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Hivert MF, Backman H, Benhalima K, Catalano P, Desoye G, Immanuel J, McKinlay CJD, Meek CL, Nolan CJ, Ram U, Sweeting A, Simmons D, Jawerbaum A. Pathophysiology from preconception, during pregnancy, and beyond. Lancet 2024; 404:158-174. [PMID: 38909619 DOI: 10.1016/s0140-6736(24)00827-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 04/07/2024] [Accepted: 04/19/2024] [Indexed: 06/25/2024]
Abstract
Gestational diabetes is the most common medical complication in pregnancy. Historically, gestational diabetes was considered a pregnancy complication involving treatment of rising glycaemia late in the second trimester. However, recent evidence challenges this view. Pre-pregnancy and pregnancy-specific factors influence gestational glycaemia, with open questions regarding roles of non-glycaemic factors in the aetiology and consequences of gestational diabetes. Varying patterns of insulin secretion and resistance in early and late pregnancy underlie a heterogeneity of gestational diabetes in the timing and pathophysiological subtypes with clinical implications: early gestational diabetes and insulin resistant gestational diabetes subtypes are associated with a higher risk of pregnancy complications. Metabolic perturbations of early gestational diabetes can affect early placental development, affecting maternal metabolism and fetal development. Fetal hyperinsulinaemia can affect the development of multiple fetal tissues, with short-term and long-term consequences. Pregnancy complications are prevented by managing glycaemia in early and late pregnancy in some, but not all women with gestational diabetes. A better understanding of the pathophysiology and heterogeneity of gestational diabetes will help to develop novel management approaches with focus on improved prevention of maternal and offspring short-term and long-term complications, from pre-conception, throughout pregnancy, and beyond.
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Affiliation(s)
- Marie-France Hivert
- Division of Chronic Disease Research Across the Lifecourse (CoRAL), Department of Population Medicine, Harvard Medical School, Harvard Pilgrim Health Care Institute, Boston, MA, USA; Diabetes Unit, Massachusetts General Hospital, Boston, MA, USA
| | - Helena Backman
- Faculty of Medicine and Health, Department of Obstetrics and Gynecology, Örebro University, Örebro, Sweden
| | - Katrien Benhalima
- Endocrinology, University Hospital Gasthuisberg, KU Leuven, Leuven, Belgium
| | - Patrick Catalano
- Maternal Infant Research Institute, Obstetrics and Gynecology Research, Tufts Medical Center, Boston, MA, USA; School of Medicine, Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA, USA
| | - Gernot Desoye
- Department of Obstetrics and Gynaecology, Medical University of Graz, Graz, Austria
| | - Jincy Immanuel
- School of Medicine, Western Sydney University, Sydney, NSW, Australia; Institute for Women's Health, College of Nursing, Texas Woman's University, Denton, TX, USA
| | - Christopher J D McKinlay
- Department of Paediatrics Child and Youth Health, University of Auckland, Auckland, New Zealand; Kidz First Neonatal Care, Te Whatu Ora Counties Manukau, Auckland, New Zealand
| | - Claire L Meek
- Leicester Diabetes Centre, Leicester General Hospital, University of Leicester, Leicester, UK
| | - Christopher J Nolan
- School of Medicine and Psychology, College of Health and Medicine, Australian National University, Canberra, ACT, Australia; Department of Endocrinology, Canberra Health Services, Woden, ACT, Australia
| | - Uma Ram
- Department of Obstetrics and Gynecology, Seethapathy Clinic and Hospital, Chennai, Tamilnadu, India
| | - Arianne Sweeting
- Department of Endocrinology, Royal Prince Alfred Hospital and University of Sydney, Sydney, NSW, Australia
| | - David Simmons
- School of Medicine, Western Sydney University, Sydney, NSW, Australia.
| | - Alicia Jawerbaum
- Facultad de Medicina, Universidad de Buenos Aires (UBA)-CONICET, Buenos Aires, Argentina; Laboratory of Reproduction and Metabolism, CEFYBO-CONICET, Buenos Aires, Argentina
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Zečević K, Volčanšek Š, Katsiki N, Rizzo M, Milardović TM, Stoian AP, Banach M, Muzurović E. Maturity-onset diabetes of the young (MODY) - in search of ideal diagnostic criteria and precise treatment. Prog Cardiovasc Dis 2024; 85:14-25. [PMID: 38513726 DOI: 10.1016/j.pcad.2024.03.004] [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: 03/17/2024] [Accepted: 03/17/2024] [Indexed: 03/23/2024]
Abstract
Maturity-onset diabetes of the young (MODY) is a spectrum of clinically heterogenous forms of monogenic diabetes mellitus characterized by autosomal dominant inheritance, onset at a young age, and absence of pancreatic islets autoimmunity. This rare form of hyperglycemia, with clinical features overlapping with type 1 and type 2 diabetes mellitus, has 14 subtypes with differences in prevalence and complications occurrence which tailor therapeutic approach. MODY phenotypes differ based on the gene involved, gene penetrance and expressivity. While MODY 2 rarely leads to diabetic complications and is easily managed with lifestyle interventions alone, more severe subtypes, such as MODY 1, 3, and 6, require an individualized treatment approach to maintain a patient's quality of life and prevention of complications. This review summarizes current evidence on the presentation, diagnosis, and management of MODY, an example of a genetic cause of hyperglycemia that calls for a precision medicine approach.
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Affiliation(s)
- Ksenija Zečević
- Faculty of Medicine, University of Montenegro, Podgorica, Montenegro
| | - Špela Volčanšek
- Department of Endocrinology, Diabetes and Metabolic Diseases, University Medical Center Ljubljana, Ljubljana, Slovenia; Medical Faculty Ljubljana, Ljubljana, Slovenia
| | - Niki Katsiki
- Department of Nutritional Sciences and Dietetics, International Hellenic University, Thessaloniki, Greece; School of Medicine, European University Cyprus, Nicosia, Cyprus
| | - Manfredi Rizzo
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, Palermo, Italy; Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
| | - Tanja Miličević Milardović
- Internal Medicine Department, Endocrinology, Diabetology, and Metabolism Division, University Hospital of Split, Split, Croatia; University of Split School of Medicine, Split, Croatia
| | - Anca Pantea Stoian
- Diabetes, Nutrition and Metabolic diseases Department, "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania
| | - Maciej Banach
- Department of Preventive Cardiology and Lipidology, Medical University of Łódź, Lodz, Poland; Department of Cardiology and Adult Congenital Heart Diseases, Polish Mother's Memorial Hospital Research Institute, Łódź, Poland; Ciccarone Center for the Prevention of Cardiovascular Disease, Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Emir Muzurović
- Faculty of Medicine, University of Montenegro, Podgorica, Montenegro; Department of Internal Medicine, Endocrinology Section, Clinical Center of Montenegro, Podgorica, Montenegro.
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Crowley MT, Paponette B, Bacon S, Byrne MM. Management of pregnancy in women with monogenic diabetes due to mutations in GCK, HNF1A and HNF4A genes. Front Genet 2024; 15:1362977. [PMID: 38933924 PMCID: PMC11199717 DOI: 10.3389/fgene.2024.1362977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 05/08/2024] [Indexed: 06/28/2024] Open
Abstract
Women with maturity-onset diabetes of the young (MODY) need tailored antenatal care and monitoring of their offspring. Each MODY subtype has different implications for glycaemic targets, treatment choices and neonatal management. Hyperglycaemia of MODY is often first diagnosed in adolescence or early adulthood and therefore is clinically relevant to pregnant women. MODY remains an under-recognised and undiagnosed condition. Pregnancy represents an opportune time to make a genetic diagnosis of MODY and provide precision treatment. This review describes the nuance of antenatal care in women with MODY and the implications for pregnancies affected by a positive paternal genotype. Mutations in hepatic nuclear factor 1-alpha (HNF1A) and 4-alpha (HNF4A) genes are associated with progressive β-cell dysfunction resulting in early onset diabetes. Patients are largely managed with sulphonylureas outside of pregnancy. Macrosomia and persistent neonatal hypoglycaemia are reported in 54% and 15% of HNF4A genotype positive offspring respectively with a median increase in birthweight of 790 g. Close observation of foetal growth in utero allows optimal timing of delivery to minimise peri- and postpartum materno-foetal complications. Glucokinase (GCK)-MODY causes mild fasting hyperglycaemia which does not require treatment outside of pregnancy. Birthweight of offspring of maternal carriers is dependent on foetal genotype; heterozygous mutation carriers are usually normal weight while genotype negative offspring are large for gestational age (600 g heavier). Affected offspring of paternal carriers may be small for gestational age (500 g lighter). Serial growth scans with measurement of the abdominal circumference indirectly differentiate foetal genotype. Measurement of cell free foetal DNA in maternal blood from the late first trimester is superior to traditionally used ultrasound to distinguish foetal genotype. Cost and accessibility may limit its use.
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Affiliation(s)
- M. T. Crowley
- Department of Endocrinology and Diabetes, Mater Misericordiae University Hospital, Dublin, Ireland
| | - B. Paponette
- Department of Endocrinology and Diabetes, Sligo University Hospital, Sligo, Ireland
| | - S. Bacon
- Department of Endocrinology and Diabetes, Sligo University Hospital, Sligo, Ireland
| | - M. M. Byrne
- Department of Endocrinology and Diabetes, Mater Misericordiae University Hospital, Dublin, Ireland
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Schwitzgebel VM, Blouin JL, Dehos B, Köhler-Ballan B, Puder JJ, Rieubland C, Triantafyllidou M, Zanchi A, Abramowicz M, Nouspikel T. Enhancing fetal outcomes in GCK-MODY pregnancies: a precision medicine approach via non-invasive prenatal GCK mutation detection. Front Med (Lausanne) 2024; 11:1347290. [PMID: 38745742 PMCID: PMC11091329 DOI: 10.3389/fmed.2024.1347290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 03/27/2024] [Indexed: 05/16/2024] Open
Abstract
Background Mutations in the GCK gene cause Maturity Onset Diabetes of the Young (GCK-MODY) by impairing glucose-sensing in pancreatic beta cells. During pregnancy, managing this type of diabetes varies based on fetal genotype. Fetuses carrying a GCK mutation can derive benefit from moderate maternal hyperglycemia, stimulating insulin secretion in fetal islets, whereas this may cause macrosomia in wild-type fetuses. Modulating maternal glycemia can thus be viewed as a form of personalized prenatal therapy, highly beneficial but not justifying the risk of invasive testing. We therefore developed a monogenic non-invasive prenatal diagnostic (NIPD-M) test to reliably detect the transmission of a known maternal GCK mutation to the fetus. Methods A small amount of fetal circulating cell-free DNA is present in maternal plasma but cannot be distinguished from maternal cell-free DNA. Determining transmission of a maternal mutation to the fetus thus implies sequencing adjacent polymorphisms to determine the balance of maternal haplotypes, the transmitted haplotype being over-represented in maternal plasma. Results Here we present a series of such tests in which fetal genotype was successfully determined and show that it can be used to guide therapeutic decisions during pregnancy and improve the outcome for the offspring. We discuss several potential hurdles inherent to the technique, and strategies to overcome these. Conclusion Our NIPD-M test allows reliable determination of the presence of a maternal GCK mutation in the fetus, thereby allowing personalized in utero therapy by modulating maternal glycemia, without incurring the risk of miscarriage inherent to invasive testing.
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Affiliation(s)
- Valérie M. Schwitzgebel
- Pediatric Endocrine and Diabetes Unit, Department of Pediatrics, Gynecology and Obstetrics, Geneva University Hospitals, Geneva, Switzerland
- Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Jean-Louis Blouin
- Genetic Medicine, Diagnostic Department, Geneva University Hospitals, Geneva, Switzerland
- Department of Genetic Medicine and Development, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Barbara Dehos
- Division of Endocrinology and Diabetes, Spital Grabs, Grabs, Switzerland
| | | | - Jardena J. Puder
- Department Women-Mother-Child, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Claudine Rieubland
- Department of Medical Genetics, Central Institute of the Hospitals, Hospital of the Valais, Valais, Switzerland
| | - Maria Triantafyllidou
- Division of Endocrinology, Diabetes and Clinical Nutrition, Luzerner Kantonsspital, Lucerne, Switzerland
| | - Anne Zanchi
- Department of Medicine, Service of Endocrinology, Diabetes and Metabolism, Lausanne University Hospital, Lausanne, Switzerland
| | - Marc Abramowicz
- Genetic Medicine, Diagnostic Department, Geneva University Hospitals, Geneva, Switzerland
- Department of Genetic Medicine and Development, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Thierry Nouspikel
- Genetic Medicine, Diagnostic Department, Geneva University Hospitals, Geneva, Switzerland
- Department of Genetic Medicine and Development, Faculty of Medicine, University of Geneva, Geneva, Switzerland
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5
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Jeeyavudeen MS, Murray SR, Strachan MWJ. Management of monogenic diabetes in pregnancy: A narrative review. World J Diabetes 2024; 15:15-23. [PMID: 38313847 PMCID: PMC10835499 DOI: 10.4239/wjd.v15.i1.15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 11/13/2023] [Accepted: 12/08/2023] [Indexed: 01/12/2024] Open
Abstract
Pregnancy in women with monogenic diabetes is potentially complex, with significant implications for both maternal and fetal health. Among these, maturity-onset diabetes of the young (MODY) stands out as a prevalent monogenic diabetes subtype frequently encountered in clinical practice. Each subtype of MODY requires a distinct approach tailored to the pregnancy, diverging from management strategies in non-pregnant individuals. Glucokinase MODY (GCK-MODY) typically does not require treatment outside of pregnancy, but special considerations arise when a woman with GCK-MODY becomes pregnant. The glycemic targets in GCK-MODY pregnancies are not exclusively dictated by the maternal/paternal MODY genotype but are also influenced by the genotype of the developing fetus. During pregnancy, the choice between sulfonylurea or insulin for treating hepatocyte nuclear factor 1-alpha (HNF1A)-MODY and HNF4A-MODY depends on the mother's specific circumstances and the available expertise. Management of other rarer MODY subtypes is individualized, with decisions made on a case-by-case basis. Therefore, a collaborative approach involving expert diabetes and obstetric teams is crucial for the comprehensive management of MODY pregnancies.
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Affiliation(s)
| | - Sarah R Murray
- MRC Centre for Reproductive Health, University of Edinburgh Queen’s Medical Research Institute, Edinburgh EH16 4TJ, United Kingdom
| | - Mark W J Strachan
- Metabolic Unit, Western General Hospital, Edinburgh EH4 2XU, United Kingdom
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Yang ZZ, Parchem RJ. The role of noncoding RNAs in pancreatic birth defects. Birth Defects Res 2023; 115:1785-1808. [PMID: 37066622 PMCID: PMC10579456 DOI: 10.1002/bdr2.2178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/19/2023] [Accepted: 04/03/2023] [Indexed: 04/18/2023]
Abstract
Congenital defects in the pancreas can cause severe health issues such as pancreatic cancer and diabetes which require lifelong treatment. Regenerating healthy pancreatic cells to replace malfunctioning cells has been considered a promising cure for pancreatic diseases including birth defects. However, such therapies are currently unavailable in the clinic. The developmental gene regulatory network underlying pancreatic development must be reactivated for in vivo regeneration and recapitulated in vitro for cell replacement therapy. Thus, understanding the mechanisms driving pancreatic development will pave the way for regenerative therapies. Pancreatic progenitor cells are the precursors of all pancreatic cells which use epigenetic changes to control gene expression during differentiation to generate all of the distinct pancreatic cell types. Epigenetic changes involving DNA methylation and histone modifications can be controlled by noncoding RNAs (ncRNAs). Indeed, increasing evidence suggests that ncRNAs are indispensable for proper organogenesis. Here, we summarize recent insight into the role of ncRNAs in the epigenetic regulation of pancreatic development. We further discuss how disruptions in ncRNA biogenesis and expression lead to developmental defects and diseases. This review summarizes in vivo data from animal models and in vitro studies using stem cell differentiation as a model for pancreatic development.
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Affiliation(s)
- Ziyue Zoey Yang
- Development, Disease Models & Therapeutics Graduate Program, Baylor College of Medicine, Houston, Texas, USA
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, Texas, USA
- Stem Cells and Regenerative Medicine Center, Baylor College of Medicine, Houston, Texas, USA
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, USA
| | - Ronald J Parchem
- Development, Disease Models & Therapeutics Graduate Program, Baylor College of Medicine, Houston, Texas, USA
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, Texas, USA
- Stem Cells and Regenerative Medicine Center, Baylor College of Medicine, Houston, Texas, USA
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, USA
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7
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Hughes AE, Houghton JAL, Bunce B, Chakera AJ, Spyer G, Shepherd MH, Flanagan SE, Hattersley AT. Bringing precision medicine to the management of pregnancy in women with glucokinase-MODY: a study of diagnostic accuracy and feasibility of non-invasive prenatal testing. Diabetologia 2023; 66:1997-2006. [PMID: 37653058 PMCID: PMC10542291 DOI: 10.1007/s00125-023-05982-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 06/08/2023] [Indexed: 09/02/2023]
Abstract
AIMS/HYPOTHESIS In pregnancies where the mother has glucokinase-MODY (GCK-MODY), fetal growth is determined by fetal genotype. When the fetus inherits a maternal pathogenic GCK variant, normal fetal growth is anticipated, and insulin treatment of maternal hyperglycaemia is not recommended. At present, fetal genotype is estimated from measurement of fetal abdominal circumference on ultrasound. Non-invasive prenatal testing of fetal GCK genotype (NIPT-GCK) using cell-free DNA in maternal blood has recently been developed. We aimed to compare the diagnostic accuracy of NIPT-GCK with that of ultrasound, and determine the feasibility of using NIPT-GCK to guide pregnancy management. METHODS We studied an international cohort of pregnant women with hyperglycaemia due to GCK-MODY. We compared the diagnostic accuracy of NIPT-GCK with that of measurement of fetal abdominal circumference at 28 weeks' gestation (n=38) using a directly genotyped offspring sample as the reference standard. In a feasibility study, we assessed the time to result given to clinicians in 43 consecutive pregnancies affected by GCK-MODY between July 2019 and September 2021. RESULTS In terms of diagnostic accuracy, NIPT-GCK was more sensitive and specific than ultrasound in predicting fetal genotype (sensitivity 100% and specificity 96% for NIPT-GCK vs sensitivity 53% and specificity 61% for fetal abdominal circumference 75th percentile). In terms of feasibility, a valid NIPT-GCK fetal genotype (≥95% probability) was reported in all 38 pregnancies with an amenable variant and repeated samples when needed. The median time to report was 5 weeks (IQR 3-8 weeks). For the 25 samples received before 20 weeks' gestation, results were reported at a median gestational age of 20 weeks (IQR 18-24), with 23/25 (92%) reported before 28 weeks. CONCLUSIONS/INTERPRETATION Non-invasive prenatal testing of fetal genotype in GCK-MODY pregnancies is highly accurate and is capable of providing a result before the last trimester for most patients. This means that non-invasive prenatal testing of fetal genotype is the optimal approach to management of GCK-MODY pregnancies.
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Affiliation(s)
- Alice E Hughes
- Faculty of Health and Life Sciences, University of Exeter Medical School, Royal Devon and Exeter NHS Foundation Trust, Exeter, UK
| | - Jayne A L Houghton
- Exeter Genomics Laboratory, Royal Devon University Healthcare NHS Foundation Trust, Exeter, UK
| | - Benjamin Bunce
- Exeter Genomics Laboratory, Royal Devon University Healthcare NHS Foundation Trust, Exeter, UK
| | - Ali J Chakera
- Faculty of Health and Life Sciences, University of Exeter Medical School, Royal Devon and Exeter NHS Foundation Trust, Exeter, UK
- Department of Diabetes and Endocrinology, Royal Sussex County Hospital, University Hospitals Sussex NHS Foundation Trust, Brighton, UK
| | - Gill Spyer
- Faculty of Health and Life Sciences, University of Exeter Medical School, Royal Devon and Exeter NHS Foundation Trust, Exeter, UK
- Department of Diabetes and Endocrinology, Torbay Hospital, Torbay and South Devon NHS Foundation Trust, Torquay, UK
| | - Maggie H Shepherd
- Faculty of Health and Life Sciences, University of Exeter Medical School, Royal Devon and Exeter NHS Foundation Trust, Exeter, UK
- National Institute for Health and Care Research, Exeter Clinical Research Facility, Royal Devon University Healthcare NHS Foundation Trust, Exeter, UK
| | - Sarah E Flanagan
- Faculty of Health and Life Sciences, University of Exeter Medical School, Royal Devon and Exeter NHS Foundation Trust, Exeter, UK
| | - Andrew T Hattersley
- Faculty of Health and Life Sciences, University of Exeter Medical School, Royal Devon and Exeter NHS Foundation Trust, Exeter, UK.
- National Institute for Health and Care Research, Exeter Clinical Research Facility, Royal Devon University Healthcare NHS Foundation Trust, Exeter, UK.
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Schroeder P, Mandla R, Huerta-Chagoya A, Alkanak A, Nagy D, Szczerbinski L, Madsen JGS, Cole JB, Porneala B, Westerman K, Li JH, Pollin TI, Florez JC, Gloyn AL, Cebola I, Manning A, Leong A, Udler M, Mercader JM. Rare variant association analysis in 51,256 type 2 diabetes cases and 370,487 controls informs the spectrum of pathogenicity of monogenic diabetes genes. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.09.28.23296244. [PMID: 37808701 PMCID: PMC10557807 DOI: 10.1101/2023.09.28.23296244] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
We meta-analyzed array data imputed with the TOPMed reference panel and whole-genome sequence (WGS) datasets and performed the largest, rare variant (minor allele frequency as low as 5×10-5) GWAS meta-analysis of type 2 diabetes (T2D) comprising 51,256 cases and 370,487 controls. We identified 52 novel variants at genome-wide significance (p<5 × 10-8), including 8 novel variants that were either rare or ancestry-specific. Among them, we identified a rare missense variant in HNF4A p.Arg114Trp (OR=8.2, 95% confidence interval [CI]=4.6-14.0, p = 1.08×10-13), previously reported as a variant implicated in Maturity Onset Diabetes of the Young (MODY) with incomplete penetrance. We demonstrated that the diabetes risk in carriers of this variant was modulated by a T2D common variant polygenic risk score (cvPRS) (carriers in the top PRS tertile [OR=18.3, 95%CI=7.2-46.9, p=1.2×10-9] vs carriers in the bottom PRS tertile [OR=2.6, 95% CI=0.97-7.09, p = 0.06]. Association results identified eight variants of intermediate penetrance (OR>5) in monogenic diabetes (MD), which in aggregate as a rare variant PRS were associated with T2D in an independent WGS dataset (OR=4.7, 95% CI=1.86-11.77], p = 0.001). Our data also provided support evidence for 21% of the variants reported in ClinVar in these MD genes as benign based on lack of association with T2D. Our work provides a framework for using rare variant imputation and WGS analyses in large-scale population-based association studies to identify large-effect rare variants and provide evidence for informing variant pathogenicity.
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Affiliation(s)
- Philip Schroeder
- Programs in Metabolism and Medical & Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Diabetes Unit, Massachusetts General Hospital, Boston, MA, USA
| | - Ravi Mandla
- Programs in Metabolism and Medical & Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Diabetes Unit, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine and Cardiovascular Research Institute, Cardiology Division, University of California, San Francisco, CA, USA
| | - Alicia Huerta-Chagoya
- Programs in Metabolism and Medical & Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Ahmed Alkanak
- Programs in Metabolism and Medical & Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Dorka Nagy
- Section of Genetics and Genomics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
- National Heart and Lung Institute, Faculty of Medicine, London, UK
| | - Lukasz Szczerbinski
- Department of Endocrinology, Diabetology and Internal Medicine, Medical University of Bialystok, Bialystok, 15-276, Poland
- Clinical Research Centre, Medical University of Bialystok, Bialystok, 15-276, Poland
- Programs in Metabolism and Medical & Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Diabetes Unit, Massachusetts General Hospital, Boston, MA, USA
| | - Jesper G S Madsen
- Institute of Mathematics and Computer Science, University of Southern Denmark, Odense M, 5230, Denmark
- The Novo Nordisk Foundation Center for Genomic Mechanisms of Disease, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Joanne B Cole
- Programs in Metabolism and Medical & Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Division of Endocrinology, Boston Children's Hospital, Boston, MA, USA
- Department of Biomedical Informatics, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Bianca Porneala
- Division of General Internal Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Kenneth Westerman
- Programs in Metabolism and Medical & Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Josephine H Li
- Programs in Metabolism and Medical & Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Diabetes Unit, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Toni I Pollin
- Emory University, Atlanta, Georgia, USA., Atlanta, GA, USA
| | - Jose C Florez
- Programs in Metabolism and Medical & Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Diabetes Unit, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
- Endocrine Division, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Anna L Gloyn
- Department of Pediatrics, Division of Endocrinology, Stanford School of Medicine, Stanford, CA, USA
| | - Inês Cebola
- Section of Genetics and Genomics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Alisa Manning
- Programs in Metabolism and Medical & Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Aaron Leong
- Programs in Metabolism and Medical & Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Diabetes Unit, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
- Endocrine Division, Massachusetts General Hospital, Boston, MA, USA
- Division of General Internal Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Miriam Udler
- Programs in Metabolism and Medical & Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Diabetes Unit, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Josep M Mercader
- Programs in Metabolism and Medical & Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Diabetes Unit, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
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Ren Q, Wang Z, Yang W, Han X, Ji L. Maternal and Infant Outcomes in GCK-MODY Complicated by Pregnancy. J Clin Endocrinol Metab 2023; 108:2739-2746. [PMID: 37011183 DOI: 10.1210/clinem/dgad188] [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: 09/09/2022] [Revised: 03/23/2023] [Accepted: 03/30/2023] [Indexed: 04/05/2023]
Abstract
CONTEXT Challenges exist in the management of Glucokinase-maturity-onset diabetes of the young (GCK-MODY), especially during pregnancy. OBJECTIVE This work aimed to evaluate the prevalence of congenital anomaly in newborns from GCK-MODY mothers, and the relationship between fetus genotype and the risk of congenital malformation as well as other adverse pregnancy outcomes. METHODS Electronic databases including PubMed, EMBASE, and Cochrane database last updated July 16, 2022, were searched. We included observational studies conducted in GCK-MODY complicated by pregnancy, and reporting at least one pregnancy outcome. We extracted data in duplicate, and the risk of bias was evaluated by the Newcastle-Ottawa Quality Assessment Scale (NOS). All statistical analysis was performed by Cochrane Review Manager. RESULTS Eight studies were selected in the meta-analysis. Five were of high quality and 3 were of medium quality evaluated by NOS. A total of 257 GCK-MODY mothers and 499 offspring were enrolled. Among them, 370 offspring were divided into 2 groups: GCK-affected offspring (GCK+, n = 238) and GCK-unaffected offspring (GCK-, n = 132). The percentage of congenital malformations in GCK pregnant women's offspring was 2.4%. The risk of congenital malformations was similar between the GCK+ and GCK- group (odds ratio = 0.56; 95% CI, 0.07-4.51; I2 = 0%; P = .59). The risk of macrosomia/large for gestational age, neonatal hypoglycemia, and combined adverse neonatal outcome was significantly lower in offspring with the GCK mutation compared with non-GCK mutation carriers. CONCLUSION The percentage of congenital malformations was 2.4% in GCK-MODY pregnant women's offspring, and newborns with the GCK mutation have lower birth complication than non-GCK mutation carriers.
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Affiliation(s)
- Qian Ren
- Department of Endocrinology and Metabolism, Peking University People's Hospital, Xicheng District, Beijing 100044, People's Republic of China
| | - Zhihui Wang
- Department of Endocrinology and Metabolism, Peking University People's Hospital, Xicheng District, Beijing 100044, People's Republic of China
| | - Wenjia Yang
- Department of Endocrinology and Metabolism, Peking University People's Hospital, Xicheng District, Beijing 100044, People's Republic of China
| | - Xueyao Han
- Department of Endocrinology and Metabolism, Peking University People's Hospital, Xicheng District, Beijing 100044, People's Republic of China
| | - Linong Ji
- Department of Endocrinology and Metabolism, Peking University People's Hospital, Xicheng District, Beijing 100044, People's Republic of China
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Yau TTL, Yu SCY, Cheng JY, Kwok JSS, Ma RCW. GCK-MODY in pregnancy: A pregnant woman with diabetes and a small-for-gestational-age fetus. Clin Case Rep 2022; 10:e6629. [PMID: 36483860 PMCID: PMC9723257 DOI: 10.1002/ccr3.6629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 10/23/2022] [Accepted: 11/08/2022] [Indexed: 12/12/2022] Open
Abstract
Glucokinase-maturity-onset diabetes of the young (GCK-MODY) is often misdiagnosed as other forms of diabetes. A 42-year-old pregnant lady with pre-existing diabetes was treated with insulin during first trimester. Fetal growth restriction was noted since mid-second trimester. Genetic testing suggested the diagnosis of GCK-MODY.
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Affiliation(s)
- Tiffany Tse Ling Yau
- Department of Medicine and TherapeuticsThe Chinese University of Hong Kong, Prince of Wales HospitalShatinHong Kong
| | - Stephanie Cheuk Yin Yu
- Department of Chemical PathologyThe Chinese University of Hong Kong, Prince of Wales HospitalShatinHong Kong
| | - Jenny Yeuk‐Ki Cheng
- Department of Chemical PathologyThe Chinese University of Hong Kong, Prince of Wales HospitalShatinHong Kong
| | - Jeffrey Sung Shing Kwok
- Department of Chemical PathologyThe Chinese University of Hong Kong, Prince of Wales HospitalShatinHong Kong
| | - Ronald Ching Wan Ma
- Department of Medicine and TherapeuticsThe Chinese University of Hong Kong, Prince of Wales HospitalShatinHong Kong,Laboratory for Molecular Epidemiology in Diabetes, Li Ka Shing Institute of Health SciencesThe Chinese University of Hong KongShatinHong Kong,Chinese University of Hong Kong‐Shanghai Jiao Tong University Joint Research Centre in Diabetes Genomics and Precision MedicineThe Chinese University of Hong KongShatinHong Kong
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11
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The Challenges of Treating Glucokinase MODY during Pregnancy: A Review of Maternal and Fetal Outcomes. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19105980. [PMID: 35627517 PMCID: PMC9141824 DOI: 10.3390/ijerph19105980] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/10/2022] [Accepted: 05/12/2022] [Indexed: 02/01/2023]
Abstract
Background: The optimal treatment strategy for the follow-up and management of women with glucokinase maturity-onset diabetes of the young (GCK−MODY)during pregnancy remains unknown. Data regarding maternal and fetal outcomes are lacking. Aim: This paper summarizes the existing literature regarding the maternal and fetal outcomes of women with glucokinase MODY to guide future treatment strategy. Methods: A literature search was conducted in Pubmed, Embace, and Cochrane library with citation follow-up using the terms: glucokinase, MODY, diabetes, pregnancy, gestation, and outcomes. We searched for articles with known fetal mutational status. Relevant outcomes included: birthweight, large for gestational age (LGA), small for gestational age (SGA), macrosomia, cesarean delivery (CD), shoulder dystocia, congenital anomalies, miscarriages, preterm births, and long-term outcomes. Results: Fourteen relevant manuscripts were identified describing maternal and fetal outcomes. The percentage of LGA and macrosomia in 102 glucokinase -unaffected offspring (GCK−) was significantly higher than in the glucokinase -affected offspring (GCK+) (44% vs. 10%, p < 0.001 and 22% vs. 2%, p < 0.001, respectively). Among the 173 GCK(+) offspring, only 5% were SGA, which can be expected according to the normal distribution. We observed higher rates of CD and shoulder dystocia in the GCK(−) offspring. Conclusions: GCK(−) offspring have significantly higher birthweights and more birth complications. The optimal treatment strategy to guide management should take into consideration multiple variables other than fetal mutational status.
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12
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Oza CM, Karguppikar MB, Khadilkar V, Khadilkar A. Variable presentations of GCK gene mutation in a family. BMJ Case Rep 2022; 15:e246699. [PMID: 35228227 PMCID: PMC8886375 DOI: 10.1136/bcr-2021-246699] [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] [Accepted: 01/21/2022] [Indexed: 11/04/2022] Open
Abstract
We describe siblings born from non-consanguineous parents, with older sibling having asymptomatic hyperglycaemia while younger sibling presented with low birth weight and persistent hyperglycaemia from first month of life. Our case, the older sibling was heterozygous for paternally inherited GCK pathogenic variant resulting in diabetes of maturity-onset in the young (MODY) manifested as mild fasting hyperglycaemia. GCK gene sequencing revealed that the younger sibling was compound heterozygous for missense mutations (two) combined in a novel GCK-permanent neonatal diabetes mellitus (PNDM) genotype. Thus, heterozygous inactivating GCK mutations are likely to lead to maturity-onset diabetes of the young type 2 (MODY 2) and the homozygous inactivating or compound heterozygous GCK mutations are a cause of PNDM.
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Affiliation(s)
- Chirantap Markand Oza
- Hirabai Cowasji Jehangir Medical Research Institute, Jehangir Hospital, Pune, Maharashtra, India
| | | | - Vaman Khadilkar
- Hirabai Cowasji Jehangir Medical Research Institute, Jehangir Hospital, Pune, Maharashtra, India
- Interdisciplinary School of Health Sciences, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Anuradha Khadilkar
- Hirabai Cowasji Jehangir Medical Research Institute, Jehangir Hospital, Pune, Maharashtra, India
- Interdisciplinary School of Health Sciences, Savitribai Phule Pune University, Pune, Maharashtra, India
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13
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Nouspikel T, Blouin J, Puder JJ, Köhler Ballan B, Schwitzgebel VM. Precision medicine in diabetes: A non-invasive prenatal diagnostic test for the determination of fetal glucokinase mutations. J Diabetes Investig 2022; 13:256-261. [PMID: 34469064 PMCID: PMC8847152 DOI: 10.1111/jdi.13656] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 08/28/2021] [Accepted: 08/30/2021] [Indexed: 12/21/2022] Open
Abstract
Hyperglycemia caused by mutations in the glucokinase gene, GCK, is the most common form of monogenic diabetes. Prenatal diagnosis is important, as it impacts on treatment. This study reports a monogenic non-invasive prenatal diagnostic (NIPD-M) test on cell-free DNA in maternal plasma using the relative haplotype dosage. In three pregnancies of two families with known maternal GCK mutations, the fetal genotype was determined unambiguously already at 12 weeks of gestation. In summary, proof is provided of the feasibility for NIPD-M in GCK diabetes.
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Affiliation(s)
- Thierry Nouspikel
- Genetic MedicineDiagnostic DepartmentUniversity Hospitals of GenevaGenevaSwitzerland
- Department of Genetic Medicine and DevelopmentFaculty of MedicineUniversity of GenevaGenevaSwitzerland
| | - Jean‐Louis Blouin
- Genetic MedicineDiagnostic DepartmentUniversity Hospitals of GenevaGenevaSwitzerland
- Department of Genetic Medicine and DevelopmentFaculty of MedicineUniversity of GenevaGenevaSwitzerland
| | - Jardena J Puder
- Department Women‐Mother‐ChildLausanne University HospitalLausanneSwitzerland
| | | | - Valerie M Schwitzgebel
- Pediatric Endocrine and Diabetes UnitDepartment of Pediatrics, Obstetrics and GynecologyUniversity Hospitals of GenevaGenevaSwitzerland
- Diabetes Center of the Faculty of MedicineUniversity of GenevaGenevaSwitzerland
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14
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Role of Actionable Genes in Pursuing a True Approach of Precision Medicine in Monogenic Diabetes. Genes (Basel) 2022; 13:genes13010117. [PMID: 35052457 PMCID: PMC8774614 DOI: 10.3390/genes13010117] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/04/2022] [Accepted: 01/05/2022] [Indexed: 12/16/2022] Open
Abstract
Monogenic diabetes is a genetic disorder caused by one or more variations in a single gene. It encompasses a broad spectrum of heterogeneous conditions, including neonatal diabetes, maturity onset diabetes of the young (MODY) and syndromic diabetes, affecting 1-5% of patients with diabetes. Some of these variants are harbored by genes whose altered function can be tackled by specific actions ("actionable genes"). In suspected patients, molecular diagnosis allows the implementation of effective approaches of precision medicine so as to allow individual interventions aimed to prevent, mitigate or delay clinical outcomes. This review will almost exclusively concentrate on the clinical strategy that can be specifically pursued in carriers of mutations in "actionable genes", including ABCC8, KCNJ11, GCK, HNF1A, HNF4A, HNF1B, PPARG, GATA4 and GATA6. For each of them we will provide a short background on what is known about gene function and dysfunction. Then, we will discuss how the identification of their mutations in individuals with this form of diabetes, can be used in daily clinical practice to implement specific monitoring and treatments. We hope this article will help clinical diabetologists carefully consider who of their patients deserves timely genetic testing for monogenic diabetes.
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15
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Timsit J, Ciangura C, Dubois-Laforgue D, Saint-Martin C, Bellanne-Chantelot C. Pregnancy in Women With Monogenic Diabetes due to Pathogenic Variants of the Glucokinase Gene: Lessons and Challenges. Front Endocrinol (Lausanne) 2022; 12:802423. [PMID: 35069449 PMCID: PMC8766338 DOI: 10.3389/fendo.2021.802423] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 12/13/2021] [Indexed: 12/12/2022] Open
Abstract
Heterozygous loss-of-function variants of the glucokinase (GCK) gene are responsible for a subtype of maturity-onset diabetes of the young (MODY). GCK-MODY is characterized by a mild hyperglycemia, mainly due to a higher blood glucose threshold for insulin secretion, and an up-regulated glucose counterregulation. GCK-MODY patients are asymptomatic, are not exposed to diabetes long-term complications, and do not require treatment. The diagnosis of GCK-MODY is made on the discovery of hyperglycemia by systematic screening, or by family screening. The situation is peculiar in GCK-MODY women during pregnancy for three reasons: 1. the degree of maternal hyperglycemia is sufficient to induce pregnancy adverse outcomes, as in pregestational or gestational diabetes; 2. the probability that a fetus inherits the maternal mutation is 50% and; 3. fetal insulin secretion is a major stimulus of fetal growth. Consequently, when the fetus has not inherited the maternal mutation, maternal hyperglycemia will trigger increased fetal insulin secretion and growth, with a high risk of macrosomia. By contrast, when the fetus has inherited the maternal mutation, its insulin secretion is set at the same threshold as the mother's, and no fetal growth excess will occur. Thus, treatment of maternal hyperglycemia is necessary only in the former situation, and will lead to a risk of fetal growth restriction in the latter. It has been recommended that the management of diabetes in GCK-MODY pregnant women should be guided by assessment of fetal growth by serial ultrasounds, and institution of insulin therapy when the abdominal circumference is ≥ 75th percentile, considered as a surrogate for the fetal genotype. This strategy has not been validated in women with in GCK-MODY. Recently, the feasibility of non-invasive fetal genotyping has been demonstrated, that will improve the care of these women. Several challenges persist, including the identification of women with GCK-MODY before or early in pregnancy, and the modalities of insulin therapy. Yet, retrospective observational studies have shown that fetal genotype, not maternal treatment with insulin, is the main determinant of fetal growth and of the risk of macrosomia. Thus, further studies are needed to specify the management of GCK-MODY pregnant women during pregnancy.
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Affiliation(s)
- José Timsit
- Department of Diabetology, Université de Paris, AP-HP, Cochin-Port-Royal Hospital, DMU ENDROMED, Paris, France
- PRISIS National Reference Center for Rare Diseases of Insulin Secretion and Insulin Sensitivity, Department of Endocrinology, Diabetology and Reproductive Endocrinology, Assistance Publique-Hôpitaux de Paris, Saint-Antoine University Hospital, Paris, France
- Monogenic Diabetes Study Group of the Société Francophone du Diabète, Paris, France
| | - Cécile Ciangura
- PRISIS National Reference Center for Rare Diseases of Insulin Secretion and Insulin Sensitivity, Department of Endocrinology, Diabetology and Reproductive Endocrinology, Assistance Publique-Hôpitaux de Paris, Saint-Antoine University Hospital, Paris, France
- Monogenic Diabetes Study Group of the Société Francophone du Diabète, Paris, France
- Department of Diabetology, Sorbonne Université, AP-HP, Pitié-Salpêtrière Hospital, Paris, France
| | - Danièle Dubois-Laforgue
- Department of Diabetology, Université de Paris, AP-HP, Cochin-Port-Royal Hospital, DMU ENDROMED, Paris, France
- PRISIS National Reference Center for Rare Diseases of Insulin Secretion and Insulin Sensitivity, Department of Endocrinology, Diabetology and Reproductive Endocrinology, Assistance Publique-Hôpitaux de Paris, Saint-Antoine University Hospital, Paris, France
- Monogenic Diabetes Study Group of the Société Francophone du Diabète, Paris, France
- INSERM U1016, Cochin Hospital, Paris, France
| | - Cécile Saint-Martin
- PRISIS National Reference Center for Rare Diseases of Insulin Secretion and Insulin Sensitivity, Department of Endocrinology, Diabetology and Reproductive Endocrinology, Assistance Publique-Hôpitaux de Paris, Saint-Antoine University Hospital, Paris, France
- Department of Medical Genetics, Sorbonne Université, AP-HP, Pitié-Salpêtrière Hospital, DMU BioGeM, Paris, France
| | - Christine Bellanne-Chantelot
- PRISIS National Reference Center for Rare Diseases of Insulin Secretion and Insulin Sensitivity, Department of Endocrinology, Diabetology and Reproductive Endocrinology, Assistance Publique-Hôpitaux de Paris, Saint-Antoine University Hospital, Paris, France
- Monogenic Diabetes Study Group of the Société Francophone du Diabète, Paris, France
- Department of Medical Genetics, Sorbonne Université, AP-HP, Pitié-Salpêtrière Hospital, DMU BioGeM, Paris, France
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16
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Maturity-Onset Diabetes of the Young (MODY): Genetic Causes, Clinical Characteristics, Considerations for Testing, and Treatment Options. ENDOCRINES 2021. [DOI: 10.3390/endocrines2040043] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Maturity Onset Diabetes of the Young (MODY) encompasses a group of rare monogenic forms of diabetes distinct in etiology and clinical presentation from the more common forms of Type 1 (autoimmune) and Type 2 diabetes. Since its initial description as a clinical entity nearly 50 years ago, the underlying genetic basis for the various forms of MODY has been increasingly better elucidated. Clinically, the diagnosis may be made in childhood or young adulthood and can present as overt hyperglycemia requiring insulin therapy or as a subtle form of slowly progressive glucose impairment. Due to the heterogeneity of clinical symptoms, patients with MODY may be misdiagnosed as possessing another form of diabetes, resulting in potentially inappropriate treatment and delays in screening of affected family members and associated comorbidities. In this review, we highlight the various known genetic mutations associated with MODY, clinical presentation, indications for testing, and the treatment options available.
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17
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Yang J, Hammoud B, Li C, Ridler A, Yau D, Kim J, Won KJ, Stanley CA, Hoshi T, Stanescu DE. Decreased KATP Channel Activity Contributes to the Low Glucose Threshold for Insulin Secretion of Rat Neonatal Islets. Endocrinology 2021; 162:6301135. [PMID: 34134142 PMCID: PMC8276892 DOI: 10.1210/endocr/bqab121] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Indexed: 12/12/2022]
Abstract
Transitional hypoglycemia in normal newborns occurs in the first 3 days of life and has clinical features consistent with hyperinsulinism. We found a lower threshold for glucose-stimulated insulin secretion from freshly isolated embryonic day (E) 22 rat islets, which persisted into the first postnatal days. The threshold reached the adult level by postnatal day (P) 14. Culturing P14 islets also decreased the glucose threshold. Freshly isolated P1 rat islets had a lower threshold for insulin secretion in response to 2-aminobicyclo-(2, 2, 1)-heptane-2-carboxylic acid, a nonmetabolizable leucine analog, and diminished insulin release in response to tolbutamide, an inhibitor of β-cell KATP channels. These findings suggested that decreased KATP channel function could be responsible for the lower glucose threshold for insulin secretion. Single-cell transcriptomic analysis did not reveal a lower expression of KATP subunit genes in E22 compared with P14 β cells. The investigation of electrophysiological characteristics of dispersed β cells showed that early neonatal and cultured cells had fewer functional KATP channels per unit membrane area. Our findings suggest that decreased surface density of KATP channels may contribute to the observed differences in glucose threshold for insulin release.
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Affiliation(s)
- Juxiang Yang
- Division of Endocrinology and Diabetes, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Batoul Hammoud
- Division of Endocrinology and Diabetes, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Changhong Li
- Division of Endocrinology and Diabetes, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Abigail Ridler
- Division of Endocrinology and Diabetes, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Daphne Yau
- Division of Endocrinology and Diabetes, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Junil Kim
- Biotech Research & Innovation Centre, University of Copenhagen, DK-2200 Copenhagen N, Denmark
- School of Systems Biomedical Science, Soongsil University, Seoul 06978, South Korea
| | - Kyoung-Jae Won
- Biotech Research & Innovation Centre, University of Copenhagen, DK-2200 Copenhagen N, Denmark
| | - Charles A Stanley
- Division of Endocrinology and Diabetes, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Toshinori Hoshi
- Department of Physiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Diana E Stanescu
- Division of Endocrinology and Diabetes, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Correspondence: Diana Elena Stanescu, MD, The Children's Hospital of Philadelphia, Abramson Pediatric Research Center, 3615 Civic Center Blvd, #802G, Philadelphia, PA 19104, USA.
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18
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Hughes AE, De Franco E, Globa E, Zelinska N, Hilgard D, Sifianou P, Hattersley AT, Flanagan SE. Identification of GCK-maturity-onset diabetes of the young in cases of neonatal hyperglycemia: A case series and review of clinical features. Pediatr Diabetes 2021; 22:876-881. [PMID: 34085361 PMCID: PMC7611537 DOI: 10.1111/pedi.13239] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 05/03/2021] [Accepted: 05/24/2021] [Indexed: 01/04/2023] Open
Abstract
Heterozygous mutations in GCK result in a persistent, mildly raised glucose from birth, but it is usually diagnosed in adulthood as maturity-onset diabetes of the young (MODY), where hyperglycemia is often an incidental finding. The hyperglycemia of GCK-MODY is benign and does not require treatment, but is important to be aware of, particularly in females where it has implications for managing pregnancy. We present three cases of neonatal hyperglycemia resulting from a heterozygous mutation in GCK, illustrating its clinical presentation and evolution in early life. In summary, as with adults, neonatal hyperglycemia is an incidental finding, does not require treatment and has no adverse consequences for health. Neonates and their parents should be referred for genetic testing to confirm the diagnosis, avoid a label of diabetes and enable pregnancy counseling for females found to be affected.
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Affiliation(s)
- Alice E Hughes
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, UK
| | - Elisa De Franco
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, UK
| | - Evgenia Globa
- Department of Pediatric Endocrinology, Ukrainian Center of Endocrine Surgery, MoH of Ukraine, Kyiv, Ukraine
| | - Nataliya Zelinska
- Department of Pediatric Endocrinology, Ukrainian Center of Endocrine Surgery, MoH of Ukraine, Kyiv, Ukraine
| | - Dörte Hilgard
- Pediatric Practice, Pediatric Endocrinology and Diabetology, Witten, Germany
| | - Popi Sifianou
- Department of Neonatology, General Hospital ''Elena Venizelou'', Athens, Greece
| | - Andrew T Hattersley
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, UK
| | - Sarah E Flanagan
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, UK
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19
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Lima Ferreira J, Voss G, Sá Couto A, Príncipe RM. Monogenic diabetes caused by GCK gene mutation is misdiagnosed as gestational diabetes - A multicenter study in Portugal. Diabetes Metab Syndr 2021; 15:102259. [PMID: 34438359 DOI: 10.1016/j.dsx.2021.102259] [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: 01/08/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 10/20/2022]
Abstract
AIMS Monogenic diabetes is an underdiagnosed type of diabetes mellitus, which can be harmful in pregnancy. We aim to estimate the prevalence of diabetes caused by the mutation of the glucokinase gene (GCK-MODY) in pregnant women diagnosed with gestational diabetes mellitus (GDM) and to characterize pregnant women with this suspicion. METHODS A multicenter observational study with data prospectively collected from pregnancies with GDM was conducted. Two groups of pregnant women were considered: those with GCK-MODY criteria and those without those criteria. RESULTS Of 18421 women with GDM, 3.6% (n = 730) had the GCK-MODY clinical criteria. A prevalence of 1.5% of GCK-MODY is estimated in women with GDM in Portugal, which is higher than in Northern European countries. Suspected GCK-MODY women had statistically higher odds of having neonates below the 25th percentile (OR = 1.23, 95%CI = 1.04-1.46, p = 0.016) and having prediabetes and diabetes in postpartum reclassification (OR = 2.11, 95%CI = 1.55-2.82, p < 0.001 and OR = 5.96, 95%CI = 3.38-10.06, p < 0.001, respectively). CONCLUSIONS Higher odds of neonates below the 25th percentile was probably due to excessive insulin treatment in cases where both the mother and the fetus have the mutation. It is essential to consider the diagnosis of GCK-MODY in all women with GDM criteria for better management of diabetes in pregnancy.
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Affiliation(s)
- Joana Lima Ferreira
- Department of Endocrinology, Hospital Pedro Hispano, Matosinhos Local Health Unit, Rua Dr. Eduardo Torres, 4464-513, Senhora da Hora, Matosinhos, Portugal.
| | - Gina Voss
- Centro de Estudos de Comunicação e Sociedade, Instituto de Ciências Sociais, Universidade do Minho, Campus de Gualtar, 4710-057, Braga, Braga, Portugal
| | - Adelina Sá Couto
- Department of Gynecology and Obstetrics, Hospital Pedro Hispano, Matosinhos Local Health Unit, Rua Dr. Eduardo Torres, 4464-513, Senhora da Hora, Matosinhos, Portugal
| | - Rosa Maria Príncipe
- Department of Endocrinology, Hospital Pedro Hispano, Matosinhos Local Health Unit, Rua Dr. Eduardo Torres, 4464-513, Senhora da Hora, Matosinhos, Portugal
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20
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Kwak SH, Powe CE, Jang SS, Callahan MJ, Bernstein SN, Lee SM, Kang S, Park KS, Jang HC, Florez JC, Kim JI, Chae JH. Sequencing Cell-free Fetal DNA in Pregnant Women With GCK-MODY. J Clin Endocrinol Metab 2021; 106:2678-2689. [PMID: 34406393 PMCID: PMC8660061 DOI: 10.1210/clinem/dgab265] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Indexed: 11/19/2022]
Abstract
CONTEXT Individuals with monogenic diabetes due to inactivating glucokinase (GCK) variants typically do not require treatment, except potentially during pregnancy. In pregnancy, fetal GCK genotype determines whether treatment is indicated, but noninvasive methods are not clinically available. OBJECTIVE This work aims to develop a method to determine fetal GCK genotype noninvasively using maternal cell-free fetal DNA. METHODS This was a proof-of-concept study involving 3 pregnant women with a causal GCK variant that used information from 1) massive parallel sequencing of maternal plasma cell-free DNA, 2) direct haplotype sequences of maternal genomic DNA, and 3) the paternal genotypes to estimate relative haplotype dosage of the pathogenic variant-linked haplotype. Statistical testing of variant inheritance was performed using a sequential probability ratio test (SPRT). RESULTS In each of the 3 cases, plasma cell-free DNA was extracted once between gestational weeks 24 and 36. The fetal fraction of cell-free DNA ranged from 21.8% to 23.0%. Paternal homozygous alleles that were identical to the maternal GCK variant-linked allele were not overrepresented in the cell-free DNA. Paternal homozygous alleles that were identical to the maternal wild-type-linked allele were significantly overrepresented. Based on the SPRT, we predicted that all 3 cases did not inherit the GCK variant. Postnatal infant genotyping confirmed our prediction in each case. CONCLUSION We have successfully implemented a noninvasive method to predict fetal GCK genotype using cell-free DNA in 3 pregnant women carrying an inactivating GCK variant. This method could guide tailoring of hyperglycemia treatment in pregnancies of women with GCK monogenic diabetes.
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Affiliation(s)
- Soo Heon Kwak
- Department of Internal Medicine, Seoul National University Hospital, Seoul 03080, Korea
- Program in Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Camille E Powe
- Program in Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
- Diabetes Unit, Endocrine Division, Massachusetts General Hospital, Boston, MA 02114-2696, USA
- Harvard Medical School, Boston, MA 02115, USA
| | - Se Song Jang
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul 03080, Korea
| | - Michael J Callahan
- Diabetes Unit, Endocrine Division, Massachusetts General Hospital, Boston, MA 02114-2696, USA
| | - Sarah N Bernstein
- Harvard Medical School, Boston, MA 02115, USA
- Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, Massachusetts General Hospital, Boston, MA 02114-2696, USA
| | - Seung Mi Lee
- Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul 03080, Korea
| | - Sunyoung Kang
- Department of Internal Medicine, Seoul National University Hospital, Seoul 03080, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Kyong Soo Park
- Department of Internal Medicine, Seoul National University Hospital, Seoul 03080, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul 03080, Korea
- Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 03080, Korea
| | - Hak C Jang
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul 03080, Korea
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Korea
| | - Jose C Florez
- Program in Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
- Diabetes Unit, Endocrine Division, Massachusetts General Hospital, Boston, MA 02114-2696, USA
- Harvard Medical School, Boston, MA 02115, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA 02114-2696, USA
| | - Jong-Il Kim
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul 03080, Korea
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul 03080, Korea
| | - Jong Hee Chae
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul 03080, Korea
- Department of Genomic Medicine, Seoul National University Hospital, Seoul 03080, Korea
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21
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López Tinoco C, Sánchez Lechuga B, Bacon S, Colclough K, Ng N, Wong E, Goulden EL, Edwards J, Fleming A, Byrne B, Byrne MM. Evaluation of pregnancy outcomes in women with GCK-MODY. Diabet Med 2021; 38:e14488. [PMID: 33277730 DOI: 10.1111/dme.14488] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 11/26/2020] [Accepted: 12/01/2020] [Indexed: 12/28/2022]
Abstract
AIMS To determine the fetal and maternal outcomes in pregnant women with Glucokinase-Maturity onset diabetes of the young (GCK-MODY). METHODS We studied the obstetric and perinatal outcomes in 99 pregnancies of 34 women with GCK-MODY. The mutation status of the offspring was known in 29 and presumed in 33. Clinical outcomes were determined and compared between affected (n = 39) and unaffected (n = 23) offspring. RESULTS 59% of pregnancies were treated with diet alone and 41% received insulin. Birthweight, percentage of large for gestational age (LGA) and caesarean section (CS) in GCK-unaffected offspring was significantly higher than in GCK-affected offspring (4.0 ± 0.7 vs. 3.4 ± 0.4 kg, p = 0.001), 15 (65%) vs. 5(13%) (p = 0.00006) and 17 (74%) vs. 11 (28%) (p = 0.001), respectively. We observed an earlier gestational age at delivery on insulin in unaffected offspring (38.3 ± 1.0 vs. 39.5 ± 1.5 weeks, p = 0.03) with no significant change in LGA (9 (82%) vs. 6 (50%); p = 0.12), and a higher rate of CS (8 [73%] vs. 3 [11%]; p < 0.001), and no change in small for gestational age (0 [0%] vs. 4 [14%]; p = 0.30) in affected offspring. CONCLUSION Insulin therapy in unaffected offspring did not reduce LGA and was associated with earlier gestational age at delivery. Insulin treatment in GCK-affected offspring was associated with an increased incidence of CS, but did not adversely affect fetal outcome. Fetal genotype determines birthweight rather than treatment. Pre-pregnancy diagnosis of GCK-MODY, use of continuous glucose monitoring and non-invasive fetal genotyping may enable further investigation of targeted therapy in this condition.
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Affiliation(s)
| | - Begoña Sánchez Lechuga
- Department of Endocrinology, Puerta del Mar University Hospital, Cádiz, Spain
- Department of Endocrinology, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Siobhan Bacon
- Department of Endocrinology, Sligo University Hospital, Sligo, Ireland
| | - Kevin Colclough
- Department of Molecular Genetics, Royal Devon and Exeter NHS Foundation Trust, Exeter, UK
| | - Nicholas Ng
- Department of Endocrinology, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Eleanor Wong
- Department of Endocrinology, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Eirena L Goulden
- Department of Endocrinology, Mater Misericordiae University Hospital, Dublin, Ireland
- Rotunda Maternity Hospital, Dublin, Ireland
| | | | | | - Bridgette Byrne
- Coombe Women and Infants University Hospital, Dublin, Ireland
| | - Maria M Byrne
- Department of Endocrinology, Mater Misericordiae University Hospital, Dublin, Ireland
- Rotunda Maternity Hospital, Dublin, Ireland
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22
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Kleinwechter H, Demandt N, Nolte A. Prädisposition/Phänotypen des Gestationsdiabetes mellitus. DIABETOL STOFFWECHS 2021. [DOI: 10.1055/a-1217-2233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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23
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Huvinen E, Engberg E, Meinilä J, Tammelin T, Kulmala J, Heinonen K, Bergman P, Stach-Lempinen B, Koivusalo S. Lifestyle and glycemic health 5 years postpartum in obese and non-obese high diabetes risk women. Acta Diabetol 2020; 57:1453-1462. [PMID: 32712801 PMCID: PMC7591422 DOI: 10.1007/s00592-020-01553-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 05/26/2020] [Indexed: 12/11/2022]
Abstract
AIM Women with prior gestational diabetes (GDM) are at increased diabetes risk. This study aimed to assess whether lifestyle is associated with glycemic health of high-risk women 5 years postpartum, taking into account the pre-pregnancy BMI. METHODS The RADIEL study enrolled before or in early pregnancy 720 women with pre-pregnancy BMI ≥ 30 kg/m2 and/or prior GDM. The follow-up visit 5 years postpartum included questionnaires and measurements of anthropometrics, blood pressure, and physical activity (PA) as well as analyses of glucose metabolism, lipids, and inflammatory markers. We measured body composition (Inbody) and calculated a Healthy Food Intake Index (HFII) from Food Frequency Questionnaires (FFQ). ArmBand measured PA, sedentary time, and sleep. To take into account the diverse risk groups of GDM, we divided the women based on pre-pregnancy BMI over/under 30 kg/m2. RESULTS Altogether 348 women attended the follow-up. The obese and non-obese women showed similar prevalence of glycemic abnormalities, 13% and 19% (p = 0.139). PA levels were higher among the non-obese women (p < 0.05), except for step count, and their HFII was higher compared to the obese women (p = 0.033). After adjusting for age, education, and GDM history, PA and HFII were associated with glycemic health only among obese women. When both lifestyle factors were in the same model, only PA remained significant. PA associated with other markers of metabolic health also among the non-obese women, excluding HbA1c. CONCLUSION Lifestyle 5 years postpartum was associated with better glycemic health only among the obese high-risk women. PA, however, is essential for the metabolic health of all high-risk women. CLINICAL TRIAL REGISTRATION ClinicalTrials.gov, http://www.clinicaltrials.com , NCT01698385.
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Affiliation(s)
- Emilia Huvinen
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 2, PL 140, 00029 HUS, Helsinki, Finland.
| | - Elina Engberg
- Folkhälsan Research Center, Helsinki, Finland
- Clinicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Jelena Meinilä
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 2, PL 140, 00029 HUS, Helsinki, Finland
- Department of Food and Nutrition, University of Helsinki, Helsinki, Finland
| | - Tuija Tammelin
- LIKES Research Centre for Physical Activity and Health, Jyväskylä, Finland
| | - Janne Kulmala
- LIKES Research Centre for Physical Activity and Health, Jyväskylä, Finland
| | - Kati Heinonen
- Department of Psychology and Logopedics, University of Helsinki, Helsinki, Finland
| | - Paula Bergman
- Biostatistics Consulting, Department of Public Health, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Beata Stach-Lempinen
- Department of Obstetrics and Gynecology, South-Karelia Central Hospital, Lappeenranta, Finland
| | - Saila Koivusalo
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 2, PL 140, 00029 HUS, Helsinki, Finland
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24
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Riddle MC, Philipson LH, Rich SS, Carlsson A, Franks PW, Greeley SAW, Nolan JJ, Pearson ER, Zeitler PS, Hattersley AT. Monogenic Diabetes: From Genetic Insights to Population-Based Precision in Care. Reflections From a Diabetes Care Editors' Expert Forum. Diabetes Care 2020; 43:3117-3128. [PMID: 33560999 PMCID: PMC8162450 DOI: 10.2337/dci20-0065] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 09/14/2020] [Indexed: 02/06/2023]
Abstract
Individualization of therapy based on a person's specific type of diabetes is one key element of a "precision medicine" approach to diabetes care. However, applying such an approach remains difficult because of barriers such as disease heterogeneity, difficulties in accurately diagnosing different types of diabetes, multiple genetic influences, incomplete understanding of pathophysiology, limitations of current therapies, and environmental, social, and psychological factors. Monogenic diabetes, for which single gene mutations are causal, is the category most suited to a precision approach. The pathophysiological mechanisms of monogenic diabetes are understood better than those of any other form of diabetes. Thus, this category offers the advantage of accurate diagnosis of nonoverlapping etiological subgroups for which specific interventions can be applied. Although representing a small proportion of all diabetes cases, monogenic forms present an opportunity to demonstrate the feasibility of precision medicine strategies. In June 2019, the editors of Diabetes Care convened a panel of experts to discuss this opportunity. This article summarizes the major themes that arose at that forum. It presents an overview of the common causes of monogenic diabetes, describes some challenges in identifying and treating these disorders, and reports experience with various approaches to screening, diagnosis, and management. This article complements a larger American Diabetes Association effort supporting implementation of precision medicine for monogenic diabetes, which could serve as a platform for a broader initiative to apply more precise tactics to treating the more common forms of diabetes.
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Affiliation(s)
- Matthew C Riddle
- Division of Endocrinology, Diabetes, & Clinical Nutrition, Oregon Health & Science University, Portland, OR
| | - Louis H Philipson
- Section of Adult and Pediatric Endocrinology, Diabetes, and Metabolism, Department of Medicine, The University of Chicago, Chicago, IL.,Kovler Diabetes Center, The University of Chicago, Chicago, IL
| | - Stephen S Rich
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA
| | - Annelie Carlsson
- Department of Clinical Sciences, Lund University/Clinical Research Centre, Skåne University Hospital, Lund, Sweden
| | - Paul W Franks
- Harvard T.H. Chan School of Public Health, Boston, MA.,Lund University Diabetes Center, Department of Clinical Sciences, Lund University, Malmö, Sweden
| | - Siri Atma W Greeley
- Section of Adult and Pediatric Endocrinology, Diabetes, and Metabolism, Department of Medicine, The University of Chicago, Chicago, IL.,Kovler Diabetes Center, The University of Chicago, Chicago, IL
| | - John J Nolan
- School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - Ewan R Pearson
- Division of Population Health and Genomics, Ninewells Hospital and School of Medicine, University of Dundee, Dundee, Scotland, U.K
| | - Philip S Zeitler
- Children's Hospital Colorado and University of Colorado School of Medicine, Aurora, CO
| | - Andrew T Hattersley
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, U.K
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25
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The epidemiology, molecular pathogenesis, diagnosis, and treatment of maturity-onset diabetes of the young (MODY). Clin Diabetes Endocrinol 2020; 6:20. [PMID: 33292863 PMCID: PMC7640483 DOI: 10.1186/s40842-020-00112-5] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 10/26/2020] [Indexed: 12/18/2022] Open
Abstract
Background The most common type of monogenic diabetes is maturity-onset diabetes of the young (MODY), a clinically and genetically heterogeneous group of endocrine disorders that affect 1–5% of all patients with diabetes mellitus. MODY is characterized by autosomal dominant inheritance but de novo mutations have been reported. Clinical features of MODY include young-onset hyperglycemia, evidence of residual pancreatic function, and lack of beta cell autoimmunity or insulin resistance. Glucose-lowering medications are the main treatment options for MODY. The growing recognition of the clinical and public health significance of MODY by clinicians, researchers, and governments may lead to improved screening and diagnostic practices. Consequently, this review article aims to discuss the epidemiology, pathogenesis, diagnosis, and treatment of MODY based on relevant literature published from 1975 to 2020. Main body The estimated prevalence of MODY from European cohorts is 1 per 10,000 in adults and 1 per 23,000 in children. Since little is known about the prevalence of MODY in African, Asian, South American, and Middle Eastern populations, further research in non-European cohorts is needed to help elucidate MODY’s exact prevalence. Currently, 14 distinct subtypes of MODY can be diagnosed through clinical assessment and genetic analysis. Various genetic mutations and disease mechanisms contribute to the pathogenesis of MODY. Management of MODY is subtype-specific and includes diet, oral antidiabetic drugs, or insulin. Conclusions Incidence and prevalence estimates for MODY are derived from epidemiologic studies of young people with diabetes who live in Europe, Australia, and North America. Mechanisms involved in the pathogenesis of MODY include defective transcriptional regulation, abnormal metabolic enzymes, protein misfolding, dysfunctional ion channels, or impaired signal transduction. Clinicians should understand the epidemiology and pathogenesis of MODY because such knowledge is crucial for accurate diagnosis, individualized patient management, and screening of family members.
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26
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Powe CE, Hivert MF, Udler MS. Defining Heterogeneity Among Women With Gestational Diabetes Mellitus. Diabetes 2020; 69:2064-2074. [PMID: 32843565 PMCID: PMC7506831 DOI: 10.2337/dbi20-0004] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 04/29/2020] [Indexed: 12/17/2022]
Abstract
Attention to precision medicine in type 2 diabetes (T2D) has provided two favored approaches to subclassifying affected individuals and parsing heterogeneity apparent in this condition: phenotype-based and genotype-based. Gestational diabetes mellitus (GDM) shares phenotypic characteristics with T2D. However, unlike T2D, GDM emerges in the setting of profound pregnancy-related physiologic changes in glucose metabolism. T2D and GDM also share common genetic architecture, but there are likely to be unique genetic influences on pregnancy glycemic regulation that contribute to GDM. In this Perspective, we describe efforts to decipher heterogeneity in T2D and detail how we and others are applying approaches developed for T2D to the study of heterogeneity in GDM. Emerging results reveal the potential of phenotype- and genotype-based subclassification of GDM to deliver the promise of precision medicine to the obstetric population.
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Affiliation(s)
- Camille E Powe
- Diabetes Unit, Massachusetts General Hospital, Boston, MA
- Harvard Medical School, Boston, MA
- Programs in Metabolism and Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA
| | - Marie-France Hivert
- Diabetes Unit, Massachusetts General Hospital, Boston, MA
- Harvard Medical School, Boston, MA
- Department of Population Medicine, Harvard Pilgrim Healthcare Institute, Boston, MA
| | - Miriam S Udler
- Diabetes Unit, Massachusetts General Hospital, Boston, MA
- Harvard Medical School, Boston, MA
- Programs in Metabolism and Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA
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27
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Xiao Y, Ding J, Shi Y, Lin L, Huang W, Shen D, Wang W. MiR-330-3p contributes to INS-1 cell dysfunction by targeting glucokinase in gestational diabetes mellitus. J Obstet Gynaecol Res 2020; 46:864-875. [PMID: 32202040 DOI: 10.1111/jog.14249] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 02/21/2020] [Accepted: 03/07/2020] [Indexed: 12/16/2022]
Abstract
AIMS High-expressed miR-330-3p in gestational diabetes mellitus (GDM) patients was reported. However, the role and mechanism of miR-330-3p in GDM are rarely reported. In this research, we aim to investigate the effects of miR-330-3p on GDM. METHODS MiR-330-3p expression in the GDM patients' blood was determined by q-PCR. Blood glucose of blood samples was detected using blood glucose detection kits. Glucokinase (GCK) was confirmed to be a target gene of miR-330-3p by bioinformatics and luciferase analysis. Correlations between miR-330-3p with GCK and blood glucose were analyzed by Pearson correlation analysis. After INS-1 cells were treated with glucose and transfected with mimic, inhibitor or siGCK, GCK expression was detected by western blot, and q-PCR, enzyme-linked immunosorbent assays, cell counting kit-8 and Annexin-V/propidium iodide were conducted to examine the expression of insulin, cell viability and apoptosis. RESULTS MiR-330-3p was high-expressed in GDM patients' blood, while GCK was low-expressed. The miR-330-3p expression level positively correlated with blood glucoseand and it was highly expressed in glucose-treated INS-1 cells (11 and 22 mmol/L), while miR-330-3p expression negatively correlated with GCK expression. GCK expression was inhibited by miR-330-3p mimic and enhanced by the miR-330-3p inhibitor. MiR-330-3p mimic inhibited INS-1 cells' insulin expression, cell viability and induced apoptosis. Yet miR-330-3p inhibitor and siGCK exhibited opposite effects which miR-330-3p mimic and GCK played on INS-1 cells. In addition, siGCK reversed the effect of miR-330-3p inhibitor on INS-1 cells. CONCLUSION Our findings proved that miR-330-3p targeting GCK lead to the dysfunction of INS-1 cells in GDM, and could become a therapeutic target for GDM treatment.
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Affiliation(s)
- Yuping Xiao
- Department of Pediatrics, Integrated Chinese and Western Medicine Hospital of Zhejiang Province, Hangzhou, People's Republic of China.,Department of Pediatrics, Zhejiang University Hospital, Hangzhou, People's Republic of China
| | - Jingchao Ding
- Department of Pediatrics, Shaoxing Hospital of Zhejiang University, Shaoxing, People's Republic of China
| | - Yulan Shi
- Department of Pediatrics, Zhenyuan County People's Hospital, Guizhou, Qiandongnan Autonomous Prefecture, People's Republic of China
| | - Long Lin
- Department of Pediatrics, Integrated Chinese and Western Medicine Hospital of Zhejiang Province, Hangzhou, People's Republic of China
| | - Wenyuan Huang
- Department of Pediatrics, Integrated Chinese and Western Medicine Hospital of Zhejiang Province, Hangzhou, People's Republic of China
| | - Dongxia Shen
- Department of Pediatrics, Integrated Chinese and Western Medicine Hospital of Zhejiang Province, Hangzhou, People's Republic of China
| | - Weiqun Wang
- Department of Pediatrics, Integrated Chinese and Western Medicine Hospital of Zhejiang Province, Hangzhou, People's Republic of China
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28
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Affiliation(s)
- Miriam S Udler
- From the Departments of Medicine (M.S.U., C.E.P.) and Pathology (C.A.A.-T.), Massachusetts General Hospital, and the Departments of Medicine (M.S.U., C.E.P.) and Pathology (C.A.A.-T.), Harvard Medical School - both in Boston
| | - Camille E Powe
- From the Departments of Medicine (M.S.U., C.E.P.) and Pathology (C.A.A.-T.), Massachusetts General Hospital, and the Departments of Medicine (M.S.U., C.E.P.) and Pathology (C.A.A.-T.), Harvard Medical School - both in Boston
| | - Christina A Austin-Tse
- From the Departments of Medicine (M.S.U., C.E.P.) and Pathology (C.A.A.-T.), Massachusetts General Hospital, and the Departments of Medicine (M.S.U., C.E.P.) and Pathology (C.A.A.-T.), Harvard Medical School - both in Boston
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29
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Urbanova J, Brunerova L, Broz J. Hypoglycemia and antihyperglycemic treatment in adult MODY patients - A systematic review of literature. Diabetes Res Clin Pract 2019; 158:107914. [PMID: 31682881 DOI: 10.1016/j.diabres.2019.107914] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/11/2019] [Accepted: 10/29/2019] [Indexed: 01/26/2023]
Abstract
Maturity onset diabetes of the young (MODY) is a heterogeneous group of diseases caused by a single mutation in one of the 14 genes involved in the regulation of glucose homeostasis. GCK, HNF1A, and HNF4A genes are among the most common genes affected. Expression of these genes in the key organs for defense against hypoglycemia and their participation in counter-regulation to hypoglycemia may potentially put individuals with a heterozygous mutation in these genes at increased risk for hypoglycemia. In HNF4A-MODY and HNF1A-MODY patients, normal or even increased insulin sensitivity together with glucose-independent mechanism of action of the first-line therapy - sulphonylurea derivatives - often leads to hypoglycemia, even at the much lower dose used in type 2 diabetes. This review aims to analyze clinical studies and case reports concerning hypoglycemia associated with antihyperglycemic treatment in adult MODY patients.
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Affiliation(s)
- Jana Urbanova
- Diabetologic Centre, II. Department of Medicine, Charles University, Third Faculty of Medicine and Faculty Hospital Kralovske Vinohrady, Šrobarova 50, 10034 Prague 10, Czechia
| | - Ludmila Brunerova
- Diabetologic Centre, II. Department of Medicine, Charles University, Third Faculty of Medicine and Faculty Hospital Kralovske Vinohrady, Šrobarova 50, 10034 Prague 10, Czechia.
| | - Jan Broz
- Department of Medicine, Charles Univeristy, Second Faculty of Medicine and Faculty Hospital Motol, V Úvalu 84, 15006 Prague 5, Czechia
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30
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Vaxillaire M, Froguel P, Bonnefond A. How Recent Advances in Genomics Improve Precision Diagnosis and Personalized Care of Maturity-Onset Diabetes of the Young. Curr Diab Rep 2019; 19:79. [PMID: 31385057 DOI: 10.1007/s11892-019-1202-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW Non-autoimmune monogenic diabetes (MD) in young people shows a broad spectrum of clinical presentations, which is largely explained by multiple genetic etiologies. This review discusses how the application of state-of-the-art genomics research to precision diagnosis of MD, particularly the various subtypes of maturity-onset diabetes of the young (MODY), has increasingly informed diabetes precision medicine and patient care throughout life. RECENT FINDINGS Due to extended genetic and clinical heterogeneity of MODY, diagnosis approaches based on next-generation sequencing have been worthwhile to better ascribe a specific subtype to each patient with young-onset diabetes. This guides the best appropriate treatment and clinical follow-up. Early etiological diagnosis of MD and individualized treatment are essential for achieving metabolic targets and avoiding long-term diabetes complications, as well as for drastically decreasing the financial and societal burden of diabetes-related healthcare. Genomic medicine-based practices help to optimize long-term clinical follow-up and patient care management.
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Affiliation(s)
- Martine Vaxillaire
- Univ. Lille, CNRS, CHU Lille, Institut Pasteur de Lille, UMR 8199 - European Genomic Institute for Diabetes (EGID), University Lille, F-59000, Lille, France.
- Faculty of Medicine, CNRS UMR 8199, 1 Place de Verdun, F-59045, Lille, France.
| | - Philippe Froguel
- Univ. Lille, CNRS, CHU Lille, Institut Pasteur de Lille, UMR 8199 - European Genomic Institute for Diabetes (EGID), University Lille, F-59000, Lille, France
- Department of Medicine, Section of Genomics of Common Disease, Imperial College London, London, UK
| | - Amélie Bonnefond
- Univ. Lille, CNRS, CHU Lille, Institut Pasteur de Lille, UMR 8199 - European Genomic Institute for Diabetes (EGID), University Lille, F-59000, Lille, France
- Department of Medicine, Section of Genomics of Common Disease, Imperial College London, London, UK
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