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Eaves LA, Harrington CE, Fry RC. Epigenetic Responses to Nonchemical Stressors: Potential Molecular Links to Perinatal Health Outcomes. Curr Environ Health Rep 2024; 11:145-157. [PMID: 38580766 DOI: 10.1007/s40572-024-00435-w] [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] [Accepted: 02/06/2024] [Indexed: 04/07/2024]
Abstract
PURPOSE OF REVIEW We summarize the recent literature investigating exposure to four nonchemical stressors (financial stress, racism, psychosocial stress, and trauma) and DNA methylation, miRNA expression, and mRNA expression. We also highlight the relationships between these epigenetic changes and six critical perinatal outcomes (preterm birth, low birth weight, preeclampsia, gestational diabetes, childhood allergic disease, and childhood neurocognition). RECENT FINDINGS Multiple studies have found financial stress, psychosocial stress, and trauma to be associated with DNA methylation and/or miRNA and mRNA expression. Fewer studies have investigated the effects of racism. The majority of studies assessed epigenetic or genomic changes in maternal blood, cord blood, or placenta. Several studies included multi-OMIC assessments in which DNA methylation and/or miRNA expression were associated with gene expression. There is strong evidence for the role of epigenetics in driving the health outcomes considered. A total of 22 biomarkers, including numerous HPA axis genes, were identified to be epigenetically altered by both stressors and outcomes. Epigenetic changes related to inflammation, the immune and endocrine systems, and cell growth and survival were highlighted across numerous studies. Maternal exposure to nonchemical stressors is associated with epigenetic and/or genomic changes in a tissue-specific manner among inflammatory, immune, endocrine, and cell growth-related pathways, which may act as mediating pathways to perinatal health outcomes. Future research can test the mediating role of the specific biomarkers identified as linked with both stressors and outcomes. Understanding underlying epigenetic mechanisms altered by nonchemical stressors can provide a better understanding of how chemical and nonchemical exposures interact.
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Affiliation(s)
- Lauren A Eaves
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
- Institute for Environmental Health Solutions, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - Cailee E Harrington
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - Rebecca C Fry
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA.
- Institute for Environmental Health Solutions, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA.
- Curriculum in Toxicology and Environmental Medicine, School of Medicine, University of North Carolina, Chapel Hill, NC, USA.
- Department of Pediatrics, School of Medicine, University of North Carolina, Chapel Hill, NC, USA.
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Malis SW, Wilson JA, Zuckerman MK, Osterholtz AJ, Paige J, Miller S, Paraman L, Soren D. Compromised health: Examining growth and health in a late antique Roman infant and child cemetery. AMERICAN JOURNAL OF BIOLOGICAL ANTHROPOLOGY 2024; 184:e24925. [PMID: 38487982 DOI: 10.1002/ajpa.24925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 02/07/2024] [Accepted: 02/18/2024] [Indexed: 07/18/2024]
Abstract
OBJECTIVES Combining research from infant and child development, public health, anthropology, and history, this research examines the relationship between growth, growth disruption, and skeletal indicators of chronic and/or episodic physiological stress (stress) among juvenile individuals (n = 60) interred at the late antique infant and child cemetery at Poggio Gramignano (PG) (ca. 5th century CE), associated with a rural agricultural community. MATERIALS AND METHODS Growth disruption-evidenced by decreased long bone length compared to dental age-and stress experience-evidenced by skeletal stress indicators-within these individuals are compared to those within juveniles from a comparative sample (n = 66) from two urban Roman-era cemeteries, Villa Rustica (VR) (0-250 CE) and Tragurium City Necropolis (TCN) (0-700 CE). RESULTS Results indicate that individuals from PG had significantly smaller femoral lengths-for-age than those from VR and TCN; however, the frequency of skeletal stress indicators was higher among juveniles from VR and TCN. DISCUSSION These differences in growth and stress experience are likely related to the different biosocial and ecological environments present in these two regions. For the community at PG, internal and external violent conflicts, as well as social, political, and economic turmoil, and subsistence shortages, endemic and epidemic infectious disease, nutritional deficiencies, and inherited or acquired anemia may have synergized to create chronically and/or episodically deleterious conditions for its juveniles.
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Affiliation(s)
- Sierra W Malis
- Department of Anthropology, National Museum of Natural History, Smithsonian Institution, Washington, District of Columbia, USA
| | - Jordan A Wilson
- Department of Anthropology, The Pennsylvania State University, State College, Pennsylvania, USA
| | - Molly Kathleen Zuckerman
- Department of Anthropology and Middle Eastern Cultures, Mississippi State University, Starkville, Mississippi, USA
| | - Anna J Osterholtz
- Department of Anthropology and Middle Eastern Cultures, Mississippi State University, Starkville, Mississippi, USA
| | - Julianne Paige
- Department of Anthropology, University of Nevada Las Vegas, Reno, Nevada, USA
| | - Shane Miller
- Department of Anthropology and Middle Eastern Cultures, Mississippi State University, Starkville, Mississippi, USA
| | | | - David Soren
- School of Anthropology, University of Arizona, Tucson, Arizona, USA
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Hsiao CJ, Quinn EB, Maisha FM, Nevell LD, Mulligan CJ. Associations of maternal stress, gene expression, and newborn birthweight in the Democratic Republic of Congo. AMERICAN JOURNAL OF BIOLOGICAL ANTHROPOLOGY 2024; 183:e24862. [PMID: 39101464 PMCID: PMC11292139 DOI: 10.1002/ajpa.24862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 10/02/2023] [Indexed: 08/06/2024]
Abstract
Objectives Maternal stress has long been associated with lower birthweight, which is associated with adverse health outcomes including many adult diseases. The underlying mechanisms remain elusive although changes in gene expression may play a role. Studies are only beginning to test how maternal stress impacts gene expression as reflected in the transcriptome. Materials and Methods In a cohort of mothers and newborns in the eastern Democratic Republic of Congo (n=93), we studied the effects of four maternal stress measures (chronic stress, war trauma, sexual trauma, and general trauma) on the transcriptomes of maternal venous blood, newborn venous blood, and placental tissues, and on newborn birthweight. Maternal stress was investigated as independent measures, principal components, and clusters identified through machine learning. The transcriptome was assayed using the ClariomD chip. Multiple regression models were used to test for associations between maternal stress measures, the transcriptome, and newborn birthweight. Results None of the maternal stress measures showed an association with expression of individual genes. In contrast, when testing global gene expression, war trauma was significantly associated with the placental transcriptome. War trauma was also significantly associated with birthweight in multiple models. Mediation analysis indicated that ~14% of the effect of war trauma on birthweight was mediated by a placental gene expression component. Discussion Our results suggest that gene expression in the placenta, which represents the interface between mother and developing fetus, may partially mediate the negative impact of maternal stress on newborn birthweight.
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Affiliation(s)
- Chu J. Hsiao
- Department of Anthropology, University of Florida, Gainesville, FL 32608
- Genetics Institute, University of Florida, Gainesville, FL 32608
- College of Medicine, University of Florida, Gainesville, FL 32608
| | - Edward B. Quinn
- Department of Anthropology, University of Florida, Gainesville, FL 32608
- Genetics Institute, University of Florida, Gainesville, FL 32608
| | - Felicien M. Maisha
- Department of Anthropology, University of Florida, Gainesville, FL 32608
- Genetics Institute, University of Florida, Gainesville, FL 32608
- HEAL Africa Hospital, Goma, Democratic Republic of Congo
- Maisha Institute, Goma, Democratic Republic of Congo
| | - Lisa D. Nevell
- Department of Anthropology, University of Florida, Gainesville, FL 32608
- Genetics Institute, University of Florida, Gainesville, FL 32608
| | - Connie J. Mulligan
- Department of Anthropology, University of Florida, Gainesville, FL 32608
- Genetics Institute, University of Florida, Gainesville, FL 32608
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Quinn EB, Hsiao CJ, Maisha FM, Mulligan CJ. Prenatal maternal stress is associated with site-specific and age acceleration changes in maternal and newborn DNA methylation. Epigenetics 2023; 18:2222473. [PMID: 37300821 PMCID: PMC10259347 DOI: 10.1080/15592294.2023.2222473] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 05/10/2023] [Accepted: 06/01/2023] [Indexed: 06/12/2023] Open
Abstract
Prenatal maternal stress has a negative impact on child health but the mechanisms through which maternal stress affects child health are unclear. Epigenetic variation, such as DNA methylation, is a likely mechanistic candidate as DNA methylation is sensitive to environmental insults and can regulate long-term changes in gene expression. We recruited 155 mother-newborn dyads in the Democratic Republic of Congo to investigate the effects of maternal stress on DNA methylation in mothers and newborns. We used four measures of maternal stress to capture a range of stressful experiences: general trauma, sexual trauma, war trauma, and chronic stress. We identified differentially methylated positions (DMPs) associated with general trauma, sexual trauma, and war trauma in both mothers and newborns. No DMPs were associated with chronic stress. Sexual trauma was positively associated with epigenetic age acceleration across several epigenetic clocks in mothers. General trauma and war trauma were positively associated with newborn epigenetic age acceleration using the extrinsic epigenetic age clock. We tested the top DMPs for enrichment of DNase I hypersensitive sites (DHS) and found no enrichment in mothers. In newborns, top DMPs associated with war trauma were enriched for DHS in embryonic and foetal cell types. Finally, one of the top DMPs associated with war trauma in newborns also predicted birthweight, completing the cycle from maternal stress to DNA methylation to newborn health outcome. Our results indicate that maternal stress is associated with site-specific changes in DNAm and epigenetic age acceleration in both mothers and newborns.
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Affiliation(s)
- Edward B. Quinn
- Department of Anthropology, University of Florida, Gainesville, FL, USA
- Genetics Institute, University of Florida, Gainesville, FL, USA
| | - Chu J. Hsiao
- Department of Anthropology, University of Florida, Gainesville, FL, USA
- Genetics Institute, University of Florida, Gainesville, FL, USA
- College of Medicine, University of Florida, Gainesville, FL, USA
| | - Felicien M. Maisha
- Department of Anthropology, University of Florida, Gainesville, FL, USA
- Genetics Institute, University of Florida, Gainesville, FL, USA
- Democratic Republic of Congo, HEAL Africa Hospital, Goma, USA
- Democratic Republic of Congo, Maisha Institute, Goma, USA
| | - Connie J. Mulligan
- Department of Anthropology, University of Florida, Gainesville, FL, USA
- Genetics Institute, University of Florida, Gainesville, FL, USA
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Mavioglu RN, Ramo-Fernandez L, Gumpp AM, Kolassa IT, Karabatsiakis A. A history of childhood maltreatment is associated with altered DNA methylation levels of DNA methyltransferase 1 in maternal but not neonatal mononuclear immune cells. Front Psychiatry 2022; 13:945343. [PMID: 36440389 PMCID: PMC9685310 DOI: 10.3389/fpsyt.2022.945343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 10/24/2022] [Indexed: 11/11/2022] Open
Abstract
Childhood maltreatment (CM) is associated with alterations in DNA methylation (DNAm) especially in stress response genes. Due to the higher risk of overall health complications of individuals with a parental history of CM, intergenerational transmission of CM-associated DNAm changes has been investigated but remains unclear. In this study, we investigated if different severities of CM have any influence on the DNAm of DNA methyltransferase 1 (DNMT1), an important enzyme of the DNAm machinery, in immune and buccal cells of mother-newborn dyads. DNAm was assessed by mass spectrometry using immune cell DNA from mothers (N = 117) and their newborns (N = 113), and buccal cell DNA of mother-newborn dyads (N = 68 each). Mothers with a history of CM had lower mean methylation of DNMT1 in immune cells compared to the mothers without a CM history. CM status only influenced maternal DNMT1 gene expression when at least moderate CM was reported. Buccal cell DNAm was not associated with CM status. Maternal history of CM was not linked to any alterations in DNMT1 mean DNAm in any of the cell types studied in newborns. We conclude that the CM-associated alterations in DNMT1 DNAm might point to allostatic load and can be physiologically relevant, especially in individuals with more severe CM experiences, resulting in an activated DNA methylation machinery that might influence stress response genes. Our lack of significant findings in buccal cells shows the tissue-specific effects of CM on DNAm. In our sample with low to moderate maternal CM history, there was no intergenerational transmission of DNMT1 DNAm in newborns.
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Affiliation(s)
- Rezan Nehir Mavioglu
- Department of Clinical and Biological Psychology, Institute of Psychology and Education, Ulm University, Ulm, Germany
| | - Laura Ramo-Fernandez
- Department of Clinical and Biological Psychology, Institute of Psychology and Education, Ulm University, Ulm, Germany
| | - Anja M Gumpp
- Department of Clinical and Biological Psychology, Institute of Psychology and Education, Ulm University, Ulm, Germany
| | - Iris-Tatjana Kolassa
- Department of Clinical and Biological Psychology, Institute of Psychology and Education, Ulm University, Ulm, Germany
| | - Alexander Karabatsiakis
- Department of Clinical and Biological Psychology, Institute of Psychology and Education, Ulm University, Ulm, Germany.,Department of Psychology, Clinical Psychology II, University of Innsbruck, Innsbruck, Austria
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Taki F, de Melo-Martin I. Conducting epigenetics research with refugees and asylum seekers: attending to the ethical challenges. Clin Epigenetics 2021; 13:105. [PMID: 33964970 PMCID: PMC8106224 DOI: 10.1186/s13148-021-01092-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 04/26/2021] [Indexed: 01/10/2023] Open
Abstract
An increase in global violence has forced the displacement of more than 70 million people, including 26 million refugees and 3.5 asylum seekers. Refugees and asylum seekers face serious socioeconomic and healthcare barriers and are therefore particularly vulnerable to physical and mental health risks, which are sometimes exacerbated by immigration policies and local social discriminations. Calls for a strong evidence base for humanitarian action have encouraged conducting research to address the barriers and needs of refugees and asylum seekers. Given the role of epigenetics factors to mediate the effect of psychological and environmental exposures, epigenetic modifications have been used as biomarkers for life adversity and disease states. Therefore, epigenetic research can be potentially beneficial to address some of the issues associated with refugees and asylum seekers. Here, we review the value of previous and ongoing epigenetic studies with traumatized populations, explore some of the ethical challenges associated with epigenetic research with refugees and asylees and offer suggestions to address or mitigate some of these challenges. Researchers have an ethical responsibility to implement strategies to minimize the harms and maximize the short and long-term benefits to refugee and asylee participants.
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Affiliation(s)
- Faten Taki
- Department of Anesthesiology, Weill Cornell Medicine, New York, NY, USA.
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Millender E, Barile JP, R Bagneris J, Harris RM, De Faria L, Wong FY, Crusto CA, Taylor JY. Associations between social determinants of health, perceived discrimination, and body mass index on symptoms of depression among young African American mothers. Arch Psychiatr Nurs 2021; 35:94-101. [PMID: 33593522 PMCID: PMC7890049 DOI: 10.1016/j.apnu.2020.09.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 04/09/2020] [Accepted: 09/12/2020] [Indexed: 10/22/2022]
Abstract
PURPOSE The association between symptoms of depression and risks for cardiovascular disease (CVD) remains equivocal for African American (AA) mothers. We examined the association between social determinants of health (perceived discrimination), and cardiovascular risk (BMI) on symptoms of depression in a sample of young AA mothers. METHODS Secondary data from 219 adult AA mothers between the ages of 21 and 46 with an average BMI of 29.8 and yearly family income of $14,999 were analyzed using a latent growth model that evaluated four time points to assess changes in symptoms of depression. RESULTS Initial BMI was significantly associated with initial symptoms of depression (b = 0.12, p = .019). Perceived discrimination (unfair treatment) was associated with higher initial symptoms of depression (b = 1.14, p = .017). CONCLUSION The findings suggest that elevated BMI and perceived discrimination are associated with higher reported symptoms of depression among young, socioeconomically disadvantaged AA mothers. These results advance the scientific understanding of young AA mothers' risk for symptoms of depression and CVD by elucidating the impact of perceived discrimination and social experiences on mental health. Further studies of SDoH and CVD risk factors and perceived racism and depression are needed to shed light on the long-term mental health impact on AA mothers and their children.
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Affiliation(s)
- Eugenia Millender
- Center for Population Sciences and Health Equity Associate Professor, College of Nursing, Florida State University, 2010 Levy Ave., Tallahassee, FL 32310, United States of America.
| | - John P Barile
- Department of Psychology, the University of Hawai'i at Mānoa, 2530 Dole St., Sakamaki Hall C404, Honolulu, HI 96822-2294, United States of America.
| | - Jessica R Bagneris
- Center for Population Sciences and Health Equity Associate Professor, College of Nursing, Florida State University, 2010 Levy Ave., Tallahassee, FL 32310, United States of America.
| | - Rachel M Harris
- Center for Population Sciences and Health Equity Associate Professor, College of Nursing, Florida State University, 2010 Levy Ave., Tallahassee, FL 32310, United States of America.
| | - Ludmila De Faria
- Clinical Associate Professor, Department of Psychiatry, University of Florida, United States of America.
| | - Frank Y Wong
- Center for Population Sciences and Health Equity Associate Professor, College of Nursing, Florida State University, 2010 Levy Ave., Tallahassee, FL 32310, United States of America.
| | - Cindy A Crusto
- Department of Psychiatry, Yale University School of Medicine, 300 George St, New Haven, CT 06511, United States of America; Department of Psychology, University of Pretoria, cnr Lynwood Road and Roper Street, Hatfield Pretoria 0002, South Africa.
| | - Jacquelyn Y Taylor
- Columbia University School of Nursing and Center for Research on People of Color, 560 W 168th Street, Room 605, New York, New York 10032, United States of America.
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Syme KL, Hagen EH. Mental health is biological health: Why tackling "diseases of the mind" is an imperative for biological anthropology in the 21st century. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2019; 171 Suppl 70:87-117. [PMID: 31762015 DOI: 10.1002/ajpa.23965] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 10/23/2019] [Accepted: 10/24/2019] [Indexed: 12/23/2022]
Abstract
The germ theory of disease and the attendant public health initiatives, including sanitation, vaccination, and antibiotic treatment, led to dramatic increases in global life expectancy. As the prevalence of infectious disease declines, mental disorders are emerging as major contributors to the global burden of disease. Scientists understand little about the etiology of mental disorders, however, and many of the most popular psychopharmacological treatments, such as antidepressants and antipsychotics, have only moderate-to-weak efficacy in treating symptoms and fail to target biological systems that correspond to discrete psychiatric syndromes. Consequently, despite dramatic increases in the treatment of some mental disorders, there has been no decrease in the prevalence of most mental disorders since accurate record keeping began. Many researchers and theorists are therefore endeavoring to rethink psychiatry from the ground-up. Anthropology, especially biological anthropology, can offer critical theoretical and empirical insights to combat mental illness globally. Biological anthropologists are unique in that we take a panhuman approach to human health and behavior and are trained to address each of Tinbergen's four levels of analysis as well as culture. The field is thus exceptionally well-situated to help resolve the mysteries of mental illness by integrating biological, evolutionary, and sociocultural perspectives.
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Affiliation(s)
- Kristen L Syme
- Department of Anthropology, Washington State University, Vancouver, Washington
| | - Edward H Hagen
- Department of Anthropology, Washington State University, Vancouver, Washington
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Insights from epigenetic studies on human health and evolution. Curr Opin Genet Dev 2018; 53:36-42. [DOI: 10.1016/j.gde.2018.06.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 06/01/2018] [Accepted: 06/08/2018] [Indexed: 12/28/2022]
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10
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Lanata CM, Chung SA, Criswell LA. DNA methylation 101: what is important to know about DNA methylation and its role in SLE risk and disease heterogeneity. Lupus Sci Med 2018; 5:e000285. [PMID: 30094041 PMCID: PMC6069928 DOI: 10.1136/lupus-2018-000285] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 06/25/2018] [Indexed: 12/20/2022]
Abstract
SLE is a complex autoimmune disease that results from the interplay of genetics, epigenetics and environmental exposures. DNA methylation is an epigenetic mechanism that regulates gene expression and tissue differentiation. Among all the epigenetic modifications, DNA methylation perturbations have been the most widely studied in SLE. It mediates processes relevant to SLE, including lymphocyte development, X-chromosome inactivation and the suppression of endogenous retroviruses. The establishment of most DNA methylation marks occurs in utero; however, a small percentage of epigenetic marks are dynamic and can change throughout a person’s lifetime and in relation to exposures. In this review, we discuss the current understanding of the biology of DNA methylation and its regulators, the measurement and interpretation of methylation marks, the effects of genetics on DNA methylation and the role of environmental exposures with relevance to SLE. We also summarise research findings associated with SLE disease risk and heterogeneity. The robust finding of hypomethylation of interferon-responsive genes in patients with SLE and new associations beyond interferon-responsive genes such as cell-specific methylation abnormalities are described. We also discuss methylation changes associated with lupus nephritis, autoantibody status and disease activity. Lastly, we explore future research directions, emphasising the need for longitudinal studies, cell tissue and context-specific profiling, as well as integrative approaches. With new technologies, DNA methylation perturbations could be targeted and edited, offering novel therapeutic approaches.
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Affiliation(s)
- Cristina M Lanata
- Russell/Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, California, USA
| | - Sharon A Chung
- Russell/Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, California, USA
| | - Lindsey A Criswell
- Russell/Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, California, USA
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Wachman EM, Hayes MJ, Shrestha H, Nikita FNU, Nolin A, Hoyo L, Daigle K, Jones HE, Nielsen DA. Epigenetic variation in OPRM1
gene in opioid-exposed mother-infant dyads. GENES BRAIN AND BEHAVIOR 2018; 17:e12476. [DOI: 10.1111/gbb.12476] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 03/02/2018] [Accepted: 03/20/2018] [Indexed: 12/17/2022]
Affiliation(s)
- E. M. Wachman
- Department of Pediatrics; Boston Medical Center; Boston Massachusetts
| | - M. J. Hayes
- Department of Psychology; Graduate School of Biomedical Sciences & Engineering, University of Maine; Orono Maine
| | - H. Shrestha
- Department of Pediatrics; Boston Medical Center; Boston Massachusetts
| | - F. N. U. Nikita
- Boston University School of Public Health; Boston Massachusetts
| | - A. Nolin
- Boston University School of Medicine; Boston Massachusetts
| | - L. Hoyo
- Boston University School of Medicine; Boston Massachusetts
| | - K. Daigle
- Department of Adolescent and Young Adult Medicine; Boston Children's Hospital; Boston Massachusetts
| | - H. E. Jones
- UNC Horizons, Department of Obstetrics and Gynecology; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
- Department of Psychiatry and Behavioral Sciences and Obstetrics and Gynecology; School of Medicine, Johns Hopkins University; Baltimore Maryland
- Department of Obstetrics and Gynecology; School of Medicine, Johns Hopkins University; Baltimore Maryland
| | - D. A. Nielsen
- Menninger Department of Psychiatry and Behavioral Sciences; Baylor College of Medicine; Houston Texas
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Abstract
Purpose of Review Traumatic stress has profound impacts on many domains of life, yet the mechanisms that confer risk for or resilience to the development of traumatic stress-related psychopathologies are still very much under investigation. The current review highlights recent developments in the field of traumatic stress epigenetics in humans. Recent Findings Recent results reveal traumatic stress-related epigenetic dysregulation in neural, endocrine, and immune system genes and associated networks. Emerging work combining imaging with epigenetic measures holds promise for addressing the correspondence between peripheral and central effects of traumatic stress. A growing literature is also documenting the transgenerational effects of prenatal stress exposures in humans. Summary Moving forward, increasing focus on epigenetic marks of traumatic stress in CNS tissue will create a clearer picture of the relevance of peripheral measures; PTSD brain banks will help in this regard. Similarly, leveraging multigenerational birth cohort data will do much to clarify the extent of transgenerational epigenetic effects of traumatic stress. Greater efforts should be made towards developing prospective studies with longitudinal design.
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Affiliation(s)
- John R Pfeiffer
- Department of Psychology, University of Illinois at Urbana-Champaign, Urbana, IL, USA.,Carl R. Woese Institute for Genomic Biology, Urbana, IL, USA
| | - Leon Mutesa
- Center for Human Genetics, College of Medicine & Health Sciences, University of Rwanda, Kigali, Rwanda
| | - Monica Uddin
- Department of Psychology, University of Illinois at Urbana-Champaign, Urbana, IL, USA.,Carl R. Woese Institute for Genomic Biology, Urbana, IL, USA.,Neuroscience Program, University of Illinois at Urbana-Champaign, Urbana, IL, USA
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