OC), N = 72; cervical cancer (CC), N = 63; endometrial cancer (EC), N = 87) was examined by quantitative reverse-transcription PCR of isolated mononuclear cells. Kaplan–Meier and Cox proportional hazard analyses were used to determine the association between lymphocyte telomere length and clinicopathological factors. Results: The overall survival (OS) and progression-free survival (PFS) of patients were based on the dichotomized lymphocyte telomere length using the median as a threshold (OC: 0.75, CC: 1.94, and EC: 1.09). A short telomere length was significantly correlated with residual tumors (≥1 cm) in OC and with advanced stage (III and IV) of CC. In OC and CC, patients with shorter relative lymphocyte telomere length (RLT) had significantly poorer OS and PFS than patients with longer RLT (p = 0.002, p = 0.003, and p = 0.001, p = 0.001, respectively). However, in EC, RLT was not significantly associated with OS or PFS (p = 0.567 and p = 0.304, log-rank test). Multivariate analysis showed that shorter RLT was a significant independent prognostic factor of PFS and OS for OC (p = 0.03 and p = 0.04, respectively) and CC (p = 0.02 and p = 0.03, respectively). Conclusions: Patients with OC and CC with shorter lymphocyte telomeres have significantly reduced survival; therefore, the peripheral blood lymphocyte telomere length is a prognostic biomarker in OC and CC.
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Affiliation(s)
- Kamrunnahar Shanta
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (K.S.); (M.I.); (T.I.); (H.Y.); (S.S.); (H.S.); (K.S.); (S.K.); (H.M.M.); (S.R.); (K.I.); (S.K.)
| | - Kentaro Nakayama
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (K.S.); (M.I.); (T.I.); (H.Y.); (S.S.); (H.S.); (K.S.); (S.K.); (H.M.M.); (S.R.); (K.I.); (S.K.)
- Correspondence:
| | - Masako Ishikawa
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (K.S.); (M.I.); (T.I.); (H.Y.); (S.S.); (H.S.); (K.S.); (S.K.); (H.M.M.); (S.R.); (K.I.); (S.K.)
| | - Tomoka Ishibashi
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (K.S.); (M.I.); (T.I.); (H.Y.); (S.S.); (H.S.); (K.S.); (S.K.); (H.M.M.); (S.R.); (K.I.); (S.K.)
| | - Hitomi Yamashita
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (K.S.); (M.I.); (T.I.); (H.Y.); (S.S.); (H.S.); (K.S.); (S.K.); (H.M.M.); (S.R.); (K.I.); (S.K.)
| | - Seiya Sato
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (K.S.); (M.I.); (T.I.); (H.Y.); (S.S.); (H.S.); (K.S.); (S.K.); (H.M.M.); (S.R.); (K.I.); (S.K.)
| | - Hiroki Sasamori
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (K.S.); (M.I.); (T.I.); (H.Y.); (S.S.); (H.S.); (K.S.); (S.K.); (H.M.M.); (S.R.); (K.I.); (S.K.)
| | - Kiyoka Sawada
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (K.S.); (M.I.); (T.I.); (H.Y.); (S.S.); (H.S.); (K.S.); (S.K.); (H.M.M.); (S.R.); (K.I.); (S.K.)
| | - Sonomi Kurose
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (K.S.); (M.I.); (T.I.); (H.Y.); (S.S.); (H.S.); (K.S.); (S.K.); (H.M.M.); (S.R.); (K.I.); (S.K.)
| | - Hossain Mohammad Mahmud
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (K.S.); (M.I.); (T.I.); (H.Y.); (S.S.); (H.S.); (K.S.); (S.K.); (H.M.M.); (S.R.); (K.I.); (S.K.)
| | - Sultana Razia
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (K.S.); (M.I.); (T.I.); (H.Y.); (S.S.); (H.S.); (K.S.); (S.K.); (H.M.M.); (S.R.); (K.I.); (S.K.)
| | - Kouji Iida
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (K.S.); (M.I.); (T.I.); (H.Y.); (S.S.); (H.S.); (K.S.); (S.K.); (H.M.M.); (S.R.); (K.I.); (S.K.)
| | - Noriyoshi Ishikawa
- Department of Organ Pathology, Shimane University Faculty of Medicine, Izumo 693-8501, Japan;
| | - Satoru Kyo
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (K.S.); (M.I.); (T.I.); (H.Y.); (S.S.); (H.S.); (K.S.); (S.K.); (H.M.M.); (S.R.); (K.I.); (S.K.)
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Ropio J, Chebly A, Ferrer J, Prochazkova‐Carlotti M, Idrissi Y, Azzi‐Martin L, Cappellen D, Pham‐Ledard A, Soares P, Merlio J, Chevret E. Reliable blood cancer cells' telomere length evaluation by qPCR. Cancer Med 2020; 9:3153-3162. [PMID: 32142223 PMCID: PMC7196062 DOI: 10.1002/cam4.2816] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 11/25/2019] [Accepted: 12/17/2019] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Telomere shortening is linked to a range of different human diseases, hence reliable measurement methods are needed to uncover such associations. Among the plethora of telomere length measurement methods, qPCR is reported as easy to conduct and a cost-effective approach to study samples with low DNA amounts. METHODS Cancer cells' telomere length was evaluated by relative and absolute qPCR methods. RESULTS Robust and reproducible telomere length measurements were optimized taking into account a careful reference gene selection and by knowing the cancer cells ploidy. qPCR data were compared to "gold standard" measurement from terminal restriction fragment (TRF). CONCLUSIONS Our study provides guidance and recommendations for accurate telomere length measurement by qPCR in cancer cells, taking advantage of our expertise in telomere homeostasis investigation in primary cutaneous T-cell lymphomas. Furthermore, our data emphasize the requirement of samples with both, high DNA quality and high tumor cells representation.
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Affiliation(s)
- Joana Ropio
- Bordeaux UniversityINSERM U1053 Bordeaux Research in Translational Oncology (BaRITOn)Cutaneous Lymphoma Oncogenesis TeamBordeauxFrance
- Porto UniversityInstitute of Biomedical Sciences of Abel SalazarPortoPortugal
- Instituto de Investigação e Inovação em SaúdePortoPortugal
- Institute of Molecular Pathology and ImmunologyUniversity of Porto (Ipatimup)Cancer Biology groupPortoPortugal
| | - Alain Chebly
- Bordeaux UniversityINSERM U1053 Bordeaux Research in Translational Oncology (BaRITOn)Cutaneous Lymphoma Oncogenesis TeamBordeauxFrance
- Faculty of MedicineMedical Genetics UnitSaint Joseph UniversityBeirutLebanon
| | - Jacky Ferrer
- Bordeaux UniversityINSERM U1053 Bordeaux Research in Translational Oncology (BaRITOn)Cutaneous Lymphoma Oncogenesis TeamBordeauxFrance
| | - Martina Prochazkova‐Carlotti
- Bordeaux UniversityINSERM U1053 Bordeaux Research in Translational Oncology (BaRITOn)Cutaneous Lymphoma Oncogenesis TeamBordeauxFrance
| | - Yamina Idrissi
- Bordeaux UniversityINSERM U1053 Bordeaux Research in Translational Oncology (BaRITOn)Cutaneous Lymphoma Oncogenesis TeamBordeauxFrance
| | - Lamia Azzi‐Martin
- Bordeaux UniversityUFR des Sciences MédicalesINSERM U1053 Bordeaux Research in Translational Oncology (BaRITOn)BordeauxFrance
| | - David Cappellen
- Bordeaux UniversityINSERM U1053 Bordeaux Research in Translational Oncology (BaRITOn)Cutaneous Lymphoma Oncogenesis TeamBordeauxFrance
- Bordeaux University Hospital CenterTumor Bank and Tumor Biology LaboratoryPessacFrance
| | - Anne Pham‐Ledard
- Bordeaux UniversityINSERM U1053 Bordeaux Research in Translational Oncology (BaRITOn)Cutaneous Lymphoma Oncogenesis TeamBordeauxFrance
- Bordeaux University Hospital CenterDermatology DepartmentBordeauxFrance
| | - Paula Soares
- Instituto de Investigação e Inovação em SaúdePortoPortugal
- Institute of Molecular Pathology and ImmunologyUniversity of Porto (Ipatimup)Cancer Biology groupPortoPortugal
- Department of PathologyFaculty of MedicineUniversity of PortoPortoPortugal
| | - Jean‐Philippe Merlio
- Bordeaux UniversityINSERM U1053 Bordeaux Research in Translational Oncology (BaRITOn)Cutaneous Lymphoma Oncogenesis TeamBordeauxFrance
- Bordeaux University Hospital CenterTumor Bank and Tumor Biology LaboratoryPessacFrance
| | - Edith Chevret
- Bordeaux UniversityINSERM U1053 Bordeaux Research in Translational Oncology (BaRITOn)Cutaneous Lymphoma Oncogenesis TeamBordeauxFrance
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Antwi SO, Bamlet WR, Rabe KG, Cawthon RM, Umudi I, Druliner BR, Sicotte H, Oberg AL, Jatoi A, Boardman LA, Petersen GM. Leukocyte Telomere Length and Its Interaction with Germline Variation in Telomere-Related Genes in Relation to Pancreatic Adenocarcinoma Risk. Cancer Epidemiol Biomarkers Prev 2020; 29:1492-1500. [PMID: 32312758 DOI: 10.1158/1055-9965.epi-19-1597] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 03/18/2020] [Accepted: 04/15/2020] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Leukocyte telomere length (LTL) has been associated with risk of multiple cancers, but its association with pancreatic ductal adenocarcinoma (PDAC) is unclear. We therefore investigated the association between peripheral blood LTL and PDAC risk, and examined effect modification by candidate SNPs previously reported to be associated with variation in LTL. METHODS A case-control study of 1,460 PDAC cases and 1,459 frequency-matched controls was performed using biospecimens and data from the Mayo Clinic Biospecimen Resource for Pancreas Research. Quantitative PCR was used to measure LTL and categorized into tertiles based on sex-specific control distribution. Eleven telomere-related SNPs also were genotyped. Logistic regression was used to calculate ORs and 95% confidence intervals (CI). RESULTS Shorter peripheral blood LTL was associated with a higher risk of PDAC (ORT1vsT3 = 1.26, 95% CI = 1.03-1.54, P trend = 0.02; ORcontinuous = 1.14, 95% CI = 1.02-1.28), but the association was restricted to cases with treatment-naïve blood samples (ORT1vsT3 = 1.51, 95% CI = 1.16-1.96, P trend = 0.002; ORcontinuous = 1.25, 95% CI = 1.08-1.45) and not cases whose blood samples were collected after initiation of cancer therapy (ORT1vsT3 = 1.10, 95% CI = 0.87-1.39, P trend = 0.42; ORcontinuous = 1.08, 95% CI = 0.94-1.23). Three SNPs (TERC-rs10936599, ACYP2-rs11125529, and TERC-rs1317082) were each associated with interindividual variation in LTL among controls, but there was no evidence of effect modification by these SNPs. CONCLUSIONS Treatment-naïve short LTL is associated with a higher risk of PDAC, and the association does not differ by germline variation in the candidate telomere-related SNPs examined. IMPACT Peripheral blood LTL might serve as a molecular marker for risk modeling to identify persons at high risk of PDAC.
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Affiliation(s)
- Samuel O Antwi
- Division of Epidemiology, Mayo Clinic, Jacksonville, Florida.
| | - William R Bamlet
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota
| | - Kari G Rabe
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota
| | - Richard M Cawthon
- Department of Human Genetics, University of Utah, Salt Lake City, Utah
| | - Isoken Umudi
- Division of Epidemiology, Mayo Clinic, Jacksonville, Florida
| | - Brooke R Druliner
- Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Hugues Sicotte
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota
| | - Ann L Oberg
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota
| | - Aminah Jatoi
- Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Lisa A Boardman
- Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
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Li C, Stoma S, Lotta LA, Warner S, Albrecht E, Allione A, Arp PP, Broer L, Buxton JL, Da Silva Couto Alves A, Deelen J, Fedko IO, Gordon SD, Jiang T, Karlsson R, Kerrison N, Loe TK, Mangino M, Milaneschi Y, Miraglio B, Pervjakova N, Russo A, Surakka I, van der Spek A, Verhoeven JE, Amin N, Beekman M, Blakemore AI, Canzian F, Hamby SE, Hottenga JJ, Jones PD, Jousilahti P, Mägi R, Medland SE, Montgomery GW, Nyholt DR, Perola M, Pietiläinen KH, Salomaa V, Sillanpää E, Suchiman HE, van Heemst D, Willemsen G, Agudo A, Boeing H, Boomsma DI, Chirlaque MD, Fagherazzi G, Ferrari P, Franks P, Gieger C, Eriksson JG, Gunter M, Hägg S, Hovatta I, Imaz L, Kaprio J, Kaaks R, Key T, Krogh V, Martin NG, Melander O, Metspalu A, Moreno C, Onland-Moret NC, Nilsson P, Ong KK, Overvad K, Palli D, Panico S, Pedersen NL, Penninx BWJH, Quirós JR, Jarvelin MR, Rodríguez-Barranco M, Scott RA, Severi G, Slagboom PE, Spector TD, Tjonneland A, Trichopoulou A, Tumino R, Uitterlinden AG, van der Schouw YT, van Duijn CM, Weiderpass E, Denchi EL, Matullo G, Butterworth AS, Danesh J, Samani NJ, Wareham NJ, Nelson CP, Langenberg C, Codd V. Genome-wide Association Analysis in Humans Links Nucleotide Metabolism to Leukocyte Telomere Length. Am J Hum Genet 2020; 106:389-404. [PMID: 32109421 PMCID: PMC7058826 DOI: 10.1016/j.ajhg.2020.02.006] [Citation(s) in RCA: 103] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 02/10/2020] [Indexed: 01/02/2023] Open
Abstract
Leukocyte telomere length (LTL) is a heritable biomarker of genomic aging. In this study, we perform a genome-wide meta-analysis of LTL by pooling densely genotyped and imputed association results across large-scale European-descent studies including up to 78,592 individuals. We identify 49 genomic regions at a false dicovery rate (FDR) < 0.05 threshold and prioritize genes at 31, with five highlighting nucleotide metabolism as an important regulator of LTL. We report six genome-wide significant loci in or near SENP7, MOB1B, CARMIL1, PRRC2A, TERF2, and RFWD3, and our results support recently identified PARP1, POT1, ATM, and MPHOSPH6 loci. Phenome-wide analyses in >350,000 UK Biobank participants suggest that genetically shorter telomere length increases the risk of hypothyroidism and decreases the risk of thyroid cancer, lymphoma, and a range of proliferative conditions. Our results replicate previously reported associations with increased risk of coronary artery disease and lower risk for multiple cancer types. Our findings substantially expand current knowledge on genes that regulate LTL and their impact on human health and disease.
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Affiliation(s)
- Chen Li
- MRC Epidemiology Unit, University of Cambridge, CB2 0SL, United Kingdom; NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, LE3 9QP, United Kingdom
| | - Svetlana Stoma
- Department of Cardiovascular Sciences, University of Leicester, LE3 9QP, United Kingdom; NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, LE3 9QP, United Kingdom
| | - Luca A Lotta
- MRC Epidemiology Unit, University of Cambridge, CB2 0SL, United Kingdom
| | - Sophie Warner
- Department of Cardiovascular Sciences, University of Leicester, LE3 9QP, United Kingdom
| | - Eva Albrecht
- Institute of Epidemiology, Helmholtz Zentrum München-German Research Centre for Environmental Health, D-85764 Neuherberg, Germany
| | - Alessandra Allione
- Department of Medical Science, Genomic Variation and Translational Research Unit, University of Turin, 10126 Turin, Italy; Italian Institute for Genomic Medicine (IIGM), 10126 Turin, Italy
| | - Pascal P Arp
- Department of Internal Medicine, Erasmus Medical Centre, Postbus 2040, 3000 CA, Rotterdam, the Netherlands
| | - Linda Broer
- Department of Internal Medicine, Erasmus Medical Centre, Postbus 2040, 3000 CA, Rotterdam, the Netherlands
| | - Jessica L Buxton
- School of Life Sciences, Pharmacy, and Chemistry, Kingston University, Kingston upon Thames, KT1 2EE, United Kingdom; Genetics and Genomic Medicine Programme, UCL Great Ormond Street Institute of Child Health, London, WC1N 1EH, United Kingdom
| | - Alexessander Da Silva Couto Alves
- School of Public Health, Imperial College London, St Mary's Hospital, London W2 1PG, United Kingdom; School of Biosciences and Medicine, University of Surrey, Guildford, GU2 7XH, United Kingdom
| | - Joris Deelen
- Max Planck Institute for Biology of Ageing, D-50931, Cologne, Germany; Department of Biomedical Data Sciences, Section of Molecular Epidemiology, Leiden University Medical Centre, PO Box 9600, 2300 RC, Leiden, the Netherlands
| | - Iryna O Fedko
- Department of Biological Psychology, Vrije Universteit, 1081 BT Amsterdam, the Netherlands
| | - Scott D Gordon
- Genetic Epidemiology, QIMR Berghofer Medical Research Institute, Queensland, 4006 Australia
| | - Tao Jiang
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, CB1 8RN, United Kingdom
| | - Robert Karlsson
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm 17177, Sweden
| | - Nicola Kerrison
- MRC Epidemiology Unit, University of Cambridge, CB2 0SL, United Kingdom
| | - Taylor K Loe
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Massimo Mangino
- Department of Twin Research and Genetic Epidemiology, Kings College London, London SE1 7EH, United Kingdom; NIHR Biomedical Research Centre at Guy's and St Thomas' Foundation Trust, London SE1 9RT, United Kingdom
| | - Yuri Milaneschi
- Department of Psychiatry, Amsterdam Public Health and Amsterdam Neuroscience, Amsterdam UMC/Vrije Universiteit, 1081HJ, Amsterdam, the Netherlands
| | - Benjamin Miraglio
- Institute for Molecular Medicine Finland (FIMM), PO Box 20, 00014 University of Helsinki, Finland
| | - Natalia Pervjakova
- Estonian Genome Centre, Institute of Genomics, University of Tartu, 51010, Tartu, Estonia
| | - Alessia Russo
- Department of Medical Science, Genomic Variation and Translational Research Unit, University of Turin, 10126 Turin, Italy; Italian Institute for Genomic Medicine (IIGM), 10126 Turin, Italy
| | - Ida Surakka
- Institute for Molecular Medicine Finland (FIMM), PO Box 20, 00014 University of Helsinki, Finland; Division of Cardiovascular Medicine, Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, USA
| | - Ashley van der Spek
- Department of Epidemiology, Erasmus Medical Centre, Postbus 2040, 3000 CA, Rotterdam, the Netherlands
| | - Josine E Verhoeven
- Department of Psychiatry, Amsterdam Public Health and Amsterdam Neuroscience, Amsterdam UMC/Vrije Universiteit, 1081HJ, Amsterdam, the Netherlands
| | - Najaf Amin
- Department of Epidemiology, Erasmus Medical Centre, Postbus 2040, 3000 CA, Rotterdam, the Netherlands
| | - Marian Beekman
- Department of Biomedical Data Sciences, Section of Molecular Epidemiology, Leiden University Medical Centre, PO Box 9600, 2300 RC, Leiden, the Netherlands
| | - Alexandra I Blakemore
- Department of Life Sciences, Brunel University London, Uxbridge UB8 3PH, United Kingdom; Department of Medicine, Imperial College London, London, W12 0HS, United Kingdom
| | - Federico Canzian
- Genomic Epidemiology Group, German Cancer Research Centre (DKFZ), 69120 Heidelberg, Germany
| | - Stephen E Hamby
- Department of Cardiovascular Sciences, University of Leicester, LE3 9QP, United Kingdom; NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, LE3 9QP, United Kingdom
| | - Jouke-Jan Hottenga
- Department of Biological Psychology, Vrije Universteit, 1081 BT Amsterdam, the Netherlands
| | - Peter D Jones
- Department of Cardiovascular Sciences, University of Leicester, LE3 9QP, United Kingdom
| | - Pekka Jousilahti
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, PO Box 30, FI-00271 Helsinki, Finland
| | - Reedik Mägi
- Estonian Genome Centre, Institute of Genomics, University of Tartu, 51010, Tartu, Estonia
| | - Sarah E Medland
- Genetic Epidemiology, QIMR Berghofer Medical Research Institute, Queensland, 4006 Australia
| | - Grant W Montgomery
- Institute for Molecular Bioscience, The University of Queensland, 4072, Queensland, Australia
| | - Dale R Nyholt
- Genetic Epidemiology, QIMR Berghofer Medical Research Institute, Queensland, 4006 Australia; School of Biomedical Sciences and Institute of Health and Biomedical Innovation, Queensland University of Technology, Queensland, 4059, Australia
| | - Markus Perola
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, PO Box 30, FI-00271 Helsinki, Finland; Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, Biomedicum 1, PO Box 63, 00014 University of Helsinki, Finland
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Haartmaninkatu 8, 00014 University of Helsinki, Helsinki, Finland; Obesity Center, Abdominal Center, Endocrinology, Helsinki University Hospital and University of Helsinki, Haartmaninkatu 4, 00029 HUS, Helsinki, Finland
| | - Veikko Salomaa
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, PO Box 30, FI-00271 Helsinki, Finland
| | - Elina Sillanpää
- Institute for Molecular Medicine Finland (FIMM), PO Box 20, 00014 University of Helsinki, Finland; Gerontology Research Center, Faculty of Sport and Health Sciences, PO Box 35, 40014 University of Jyväskylä, Finland
| | - H Eka Suchiman
- Department of Biomedical Data Sciences, Section of Molecular Epidemiology, Leiden University Medical Centre, PO Box 9600, 2300 RC, Leiden, the Netherlands
| | - Diana van Heemst
- Department of Internal Medicine, Section of Gerontology and Geriatrics, Leiden University Medical Centre, PO Box 9600, 2300 RC, Leiden, the Netherlands
| | - Gonneke Willemsen
- Department of Biological Psychology, Vrije Universteit, 1081 BT Amsterdam, the Netherlands
| | - Antonio Agudo
- Unit of Nutrition, Environment, and Cancer, Cancer Epidemiology Research Program, Catalan Institute of Oncology-ICO, Group of Research on Nutrition and Cancer, Bellvitge Biomedical Research Institute-IDIBELL, L'Hospitalet of Llobregat, 08908 Barcelona, Spain
| | - Heiner Boeing
- German Institute of Human Nutrition Potsdam-Rehbruecke, 14558 Nuthetal, Germany
| | - Dorret I Boomsma
- Department of Biological Psychology, Vrije Universteit, 1081 BT Amsterdam, the Netherlands
| | - Maria-Dolores Chirlaque
- Department of Epidemiology, Murcia Regional Health Council, IMIB-Arrixaca, 30008, Murcia, Spain; CIBER of Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
| | - Guy Fagherazzi
- Center of Research in Epidemiology and Population Health, UMR 1018 Inserm, Institut Gustave Roussy, Paris-Sud Paris-Saclay University, 94805 Villejuif, France; Digital Epidemiology Research Hub, Department of Population Health, Luxembourg Institute of Health, L-1445 Strassen, Luxembourg
| | - Pietro Ferrari
- International Agency for Research on Cancer, 69372 Lyon, France
| | - Paul Franks
- Department of Clinical Sciences, Clinical Research Center, Skåne University Hospital, Lund University, 20502 Malmö, Sweden; Department of Public Health and Clinical Medicine, Umeå University, 90187 Umeå, Sweden
| | - Christian Gieger
- Institute of Epidemiology, Helmholtz Zentrum München-German Research Centre for Environmental Health, D-85764 Neuherberg, Germany; Research Unit of Molecular Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health, D 85764 Neuherberg, Germany; German Center for Diabetes Research (DZD e.V.), D-85764 Neuherberg, Germany
| | - Johan Gunnar Eriksson
- Department of General Practice and Primary Health Care, University of Helsinki and Helsinki University Hospital, PO Box 20, 00014 University of Helsinki, Finland; Folkhälsan Research Centre, PO Box 20, 00014 University of Helsinki, Finland; Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597
| | - Marc Gunter
- International Agency for Research on Cancer, 69372 Lyon, France
| | - Sara Hägg
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm 17177, Sweden
| | - Iiris Hovatta
- SleepWell Research Program, Haartmaninkatu 3, 00014 University of Helsinki, Finland; Department of Psychology and Logopedics, Haartmaninkatu 3, 00014 University of Helsinki, Finland
| | - Liher Imaz
- Ministry of Health of the Basque Government, Public Health Division of Gipuzkoa, 20013 Donostia-San Sebastian, Spain; Biodonostia Health Research Institute, 20014 Donostia-San Sebastian, Spain
| | - Jaakko Kaprio
- Institute for Molecular Medicine Finland (FIMM), PO Box 20, 00014 University of Helsinki, Finland; Department of Public Health, PO Box 20, 00014 University of Helsinki, Finland
| | - Rudolf Kaaks
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Timothy Key
- Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, OX3 7LF, United Kingdom
| | - Vittorio Krogh
- Epidemiology and Prevention Unit, Fondazione IRCCS-Istituto Nazionale dei Tumori, 20133 Milan, Italy
| | - Nicholas G Martin
- Genetic Epidemiology, QIMR Berghofer Medical Research Institute, Queensland, 4006 Australia
| | - Olle Melander
- Department of Clinical Sciences, Hypertension, and Cardiovascular Disease, Lund University, 21428 Malmö, Sweden
| | - Andres Metspalu
- Estonian Genome Centre, Institute of Genomics, University of Tartu, 51010, Tartu, Estonia
| | | | - N Charlotte Onland-Moret
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, 3584 CG Utrecht, the Netherlands
| | - Peter Nilsson
- Department of Clinical Sciences, Clinical Research Center, Skåne University Hospital, Lund University, 20502 Malmö, Sweden
| | - Ken K Ong
- MRC Epidemiology Unit, University of Cambridge, CB2 0SL, United Kingdom; Department of Paediatrics, University of Cambridge, CB2 0QQ, United Kingdom
| | - Kim Overvad
- Department of Public Health, Aarhus University, DK-8000 Aarhus, Denmark; Department of Cardiology, Aalborg University Hospital, DK-9000 Aalborg, Denmark
| | - Domenico Palli
- Cancer Risk Factors and Life-Style Epidemiology Unit, Institute for Cancer Research-ISPRO, 50139 Florence, Italy
| | - Salvatore Panico
- Dipartimento di Medicina Clinica e Chirurgia, Federico II University, 80131 Naples, Italy
| | - Nancy L Pedersen
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm 17177, Sweden
| | - Brenda W J H Penninx
- Department of Psychiatry, Amsterdam Public Health and Amsterdam Neuroscience, Amsterdam UMC/Vrije Universiteit, 1081HJ, Amsterdam, the Netherlands
| | - J Ramón Quirós
- Consejería de Sanidad, Public Health Directorate, 33006 Asturias, Spain
| | - Marjo Riitta Jarvelin
- School of Public Health, Imperial College London, St Mary's Hospital, London W2 1PG, United Kingdom; School of Epidemiology and Biostatistics, Imperial College London, SW7 2AZ, United Kingdom
| | - Miguel Rodríguez-Barranco
- Center of Research in Epidemiology and Population Health, UMR 1018 Inserm, Institut Gustave Roussy, Paris-Sud Paris-Saclay University, 94805 Villejuif, France; Andalusian School of Public Health (EASP), 18080 Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain
| | - Robert A Scott
- MRC Epidemiology Unit, University of Cambridge, CB2 0SL, United Kingdom
| | - Gianluca Severi
- CESP, Facultés de médecine, Université Paris, 94805 Villejuif, France; Gustave Roussy, 94805 Villejuif, France; Department of Statistics, Computer Science, Applications "G. Parenti," University of Florence, 50134 Firenze, Italy
| | - P Eline Slagboom
- Max Planck Institute for Biology of Ageing, D-50931, Cologne, Germany; Department of Biomedical Data Sciences, Section of Molecular Epidemiology, Leiden University Medical Centre, PO Box 9600, 2300 RC, Leiden, the Netherlands
| | - Tim D Spector
- Department of Twin Research and Genetic Epidemiology, Kings College London, London SE1 7EH, United Kingdom
| | - Anne Tjonneland
- Danish Cancer Society Research Center, 2100 Copenhagen, Denmark
| | | | - Rosario Tumino
- Cancer Registry and Histopathology Department, Provincial Health Authority (ASP), 97100 Ragusa, Italy; Hyblean Association for Research on Epidemiology, No Profit Organization, 97100 Ragusa, Italy
| | - André G Uitterlinden
- Department of Internal Medicine, Erasmus Medical Centre, Postbus 2040, 3000 CA, Rotterdam, the Netherlands
| | - Yvonne T van der Schouw
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, 3584 CG Utrecht, the Netherlands
| | - Cornelia M van Duijn
- Department of Epidemiology, Erasmus Medical Centre, Postbus 2040, 3000 CA, Rotterdam, the Netherlands; Nuffield Department of Population Health, University of Oxford, OX3 7LF, United Kingdom
| | | | - Eros Lazzerini Denchi
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA; Laboratory of Chromosome Instability, National Cancer Institute, NIH, Bethesda, MD 20892 USA
| | - Giuseppe Matullo
- Department of Medical Science, Genomic Variation and Translational Research Unit, University of Turin, 10126 Turin, Italy; Italian Institute for Genomic Medicine (IIGM), 10126 Turin, Italy
| | - Adam S Butterworth
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, CB1 8RN, United Kingdom; Health Data Research UK Cambridge, Wellcome Genome Campus and University of Cambridge, CB10 1SA, United Kingdom; NIHR Blood and Transplant Research Unit in Donor Health and Genomics, Department of Public Health and Primary Care, University of Cambridge, CB1 8RN, United Kingdom; BHF Cambridge Centre of Excellence, School of Clinical Medicine, Addenbrookes' Hospital, Cambridge, CB2 0QQ, United Kingdom; NIHR Cambridge Biomedical Research Centre, School of Clinical Medicine, Addenbrooke's Hospital, Cambridge CB2 0QQ, United Kingdom
| | - John Danesh
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, CB1 8RN, United Kingdom; Health Data Research UK Cambridge, Wellcome Genome Campus and University of Cambridge, CB10 1SA, United Kingdom; NIHR Blood and Transplant Research Unit in Donor Health and Genomics, Department of Public Health and Primary Care, University of Cambridge, CB1 8RN, United Kingdom; Department of Human Genetics, Wellcome Sanger Institute, Hinxton, CB10 1SA, United Kingdom; BHF Cambridge Centre of Excellence, School of Clinical Medicine, Addenbrookes' Hospital, Cambridge, CB2 0QQ, United Kingdom; NIHR Cambridge Biomedical Research Centre, School of Clinical Medicine, Addenbrooke's Hospital, Cambridge CB2 0QQ, United Kingdom
| | - Nilesh J Samani
- Department of Cardiovascular Sciences, University of Leicester, LE3 9QP, United Kingdom; NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, LE3 9QP, United Kingdom
| | | | - Christopher P Nelson
- Department of Cardiovascular Sciences, University of Leicester, LE3 9QP, United Kingdom; NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, LE3 9QP, United Kingdom
| | - Claudia Langenberg
- MRC Epidemiology Unit, University of Cambridge, CB2 0SL, United Kingdom.
| | - Veryan Codd
- Department of Cardiovascular Sciences, University of Leicester, LE3 9QP, United Kingdom; NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, LE3 9QP, United Kingdom.
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Aerobic capacity and telomere length in human skeletal muscle and leukocytes across the lifespan. Aging (Albany NY) 2020; 12:359-369. [PMID: 31901896 PMCID: PMC6977669 DOI: 10.18632/aging.102627] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 12/18/2019] [Indexed: 02/06/2023]
Abstract
A reduction in aerobic capacity and the shortening of telomeres are hallmarks of the ageing process. We examined whether a lower aerobic capacity is associated with shorter TL in skeletal muscle and/or leukocytes, across a wide age range of individuals. We also tested whether TL in human skeletal muscle (MTL) correlates with TL in leukocytes (LTL). Eighty-two recreationally active, healthy men from the Gene SMART cohort (31.4±8.2 years; body mass index (BMI)=25.3±3.3kg/m2), and 11 community dwelling older men (74.2±7.5years-old; BMI=28.7±2.8kg/m2) participated in the study. Leukocytes and skeletal muscle samples were collected at rest. Relative telomere length (T/S ratio) was measured by RT-PCR. Associations between TL, aerobic capacity (VO2 peak and peak power) and age were assessed with robust linear models. Older age was associated with shorter LTL (45% variance explained, P<0.001), but not MTL (P= 0.7). Aerobic capacity was not associated with MTL (P=0.5), nor LTL (P=0.3). MTL and LTL were correlated across the lifespan (rs=0.26, P=0.03). In healthy individuals, age explain most of the variability of LTL and this appears to be independent of individual aerobic capacity. Individuals with longer LTL also have a longer MTL, suggesting that there might be a shared molecular mechanism regulating telomere length.
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Ullah M, Ng NN, Concepcion W, Thakor AS. Emerging role of stem cell-derived extracellular microRNAs in age-associated human diseases and in different therapies of longevity. Ageing Res Rev 2020; 57:100979. [PMID: 31704472 DOI: 10.1016/j.arr.2019.100979] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 10/17/2019] [Accepted: 10/28/2019] [Indexed: 12/15/2022]
Abstract
Organismal aging involves the progressive decline in organ function and increased susceptibility to age-associated diseases. This has been associated with the aging of stem cell populations within the body that decreases the capacity of stem cells to self-renew, differentiate, and regenerate damaged tissues and organs. This review aims to explore how aging is associated with the dysregulation of stem cell-derived extracellular vesicles (SCEVs) and their corresponding miRNA cargo (SCEV-miRNAs), which are short non-coding RNAs involved in post-transcriptional regulation of target genes. Recent evidence has suggested that in aging stem cells, SCEV-miRNAs may play a vital role regulating various processes that contribute to aging: cellular senescence, stem cell exhaustion, telomere length, and circadian rhythm. Hence, further clarifying the age-dependent molecular mechanisms through which SCEV-miRNAs exert their downstream effects may inform a greater understanding of the biology of aging, elucidate their role in stem cell function, and identify important targets for future regenerative therapies. Additionally, current studies evaluating therapeutic role of SCEVs and SCEV-miRNAs in treating several age-associated diseases are also discussed.
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Mizuno Y, Konishi S, Imai H, Fujimori E, Kojima N, Yoshinaga J. Cadmium Exposure and Blood Telomere Length in Female University Students in Japan. Biol Trace Elem Res 2019; 192:98-105. [PMID: 30721396 DOI: 10.1007/s12011-019-1656-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 01/29/2019] [Indexed: 01/07/2023]
Abstract
Cadmium is a toxic metal found ubiquitously throughout the world. Our study evaluated whether cadmium exposure was associated with telomere length in 73 female university students. Determination of telomere length was performed by quantitative polymerase chain reaction using DNA in blood. Urinary cadmium concentration was measured by inductively coupled plasma mass spectrometry. The students' physiological attributes and lifestyle were surveyed by means of a self-administered questionnaire. The geometric mean of urinary cadmium concentration was 0.312 μg/g creatinine, which was lower than the levels previously reported for Japan. Urinary cadmium concentration was not significantly associated with telomere length, though the exposure level of the present subjects was similar to that of previous study subjects which found significantly negative associations. It is possible that other factors affected telomere length in this study population.
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Affiliation(s)
- Yuki Mizuno
- Department of Human Ecology, School of International Health, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - Shoko Konishi
- Department of Human Ecology, School of International Health, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
- Department of Anthropology, University of Washington, Seattle, USA
| | - Hideki Imai
- Department of Nursing, Tokyo Healthcare University, Tokyo, Japan
| | - Eiji Fujimori
- National Environmental Research and Training Institute, Tokorozawa City, Saitama, Japan
| | - Nobuhiko Kojima
- Faculty of Life Sciences, Toyo University, 1-1-1 Izumino, Itakura, Ora, Gunma, 374-0193, Japan
| | - Jun Yoshinaga
- Faculty of Life Sciences, Toyo University, 1-1-1 Izumino, Itakura, Ora, Gunma, 374-0193, Japan.
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Ackermann S, Fischer M. Telomere Maintenance in Pediatric Cancer. Int J Mol Sci 2019; 20:E5836. [PMID: 31757062 PMCID: PMC6928840 DOI: 10.3390/ijms20235836] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 11/15/2019] [Accepted: 11/18/2019] [Indexed: 02/06/2023] Open
Abstract
Telomere length has been proposed as a biomarker of biological age and a risk factor for age-related diseases and cancer. Substantial progress has been made in recent decades in understanding the complex molecular relationships in this research field. However, the majority of telomere studies have been conducted in adults. The data on telomere dynamics in pediatric cancers is limited, and interpretation can be challenging, especially in cases where results are contrasting to those in adult entities. This review describes recent advances in the molecular characterization of structure and function of telomeres, regulation of telomerase activity in cancer pathogenesis in general, and highlights the key advances that have expanded our views on telomere biology in pediatric cancer, with special emphasis on the central role of telomere maintenance in neuroblastoma. Furthermore, open questions in the field of telomere maintenance research are discussed in the context of recently published literature.
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Affiliation(s)
- Sandra Ackermann
- Department of Experimental Pediatric Oncology, University Children’s Hospital of Cologne, Faculty of Medicine and University Hospital of Cologne, Kerpener Straße 62, 50937 Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Robert-Koch-Straße 21, 50931 Cologne, Germany
| | - Matthias Fischer
- Department of Experimental Pediatric Oncology, University Children’s Hospital of Cologne, Faculty of Medicine and University Hospital of Cologne, Kerpener Straße 62, 50937 Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Robert-Koch-Straße 21, 50931 Cologne, Germany
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Wang W, Wang P, Wang S, Duan X, Wang T, Feng X, Li L, Zhang Y, Li G, Zhao J, Li L, Wang Y, Yan Z, Feng F, Zhou X, Yao W, Zhang Y, Yang Y. Benchmark dose assessment for coke oven emissions-induced telomere length effects in occupationally exposed workers in China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 182:109453. [PMID: 31349105 DOI: 10.1016/j.ecoenv.2019.109453] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 07/12/2019] [Accepted: 07/17/2019] [Indexed: 06/10/2023]
Abstract
Telomeres are DNA-protein structures that protect chromosome ends from degradation and fusion, which are shortened by oxidative stress, for example air pollution including benzene, toluene, Coke Oven Emissions (COEs), and so on. As a biomarker of health and disease, telomere length is associated with cardiovascular, diabetes and cancers. The aim of this study was to estimate the effects of COEs exposure on telomere length and the benchmark dose (BMD) of COEs. A total of 542 coke oven workers and 235 healthy controls without exposure to toxicants were recruited. Quantitative PCR was used to determine the telomere length in human peripheral blood leukocytes DNA. Propensity scoring was used to match coke oven workers to healthy controls. Linear regression models and trend tests were used to the relationship between COEs exposure and telomere length. Telomere length in COEs exposed group 0.764 (0.536, 1.092) was significantly shorter than that in the control group 1.064(0.762, 1.438), (P < 0.001). There were significantly dose-response relationships between COEs exposure and telomere damage with telomere length as a biomarker. A BMDL value lower than the present occupational exposure limits (OELs) of COEs exposure was evaluated using the BMD approach in coke oven workers. Our results suggested that shorter telomere length is related to occupational exposure to COEs and the level of COEs exposure lower than the current national OELs in China and many other countries could induce telomere damage.
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Affiliation(s)
- Wei Wang
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Pengpeng Wang
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Sihua Wang
- Department of Occupational Health, Henan Institute for Occupational Medicine, Zhengzhou, China
| | - Xiaoran Duan
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Tuanwei Wang
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Xiaolei Feng
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Lei Li
- Department of Occupational Health, Zhengzhou Institute for Occupational Medicine, Zhengzhou, China
| | - Yuhong Zhang
- Department of Occupational Health, Zhengzhou Institute for Occupational Medicine, Zhengzhou, China
| | - Guoyu Li
- Clinical Department, Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Junfeng Zhao
- Department of Occupational Health, Zhengzhou Institute for Occupational Medicine, Zhengzhou, China
| | - Leike Li
- Department of Occupational Health, Zhengzhou Institute for Occupational Medicine, Zhengzhou, China
| | - Yanbin Wang
- Department of Safety Management Office, Anyang Iron and Steel Company Limit by Share, Anyang, China
| | - Zhen Yan
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Feifei Feng
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Xiaoshan Zhou
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Wu Yao
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Yawei Zhang
- Department of Surgery, Yale University School of Medicine, New Haven, USA; Department of Environmental Health Sciences, Yale University School of Public Health, New Haven, USA
| | - Yongli Yang
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, China.
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Krupenko SA, Horita DA. The Role of Single-Nucleotide Polymorphisms in the Function of Candidate Tumor Suppressor ALDH1L1. Front Genet 2019; 10:1013. [PMID: 31737034 PMCID: PMC6831610 DOI: 10.3389/fgene.2019.01013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 09/23/2019] [Indexed: 12/14/2022] Open
Abstract
Folate (vitamin B9) is a common name for a group of coenzymes that function as carriers of chemical moieties called one-carbon groups in numerous biochemical reactions. The combination of these folate-dependent reactions constitutes one-carbon metabolism, the name synonymous to folate metabolism. Folate coenzymes and associated metabolic pathways are vital for cellular homeostasis due to their key roles in nucleic acid biosynthesis, DNA repair, methylation processes, amino acid biogenesis, and energy balance. Folate is an essential nutrient because humans are unable to synthesize this coenzyme and must obtain it from the diet. Insufficient folate intake can ultimately increase risk of certain diseases, most notably neural tube defects. More than 20 enzymes are known to participate in folate metabolism. Single-nucleotide polymorphisms (SNPs) in genes encoding for folate enzymes are associated with altered metabolism, changes in DNA methylation and modified risk for the development of human pathologies including cardiovascular diseases, birth defects, and cancer. ALDH1L1, one of the folate-metabolizing enzymes, serves a regulatory function in folate metabolism restricting the flux of one-carbon groups through biosynthetic processes. Numerous studies have established that ALDH1L1 is often silenced or strongly down-regulated in cancers. The loss of ALDH1L1 protein positively correlates with the occurrence of malignant tumors and tumor aggressiveness, hence the enzyme is viewed as a candidate tumor suppressor. ALDH1L1 has much higher frequency of non-synonymous exonic SNPs than most other genes for folate enzymes. Common SNPs at the polymorphic loci rs3796191, rs2886059, rs9282691, rs2276724, rs1127717, and rs4646750 in ALDH1L1 exons characterize more than 97% of Europeans while additional common variants are found in other ethnic populations. The effects of these SNPs on the enzyme is not clear but studies indicate that some coding and non-coding ALDH1L1 SNPs are associated with altered risk of certain cancer types and it is also likely that specific haplotypes define the metabolic response to dietary folate. This review discusses the role of ALDH1L1 in folate metabolism and etiology of diseases with the focus on non-synonymous coding ALDH1L1 SNPs and their effects on the enzyme structure/function, metabolic role and association with cancer.
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Affiliation(s)
- Sergey A. Krupenko
- Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - David A. Horita
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
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Wahlberg K, Liljedahl ER, Alhamdow A, Lindh C, Lidén C, Albin M, Tinnerberg H, Broberg K. Filaggrin variations are associated with PAH metabolites in urine and DNA alterations in blood. ENVIRONMENTAL RESEARCH 2019; 177:108600. [PMID: 31369996 DOI: 10.1016/j.envres.2019.108600] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 06/22/2019] [Accepted: 07/20/2019] [Indexed: 06/10/2023]
Abstract
Dermal chemical exposure is common in many professions. The filaggrin protein is important for the skin barrier and variations in the filaggrin gene (FLG) may influence the uptake of chemicals via the skin, and consequently, the degree of systemic effects. The aim of this study was to investigate, in chimney sweeps with occupational exposure to polycyclic aromatic hydrocarbons (PAH) from soot, the influence of variation in FLG on internal PAH dose and DNA alterations, including epigenetic, previously linked to cancer and cardiovascular disease. We used TaqMan PCR to genotype 151 chimney sweeps and 152 controls for four FLG null variants (R501X, R2447X, S3247X and 2282del4) which cause impaired skin barrier, and FLG copy number variation (12th repeat, CNV12) which potentially is beneficial for the skin barrier. The internal dose of PAH was represented by urinary PAH metabolites (e.g. 1-hydroxypyrene and 3-hydroxybenzo[a]pyrene) that we measured by LC-MS/MS. We measured epigenetic alterations (methylation of AHRR and F2RL3) in blood by pyrosequencing; and DNA alterations (telomere length and mitochondrial DNA copy number) by real-time PCR. Hypomethylation of AHRR or F2RL3 is a risk factor for lung cancer and shorter telomere length a risk factor for cardiovascular disease. The frequencies of FLG null were 8.6 and 11.8% (p = 0.35), and CNV12 27.8 and 19.7% (p = 0.09) in chimney sweeps and controls, respectively. We found that among chimney sweeps working predominately with soot sweeping (high PAH exposure), CNV12 carriers had lower concentrations of PAH metabolites in urine compared with non-carriers (median 1-hydroxypyrene = 0.37 vs 0.86 μg/g creatinine respectively; p = 0.025 by linear regression models adjusted for age, BMI and smoking) compared to sweeps not carrying CNV12. Further, FLG null was associated with approximately 2.5% higher methylation of F2RL3 (cg03636183, p = 0.019 after adjustment for exposure group, age, BMI and smoking). FLG null was associated with approximately 7% shorter telomere length (p = 0.015, adjusted model). Our results suggest that FLG variations may influence the dose of PAH in highly exposed workers, possibly via dermal uptake. It also suggests that FLG variation may influence the degree of (epi)genotoxicity in the body. FLG variation is common in the working population and should be considered in risk assessment.
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Affiliation(s)
- Karin Wahlberg
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Emelie Rietz Liljedahl
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Ayman Alhamdow
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Christian Lindh
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Carola Lidén
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Maria Albin
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden; Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Håkan Tinnerberg
- Section of Occupational and Environmental Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
| | - Karin Broberg
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden; Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
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50
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Grieshober L, Wactawski-Wende J, Hageman Blair R, Mu L, Liu J, Nie J, Carty CL, Hale L, Kroenke CH, LaCroix AZ, Reiner AP, Ochs-Balcom HM. A Cross-Sectional Analysis of Telomere Length and Sleep in the Women's Health Initiative. Am J Epidemiol 2019; 188:1616-1626. [PMID: 31145433 PMCID: PMC6736371 DOI: 10.1093/aje/kwz134] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 05/20/2019] [Accepted: 05/20/2019] [Indexed: 12/20/2022] Open
Abstract
Telomere length is a heritable marker of cellular age that is associated with morbidity and mortality. Poor sleep behaviors, which are also associated with adverse health events, may be related to leukocyte telomere length (LTL). We studied a subpopulation of 3,145 postmenopausal women (1,796 European-American (EA) and 1,349 African-American (AA)) enrolled in the Women's Health Initiative in 1993-1998 with data on Southern blot-measured LTL and self-reported usual sleep duration and sleep disturbance. LTL-sleep associations were analyzed separately for duration and disturbance using weighted and confounder-adjusted linear regression models in the entire sample (AAs + EAs; adjusted for race/ethnicity) and in racial/ethnic strata, since LTL differs by ancestry. After adjustment for covariates, each additional daily hour of sleep beyond 5 hours, approximately, was associated with a 27-base-pair (95% confidence interval (CI): 6, 48) longer LTL in the entire sample. Associations between sleep duration and LTL were strongest among AAs (adjusted β = 37, 95% CI: 4, 70); a similar, nonsignificant association was observed for EAs (adjusted β = 20, 95% CI: -7, 48). Sleep disturbance was not associated with LTL in our study. Our models did not show departure from linearity (quadratic sleep terms: P ≥ 0.55). Our results suggest that longer sleep duration is associated with longer LTL in postmenopausal women.
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Affiliation(s)
- Laurie Grieshober
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, State University of New York at Buffalo, Buffalo, New York
- Department of Population Health Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah
| | - Jean Wactawski-Wende
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, State University of New York at Buffalo, Buffalo, New York
| | - Rachael Hageman Blair
- Department of Biostatistics, School of Public Health and Health Professions, State University of New York at Buffalo, Buffalo, New York
| | - Lina Mu
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, State University of New York at Buffalo, Buffalo, New York
| | - Jingmin Liu
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Jing Nie
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, State University of New York at Buffalo, Buffalo, New York
| | - Cara L Carty
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Lauren Hale
- Program in Public Health, Department of Family, Population, and Preventive Medicine, Stony Brook University, Stony Brook, New York
| | - Candyce H Kroenke
- Division of Research, Kaiser Permanente Northern California, Oakland, California
| | - Andrea Z LaCroix
- Division of Epidemiology, Department of Family Medicine and Public Health, School of Medicine, University of California, San Diego, La Jolla, California
| | - Alex P Reiner
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
- Department of Epidemiology, School of Public Health, University of Washington, Seattle, Washington
| | - Heather M Ochs-Balcom
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, State University of New York at Buffalo, Buffalo, New York
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