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Yen IW, Lin SY, Lin MW, Lee CN, Kuo CH, Chen SC, Tai YY, Kuo CH, Kuo HC, Lin HH, Juan HC, Lin CH, Fan KC, Wang CY, Li HY. The association between plasma angiopoietin-like protein 4, glucose and lipid metabolism during pregnancy, placental function, and risk of delivering large-for-gestational-age neonates. Clin Chim Acta 2024; 554:117775. [PMID: 38220135 DOI: 10.1016/j.cca.2024.117775] [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: 09/11/2023] [Revised: 12/18/2023] [Accepted: 01/08/2024] [Indexed: 01/16/2024]
Abstract
BACKGROUND Large-for-gestational-age (LGA) neonates have increased risk of adverse pregnancy outcomes and adult metabolic diseases. We aimed to investigate the relationship between plasma angiopoietin-like protein 4 (ANGPTL4), a protein involved in lipid and glucose metabolism during pregnancy, placental function, growth factors, and the risk of LGA. METHODS We conducted a prospective cohort study and recruited women with singleton pregnancies at the National Taiwan University Hospital between 2013 and 2018. First trimester maternal plasma ANGPTL4 concentrations were measured. RESULTS Among 353 pregnant women recruited, the LGA group had higher first trimester plasma ANGPTL4 concentrations than the appropriate-for-gestational-age group. Plasma ANGPTL4 was associated with hemoglobin A1c, post-load plasma glucose, plasma triglyceride, plasma free fatty acid concentrations, plasma growth hormone variant (GH-V), and birth weight, but was not associated with cord blood growth factors. After adjusting for age, body mass index, hemoglobin A1c, and plasma triglyceride concentrations, plasma ANGPTL4 concentrations were significantly associated with LGA risk, and its predictive performance, as measured by the area under the receiver operating characteristic curve, outperformed traditional risk factors for LGA. CONCLUSIONS Plasma ANGPTL4 is associated with glucose and lipid metabolism during pregnancy, plasma GH-V, and birth weight, and is an early biomarker for predicting the risk of LGA.
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Affiliation(s)
- I-Weng Yen
- Department of Internal Medicine, National Taiwan University Hospital, Hsin-Chu Branch, Hsin-Chu County, Taiwan; Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Shin-Yu Lin
- Department of Obstetrics and Gynecology, National Taiwan University Hospital, Taipei, Taiwan
| | - Ming-Wei Lin
- Department of Obstetrics and Gynecology, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu County, Taiwan
| | - Chien-Nan Lee
- Department of Obstetrics and Gynecology, National Taiwan University Hospital, Taipei, Taiwan
| | - Chun-Heng Kuo
- Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan; Department of Internal Medicine, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei City, Taiwan
| | | | - Yi-Yun Tai
- Department of Obstetrics and Gynecology, National Taiwan University Hospital, Taipei, Taiwan
| | - Ching-Hua Kuo
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 100, Taiwan; The Metabolomics Core Laboratory, Centers of Genomic and Precision Medicine, National Taiwan University, Taipei 100, Taiwan
| | - Han-Chun Kuo
- The Metabolomics Core Laboratory, Centers of Genomic and Precision Medicine, National Taiwan University, Taipei 100, Taiwan
| | - Heng-Huei Lin
- Department of Obstetrics and Gynecology, National Taiwan University Hospital, Taipei, Taiwan
| | - Hsien-Chia Juan
- Department of Internal Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Chia-Hung Lin
- Division of Endocrinology and Metabolism, Department of Internal Medicine, National Taiwan University Hospital, 7 Chung-Shan South Road, Taipei, Taiwan
| | - Kang-Chih Fan
- Department of Internal Medicine, National Taiwan University Hospital, Hsin-Chu Branch, Hsin-Chu County, Taiwan; Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Chih-Yuan Wang
- Department of Internal Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan; Division of Endocrinology and Metabolism, Department of Internal Medicine, National Taiwan University Hospital, 7 Chung-Shan South Road, Taipei, Taiwan
| | - Hung-Yuan Li
- Division of Endocrinology and Metabolism, Department of Internal Medicine, National Taiwan University Hospital, 7 Chung-Shan South Road, Taipei, Taiwan.
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Ziqubu K, Dludla PV, Mabhida SE, Jack BU, Keipert S, Jastroch M, Mazibuko-Mbeje SE. Brown adipose tissue-derived metabolites and their role in regulating metabolism. Metabolism 2024; 150:155709. [PMID: 37866810 DOI: 10.1016/j.metabol.2023.155709] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 09/28/2023] [Accepted: 10/14/2023] [Indexed: 10/24/2023]
Abstract
The discovery and rejuvenation of metabolically active brown adipose tissue (BAT) in adult humans have offered a new approach to treat obesity and metabolic diseases. Beyond its accomplished role in adaptive thermogenesis, BAT secretes signaling molecules known as "batokines", which are instrumental in regulating whole-body metabolism via autocrine, paracrine, and endocrine action. In addition to the intrinsic BAT metabolite-oxidizing activity, the endocrine functions of these molecules may help to explain the association between BAT activity and a healthy systemic metabolic profile. Herein, we review the evidence that underscores the significance of BAT-derived metabolites, especially highlighting their role in controlling physiological and metabolic processes involving thermogenesis, substrate metabolism, and other essential biological processes. The conversation extends to their capacity to enhance energy expenditure and mitigate features of obesity and its related metabolic complications. Thus, metabolites derived from BAT may provide new avenues for the discovery of metabolic health-promoting drugs with far-reaching impacts. This review aims to dissect the complexities of the secretory role of BAT in modulating local and systemic metabolism in metabolic health and disease.
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Affiliation(s)
- Khanyisani Ziqubu
- Department of Biochemistry, North-West University, Mmabatho 2745, South Africa
| | - Phiwayinkosi V Dludla
- Cochrane South Africa, South African Medical Research Council, Tygerberg 7505, South Africa; Department of Biochemistry and Microbiology, Faculty of Science and Agriculture, University of Zululand, KwaDlangezwa 3886, South Africa
| | - Sihle E Mabhida
- Non-Communicable Diseases Research Unit, South African Medical Research Council, Tygerberg 7505, South Africa
| | - Babalwa U Jack
- Biomedical Research and Innovation Platform, South African Medical Research Council, Tygerberg 7505, South Africa
| | - Susanne Keipert
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-106 91 Stockholm, Sweden
| | - Martin Jastroch
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-106 91 Stockholm, Sweden
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Meek CL. An unwelcome inheritance: childhood obesity after diabetes in pregnancy. Diabetologia 2023; 66:1961-1970. [PMID: 37442824 PMCID: PMC10541526 DOI: 10.1007/s00125-023-05965-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 06/12/2023] [Indexed: 07/15/2023]
Abstract
Diabetes in pregnancy affects 20 million women per year and is associated with increased risk of obesity in offspring, leading to insulin resistance and cardiometabolic disease. Despite the substantial public health ramifications, relatively little is known about the pathophysiological mechanisms underlying obesity in these high-risk children, which creates a barrier to successful intervention. While maternal glucose itself is undeniably a major stimulus upon intrauterine growth, the degree of offspring hyperinsulinism and disturbed lipid metabolism in mothers and offspring are also likely to be implicated in the disease process. The aim of this review is to summarise current understanding of the pathophysiology of childhood obesity after intrauterine exposure to maternal hyperglycaemia and to highlight possible opportunities for intervention. I present here a new unified hypothesis for the pathophysiology of childhood obesity in infants born to mothers with diabetes, which involves self-perpetuating twin cycles of pancreatic beta cell hyperfunction and altered lipid metabolism, both acutely and chronically upregulated by intrauterine exposure to maternal hyperglycaemia.
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Affiliation(s)
- Claire L Meek
- Wellcome Trust MRC Institute of Metabolic Science, University of Cambridge, Cambridge, UK.
- Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
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The ANGPTL3-4-8 Axis in Normal Gestation and in Gestational Diabetes, and Its Potential Involvement in Fetal Growth. Int J Mol Sci 2023; 24:ijms24032486. [PMID: 36768809 PMCID: PMC9917010 DOI: 10.3390/ijms24032486] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/18/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
Dyslipidemia in gestational diabetes has been associated with worse perinatal outcomes. The ANGPTL3-4-8 axis regulates lipid metabolism, especially in the transition from fasting to feeding. In this study, we evaluated the response of ANGPTL3, 4, and 8 after the intake of a mixed meal in women with normal glucose tolerance and gestational diabetes, and we assessed their gene expressions in different placental locations. Regarding the circulating levels of ANGPTL3, 4, and 8, we observed an absence of ANGPTL4 response after the intake of the meal in the GDM group compared to its presence in the control group. At the placental level, we observed a glucose tolerance-dependent expression pattern of ANGPTL3 between the two placental sides. When we compared the GDM pregnancies with the control pregnancies, a downregulation of the maternal side ANGPTL3 expression was observed. This suggests a dysregulation of the ANGPTL3-4-8 axis in GDM, both at the circulating level after ingestion and at the level of placental expression. Furthermore, we discerned that the expressions of ANGPTL3, 4, and 8 were related to birth weight and placental weight in the GDM group, but not in the control group, which suggests that they may play a role in regulating the transplacental passage of nutrients.
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Pérez-López FR, Yuan J, Sánchez-Prieto M, López-Baena MT, Pérez-Roncero GR, Varikasuvu SR. Maternal and cord blood betatrophin (angiopoietin-like protein 8) in pregnant women with gestational diabetes and normoglycemic controls: A systematic review, meta-analysis, and meta-regression. Diabetes Metab Res Rev 2023; 39:e3612. [PMID: 36656279 DOI: 10.1002/dmrr.3612] [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: 09/25/2022] [Revised: 11/15/2022] [Accepted: 01/13/2023] [Indexed: 01/20/2023]
Abstract
AIMS This systematic review and meta-analysis examined maternal and cord blood betatrophin levels in pregnant women with gestational diabetes mellitus (GDM) and normoglycemic controls. MATERIAL AND METHODS PubMed, Cochrane Library, Embase, LILACS, WangFang, and China National Knowledge Infrastructure were searched for literature from inception until May 2022. The primary outcomes were maternal and cord blood betatrophin levels. A random-effect meta-analysis was used to estimate the pooled results. The mean differences (MDs) or standardised MDs (SMD) and their 95% confidence intervals (CIs) were calculated. I2 tests were used to evaluate the heterogeneity. The quality of studies was evaluated using the Newcastle-Ottawa Scale. RESULTS Betatrophin levels were reported in 22 studies with a total of 3034 pregnant women, and in seven studies including cord blood from 456 infants. Women with GDM display higher betatrophin levels than the normoglycemic controls (SMD = 0.85, 95% CI: 0.38-1.31) during the second half of the pregnancy. The sensitivity analysis indicated that no single study had significantly influenced the betatrophin overall outcomes. There was heterogeneity between the studies as evidenced by high I2 values. Meta-regression analysis indicated a significant regression coefficient for maternal betatrophin and glycosilated haemoglobin. There was no significant difference in cord blood betatrophin in infants from women with and without GDM (SMD = 0.34, 95% CI: -0.15-0.83). Women with GDM also had significantly higher insulin, glucose, glycosylated haemoglobin, HOMA-IR, LDL-cholesterol, HDL-cholesterol, triglycerides, and body mass index compared with the normoglycemic controls. CONCLUSIONS Maternal betatrophin levels were higher in women with GDM than in the normoglycemic controls. There was no difference in cord blood betatrophin. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42022311372.
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Affiliation(s)
- Faustino R Pérez-López
- Faculty of Medicine, University of Zaragoza, Zaragoza, Spain
- Aragón Health Research Institute, Zaragoza, Spain
| | - Junhua Yuan
- Special Medicine Department, School of Basic Medicine, Qingdao University, Qingado, China
| | - Manuel Sánchez-Prieto
- Department of Obstetrics and Gynecology, Dexeus University Hospital, Barcelona, Spain
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Chen RB, Wang QY, Wang YY, Wang YD, Liu JH, Liao ZZ, Xiao XH. Feeding-induced hepatokines and crosstalk with multi-organ: A novel therapeutic target for Type 2 diabetes. Front Endocrinol (Lausanne) 2023; 14:1094458. [PMID: 36936164 PMCID: PMC10020511 DOI: 10.3389/fendo.2023.1094458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 02/15/2023] [Indexed: 03/06/2023] Open
Abstract
Hyperglycemia, which can be caused by either an insulin deficit and/or insulin resistance, is the main symptom of Type 2 diabetes, a significant endocrine metabolic illness. Conventional medications, including insulin and oral antidiabetic medicines, can alleviate the signs of diabetes but cannot restore insulin release in a physiologically normal amount. The liver detects and reacts to shifts in the nutritional condition that occur under a wide variety of metabolic situations, making it an essential organ for maintaining energy homeostasis. It also performs a crucial function in glucolipid metabolism through the secretion of hepatokines. Emerging research shows that feeding induces hepatokines release, which regulates glucose and lipid metabolism. Notably, these feeding-induced hepatokines act on multiple organs to regulate glucolipotoxicity and thus influence the development of T2DM. In this review, we focus on describing how feeding-induced cross-talk between hepatokines, including Adropin, Manf, Leap2 and Pcsk9, and metabolic organs (e.g.brain, heart, pancreas, and adipose tissue) affects metabolic disorders, thus revealing a novel approach for both controlling and managing of Type 2 diabetes as a promising medication.
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Affiliation(s)
- Rong-Bin Chen
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Qi-Yu Wang
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Yuan-Yuan Wang
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Ya-Di Wang
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Jiang-Hua Liu
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Zhe-Zhen Liao
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- *Correspondence: Xin-Hua Xiao, ; Zhe-Zhen Liao,
| | - Xin-Hua Xiao
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- *Correspondence: Xin-Hua Xiao, ; Zhe-Zhen Liao,
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Algaba-Chueca F, Maymó-Masip E, Ballesteros M, Guarque A, Majali-Martínez A, Freixes O, Amigó N, Fernández-Veledo S, Vendrell J, Megía A. Cord Blood Advanced Lipoprotein Testing Reveals an Interaction between Gestational Diabetes and Birth-Weight and Suggests a New Early Biomarker of Infant Obesity. Biomedicines 2022; 10:biomedicines10051033. [PMID: 35625770 PMCID: PMC9138640 DOI: 10.3390/biomedicines10051033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/25/2022] [Accepted: 04/27/2022] [Indexed: 02/06/2023] Open
Abstract
Abnormal lipid metabolism is associated with gestational diabetes mellitus (GDM) and is observed in neonates with abnormal fetal growth. However, the underlying specific changes in the lipoprotein profile remain poorly understood. Thus, in the present study we used a novel nuclear magnetic resonance (NMR)-based approach to profile the umbilical cord serum lipoproteins. Two-dimensional diffusion-ordered 1H-NMR spectroscopy showed that size, lipid content, number and concentration of particles within their subclasses were similar between offspring born to control (n = 74) and GDM (n = 62) mothers. Subsequent data stratification according to newborn birth-weight categories, i.e., small (n = 39), appropriate (n = 50) or large (n = 49) for gestational age (SGA, AGA and LGA, respectively), showed an interaction between GDM and birth-weight categories for intermediate-density lipoproteins (IDL)-cholesterol content and IDL- and low-density lipoproteins (LDL)-triglyceride content, and the number of medium very low-density lipoproteins (VLDL) and LDL particles specifically in AGA neonates. Moreover, in a 2-year follow-up study, we observed that small LDL particles were independently associated with offspring obesity at 2 years (n = 103). Collectively, our data demonstrate that GDM disturbs triglyceride and cholesterol lipoprotein content across birth-weight categories, with AGA neonates born to GDM mothers displaying a profile more similar to that of adults with dyslipidemia. Furthermore, an altered fetal lipoprotein pattern was associated with the development of obesity at 2 years.
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Affiliation(s)
- Francisco Algaba-Chueca
- Department of Endocrinology and Nutrition and Research Unit, Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili (IISPV), Dr. Mallafre Guasch, 4, 43005 Tarragona, Spain; (F.A.-C.); (E.M.-M.); (O.F.); (S.F.-V.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)—Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Departament of Basic Medical Sciences and Department of Medicine and Surgery, Rovira i Virgili University, 43005 Tarragona, Spain; (M.B.); (A.G.)
| | - Elsa Maymó-Masip
- Department of Endocrinology and Nutrition and Research Unit, Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili (IISPV), Dr. Mallafre Guasch, 4, 43005 Tarragona, Spain; (F.A.-C.); (E.M.-M.); (O.F.); (S.F.-V.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)—Instituto de Salud Carlos III, 28029 Madrid, Spain;
| | - Mónica Ballesteros
- Departament of Basic Medical Sciences and Department of Medicine and Surgery, Rovira i Virgili University, 43005 Tarragona, Spain; (M.B.); (A.G.)
- Department of Obstetrics and Gynecology, Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili (IISPV), Dr. Mallafre Guasch, 4, 43005 Tarragona, Spain
| | - Albert Guarque
- Departament of Basic Medical Sciences and Department of Medicine and Surgery, Rovira i Virgili University, 43005 Tarragona, Spain; (M.B.); (A.G.)
- Department of Obstetrics and Gynecology, Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili (IISPV), Dr. Mallafre Guasch, 4, 43005 Tarragona, Spain
| | | | - Olga Freixes
- Department of Endocrinology and Nutrition and Research Unit, Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili (IISPV), Dr. Mallafre Guasch, 4, 43005 Tarragona, Spain; (F.A.-C.); (E.M.-M.); (O.F.); (S.F.-V.)
| | - Núria Amigó
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)—Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Departament of Basic Medical Sciences and Department of Medicine and Surgery, Rovira i Virgili University, 43005 Tarragona, Spain; (M.B.); (A.G.)
- Biosfer Teslab SL Plaça del Prim, 10 2on 5a, 43201 Reus, Spain
| | - Sonia Fernández-Veledo
- Department of Endocrinology and Nutrition and Research Unit, Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili (IISPV), Dr. Mallafre Guasch, 4, 43005 Tarragona, Spain; (F.A.-C.); (E.M.-M.); (O.F.); (S.F.-V.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)—Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Departament of Basic Medical Sciences and Department of Medicine and Surgery, Rovira i Virgili University, 43005 Tarragona, Spain; (M.B.); (A.G.)
| | - Joan Vendrell
- Department of Endocrinology and Nutrition and Research Unit, Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili (IISPV), Dr. Mallafre Guasch, 4, 43005 Tarragona, Spain; (F.A.-C.); (E.M.-M.); (O.F.); (S.F.-V.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)—Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Departament of Basic Medical Sciences and Department of Medicine and Surgery, Rovira i Virgili University, 43005 Tarragona, Spain; (M.B.); (A.G.)
- Correspondence: (J.V.); (A.M.); Tel.: +34-977-29-58-00 (A.M.)
| | - Ana Megía
- Department of Endocrinology and Nutrition and Research Unit, Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili (IISPV), Dr. Mallafre Guasch, 4, 43005 Tarragona, Spain; (F.A.-C.); (E.M.-M.); (O.F.); (S.F.-V.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)—Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Departament of Basic Medical Sciences and Department of Medicine and Surgery, Rovira i Virgili University, 43005 Tarragona, Spain; (M.B.); (A.G.)
- Department of Obstetrics and Gynecology, Medical University of Graz, 8036 Graz, Austria;
- Correspondence: (J.V.); (A.M.); Tel.: +34-977-29-58-00 (A.M.)
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Novel Biomolecules in the Pathogenesis of Gestational Diabetes Mellitus 2.0. Int J Mol Sci 2022; 23:ijms23084364. [PMID: 35457182 PMCID: PMC9031541 DOI: 10.3390/ijms23084364] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 12/04/2022] Open
Abstract
Gestational diabetes mellitus (GDM) has become a major public health problem and one of the most discussed issues in modern obstetrics. GDM is associated with serious adverse perinatal outcomes and long-term health consequences for both the mother and child. Currently, the importance and purposefulness of finding a biopredictor that will enable the identification of women with an increased risk of developing GDM as early as the beginning of pregnancy are highly emphasized. Both “older” molecules, such as adiponectin and leptin, and “newer” adipokines, including fatty acid-binding protein 4 (FABP4), have proven to be of pathophysiological importance in GDM. Therefore, in our previous review, we presented 13 novel biomolecules, i.e., galectins, growth differentiation factor-15, chemerin, omentin-1, osteocalcin, resistin, visfatin, vaspin, irisin, apelin, FABP4, fibroblast growth factor 21, and lipocalin-2. The purpose of this review is to present the potential and importance of another nine lesser known molecules in the pathogenesis of GDM, i.e., 3-carboxy-4-methyl-5-propyl-2-furanpropanoic acid (CMPF), angiopoietin-like protein-8 (ANGPTL-8), nesfatin-1, afamin, adropin, fetuin-A, zonulin, secreted frizzled-related proteins (SFRPs), and amylin. It seems that two of them, fetuin-A and zonulin in high serum levels, may be applied as biopredictors of GDM.
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Molecular cloning and characterization of angiopoietin-like protein-8 gene in pigs and its tissue-specific expression in different animals. Biologia (Bratisl) 2021. [DOI: 10.1007/s11756-021-00824-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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Brandão BB, Poojari A, Rabiee A. Thermogenic Fat: Development, Physiological Function, and Therapeutic Potential. Int J Mol Sci 2021; 22:5906. [PMID: 34072788 PMCID: PMC8198523 DOI: 10.3390/ijms22115906] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 04/30/2021] [Accepted: 05/27/2021] [Indexed: 12/11/2022] Open
Abstract
The concerning worldwide increase of obesity and chronic metabolic diseases, such as T2D, dyslipidemia, and cardiovascular disease, motivates further investigations into preventive and alternative therapeutic approaches. Over the past decade, there has been growing evidence that the formation and activation of thermogenic adipocytes (brown and beige) may serve as therapy to treat obesity and its associated diseases owing to its capacity to increase energy expenditure and to modulate circulating lipids and glucose levels. Thus, understanding the molecular mechanism of brown and beige adipocytes formation and activation will facilitate the development of strategies to combat metabolic disorders. Here, we provide a comprehensive overview of pathways and players involved in the development of brown and beige fat, as well as the role of thermogenic adipocytes in energy homeostasis and metabolism. Furthermore, we discuss the alterations in brown and beige adipose tissue function during obesity and explore the therapeutic potential of thermogenic activation to treat metabolic syndrome.
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Affiliation(s)
- Bruna B. Brandão
- Section of Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA 02215, USA;
| | - Ankita Poojari
- Department of Physiology & Pharmacology, Thomas J. Long School of Pharmacy & Health Sciences, University of the Pacific, Stockton, CA 95211, USA;
| | - Atefeh Rabiee
- Department of Physiology & Pharmacology, Thomas J. Long School of Pharmacy & Health Sciences, University of the Pacific, Stockton, CA 95211, USA;
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ANGPTL8 in cardio-metabolic diseases. Clin Chim Acta 2021; 519:260-266. [PMID: 34023284 DOI: 10.1016/j.cca.2021.05.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 05/08/2021] [Accepted: 05/19/2021] [Indexed: 12/14/2022]
Abstract
Dyslipidemia has been identified as an important factor in obesity, diabetes mellitus, and cardiovascular diseases (CVD), grouped as cardio-metabolic disorder diseases. Accordingly, dyslipidemia has become a major determinant in health worldwide. Both genome-wide association studies (GWAS) and research studies have focused on the elucidation of potential genetic mechanisms of dyslipidemia and the identification of new gene loci which contribute to the development of cardio-metabolic disorder diseases. Recent results indicate that both the ANGPTL8 gene and ANGPTL8 protein perform vital roles in modulating serum glucose and lipid metabolism. In this review, we examine the modulatory effects of ANGPTL8 and explore the potential mechanisms whereby ANGPTL8 affects serum glucose and lipid metabolism in cardio-metabolic disorder diseases.
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Yang F, Yang W, Wang G, Liu Y, Jin J. Association of betatrophin amounts with 25-(OH)D levels in patients with gestational diabetes mellitus. Medicine (Baltimore) 2021; 100:e25646. [PMID: 33879746 PMCID: PMC8078436 DOI: 10.1097/md.0000000000025646] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 03/18/2021] [Indexed: 01/04/2023] Open
Abstract
To determine the association of betatrophin amounts with 25-(OH)D levels in gestational diabetes mellitus (GDM) patients, and to provide new targets for the prevention and treatment of GDM.This study included 40 GDM patients (GDM group) and 37 healthy pregnant women (control group). Betatrophin, 25-(OH)D, fasting blood glucose (FBG), HbA1c, hsCRP, and FINS levels in peripheral blood, as well as betatrophin and 25-(OH)D amounts in cord blood, were measured. Then, associations of betatrophin levels with 25-(OH)D amounts and other indexes were determined.Maternal (P = .011) and cord (P = .022) blood betatrophin levels were significantly lower in the GDM group compared with control group. Cord blood betatrophin levels were higher compared with maternal blood amounts in both the GDM and control groups (both P = .000). Serum betatrophin levels were positively associated with 25-(OH)D levels (r = 0.677, P = .000), but negatively associated with hsCRP (r = -0.335, P = .037) and HOMA-IR (r = -0.346, P = .031) levels in the GDM group. Fetal weight was higher in the GDM group compared with control group (P = .023), and negatively associated with cord blood betatrophin amounts in the GDM group (r = -0.342, P = .031). However, cord blood betatrophin levels were not significantly associated with body length, Apgar score, and cord blood 25-(OH)D levels in the GDM group (all P > .05).Serum betatrophin and 25-(OH) D levels were positively associated in women with GDM, and both significantly lower compared with control values. Fetal weight was higher in the GDM group and associated with cord blood betatrophin. These findings provide insights into developing new predictive biomarkers or therapeutic targets for GDM.
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Affiliation(s)
| | | | | | | | - Jun Jin
- Clinical Lab Department, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, Jiangsu Province, China
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Su X, Zhang G, Cheng Y, Wang B. New insights into ANGPTL8 in modulating the development of cardio-metabolic disorder diseases. Mol Biol Rep 2021; 48:3761-3771. [PMID: 33864591 DOI: 10.1007/s11033-021-06335-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 04/02/2021] [Indexed: 12/14/2022]
Abstract
Dyslipidemia is being identified as the most important factors of several health problems, such as obesity, diabetes mellitus, and cardiovascular diseases (CVD), which are always grouped together as cardio-metabolic disorder diseases. Consistently, dyslipidemia has become one of the most rising crisis of general health. Recently, it is worth noting that both genome-wide association studies (GWAS) and experimental research are being taken advantage to elucidate the potential genetic mechanisms of dyslipidemia and to identify new gene loci which contribute to the development of cardio-metabolic disorder diseases. According to the results, both ANGPTL8 gene and ANGPTL8 protein has been shown to embrace vital functions in modulating serum glucose and lipid metabolism. In the current review, the modulatory effects of ANGPTL8 in cardio-metabolic disorder diseases were summarized. In addition, novel insights which elucidate the potential mechanisms whereby ANGPTL8 affects glucose and lipid metabolism were also provided.
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Affiliation(s)
- Xin Su
- Department of Cardiology, The Xiamen Cardiovascular Hospital of Xiamen University, No. 2999 Jinshan Road, Xiamen, 361000, Fujian, China
| | - Guoming Zhang
- Department of Cardiology, The Xiamen Cardiovascular Hospital of Xiamen University, No. 2999 Jinshan Road, Xiamen, 361000, Fujian, China
| | - Ye Cheng
- Department of Cardiology, The Xiamen Cardiovascular Hospital of Xiamen University, No. 2999 Jinshan Road, Xiamen, 361000, Fujian, China.
| | - Bin Wang
- Department of Cardiology, The Xiamen Cardiovascular Hospital of Xiamen University, No. 2999 Jinshan Road, Xiamen, 361000, Fujian, China.
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Abu-Farha M, Ghosh A, Al-Khairi I, Madiraju SRM, Abubaker J, Prentki M. The multi-faces of Angptl8 in health and disease: Novel functions beyond lipoprotein lipase modulation. Prog Lipid Res 2020; 80:101067. [PMID: 33011191 DOI: 10.1016/j.plipres.2020.101067] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 09/17/2020] [Accepted: 09/29/2020] [Indexed: 12/18/2022]
Abstract
Angiopoietin-like protein (ANGPTL) family members, mainly ANGPTL3, ANGPTL4 and ANGPTL8, are physiological inhibitors of lipoprotein lipase (LPL), and play a critical role in lipoprotein and triglyceride metabolism in response to nutritional cues. ANGPTL8 has been described by different names in various studies and has been ascribed various functions at the systemic and cellular levels. Circulating ANGPTL8 originates mainly from the liver and to a smaller extent from adipose tissues. In the blood, ANGPTL8 forms a complex with ANGPTL3 or ANGPTL4 to inhibit LPL in fed or fasted conditions, respectively. Evidence is emerging for additional intracellular and receptor-mediated functions of ANGPTL8, with implications in NFκB mediated inflammation, autophagy, adipogenesis, intra-cellular lipolysis and regulation of circadian clock. Elevated levels of plasma ANGPTL8 are associated with metabolic syndrome, type 2 diabetes, atherosclerosis, hypertension and NAFLD/NASH, even though the precise relationship is not known. Whether ANGPTL8 has direct pathogenic role in these diseases, remains to be explored. In this review, we develop a balanced view on the proposed association of this protein in the regulation of several pathophysiological processes. We also discuss the well-established functions of ANGPTL8 in lipoprotein metabolism in conjunction with the emerging novel extracellular and intracellular roles of ANGPTL8 and the implicated metabolic and signalling pathways. Understanding the diverse functions of ANGPTL8 in various tissues and metabolic states should unveil new opportunities of therapeutic intervention for cardiometabolic disorders.
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Affiliation(s)
- Mohamed Abu-Farha
- Biochemistry and Molecular Biology Unit, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Anindya Ghosh
- Departments of Nutrition, Biochemistry and Molecular Medicine, Université de Montréal, and Montreal Diabetes Research Center, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montréal, QC, Canada
| | - Irina Al-Khairi
- Biochemistry and Molecular Biology Unit, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - S R Murthy Madiraju
- Departments of Nutrition, Biochemistry and Molecular Medicine, Université de Montréal, and Montreal Diabetes Research Center, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montréal, QC, Canada
| | - Jehad Abubaker
- Biochemistry and Molecular Biology Unit, Dasman Diabetes Institute, Kuwait City, Kuwait..
| | - Marc Prentki
- Departments of Nutrition, Biochemistry and Molecular Medicine, Université de Montréal, and Montreal Diabetes Research Center, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montréal, QC, Canada.
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15
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Abdeltawab A, Zaki ME, Abdeldayem Y, Mohamed AA, Zaied SM. Circulating micro RNA-223 and angiopoietin-like protein 8 as biomarkers of gestational diabetes mellitus. Br J Biomed Sci 2020; 78:12-17. [PMID: 32421465 DOI: 10.1080/09674845.2020.1764211] [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] [Indexed: 12/13/2022]
Abstract
BACKGROUND Gestational diabetes mellitus (GDM) is a serious health problem associated with both foetal and maternal complications. New biomarkers that can predict or help in the early diagnosis of GDM are needed to minimize the hazards of hyperglycaemia in pregnant women and their offspring. We hypothesised a link between levels of microRNA-223 (miRNA-223) and Angiopoietin-Like Protein 8 (ANGPTL8) and GDM. MATERIALS AND METHODS The study included 109 patients with confirmed early diagnosed GDM and 103 healthy control pregnant women in their second or third trimester. miRNA-223 and ANGPTL8 blood levels were assessed by real-time RT-PCR and sandwich ELISA, respectively, laboratory markers by standard methods. RESULTS There was a significant increase in mean [SD] miRNA-223 and ANGPTL8 in GDM (0.31 [0.06] relative units) and (692 [199] pg/ml), respectively, in the GDM women compared to healthy pregnant women (0.17[0.05] relative units) and (261 [127] pg/ml), respectively, P < 0.001. miRNA-223 and ANGPTL8 correlated significantly with each other (r = 0.38, P < 0.001) and with fasting, 1-h and 2-h postprandial blood glucose levels (all P ≤ 0.002) HbA1 c (P < 0.025), total cholesterol (P < 0.01), LDL-C and triglycerides (both P ≤ 0.005). The ROC area under curve (AUC) (95%CI) was 0.94 (0.91-0.97) for ANGPTL8, 0.92 (0.88-0.96) for miRNA-223 and 0.97 (0.95 - 0.99) for their combination. CONCLUSIONS These findings support the hypothesis of involvement of both miRNA-223 and ANGPTL8 in the pathogenesis of GDM. The difference between levels in GDM patients and in control pregnant women indicates potential use for early diagnosis or prediction of GDM.
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Affiliation(s)
- A Abdeltawab
- Physiology Department, College of Medicine, Jouf University , Sakaka, Saudi Arabia.,Physiology Department, Faculty of Medicine, Beni-Suef University , Beni-Suef, Egypt
| | - M E Zaki
- Clinical Pathology Department, Faculty of Medicine, Mansoura University , Mansoura, Egypt
| | - Y Abdeldayem
- Obstetric and Gynecology Department, Mansoura University , Mansoura, Egypt
| | - A A Mohamed
- Medical Biochemistry Division, Pathology Department, Jouf University , Sakaka, Saudi Arabia.,Medical Biochemistry Department, Faculty of Medicine, Beni-Suef University , Beni-Suef, Egypt
| | - S M Zaied
- Clinical and Chemical Pathology Department, Faculty of Medicine, Beni-Suef University , Beni-Suef, Egypt
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Zhang L, Shannon CE, Bakewell TM, Abdul-Ghani MA, Fourcaudot M, Norton L. Regulation of ANGPTL8 in liver and adipose tissue by nutritional and hormonal signals and its effect on glucose homeostasis in mice. Am J Physiol Endocrinol Metab 2020; 318:E613-E624. [PMID: 32154742 DOI: 10.1152/ajpendo.00339.2019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The angiopoietin-like protein (ANGPTL) family represents a promising therapeutic target for dyslipidemia, which is a feature of obesity and type 2 diabetes (T2DM). The aim of the present study was to determine the metabolic role of ANGPTL8 and to investigate its nutritional, hormonal, and molecular regulation in key metabolic tissues. The regulation of Angptl8 gene expression by insulin and glucose was quantified using a combination of in vivo insulin clamp experiments in mice and in vitro experiments in primary and cultured hepatocytes and adipocytes. The role of AMPK signaling was examined, and the transcriptional control of Angptl8 was determined using bioinformatic and luciferase reporter approaches. The metabolism of Angptl8 knockout mice (ANGPTL8-/-) was examined following chow and high-fat diets (HFD). Insulin acutely increased Angptl8 expression in liver and adipose tissue, which involved the CCAAT/enhancer-binding protein (C/EBPβ) transcription factor. In insulin clamp experiments, glucose further enhanced Angptl8 expression in the presence of insulin in adipose tissue. The activation of AMPK signaling antagonized the effect of insulin on Angptl8 expression in hepatocytes and adipocytes. The ANGPTL8-/- mice had improved glucose tolerance and displayed reduced fed and fasted plasma triglycerides. However, there was no change in body weight or steatosis in ANGPTL8-/- mice after the HFD. These data show that ANGPTL8 plays important metabolic roles in mice that extend beyond triglyceride metabolism. The finding that insulin, glucose, and AMPK signaling regulate Angptl8 expression may provide important clues about the distinct function of ANGPTL8 in these tissues.
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Affiliation(s)
- Lu Zhang
- Diabetes Division, University of Texas Health Science Center, San Antonio, Texas
| | - Chris E Shannon
- Diabetes Division, University of Texas Health Science Center, San Antonio, Texas
| | - Terry M Bakewell
- Diabetes Division, University of Texas Health Science Center, San Antonio, Texas
| | | | - Marcel Fourcaudot
- Diabetes Division, University of Texas Health Science Center, San Antonio, Texas
| | - Luke Norton
- Diabetes Division, University of Texas Health Science Center, San Antonio, Texas
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Zhou J, Zhe R, Guo X, Chen Y, Zou Y, Zhou L, Wang Z. The Role of PPARδ Agosnist GW501516 in Rats with Gestational Diabetes Mellitus. Diabetes Metab Syndr Obes 2020; 13:2307-2316. [PMID: 32669864 PMCID: PMC7335770 DOI: 10.2147/dmso.s251491] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 05/19/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Gestational diabetes mellitus (GDM) is a disorder of glucose metabolism that occurs or is found for the first time during pregnancy. GDM is very harmful and urgently needs drug treatment to improve pregnancy outcome. PPARδ is involved in a variety of biological processes related to glycolipid metabolism in the body, suggesting that it may be closely related to insulin resistance and impaired glucose tolerance. The role of PPARδ agonist GW501516 in gestational diabetes has not been studied. METHODS Firstly, the rat model of GDM was established. Then, fasting blood-glucose (FGB), fasting insulin (FINS), HOMA-islet resistance index (HOMA-IR) and insulin sensitivity index (ISI) of GDM rats treated with GW501516 were measured on day 3, day 10 and day 17. Glucose tolerance test was performed on the 20th day of gestation to measure glucose tolerance in rats. The expression of PPARδ and Angptl8 in islet tissues of rats was detected by Western blot and immunohistochemistry (IHC). Histopathological changes of islet were detected by HE stain; apoptosis rate of islet cells was detected by Tunel; and expression of apoptosis-related proteins in the cells was detected by Western blot. The biochemical kits were used to detect the expression of lipid metabolism-related factors in blood of GDM rats after the PPARδ agonist GW501516 treatment. Finally, the expression of SREBP-1c and GLUT2 in islet tissues was detected by RT-qPCR and IHC. RESULTS The PPARδ agonist GW501516 decreased the expression of FGB, FINS and HOMA-IR in GDM rats, and we found that GW501516 decreased ISI in GDM rats. GW501516 increased glucose tolerance in GDM rats too. In GDM rats, the expression of PPARδ in islet decreased and the expression of Angptl8 increased, which was reversed by GW501516. In addition, we also found that GW501516 can improve the damaged islet tissue of GDM rats, reduce the apoptosis rate of islet cells and inhibit the expression of lipid metabolism-related factors in the blood. Finally, we found that GW501516 inhibited the expression of SREBP-1c and promoted the expression of GLUT2 in the islet tissue. CONCLUSION The PPARδ agonist GW501516 could improve the blood glucose level, damaged islet tissue and increase the insulin content in the rats with GDM, possibly by regulating the SREBP-1c/GLUT2 pathway. Our study provided a new basis for clinical treatment of GDM in pregnant women with PPARδ agonist GW501516.
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Affiliation(s)
- Jun Zhou
- Department of Obstetrics, Shenzhen People’s Hospital, Shenzhen518000, People’s Republic of China
| | - Ruilian Zhe
- Department of Obstetrics, Shenzhen People’s Hospital, Shenzhen518000, People’s Republic of China
| | - Xiaohui Guo
- Department of Obstetrics, Shenzhen People’s Hospital, Shenzhen518000, People’s Republic of China
| | - Yuying Chen
- Department of Obstetrics, Shenzhen People’s Hospital, Shenzhen518000, People’s Republic of China
| | - Yan Zou
- Emergency Department of Shenzhen Maternal and Child Health Hospital, Shenzhen518000, People’s Republic of China
| | - Li Zhou
- Department of Obstetrics, Shenzhen People’s Hospital, Shenzhen518000, People’s Republic of China
| | - Zhijian Wang
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong510510, People’s Republic of China
- Correspondence: Zhijian Wang Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Number 1838, North Guangzhou Avenue, Guangzhou, Guangdong510515, People’s Republic of China Email
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18
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Guo C, Zhao Z, Deng X, Chen Z, Tu Z, Yuan G. Regulation of angiopoietin-like protein 8 expression under different nutritional and metabolic status. Endocr J 2019; 66:1039-1046. [PMID: 31631098 DOI: 10.1507/endocrj.ej19-0263] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a chronic metabolic disease with increasing prevalence worldwide. Angiopoietin-like protein 8 (ANGPTL8), a member of the angiopoietin-like protein family, is involved in glucose metabolism, lipid metabolism, and energy homeostasis and believed to be associated with T2DM. Expression levels of ANGPTL8 are often significantly altered in metabolic diseases, such as non-alcoholic fatty liver disease (NAFLD) and diabetes mellitus. Studies have shown that ANGPTL8, together with other members of this protein family, such as angiopoietin-like protein 3 (ANGPTL3) and angiopoietin-like protein 4 (ANGPTL4), regulates the activity of lipoprotein lipase (LPL), thereby participating in the regulation of triglyceride related lipoproteins (TRLs). In addition, members of the angiopoietin-like protein family are varyingly expressed among different tissues and respond differently under diverse nutritional and metabolic status. These findings may provide new options for the diagnosis and treatment of diabetes, metabolic syndromes and other diseases. In this review, the interaction between ANGPTL8 and ANGPTL3 or ANGPTL4, and the differential expression of ANGPTL8 responding to different nutritional and metabolic status during the regulation of LPL activity were reviewed.
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Affiliation(s)
- Chang Guo
- Department of Endocrinology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, China
| | - Zhicong Zhao
- Department of Endocrinology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, China
| | - Xia Deng
- Department of Endocrinology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, China
| | - Zian Chen
- Institute of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Zhigang Tu
- Institute of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Guoyue Yuan
- Department of Endocrinology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, China
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Zhang D, Yu YJ, Xu FS, Yuan JH, Wang R, Zhang CS, Wang LX, Liu Y, Song LM, Liu JL, Dong J. Recombinant betatrophin (Angptl‑8/lipasin) ameliorates streptozotocin‑induced hyperglycemia and β‑cell destruction in neonatal rats. Mol Med Rep 2019; 20:4523-4532. [PMID: 31702044 PMCID: PMC6797976 DOI: 10.3892/mmr.2019.10719] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 09/09/2019] [Indexed: 12/16/2022] Open
Abstract
Betatrophin [also known as lipasin, angiopoietin‑like 8 (ANGPTL8), refeeding induced in fat and liver (RIFL), or hepatocellular carcinoma‑associated gene TD26], a 22‑kDa protein in the angiopoietin‑like family, is a liver‑derived hormone that promotes pancreatic β‑cell proliferation and lipid metabolism. The aim of the present study was to investigate the effect of recombinant betatrophin on β‑cell regeneration in a neonatal streptozotocin (STZ)‑induced diabetic rat model. One‑day‑old Wistar rats were injected with STZ (100 mg/kg), followed by intraperitoneal administration of betatrophin to the STZ‑injected rats for 6 days. Plasma glucose and body weight were monitored. On days 4 and 7, expression levels of pancreatic duodenal homeobox gene‑1 (PDX‑1), the Bax/B‑cell lymphoma‑2 (Bcl‑2) ratio and plasma insulin were assessed, and the β‑cell proliferation rate was determined. Pancreatic islet area and number were determined at 10 weeks. It was found that betatrophin treatment alleviated STZ‑induced hyperglycemia, elevated pancreatic expression levels of Bcl‑2, PDX‑1, plasma insulin levels and the β‑cell proliferation rate on days 4 and 7. Long‑term betatrophin treatment improved glucose tolerance, associated with improved plasma insulin levels and β‑cell mass. These results suggest that early administration of betatrophin promotes β‑cell proliferation in STZ‑induced diabetic neonates and prevents the development of diabetes in adults.
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Affiliation(s)
- Di Zhang
- Special Medicine Department, Medical College, Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Yan-Juan Yu
- Department of Endocrinology, The People's Hospital of Jiaozuo City, Jiaozuo, Henan 454150, P.R. China
| | - Feng-Sen Xu
- Department of Obstetrics, Qingdao Municipal Hospital, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Jun-Hua Yuan
- Special Medicine Department, Medical College, Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Rui Wang
- Special Medicine Department, Medical College, Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Cai-Shun Zhang
- Special Medicine Department, Medical College, Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Liu-Xin Wang
- Special Medicine Department, Medical College, Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Yuan Liu
- Special Medicine Department, Medical College, Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Li-Min Song
- Special Medicine Department, Medical College, Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Jun-Li Liu
- Fraser Laboratories for Diabetes Research, Department of Medicine, McGill University Health Center, McGill University, Montreal, QC H4A3J1, Canada
| | - Jing Dong
- Special Medicine Department, Medical College, Qingdao University, Qingdao, Shandong 266071, P.R. China
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Abstract
Brown adipokines are regulatory factors secreted by brown and beige adipocytes that exhibit endocrine, paracrine, and autocrine actions. Peptidic and non-peptidic molecules, including miRNAs and lipids, are constituents of brown adipokines. Brown adipose tissue remodeling to meet thermogenic needs is dependent on the secretory properties of brown/beige adipocytes. The association between brown fat activity and a healthy metabolic profile, in relation to energy balance and glucose and lipid homeostasis, is influenced by the endocrine actions of brown adipokines. A comprehensive knowledge of the brown adipocyte secretome is still lacking. Advancements in the identification and characterization of brown adipokines will facilitate therapeutic interventions for metabolic diseases, as these molecules are obvious candidates to therapeutic agents. Moreover, identification of brown adipokines as circulating biomarkers of brown adipose tissue activity may be particularly useful for noninvasive assessment of brown adipose tissue alterations in human pathologies.
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Affiliation(s)
- Francesc Villarroya
- Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina, Universitat de Barcelona, Barcelona, Catalonia, Spain.
- CIBER Fisiopatología de la Obesidad y Nutrición, Barcelona, Spain.
| | - Aleix Gavaldà-Navarro
- Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina, Universitat de Barcelona, Barcelona, Catalonia, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición, Barcelona, Spain
| | - Marion Peyrou
- Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina, Universitat de Barcelona, Barcelona, Catalonia, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición, Barcelona, Spain
| | - Joan Villarroya
- Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina, Universitat de Barcelona, Barcelona, Catalonia, Spain
- Hospital de la Santa Creu I Sant Pau, Barcelona, Spain
| | - Marta Giralt
- Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina, Universitat de Barcelona, Barcelona, Catalonia, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición, Barcelona, Spain
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Wang R, Yuan J, Zhang C, Wang L, Liu Y, Song L, Zhong W, Chen X, Dong J. Neuropeptide Y-Positive Neurons in the Dorsomedial Hypothalamus Are Involved in the Anorexic Effect of Angptl8. Front Mol Neurosci 2018; 11:451. [PMID: 30618603 PMCID: PMC6305345 DOI: 10.3389/fnmol.2018.00451] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 11/21/2018] [Indexed: 12/22/2022] Open
Abstract
Angiopoietin-like protein 8 (Angptl8), a recently identified member of the angiopoietin-like protein family (ANGPTLs), is a 22-kDa peptide synthesized in the liver. It participates in lipid metabolism by inhibiting lipoprotein lipase (LPL) activity, consequently increasing the triglyceride levels. Despite evidence that Angptl8 is involved in feeding control, the underlying mechanisms are unclear. Central and peripheral injections of Angptl8 significantly decreased food intake. Angptl8 was widely expressed in appetite-related nuclei, including the paraventricular nucleus (PVN), the dorsomedial hypothalamus (DMH), the ventromedial hypothalamus, and the arcuate nucleus (ARC) in the hypothalamus. Peripheral Angptl8 administration decreased c-Fos-positive neurons in the DMH. Central Angptl8 administration decreased c-Fos-positive neurons in the DMH and PVN but increased these neurons in the ARC. Angptl8 inhibited appetite via neuropeptide Y (NPY) neurons in the DMH. Furthermore, the chronic administration of Angptl8 decreased body weight gain and altered adipose tissue deposits. Nevertheless, neither peripheral nor central Angptl8 influenced the brown adipose tissue (BAT) morphology or uncoupling protein 1 (Ucp-1) expression in BAT. Taken together, these data suggested that Angptl8 modulates appetite and energy homeostasis.
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Affiliation(s)
- Rui Wang
- Department of Special Medicine, Medical College, Qingdao University, Qingdao, China
| | - Junhua Yuan
- Department of Special Medicine, Medical College, Qingdao University, Qingdao, China
| | - Caishun Zhang
- Department of Special Medicine, Medical College, Qingdao University, Qingdao, China
| | - Liuxin Wang
- Department of Special Medicine, Medical College, Qingdao University, Qingdao, China
| | - Yuan Liu
- Department of Special Medicine, Medical College, Qingdao University, Qingdao, China
| | - Limin Song
- Department of Special Medicine, Medical College, Qingdao University, Qingdao, China
| | - Weizhen Zhong
- Institute of Foundation Medicine, Medical College, Qingdao University, Qingdao, China
| | - Xi Chen
- Department of Physiology, Medical College, Qingdao University, Qingdao, China
| | - Jing Dong
- Department of Special Medicine, Medical College, Qingdao University, Qingdao, China.,Department of Physiology, Medical College, Qingdao University, Qingdao, China
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22
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Nakano M, Suzuki Y, Haga S, Yamauchi E, Kim D, Nishihara K, Nakajima K, Gotoh T, Park S, Baik M, Katoh K, Roh S. Downregulated angiopoietin-like protein 8 production at calving related to changes in lipid metabolism in dairy cows. J Anim Sci 2018; 96:2646-2658. [PMID: 29746655 DOI: 10.1093/jas/sky162] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Accepted: 04/24/2018] [Indexed: 01/25/2023] Open
Abstract
Acute physiological adaptation of lipid metabolism during the postpartum transition period of cows facilitates peripheral metabolic regulation. Hepatokines, which are hormones secreted from hepatocytes, are presumed to play a critical role in systemic metabolic regulation. Angiopoietin-like protein 8 (ANGPTL8) has been identified as a novel hepatokine associated with circulating triglyceride concentrations in mice and humans. However, regulation of ANGPTL8 and its physiological effects is still unknown in cattle. The present study aimed to reveal changes in ANGPTL8 expression and secretion during the periparturient period, and to investigate its regulatory effect on adipocytes and mammary epithelial cells. In the peripartum period, liver ANGPTL8 mRNA expression was lesser on the day of parturition and 1 wk postpartum than it was 1 wk before parturition (P < 0.05). Moreover, plasma ANGPTL8 concentrations decreased on the day of parturition as compared with that 1 wk before parturition (P < 0.05). In addition, ANGPTL8 expression in cultured bovine hepatocytes was downregulated after oleate and palmitate treatment but upregulated after insulin treatment (P < 0.05). ANGPTL8 decreased hormone-sensitive lipase (HSL) expression in differentiated adipocytes and cluster of differentiation 36 (CD36), fatty acid synthase (FAS), acetyl-coa carboxylase (ACC), and stearoyl-coa desaturase (SCD) in cultured bovine mammary epithelial cells (P < 0.05). These data suggest that hepatic ANGPTL8 production was downregulated postpartum when the cows experienced a negative energy balance. This downregulation was associated with increased concentrations of NEFA and decreased concentrations of insulin in lactating cows, and it facilitated lipid mobilization from adipose tissue to the mammary glands. We speculate that ANGPTL8 might have beneficial effects in reverting or improving the physiological adaptation and pathological processes of lipid metabolism during the peripartum period.
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Affiliation(s)
- Misato Nakano
- Laboratory of Animal Physiology, Graduate School of Agricultural Science, Tohoku University, Aoba-ku, Sendai, Japan
| | - Yutaka Suzuki
- Research Faculty of Agriculture, Hokkaido University, Kita-ku, Sapporo, Japan
| | - Satoshi Haga
- Division of Grassland Farming, Institute of Livestock and Grassland Science, National Agriculture and Food Research Organization (NARO), Nasushiobara, Tochigi, Japan
| | - Eri Yamauchi
- Laboratory of Animal Physiology, Graduate School of Agricultural Science, Tohoku University, Aoba-ku, Sendai, Japan
| | - Dahye Kim
- Laboratory of Animal Physiology, Graduate School of Agricultural Science, Tohoku University, Aoba-ku, Sendai, Japan
| | - Koki Nishihara
- Laboratory of Animal Physiology, Graduate School of Agricultural Science, Tohoku University, Aoba-ku, Sendai, Japan
| | - Keiichi Nakajima
- Division of Dairy Production Research, Hokkaido Agricultural Research Center, National Agriculture and Food Research Organization (NARO), Toyohira-ku, Sapporo, Japan
| | - Takafumi Gotoh
- Laboratory of Meat Science, Graduate School of Agriculture, National University Cooperation Kagoshima University, Korimoto, Kagoshima-shi, Japan
| | - Seungju Park
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea
| | - Myunggi Baik
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea
| | - Kazuo Katoh
- Laboratory of Animal Physiology, Graduate School of Agricultural Science, Tohoku University, Aoba-ku, Sendai, Japan
| | - Sanggun Roh
- Laboratory of Animal Physiology, Graduate School of Agricultural Science, Tohoku University, Aoba-ku, Sendai, Japan
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Li N, Zhang Y, Li HP, Han L, Yan XM, Li HB, Du W, Zhang JS, Yu QL. Differential expression of mRNA-miRNAs related to intramuscular fat content in the longissimus dorsi in Xinjiang brown cattle. PLoS One 2018; 13:e0206757. [PMID: 30412616 PMCID: PMC6226300 DOI: 10.1371/journal.pone.0206757] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 10/18/2018] [Indexed: 02/07/2023] Open
Abstract
In this study, we examined the role of mRNAs and miRNAs in variations in intramuscular fat content in the longissimus dorsi muscle in Xinjiang brown cattle. Two groups of Xinjiang brown cattle with extremely different intramuscular fat content in the longissimus dorsi were selected for combined of miRNA and mRNA analysis using an RNA-Seq. In total, 296 mRNAs and 362 miRNAs were significantly differentially expressed, including 155 newly predicted miRNAs, 275 significantly upregulated genes, 252 significantly upregulated miRNAs, 21 significantly downregulated genes and 110 significantly downregulated miRNAs. The combined miRNA and mRNA analysis identified 96 differentially expressed miRNAs and 27 differentially expressed mRNAs. In all, 47 upregulated miRNAs had a regulatory effect on 14 differentially downregulated target genes, and 49 downregulated miRNAs had a regulatory effect on 13 upregulated target genes. To verify the sequencing results, 10 differentially expressed genes (DEGs) and 10 differentially expressed miRNAs were selected for qRT-PCR. The qRT-PCR results confirmed the sequencing results. The results of this study shed light on the molecular regulation of bovine adipose tissue, which might help with the development of new strategies for improving meat quality and animal productivity in beef cattle to provide healthier meat products for consumers.
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Affiliation(s)
- Na Li
- Department of Food Science and Engineering, Gansu Agricultural University, Lanzhou, Gansu, China
- Department of Research Livestock, Xinjiang Academy of Animal Science, Urumqi, Xinjiang, China
| | - Yang Zhang
- Department of Research Livestock, Xinjiang Academy of Animal Science, Urumqi, Xinjiang, China
| | - Hai-Peng Li
- Department of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Ling Han
- Department of Food Science and Engineering, Gansu Agricultural University, Lanzhou, Gansu, China
| | - Xiang-Min Yan
- Department of Research Livestock, Xinjiang Academy of Animal Science, Urumqi, Xinjiang, China
| | - Hong-Bo Li
- Department of Research Livestock, Xinjiang Academy of Animal Science, Urumqi, Xinjiang, China
| | - Wei Du
- Department of Research Livestock, Xinjiang Academy of Animal Science, Urumqi, Xinjiang, China
| | - Jin-Shan Zhang
- Department of Research Livestock, Xinjiang Academy of Animal Science, Urumqi, Xinjiang, China
| | - Qun-Li Yu
- Department of Food Science and Engineering, Gansu Agricultural University, Lanzhou, Gansu, China
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Huang Y, Chen X, Chen X, Feng Y, Guo H, Li S, Dai T, Jiang R, Zhang X, Fang C, Hu J. Angiopoietin-like protein 8 in early pregnancy improves the prediction of gestational diabetes. Diabetologia 2018; 61:574-580. [PMID: 29167926 DOI: 10.1007/s00125-017-4505-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 10/16/2017] [Indexed: 12/13/2022]
Abstract
AIMS/HYPOTHESIS Screening high-risk individuals for gestational diabetes mellitus (GDM) in early pregnancy conventionally relies on established maternal risk factors; however, the sensitivity and specificity of these factors are not satisfactory. The present study aimed to determine whether the concentration of angiopoietin-like protein 8 (ANGPTL8), either alone or combined with other risk factors in early pregnancy, could be used to predict subsequent GDM. METHODS From August 2015 to January 2016, 474 women receiving prenatal care at around 12-16 weeks of gestation were recruited into the study. ANGPTL8 levels were measured at the first prenatal visit. All the participants received a 75 g OGTT during weeks 24-28 of gestation. RESULTS ANGPTL8 levels in early pregnancy were considerably higher in women who developed GDM than those who maintained normal glucose tolerance (2822 ± 938 vs 2120 ± 1118 pg/ml, respectively; p < 0.0001). Multivariable logistic regression revealed that ANGPTL8 levels were significantly associated with risk of GDM independent of conventional risk factors. In addition, women in the highest quartile of ANGPTL8 concentration had an 8.75-fold higher risk of developing GDM compared with women in the lowest quartile (OR8.75, 95%CI 2.43, 31.58). More importantly, incorporating ANGPTL8 into the conventional prediction model significantly increased the AUC for prediction of GDM (0.772vs 0.725; p = 0.019). CONCLUSIONS Our study suggests that ANGPTL8 levels in early pregnancy are significantly and independently associated with risk of GDM at 24-28 weeks of gestation. Combining ANGPTL8 levels with conventional risk factors could thus improve the prediction of GDM.
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Affiliation(s)
- Yun Huang
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, People's Republic of China
| | - Xin Chen
- Department of Gynaecology and Obstetrics, The Second Affiliated Hospital of Soochow University, Jiangsu, People's Republic of China
| | - Xiaohong Chen
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, People's Republic of China
| | - Yu Feng
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, People's Republic of China
| | - Heming Guo
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, People's Republic of China
| | - Sicheng Li
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, People's Republic of China
| | - Ting Dai
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, People's Republic of China
| | - Rong Jiang
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, People's Republic of China
| | - Xiaoyan Zhang
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, People's Republic of China
| | - Chen Fang
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, People's Republic of China.
| | - Ji Hu
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, People's Republic of China.
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Luo M, Peng D. ANGPTL8: An Important Regulator in Metabolic Disorders. Front Endocrinol (Lausanne) 2018; 9:169. [PMID: 29719529 PMCID: PMC5913278 DOI: 10.3389/fendo.2018.00169] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 03/28/2018] [Indexed: 12/26/2022] Open
Abstract
Long-term controversy regarding the role of angiopoietin-like protein 8 (ANGPTL8) in beta-cell proliferation and diabetes progression made it a research spotlight. Recently, the controversy was resolved. Although ANGPTL8 could not control beta-cell expansion and islet function, ANGPTL8 was still considered as a novel but atypical member in the ANGPTL family because of its unique structure and crucial effects on lipid metabolism. Besides, ANGPTL8 also participated in some other disorders such as non-alcoholic fatty liver disease and renal dysfunction. Understanding the features of ANGPTL8 may offer new diagnostic and therapeutic approaches to metabolic-related diseases. Therefore, we reviewed most recent findings about ANGPTL8 and aimed to provide an integrated picture of ANGPTL8.
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26
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Villarroya F, Gavaldà-Navarro A, Peyrou M, Villarroya J, Giralt M. The Lives and Times of Brown Adipokines. Trends Endocrinol Metab 2017; 28:855-867. [PMID: 29113711 DOI: 10.1016/j.tem.2017.10.005] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 10/18/2017] [Accepted: 10/19/2017] [Indexed: 12/13/2022]
Abstract
Brown adipose tissue (BAT) is responsible for adaptive non-shivering thermogenesis. Moreover, brown fat secretes regulatory factors, so-called brown adipokines, that have autocrine, paracrine, and endocrine actions. Brown adipokines are either polypeptides or nonpeptidic molecules including lipid molecules and microRNAs. The secretory properties of brown fat are essential for tissue remodeling adaptations to thermogenic necessities. The endocrine properties of brown adipokines are thought to contribute to the association between BAT activity and a healthy metabolic profile in relation to glucose and lipid homeostasis. The identification and characterization of brown adipokines may allow the discovery of circulating biomarkers of BAT activity in humans, and will lead to the development of candidate tools for therapeutic interventions in metabolic diseases.
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Affiliation(s)
- Francesc Villarroya
- Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina (IBUB), Universitat de Barcelona, Barcelona, Catalonia, Spain; Centro de Investigación Biomédica en Red 'Fisiopatologia de la Obesidad y Nutrición', Madrid, Spain; Institut de Recerca Sant Joan de Déu, Barcelona, Catalonia, Spain.
| | - Aleix Gavaldà-Navarro
- Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina (IBUB), Universitat de Barcelona, Barcelona, Catalonia, Spain; Centro de Investigación Biomédica en Red 'Fisiopatologia de la Obesidad y Nutrición', Madrid, Spain; Institut de Recerca Sant Joan de Déu, Barcelona, Catalonia, Spain
| | - Marion Peyrou
- Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina (IBUB), Universitat de Barcelona, Barcelona, Catalonia, Spain; Centro de Investigación Biomédica en Red 'Fisiopatologia de la Obesidad y Nutrición', Madrid, Spain; Institut de Recerca Sant Joan de Déu, Barcelona, Catalonia, Spain
| | - Joan Villarroya
- Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina (IBUB), Universitat de Barcelona, Barcelona, Catalonia, Spain; Institut de Recerca Hospital de la Santa Creu i Sant Pau, Barcelona, Catalonia, Spain
| | - Marta Giralt
- Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina (IBUB), Universitat de Barcelona, Barcelona, Catalonia, Spain; Centro de Investigación Biomédica en Red 'Fisiopatologia de la Obesidad y Nutrición', Madrid, Spain; Institut de Recerca Sant Joan de Déu, Barcelona, Catalonia, Spain
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27
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McIlvride S, Mushtaq A, Papacleovoulou G, Hurling C, Steel J, Jansen E, Abu-Hayyeh S, Williamson C. A progesterone-brown fat axis is involved in regulating fetal growth. Sci Rep 2017; 7:10671. [PMID: 28878263 PMCID: PMC5587669 DOI: 10.1038/s41598-017-10979-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 08/15/2017] [Indexed: 12/31/2022] Open
Abstract
Pregnancy is associated with profound maternal metabolic changes, necessary for the growth and development of the fetus, mediated by reproductive signals acting on metabolic organs. However, the role of brown adipose tissue (BAT) in regulating gestational metabolism is unknown. We show that BAT phenotype is lost in murine pregnancy, while there is a gain of white adipose tissue (WAT)-like features. This is characterised by reduced thermogenic capacity and mitochondrial content, accompanied by increased levels of markers of WAT and lipid accumulation. Surgical ablation of BAT prior to conception caused maternal and fetal hyperlipidemia, and consequently larger fetuses. We show that BAT phenotype is altered from day 5 of gestation, implicating early pregnancy factors, which was confirmed by reduced expression of BAT markers in progesterone challenged oophorectomised mice. Moreover, in vitro data using primary BAT cultures show a direct impact of progesterone on expression of Ucp1. These data demonstrate that progesterone mediates a phenotypic change in BAT, which contributes to the gestational metabolic environment, and thus overall fetal size.
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Affiliation(s)
- Saraid McIlvride
- Women's Health Academic Centre, King's College London, London, SE1 1UL, United Kingdom
| | - Aleena Mushtaq
- Women's Health Academic Centre, King's College London, London, SE1 1UL, United Kingdom
| | | | - Chloe Hurling
- Women's Health Academic Centre, King's College London, London, SE1 1UL, United Kingdom
| | - Jennifer Steel
- Institute of Reproductive and Developmental Biology, Imperial College London, London, W12 0NN, United Kingdom
| | - Eugène Jansen
- Centre for Health Protection, National Institute for Public Health and the Environment, 3720 BA, Bilthoven, The Netherlands
| | - Shadi Abu-Hayyeh
- Women's Health Academic Centre, King's College London, London, SE1 1UL, United Kingdom.
| | - Catherine Williamson
- Women's Health Academic Centre, King's College London, London, SE1 1UL, United Kingdom.
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Angiopoietin-like protein 8/betatrophin as a new determinant of type 2 diabetes remission after bariatric surgery. Transl Res 2017; 184:35-44.e4. [PMID: 28347650 DOI: 10.1016/j.trsl.2017.03.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 02/06/2017] [Accepted: 03/02/2017] [Indexed: 01/02/2023]
Abstract
This work aimed to explore the link between angiopoietin-like protein 8 (ANGPTL8) and weight loss after metabolic surgery. In the cross-sectional study (n = 100), circulating ANGPTL8 concentrations were significantly lower in morbidly obese than in lean subjects, and strikingly lower in morbidly obese patients with type 2 diabetes mellitus (T2DM). Conversely, ANGPTL8 expression in subcutaneous adipose tissue (SAT) was higher in morbidly obese patients, particularly in those with T2DM, whereas its expression in visceral adipose tissue was unchanged. The main predictors for circulating levels of ANGPTL8 were BMI and T2DM, whereas ANGPTL8 expression in SAT was determined by the presence of T2DM. The prospective cohort studies before and 1 year after bariatric surgery in morbidly obese patients with (n = 45) and without (n = 30) T2DM, revealed a significant increase of circulating ANGPTL8 levels 1 year after the bariatric surgery. Intriguingly, this increment, which was predicted by basal ANGPTL8 concentrations, appeared as a determinant of T2DM remission. In conclusion, circulating ANGPTL8 levels have an inverse relationship with SAT expression. Low basal levels of ANGPTL8 rebound after bariatric surgery. The increment in ANGPTL8 concentrations at 1 month of follow-up after weight loss emerged as a significant predictor of the T2DM remission at 1 year of follow-up.
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