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Zhang Y, Liang J, Gu H, Du T, Xu P, Yu T, He Q, Huang Z, Lei S, Li J. Activation of LXRα attenuates 2-Ethylhexyl diphenyl phosphate (EHDPP) induced placental dysfunction. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 266:115605. [PMID: 37864966 DOI: 10.1016/j.ecoenv.2023.115605] [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: 07/18/2023] [Revised: 09/25/2023] [Accepted: 10/14/2023] [Indexed: 10/23/2023]
Abstract
2-Ethylhexyl diphenyl phosphate (EHDPP) is one of the typical organophosphate flame retardants (OPFRs) and has been widely detected in environmental media. Exposure to EHDPP during pregnancy affects placental development and fetal growth. Liver X receptor α (LXRα) is essential to placental development. However, finite information is available regarding the function of LXRα in placenta damages caused by EHDPP. In present study we investigated to figure out whether LXRα is playing roles in EHDPP-induced placenta toxicity. While EHDPP restrained cell viability, migration, and angiogenesis dose-dependently in HTR-8/SVneo and JEG-3 cells, overexpression or activation by agonist T0901317 of LXRα alleviated the above phenomenon, knockdown or inhibition by antagonist GSK2033 had the opposite effects in vitro. Further study indicated EHDPP decreased LXRα expression and transcriptional activity leading to mRNA, protein expression levels downregulation of viability, migration, angiogenesis-related genes Forkhead box M1 (Foxm1), endothelial nitric oxide synthase (eNos), matrix metalloproteinase-2 (Mmp-2), matrix metalloproteinase-9 (Mmp-9), vascular endothelial growth factor-A (Vegf-a) and upregulation of inflammatory genes interleukin-6 (Il-6), interleukin-1β (Il-1β) and tumor necrosis factor-α (Tnf-α) in vitro and in vivo. Moreover, EHDPP caused decreased placental volume and fetal weight in mice, treatment with LXRα agonist T0901317 restored these adverse effects. Taken together, our study unveiled EHDPP-induced placenta toxicity and the protective role of LXRα in combating EHDPP-induced placental dysfunction. Activating LXRα could serve as a therapeutic strategy to reverse EHDPP-induced placental toxicity.
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Affiliation(s)
- Yue Zhang
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, Jiangsu 221002, China; Key Laboratory of Human Genetics and Environmental Medicine, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China; Key Laboratory of Environment and Health, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Jie Liang
- Yangzhou Center for Disease Control and Prevention, Yangzhou, Jiangsu 225007, China
| | - Hao Gu
- Department of Central Laboratory, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an 223300, China
| | - Ting Du
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, Jiangsu 221002, China; Key Laboratory of Human Genetics and Environmental Medicine, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China; Key Laboratory of Environment and Health, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Pengfei Xu
- Department of Hepatobiliary and Pancreatic Surgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, China
| | - Ting Yu
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, Jiangsu 221002, China; Key Laboratory of Human Genetics and Environmental Medicine, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China; Key Laboratory of Environment and Health, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Qing He
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, Jiangsu 221002, China; Key Laboratory of Human Genetics and Environmental Medicine, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China; Key Laboratory of Environment and Health, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Zhenyao Huang
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, Jiangsu 221002, China; Key Laboratory of Human Genetics and Environmental Medicine, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China; Key Laboratory of Environment and Health, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Saifei Lei
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China.
| | - Jing Li
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, Jiangsu 221002, China.
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Gao F, Guan X, Zhang W, Han T, Liu X, Shi B. Oxidized Soybean Oil Evoked Hepatic Fatty Acid Metabolism Disturbance in Rats and their Offspring. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:13483-13494. [PMID: 37667911 DOI: 10.1021/acs.jafc.3c02466] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/06/2023]
Abstract
The oxidation of fats and oils is an undisputed subject of science, given the effect of oxidized fats and oils on food quality and safety. This study aimed to determine whether maternal exposure to oxidized soybean oil (OSO) causes lipid metabolism disorders in the liver and whether this lipid metabolism disorder can be transmitted to offspring or even worsened. A total of 60 female Sprague-Dawley (SD) rats were divided randomly into four groups in this study. Treatment groups received a pure diet of OSO with a peroxide value of 200, 400, or 800 mEqO2/kg, while the control group received fresh soybean oil (FSO). As for our results, OSO affected serum biochemical parameters in the maternal generation (F0) and induced liver histopathology changes, inflammation, and oxidative stress. Moreover, the expression of genes related to the liver X receptor α (LXRα)─sterol regulatory element binding protein-1c (SREBP-1c) signaling pathway was changed. Similar trends were found in the livers of offspring on postnatal days 21 and 56. In conclusion, exposure to OSO during gestation and lactation can affect liver lipid synthesis. Additionally, it is detrimental to the development of the offspring's liver, affecting fatty acid metabolism and causing liver damage.
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Affiliation(s)
- Feng Gao
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Xin Guan
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Wentao Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Tingting Han
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Xinyu Liu
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Baoming Shi
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, P. R. China
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Liebmann M, Grupe K, Asuaje Pfeifer M, Rustenbeck I, Scherneck S. Differences in lipid metabolism in acquired versus preexisting glucose intolerance during gestation: role of free fatty acids and sphingosine-1-phosphate. Lipids Health Dis 2022; 21:99. [PMID: 36209101 PMCID: PMC9547403 DOI: 10.1186/s12944-022-01706-x] [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: 06/30/2022] [Accepted: 09/23/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The prevalence of gestational diabetes mellitus (GDM) is increasing worldwide. There is increasing evidence that GDM is a heterogeneous disease with different subtypes. An important question in this context is whether impaired glucose tolerance (IGT), which is a typical feature of the disease, may already be present before pregnancy and manifestation of the disease. The latter type resembles in its clinical manifestation prediabetes that has not yet manifested as type 2 diabetes (T2DM). Altered lipid metabolism plays a crucial role in the disorder's pathophysiology. The aim was to investigate the role of lipids which are relevant in diabetes-like phenotypes in these both models with different time of initial onset of IGT. METHODS Two rodent models reflecting different characteristics of human GDM were used to characterize changes in lipid metabolism occurring during gestation. Since the New Zealand obese (NZO)-mice already exhibit IGT before and during gestation, they served as a subtype model for GDM with preexisting IGT (preIGT) and were compared with C57BL/6 N mice with transient IGT acquired during gestation (aqIGT). While the latter model does not develop manifest diabetes even under metabolic stress conditions, the NZO mouse is prone to severe disease progression later in life. Metabolically healthy Naval Medical Research Institute (NMRI) mice served as controls. RESULTS In contrast to the aqIGT model, preIGT mice showed hyperlipidemia during gestation with elevated free fatty acids (FFA), triglycerides (TG), and increased atherogenic index. Interestingly, sphingomyelin (SM) concentrations in the liver decreased during gestation concomitantly with an increase in the sphingosine-1-phosphate (S1P) concentration in plasma. Further, preIGT mice showed impaired hepatic weight adjustment and alterations in hepatic FFA metabolism during gestation. This was accompanied by decreased expression of peroxisome proliferator-activated receptor alpha (PPARα) and lack of translocation of fatty acid translocase (FAT/CD36) to the hepatocellular plasma membrane. CONCLUSION The preIGT model showed impaired lipid metabolism both in plasma and liver, as well as features of insulin resistance consistent with increased S1P concentrations, and in these characteristics, the preIGT model differs from the common GDM subtype with aqIGT. Thus, concomitantly elevated plasma FFA and S1P concentrations, in addition to general shifts in sphingolipid fractions, could be an interesting signal that the metabolic disorder existed before gestation and that future pregnancies require more intensive monitoring to avoid complications. This graphical abstract was created with BioRender.com .
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Affiliation(s)
- Moritz Liebmann
- Institute of Pharmacology, Toxicology and Clinical Pharmacy, Technische Universität Braunschweig, D-38106, Braunschweig, Germany
| | - Katharina Grupe
- Institute of Pharmacology, Toxicology and Clinical Pharmacy, Technische Universität Braunschweig, D-38106, Braunschweig, Germany
| | - Melissa Asuaje Pfeifer
- Institute of Pharmacology, Toxicology and Clinical Pharmacy, Technische Universität Braunschweig, D-38106, Braunschweig, Germany
| | - Ingo Rustenbeck
- Institute of Pharmacology, Toxicology and Clinical Pharmacy, Technische Universität Braunschweig, D-38106, Braunschweig, Germany
| | - Stephan Scherneck
- Institute of Pharmacology, Toxicology and Clinical Pharmacy, Technische Universität Braunschweig, D-38106, Braunschweig, Germany.
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Chen J, Hua L, Luo F, Chen J. Maternal Hypercholesterolemia May Involve in Preterm Birth. Front Cardiovasc Med 2022; 9:818202. [PMID: 35898280 PMCID: PMC9309366 DOI: 10.3389/fcvm.2022.818202] [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: 11/19/2021] [Accepted: 06/21/2022] [Indexed: 11/23/2022] Open
Abstract
Maternal hypercholesterolemia during pregnancy is associated with an increased risk of preterm birth which is defined as <37 weeks of complete gestation. However, the underlying mechanism for the association between hypercholesterolemia and preterm birth is not fully understood. Macrophage, as one of the largest cell types in the placenta, plays a very critical role in mediating inflammation and triggers labor initiation. Here, we hypothesize that macrophages can uptake maternal excessive cholesterol leading to its accumulation, resulting in a breach of the immune tolerance and precipitating labor.
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Affiliation(s)
- Jingfei Chen
- Department of Obstetrics and Gynecology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Lan Hua
- Department of Obstetrics and Gynecology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Fei Luo
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Fei Luo
| | - Jianlin Chen
- Department of Obstetrics and Gynecology, The Second Xiangya Hospital, Central South University, Changsha, China
- Jianlin Chen
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Furse S, Koulman A, Ozanne SE, Poston L, White SL, Meek CL. Altered Lipid Metabolism in Obese Women With Gestational Diabetes and Associations With Offspring Adiposity. J Clin Endocrinol Metab 2022; 107:e2825-e2832. [PMID: 35359001 PMCID: PMC9757862 DOI: 10.1210/clinem/dgac206] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Indexed: 01/29/2023]
Abstract
CONTEXT Gestational diabetes (GDM) affects 20 million women/year worldwide and is associated with childhood obesity. Infants of affected mothers have increased adiposity from birth, which leads to obesity in later life. However, it remains unknown whether the effect of GDM upon neonatal body composition is due to hyperglycemia alone or is mediated by other pathways. OBJECTIVE To investigate plasma lipid profiles in obese women according to GDM diagnosis, infant birthweight percentiles, and adiposity. DESIGN Prospective cohort from UPBEAT trial (ISRCTN 89971375). SETTING Hospital and community. PATIENTS 867 obese pregnant women recruited in early pregnancy, assessed at 28 weeks for GDM. Offspring anthropometry was assessed at birth. OUTCOME (PRESPECIFIED) Neonatal birth percentile and abdominal circumference. METHODS Lipidomic profiling in the fasting plasma oral glucose tolerance test sample using direct infusion mass spectrometry. Analysis included logistic/linear regression, unadjusted and adjusted for maternal age, body mass index, parity, ethnicity, UPBEAT trial arm, and fetal sex. The limit of significance was P = 0.05 for offspring anthropometry and P = 0.002 for lipidomic data. RESULTS GDM in obese women was associated with elevated plasma concentrations of specific diglycerides [DG(32:0)] and triglycerides [TG(48:0), (50:1), (50:2)] containing fatty acids (16:0), (16:1), (18:0), and (18:1), consistent with increased de novo lipogenesis. In the whole cohort, these species were associated with birthweight percentile and neonatal abdominal circumference. Effects upon infant abdominal circumference remained significant after adjustment for maternal glycemia. CONCLUSIONS Increased de novo lipogenesis-related species in pregnant women with obesity and GDM are associated with measures of offspring adiposity and may be a target for improving lifelong health.
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Affiliation(s)
- Samuel Furse
- Core Metabolomics and Lipidomics Laboratory, Wellcome Trust-MRC Institute of Metabolic Science, University of Cambridge, Addenbrooke’s Treatment Centre, Keith Day Road Cambridge, CB2 0QQ, UK
- Wellcome Trust-MRC Institute of Metabolic Science, University of Cambridge, Addenbrooke’s Treatment Centre, Keith Day Road Cambridge, CB2 0QQ, UK
| | - Albert Koulman
- Core Metabolomics and Lipidomics Laboratory, Wellcome Trust-MRC Institute of Metabolic Science, University of Cambridge, Addenbrooke’s Treatment Centre, Keith Day Road Cambridge, CB2 0QQ, UK
- Wellcome Trust-MRC Institute of Metabolic Science, University of Cambridge, Addenbrooke’s Treatment Centre, Keith Day Road Cambridge, CB2 0QQ, UK
| | - Susan E Ozanne
- Wellcome Trust-MRC Institute of Metabolic Science, University of Cambridge, Addenbrooke’s Treatment Centre, Keith Day Road Cambridge, CB2 0QQ, UK
| | - Lucilla Poston
- Department of Women and Children’s Health, School of Lifecourse and Population Sciences, Faculty of Life Sciences and Medicine, King’s College London, London SE1 7EH, UK
| | - Sara L White
- Department of Women and Children’s Health, School of Lifecourse and Population Sciences, Faculty of Life Sciences and Medicine, King’s College London, London SE1 7EH, UK
| | - Claire L Meek
- Wellcome Trust-MRC Institute of Metabolic Science, University of Cambridge, Addenbrooke’s Treatment Centre, Keith Day Road Cambridge, CB2 0QQ, UK
- Department of Clinical Biochemistry/Wolfson Diabetes & Endocrine Clinic, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQUK
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Yoshida S, Hatasa M, Ohsugi Y, Tsuchiya Y, Liu A, Niimi H, Morita K, Shimohira T, Sasaki N, Maekawa S, Shiba T, Hirota T, Okano T, Hirose A, Ibi R, Noritake K, Tomiga Y, Nitta H, Suzuki T, Takahashi H, Miyasaka N, Iwata T, Katagiri S. Porphyromonas gingivalis Administration Induces Gestational Obesity, Alters Gene Expression in the Liver and Brown Adipose Tissue in Pregnant Mice, and Causes Underweight in Fetuses. Front Cell Infect Microbiol 2022; 11:745117. [PMID: 35096633 PMCID: PMC8792863 DOI: 10.3389/fcimb.2021.745117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 12/07/2021] [Indexed: 12/18/2022] Open
Abstract
Preventing adverse pregnancy outcomes is crucial for maternal and child health. Periodontal disease is a risk factor for many systemic diseases including adverse pregnancy outcomes, such as preterm birth and low birth weight. In addition, the administration of the periodontopathic bacterium Porphyromonas gingivalis exacerbates obesity, glucose tolerance, and hepatic steatosis and alters endocrine function in the brown adipose tissue (BAT). However, the effects of having periodontal disease during pregnancy remain unclear. Thus, this study investigates the effect of P. gingivalis administration on obesity, liver, and BAT during pregnancy. Sonicated P. gingivalis (Pg) or saline (Co) was injected intravenously and administered orally to pregnant C57BL/6J mice three times per week. Maternal body weight and fetal body weight on embryonic day (ED) 18 were evaluated. Microarray analysis and qPCR in the liver and BAT and hepatic and plasma triglyceride quantification were performed on dams at ED 18. The body weight of Pg dams was heavier than that of Co dams; however, the fetal body weight was decreased in the offspring of Pg dams. Microarray analysis revealed 254 and 53 differentially expressed genes in the liver and BAT, respectively. Gene set enrichment analysis exhibited the downregulation of fatty acid metabolism gene set in the liver and estrogen response early/late gene sets in the BAT, whereas inflammatory response and IL6/JAK/STAT3 signaling gene sets were upregulated both in the liver and BAT. The downregulation of expression levels of Lpin1, Lpin2, and Lxra in the liver, which are associated with triglyceride synthesis, and a decreasing trend in hepatic triglyceride of Pg dams were observed. P. gingivalis administration may alter lipid metabolism in the liver. Overall, the intravenous and oral administration of sonicated P. gingivalis-induced obesity and modified gene expression in the liver and BAT in pregnant mice and caused fetuses to be underweight.
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Affiliation(s)
- Sumiko Yoshida
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Masahiro Hatasa
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Yujin Ohsugi
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Yosuke Tsuchiya
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Anhao Liu
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Hiromi Niimi
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Kazuki Morita
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Tsuyoshi Shimohira
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Naoki Sasaki
- Oral Diagnosis and General Dentistry, Division of Clinical Dentistry, Tokyo Medical and Dental University Hospital, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Shogo Maekawa
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Takahiko Shiba
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Tomomitsu Hirota
- Division of Molecular Genetics, Research Center for Medical Sciences, The Jikei University School of Medicine, Tokyo, Japan
| | - Tokuju Okano
- Department of Bacterial Pathogenesis, Infection and Host Response, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Asuka Hirose
- Comprehensive Reproductive Medicine, Regulation of Internal Environment and Reproduction, Systemic Organ Regulation, Graduate School, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Rinko Ibi
- Comprehensive Reproductive Medicine, Regulation of Internal Environment and Reproduction, Systemic Organ Regulation, Graduate School, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Kanako Noritake
- Oral Diagnosis and General Dentistry, Division of Clinical Dentistry, Tokyo Medical and Dental University Hospital, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Yuki Tomiga
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan
| | - Hiroshi Nitta
- Oral Diagnosis and General Dentistry, Division of Clinical Dentistry, Tokyo Medical and Dental University Hospital, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Toshihiko Suzuki
- Department of Bacterial Pathogenesis, Infection and Host Response, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Hirokazu Takahashi
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan
- Liver Center, Saga University Hospital, Faculty of Medicine, Saga University, Saga, Japan
| | - Naoyuki Miyasaka
- Comprehensive Reproductive Medicine, Regulation of Internal Environment and Reproduction, Systemic Organ Regulation, Graduate School, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Takanori Iwata
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Sayaka Katagiri
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
- *Correspondence: Sayaka Katagiri,
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Nuclear Receptors in Pregnancy and Outcomes: Clinical Perspective. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1390:3-19. [DOI: 10.1007/978-3-031-11836-4_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Lu J, Gong Y, Wei X, Yao Z, Yang R, Xin J, Gao L, Shao S. Changes in hepatic triglyceride content with the activation of ER stress and increased FGF21 secretion during pregnancy. Nutr Metab (Lond) 2021; 18:40. [PMID: 33849585 PMCID: PMC8045396 DOI: 10.1186/s12986-021-00570-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 04/03/2021] [Indexed: 12/15/2022] Open
Abstract
Background To meet the needs of foetal growth and development, marked changes in lipid profiles occur during pregnancy. Abnormal lipid metabolism is often accompanied by adverse pregnancy outcomes, which seriously affect maternal and infant health. Further understanding of the mechanism of lipid metabolism during pregnancy would be helpful to reduce the incidence of adverse pregnancy outcomes. Methods Pregnant mice were euthanized in the virgin (V) state, on day 5 of pregnancy (P5), on day 12 of pregnancy (P12), on day 19 of pregnancy (P19) and on lactation day 2 (L2). Body weight and energy expenditure were assessed to evaluate the general condition of the mice. Triglyceride (TG) levels, the cholesterol content in the liver, liver histopathology, serum lipid profiles, serum β-hydroxybutyrate levels, fibroblast growth factor-21 (FGF21) levels and the levels of relevant target genes were analysed. Results During early pregnancy, anabolism was found to play a major role in liver lipid deposition. In contrast, advanced pregnancy is an overall catabolic condition associated with both increased energy expenditure and reduced lipogenesis. Moreover, the accumulation of hepatic TG did not appear until P12, after the onset of endoplasmic reticulum (ER) stress on P5. Then, catabolism was enhanced, and FGF21 secretion was increased in the livers of female mice in late pregnancy. We further found that the expression of sec23a, which as the coat protein complex II (COPII) vesicle coat proteins regulates the secretion of FGF21, in the liver was decreased on P19. Conclusion With the activation of ER stress and increased FGF21 secretion during pregnancy, the hepatic TG content changes, suggesting that ER stress and FGF21 may play an important role in balancing lipid homeostasis and meeting maternal and infant energy requirements in late pregnancy.
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Affiliation(s)
- Jiayu Lu
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 544, Jing 4 Rd., Jinan, 250021, Shandong, China.,Shandong Provincial Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, 250021, Shandong, China.,Shandong Institute of Endocrine and Metabolic Disease, Jinan, 250021, Shandong, China
| | - Ying Gong
- Department of Endocrinology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250021, Shandong, China.,Shandong Provincial Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, 250021, Shandong, China.,Shandong Institute of Endocrine and Metabolic Disease, Jinan, 250021, Shandong, China
| | - Xinhong Wei
- Shandong Medical Imaging Research Institute, Shandong University, Jinan, 250021, Shandong, China
| | - Zhenyu Yao
- Department of Endocrinology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250021, Shandong, China.,Shandong Provincial Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, 250021, Shandong, China.,Shandong Institute of Endocrine and Metabolic Disease, Jinan, 250021, Shandong, China
| | - Rui Yang
- Experimental Animal Center, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Jinxing Xin
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 544, Jing 4 Rd., Jinan, 250021, Shandong, China.,Shandong Provincial Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, 250021, Shandong, China.,Shandong Institute of Endocrine and Metabolic Disease, Jinan, 250021, Shandong, China
| | - Ling Gao
- Shandong Provincial Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, 250021, Shandong, China.,Shandong Institute of Endocrine and Metabolic Disease, Jinan, 250021, Shandong, China.,Scientific Center, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Shanshan Shao
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 544, Jing 4 Rd., Jinan, 250021, Shandong, China. .,Shandong Provincial Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, 250021, Shandong, China. .,Shandong Institute of Endocrine and Metabolic Disease, Jinan, 250021, Shandong, China.
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9
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Manna LB, Williamson C. Nuclear receptors, gestational metabolism and maternal metabolic disorders. Mol Aspects Med 2021; 78:100941. [PMID: 33455843 DOI: 10.1016/j.mam.2021.100941] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 01/04/2021] [Indexed: 12/20/2022]
Abstract
Normal pregnancy is characterised by a gradual alteration in metabolism that results in elevated serum bile acids, dyslipidaemia and impaired glucose tolerance in the third trimester. Nuclear receptors play important roles in regulating metabolic pathways that influence alterations in these parameters. There is evidence for altered function of FXR and LXR in gestation; these nuclear receptors play an integral role in bile acid and lipid homeostasis. There is some evidence for influence of clock genes in late pregnancy metabolic changes, and this may be linked to alterations in placental gene expression and function, thereby influencing fetal growth. This article will review the current data from human studies and investigation of animal models to illustrate the role of nuclear receptors (namely LXR, FXR, PPARs and clock genes) in gestational alterations in metabolism and the ways this may influence susceptibility to metabolic disorders of pregnancy such as gestational diabetes mellitus and intrahepatic cholestasis of pregnancy.
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Affiliation(s)
- Luiza Borges Manna
- Division of Women and Children's Health, King's College London, London, United Kingdom
| | - Catherine Williamson
- Division of Women and Children's Health, King's College London, London, United Kingdom.
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10
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Puthanveetil P, Kong X, Bräse S, Voros G, Peer WA. Transcriptome analysis of two structurally related flavonoids; Apigenin and Chrysin revealed hypocholesterolemic and ketogenic effects in mouse embryonic fibroblasts. Eur J Pharmacol 2020; 893:173804. [PMID: 33347826 DOI: 10.1016/j.ejphar.2020.173804] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/02/2020] [Accepted: 12/10/2020] [Indexed: 12/14/2022]
Abstract
There is no known single therapeutic drug for treating hypercholesterolemia that comes with negligible systemic side effects. In the current study, using next generation RNA sequencing approach in mouse embryonic fibroblasts we discovered that two structurally related flavonoid compounds. Apigenin and Chrysin exhibited moderate blocking ability of multiple transcripts that regulate rate limiting enzymes in the cholesterol biosynthesis pathway. The observed decrease in cholesterol biosynthesis pathway correlated well with an increase in transcripts involved in generation and trafficking of ketone bodies as evident by the upregulation of Bdh1 and Slc16a6 transcripts. The hypocholesterolemic potential of Apigenin and Chrysin at higher concentrations along with their ability to generate ketogenic substrate especially during embryonic stage is useful or detrimental for embryonic health is not clear and still debatable. Our study will serve as a steppingstone to further the investigation in whole animal studies and also in translating this knowledge to human studies.
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Affiliation(s)
- Prasanth Puthanveetil
- Department of Pharmacology, College of Graduate Studies, Midwestern University, Downers Grove, IL, USA.
| | - Xiaoli Kong
- Department of Mathematics and Statistics, Loyola University Chicago, Chicago, IL, USA.
| | - Stefan Bräse
- Institute of Biological and Chemical Systems (IBCS), Karlsruhe Institute of Technology (KIT), Hermann von Helmholtz Platz 1, 76344, Eggenstein Leopoldshafen, Germany.
| | - Gabor Voros
- Department of Cardiovascular Diseases, University Hospital Gasthuisberg, Catholic University Leuven, Herestraat 49, 3000, Leuven, Belgium.
| | - Wendy Ann Peer
- Department of Environmental Science and Technology, College of Agricultural and Natural Resources, University of Maryland, MD, USA.
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11
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Lau CHE, Taylor-Bateman V, Vorkas PA, Graça G, Vu THT, Hou L, Chekmeneva E, Ebbels TMD, Chan Q, Van Horn L, Holmes E. Metabolic Signatures of Gestational Weight Gain and Postpartum Weight Loss in a Lifestyle Intervention Study of Overweight and Obese Women. Metabolites 2020; 10:metabo10120498. [PMID: 33291639 PMCID: PMC7761920 DOI: 10.3390/metabo10120498] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/30/2020] [Accepted: 12/01/2020] [Indexed: 12/11/2022] Open
Abstract
Background: Overweight and obesity amongst women of reproductive age are increasingly common in developed economies and are shown to adversely affect birth outcomes and both childhood and adulthood health risks in the offspring. Metabolic profiling in conditions of overweight and obesity in pregnancy could potentially be applied to elucidate the molecular basis of the adverse effects of gestational weight gain (GWG) and postpartum weight loss (WL) on future risks for cardiovascular disease (CVD) and other chronic diseases. Methods: Biofluid samples were collected from 114 ethnically diverse pregnant women with body mass index (BMI) between 25 and 40 kg/m2 from Chicago (US), as part of a randomized lifestyle intervention trial (Maternal Offspring Metabolics: Family Intervention Trial; NCT01631747). At 15 weeks, 35 weeks of gestation, and at 1 year postpartum, the blood plasma lipidome and metabolic profile of urine samples were analyzed by liquid chromatography mass spectrometry (LC-MS) and 1H nuclear magnetic resonance spectroscopy (1H NMR) respectively. Results: Urinary 4-deoxyerythronic acid and 4-deoxythreonic acid were found to be positively correlated to BMI. Seventeen plasma lipids were found to be associated with GWG and 16 lipids were found to be associated with WL, which included phosphatidylinositols (PI), phosphatidylcholines (PC), lysophospholipids (lyso-), sphingomyelins (SM) and ether phosphatidylcholine (PC-O). Three phospholipids found to be positively associated with GWG all contained palmitate side-chains, and amongst the 14 lipids that were negatively associated with GWG, seven were PC-O. Six of eight lipids found to be negatively associated with WL contained an 18:2 fatty acid side-chain. Conclusions: Maternal obesity was associated with characteristic urine and plasma metabolic phenotypes, and phospholipid profile was found to be associated with both GWG and postpartum WL in metabolically healthy pregnant women with overweight/obesity. Postpartum WL may be linked to the reduction in the intake of linoleic acid/conjugated linoleic acid food sources in our study population.
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Affiliation(s)
- Chung-Ho E. Lau
- Section of Nutrition, Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK;
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London W2 1PG, UK;
- Correspondence: (C.-H.E.L.); (E.H.)
| | - Victoria Taylor-Bateman
- Section of Nutrition, Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK;
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Panagiotis A. Vorkas
- Section of Biomolecular Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK;
- Institute of Applied Biosciences, Centre for Research and Technology Hellas, 57001 Thessaloniki, Greece
| | - Gonçalo Graça
- Section of Bioinformatics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK; (G.G.); (T.M.D.E.)
| | - Thanh-Huyen T. Vu
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (T.-H.T.V.); (L.H.); (L.V.H.)
| | - Lifang Hou
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (T.-H.T.V.); (L.H.); (L.V.H.)
| | - Elena Chekmeneva
- National Phenome Centre and Section of Bioanalytical Chemistry, Department of Metabolism, Digestion and Reproduction, Imperial College London, Hammersmith Campus, IRDB Building, London W12 0NN, UK;
| | - Timothy M. D. Ebbels
- Section of Bioinformatics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK; (G.G.); (T.M.D.E.)
| | - Queenie Chan
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London W2 1PG, UK;
- MRC Centre for Environment and Health, Imperial College London, London W2 1PG, UK
| | - Linda Van Horn
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (T.-H.T.V.); (L.H.); (L.V.H.)
| | - Elaine Holmes
- Section of Nutrition, Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK;
- Centre for Computational and Systems Medicine, Health Futures Institute, Murdoch University, Perth, WA 6150, Australia
- Correspondence: (C.-H.E.L.); (E.H.)
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12
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Maternal proteomic profiling reveals alterations in lipid metabolism in late-onset fetal growth restriction. Sci Rep 2020; 10:21033. [PMID: 33273667 PMCID: PMC7713381 DOI: 10.1038/s41598-020-78207-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 11/20/2020] [Indexed: 12/18/2022] Open
Abstract
Fetal growth restriction defined as the failure to achieve the fetal genetic growth potential is a major cause of perinatal morbidity and mortality. The role of maternal adaptations to placental insufficiency in this disorder is still not fully understood. We aimed to investigate the biological processes and protein–protein interactions involved in late-onset fetal growth restriction in particular. We applied 2D nano LC–MS/MS proteomics analysis on maternal blood samples collected at the time of delivery from 5 singleton pregnancies with late-onset fetal growth restriction and 5 uncomplicated pregnancies. Data were analyzed using R package “limma” and Ingenuity Pathway Analysis. 25 proteins showed significant changes in their relative abundance in late-onset fetal growth restriction (p value < 0.05). Direct protein–protein interactions network demonstrated that Neurogenic locus notch homolog protein 1 (NOTCH1) was the most significant putative upstream regulator of the observed profile. Gene ontology analysis of these proteins revealed the involvement of 14 canonical pathways. The most significant biological processes were efflux of cholesterol, efflux of phospholipids, adhesion of blood cells, fatty acid metabolism and dyslipidemia. Future studies are warranted to validate the potential role of the detected altered proteins as potential therapeutic targets in the late-onset form of fetal growth restriction.
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13
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Pataia V, McIlvride S, Papacleovoulou G, Ovadia C, McDonald JAK, Wahlström A, Jansen E, Adorini L, Shapiro D, Marchesi JR, Marschall HU, Williamson C. Obeticholic acid improves fetal bile acid profile in a mouse model of gestational hypercholanemia. Am J Physiol Gastrointest Liver Physiol 2020; 319:G197-G211. [PMID: 32597707 PMCID: PMC7500267 DOI: 10.1152/ajpgi.00126.2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Intrahepatic cholestasis of pregnancy (ICP) is characterized by elevated maternal circulating bile acid levels and associated dyslipidemia. ICP leads to accumulation of bile acids in the fetal compartment, and the elevated bile acid concentrations are associated with an increased risk of adverse fetal outcomes. The farnesoid X receptor agonist obeticholic acid (OCA) is efficient in the treatment of cholestatic conditions such as primary biliary cholangitis. We hypothesized that OCA administration during hypercholanemic pregnancy will improve maternal and fetal bile acid and lipid profiles. Female C57BL/6J mice were fed either a normal chow diet, a 0.5% cholic acid (CA)-supplemented diet, a 0.03% OCA-supplemented diet, or a 0.5% CA + 0.03% OCA-supplemented diet for 1 wk before mating and throughout pregnancy until euthanization on day 18. The effects of CA and OCA feeding on maternal and fetal morphometry, bile acid and lipid levels, and cecal microbiota were investigated. OCA administration during gestation did not alter the maternal or fetal body weight or organ morphometry. OCA treatment during hypercholanemic pregnancy reduced bile acid levels in the fetal compartment. However, fetal dyslipidemia was not reversed, and OCA did not impact maternal bile acid levels or dyslipidemia. In conclusion, OCA administration during gestation had no apparent detrimental impact on maternal or fetal morphometry and improved fetal hypercholanemia. Because high serum bile acid concentrations in ICP are associated with increased rates of adverse fetal outcomes, further investigations into the potential use of OCA during cholestatic gestation are warranted.NEW & NOTEWORTHY We used a mouse model of gestational hypercholanemia to investigate the use of obeticholic acid (OCA), a potent FXR agonist, as a treatment for the hypercholanemia of intrahepatic cholestasis of pregnancy (ICP). The results demonstrate that OCA can improve the fetal bile acid profile. This is relevant not only to women with ICP but also for women who become pregnant while receiving OCA treatment for other conditions such as primary biliary cholangitis and nonalcoholic steatohepatitis.
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Affiliation(s)
- Vanessa Pataia
- 1Department of Women and Children’s Health, King’s College London, London, United Kingdom
| | - Saraid McIlvride
- 1Department of Women and Children’s Health, King’s College London, London, United Kingdom
| | - Georgia Papacleovoulou
- 1Department of Women and Children’s Health, King’s College London, London, United Kingdom
| | - Caroline Ovadia
- 1Department of Women and Children’s Health, King’s College London, London, United Kingdom
| | - Julie A. K. McDonald
- 2MRC Centre for Molecular Bacteriology and Infection, Imperial College London, London, United Kingdom
| | - Annika Wahlström
- 3Department of Molecular and Clinical Medicine/Wallenberg Laboratory, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Eugène Jansen
- 4Centre for Health Protection, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | | | | | - Julian R. Marchesi
- 6Department of Metabolism, Digestion and Reproduction, Imperial College London, London, United Kingdom,7School of Biosciences, Cardiff University, Cardiff, United Kingdom
| | - Hanns-Ulrich Marschall
- 3Department of Molecular and Clinical Medicine/Wallenberg Laboratory, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Catherine Williamson
- 1Department of Women and Children’s Health, King’s College London, London, United Kingdom
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14
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Bellafante E, McIlvride S, Nikolova V, Fan HM, Manna LB, Chambers J, Machirori M, Banerjee A, Murphy K, Martineau M, Schoonjans K, Marschall HU, Jones P, Williamson C. Maternal glucose homeostasis is impaired in mouse models of gestational cholestasis. Sci Rep 2020; 10:11523. [PMID: 32661285 PMCID: PMC7359298 DOI: 10.1038/s41598-020-67968-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 05/28/2020] [Indexed: 12/13/2022] Open
Abstract
Women with intrahepatic cholestasis of pregnancy (ICP), a disorder characterised by raised serum bile acids, are at increased risk of developing gestational diabetes mellitus and have impaired glucose tolerance whilst cholestatic. FXR and TGR5 are modulators of glucose metabolism, and FXR activity is reduced in normal pregnancy, and further in ICP. We aimed to investigate the role of raised serum bile acids, FXR and TGR5 in gestational glucose metabolism using mouse models. Cholic acid feeding resulted in reduced pancreatic β-cell proliferation and increased apoptosis in pregnancy, without altering insulin sensitivity, suggesting that raised bile acids affect β-cell mass but are insufficient to impair glucose tolerance. Conversely, pregnant Fxr-/- and Tgr5-/- mice are glucose intolerant and have reduced insulin secretion in response to glucose challenge, and Fxr-/- mice are also insulin resistant. Furthermore, fecal bile acids are reduced in pregnant Fxr-/- mice. Lithocholic acid and deoxycholic acid, the principal ligands for TGR5, are decreased in particular. Therefore, we propose that raised serum bile acids and reduced FXR and TGR5 activity contribute to the altered glucose metabolism observed in ICP.
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MESH Headings
- Animals
- Bile Acids and Salts/blood
- Cholestasis, Intrahepatic/blood
- Cholestasis, Intrahepatic/genetics
- Cholestasis, Intrahepatic/metabolism
- Cholestasis, Intrahepatic/pathology
- Diabetes, Gestational/blood
- Diabetes, Gestational/genetics
- Diabetes, Gestational/metabolism
- Diabetes, Gestational/pathology
- Disease Models, Animal
- Female
- Glucose/metabolism
- Glucose Intolerance/genetics
- Glucose Intolerance/metabolism
- Glucose Intolerance/pathology
- Homeostasis/genetics
- Humans
- Insulin Resistance/genetics
- Insulin-Secreting Cells/metabolism
- Insulin-Secreting Cells/pathology
- Maternal Inheritance/genetics
- Mice
- Pregnancy
- Pregnancy Complications/blood
- Pregnancy Complications/genetics
- Pregnancy Complications/metabolism
- Pregnancy Complications/pathology
- Receptors, Cytoplasmic and Nuclear/genetics
- Receptors, G-Protein-Coupled/genetics
- Risk Factors
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Affiliation(s)
- Elena Bellafante
- School of Life Course Sciences, King's College London, London, UK
| | - Saraid McIlvride
- School of Life Course Sciences, King's College London, London, UK
| | - Vanya Nikolova
- School of Life Course Sciences, King's College London, London, UK
| | - Hei Man Fan
- School of Life Course Sciences, King's College London, London, UK
| | | | - Jenny Chambers
- School of Life Course Sciences, King's College London, London, UK
- Women's Health Research Centre, Imperial College London, London, UK
| | - Mavis Machirori
- Women's Health Research Centre, Imperial College London, London, UK
| | | | - Kevin Murphy
- Department of Medicine, Imperial College London, London, UK
| | - Marcus Martineau
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - Kristina Schoonjans
- Laboratory of Integrative and Systems Physiology, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Hanns-Ulrich Marschall
- Department of Molecular and Clinical Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Peter Jones
- School of Life Course Sciences, King's College London, London, UK
| | - Catherine Williamson
- School of Life Course Sciences, King's College London, London, UK.
- Maternal and Fetal Disease Group, Hodgkin Building, Guy's Campus, King's College London, London, SE1 1UL, UK.
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15
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McIlvride S, Nikolova V, Fan HM, McDonald JAK, Wahlström A, Bellafante E, Jansen E, Adorini L, Shapiro D, Jones P, Marchesi JR, Marschall HU, Williamson C. Obeticholic acid ameliorates dyslipidemia but not glucose tolerance in mouse model of gestational diabetes. Am J Physiol Endocrinol Metab 2019; 317:E399-E410. [PMID: 31237448 PMCID: PMC6732461 DOI: 10.1152/ajpendo.00407.2018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 05/21/2019] [Accepted: 06/18/2019] [Indexed: 12/14/2022]
Abstract
Metabolism alters markedly with advancing gestation, characterized by progressive insulin resistance, dyslipidemia, and raised serum bile acids. The nuclear receptor farnesoid X receptor (FXR) has an integral role in bile acid homeostasis and modulates glucose and lipid metabolism. FXR is known to be functionally suppressed in pregnancy. The FXR agonist, obeticholic acid (OCA), improves insulin sensitivity in patients with type 2 diabetes with nonalcoholic fatty liver disease. We therefore hypothesized that OCA treatment during pregnancy could improve disease severity in a mouse model of gestational diabetes mellitus (GDM). C57BL/6J mice were fed a high-fat diet (HFD; 60% kcal from fat) for 4 wk before and throughout pregnancy to induce GDM. The impact of the diet supplemented with 0.03% OCA throughout pregnancy was studied. Pregnant HFD-fed mice displayed insulin resistance and dyslipidemia. OCA significantly reduced plasma cholesterol concentrations in nonpregnant and pregnant HFD-fed mice (by 22.4%, P < 0.05 and 36.4%, P < 0.001, respectively) and reduced the impact of pregnancy on insulin resistance but did not change glucose tolerance. In nonpregnant HFD-fed mice, OCA ameliorated weight gain, reduced mRNA expression of inflammatory markers in white adipose tissue, and reduced plasma glucagon-like peptide 1 concentrations (by 62.7%, P < 0.01). However, these effects were not evident in pregnant mice. OCA administration can normalize plasma cholesterol levels in a mouse model of GDM. However, the absence of several of the effects of OCA in pregnant mice indicates that the agonistic action of OCA is not sufficient to overcome many metabolic consequences of the pregnancy-associated reduction in FXR activity.
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Affiliation(s)
- Saraid McIlvride
- School of Life Course Sciences, King's College London, London, United Kingdom
| | - Vanya Nikolova
- School of Life Course Sciences, King's College London, London, United Kingdom
| | - Hei Man Fan
- School of Life Course Sciences, King's College London, London, United Kingdom
| | - Julie A K McDonald
- Department of Surgery and Cancer, Imperial College London, London, United Kingdom
| | - Annika Wahlström
- Department of Molecular and Clinical Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Elena Bellafante
- School of Life Course Sciences, King's College London, London, United Kingdom
| | - Eugene Jansen
- National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | | | | | - Peter Jones
- School of Life Course Sciences, King's College London, London, United Kingdom
| | - Julian R Marchesi
- Department of Surgery and Cancer, Imperial College London, London, United Kingdom
- School of Biosciences, Cardiff University, Cardiff, United Kingdom
| | - Hanns-Ulrich Marschall
- Department of Molecular and Clinical Medicine, University of Gothenburg, Gothenburg, Sweden
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16
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Kleess LE, Janicic N. SEVERE HYPERTRIGLYCERIDEMIA IN PREGNANCY: A CASE REPORT AND REVIEW OF THE LITERATURE. AACE Clin Case Rep 2018; 5:e99-e103. [PMID: 31967011 DOI: 10.4158/accr-2018-0168] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 09/11/2018] [Indexed: 12/18/2022] Open
Abstract
Objective Severe gestational hypertriglyceridemia is a rare disease, and there are no published guidelines to assist the clinician in management. However, due to the elevations in lipids that occur during pregnancy, this condition is encountered in clinical practice and presents a therapeutic dilemma. We report the successful management and treatment of a patient with severe gestational hypertriglyceridemia and conducted a review of the literature regarding treatment modalities. Methods We conducted a search in PubMed from 1990 to 2018 for the following terms: "severe hypertriglyceridemia in pregnancy;" "management of hypertriglyceridemia in pregnancy;" "apheresis for severe gestational hypertriglyceridemia;" "TPN for severe gestational hypertriglyceridemia;" "insulin for severe gestational hypertriglyceridemia;" and "heparin for treatment of severe hypertriglyceridemia." We then reviewed the literature. Results Given the risks to the mother and fetus of severe hypertriglyceridemia, aggressive therapy should be initiated within a multidisciplinary team. There are multiple treatment modalities, including restrictive diet, various medications such as niacin, fibrates, intravenous heparin, insulin, and apheresis. Choice of treatment will depend on the patient's comorbidities, clinical status, and if there are any associated complications. Conclusion Treatment for severe gestational hypertriglyceridemia should be initiated immediately and aggressively to avoid risk to the mother and infant, including pancreatitis, hyperviscosity syndrome, preeclampsia, fetal death, and preterm labor.
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17
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Paternal cholestasis exacerbates obesity-associated hypertension in male offspring but is prevented by paternal ursodeoxycholic acid treatment. Int J Obes (Lond) 2018; 43:319-330. [PMID: 29795465 PMCID: PMC6124644 DOI: 10.1038/s41366-018-0095-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 02/04/2018] [Accepted: 02/09/2018] [Indexed: 11/30/2022]
Abstract
Background: Obesity is a heterogeneous phenotype and risk associations to non-communicable diseases such as cardiovascular disease and type 2 diabetes are influenced by several factors. The paternal metabolic status at the time of conception influences offspring susceptibility to developing obesity and adiposity-associated cardiometabolic disease. Cholestatic liver diseases are characterized by raised circulating serum bile acid levels and dyslipidemia, and are commonly treated with ursodeoxycholic acid (UDCA). We hypothesized that paternal cholestasis alters offspring susceptibility to developing obesity and adiposity-associated cardiometabolic disease and that this may be modified by paternal UDCA treatment. Methods: Cholestasis was induced in male C57BL/6 mice with a 0.5% cholic acid (CA)-supplemented diet for 10 weeks prior to mating with normal chow (NC)-fed females. Offspring of cholestatic and NC-fed fathers were fed either a NC diet or challenged with an obesogenic ‘western diet’ (WD) from 12 weeks of age. Offspring body weight and cardiometabolic function were assessed, and the impact of treatment of paternal cholestasis with UDCA was evaluated. Results: Male offspring (18 weeks old) of cholestatic fathers challenged with WD had raised fasting insulin, hepatic triglyceride content and serum cholesterol levels compared to diet-matched controls. At 25–29 weeks of age, WD-fed male offspring of cholestatic fathers had higher systolic and diastolic blood pressure than controls and this was prevented by paternal UDCA treatment. In contrast, WD-challenged female offspring of cholestatic fathers showed improved glucose tolerance compared to controls. Conclusions: We demonstrated in our model of paternal cholestasis that offspring susceptibility to adiposity-associated cardiometabolic disease is affected in a sex-specific manner and paternal UDCA treatment had a protective effect against hypertension in the obese male offspring. The most prevalent human cholestatic conditions are primary sclerosing cholangitis and primary biliary cholangitis. These findings are of clinical relevance to children of men with these conditions.
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