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Li M, Popovic N, Wang Y, Chen C, Polychronakos C. Incomplete penetrance and variable expressivity in monogenic diabetes; a challenge but also an opportunity. Rev Endocr Metab Disord 2023; 24:673-684. [PMID: 37165203 DOI: 10.1007/s11154-023-09809-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/01/2023] [Indexed: 05/12/2023]
Abstract
Monogenic Forms of Diabetes (MFD) account for about 3% of all diabetes, and their accurate diagnosis often results in life-changing therapeutic reassignment for the patients. Like other Mendelian diseases, reduced penetrance and variable expressivity are often seen in several different types of MFD, where symptoms develop only in a portion of the persons who carry the pathogenic variant or vary widely in symptom severity and age of onset. This complicates diagnosis and disease management in MFD. In addition to its clinical importance, knowledge of genetic modifiers that confer penetrance and expressivity variability opens possibilities to identify protective genetic variants which may help probe the mechanisms of more common forms of diabetes and shed light in new therapeutic strategies. In this review, we will mainly address penetrance and expressivity variation in different types of MFD, factors that confer such variations and opportunities that come with such knowledge. Related literature was searched in PubMed, Medline and Embase. Papers with publication year from 1974 to 2023 are included. Data are either sourced from literatures or from OMIM, Clinvar and 1000 genome browser.
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Affiliation(s)
- Meihang Li
- College of pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou, Guangdong, China.
- Department of Emergency, Department of Endorinology, Maoming People's Hospital, 101 Weimin Road, Maoming, Guangdong, China.
- Montreal Children's Hospital and the Endocrine Genetics Laboratory, Child Health and Human Development Program, Research Institute of the McGill University Health Centre, Montreal, China.
- MaiDa Gene Technology, Zhoushan, China.
| | - Natalija Popovic
- Montreal Children's Hospital and the Endocrine Genetics Laboratory, Child Health and Human Development Program, Research Institute of the McGill University Health Centre, Montreal, China
| | - Ying Wang
- College of pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou, Guangdong, China
| | - Chunbo Chen
- Department of Emergency, Department of Endorinology, Maoming People's Hospital, 101 Weimin Road, Maoming, Guangdong, China
- Department of Critical Care Medicine, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of South University of Science and Technology, Shenzhen, China
- Department of Intensive Care Unit of Cardiovascular Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
| | - Constantin Polychronakos
- Montreal Children's Hospital and the Endocrine Genetics Laboratory, Child Health and Human Development Program, Research Institute of the McGill University Health Centre, Montreal, China
- MaiDa Gene Technology, Zhoushan, China
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Chisnoiu T, Balasa AL, Mihai L, Lupu A, Frecus CE, Ion I, Andrusca A, Pantazi AC, Nicolae M, Lupu VV, Ionescu C, Mihai CM, Cambrea SC. Continuous Glucose Monitoring in Transient Neonatal Diabetes Mellitus-2 Case Reports and Literature Review. Diagnostics (Basel) 2023; 13:2271. [PMID: 37443665 DOI: 10.3390/diagnostics13132271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/03/2023] [Accepted: 06/30/2023] [Indexed: 07/15/2023] Open
Abstract
Neonatal diabetes mellitus is a rare genetic disease that affects 1 in 90,000 live births. The start of the disease is often before the baby is 6 months old, with rare cases of onset between 6 months and 1 year. It is characterized by low or absent insulin levels in the blood, leading to severe hyperglycemia in the patient, which requires temporary insulin therapy in around 50% of cases or permanent insulin therapy in other cases. Two major processes involved in diabetes mellitus are a deformed pancreas with altered insulin-secreting cell development and/or survival or faulty functioning of the existing pancreatic beta cell. We will discuss the cases of two preterm girls with neonatal diabetes mellitus in this research. In addition to reviewing the literature on the topic, we examined the different mutations, patient care, and clinical outcomes both before and after insulin treatment.
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Affiliation(s)
- Tatiana Chisnoiu
- Department of Pediatrics, Faculty of General Medicine, "Ovidius" University, 900470 Constanta, Romania
- Pediatrics, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
| | - Adriana Luminita Balasa
- Department of Pediatrics, Faculty of General Medicine, "Ovidius" University, 900470 Constanta, Romania
- Pediatrics, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
| | - Larisia Mihai
- Department of Pediatrics, Faculty of General Medicine, "Ovidius" University, 900470 Constanta, Romania
- Pediatrics, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
| | - Ancuta Lupu
- Pediatrics, "Grigore T. Popa", Department of Mother and Child Medicine, University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Corina Elena Frecus
- Department of Pediatrics, Faculty of General Medicine, "Ovidius" University, 900470 Constanta, Romania
- Pediatrics, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
| | - Irina Ion
- Department of Pediatrics, Faculty of General Medicine, "Ovidius" University, 900470 Constanta, Romania
- Pediatrics, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
| | - Antonio Andrusca
- Department of Pediatrics, Faculty of General Medicine, "Ovidius" University, 900470 Constanta, Romania
- Pediatrics, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
| | - Alexandru Cosmin Pantazi
- Department of Pediatrics, Faculty of General Medicine, "Ovidius" University, 900470 Constanta, Romania
- Pediatrics, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
| | - Maria Nicolae
- Department of Pediatrics, Faculty of General Medicine, "Ovidius" University, 900470 Constanta, Romania
- Pediatrics, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
| | - Vasile Valeriu Lupu
- Pediatrics, "Grigore T. Popa", Department of Mother and Child Medicine, University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Constantin Ionescu
- Department 1 Preclinical, Faculty of General Medicine, "Ovidius" University, 900470 Constanta, Romania
| | - Cristina Maria Mihai
- Department of Pediatrics, Faculty of General Medicine, "Ovidius" University, 900470 Constanta, Romania
- Pediatrics, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
| | - Simona Claudia Cambrea
- Department of Infectious Diseases, Faculty of General Medicine, "Ovidius" University, 900470 Constanta, Romania
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Hara-Isono K, Matsubara K, Nakamura A, Sano S, Inoue T, Kawashima S, Fuke T, Yamazawa K, Fukami M, Ogata T, Kagami M. Risk assessment of assisted reproductive technology and parental age at childbirth for the development of uniparental disomy-mediated imprinting disorders caused by aneuploid gametes. Clin Epigenetics 2023; 15:78. [PMID: 37147716 PMCID: PMC10163687 DOI: 10.1186/s13148-023-01494-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 04/26/2023] [Indexed: 05/07/2023] Open
Abstract
BACKGROUND Our previous study suggested that assisted reproductive technology (ART) may be a possible risk factor for the development of epimutation-mediated imprinting disorders (epi-IDs) for mothers aged ≥ 30 years. However, whether ART or advanced parental age facilitates the development of uniparental disomy-mediated IDs (UPD-IDs) has not yet been investigated. RESULTS We enrolled 130 patients with aneuploid UPD-IDs including various IDs confirmed by molecular studies and obtained ART data of the general population and patients with epi-IDs from a robust nationwide database and our previous report, respectively. We compared the proportion of ART-conceived livebirths and maternal childbearing age between patients with UPD-IDs and the general population or patients with epi-IDs. The proportion of ART-conceived livebirths in patients with aneuploid UPD-IDs was consistent with that in the general population of maternal age ≥ 30 years and was lower than that in the patients with epi-IDs, although there was no significant difference. The maternal childbearing age of patients with aneuploid UPD-IDs was skewed to the increased ages with several cases exceeding the 97.5th percentile of maternal childbearing age of the general population and significantly higher than that of patients with epi-IDs (P < 0.001). In addition, we compared the proportion of ART-conceived livebirths and parental age at childbirth between patients with UPD-IDs caused by aneuploid oocytes (oUPD-IDs) and that by aneuploid sperm (sUPD-IDs). Almost all ART-conceived livebirths were identified in patients with oUPD-IDs, and both maternal age and paternal age at childbirth were significantly higher in patients with oUPD-IDs than in patients with sUPD-IDs. Because maternal age and paternal age were strongly correlated (rs = 0.637, P < 0.001), higher paternal age in oUPD-IDs was explained by the higher maternal age in this group. CONCLUSIONS Different from the case of epi-IDs, ART itself is not likely to facilitate the development of aneuploid UPD-IDs. We demonstrated that advanced maternal age can be a risk factor for the development of aneuploid UPD-IDs, particularly oUPD-IDs.
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Affiliation(s)
- Kaori Hara-Isono
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-Ku, Tokyo, 157-8535, Japan
- Department of Pediatrics, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Keiko Matsubara
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-Ku, Tokyo, 157-8535, Japan
| | - Akie Nakamura
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-Ku, Tokyo, 157-8535, Japan
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, Kita 15, Nishi 7, Kita-Ku, Sapporo, 060-8648, Japan
| | - Shinichiro Sano
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-Ku, Tokyo, 157-8535, Japan
- Department of Endocrinology and Metabolism, Shizuoka Children's Hospital, 860 Urushiyama, Aoi-Ku, Shizuoka, 420-8660, Japan
| | - Takanobu Inoue
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-Ku, Tokyo, 157-8535, Japan
| | - Sayaka Kawashima
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-Ku, Tokyo, 157-8535, Japan
| | - Tomoko Fuke
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-Ku, Tokyo, 157-8535, Japan
| | - Kazuki Yamazawa
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-Ku, Tokyo, 157-8535, Japan
- Medical Genetics Center, National Hospital Organization Tokyo Medical Center, 2-5-1 Higashigaoka, Meguro-Ku, Tokyo, 152-8902, Japan
| | - Maki Fukami
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-Ku, Tokyo, 157-8535, Japan
| | - Tsutomu Ogata
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-Ku, Tokyo, 157-8535, Japan
- Department of Biochemistry, Hamamatsu University School of Medicine, 1‑20‑1 Handayama, Higashi‑ku, Hamamatsu, 431‑3192, Japan
- Department of Pediatrics, Hamamatsu Medical Center, 328 Tomizuka Cho, Naka-Ku, Hamamatsu, 432-8580, Japan
| | - Masayo Kagami
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-Ku, Tokyo, 157-8535, Japan.
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Yorifuji T, Watanabe Y, Kitayama K, Yamada Y, Higuchi S, Mori J, Kato M, Takahashi T, Okuda T, Aoyama T. Targeted gene panel analysis of Japanese patients with maturity-onset diabetes of the young-like diabetes mellitus: Roles of inactivating variants in the ABCC8 and insulin resistance genes. J Diabetes Investig 2022; 14:387-403. [PMID: 36504295 PMCID: PMC9951579 DOI: 10.1111/jdi.13957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 10/23/2022] [Accepted: 11/24/2022] [Indexed: 12/14/2022] Open
Abstract
AIMS/INTRODUCTION To investigate the genetic background of Japanese patients with suspected maturity-onset diabetes of the young (MODY). MATERIALS AND METHODS On 340 proband patients referred from across Japan, genomic variants were analyzed using a targeted multigene panel analysis combined with the multiplex ligation probe amplification (MLPA) analysis, mitochondrial m.3243A > G analysis and methylation-specific polymerase chain reaction of the imprinted 6q24 locus. Pathogenic/likely pathogenic variants were listed according to the 2015 American College of Medical Genetics and Genomics and the Association for Molecular Pathology criteria. Additionally, variants with a population frequency <0.001 and Combined Annotation Dependent Depletion score >20 (CS >20) were listed as rare variants of uncertain significance-CS >20. RESULTS A total of 157 pathogenic/likely pathogenic variants and 44 rare variants of uncertain significance-CS >20 were identified. In the pathogenic/likely pathogenic variants, alterations in the GCK gene were the most common (82, 52.2%) followed by HNF1A (29, 18.5%), HNF4A (13, 8.3%) and HNF1B (13, 8.3%). One patient was a 29.5% mosaic with a truncating INSR variant. In the rare variants of uncertain significance-CS >20, 20 (45.5%) were in the genes coding for the adenosine triphosphate-sensitive potassium channel, KCNJ11 or ABCC8, and four were in the genes of the insulin-signaling pathway, INSR and PIK3R1. Four variants in ABCC8 were previously reported in patients with congenital hyperinsulinism, suggesting the inactivating nature of these variants, and at least two of our patients had a history of congenital hyperinsulinism evolving into diabetes. In two patients with INSR or PIK3R1 variants, insulin resistance was evident at diagnosis. CONCLUSIONS Causative genomic variants could be identified in at least 46.2% of clinically suspected MODY patients. ABCC8-MODY with inactivating variants could represent a distinct category of MODY. Genes of insulin resistance should be included in the sequencing panel for MODY.
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Affiliation(s)
- Tohru Yorifuji
- Division of Pediatric Endocrinology and MetabolismChildren's Medical Center, Osaka City General HospitalOsakaJapan,Department of Genetic MedicineOsaka City General HospitalOsakaJapan,Clinical Research CenterOsaka City General HospitalOsakaJapan,2nd Department of Internal MedicineDate Red Cross HospitalDate, HokkaidoJapan
| | - Yoh Watanabe
- Division of Pediatric Endocrinology and MetabolismChildren's Medical Center, Osaka City General HospitalOsakaJapan
| | - Kana Kitayama
- Division of Pediatric Endocrinology and MetabolismChildren's Medical Center, Osaka City General HospitalOsakaJapan
| | - Yuki Yamada
- Division of Pediatric Endocrinology and MetabolismChildren's Medical Center, Osaka City General HospitalOsakaJapan
| | - Shinji Higuchi
- Division of Pediatric Endocrinology and MetabolismChildren's Medical Center, Osaka City General HospitalOsakaJapan
| | - Jun Mori
- Division of Pediatric Endocrinology and MetabolismChildren's Medical Center, Osaka City General HospitalOsakaJapan
| | - Masaru Kato
- Department of Genetic MedicineOsaka City General HospitalOsakaJapan
| | - Toru Takahashi
- Department of Genetic MedicineOsaka City General HospitalOsakaJapan
| | - Tokuko Okuda
- Clinical Research CenterOsaka City General HospitalOsakaJapan
| | - Takane Aoyama
- Clinical Research CenterOsaka City General HospitalOsakaJapan
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5
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Greeley SAW, Polak M, Njølstad PR, Barbetti F, Williams R, Castano L, Raile K, Chi DV, Habeb A, Hattersley AT, Codner E. ISPAD Clinical Practice Consensus Guidelines 2022: The diagnosis and management of monogenic diabetes in children and adolescents. Pediatr Diabetes 2022; 23:1188-1211. [PMID: 36537518 PMCID: PMC10107883 DOI: 10.1111/pedi.13426] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 09/30/2022] [Indexed: 12/24/2022] Open
Affiliation(s)
- Siri Atma W. Greeley
- Section of Pediatric and Adult Endocrinology, Diabetes and Metabolism, Kovler Diabetes Center and Comer Children's HospitalUniversity of Chicago MedicineChicagoIllinoisUSA
| | - Michel Polak
- Hôpital Universitaire Necker‐Enfants MaladesUniversité de Paris Cité, INSERM U1016, Institut IMAGINEParisFrance
| | - Pål R. Njølstad
- Department of Clinical ScienceUniversity of Bergen, and Children and Youth Clinic, Hauk eland University HospitalBergenNorway
| | - Fabrizio Barbetti
- Clinical Laboratory UnitBambino Gesù Children's Hospital, IRCCSRomeItaly
| | - Rachel Williams
- National Severe Insulin Resistance ServiceCambridge University Hospitals NHS TrustCambridgeUK
| | - Luis Castano
- Endocrinology and Diabetes Research Group, Biocruces Bizkaia Health Research InstituteCruces University Hospital, CIBERDEM, CIBERER, Endo‐ERN, UPV/EHUBarakaldoSpain
| | - Klemens Raile
- Department of Paediatric Endocrinology and DiabetologyCharité – UniversitätsmedizinBerlinGermany
| | - Dung Vu Chi
- Center for Endocrinology, Metabolism, Genetics and Molecular Therapy, Departement of Pediatric Endocrinology and DiabetesVietnam National Children's HospitalHanoiVietnam
- Department of Pediatrics and Department of Biology and Medical GeneticsHanoi Medical UniversityHanoiVietnam
| | - Abdelhadi Habeb
- Department of PediatricsPrince Mohamed bin Abdulaziz Hopsital, National Guard Health AffairsMadinahSaudi Arabia
| | - Andrew T. Hattersley
- Institute of Biomedical and Clinical SciencesUniversity of Exeter Medical SchoolExeterUK
| | - Ethel Codner
- Institute of Maternal and Child ResearchSchool of Medicine, University of ChileSantiagoChile
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Hara-Isono K, Matsubara K, Mikami M, Arima T, Ogata T, Fukami M, Kagami M. Assisted reproductive technology represents a possible risk factor for development of epimutation-mediated imprinting disorders for mothers aged ≥ 30 years. Clin Epigenetics 2020; 12:111. [PMID: 32698867 PMCID: PMC7374921 DOI: 10.1186/s13148-020-00900-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 07/08/2020] [Indexed: 12/29/2022] Open
Abstract
Backgrounds The proportion of assisted reproductive technology (ART)-conceived livebirths of patients with imprinting disorders (IDs) is higher than that of the general population. Whether this is due to ART or confounding effects of advanced parental age was not investigated. We examined the association of ART and parental ages at childbirth for the development of eight epimutation-mediated imprinting disorders (epi-IDs). Results We enrolled 136 patients with epi-IDs and obtained general population ART data from the Japanese robust nationwide registry. We compared the proportion of ART-conceived livebirths and maternal childbearing ages between patients with epi-IDs and the general population. The proportion of ART-conceived livebirths in patients with epi-IDs was higher than that in mothers aged ≥ 30 years, the age group in which more than 90% of ART procedures performed. The maternal childbearing ages of patients with epi-IDs were widely distributed from 19 to 45 (median: 32) within the approximate 2.5th to 97.5th percentiles of maternal childbearing ages of the general population. In addition, we compared the proportion of ART-conceived livebirths and parental ages at childbirth across patients with eight epi-IDs. We demonstrated that more than 90% of ART-conceived patients with epi-IDs were found in Silver-Russell syndrome (SRS) and Beckwith-Wiedemann syndrome (BWS) patients, and parental ages were almost consistent in patients with eight epi-IDs, except Prader-Willi syndrome. Conclusions According to the prerequisite that most of the ART procedures in Japan are performed on mothers aged ≥ 30 years, ART can be a risk factor for the development of epi-IDs, particularly SRS and BWS, for mothers aged ≥ 30 years.
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Affiliation(s)
- Kaori Hara-Isono
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-ku, Tokyo, 157-8535, Japan.,Department of Pediatrics, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Keiko Matsubara
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-ku, Tokyo, 157-8535, Japan
| | - Masashi Mikami
- Division of Biostatistics, Clinical Research Center, National Center for Child Health and Development, 2-10-1 Okura, Setagaya-ku, Tokyo, 157-8535, Japan
| | - Takahiro Arima
- Department of Informative Genetics, Environment and Genome Research Center, Tohoku University Graduate School of Medicine, 2-1 Seiryo-cho, Aoba-ku, Sendai, 980-8575, Japan
| | - Tsutomu Ogata
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-ku, Tokyo, 157-8535, Japan.,Department of Pediatrics, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
| | - Maki Fukami
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-ku, Tokyo, 157-8535, Japan
| | - Masayo Kagami
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-ku, Tokyo, 157-8535, Japan.
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Iwata N, Asui R, Mizumoto H, Hata D. Management of a case of transient neonatal diabetes mellitus using continuous glucose monitoring. Clin Pediatr Endocrinol 2020; 29:77-80. [PMID: 32313376 PMCID: PMC7160458 DOI: 10.1297/cpe.29.77] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 02/03/2020] [Indexed: 11/18/2022] Open
Abstract
Neonatal diabetes mellitus (NDM) is a very rare disorder and its diagnosis can be
challenging especially in mild and transient cases. Herein, we describe a 2.4-kg female
infant born at 38 wk of gestation who showed hyperglycemia (388 mg/dL) on Day 1.
Intermittent blood sampling showed glucose concentrations of 100–150 mg/dL on Day 2–5.
However, continuous glucose monitoring (CGM) from Day 7 revealed hyperglycemia (> 200
mg/dL) after every feeding. The patient required low-dose (0.1–0.2 U/kg/d) insulin therapy
for a short period (7 d). During the treatment, hypoglycemic (< 50 mg/dL) events were
not detected by real- time CGM. Follow-up CGM from Day 32 showed normoglycemia for 3 full
days; therefore, we ascertained that the diabetes had been transient. Later genetic
analysis revealed an abnormal methylation pattern on chromosome 6q24, which is the most
frequent cause of transient NDM. Most cases of 6q24-related NDM relapse after puberty,
implying that long term follow up is required. We speculate that the NDM in this case
might not have been diagnosed without CGM. This report highlights the usefulness of CGM
for the initial diagnosis, monitoring during insulin therapy, and confirmation of
improvement in patients with transient NDM.
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Affiliation(s)
- Naoya Iwata
- Department of Pediatrics, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
| | - Risa Asui
- Department of Pediatrics, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
| | - Hiroshi Mizumoto
- Department of Pediatrics, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
| | - Daisuke Hata
- Department of Pediatrics, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
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8
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Hattori A, Okamura K, Terada Y, Tanaka R, Katoh-Fukui Y, Matsubara Y, Matsubara K, Kagami M, Horikawa R, Fukami M. Transient multifocal genomic crisis creating chromothriptic and non-chromothriptic rearrangements in prezygotic testicular germ cells. BMC Med Genomics 2019; 12:77. [PMID: 31138192 PMCID: PMC6540402 DOI: 10.1186/s12920-019-0526-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 05/10/2019] [Indexed: 12/15/2022] Open
Abstract
Background The co-occurrence of multiple de novo copy number variations (CNVs) is a rare phenomenon in the human genome. Recently, an “organismal CNV mutator phenotype” has been reported to result in transient genomic instability introducing multiple de novo CNVs in primary oocytes and early-stage zygotes. These findings opened a new area of human genome research. Methods We performed genome-wide copy number analysis for ~ 2100 individuals with various congenital defects. Furthermore, extensive molecular analyses, including synthetic long-read whole-genome sequencing and haplotype-phasing, were carried out for an individual with multiple de novo CNVs. Results A boy was found to have de novo rearrangements on five chromosomes. The rearrangements comprised simple duplication and inversion as well as chaotic changes, all of which affected paternally derived chromosomes. Postzygotic genomic instability was ruled out. The duplicated regions on 6q and 13q contained both diallelic and triallelic loci, indicating that the genomic rearrangements were initially created during premeiotic mitosis and subsequently modified by physiological cross-over during meiosis I. Breakpoints of the rearrangements were indicative of non-homologous end joining, replication-based errors, and/or chromothripsis. The mutagenic event was independent of specific local DNA motifs or de novo point mutations, but may be driven by spermatogenesis-specific factors. Conclusions These results indicate that during spermatogenesis, a transient multifocal genomic crisis can introduce several chromothriptic and non-chromothriptic changes into the genome. These findings broaden the concept of the “organismal CNV mutator phenotype”. This study provides insights into mechanisms for altering the global chromosomal architecture of human embryos. Electronic supplementary material The online version of this article (10.1186/s12920-019-0526-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Atsushi Hattori
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, 157-8535, Japan.,Department of Advanced Pediatric Medicine, Tohoku University School of Medicine, Tokyo, 157-8535, Japan
| | - Kohji Okamura
- Department of Systems BioMedicine, National Research Institute for Child Health and Development, Tokyo, 157-8535, Japan
| | - Yumiko Terada
- Division of Endocrinology and Metabolism, National Medical Center for Children and Mothers, Tokyo, 157-8535, Japan
| | - Rika Tanaka
- Department of Neonatology, Aiiku Hospital, Tokyo, 105-8321, Japan
| | - Yuko Katoh-Fukui
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, 157-8535, Japan
| | - Yoichi Matsubara
- National Research Institute for Child Health and Development, Tokyo, 157-8535, Japan
| | - Keiko Matsubara
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, 157-8535, Japan
| | - Masayo Kagami
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, 157-8535, Japan
| | - Reiko Horikawa
- Division of Endocrinology and Metabolism, National Medical Center for Children and Mothers, Tokyo, 157-8535, Japan
| | - Maki Fukami
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, 157-8535, Japan.
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9
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Novak A, Bowman P, Kraljevic I, Tripolski M, Houghton JAL, De Franco E, Shepherd MH, Skrabic V, Patel KA. Transient Neonatal Diabetes: An Etiologic Clue for the Adult Diabetologist. Can J Diabetes 2019; 44:128-130. [PMID: 31255515 PMCID: PMC7049895 DOI: 10.1016/j.jcjd.2019.05.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 04/26/2019] [Accepted: 05/01/2019] [Indexed: 12/02/2022]
Affiliation(s)
- Anela Novak
- Section of Endocrinology, Department of Internal Medicine, University Hospital Split, Split, Croatia
| | - Pamela Bowman
- The Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, United Kingdom
| | - Ivana Kraljevic
- Department of Endocrinology, Department of Internal Medicine, University Hospital Zagreb, Zagreb, Croatia
| | - Marija Tripolski
- Section of Endocrinology, Department of Internal Medicine, University Hospital Osijek, Osijek, Croatia
| | - Jayne A L Houghton
- The Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, United Kingdom
| | - Elisa De Franco
- The Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, United Kingdom
| | - Maggie H Shepherd
- The Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, United Kingdom; Exeter NIHR Clinical Research Facility, Royal Devon & Exeter NHS Foundation Trust, Exeter, United Kingdom
| | - Veselin Skrabic
- Section of Neuroendocrinology, Department of Pediatrics, University Hospital Split, Split, Croatia
| | - Kashyap A Patel
- The Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, United Kingdom.
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10
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Hattersley AT, Greeley SAW, Polak M, Rubio-Cabezas O, Njølstad PR, Mlynarski W, Castano L, Carlsson A, Raile K, Chi DV, Ellard S, Craig ME. ISPAD Clinical Practice Consensus Guidelines 2018: The diagnosis and management of monogenic diabetes in children and adolescents. Pediatr Diabetes 2018; 19 Suppl 27:47-63. [PMID: 30225972 DOI: 10.1111/pedi.12772] [Citation(s) in RCA: 184] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 08/07/2018] [Indexed: 02/06/2023] Open
Affiliation(s)
- Andrew T Hattersley
- Institute of Biomedical and Clinical Sciences, University of Exeter Medical School, Exeter, UK
| | - Siri A W Greeley
- The University of Chicago Medicine, Comer Children's Hospital, Chicago, Illinois
| | - Michel Polak
- Hôpital Universitaire Necker-Enfants Malades, Université Paris Descartes, Paris, France
| | - Oscar Rubio-Cabezas
- Department of Paediatric Endocrinology, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
| | - Pål R Njølstad
- Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Pediatrics, Haukeland University Hospital, Bergen, Norway
| | - Wojciech Mlynarski
- Department of Pediatrics, Oncology, Hematology and Diabetology, Medical University of Lodz, Lodz, Poland
| | - Luis Castano
- Endocrinology and Diabetes Research Group, BioCruces Health Research Institute, Cruces University Hospital, Barakaldo, Spain
| | - Annelie Carlsson
- Department of Clinical Sciences, Skåne University Hospital, Lund University, Lund, Sweden
| | - Klemens Raile
- Department of Paediatric Endocrinology and Diabetology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Dung V Chi
- Department of Endocrinology, Metabolism & Genetics, National Children's Hospital, Hanoi, Vietnam.,Department of Pediatrics, Hanoi Medical University, Hanoi, Vietnam
| | - Sian Ellard
- Institute of Biomedical and Clinical Sciences, University of Exeter Medical School, Exeter, UK
| | - Maria E Craig
- The Children's Hospital at Westmead and Discipline of Child Health and Adolescent Health, University of Sydney, Sydney, Australia.,School of Women's and Children's Health, University of New South Wales, Sydney, Australia
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11
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Letourneau LR, Greeley SAW. Congenital Diabetes: Comprehensive Genetic Testing Allows for Improved Diagnosis and Treatment of Diabetes and Other Associated Features. Curr Diab Rep 2018; 18:46. [PMID: 29896650 PMCID: PMC6341981 DOI: 10.1007/s11892-018-1016-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
PURPOSE OF REVIEW The goal of this review is to provide updates on congenital (neonatal) diabetes from 2011 to present, with an emphasis on publications from 2015 to present. RECENT FINDINGS There has been continued worldwide progress in uncovering the genetic causes of diabetes presenting within the first year of life, including the recognition of nine new causes since 2011. Management has continued to be refined based on underlying molecular cause, and longer-term experience has provided better understanding of the effectiveness, safety, and sustainability of treatment. Associated conditions have been further clarified, such as neurodevelopmental delays and pancreatic insufficiency, including a better appreciation for how these "secondary" conditions impact quality of life for patients and their families. While continued research is essential to understand all forms of congenital diabetes, these cases remain a compelling example of personalized genetic medicine.
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Affiliation(s)
- Lisa R Letourneau
- Section of Adult and Pediatric Endocrinology, Diabetes and Metabolism, Kovler Diabetes Center, The University of Chicago, MC 1027/N235; 5841 S. Maryland Ave., Chicago, IL, 60637, USA
| | - Siri Atma W Greeley
- Section of Adult and Pediatric Endocrinology, Diabetes and Metabolism, Kovler Diabetes Center, The University of Chicago, MC 1027/N235; 5841 S. Maryland Ave., Chicago, IL, 60637, USA.
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12
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Yorifuji T, Higuchi S, Hosokawa Y, Kawakita R. Chromosome 6q24-related diabetes mellitus. Clin Pediatr Endocrinol 2018; 27:59-65. [PMID: 29662264 PMCID: PMC5897580 DOI: 10.1297/cpe.27.59] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 01/18/2018] [Indexed: 12/31/2022] Open
Abstract
Chromosome 6q24-related diabetes mellitus is the most common cause of transient neonatal diabetes (TNDM), accounting for approximately two-thirds of all TNDM cases. Patients with 6q24-TNDM develop insulin-requiring diabetes soon after birth, followed by the gradual improvement and eventual remission of the disorder by 18 mo of age. The most important clinical feature of affected patients is a small-for-gestational age (SGA) birth weight, which reflects the lack of insulin in utero. It is believed that 6q24-TNDM is caused by the overexpression of the paternal allele of the imprinted locus in chromosome 6q24, which contains only two expressed genes, PLAGL1 and HYMAI. Identified mechanisms include: (1) duplication of the paternal allele, (2) paternal uniparental disomy, and (3) hypomethylation of the maternal allele. Many patients with TNDM relapse after puberty. Relapsed 6q24-related diabetes is no longer transient and typically occurs in non-obese patients who are autoantibody negative. Thus, these patients possess features indistinguishable from those of maturity-onset diabetes of the young (MODY). Conversely, it has been shown that not all patients with 6q24-related diabetes have a history of TNDM. 6q24-related diabetes should therefore be considered as one of the differential diagnoses for patients with MODY-like diabetes, especially when they are SGA at birth.
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Affiliation(s)
- Tohru Yorifuji
- Division of Pediatric Endocrinology and Metabolism, Children's Medical Center, Osaka City General Hospital, Osaka, Japan.,Department of Genetic Medicine, Osaka City General Hospital, Osaka, Japan.,Clinical Research Center, Osaka City General Hospital, Osaka, Japan
| | - Shinji Higuchi
- Division of Pediatric Endocrinology and Metabolism, Children's Medical Center, Osaka City General Hospital, Osaka, Japan
| | - Yuki Hosokawa
- Division of Pediatric Endocrinology and Metabolism, Children's Medical Center, Osaka City General Hospital, Osaka, Japan
| | - Rie Kawakita
- Division of Pediatric Endocrinology and Metabolism, Children's Medical Center, Osaka City General Hospital, Osaka, Japan.,Department of Genetic Medicine, Osaka City General Hospital, Osaka, Japan
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13
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Letourneau LR, Greeley SAW. Congenital forms of diabetes: the beta-cell and beyond. Curr Opin Genet Dev 2018; 50:25-34. [PMID: 29454299 DOI: 10.1016/j.gde.2018.01.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 01/23/2018] [Accepted: 01/25/2018] [Indexed: 12/11/2022]
Abstract
The majority of patients diagnosed with diabetes less than 6 months of age, and many cases diagnosed between 6 and 12 months of age, have a gene mutation that causes permanent or transient hyperglycemia. Recent research advances have allowed for the discovery of new causes of congenital diabetes, including genes involved in pancreatic development (GATA4, NKX2-2, MNX1) and monogenic causes of autoimmune dysregulation (STAT3, LRBA). Ongoing follow-up of patients with KCNJ11 and ABCC8 mutations has supported the safety and efficacy of sulfonylureas, as well as the use of insulin pumps and continuous glucose monitors in infants with insulin-requiring forms of monogenic diabetes. Future studies are needed to improve clinical care and outcomes for these patients and their families.
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Affiliation(s)
- Lisa R Letourneau
- Department of Medicine, Section of Adult and Pediatric Endocrinology, Diabetes and Metabolism, University of Chicago Medicine, 5841 S. Maryland Ave. MC 1027, Chicago, IL 60637, USA
| | - Siri Atma W Greeley
- Department of Medicine, Section of Adult and Pediatric Endocrinology, Diabetes and Metabolism, University of Chicago Medicine, 5841 S. Maryland Ave. MC 1027, Chicago, IL 60637, USA; Department of Pediatrics, Section of Adult and Pediatric Endocrinology, Diabetes and Metabolism, University of Chicago Medicine, 5841 S. Maryland Ave. MC 1027, Chicago, IL 60637, USA.
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14
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Cao BY, Gong CX, Wu D, Li XQ. Permanent neonatal diabetes caused by abnormalities in chromosome 6q24. Diabet Med 2017; 34:1800-1804. [PMID: 29048742 DOI: 10.1111/dme.13530] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/16/2017] [Indexed: 01/27/2023]
Abstract
BACKGROUND Methylation defects at chromosome 6q24 usually induce transient neonatal diabetes mellitus. There are few reports of permanent neonatal diabetes mellitus caused by abnormalities of 6q24. We report the first case of permanent neonatal diabetes mellitus to be associated with confirmed methylation defects at chromosome 6q24. CASE REPORT A baby girl, small for her gestational age, was found to have high blood glucose 1 day after birth, with no systematic congenital anomalies. She showed no remission of diabetes and has hitherto been reliant on insulin (now aged of 5.5 years), which supports a diagnosis of permanent neonatal diabetes mellitus. The single nucleotide polymorphism array and highly polymorphic short tandem repeat analysis identified paternal uniparental disomy of chromosome 6, and a genome-wide analysis ruled out mutations in coding and non-coding regions. CONCLUSION This report expands the varieties of neonatal diabetes known to be induced by methylation defects at chromosome 6q24, and suggests that the diagnostic evaluation of permanent neonatal diabetes mellitus should be expanded to include testing for 6q24.
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Affiliation(s)
- B Y Cao
- Department of Endocrinology, Genetics and Metabolism, National Center for Children's Health, China, Beijing Children's Hospital, Capital Medical University, Beijing, China
| | - C X Gong
- Department of Endocrinology, Genetics and Metabolism, National Center for Children's Health, China, Beijing Children's Hospital, Capital Medical University, Beijing, China
| | - D Wu
- Department of Endocrinology, Genetics and Metabolism, National Center for Children's Health, China, Beijing Children's Hospital, Capital Medical University, Beijing, China
| | - X Q Li
- Department of Endocrinology, Genetics and Metabolism, National Center for Children's Health, China, Beijing Children's Hospital, Capital Medical University, Beijing, China
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15
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Okuno M, Yorifuji T, Kagami M, Ayabe T, Urakami T, Kawamura T, Kikuchi N, Yokota I, Kikuchi T, Amemiya S, Suzuki J, Ogata T, Sugihara S, Fukami M. Chromosome 6q24 methylation defects are uncommon in childhood-onset non-autoimmune diabetes mellitus patients born appropriate- or large-for-gestational age. Clin Pediatr Endocrinol 2016; 25:99-102. [PMID: 27507910 PMCID: PMC4965509 DOI: 10.1297/cpe.25.99] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Accepted: 03/08/2016] [Indexed: 11/06/2022] Open
Affiliation(s)
- Misako Okuno
- Departments of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan; Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo, Japan
| | - Tohru Yorifuji
- Department of Pediatric Endocrinology and Metabolism, Children's Medical Center, Osaka City General Hospital, Osaka, Japan
| | - Masayo Kagami
- Departments of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Tadayuki Ayabe
- Departments of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Tatsuhiko Urakami
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo, Japan
| | | | - Nobuyuki Kikuchi
- Department of Pediatrics, Yokohama City Minato Red Cross Hospital, Kanagawa, Japan
| | - Ichiro Yokota
- Department of Pediatrics, Division of Pediatric Endocrinology and Metabolism, Shikoku Medical Center for Children and Adults, Kagawa, Japan
| | - Toru Kikuchi
- Department of Pediatrics, Saitama Medical University, Saitama, Japan
| | - Shin Amemiya
- Department of Pediatrics, Saitama Medical University, Saitama, Japan
| | - Junichi Suzuki
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo, Japan
| | - Tsutomu Ogata
- Departments of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan; Department of Pediatrics, Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Shigetaka Sugihara
- Department of Pediatrics, Tokyo Women's Medical University Medical Center East, Tokyo, Japan
| | - Maki Fukami
- Departments of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan
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