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Kwon JY, Maeng YS. Human Cord Blood Endothelial Progenitor Cells and Pregnancy Complications (Preeclampsia, Gestational Diabetes Mellitus, and Fetal Growth Restriction). Int J Mol Sci 2024; 25:4444. [PMID: 38674031 PMCID: PMC11050478 DOI: 10.3390/ijms25084444] [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: 03/14/2024] [Revised: 04/12/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Hemangioblasts give rise to endothelial progenitor cells (EPCs), which also express the cell surface markers CD133 and c-kit. They may differentiate into the outgrowth endothelial cells (OECs) that control neovascularization in the developing embryo. According to numerous studies, reduced levels of EPCs in circulation have been linked to human cardiovascular disorders. Furthermore, preeclampsia and senescence have been linked to levels of EPCs produced from cord blood. Uncertainties surround how preeclampsia affects the way EPCs function. It is reasonable to speculate that preeclampsia may have an impact on the function of fetal EPCs during the in utero period; however, the present literature suggests that maternal vasculopathies, including preeclampsia, damage fetal circulation. Additionally, the differentiation potential and general activity of EPCs may serve as an indicator of the health of the fetal vascular system as they promote neovascularization and repair during pregnancy. Thus, the purpose of this review is to compare-through the assessment of their quantity, differentiation potency, angiogenic activity, and senescence-the angiogenic function of fetal EPCs obtained from cord blood for normal and pregnancy problems (preeclampsia, gestational diabetes mellitus, and fetal growth restriction). This will shed light on the relationship between the angiogenic function of fetal EPCs and pregnancy complications, which could have an effect on the management of long-term health issues like metabolic and cardiovascular disorders in offspring with abnormal vasculature development.
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Affiliation(s)
- Ja-Young Kwon
- Department of Obstetrics and Gynecology, Institute of Women’s Life Medical Science, Yonsei University Health System, Seoul 03722, Republic of Korea;
- Department of Obstetrics and Gynecology, Yonsei University College of Medicine, 250 Seongsanno, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Yong-Sun Maeng
- Department of Obstetrics and Gynecology, Institute of Women’s Life Medical Science, Yonsei University Health System, Seoul 03722, Republic of Korea;
- Department of Obstetrics and Gynecology, Yonsei University College of Medicine, 250 Seongsanno, Seodaemun-gu, Seoul 03722, Republic of Korea
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Yi Y, Wang T, Xu W, Zhang SH. Epigenetic modifications of placenta in women with gestational diabetes mellitus and their offspring. World J Diabetes 2024; 15:378-391. [PMID: 38591094 PMCID: PMC10999040 DOI: 10.4239/wjd.v15.i3.378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 12/30/2023] [Accepted: 02/06/2024] [Indexed: 03/15/2024] Open
Abstract
Gestational diabetes mellitus (GDM) is a pregnancy-related complication characterized by abnormal glucose metabolism in pregnant women and has an important impact on fetal development. As a bridge between the mother and the fetus, the placenta has nutrient transport functions, endocrine functions, etc., and can regulate placental nutrient transport and fetal growth and development according to maternal metabolic status. Only by means of placental transmission can changes in maternal hyperglycemia affect the fetus. There are many reports on the placental pathophysiological changes associated with GDM, the impacts of GDM on the growth and development of offspring, and the prevalence of GDM in offspring after birth. Placental epigenetic changes in GDM are involved in the programming of fetal development and are involved in the pathogenesis of later chronic diseases. This paper summarizes the effects of changes in placental nutrient transport function and hormone secretion levels due to maternal hyperglycemia and hyperinsulinemia on the development of offspring as well as the participation of changes in placental epigenetic modifications due to maternal hyperglycemia in intrauterine fetal programming to promote a comprehensive understanding of the impacts of placental epigenetic modifications on the development of offspring from patients with GDM.
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Affiliation(s)
- Yan Yi
- Department of Ultrasonography, The First Affiliated Hospital of Yangtze University, Jingzhou 434000, Hubei Province, China
| | - Tao Wang
- Clinical Molecular Immunology Center, Yangtze University, Jingzhou 434023, Hubei Province, China
| | - Wei Xu
- Department of Ultrasonography, The First Affiliated Hospital of Yangtze University, Jingzhou 434000, Hubei Province, China
| | - San-Hong Zhang
- Department of Pediatric, Xiantao First People’s Hospital, Xiantao 433000, Hubei Province, China
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3
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Cao W, Li N, Zhang R, Li W, Gao M, Wang H, Wang L, Qiao Y, Li J, Yu Z, Hu G, Leng J, Yang X. Interactive effects of gestational diabetes and high pre-pregnancy body mass index on adverse growth patterns of offspring. Diabetes Metab Res Rev 2024; 40:e3759. [PMID: 38111120 DOI: 10.1002/dmrr.3759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 10/07/2023] [Accepted: 10/13/2023] [Indexed: 12/20/2023]
Abstract
AIMS To examine the independent and interactive effects of maternal gestational diabetes mellitus (GDM) and high pre-pregnancy body mass index (BMI) on the risk of offspring adverse growth patterns. MATERIALS AND METHODS One thousand six hundred and eighty one mother-child pairs were followed for 8 years in Tianjin, China. Group-based trajectory modelling was used to identify offspring growth patterns. Logistic regression was performed to obtain odds ratios (ORs) and 95% confidence intervals (CIs) of GDM and high pre-pregnancy BMI for offspring adverse growth patterns. Restricted cubic spline was used to identify cut-off points. Additive interactions and multiplicative interactions were used to test interactive effects between GDM and high pre-pregnancy BMI for adverse growth patterns. RESULTS Four distinct growth patterns were identified in offspring, including normal growth pattern, persistent lean growth pattern, late obesity growth pattern (LOGP), and persistent obesity growth pattern (POGP). Maternal high pre-pregnancy BMI was associated with LOGP and POGP (adjusted OR, 95% CI: 2.38, 1.74-3.25 & 4.92, 2.26-10.73). GDM greatly enhanced the adjusted OR of high pre-pregnancy BMI for LOGP up to 3.48 (95% CI: 2.25-5.38). Additive interactions and multiplicative interactions between both risk factors were significant for LOGP but not for POGP. CONCLUSIONS Maternal high pre-pregnancy BMI was associated with increased risk of LOGP and POGP, whereas GDM greatly enhanced the risk of high pre-pregnancy BMI for LOGP.
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Affiliation(s)
- Weihan Cao
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Ninghua Li
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Rui Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Weiqin Li
- Department of Project Office, Tianjin Women and Children's Health Center, Tianjin, China
| | - Ming Gao
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Hui Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Leishen Wang
- Department of Project Office, Tianjin Women and Children's Health Center, Tianjin, China
| | - Yijuan Qiao
- Department of Project Office, Tianjin Women and Children's Health Center, Tianjin, China
| | - Jing Li
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China
- Tianjin Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China
| | - Zhijie Yu
- Population Cancer Research Program and Department of Pediatrics, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Gang Hu
- Chronic Disease Epidemiology Laboratory, Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA
| | - Junhong Leng
- Department of Project Office, Tianjin Women and Children's Health Center, Tianjin, China
| | - Xilin Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China
- Tianjin Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China
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Waldrop SW, Niemiec S, Wood C, Gyllenhammer LE, Jansson T, Friedman JE, Tryggestad JB, Borengasser SJ, Davidson EJ, Yang IV, Kechris K, Dabelea D, Boyle KE. Cord blood DNA methylation of immune and lipid metabolism genes is associated with maternal triglycerides and child adiposity. Obesity (Silver Spring) 2024; 32:187-199. [PMID: 37869908 PMCID: PMC10872762 DOI: 10.1002/oby.23915] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 08/14/2023] [Accepted: 08/16/2023] [Indexed: 10/24/2023]
Abstract
OBJECTIVE Fetal exposures may impact offspring epigenetic signatures and adiposity. The authors hypothesized that maternal metabolic traits associate with cord blood DNA methylation, which, in turn, associates with child adiposity. METHODS Fasting serum was obtained in 588 pregnant women (27-34 weeks' gestation), and insulin, glucose, high-density lipoprotein cholesterol, triglycerides, and free fatty acids were measured. Cord blood DNA methylation and child adiposity were measured at birth, 4-6 months, and 4-6 years. The association of maternal metabolic traits with DNA methylation (429,246 CpGs) for differentially methylated probes (DMPs) and regions (DMRs) was tested. The association of the first principal component of each DMR with child adiposity was tested, and mediation analysis was performed. RESULTS Maternal triglycerides were associated with the most DMPs and DMRs of all traits tested (261 and 198, respectively, false discovery rate < 0.05). DMRs were near genes involved in immune function and lipid metabolism. Triglyceride-associated CpGs were associated with child adiposity at 4-6 months (32 CpGs) and 4-6 years (2 CpGs). One, near CD226, was observed at both timepoints, mediating 10% and 22% of the relationship between maternal triglycerides and child adiposity at 4-6 months and 4-6 years, respectively. CONCLUSIONS DNA methylation may play a role in the association of maternal triglycerides and child adiposity.
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Affiliation(s)
- Stephanie W. Waldrop
- Section of Nutrition, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Sierra Niemiec
- Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Cheyret Wood
- Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Lauren E. Gyllenhammer
- Department of Pediatrics, University of California, Irvine, School of Medicine, Irvine, CA, USA
| | - Thomas Jansson
- Department of Obstetrics and Gynecology, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Jacob E. Friedman
- Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Jeanie B. Tryggestad
- Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Sarah J. Borengasser
- Section of Nutrition, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Elizabeth J. Davidson
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Ivana V. Yang
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO USA
- The Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Aurora, CO USA
| | - Katerina Kechris
- Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO USA
- The Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Aurora, CO USA
| | - Dana Dabelea
- The Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Aurora, CO USA
- Department of Epidemiology, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Kristen E. Boyle
- Section of Nutrition, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO USA
- The Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Aurora, CO USA
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5
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Zhang L, Zou W, Hu Y, Wu H, Gao Y, Zhang J, Zheng J. Maternal high-calorie diet feeding programs hepatic cholesterol metabolism and Abca1 promoter methylation in the early life of offspring. J Nutr Biochem 2023; 122:109449. [PMID: 37748622 DOI: 10.1016/j.jnutbio.2023.109449] [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: 01/30/2023] [Revised: 07/19/2023] [Accepted: 09/20/2023] [Indexed: 09/27/2023]
Abstract
Maternal high-calorie diet feeding can dramatically increase the susceptibility of metabolic diseases in offspring. However, whether maternal high-calorie diet feeding can program hepatic cholesterol metabolism in the early life of offspring is less understood, and the epigenetic mechanisms underlying this intergenerational effect, especially during the early life of offspring, are unknown. Female C57BL/6J mice were randomly assigned to a high-calorie diet or control diet before and during gestation, and lactation. Lipid metabolism was evaluated in male offspring at weaning. Gene expressions and quantitative methylation levels of key genes associated with hepatic cholesterol metabolism were further evaluated in offspring at weaning age. We found that maternal high-calorie diet feeding resulted in higher body weight, hypercholesterolemia, elevated total cholesterol in liver homogenates, and fat deposits in the liver in offspring at weaning. For key genes that regulate cholesterol metabolism in liver, we showed lower Hmgcr and Ldlr, and higher Abca1 mRNA and protein expressions in offspring from dams fed with high-calorie diet at weaning age. We further found that maternal high-calorie diet feeding significantly decreased Abca1 methylation level in offspring, with lower methylation levels of both CpG 11 and CpG 22 sites. Interestingly, we found that Abca1 methylation level was negatively associated with hepatic Abca1 mRNA expression in offspring from dams fed with high-calorie diet and controls. However, the expressions of key genes associated with hepatic cholesterol metabolism were not significant between fetuses of dams fed with high-calorie diet and control diet. In conclusion, our results indicate that maternal high-calorie diet feeding results in aberrant lipid metabolism, including hypercholesterolemia and fat deposits in the liver of offspring as early as weaning age. Furthermore, maternal high-calorie feeding can program hepatic cholesterol metabolism and Abca1 methylation in the early life of offspring.
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Affiliation(s)
- Ling Zhang
- Department of Endocrinology, Peking University First Hospital, Beijing, China
| | - Wenyu Zou
- Department of Endocrinology, Peking University First Hospital, Beijing, China
| | - Yongyan Hu
- Laboratory Animal Facility, Peking University First Hospital, Beijing, China
| | - Honghua Wu
- Department of Endocrinology, Peking University First Hospital, Beijing, China
| | - Ying Gao
- Department of Endocrinology, Peking University First Hospital, Beijing, China
| | - Junqing Zhang
- Department of Endocrinology, Peking University First Hospital, Beijing, China.
| | - Jia Zheng
- Department of Endocrinology, Peking University First Hospital, Beijing, China.
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Kwon H, Jung YJ, Lee Y, Son GH, Kim HO, Maeng YS, Kwon JY. Impaired Angiogenic Function of Fetal Endothelial Progenitor Cells via PCDH10 in Gestational Diabetes Mellitus. Int J Mol Sci 2023; 24:16082. [PMID: 38003275 PMCID: PMC10671254 DOI: 10.3390/ijms242216082] [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: 10/11/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
Maternal hyperglycemia, induced by gestational diabetes mellitus (GDM), has detrimental effects on fetal vascular development, ultimately increasing the risk of cardiovascular diseases in offspring. The potential underlying mechanisms through which these complications occur are due to functional impairment and epigenetic changes in fetal endothelial progenitor cells (EPCs), which remain less defined. We confirm that intrauterine hyperglycemia leads to the impaired angiogenic function of fetal EPCs, as observed through functional assays of outgrowth endothelial cells (OECs) derived from fetal EPCs of GDM pregnancies (GDM-EPCs). Notably, PCDH10 expression is increased in OECs derived from GDM-EPCs, which is associated with the inhibition of angiogenic function in fetal EPCs. Additionally, increased PCDH10 expression is correlated with the hypomethylation of the PCDH10 promoter. Our findings demonstrate that in utero exposure to GDM can induce angiogenic dysfunction in fetal EPCs through altered gene expression and epigenetic changes, consequently increasing the susceptibility to cardiovascular diseases in the offspring of GDM mothers.
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Affiliation(s)
- Hayan Kwon
- Department of Obstetrics and Gynecology, Institute of Women’s Life Medical Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (H.K.); (Y.J.J.); (Y.L.)
| | - Yun Ji Jung
- Department of Obstetrics and Gynecology, Institute of Women’s Life Medical Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (H.K.); (Y.J.J.); (Y.L.)
| | - Yeji Lee
- Department of Obstetrics and Gynecology, Institute of Women’s Life Medical Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (H.K.); (Y.J.J.); (Y.L.)
| | - Ga-Hyun Son
- Department of Obstetrics and Gynecology, Kangnam Sacred Heart Hospital, Hallym University Medical Center, Hallym University College of Medicine, Seoul 07441, Republic of Korea;
| | - Hyun Ok Kim
- Korea Cell-Based Artificial Blood Project, Regenerative Medicine Acceleration Foundation, Seoul 04512, Republic of Korea;
| | - Yong-Sun Maeng
- Department of Obstetrics and Gynecology, Institute of Women’s Life Medical Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (H.K.); (Y.J.J.); (Y.L.)
| | - Ja-Young Kwon
- Department of Obstetrics and Gynecology, Institute of Women’s Life Medical Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (H.K.); (Y.J.J.); (Y.L.)
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Nair S, Ormazabal V, Carrion F, Handberg A, McIntyre H, Salomon C. Extracellular vesicle-mediated targeting strategies for long-term health benefits in gestational diabetes. Clin Sci (Lond) 2023; 137:1311-1332. [PMID: 37650554 PMCID: PMC10472199 DOI: 10.1042/cs20220150] [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: 02/20/2023] [Revised: 07/23/2023] [Accepted: 08/09/2023] [Indexed: 09/01/2023]
Abstract
Extracellular vesicles (EVs) are critical mediators of cell communication, playing important roles in regulating molecular cross-talk between different metabolic tissues and influencing insulin sensitivity in both healthy and gestational diabetes mellitus (GDM) pregnancies. The ability of EVs to transfer molecular cargo between cells imbues them with potential as therapeutic agents. During pregnancy, the placenta assumes a vital role in metabolic regulation, with multiple mechanisms of placenta-mediated EV cross-talk serving as central components in GDM pathophysiology. This review focuses on the role of the placenta in the pathophysiology of GDM and explores the possibilities and prospects of targeting the placenta to address insulin resistance and placental dysfunction in GDM. Additionally, we propose the use of EVs as a novel method for targeted therapeutics in treating the dysfunctional placenta. The primary aim of this review is to comprehend the current status of EV targeting approaches and assess the potential application of these strategies in placental therapeutics, thereby delivering molecular cargo and improving maternal and fetal outcomes in GDM. We propose that EVs have the potential to revolutionize GDM management, offering hope for enhanced maternal-fetal health outcomes and more effective treatments.
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Affiliation(s)
- Soumyalekshmi Nair
- Translational Extracellular Vesicle in Obstetrics and Gynae-Oncology Group, UQ Centre for Clinical Research, Royal Brisbane and Women's Hospital, Faculty of Medicine, The University of Queensland, Australia
| | - Valeska Ormazabal
- Department of Pharmacology, Faculty of Biological Sciences, University of Concepcion, Concepción, Chile
| | - Flavio Carrion
- Departamento de Investigación, Postgrado y Educación Continua (DIPEC), Facultad de Ciencias de la Salud, Universidad del Alba, Santiago, Chile
| | - Aase Handberg
- Department of Clinical Biochemistry, Aalborg University Hospital, Aalborg, Denmark
| | - H David McIntyre
- Mater Research, Faculty of Medicine, University of Queensland, Mater Health, South Brisbane, Australia
| | - Carlos Salomon
- Translational Extracellular Vesicle in Obstetrics and Gynae-Oncology Group, UQ Centre for Clinical Research, Royal Brisbane and Women's Hospital, Faculty of Medicine, The University of Queensland, Australia
- Departamento de Investigación, Postgrado y Educación Continua (DIPEC), Facultad de Ciencias de la Salud, Universidad del Alba, Santiago, Chile
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Bian J, Zhao J, Zhao Y, Hao X, He S, Li Y, Huang L. Impact of individual factors on DNA methylation of drug metabolism genes: A systematic review. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2023; 64:401-415. [PMID: 37522536 DOI: 10.1002/em.22567] [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: 05/04/2023] [Revised: 07/12/2023] [Accepted: 07/26/2023] [Indexed: 08/01/2023]
Abstract
Individual differences in drug response have always existed in clinical treatment. Many non-genetic factors show non-negligible impacts on personalized medicine. Emerging studies have demonstrated epigenetic could connect non-genetic factors and individual treatment differences. We used systematic retrieval methods and reviewed studies that showed individual factors' impact on DNA methylation of drug metabolism genes. In total, 68 studies were included, and half (n = 36) were cohort studies. Six aspects of individual factors were summarized from the perspective of personalized medicine: parental exposure, environmental pollutants exposure, obesity and diet, drugs, gender and others. The most research (n = 11) focused on ABCG1 methylation. The majority of studies showed non-genetic factors could result in a significant DNA methylation alteration in drug metabolism genes, which subsequently affects the pharmacokinetic processes. However, the underlying mechanism remained unknown. Finally, some viewpoints were presented for future research.
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Affiliation(s)
- Jialu Bian
- Department of Pharmacy, People's Hospital of Peking University, Beijing, China
- Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Science, Peking University, Beijing, China
| | - Jinxia Zhao
- Department of Pharmacy, People's Hospital of Peking University, Beijing, China
- Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Science, Peking University, Beijing, China
| | - Yinyu Zhao
- Department of Pharmacy, People's Hospital of Peking University, Beijing, China
- Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Science, Peking University, Beijing, China
| | - Xu Hao
- Department of Pharmacy, People's Hospital of Peking University, Beijing, China
| | - Shiyu He
- Department of Pharmacy, People's Hospital of Peking University, Beijing, China
- Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Science, Peking University, Beijing, China
| | - Yuanyuan Li
- Department of Pharmacy, People's Hospital of Peking University, Beijing, China
| | - Lin Huang
- Department of Pharmacy, People's Hospital of Peking University, Beijing, China
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Pathirana MM, Andraweera PH, Aldridge E, Harrison M, Harrison J, Leemaqz S, Arstall MA, Dekker GA, Roberts CT. The association of breast feeding for at least six months with hemodynamic and metabolic health of women and their children aged three years: an observational cohort study. Int Breastfeed J 2023; 18:35. [PMID: 37468924 DOI: 10.1186/s13006-023-00571-3] [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: 03/02/2022] [Accepted: 06/25/2023] [Indexed: 07/21/2023] Open
Abstract
BACKGROUND Breastfeeding is important for both mother and child in reducing risk of future cardiovascular disease. Therefore, it may be an effective method to improve cardio-metabolic health, particularly those who are exposed to pregnancy complications which increase later CVD risk for both mother and child. The aim of this study is to assess differences in cardiometabolic health at three years postpartum in mothers who breastfed for at least six months and their children compared to those who did not. METHODS Women and children from the Screening Tests to Predict Poor Outcomes of Pregnancy (STOP) study (2015-2017) were invited to attend a health check-up at three years postpartum. Women's breastfeeding status at least six months postpartum was ascertained through their child health record. Anthropometric and hemodynamic measurements were taken from women and their children. A fasting blood sample was taken from women to measure blood glucose and lipids. RESULTS A total of 160 woman-child dyads were assessed in this study. Women who breastfed for at least six months had significantly lower maternal BMI, systolic blood pressure, diastolic blood pressure, mean arterial pressure, central systolic blood pressure, and central diastolic blood pressure than those who did not and this did not change after adjusting for BMI and socioeconomic index in early pregnancy, prenatal smoking and maternal age in early pregnancy. Subgroup analysis on women who had one or more pregnancy complications during the index pregnancy (i.e. preeclampsia, gestational hypertension, delivery of a small for gestational age infant, delivery of a preterm infant, and/or gestational diabetes mellitus) demonstrated that women who breastfed for at least six months had significantly lower maternal systolic and diastolic blood pressures, serum insulin and triglycerides, and higher HDL cholesterol. There were no differences in child anthropometric or hemodynamic variables at three years of age between those children who had been breastfed for at least six months and those who had not. CONCLUSION Breastfeeding for at least six months may reduce some maternal; cardiovascular risk factors in women at three years postpartum, in particular, in those who have experienced a complication of pregnancy. TRIAL REGISTRATION ACTRN12614000985684 (12/09/2014).
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Affiliation(s)
- Maleesa M Pathirana
- Adelaide Medical School, The University of Adelaide, Adelaide, South Australia, 5000, Australia.
- Robinson Research Institute, The University of Adelaide, Adelaide, South Australia, 5005, Australia.
- Department of Cardiology, Lyell McEwin Hospital, Elizabeth Vale, South Australia, 5112, Australia.
| | - Prabha H Andraweera
- Adelaide Medical School, The University of Adelaide, Adelaide, South Australia, 5000, Australia
- Robinson Research Institute, The University of Adelaide, Adelaide, South Australia, 5005, Australia
- Department of Cardiology, Lyell McEwin Hospital, Elizabeth Vale, South Australia, 5112, Australia
| | - Emily Aldridge
- Adelaide Medical School, The University of Adelaide, Adelaide, South Australia, 5000, Australia
- Robinson Research Institute, The University of Adelaide, Adelaide, South Australia, 5005, Australia
- Department of Cardiology, Lyell McEwin Hospital, Elizabeth Vale, South Australia, 5112, Australia
| | - Madeline Harrison
- Flinders Health and Medical Research Institute, Flinders Medical Centre, Flinders University of South Australia, Bedford Park, South Australia, 5042, Australia
| | - Jade Harrison
- Flinders Health and Medical Research Institute, Flinders Medical Centre, Flinders University of South Australia, Bedford Park, South Australia, 5042, Australia
| | - Shalem Leemaqz
- Adelaide Medical School, The University of Adelaide, Adelaide, South Australia, 5000, Australia
- Robinson Research Institute, The University of Adelaide, Adelaide, South Australia, 5005, Australia
- Flinders Health and Medical Research Institute, Flinders Medical Centre, Flinders University of South Australia, Bedford Park, South Australia, 5042, Australia
| | - Margaret A Arstall
- Adelaide Medical School, The University of Adelaide, Adelaide, South Australia, 5000, Australia
- Department of Cardiology, Lyell McEwin Hospital, Elizabeth Vale, South Australia, 5112, Australia
| | - Gustaaf A Dekker
- Adelaide Medical School, The University of Adelaide, Adelaide, South Australia, 5000, Australia
- Robinson Research Institute, The University of Adelaide, Adelaide, South Australia, 5005, Australia
- Division of Women's Health, Lyell McEwin Hospital, Elizabeth Vale, South Australia, 5112, Australia
| | - Claire T Roberts
- Adelaide Medical School, The University of Adelaide, Adelaide, South Australia, 5000, Australia.
- Robinson Research Institute, The University of Adelaide, Adelaide, South Australia, 5005, Australia.
- Flinders Health and Medical Research Institute, Flinders Medical Centre, Flinders University of South Australia, Bedford Park, South Australia, 5042, Australia.
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10
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Pradhan J, Mallick S, Mishra N, Tiwari A, Negi VD. Pregnancy, infection, and epigenetic regulation: A complex scenario. Biochim Biophys Acta Mol Basis Dis 2023:166768. [PMID: 37269984 DOI: 10.1016/j.bbadis.2023.166768] [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: 06/30/2022] [Revised: 03/23/2023] [Accepted: 04/17/2023] [Indexed: 06/05/2023]
Abstract
A unique immunological condition, pregnancy ensures fetus from maternal rejection, allows adequate fetal development, and protects against microorganisms. Infections during pregnancy may lead to devastating consequences for pregnant women and fetuses, resulting in the mother's death, miscarriage, premature childbirth, or neonate with congenital infection and severe diseases and defects. Epigenetic (heritable changes in gene expression) mechanisms like DNA methylation, chromatin modification, and gene expression modulation during gestation are linked with the number of defects in the fetus and adolescents. The feto-maternal crosstalk for fetal survival during the entire gestational stages are tightly regulated by various cellular pathways, including epigenetic mechanisms that respond to both internal as well outer environmental factors, which can influence the fetal development across the gestational stages. Due to the intense physiological, endocrinological, and immunological changes, pregnant women are more susceptible to bacterial, viral, parasitic, and fungal infections than the general population. Microbial infections with viruses (LCMV, SARS-CoV, MERS-CoV, and SARS-CoV-2) and bacteria (Clostridium perfringens, Coxiella burnetii, Listeria monocytogenes, Salmonella enteritidis) further increase the risk to maternal and fetal life and developmental outcome. If the infections remain untreated, the possibility of maternal and fetal death exists. This article focused on the severity and susceptibility to infections caused by Salmonella, Listeria, LCMV, and SARS-CoV-2 during pregnancy and their impact on maternal health and the fetus. How epigenetic regulation during pregnancy plays a vital role in deciding the fetus's developmental outcome under various conditions, including infection and other stress. A better understanding of the host-pathogen interaction, the characterization of the maternal immune system, and the epigenetic regulations during pregnancy may help protect the mother and fetus from infection-mediated outcomes.
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Affiliation(s)
- Jasmin Pradhan
- Laboratory of Infection Immunology, Department of Life Science, National Institute of Technology, Rourkela 769008, Odisha, India.
| | - Swarupa Mallick
- Laboratory of Infection Immunology, Department of Life Science, National Institute of Technology, Rourkela 769008, Odisha, India.
| | - Neha Mishra
- Laboratory of Infection Immunology, Department of Life Science, National Institute of Technology, Rourkela 769008, Odisha, India.
| | - Aman Tiwari
- Vidya Devi Negi, Infection Immunology Laboratory (2i-Lab), Department of Biological Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar, Punjab 140306, India
| | - Vidya Devi Negi
- Vidya Devi Negi, Infection Immunology Laboratory (2i-Lab), Department of Biological Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar, Punjab 140306, India.
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11
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Ju Y, Shen T, Guo Z, Kong Y, Huang Y, Hu J. Identification of methylation-driven genes, circulating miRNAs and their potential regulatory mechanisms in gestational diabetes mellitus. Am J Transl Res 2023; 15:336-349. [PMID: 36777869 PMCID: PMC9908470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 12/06/2022] [Indexed: 02/14/2023]
Abstract
OBJECTIVE Gestational diabetes mellitus (GDM) is a major pregnancy complication. The purpose of this study is to investigate the molecular regulatory mechanisms of GDM. METHODS RNA-seq and methylation data of GDM were retrieved from the Gene Expression Omnibus database. Following principal component analysis (PCA), differentially expressed mRNAs and microRNAs (miRNAs) in the blood were highlighted between GDM and the control. Then, an abnormally expressed miRNA-mRNA network was constructed, based on which a protein-protein interaction (PPI) network was established to identify hub genes. Differentially expressed and methylated genes were identified for GDM, followed by functional enrichment analysis. RESULTS According to PCA results, no outlier samples were found. A total of 35 differentially expressed circulating miRNAs were identified for GDM. The miRNA-mRNA regulatory network consisted of 94 miRNA-mRNA pairs. The PPI network contained 10 hub genes, including HIF1A, TLR2, FOS, IL6R, MYLIP, ABCA1, SELL, BCL3, AP1G1 and NECAP1. Furthermore, 22 down-regulated and hypermethylated genes and 8 up-regulated and hypomethylated genes were identified for GDM, which are related to helper T cell (Th) differentiation. CONCLUSION We identified methylation-driven genes and circulating miRNAs for GDM, which have the potential to serve as novel diagnostic biomarkers.
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Affiliation(s)
- Yuejun Ju
- Department of Endocrinology, The Second Affiliated Hospital of Soochow UniversitySuzhou 215000, Jiangsu, P. R. China,Department of Endocrinology, Changshu No. 2 People’s HospitalChangshu 215500, Jiangsu, P. R. China
| | - Ting Shen
- Department of Endocrinology, Changshu No. 2 People’s HospitalChangshu 215500, Jiangsu, P. R. China
| | - Zhanhong Guo
- Department of Endocrinology, Changshu No. 2 People’s HospitalChangshu 215500, Jiangsu, P. R. China
| | - Yinghong Kong
- Department of Endocrinology, Changshu No. 2 People’s HospitalChangshu 215500, Jiangsu, P. R. China
| | - Yun Huang
- Department of Endocrinology, The Second Affiliated Hospital of Soochow UniversitySuzhou 215000, Jiangsu, P. R. China
| | - Ji Hu
- Department of Endocrinology, The Second Affiliated Hospital of Soochow UniversitySuzhou 215000, Jiangsu, P. R. China
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12
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Chew NWS, Loong SSE, Foo R. Progress in molecular biology and translational science: Epigenetics in cardiovascular health and disease. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2023; 197:105-134. [PMID: 37019589 DOI: 10.1016/bs.pmbts.2023.01.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Conrad Waddington's epigenetics landscape has provided a metaphorical framework for how cells progress from undifferentiated states to one of several discrete, distinct, differentiated cell fates. The understanding of epigenetics has evolved over time, with DNA methylation being the most studied epigenetic modification, followed by histone modifications and non-coding RNA. Cardiovascular diseases (CVD) are leading contributors to death worldwide, with the prevalence of CVDs increasing across the last couple of decades. Significant amount of resources being poured into researching key mechanisms and underpinnings of the various CVDs. These molecular studies looked at the genetics, epigenetics as well as the transcriptomics of various cardiovascular conditions, aiming to provide mechanistic insights. It has paved the way for therapeutics to be developed and in recent years, epi-drugs for the treatment of CVDs. This chapter aims to cover the various roles of epigenetics in the context of cardiovascular health and disease. The following will be examined in detail: the developments in basic experimental techniques used to study epigenetics, the role of epigenetics in various CVDs (hypertension, atrial fibrillation, atherosclerosis, and heart failure), and current advances in epi-therapeutics, providing a holistic view of the current concerted efforts in advancing the field of epigenetics in CVDs.
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Affiliation(s)
- Nicholas W S Chew
- Department of Cardiology, National University Heart Centre, National University Health System, Singapore, Singapore.
| | - Shaun S E Loong
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Roger Foo
- Department of Cardiology, National University Heart Centre, National University Health System, Singapore, Singapore; Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
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13
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Ibrahim HIM. Epigenetic Regulation of Obesity-Associated Type 2 Diabetes. Medicina (B Aires) 2022; 58:medicina58101366. [PMID: 36295527 PMCID: PMC9607337 DOI: 10.3390/medicina58101366] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 09/22/2022] [Accepted: 09/26/2022] [Indexed: 11/16/2022] Open
Abstract
Obesity is becoming more widespread, and epidemics of this condition are now considered present in all developed countries, leading to public health concerns. The dramatic increases in obesity, type 2 diabetes mellitus (T2DM), and related vascular difficulties are causing a public health crisis. Thus, it is imperative that these trends are curbed. Understanding the molecular underpinnings of these diseases is crucial to aiding in their detection or even management. Thus, understanding the mechanisms underlying the interactions between environment, lifestyle, and genetics is important for developing effective strategies for the management of obesity. The focus is on finding the vital role of epigenetic changes in the etiology of obesity. Genome and epigenome-wide approaches have revealed associations with T2DM. The epigenome indicates that there is a systematic link between genetic variants and environmental factors that put people at risk of obesity. The present review focuses on the epigenetic mechanism linked with obesity-associated T2DM. Although the utilization of epigenetic treatments has been discussed with reference to certain cancers, several challenges remain to be addressed for T2DM.
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Affiliation(s)
- Hairul Islam Mohamed Ibrahim
- Department of Biological Science, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia;
- Division of Microbiology and Immunology, Pondicherry Centre for Biological Science and Educational Trust, Puducherry 605004, India
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14
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Dias S, Willmer T, Adam S, Pheiffer C. The role of maternal DNA methylation in pregnancies complicated by gestational diabetes. FRONTIERS IN CLINICAL DIABETES AND HEALTHCARE 2022; 3:982665. [PMID: 36992770 PMCID: PMC10012132 DOI: 10.3389/fcdhc.2022.982665] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 08/22/2022] [Indexed: 11/13/2022]
Abstract
Diabetes in pregnancy is associated with adverse pregnancy outcomes and poses a serious threat to the health of mother and child. Although the pathophysiological mechanisms that underlie the association between maternal diabetes and pregnancy complications have not yet been elucidated, it has been suggested that the frequency and severity of pregnancy complications are linked to the degree of hyperglycemia. Epigenetic mechanisms reflect gene-environment interactions and have emerged as key players in metabolic adaptation to pregnancy and the development of complications. DNA methylation, the best characterized epigenetic mechanism, has been reported to be dysregulated during various pregnancy complications, including pre-eclampsia, hypertension, diabetes, early pregnancy loss and preterm birth. The identification of altered DNA methylation patterns may serve to elucidate the pathophysiological mechanisms that underlie the different types of maternal diabetes during pregnancy. This review aims to provide a summary of existing knowledge on DNA methylation patterns in pregnancies complicated by pregestational type 1 (T1DM) and type 2 diabetes mellitus (T2DM), and gestational diabetes mellitus (GDM). Four databases, CINAHL, Scopus, PubMed and Google Scholar, were searched for studies on DNA methylation profiling in pregnancies complicated with diabetes. A total of 1985 articles were identified, of which 32 met the inclusion criteria and are included in this review. All studies profiled DNA methylation during GDM or impaired glucose tolerance (IGT), while no studies investigated T1DM or T2DM. We highlight the increased methylation of two genes, Hypoxia‐inducible Factor‐3α (HIF3α) and Peroxisome Proliferator-activated Receptor Gamma-coactivator-Alpha (PGC1-α), and the decreased methylation of one gene, Peroxisome Proliferator Activated Receptor Alpha (PPARα), in women with GDM compared to pregnant women with normoglycemia that were consistently methylated across diverse populations with varying pregnancy durations, and using different diagnostic criteria, methodologies and biological sources. These findings support the candidacy of these three differentially methylated genes as biomarkers for GDM. Furthermore, these genes may provide insight into the pathways that are epigenetically influenced during maternal diabetes and which should be prioritized and replicated in longitudinal studies and in larger populations to ensure their clinical applicability. Finally, we discuss the challenges and limitations of DNA methylation analysis, and the need for DNA methylation profiling to be conducted in different types of maternal diabetes in pregnancy.
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Affiliation(s)
- Stephanie Dias
- Biomedical Research and Innovation Platform, South African Medical Research Council, Cape Town, South Africa
| | - Tarryn Willmer
- Biomedical Research and Innovation Platform, South African Medical Research Council, Cape Town, South Africa
- Centre for Cardio-Metabolic Research in Africa, Division of Medical Physiology, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Sumaiya Adam
- Department of Obstetrics and Gynecology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
- Diabetes Research Center, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Carmen Pheiffer
- Biomedical Research and Innovation Platform, South African Medical Research Council, Cape Town, South Africa
- Centre for Cardio-Metabolic Research in Africa, Division of Medical Physiology, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
- Department of Obstetrics and Gynecology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
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15
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Ormazabal V, Nair S, Carrión F, Mcintyre HD, Salomon C. The link between gestational diabetes and cardiovascular diseases: potential role of extracellular vesicles. Cardiovasc Diabetol 2022; 21:174. [PMID: 36057662 PMCID: PMC9441052 DOI: 10.1186/s12933-022-01597-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 08/05/2022] [Indexed: 11/25/2022] Open
Abstract
Extracellular vesicles are critical mediators of cell communication. They encapsulate a variety of molecular cargo such as proteins, lipids, and nucleic acids including miRNAs, lncRNAs, circular RNAs, and mRNAs, and through transfer of these molecular signals can alter the metabolic phenotype in recipient cells. Emerging studies show the important role of extracellular vesicle signaling in the development and progression of cardiovascular diseases and associated risk factors such as type 2 diabetes and obesity. Gestational diabetes mellitus (GDM) is hyperglycemia that develops during pregnancy and increases the future risk of developing obesity, impaired glucose metabolism, and cardiovascular disease in both the mother and infant. Available evidence shows that changes in maternal metabolism and exposure to the hyperglycemic intrauterine environment can reprogram the fetal genome, leaving metabolic imprints that define life-long health and disease susceptibility. Understanding the factors that contribute to the increased susceptibility to metabolic disorders of children born to GDM mothers is critical for implementation of preventive strategies in GDM. In this review, we discuss the current literature on the fetal programming of cardiovascular diseases in GDM and the impact of extracellular vesicle (EV) signaling in epigenetic programming in cardiovascular disease, to determine the potential link between EV signaling in GDM and the development of cardiovascular disease in infants.
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Affiliation(s)
- Valeska Ormazabal
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, UQ Centre for Clinical Research, Royal Brisbane and Women's Hospital, Faculty of Medicine + Biomedical Sciences, The University of Queensland, Building 71/918, Herston, QLD, 4029, Australia.,Faculty of Biological Sciences, Pharmacology Department, University of Concepcion, Concepción, Chile
| | - Soumyalekshmi Nair
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, UQ Centre for Clinical Research, Royal Brisbane and Women's Hospital, Faculty of Medicine + Biomedical Sciences, The University of Queensland, Building 71/918, Herston, QLD, 4029, Australia
| | - Flavio Carrión
- Departamento de Investigación, Postgrado y Educación Continua (DIPEC), Facultad de Ciencias de la Salud, Universidad del Alba, Santiago, Chile
| | - H David Mcintyre
- Mater Research, Faculty of Medicine, University of Queensland, Mater Health, South Brisbane, Australia
| | - Carlos Salomon
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, UQ Centre for Clinical Research, Royal Brisbane and Women's Hospital, Faculty of Medicine + Biomedical Sciences, The University of Queensland, Building 71/918, Herston, QLD, 4029, Australia. .,Departamento de Investigación, Postgrado y Educación Continua (DIPEC), Facultad de Ciencias de la Salud, Universidad del Alba, Santiago, Chile.
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16
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Hjort L, Novakovic B, Cvitic S, Saffery R, Damm P, Desoye G. Placental DNA Methylation in pregnancies complicated by maternal diabetes and/or obesity: State of the Art and research gaps. Epigenetics 2022; 17:2188-2208. [PMID: 35950598 DOI: 10.1080/15592294.2022.2111755] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
SUMMARYMaternal diabetes and/or obesity in pregnancy are undoubtedly associated with later disease-risk in the offspring. The placenta, interposed between the mother and the fetus, is a potential mediator of this risk through epigenetic mechanisms, including DNA methylation. In recent years, multiple studies have identified differentially methylated CpG sites in the placental tissue DNA in pregnancies complicated by diabetes and obesity. We reviewed all published original research relevant to this topic and analyzed our findings with the focus of identifying overlaps, contradictions and gaps. Most studies focused on the association of gestational diabetes and/or hyperglycemia in pregnancy and DNA methylation in placental tissue at term. We identified overlaps in results related to specific candidate genes, but also observed a large research gap of pregnancies affected by type 1 diabetes. Other unanswered questions relate to analysis of specific placental cell types and the timing of DNA methylation change in response to diabetes and obesity during pregnancy. Maternal metabolism is altered already in the first trimester involving structural and functional changes in the placenta, but studies into its effects on placental DNA methylation during this period are lacking and urgently needed. Fetal sex is also an important determinant of pregnancy outcome, but only few studies have taken this into account. Collectively, we provide a reference work for researchers working in this large and evolving field. Based on the results of the literature review, we formulate suggestions for future focus of placental DNA methylation studies in pregnancies complicated by diabetes and obesity.
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Affiliation(s)
- Line Hjort
- Dept. of Obstetrics, Center for Pregnant Women with Diabetes, Rigshospitalet, Copenhagen, Denmark.,Novo Nordisk Foundation Center for Basic Metabolic Research, Environmental Epigenetics Group, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Boris Novakovic
- Murdoch Children's Research Institute, Royal Children's Hospital, Flemington Road, Parkville, Victoria 3052, Australia.,Dept. of Pediatrics, Melbourne University, Melbourne, VIC, Australia
| | - Silvija Cvitic
- Department of Pediatrics and Adolescent Medicine, Research Unit of Analytical Mass Spectrometry, Cell Biology and Biochemistry of Inborn Errors of Metabolism, Medical University of Graz, Austria
| | - Richard Saffery
- Murdoch Children's Research Institute, Royal Children's Hospital, Flemington Road, Parkville, Victoria 3052, Australia.,Dept. of Pediatrics, Melbourne University, Melbourne, VIC, Australia
| | - Peter Damm
- Dept. of Obstetrics, Center for Pregnant Women with Diabetes, Rigshospitalet, Copenhagen, Denmark.,Dept of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Gernot Desoye
- Dept. of Obstetrics, Center for Pregnant Women with Diabetes, Rigshospitalet, Copenhagen, Denmark.,Dept. of Obstetrics and Gynecology, Medical University of Graz, Graz, Austria
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Franzago M, Porreca A, D’Ardes M, Di Nicola M, Di Tizio L, Liberati M, Stuppia L, Vitacolonna E. The Obesogenic Environment: Epigenetic Modifications in Placental Melanocortin 4 Receptor Gene Connected to Gestational Diabetes and Smoking. Front Nutr 2022; 9:879526. [PMID: 35571924 PMCID: PMC9100829 DOI: 10.3389/fnut.2022.879526] [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] [Received: 02/19/2022] [Accepted: 04/11/2022] [Indexed: 12/02/2022] Open
Abstract
Background Maternal metabolic insults as well as Gestational Diabetes Mellitus (GDM) influence the fetal health and may affect ‘offspring’s susceptibility to chronic diseases via epigenetic modifications. GDM, the most common metabolic disorder in pregnancy, can be considered the result of complex interactions between genetic and environmental factors. A critical point in this view is the identification of genes which are epigenetically modified under the influence of GDM. The melanocortin 4 receptor (MC4R) gene plays a crucial role in nutritional health by suppressing appetite and participating in energy control regulation. The correlations between pregnant ‘women’s metabolic profiles and placental epigenetic modifications of this gene have been poorly investigated. Objective The aim of this study was to evaluate the effect of GDM and maternal clinical parameters at the third trimester of pregnancy to DNA methylation levels in the placenta at CpG sites of MC4R gene. Design and Methods Socio-demographic and clinical characteristics, Mediterranean diet adherence, smoking habits, and physical activity were assessed at the third trimester of pregnancy of 60 Caucasian pregnant women, of which 33 with GDM. Clinical parameters of the newborns were recorded at birth. MC4R DNA methylation on maternal and fetal sides of the placenta was analyzed using bisulfite pyrosequencing. Results MC4R DNA methylation levels at CpG1 and CpG2 were lower on the fetal side of the placenta in GDM-affected women than in non-GDM-affected recruits (p = 0.033). Moreover, DNA methylation levels on the maternal side at CpG1 were positively related to glucose concentration at 2-h oral glucose tolerance test (OGTT). On the other hand, CpG2 DNA methylation was positively related to both 1-h and 2-h during OGTT. Maternal DNA methylation level at CpG2 was also associated with low density lipoprotein cholesterol (LDL-C) at the third trimester of pregnancy (rho = 0.340, p < 0.05), while CpG1 methylation was negatively related to maternal weight variations at delivery (rho = −0.316, p < 0.05). Significant associations between MC4R DNA methylation on the maternal side and lipid profile at third trimester of pregnancy in women smokers were found. Conclusion Our results suggest that MC4R methylation profile in the placenta is related to maternal metabolic and nutritional conditions, potentially affecting fetal programming and the future metabolic health of the newborn.
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Affiliation(s)
- Marica Franzago
- Department of Medicine and Aging, School of Medicine and Health Sciences, “G. d’Annunzio” University, Chieti, Italy
- Center for Advanced Studies and Technology, “G. d’Annunzio” University, Chieti, Italy
| | - Annamaria Porreca
- Laboratory of Biostatistics, Department of Medical, Oral and Biotechnological Sciences, “G. d’Annunzio” University, Chieti, Italy
| | - Mario D’Ardes
- Department of Medicine and Aging, School of Medicine and Health Sciences, “G. d’Annunzio” University, Chieti, Italy
| | - Marta Di Nicola
- Laboratory of Biostatistics, Department of Medical, Oral and Biotechnological Sciences, “G. d’Annunzio” University, Chieti, Italy
| | - Luciano Di Tizio
- Department of Obstetrics and Gynaecology, SS. Annunziata Hospital, “G. d’Annunzio” University, Chieti, Italy
| | - Marco Liberati
- Department of Medicine and Aging, School of Medicine and Health Sciences, “G. d’Annunzio” University, Chieti, Italy
| | - Liborio Stuppia
- Center for Advanced Studies and Technology, “G. d’Annunzio” University, Chieti, Italy
- Department of Psychological, Health and Territorial Sciences, School of Medicine and Health Sciences, “G. d’Annunzio” University, Chieti, Italy
| | - Ester Vitacolonna
- Department of Medicine and Aging, School of Medicine and Health Sciences, “G. d’Annunzio” University, Chieti, Italy
- Center for Advanced Studies and Technology, “G. d’Annunzio” University, Chieti, Italy
- *Correspondence: Ester Vitacolonna,
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Wang WJ, Huang R, Zheng T, Du Q, Yang MN, Xu YJ, Liu X, Tao MY, He H, Fang F, Li F, Fan JG, Zhang J, Briollais L, Ouyang F, Luo ZC. Genome-Wide Placental Gene Methylations in Gestational Diabetes Mellitus, Fetal Growth and Metabolic Health Biomarkers in Cord Blood. Front Endocrinol (Lausanne) 2022; 13:875180. [PMID: 35721735 PMCID: PMC9204344 DOI: 10.3389/fendo.2022.875180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 04/21/2022] [Indexed: 12/03/2022] Open
Abstract
Gestational diabetes mellitus (GDM) "program" an elevated risk of metabolic syndrome in the offspring. Epigenetic alterations are a suspected mechanism. GDM has been associated with placental DNA methylation changes in some epigenome-wide association studies. It remains unclear which genes or pathways are affected, and whether any placental differential gene methylations are correlated to fetal growth or circulating metabolic health biomarkers. In an epigenome-wide association study using the Infinium MethylationEPIC Beadchip, we sought to identify genome-wide placental differentially methylated genes and enriched pathways in GDM, and to assess the correlations with fetal growth and metabolic health biomarkers in cord blood. The study samples were 30 pairs of term placentas in GDM vs. euglycemic pregnancies (controls) matched by infant sex and gestational age at delivery in the Shanghai Birth Cohort. Cord blood metabolic health biomarkers included insulin, C-peptide, proinsulin, IGF-I, IGF-II, leptin and adiponectin. Adjusting for maternal age, pre-pregnancy BMI, parity, mode of delivery and placental cell type heterogeneity, 256 differentially methylated positions (DMPs,130 hypermethylated and 126 hypomethylated) were detected between GDM and control groups accounting for multiple tests with false discovery rate <0.05 and beta-value difference >0.05. WSCD2 was identified as a differentially methylated gene in both site- and region-level analyses. We validated 7 hypermethylated (CYP1A2, GFRA1, HDAC4, LIMS2, NAV3, PAX6, UPK1B) and 10 hypomethylated (DPP10, CPLX1, CSMD2, GPR133, NRXN1, PCSK9, PENK, PRDM16, PTPRN2, TNXB) genes reported in previous epigenome-wide association studies. We did not find any enriched pathway accounting for multiple tests. DMPs in 11 genes (CYP2D7P1, PCDHB15, ERG, SIRPB1, DKK2, RAPGEF5, CACNA2D4, PCSK9, TSNARE1, CADM2, KCNAB2) were correlated with birth weight (z score) accounting for multiple tests. There were no significant correlations between placental gene methylations and cord blood biomarkers. In conclusions, GDM was associated with DNA methylation changes in a number of placental genes, but these placental gene methylations were uncorrelated to the observed metabolic health biomarkers (fetal growth factors, leptin and adiponectin) in cord blood. We validated 17 differentially methylated placental genes in GDM, and identified 11 differentially methylated genes relevant to fetal growth.
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Affiliation(s)
- Wen-Juan Wang
- Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health, Early Life Health Institute, and Department of Pediatrics, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
- Lunenfeld-Tanenbaum Research Institute, Prosserman Centre for Population Health Research, Department of Obstetrics and Gynecology, Mount Sinai Hospital, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Clinical Skills Center, School of Clinical Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
| | - Rong Huang
- Lunenfeld-Tanenbaum Research Institute, Prosserman Centre for Population Health Research, Department of Obstetrics and Gynecology, Mount Sinai Hospital, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Tao Zheng
- Department of Obstetrics and Gynecology, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Qinwen Du
- Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health, Early Life Health Institute, and Department of Pediatrics, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
- Department of Obstetrics and Gynecology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Meng-Nan Yang
- Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health, Early Life Health Institute, and Department of Pediatrics, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Ya-Jie Xu
- Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health, Early Life Health Institute, and Department of Pediatrics, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Xin Liu
- Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health, Early Life Health Institute, and Department of Pediatrics, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Min-Yi Tao
- Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health, Early Life Health Institute, and Department of Pediatrics, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Hua He
- Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health, Early Life Health Institute, and Department of Pediatrics, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Fang Fang
- Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health, Early Life Health Institute, and Department of Pediatrics, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Fei Li
- Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health, Early Life Health Institute, and Department of Pediatrics, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Jian-Gao Fan
- Center for Fatty Liver, Shanghai Key Lab of Pediatric Gastroenterology and Nutrition, Department of Gastroenterology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jun Zhang
- Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health, Early Life Health Institute, and Department of Pediatrics, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Laurent Briollais
- Lunenfeld-Tanenbaum Research Institute, Prosserman Centre for Population Health Research, Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Fengxiu Ouyang
- Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health, Early Life Health Institute, and Department of Pediatrics, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
- *Correspondence: Zhong-Cheng Luo, ; Fengxiu Ouyang,
| | - Zhong-Cheng Luo
- Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health, Early Life Health Institute, and Department of Pediatrics, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
- Lunenfeld-Tanenbaum Research Institute, Prosserman Centre for Population Health Research, Department of Obstetrics and Gynecology, Mount Sinai Hospital, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- *Correspondence: Zhong-Cheng Luo, ; Fengxiu Ouyang,
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19
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Maternal malnutrition and anaemia in India: dysregulations leading to the 'thin-fat' phenotype in newborns. J Nutr Sci 2021; 10:e91. [PMID: 34733503 PMCID: PMC8532069 DOI: 10.1017/jns.2021.83] [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: 02/16/2021] [Revised: 09/05/2021] [Accepted: 09/10/2021] [Indexed: 12/21/2022] Open
Abstract
Maternal and child malnutrition and anaemia remain the leading factors for health loss in India. Low birth weight (LBW) offspring of women suffering from chronic malnutrition and anaemia often exhibit insulin resistance and infantile stunting and wasting, together with increased risk of developing cardiometabolic disorders in adulthood. The resulting self-perpetuating and highly multifactorial disease burden cannot be remedied through uniform dietary recommendations alone. To inform approaches likely to alleviate this disease burden, we implemented a systems-analytical approach that had already proven its efficacy in multiple published studies. We utilised previously published qualitative and quantitative analytical results of rural and urban field studies addressing maternal and infantile metabolic and nutritional parameters to precisely define the range of pathological phenotypes encountered and their individual biological characteristics. These characteristics were then integrated, via extensive literature searches, into metabolic and physiological mechanisms to identify the maternal and foetal metabolic dysregulations most likely to underpin the ‘thin-fat’ phenotype in LBW infants and its associated pathological consequences. Our analyses reveal hitherto poorly understood maternal nutrition-dependent mechanisms most likely to promote and sustain the self-perpetuating high disease burden, especially in the Indian population. This work suggests that it most probably is the metabolic consequence of ‘ill-nutrition’ – the recent and rapid dietary shifts to high salt, high saturated fats and high sugar but low micronutrient diets – over an adaptation to ‘thrifty metabolism’ which must be addressed in interventions aiming to significantly alleviate the leading risk factors for health deterioration in India.
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Key Words
- 5-mTHF, 5-methyltetrahydrofolate
- Anaemia
- BAT, brown adipocyte tissue
- EAA, essential amino acids
- FA, fatty acid
- GSH, glutathione
- Hcy, homocysteine
- LBW, low birth weight
- Low birth weight
- Malnutrition
- PE, phosphatidylethanolamine
- Pathological mechanisms
- Physiological programming
- SAM, S-adenosyl methionine
- TG, triacylglycerol
- WAT, white adipocyte tissue
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20
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Abstract
ABC transporters are a large family of membrane proteins that transport chemically diverse substrates across the cell membrane. Disruption of transport mechanisms mediated by ABC transporters causes the development of various diseases, including atherosclerosis. Methods: A bioinformatic analysis of a dataset from Gene Expression Omnibus (GEO) was performed. A GEO dataset containing data on gene expression levels in samples of atherosclerotic lesions and control arteries without atherosclerotic lesions from carotid, femoral, and infrapopliteal arteries was used for analysis. To evaluate differentially expressed genes, a bioinformatic analysis was performed in comparison groups using the limma package in R (v. 4.0.2) and the GEO2R and Phantasus tools (v. 1.11.0). Results: The obtained data indicate the differential expression of many ABC transporters belonging to different subfamilies. The differential expressions of ABC transporter genes involved in lipid transport, mechanisms of multidrug resistance, and mechanisms of ion exchange are shown. Differences in the expression of transporters in tissue samples from different arteries are established. Conclusions: The expression of ABC transporter genes demonstrates differences in atherosclerotic samples and normal arteries, which may indicate the involvement of transporters in the pathogenesis of atherosclerosis.
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21
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Bucher M, Montaniel KRC, Myatt L, Weintraub S, Tavori H, Maloyan A. Dyslipidemia, insulin resistance, and impairment of placental metabolism in the offspring of obese mothers. J Dev Orig Health Dis 2021; 12:738-747. [PMID: 33185172 PMCID: PMC8606174 DOI: 10.1017/s2040174420001026] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Obesity is a chronic condition associated with dyslipidemia and insulin resistance. Here, we show that the offspring of obese mothers are dyslipidemic and insulin resistant from the outset.Maternal and cord blood and placental tissues were collected following C-section at term. Patients were grouped as being normal weight (NW, BMI = 18-24.9) or obese (OB, BMI ≥ 30), and separated by fetal sex. We measured plasma lipids, insulin, and glucose in maternal and cord blood. Insulin resistance was quantified using the HOMA-IR. Placental markers of lipid and energy metabolism and relevant metabolites were measured by western blot and metabolomics, respectively.For OB women, total cholesterol was decreased in both maternal and cord blood, while HDL was decreased only in cord blood, independent of sex. In babies born to OB women, cord blood insulin and insulin resistance were increased. Placental protein expression of the energy and lipid metabolism regulators PGC1α, and SIRT3, ERRα, CPT1α, and CPT2 decreased with maternal obesity in a sex-dependent manner (P < 0.05). Metabolomics showed lower levels of acylcarnitines C16:0, C18:2, and C20:4 in OB women's placentas, suggesting a decrease in β-oxidation. Glutamine, glutamate, alpha-ketoglutarate (αKG), and 2-hydroxyglutarate (2-HG) were increased, and the glutamine-to-glutamate ratio decreased (P < 0.05), in OB placentas, suggesting induction of glutamate into αKG conversion to maintain a normal metabolic flux.Newly-born offspring of obese mothers begin their lives dyslipidemic and insulin resistant. If not inherited genetically, such major metabolic perturbations might be explained by abnormal placental metabolism with potential long-term adverse consequences for the offspring's health and wellbeing.
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Affiliation(s)
- Matthew Bucher
- Knight Cardiovascular Institute, School of Medicine, Oregon Health & Science University, Portland, OR, USA
- Department of OB/GYN, Oregon Health & Science University, Portland, OR, USA
| | - Kim Ramil C. Montaniel
- Knight Cardiovascular Institute, School of Medicine, Oregon Health & Science University, Portland, OR, USA
- The Graduate Program in Biomedical Sciences (PBMS), Oregon Health & Science University, Portland, OR, USA
| | - Leslie Myatt
- Department of OB/GYN, Oregon Health & Science University, Portland, OR, USA
| | - Susan Weintraub
- Department of Biochemistry, The Metabolomics Core Facility, Institutional Mass Spectrometry Laboratory, University of Texas Health, San Antonio, TX, USA
| | - Hagai Tavori
- Knight Cardiovascular Institute, School of Medicine, Oregon Health & Science University, Portland, OR, USA
| | - Alina Maloyan
- Knight Cardiovascular Institute, School of Medicine, Oregon Health & Science University, Portland, OR, USA
- The Graduate Program in Biomedical Sciences (PBMS), Oregon Health & Science University, Portland, OR, USA
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22
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Copur S, Rossing P, Afsar B, Sag AA, Siriopol D, Kuwabara M, Ortiz A, Kanbay M. A primer on metabolic memory: why existing diabesity treatments fail. Clin Kidney J 2021; 14:756-767. [PMID: 34512957 PMCID: PMC8422888 DOI: 10.1093/ckj/sfaa143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Indexed: 11/28/2022] Open
Abstract
Despite massive government and private sector investments into prevention of cardiovascular disease, diabetes mellitus and obesity, efforts have largely failed, and the burden of cost remains in the treatment of downstream morbidity and mortality, with overall stagnating outcomes. A new paradigm shift in the approach to these patients may explain why existing treatment strategies fail, and offer new treatment targets. This review aims to provide a clinician-centred primer on metabolic memory, defined as the sum of irreversible genetic, epigenetic, cellular and tissue-level alterations that occur with long-time exposure to metabolic derangements.
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Affiliation(s)
- Sidar Copur
- Department of Medicine, Koc University School of Medicine, Istanbul, Turkey
| | - Peter Rossing
- Steno Diabetes Center Copenhagen, University of Copenhagen, Copenhagen, Denmark
| | - Baris Afsar
- Department of Internal Medicine, Division of Nephrology, Suleyman Demirel University School of Medicine, Isparta, Turkey
| | - Alan A Sag
- Department of Radiology, Division of Vascular and Interventional Radiology, Duke University Medical Center, Durham, NC, USA
| | - Dimitrie Siriopol
- Nephrology Clinic, Dialysis and Renal Transplant Center, 'C.I. PARHON' University Hospital, 'Grigore T. Popa' University of Medicine, Iasi, Romania
| | | | - Alberto Ortiz
- School of Medicine, Dialysis Unit, IIS-Fundacion Jimenez Diaz, Universidad Autónoma de Madrid, Madrid, Spain
| | - Mehmet Kanbay
- Department of Medicine, Division of Nephrology, Koc University School of Medicine, Istanbul, Turkey
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23
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Franzago M, Fraticelli F, Marchioni M, Di Nicola M, Di Sebastiano F, Liberati M, Stuppia L, Vitacolonna E. Fat mass and obesity-associated (FTO) gene epigenetic modifications in gestational diabetes: new insights and possible pathophysiological connections. Acta Diabetol 2021; 58:997-1007. [PMID: 33743080 PMCID: PMC8272710 DOI: 10.1007/s00592-020-01668-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 12/26/2020] [Indexed: 12/16/2022]
Abstract
AIMS Gestational diabetes mellitus (GDM) can lead to short- and long-term complications for the child. Epigenetic alterations could contribute to explaining the metabolic disturbances associated with foetal programming. Although the role of the FTO gene remains unclear, it affects metabolic phenotypes probably mediated by epigenetic mechanisms. The aim of this study was to assess whether placental DNA epigenetic modifications at FTO promoter-associated cysteine-phosphate-guanine (CpG) sites are correlated with GDM. A secondary aim was to evaluate the association between the placental FTO DNA methylation and the maternal metabolic traits in women with and without GDM. METHODS Socio-demographic characteristics, clinical parameters at the third trimester of pregnancy, Mediterranean diet adherence, and physical activity were assessed in 33 GDM women and 27 controls. Clinical information about the newborns was registered at birth. The FTO rs9939609 (T > A) was genotyped. RESULTS No association between FTO DNA methylation and GDM was found. DNA methylation on the maternal side at the CpG1 was associated with maternal smoking in GDM (p = 0.034), and DNA methylation at the CpG3 was correlated with smoking or former smoking in controls (p = 0.023). A higher level of TGs was correlated with higher foetal placental DNA methylation at the CpG2 (p = 0.036) in GDM. An inverse association between HDL-C and maternal placental DNA methylation at the CpG3 in controls (p = 0.045) was found. An association between FTO rs9939609 and neonatal birthweight (p = 0.033) was detected. CONCLUSIONS In the awareness that the obesity pathophysiology is complex, the study adds a piece to this intricate mosaic.
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Affiliation(s)
- Marica Franzago
- Department of Medicine and Aging, School of Medicine and Health Sciences, "G. D'Annunzio" University, Chieti-Pescara, Via dei Vestini, 66100, Chieti, Italy
- Center for Advanced Studies and Technology (CAST), "G. D'Annunzio" University, Chieti-Pescara, Chieti, Italy
| | - Federica Fraticelli
- Department of Medicine and Aging, School of Medicine and Health Sciences, "G. D'Annunzio" University, Chieti-Pescara, Via dei Vestini, 66100, Chieti, Italy
| | - Michele Marchioni
- Laboratory of Biostatistics, Department of Medical, Oral and Biotechnological Sciences, "G.D'Annunzio" University, Chieti-Pescara, Chieti, Italy
| | - Marta Di Nicola
- Laboratory of Biostatistics, Department of Medical, Oral and Biotechnological Sciences, "G.D'Annunzio" University, Chieti-Pescara, Chieti, Italy
| | - Francesca Di Sebastiano
- Department of Obstetric and Gynaecology, SS. Annunziata Hospital, "G. D'Annunzio" University, Chieti-Pescara, Chieti, Italy
| | - Marco Liberati
- Department of Medicine and Aging, School of Medicine and Health Sciences, "G. D'Annunzio" University, Chieti-Pescara, Via dei Vestini, 66100, Chieti, Italy
| | - Liborio Stuppia
- Center for Advanced Studies and Technology (CAST), "G. D'Annunzio" University, Chieti-Pescara, Chieti, Italy
- Department of Psychological, Health and Territorial Sciences, School of Medicine and Health Sciences, "G. D'Annunzio" University, Chieti-Pescara, Chieti, Italy
| | - Ester Vitacolonna
- Department of Medicine and Aging, School of Medicine and Health Sciences, "G. D'Annunzio" University, Chieti-Pescara, Via dei Vestini, 66100, Chieti, Italy.
- Center for Advanced Studies and Technology (CAST), "G. D'Annunzio" University, Chieti-Pescara, Chieti, Italy.
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24
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Chen C, Jiang Y, Yan T, Chen Y, Yang M, Lv M, Xi F, Lu J, Zhao B, Luo Q. Placental maternally expressed gene 3 differentially methylated region methylation profile is associated with maternal glucose concentration and newborn birthweight. J Diabetes Investig 2021; 12:1074-1082. [PMID: 33090678 PMCID: PMC8169366 DOI: 10.1111/jdi.13432] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/14/2020] [Accepted: 10/05/2020] [Indexed: 12/17/2022] Open
Abstract
AIMS/INTRODUCTION Emerging evidence shows that epigenetic modifications occurring during fetal development in response to intrauterine exposures could be one of the mechanisms involved in the early determinants of adult metabolic disorders. This study aimed to investigate whether the placental maternally expressed gene 3 (MEG3) deoxyribonucleic acid (DNA) methylation profile is associated with maternal gestational diabetes mellitus status and newborn birthweight. MATERIALS AND METHODS Samples for measurement were collected from 23 women with gestational diabetes mellitus and 23 healthy controls. MEG3 gene expression and DNA methylation levels were assessed using quantitative real-time polymerase chain reaction and MethylTargetTM, respectively. Pearson correlation analyses were used to examine associations between placental DNA methylation levels and clinical variables of interest. The associated results were adjusted by multivariate linear regression for maternal age, body mass index, height, gestational age and newborn sex as confounders. RESULTS We found that the DNA methylation levels in the MEG3 differentially methylated region were significantly different between the gestational diabetes mellitus and control groups on the maternal side of the placenta (40.64 ± 2.15 vs 38.33 ± 2.92; P = 0.004). Furthermore, the mean MEG3 DNA methylation levels were correlated positively with maternal fasting glucose concentrations (R = 0.603, P < 0.001) and newborn birthweight (R = 0.568, P < 0.001). CONCLUSIONS The placental DNA methylation status in the MEG3 differentially methylated region was correlated with maternal glucose concentrations and newborn birthweight. These epigenetic adaptations might contribute to late-onset obesity, underlining the adverse intrauterine environment.
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Affiliation(s)
- Cheng Chen
- Department of ObstetricsWomen’s HospitalZhejiang University School of MedicineHangzhouChina
| | - Ying Jiang
- Department of ObstetricsWomen’s HospitalZhejiang University School of MedicineHangzhouChina
| | - Ting Yan
- Jinhua Municipal Central HospitalJinhuaChina
| | - Yuan Chen
- Department of ObstetricsWomen’s HospitalZhejiang University School of MedicineHangzhouChina
| | - Mengmeng Yang
- Department of ObstetricsWomen’s HospitalZhejiang University School of MedicineHangzhouChina
| | - Min Lv
- Department of ObstetricsWomen’s HospitalZhejiang University School of MedicineHangzhouChina
| | - Fangfang Xi
- Department of ObstetricsWomen’s HospitalZhejiang University School of MedicineHangzhouChina
| | - Juefei Lu
- Department of ObstetricsWomen’s HospitalZhejiang University School of MedicineHangzhouChina
| | - Baihui Zhao
- Department of ObstetricsWomen’s HospitalZhejiang University School of MedicineHangzhouChina
| | - Qiong Luo
- Department of ObstetricsWomen’s HospitalZhejiang University School of MedicineHangzhouChina
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25
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Kunysz M, Mora-Janiszewska O, Darmochwał-Kolarz D. Epigenetic Modifications Associated with Exposure to Endocrine Disrupting Chemicals in Patients with Gestational Diabetes Mellitus. Int J Mol Sci 2021; 22:ijms22094693. [PMID: 33946662 PMCID: PMC8124363 DOI: 10.3390/ijms22094693] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 04/22/2021] [Accepted: 04/26/2021] [Indexed: 12/27/2022] Open
Abstract
Gestational diabetes mellitus (GDM) remains a significant clinical and public health issue due to its increasing prevalence and the possibility for numerous short- and long-term complications. The growing incidence of GDM seems to coincide with the widespread use of endocrine disrupting chemicals (EDCs). The extensive production and common use of these substances in everyday life has resulted in constant exposure to harmful substances from the environment. That may result in epigenetic changes, which may manifest themselves also after many years and be passed on to future generations. It is important to consider the possible link between environmental exposure to endocrine disrupting chemicals (EDCs) during pregnancy, epigenetic mechanisms and an increased risk for developing gestational diabetes mellitus (GDM). This manuscript attempts to summarize data on epigenetic changes in pregnant women suffering from gestational diabetes in association with EDCs. There is a chance that epigenetic marks may serve as a tool for diagnostic, prognostic, and therapeutic measures.
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26
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An F, Liu C, Wang X, Li T, Fu H, Bao B, Cong H, Zhao J. Effect of ABCA1 promoter methylation on premature coronary artery disease and its relationship with inflammation. BMC Cardiovasc Disord 2021; 21:78. [PMID: 33557767 PMCID: PMC7869242 DOI: 10.1186/s12872-021-01894-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 01/22/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND ATP-binding cassette transporter A1 (ABCA1) plays a major role in high-density lipoprotein (HDL) metabolism and reverse cholesterol transport (RCT) and exerts anti-inflammatory effects. Increased ABCA1 promoter methylation level may result in the progression of coronary artery disease. Thus, the present study investigated the association between promoter methylation status of ABCA1 and inflammation in the development of premature coronary artery disease (pCAD). METHODS PCAD patients and healthy individuals (n = 90 each) were recruited from the Characteristic Medical Center of the Chinese People's Armed Police Force from June to December 2019. Using pyrosequencing, the levels of ABCA1 promoter methylation in their blood samples were evaluated. Serum concentrations of lipids, interleukin 1β (IL-1β), C-reactive protein (CRP), and circulating free DNA/Neutrophil extracellular traps (cfDNA/NETs) were also routinely measured and compared between the two groups. P values < 0.05 were considered statistically significant. RESULTS The mean ABCA1 promoter methylation levels were significantly higher in the pCAD group than in the control group (44.24% ± 3.66 vs. 36.05% ± 2.99, P < 0.001). Based on binary logistic regression analysis, ABCA1 promoter methylation level was identified as an independent risk factor for pCAD development (odds ratio = 2.878, 95% confidence interval: 1.802-4.594, P < 0.001). Furthermore, ABCA1 promoter methylation levels were negatively correlated with HDL levels (r = - 0.488, P < 0.001) and positively correlated with the levels of CRP, cfDNA/NETs, and IL-1β (r = 0.389, 0.404, 0.385, respectively; P < 0.001). Multiple regression analysis showed that the serum levels of CRP, IL-1β, and cfDNA/NETs independently affect ABCA1 promoter methylation. CONCLUSIONS Our findings indicate that high methylation levels at the ABCA1 promoter are associated with low HDL cholesterol levels and an increased risk of pCAD. Inflammatory factors and NETs may be involved in the progression of pCAD by affecting ABCA1 promoter methylation levels.
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Affiliation(s)
- Fang An
- Graduate School, Tianjin Medical University, Tianjin, 300070, China.,Department of Military General Medicine, Characteristic Medical Center of Chinese People's Armed Police Force, Tianjin, 300162, China
| | - Chao Liu
- Institute of Cardiovascular disease, Tianjin Chest Hospital, Tianjin, 300222, China
| | - Xiujuan Wang
- Institute of Cardiovascular Disease, Characteristic Medical Center of Chinese People's Armed Police Force, Tianjin, 300162, China
| | - Tan Li
- Department of Pathogen Biology, Logistics University of Chinese People's Armed Police Force, Tianjin, 300309, China
| | - Hao Fu
- Department of Military General Medicine, Characteristic Medical Center of Chinese People's Armed Police Force, Tianjin, 300162, China
| | - Buhe Bao
- Department of Clinical Laboratory, Characteristic Medical Center of Chinese People's Armed Police Force, Tianjin, 300162, China
| | - Hongliang Cong
- Institute of Cardiovascular disease, Tianjin Chest Hospital, Tianjin, 300222, China. .,Department of Cardiology, Tianjin Chest Hospital, Tianjin, 300222, China.
| | - Jihong Zhao
- Department of Military General Medicine, Characteristic Medical Center of Chinese People's Armed Police Force, Tianjin, 300162, China.
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27
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Wilhelm J, Birkenstock A, Buchholz V, Müller A, Aly SA, Gruner-Labitzke K, Koehler H, Lichtinghagen R, Jahn K, Groh A, Kahl KG, de Zwaan M, Hillemacher T, Bleich S, Frieling H. Promoter Methylation of LEP and LEPR before and after Bariatric Surgery: A Cross-Sectional Study. Obes Facts 2021; 14:1-7. [PMID: 33530087 PMCID: PMC7983678 DOI: 10.1159/000511918] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 09/25/2020] [Indexed: 12/22/2022] Open
Abstract
INTRODUCTION DNA methylation constitutes one important epigenetic mechanism that regulates gene expression in human cells. With regard to obesity, bariatric surgery-induced weight loss has been associated with promoter methylation changes in several genes. Hyperleptinemia is a characteristic feature of obesity. The underlying regulating mechanisms have not yet been completely elucidated. METHODS We investigated the methylation of the promoters of the leptin gene (LEP) and the leptin receptor gene (LEPR) as well as leptin expression in pre- and postbariatric surgery patients using a comparative cross-sectional design. RESULTS Our results revealed significantly higher LEP promoter methylation patterns in prebariatric surgery patients compared to postoperatively. DNA methylation of the LEPR promoter was significantly higher in the postoperative group. Moreover, we found significantly higher leptin serum levels in patients before the bariatric surgery than afterwards. DISCUSSION These findings strengthen the suggestion that there is an association between LEP expression and LEP methylation in obesity. We suggest that the epigenetic profile of LEP might be influenced by leptin serum levels in the form of a regulating feedback mechanism.
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Affiliation(s)
- Julia Wilhelm
- Department of Psychiatry, Social Psychiatry, and Psychotherapy, Hannover Medical School, Hannover, Germany
- Outpatient Treatment Center (ABC), Paracelsus Medical University, Nuremberg, Germany
| | - Anna Birkenstock
- Department of Psychiatry, Social Psychiatry, and Psychotherapy, Hannover Medical School, Hannover, Germany,
| | - Vanessa Buchholz
- Department of Psychiatry, Social Psychiatry, and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Astrid Müller
- Department of Psychosomatic Medicine and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Sherif Adel Aly
- Department of Surgery, Herzogin Elisabeth Hospital, Braunschweig, Germany
| | | | - Hinrich Koehler
- Department of Surgery, Herzogin Elisabeth Hospital, Braunschweig, Germany
| | - Ralf Lichtinghagen
- Institute of Clinical Chemistry, Hannover Medical School, Hannover, Germany
| | - Kirsten Jahn
- Department of Psychiatry, Social Psychiatry, and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Adrian Groh
- Department of Psychiatry, Social Psychiatry, and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Kai G Kahl
- Department of Psychiatry, Social Psychiatry, and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Martina de Zwaan
- Department of Psychosomatic Medicine and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Thomas Hillemacher
- Department of Psychiatry, Social Psychiatry, and Psychotherapy, Hannover Medical School, Hannover, Germany
- Department of Psychiatry and Psychotherapy, Paracelsus Medical University, Nuremberg, Germany
| | - Stefan Bleich
- Department of Psychiatry, Social Psychiatry, and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Helge Frieling
- Department of Psychiatry, Social Psychiatry, and Psychotherapy, Hannover Medical School, Hannover, Germany
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28
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Li Y, Zhang Q, Di Zhang, Cai Q, Fan J, Venners SA, Jiang S, Li J, Xu X. The effect of ABCA1 gene DNA methylation on blood pressure levels in a Chinese hyperlipidemic population. J Hum Hypertens 2021; 35:1139-1148. [PMID: 33462393 DOI: 10.1038/s41371-020-00479-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 06/08/2020] [Accepted: 12/11/2020] [Indexed: 11/09/2022]
Abstract
Hypertension is an important public health challenge worldwide. Epigenetic studies are providing novel insight into the underlying mechanisms of hypertension. We investigated the effect of DNA methylation in ATP-binding cassette transporter 1 (ABCA1) gene on blood pressure levels in a Chinese hyperlipidemic population. We randomly selected 211 individuals with hyperlipidemia who had not received any lipid-lowering treatment at baseline from our previous statin pharmacogenetics study (n = 734). DNA methylation loci at the ABCA1 gene were measured by MethylTarget, a next generation bisulfite sequencing-based multiple targeted cytosine-guanine dinucleotide methylation analysis method. Mean DNA methylation level was used in statistical analysis. In all subjects, higher mean ABCA1_B methylation was positively associated with systolic blood pressure (SBP) (β = 8.27, P = 0.008; β = 8.78, P = 0.005) and explained 2.7% and 5.8% of SBP variation before and after adjustment for lipids, respectively. We further divided all patients into three groups based on the tertile of body mass index (BMI) distribution. In the middle tertile of BMI, there was a significantly positive relationship between mean ABCA1_A methylation and SBP (β = 0.89, P = 0.003) and DBP (β = 0.32, P = 0.030). Mean ABCA1_A methylation explained 11.0% of SBP variation and 5.3% of DBP variation, respectively. Furthermore, mean ABCA1_A methylation (β = 0.79; P = 0.007) together with age and gender explained up to 24.1% of SBP variation. Our study provides new evidence that the ABCA1 DNA methylation profile is associated with blood pressure levels, which highlights that DNA methylation might be a significant molecular mechanism involved in the pathophysiological process of hypertension.
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Affiliation(s)
- Yajie Li
- School of Life Sciences, Anhui University, Hefei, China
| | - Qian Zhang
- School of Life Sciences, Anhui University, Hefei, China
| | - Di Zhang
- School of Life Sciences, Anhui University, Hefei, China
| | - Qianru Cai
- School of Life Sciences, Anhui University, Hefei, China
| | - Juanlin Fan
- School of Life Sciences, Anhui University, Hefei, China
| | - Scott A Venners
- Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, Canada
| | - Shanqun Jiang
- School of Life Sciences, Anhui University, Hefei, China. .,Institute of Biomedicine, Anhui Medical University, Hefei, China.
| | - Jianping Li
- Department of Cardiology, Peking University First Hospital, Beijing, China.
| | - Xiping Xu
- Institute of Biomedicine, Anhui Medical University, Hefei, China.,National Clinical Research Study Center for Kidney Disease, State Key Laboratory for Organ Failure Research, Renal Division, Nanfang Hospital, Southern Medical University, Guangzhou, China
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29
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Trumpff C, Sturm G, Picard M, Foss S, Lee S, Feng T, Cardenas A, McCormack C, Champagne FA, Monk C. Added sugar intake during pregnancy: Fetal behavior, birth outcomes, and placental DNA methylation. Dev Psychobiol 2021; 63:878-889. [PMID: 33415750 DOI: 10.1002/dev.22088] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 11/23/2020] [Accepted: 12/20/2020] [Indexed: 12/11/2022]
Abstract
Pregnancy is a critical time for the effects of environmental factors on children's development. The effect of added sugar intake on fetal development and pregnancy outcomes remains understudied despite increasing dietary intake in the United States. This study investigated the effect of added sugar on fetal programming by examining the association between maternal added sugar consumption, fetal movement, birth outcomes, and placental DNA methylation. Further, primary human fibroblasts were cultured under normal or high glucose conditions to assess the effect of high glucose exposure on cells' DNA methylation. We found that higher added sugar intake across pregnancy was associated with reduced 3rd-trimester fetal movement (p < .05) and shorter gestation (p < .01). Our sample size was not powered to detect the alteration of individual placental CpG with genome-wide significance. However, a secondary analysis suggested that added sugar consumption was associated with differential methylation of functionally related gene families across pregnancy. Consistent with this, high glucose exposure in primary cultured human fibroblasts altered the methylation of 17% of all CpGs, providing converging evidence for an effect of sugar on DNA methylation. Our results suggest that diets high in added sugar during pregnancy may have implications for offspring health via prenatal programming effects measurable before birth.
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Affiliation(s)
- Caroline Trumpff
- Department of Psychiatry, Division of Behavioral Medicine, Columbia University Medical Center, New York, NY, USA
| | - Gabriel Sturm
- Department of Psychiatry, Division of Behavioral Medicine, Columbia University Medical Center, New York, NY, USA
| | - Martin Picard
- Department of Psychiatry, Division of Behavioral Medicine, Columbia University Medical Center, New York, NY, USA.,Department of Neurology, Columbia Translational Neuroscience Initiative, Columbia University Medical Center, New York, NY, USA
| | - Sophie Foss
- Department of Psychiatry, Division of Behavioral Medicine, Columbia University Medical Center, New York, NY, USA
| | - Seonjoo Lee
- Division of Mental Health Data Science, New York State Psychiatric Institute, New York, NY, USA.,Research Foundation for Mental Hygiene Inc, New York, NY, USA.,Department of Biostatistics, Mailman School of Public Health, Columbia University Medical Center, New York, NY, USA
| | - Tianshu Feng
- Research Foundation for Mental Hygiene Inc, New York, NY, USA.,Department of Biostatistics, Mailman School of Public Health, Columbia University Medical Center, New York, NY, USA
| | - Andrès Cardenas
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, USA
| | - Clare McCormack
- Department of Psychiatry, Division of Behavioral Medicine, Columbia University Medical Center, New York, NY, USA
| | - Frances A Champagne
- Department of Psychology, The University of Texas at Austin, Austin, TX, USA
| | - Catherine Monk
- Department of Psychiatry, Division of Behavioral Medicine, Columbia University Medical Center, New York, NY, USA.,Department of Obstetrics and Gynecology, Columbia University Medical Center, New York, NY, USA.,New York State Psychiatric Institute, New York, NY, USA
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Facchinetti F, Cavalli P, Copp AJ, D’Anna R, Kandaraki E, Greene NDE, Unfer V. An update on the use of inositols in preventing gestational diabetes mellitus (GDM) and neural tube defects (NTDs). Expert Opin Drug Metab Toxicol 2020; 16:1187-1198. [PMID: 32966143 PMCID: PMC7614183 DOI: 10.1080/17425255.2020.1828344] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Obstetric history and maternal body composition and lifestyle may be associated with serious complications both for the mother, such as gestational diabetes mellitus (GDM), and for the fetus, including congenital malformations such as neural tube defects (NTDs). AREAS COVERED In view of the recent knowledge, changes in nutritional and physical activity habits ameliorate glycemic control during pregnancy and in turn improve maternal and neonatal health outcomes. Recently, a series of small clinical and experimental studies indicated that supplemenation with inositols, a family of insulin sensitizers, was associated with beneficial impact for both GDM and NTDs. EXPERT OPINION Herein, we discuss the most significant scientific evidence supporting myo-inositol administration as a prophylaxis for the above-mentioned conditions.
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Affiliation(s)
- Fabio Facchinetti
- Unit of Obstetrics and Gynecology, Mother-Infant Department, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Andrew J. Copp
- Newlife Birth Defects Research Centre and Developmental Biology & Cancer Research and Teaching Department, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Rosario D’Anna
- Department of Human Pathology, University of Messina, Messina, Italy
| | - Eleni Kandaraki
- Department of Endocrinology & Diabetes, HYGEIA Hospital, Marousi, Athens, Greece
| | - Nicholas D. E. Greene
- Newlife Birth Defects Research Centre and Developmental Biology & Cancer Research and Teaching Department, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Vittorio Unfer
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
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Parrettini S, Caroli A, Torlone E. Nutrition and Metabolic Adaptations in Physiological and Complicated Pregnancy: Focus on Obesity and Gestational Diabetes. Front Endocrinol (Lausanne) 2020; 11:611929. [PMID: 33424775 PMCID: PMC7793966 DOI: 10.3389/fendo.2020.611929] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 11/02/2020] [Indexed: 12/14/2022] Open
Abstract
Pregnancy offers a window of opportunity to program the future health of both mothers and offspring. During gestation, women experience a series of physical and metabolic modifications and adaptations, which aim to protect the fetus development and are closely related to both pre-gestational nutritional status and gestational weight gain. Moreover, pre-gestational obesity represents a challenge of treatment, and nowadays there are new evidence as regard its management, especially the adequate weight gain. Recent evidence has highlighted the determinant role of nutritional status and maternal diet on both pregnancy outcomes and long-term risk of chronic diseases, through a transgenerational flow, conceptualized by the Development Origin of Health and Diseases (Dohad) theory. In this review we will analyse the physiological and endocrine adaptation in pregnancy, and the metabolic complications, thus the focal points for nutritional and therapeutic strategies that we must early implement, virtually before conception, to safeguard the health of both mother and progeny. We will summarize the current nutritional recommendations and the use of nutraceuticals in pregnancy, with a focus on the management of pregnancy complicated by obesity and hyperglycemia, assessing the most recent evidence about the effects of ante-natal nutrition on the long-term, on either maternal health or metabolic risk of the offspring.
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Affiliation(s)
- Sara Parrettini
- S. Maria della Misericordia Hospital, Division of Endocrinology and Metabolism, Perugia, Italy
- Department of Medicine, University of Perugia, Perugia, Italy
| | - Antonella Caroli
- S. Maria della Misericordia Hospital, Division of Endocrinology and Metabolism, Perugia, Italy
- Department of Medicine, University of Perugia, Perugia, Italy
| | - Elisabetta Torlone
- S. Maria della Misericordia Hospital, Division of Endocrinology and Metabolism, Perugia, Italy
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Prenatal Hyperglycemia Exposure and Cellular Stress, a Sugar-Coated View of Early Programming of Metabolic Diseases. Biomolecules 2020; 10:biom10101359. [PMID: 32977673 PMCID: PMC7598660 DOI: 10.3390/biom10101359] [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: 08/21/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 12/21/2022] Open
Abstract
Worldwide, the number of people with diabetes has quadrupled since 1980 reaching 422 million in 2014 (World Health Organization). This distressing rise in diabetes also affects pregnant women and thus, in regard to early programming of adult diseases, creates a vicious cycle of metabolic dysfunction passed from one generation to another. Metabolic diseases are complex and caused by the interplay between genetic and environmental factors. High-glucose exposure during in utero development, as observed with gestational diabetes mellitus (GDM), is an established risk factor for metabolic diseases. Despite intense efforts to better understand this phenomenon of early memory little is known about the molecular mechanisms associating early exposure to long-term diseases risk. However, evidence promotes glucose associated oxidative stress as one of the molecular mechanisms able to influence susceptibility to metabolic diseases. Thus, we decided here to further explore the relationship between early glucose exposure and cellular stress in the context of early development, and focus on the concept of glycemic memory, its consequences, and sexual dimorphic and epigenetic aspects.
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Fujii R, Yamada H, Munetsuna E, Yamazaki M, Mizuno G, Ando Y, Maeda K, Tsuboi Y, Ohashi K, Ishikawa H, Hagiwara C, Wakai K, Hashimoto S, Hamajima N, Suzuki K. Dietary fish and ω-3 polyunsaturated fatty acids are associated with leukocyte ABCA1 DNA methylation levels. Nutrition 2020; 81:110951. [PMID: 33045487 DOI: 10.1016/j.nut.2020.110951] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 06/08/2020] [Accepted: 07/06/2020] [Indexed: 02/07/2023]
Abstract
OBJECTIVES A diet rich in fish and ω-3 polyunsaturated fatty acids (PUFAs) has been thought to reduce the risk for cardiovascular disease (CVD). The beneficial effects of fish oil and ω-3 PUFA on CVD can be mediated by epigenetic status of the genes associated with lipid metabolism and inflammation. The aim of this study was to investigate whether dietary fish and fatty acid (FA) intakes are associated with leukocyte ATP-binding cassette transporter A1 (ABCA1) DNA methylation levels in a Japanese population. METHODS This cross-sectional study included 298 adults (137 men and 161 women) without clinical history of CVD or cancer. The pyrosequencing method was used to measure leukocyte ABCA1 DNA methylation levels. Dietary fish and FA intakes were assessed based on the validated food frequency questionnaire. RESULTS Mean ABCA1 DNA methylation levels were significantly lower in the highest fish intake groups (≥5-6/wk) compared with the lowest intake group (≤1-2/wk; P = 0.004). In multivariable linear regression analyses, higher dietary intake of ω-3 PUFAs and ω-3 highly unsaturated fatty acids was significantly associated with decreased levels of ABCA1 DNA methylation (P = 0.001 and 0.005); whereas no significant associations were seen between intake of dietary saturated fatty acid, monounsaturated fatty acid, and ω-6 PUFAs and ABCA1 DNA methylation. CONCLUSION Higher dietary fish and ω-3 PUFA intake were associated with lower ABCA1 DNA levels in a Japanese population. The present results may bring potential insights on biological mechanisms underlying the protective effects of dietary fish and ω-3 PUFA intakes on CVD.
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Affiliation(s)
- Ryosuke Fujii
- Department of Preventive Medical Sciences, Fujita Health University School of Medical Sciences, Toyoake, Japan
| | - Hiroya Yamada
- Department of Hygiene, Fujita Health University School of Medicine, Toyoake, Japan
| | - Eiji Munetsuna
- Department of Biochemistry, Fujita Health University School of Medicine, Toyoake, Japan
| | - Mirai Yamazaki
- Department of Medical Technology, Kagawa Prefectural University of Health Sciences, Takamatsu, Japan
| | - Genki Mizuno
- Department of Biomedical and Analytical Sciences, Fujita Health University School of Medical Sciences, Toyoake, Japan
| | - Yoshitaka Ando
- Department of Biomedical and Analytical Sciences, Fujita Health University School of Medical Sciences, Toyoake, Japan
| | - Keisuke Maeda
- Department of Preventive Medical Sciences, Fujita Health University School of Medical Sciences, Toyoake, Japan
| | - Yoshiki Tsuboi
- Department of Preventive Medical Sciences, Fujita Health University School of Medical Sciences, Toyoake, Japan
| | - Koji Ohashi
- Department of Biomedical and Analytical Sciences, Fujita Health University School of Medical Sciences, Toyoake, Japan
| | - Hiroaki Ishikawa
- Department of Biomedical and Analytical Sciences, Fujita Health University School of Medical Sciences, Toyoake, Japan
| | - Chiharu Hagiwara
- Department of Preventive Medical Sciences, Fujita Health University School of Medical Sciences, Toyoake, Japan
| | - Kenji Wakai
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shuji Hashimoto
- Department of Hygiene, Fujita Health University School of Medicine, Toyoake, Japan
| | - Nobuyuki Hamajima
- Department of Health Care Administration, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Koji Suzuki
- Department of Preventive Medical Sciences, Fujita Health University School of Medical Sciences, Toyoake, Japan.
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Ganal-Vonarburg SC, Hornef MW, Macpherson AJ. Microbial-host molecular exchange and its functional consequences in early mammalian life. Science 2020; 368:604-607. [PMID: 32381716 DOI: 10.1126/science.aba0478] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Molecules from symbiotic microorganisms pervasively infiltrate almost every organ system of a mammalian host, marking the initiation of microbial-host mutualism in utero, long before the newborn acquires its own microbiota. Starting from in utero development, when maternal microbial molecules can penetrate the placental barrier, we follow the different phases of adaptation through the life events of birth, lactation, and weaning, as the young mammal adapts to the microbes that colonize its body surfaces. The vulnerability of early-life mammals is mitigated by maternal detoxification and excretion mechanisms, the protective effects of maternal milk, and modulation of neonatal receptor systems. Host adaptations to microbial exposure during specific developmental windows are critical to ensure organ function for development, growth, and immunity.
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Affiliation(s)
- Stephanie C Ganal-Vonarburg
- Universitätsklinik für Viszerale Chirurgie und Medizin, Inselspital, Bern University Hospital, Department for BioMedical Research (DBMR), University of Bern, Murtenstrasse 35, 3008 Bern, Switzerland
| | - Mathias W Hornef
- Institute for Medical Microbiology, RWTH University Hospital, Pauwelsstrasse 30, D-52074 Aachen, Germany
| | - Andrew J Macpherson
- Universitätsklinik für Viszerale Chirurgie und Medizin, Inselspital, Bern University Hospital, Department for BioMedical Research (DBMR), University of Bern, Murtenstrasse 35, 3008 Bern, Switzerland.
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Feng Y, Qu X, Chen Y, Feng Q, Zhang Y, Hu J, Li X. MicroRNA-33a-5p sponges to inhibit pancreatic β-cell function in gestational diabetes mellitus LncRNA DANCR. Reprod Biol Endocrinol 2020; 18:61. [PMID: 32505219 PMCID: PMC7275540 DOI: 10.1186/s12958-020-00618-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 05/25/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Gestational diabetes mellitus (GDM) is the most common medical complication associated with pregnancy, which may impose risks on both mother and fetus. Micro RNAs (miRNAs) and long noncoding RNAs (lncRNAs) are implied as vital regulators in GDM. A recent paper revealed dysregulation of miR-33a-5p in placental tissues of GDM patients. However, the biological function of miR-33a-5p in GDM remains elusive. This study focused on exploring the function and underlying mechanisms of miR-33a-5p in GDM. METHODS 12 GDM pregnancies and 12 healthy pregnancies were enrolled in the study. INS-1 cell line was applied in in vitro experiments. The expression levels of miR-33a-5p, lnc-DANCR (Differentiation Antagonizing Non-Protein Coding RNA), and ABCA1 (ATP-binding cassette transporter 1) mRNA were determined by RT-qPCR assay. Glucose and insulin levels were measured by ELISA assay. Luciferase reporter assay and western blot assay were applied to validate the target of miR-33a-5p. RESULTS miR-33a-5p was upregulated in the blood samples from GDM, and was positively correlated with blood glucose (p < 0.0001). Overexpression or inhibition of miR-33a-5p significantly inhibited or promoted cell growth and insulin production of INS-1 cells (p < 0.01). Furthermore, ABCA1 is a direct target of miR-33a-5p, and lnc-DANCR functions as a sponge for miR-33a-5p to antagonize the function of miR-33a-5p in INS-1 cells. CONCLUSION Our study demonstrated that lnc-DANCR-miR-33a-5p-ABCA1 signaling cascade plays a crucial role in the regulation of the cellular function of INS-1 cells.
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Affiliation(s)
- Yan Feng
- grid.440323.2Department of Clinical Nutrition, Yuhuangding Hospital Affiliated to Qingdao University, No. 20 East Yuhuangding Road, Yantai, 264000 Shandong China
| | - Xin Qu
- grid.440323.2Department of Obstetrics and Gynecology, Yuhuangding Hospital Affiliated to Qingdao University, No. 20 East Yuhuangding Road, Yantai, 264000 Shandong China
| | - Yu Chen
- Department of Gynecology, Penglai People’s Hospital, No. 89, Xianhou Road, Penglai, 265600 Shandong China
| | - Qi Feng
- grid.460007.50000 0004 1791 6584Department of General Surgery, CPLA No. 71897, No. 1 Bayi Road, Xi’an, 710000 Shaanxi China
| | - Yinghong Zhang
- grid.440323.2Department of Obstetrics and Gynecology, Yuhuangding Hospital Affiliated to Qingdao University, No. 20 East Yuhuangding Road, Yantai, 264000 Shandong China
| | - Jianwei Hu
- Department of Group Health, Maternal and Child Health Institution, Kunshan, 215301 Jiangsu China
| | - Xiaoyan Li
- grid.440323.2Department of Obstetrics and Gynecology, Yuhuangding Hospital Affiliated to Qingdao University, No. 20 East Yuhuangding Road, Yantai, 264000 Shandong China
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Ouidir M, Zeng X, Workalemahu T, Shrestha D, Grantz KL, Mendola P, Zhang C, Tekola-Ayele F. Early pregnancy dyslipidemia is associated with placental DNA methylation at loci relevant for cardiometabolic diseases. Epigenomics 2020; 12:921-934. [PMID: 32677467 PMCID: PMC7466909 DOI: 10.2217/epi-2019-0293] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 04/07/2020] [Indexed: 02/07/2023] Open
Abstract
Aim: To identify placental DNA methylation changes that are associated with early pregnancy maternal dyslipidemia. Materials & methods: We analyzed placental genome-wide DNA methylation (n = 262). Genes annotating differentially methylated CpGs were evaluated for gene expression in placenta (n = 64). Results: We found 11 novel significant differentially methylated CpGs associated with high total cholesterol, low-density lipoprotein cholesterol and triglycerides, and low high-density lipoprotein cholesterol. High triglycerides were associated with decreased methylation of cg02785814 (ALX4) and decreased expression of ALX4 in placenta. Genes annotating the differentially methylated CpGs play key roles in lipid metabolism and were enriched in dyslipidemia pathways. Functional annotation found cis-methylation quantitative trait loci for genetic loci in ALX4 and EXT2. Conclusion: Our findings lend novel insights into potential placental epigenetic mechanisms linked with maternal dyslipidemia. Trial Registration: ClinicalTrials.gov, NCT00912132.
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Affiliation(s)
- Marion Ouidir
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health & Human Development, National Institutes of Health, Bethesda, MD 20892-7004, USA
| | - Xuehuo Zeng
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health & Human Development, National Institutes of Health, Bethesda, MD 20892-7004, USA
| | - Tsegaselassie Workalemahu
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health & Human Development, National Institutes of Health, Bethesda, MD 20892-7004, USA
| | - Deepika Shrestha
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health & Human Development, National Institutes of Health, Bethesda, MD 20892-7004, USA
| | - Katherine L. Grantz
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health & Human Development, National Institutes of Health, Bethesda, MD 20892-7004, USA
| | - Pauline Mendola
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health & Human Development, National Institutes of Health, Bethesda, MD 20892-7004, USA
| | - Cuilin Zhang
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health & Human Development, National Institutes of Health, Bethesda, MD 20892-7004, USA
| | - Fasil Tekola-Ayele
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health & Human Development, National Institutes of Health, Bethesda, MD 20892-7004, USA
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Narapareddy L, Wildman DE, Armstrong DL, Weckle A, Bell AF, Patil CL, Tardif SD, Ross CN, Rutherford JN. Maternal weight affects placental DNA methylation of genes involved in metabolic pathways in the common marmoset monkey (Callithrix jacchus). Am J Primatol 2020; 82:e23101. [PMID: 32020652 PMCID: PMC7154656 DOI: 10.1002/ajp.23101] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 12/09/2019] [Accepted: 12/14/2019] [Indexed: 12/13/2022]
Abstract
Accumulating evidence suggests that dysregulation of placental DNA methylation (DNAm) is a mechanism linking maternal weight during pregnancy to metabolic programming outcomes. The common marmoset, Callithrix jaccus, is a platyrrhine primate species that has provided much insight into studies of the primate placenta, maternal condition, and metabolic programming, yet the relationships between maternal weight and placental DNAm are unknown. Here, we report genome‐wide DNAm from term marmoset placentas using reduced representation bisulfite sequencing. We identified 74 genes whose DNAm pattern is associated with maternal weight during gestation. These genes are predominantly involved in energy metabolism and homeostasis, including the regulation of glycolytic and lipid metabolic processes pathways. The placental DNA methylation (DNAm) landscape of the marmoset placenta presents unique differences and similarities with human placental methylation patterns. Maternal weight is associated with placental DNAm in genes that are predominantly involved in energy metabolism and homeostasis. The impact of altered placental DNAm on placental function and development may also contribute to the potential role of placental DNAm in developmental programming in the marmoset monkey.
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Affiliation(s)
- Laren Narapareddy
- Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia
| | - Derek E Wildman
- Genomics Program, College of Public Health, University of South Florida, Tampa, Florida
| | - Don L Armstrong
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois
| | - Amy Weckle
- Illinois Water Resources Center, University of Illinois at Urbana-Champaign, Urbana, Illinois
| | - Aleeca F Bell
- Department of Women, Children and Family Health Science, College of Nursing, University of Illinois at Chicago, Chicago, Illinois
| | - Crystal L Patil
- Department of Women, Children and Family Health Science, College of Nursing, University of Illinois at Chicago, Chicago, Illinois
| | - Suzette D Tardif
- Texas Biomedical Research Institute, Southwest National Primate Research Center, San Antonio, Texas
| | - Corinna N Ross
- Program of Biology, College of Arts and Sciences, Texas A&M University-San Antonio, San Antonio, Texas
| | - Julienne N Rutherford
- Department of Women, Children and Family Health Science, College of Nursing, University of Illinois at Chicago, Chicago, Illinois
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DNA methylation at LRP1 gene locus mediates the association between maternal total cholesterol changes in pregnancy and cord blood leptin levels. J Dev Orig Health Dis 2019; 11:369-378. [PMID: 31753053 DOI: 10.1017/s204017441900076x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Placental lipids transfer is essential for optimal fetal development, and alterations of these mechanisms could lead to a higher risk of adverse birth outcomes. Low-density lipoprotein receptor (LDLR), LDL receptor-related protein 1 (LRP1), and scavenger receptor class B type 1 (SCARB1) genes are encoding lipoprotein receptors expressed in the placenta where they participate in cholesterol exchange from maternal to fetal circulation. The aim of this study was thus to investigate the association between maternal lipid changes occurring in pregnancy, placental DNA methylation (DNAm) variations at LDLR, LRP1, and SCARB1 gene loci, and newborn's anthropometric profile at birth. Sixty-nine normoglycemic women were followed from the first trimester of pregnancy until delivery. Placental DNAm was quantified at 43 Cytosine-phosphate-Guanines (CpGs) at LDLR, LRP1, and SCARB1 gene loci using pyrosequencing: 4 CpGs were retained for further analysis. Maternal clinical data were collected at each trimester of pregnancy. Newborns' data were collected from medical records. Statistical models included minimally newborn sex and gestational and maternal age. Maternal total cholesterol changes during pregnancy (ΔT3-T1) were correlated with DNAm variations at LDLR (r = -0.32, p = 0.01) and LRP1 (r = 0.34, p = 0.007). DNAm at these loci was also correlated with newborns' cord blood triglyceride and leptin levels. Mediation analysis supports a causal relationship between maternal cholesterol changes, DNAm levels at LRP1 locus, and cord blood leptin concentration (pmediation = 0.02). These results suggest that LRP1 DNAm link maternal blood cholesterol changes in pregnancy and offspring adiposity at birth, which provide support for a better follow-up of blood lipids in pregnancy.
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Fujii R, Yamada H, Munetsuna E, Yamazaki M, Ando Y, Mizuno G, Tsuboi Y, Ohashi K, Ishikawa H, Hagiwara C, Maeda K, Hashimoto S, Suzuki K. Associations between dietary vitamin intake, ABCA1 gene promoter DNA methylation, and lipid profiles in a Japanese population. Am J Clin Nutr 2019; 110:1213-1219. [PMID: 31504085 DOI: 10.1093/ajcn/nqz181] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 07/10/2019] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Higher intake of fruits and vegetables is associated with reduced risk of specific types of cancer and of cardiovascular disease (CVD), but the protective role of the vitamins contained in fruits and vegetables on CVD is controversial. This discrepancy can raise the question of the effects of antioxidants in vitamins on CVD. Recently, we reported that higher vegetable intake was significantly associated with the decreased DNA methylation level of ATP-binding cassette transporter A1 (ABCA1), a gene associated with HDL-cholesterol metabolism. OBJECTIVE We investigated whether ABCA1 DNA methylation mediates an effect of dietary vitamin intake on lipid profiles, an important risk factor for CVD, in a Japanese population. METHODS A total of 225 individuals (108 men and 117 women) with no clinical history and no drug use for dyslipidemia participated in this cross-sectional study. We used the pyrosequencing method to measure the ABCA1 DNA methylation levels at 8 CpG sites, and we used mean DNA methylation level in statistical analysis. Dietary vitamin intake was assessed with the FFQ and adjusted for the residual method. RESULTS In women, higher dietary vitamin intake [vitamin A, β-carotene, folic acid, vitamin C (VC), vitamin D, and vitamin E] was significantly associated with lower mean ABCA1 DNA methylation levels (P = 0.004, 0.03, 0.005, 0.001, 0.03, and 0.04, respectively). In addition, in women, we found a significant inverse association between mean ABCA1 DNA methylation and HDL cholesterol (P = 0.04) but not for other lipid indexes. Mediation analysis showed a significant indirect effect of VC intake on HDL cholesterol through ABCA1 DNA methylation level in women (P = 0.04). CONCLUSIONS Although this study does not prove causality, the results suggest that ABCA1 DNA methylation mediates the protective effect of VC on HDL cholesterol in women, which could offer a novel biological mechanism in CVD prevention.
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Affiliation(s)
- Ryosuke Fujii
- Department of Preventive Medical Sciences, School of Medical Sciences, Fujita Health University, Toyoake, Japan
| | - Hiroya Yamada
- Department of Hygiene, School of Medicine, Fujita Health University, Toyoake, Japan
| | - Eiji Munetsuna
- Department of Biochemistry, School of Medicine, Fujita Health University, Toyoake, Japan
| | - Mirai Yamazaki
- Department of Clinical Biochemistry, School of Medical Sciences, Fujita Health University, Toyoake, Japan.,Department of Medical Technology, Kagawa Prefectural University of Health Sciences, Takamatsu, Japan
| | - Yoshitaka Ando
- Department of Clinical Biochemistry, School of Medical Sciences, Fujita Health University, Toyoake, Japan
| | - Genki Mizuno
- Department of Clinical Biochemistry, School of Medical Sciences, Fujita Health University, Toyoake, Japan
| | - Yoshiki Tsuboi
- Department of Preventive Medical Sciences, School of Medical Sciences, Fujita Health University, Toyoake, Japan
| | - Koji Ohashi
- Department of Clinical Biochemistry, School of Medical Sciences, Fujita Health University, Toyoake, Japan
| | - Hiroaki Ishikawa
- Department of Clinical Biochemistry, School of Medical Sciences, Fujita Health University, Toyoake, Japan
| | - Chiharu Hagiwara
- Department of Preventive Medical Sciences, School of Medical Sciences, Fujita Health University, Toyoake, Japan
| | - Keisuke Maeda
- Department of Preventive Medical Sciences, School of Medical Sciences, Fujita Health University, Toyoake, Japan
| | - Shuji Hashimoto
- Department of Hygiene, School of Medicine, Fujita Health University, Toyoake, Japan
| | - Koji Suzuki
- Department of Preventive Medical Sciences, School of Medical Sciences, Fujita Health University, Toyoake, Japan
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Systemic endocrinopathies (thyroid conditions and diabetes): impact on postnatal life of the offspring. Fertil Steril 2019; 111:1076-1091. [PMID: 31155115 DOI: 10.1016/j.fertnstert.2019.04.039] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 04/25/2019] [Accepted: 04/26/2019] [Indexed: 12/22/2022]
Abstract
Fetal programming may influence childhood and adult life, determining the risk of specific diseases. During earlier stages of pregnancy, the transfer of maternal thyroid hormones to the fetus is vital for adequate neurologic development. The presence of severe maternal thyroid dysfunction, particularly severe iodine deficiency, is devastating, leading to irreversible neurologic sequelae. Moreover, mild maternal thyroid conditions, such as a mild-to-moderate iodine deficiency, may also lead to milder neurologic and behavioral conditions later during the life of the offspring. Maternal dysglycemia due to pregestational or gestational diabetes mellitus is another common situation in which fetal development encounters a hostile environment. Hyperglycemia in utero may trigger metabolic conditions in the offspring, including abnormalities of glucose tolerance and weight excess. Physicians assisting pregnant women have to be aware about these conditions, because they may go unnoticed if not properly screened. Because an early diagnosis and appropriate management may prevent most of the possible negative consequences for the progeny, the prevention, early diagnosis, and proper management of these endocrine conditions should be offered to all women undergoing pregnancy. Here, we comprehensively review the current evidence about the effects of maternal thyroid dysfunction and maternal dysglycemia on the cognitive function and carbohydrate metabolism in the offspring, two prevalent conditions of utmost importance for the child's health and development.
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Rosik J, Szostak B, Machaj F, Pawlik A. The role of genetics and epigenetics in the pathogenesis of gestational diabetes mellitus. Ann Hum Genet 2019; 84:114-124. [DOI: 10.1111/ahg.12356] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Revised: 09/07/2019] [Accepted: 09/09/2019] [Indexed: 12/14/2022]
Affiliation(s)
- Jakub Rosik
- Department of Physiology Pomeranian Medical University Szczecin Poland
| | - Bartosz Szostak
- Department of Physiology Pomeranian Medical University Szczecin Poland
| | - Filip Machaj
- Department of Physiology Pomeranian Medical University Szczecin Poland
| | - Andrzej Pawlik
- Department of Physiology Pomeranian Medical University Szczecin Poland
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Dietary vegetable intake is inversely associated with ATP-binding cassette protein A1 (ABCA1) DNA methylation levels among Japanese women. Nutrition 2019; 65:1-5. [DOI: 10.1016/j.nut.2019.02.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 01/21/2019] [Accepted: 02/14/2019] [Indexed: 11/20/2022]
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Adverse Maternal Metabolic Intrauterine Environment and Placental Epigenetics: Implications for Fetal Metabolic Programming. Curr Environ Health Rep 2019; 5:531-543. [PMID: 30267228 DOI: 10.1007/s40572-018-0217-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
PURPOSE OF REVIEW Herein, we summarize existent epidemiological studies relating adverse maternal metabolic environments of maternal obesity and gestational diabetes and placental DNA methylation. RECENT FINDINGS Multiple studies have evaluated associations between intrauterine exposure to gestational diabetes and/or maternal glucose levels and DNA methylation at candidate metabolic genes as well as in epigenome-wide studies. Some of the genomic regions more consistently associated include lipid-related genes (LPL and PPARGC1A), the major histocompatibility complex (MHC), and imprinted genes. Studies solely focused on maternal obesity influences on the placental epigenome are scarce. Understanding the placental mechanisms involved in fetal metabolic programming could lead to discovery of placental biomarkers at birth that predict later-life metabolic risk. Moving forward is important to standardize methods utilized in epigenetics research; consistent methodology can help interpret disparate findings. Larger studies with longitudinal follow-up are needed to address future challenges in fetal programming research.
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Franzago M, Fraticelli F, Stuppia L, Vitacolonna E. Nutrigenetics, epigenetics and gestational diabetes: consequences in mother and child. Epigenetics 2019; 14:215-235. [PMID: 30865571 PMCID: PMC6557546 DOI: 10.1080/15592294.2019.1582277] [Citation(s) in RCA: 119] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Gestational Diabetes Mellitus (GDM) is the most common metabolic condition during pregnancy and may result in short- and long-term complications for both mother and offspring. The complexity of phenotypic outcomes seems influenced by genetic susceptibility, nutrient-gene interactions and lifestyle interacting with clinical factors. There is strong evidence that not only the adverse genetic background but also the epigenetic modifications in response to nutritional and environmental factors could influence the maternal hyperglycemia in pregnancy and the foetal metabolic programming. In this view, the correlation between epigenetic modifications and their transgenerational effects represents a very interesting field of study. The present review gives insight into the role of gene variants and their interactions with nutrients in GDM. In addition, we provide an overview of the epigenetic changes and their role in the maternal-foetal transmission of chronic diseases. Overall, the knowledge of epigenetic modifications induced by an adverse intrauterine and perinatal environment could shed light on the potential pathophysiological mechanisms of long-term disease development in the offspring and provide useful tools for their prevention.
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Affiliation(s)
- Marica Franzago
- a Department of Medicine and Aging, School of Medicine and Health Sciences , "G. d'Annunzio" University, Chieti-Pescara , Chieti , Italy.,b Molecular Genetics, Unit , CeSI-Met , Chieti , Italy
| | - Federica Fraticelli
- a Department of Medicine and Aging, School of Medicine and Health Sciences , "G. d'Annunzio" University, Chieti-Pescara , Chieti , Italy
| | - Liborio Stuppia
- b Molecular Genetics, Unit , CeSI-Met , Chieti , Italy.,c Department of Psychological, Health and Territorial Sciences, School of Medicine and Health Sciences , "G. d'Annunzio" University, Chieti-Pescara , Chieti , Italy
| | - Ester Vitacolonna
- a Department of Medicine and Aging, School of Medicine and Health Sciences , "G. d'Annunzio" University, Chieti-Pescara , Chieti , Italy
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Silva L, Plösch T, Toledo F, Faas MM, Sobrevia L. Adenosine kinase and cardiovascular fetal programming in gestational diabetes mellitus. Biochim Biophys Acta Mol Basis Dis 2019; 1866:165397. [PMID: 30699363 DOI: 10.1016/j.bbadis.2019.01.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 01/21/2019] [Accepted: 01/23/2019] [Indexed: 02/06/2023]
Abstract
Gestational diabetes mellitus (GDM) is a detrimental condition for human pregnancy associated with endothelial dysfunction and endothelial inflammation in the fetoplacental vasculature and leads to increased cardio-metabolic risk in the offspring. In the fetoplacental vasculature, GDM is associated with altered adenosine metabolism. Adenosine is an important vasoactive molecule and is an intermediary and final product of transmethylation reactions in the cell. Adenosine kinase is the major regulator of adenosine levels. Disruption of this enzyme is associated with alterations in methylation-dependent gene expression regulation mechanisms, which are associated with the fetal programming phenomenon. Here we propose that cellular and molecular alterations associated with GDM can dysregulate adenosine kinase leading to fetal programming in the fetoplacental vasculature. This can contribute to the cardio-metabolic long-term consequences observed in offspring after exposure to GDM.
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Affiliation(s)
- Luis Silva
- Cellular and Molecular Physiology Laboratory (CMPL), Department of Obstetrics, Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Immunoendocrinology, Division of Medical Biology, Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen (UMCG), Groningen 9700 RB, the Netherlands.
| | - Torsten Plösch
- Department of Obstetrics and Gynaecology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Fernando Toledo
- Cellular and Molecular Physiology Laboratory (CMPL), Department of Obstetrics, Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Department of Basic Sciences, Faculty of Sciences, Universidad del Bío-Bío, Chillán 3780000, Chile
| | - Marijke M Faas
- Immunoendocrinology, Division of Medical Biology, Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen (UMCG), Groningen 9700 RB, the Netherlands; Department of Obstetrics and Gynaecology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
| | - Luis Sobrevia
- Cellular and Molecular Physiology Laboratory (CMPL), Department of Obstetrics, Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Department of Physiology, Faculty of Pharmacy, Universidad de Sevilla, Seville E-41012, Spain; University of Queensland Centre for Clinical Research (UQCCR), Faculty of Medicine and Biomedical Sciences, University of Queensland, Herston, QLD, 4029, Queensland, Australia.
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46
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Sallam NA, Palmgren VAC, Singh RD, John CM, Thompson JA. Programming of Vascular Dysfunction in the Intrauterine Milieu of Diabetic Pregnancies. Int J Mol Sci 2018; 19:E3665. [PMID: 30463313 PMCID: PMC6275067 DOI: 10.3390/ijms19113665] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 11/14/2018] [Accepted: 11/16/2018] [Indexed: 02/07/2023] Open
Abstract
With the rising global tide of obesity, gestational diabetes mellitus (GDM) burgeoned into one of the most common antenatal disorders worldwide. Macrosomic babies born to diabetic mothers are more likely to develop risk factors for cardiovascular disease (CVD) before they reach adulthood. Rodent studies in offspring born to hyperglycemic pregnancies show vascular dysfunction characterized by impaired nitric oxide (NO)-mediated vasodilation and increased production of contractile prostanoids by cyclooxygenase 2 (COX-2). Vascular dysfunction is a key pathogenic event in the progression of diabetes-related vascular disease, primarily attributable to glucotoxicity. Therefore, glucose-induced vascular injury may stem directly from the hyperglycemic intrauterine environment of GDM pregnancy, as evinced by studies showing endothelial activation and inflammation at birth or in childhood in offspring born to GDM mothers. This review discusses potential mechanisms by which intrauterine hyperglycemia programs dysfunction in the developing vasculature.
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Affiliation(s)
- Nada A Sallam
- Department of Physiology and Pharmacology, Libin Cardiovascular Institute of Alberta, Calgary, AB T2N 4N1, Canada.
- Children's Hospital Research Institute; University of Calgary, Calgary, AB T2N 4N1, Canada.
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt.
| | - Victoria A C Palmgren
- Department of Physiology and Pharmacology, Libin Cardiovascular Institute of Alberta, Calgary, AB T2N 4N1, Canada.
| | - Radha D Singh
- Department of Physiology and Pharmacology, Libin Cardiovascular Institute of Alberta, Calgary, AB T2N 4N1, Canada.
- Children's Hospital Research Institute; University of Calgary, Calgary, AB T2N 4N1, Canada.
| | - Cini M John
- Department of Physiology and Pharmacology, Libin Cardiovascular Institute of Alberta, Calgary, AB T2N 4N1, Canada.
| | - Jennifer A Thompson
- Department of Physiology and Pharmacology, Libin Cardiovascular Institute of Alberta, Calgary, AB T2N 4N1, Canada.
- Children's Hospital Research Institute; University of Calgary, Calgary, AB T2N 4N1, Canada.
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Molecular Biomarkers for Gestational Diabetes Mellitus. Int J Mol Sci 2018; 19:ijms19102926. [PMID: 30261627 PMCID: PMC6213110 DOI: 10.3390/ijms19102926] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 09/21/2018] [Accepted: 09/22/2018] [Indexed: 12/20/2022] Open
Abstract
Gestational diabetes mellitus (GDM) is a growing public health problem worldwide. The condition is associated with perinatal complications and an increased risk for future metabolic disease in both mothers and their offspring. In recent years, molecular biomarkers received considerable interest as screening tools for GDM. The purpose of this review is to provide an overview of the current status of single-nucleotide polymorphisms (SNPs), DNA methylation, and microRNAs as biomarkers for GDM. PubMed, Scopus, and Web of Science were searched for articles published between January 1990 and August 2018. The search terms included “gestational diabetes mellitus”, “blood”, “single-nucleotide polymorphism (SNP)”, “DNA methylation”, and “microRNAs”, including corresponding synonyms and associated terms for each word. This review updates current knowledge of the candidacy of these molecular biomarkers for GDM with recommendations for future research avenues.
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Riesche L, Tardif SD, Ross CN, deMartelly VA, Ziegler T, Rutherford JN. The common marmoset monkey: avenues for exploring the prenatal, placental, and postnatal mechanisms in developmental programming of pediatric obesity. Am J Physiol Regul Integr Comp Physiol 2018; 314:R684-R692. [PMID: 29412686 PMCID: PMC6008109 DOI: 10.1152/ajpregu.00164.2017] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 12/15/2017] [Accepted: 12/29/2017] [Indexed: 01/20/2023]
Abstract
Animal models have been critical in building evidence that the prenatal experience and intrauterine environment are capable of exerting profound and permanent effects on metabolic health through developmental programming of obesity. However, despite physiological and evolutionary similarities, nonhuman primate models are relatively rare. The common marmoset monkey ( Callithrix jacchus) is a New World monkey that has been used as a biomedical model for well more than 50 years and has recently been framed as an appropriate model for exploring early-life impacts on later health and disease. The spontaneous, multifactorial, and early-life development of obesity in the common marmoset make it a valuable research model for advancing our knowledge about the role of the prenatal and placental mechanisms involved in developmental programming of obesity. This paper provides a brief overview of obesity in the common marmoset, followed by a discussion of marmoset reproduction and placental characteristics. We then discuss the occurrence and utility of variable intrauterine environments in developmental programming in marmosets. Evidence of developmental programming of obesity will be given, and finally, we put forward future directions and innovations for including the placenta in developmental programming of obesity in the common marmoset.
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Affiliation(s)
- Laren Riesche
- University of Pennsylvania , Philadelphia, Pennsylvania
| | | | | | | | - Toni Ziegler
- Wisconsin National Primate Research Center , Madison, Wisconsin
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Kerr B, Leiva A, Farías M, Contreras-Duarte S, Toledo F, Stolzenbach F, Silva L, Sobrevia L. Foetoplacental epigenetic changes associated with maternal metabolic dysfunction. Placenta 2018; 69:146-152. [PMID: 29699712 DOI: 10.1016/j.placenta.2018.04.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 03/08/2018] [Accepted: 04/09/2018] [Indexed: 02/08/2023]
Abstract
Metabolic-related diseases are attributed to a sedentary lifestyle and eating habits, and there is now an increased awareness regarding pregnancy as a preponderant window in the programming of adulthood health and disease. The developing foetus is susceptible to the maternal environment; hence, any unfavourable condition will result in foetal physiological adaptations that could have a permanent impact on its health. Some of these alterations are maintained via epigenetic modifications capable of modifying gene expression in metabolism-related genes. Children born to mothers with dyslipidaemia, pregestational or gestational obesity, and gestational diabetes mellitus, have a predisposition to develop metabolic alterations during adulthood. CpG methylation-associated alterations to the expression of several genes in the human placenta play a crucial role in the mother-to-foetus transfer of nutrients and macromolecules. Identification of epigenetic modifications in metabolism-related tissues of offspring from metabolic-altered pregnancies is essential to obtain insights into foetal programming controlling newborn, childhood, and adult metabolism. This review points out the importance of the foetal milieu in the programming and development of human disease and provides evidence of this being the underlying mechanism for the development of adulthood metabolic disorders in maternal dyslipidaemia, pregestational or gestational obesity, and gestational diabetes mellitus.
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Affiliation(s)
- Bredford Kerr
- Laboratory of Biology, Centro de Estudios Científicos (CECs), Valdivia 5110466, Chile.
| | - Andrea Leiva
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile
| | - Marcelo Farías
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile
| | - Susana Contreras-Duarte
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile
| | - Fernando Toledo
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Department of Basic Sciences, Faculty of Sciences, Universidad Del Bío-Bío, Chillán 3780000, Chile
| | - Francisca Stolzenbach
- Laboratory of Biology, Centro de Estudios Científicos (CECs), Valdivia 5110466, Chile; Faculty of Science, Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Luis Silva
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Immunoendocrinology, Division of Medical Biology, Department of Pathology and Medical Biology, University of Groningen and University Medical Center Groningen (UMCG), Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Luis Sobrevia
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Department of Physiology, Faculty of Pharmacy, Universidad de Sevilla, Seville E-41012, Spain; University of Queensland Centre for Clinical Research (UQCCR), Faculty of Medicine and Biomedical Sciences, University of Queensland, Herston, QLD 4029, Queensland, Australia.
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50
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Wu P, Farrell WE, Haworth KE, Emes RD, Kitchen MO, Glossop JR, Hanna FW, Fryer AA. Maternal genome-wide DNA methylation profiling in gestational diabetes shows distinctive disease-associated changes relative to matched healthy pregnancies. Epigenetics 2018; 13:122-128. [PMID: 27019060 DOI: 10.1080/15592294.2016.1166321] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Several recent reports have described associations between gestational diabetes (GDM) and changes to the epigenomic landscape where the DNA samples were derived from either cord or placental sources. We employed genome-wide 450K array analysis to determine changes to the epigenome in a unique cohort of maternal blood DNA from 11 pregnant women prior to GDM development relative to matched controls. Hierarchical clustering segregated the samples into 2 distinct clusters comprising GDM and healthy pregnancies. Screening identified 100 CpGs with a mean β-value difference of ≥0.2 between cases and controls. Using stringent criteria, 5 CpGs (within COPS8, PIK3R5, HAAO, CCDC124, and C5orf34 genes) demonstrated potentials to be clinical biomarkers as revealed by differential methylation in 8 of 11 women who developed GDM relative to matched controls. We identified, for the first time, maternal methylation changes prior to the onset of GDM that may prove useful as biomarkers for early therapeutic intervention.
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Affiliation(s)
- Pensee Wu
- a Institute for Science and Technology in Medicine , Keele University, Guy Hilton Research Center , Staffordshire , UK.,b Academic Unit of Obstetrics and Gynecology, University Hospital of North Midlands NHS Trust , Stoke-on-Trent, Staffordshire , UK
| | - William E Farrell
- a Institute for Science and Technology in Medicine , Keele University, Guy Hilton Research Center , Staffordshire , UK
| | - Kim E Haworth
- a Institute for Science and Technology in Medicine , Keele University, Guy Hilton Research Center , Staffordshire , UK
| | - Richard D Emes
- c School of Veterinary Medicine and Science, University of Nottingham , Leicestershire , UK.,d Advanced Data Analysis Center , University of Nottingham , Leicestershire , UK
| | - Mark O Kitchen
- a Institute for Science and Technology in Medicine , Keele University, Guy Hilton Research Center , Staffordshire , UK
| | - John R Glossop
- a Institute for Science and Technology in Medicine , Keele University, Guy Hilton Research Center , Staffordshire , UK.,e Haywood Rheumatology Center, Haywood Hospital , Staffordshire , UK
| | - Fahmy W Hanna
- f Department of Diabetes and Endocrinology , University Hospital of North Midlands NHS Trust , Stoke-on-Trent, Staffordshire , UK
| | - Anthony A Fryer
- a Institute for Science and Technology in Medicine , Keele University, Guy Hilton Research Center , Staffordshire , UK
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