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Kaylan KB, Philipson LH. Werner Syndrome and Diabetes: Opportunities for Precision Medicine. Diabetes Care 2024; 47:785-786. [PMID: 38640412 DOI: 10.2337/dci24-0005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/21/2024]
Affiliation(s)
- Kerim B Kaylan
- Department of Medicine, The University of Chicago, Chicago, IL
| | - Louis H Philipson
- Department of Medicine, The University of Chicago, Chicago, IL
- Kovler Diabetes Center, The University of Chicago, Chicago, IL
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Hoff FW, Xing C, Simha V, Agarwal AK, Zhang X, Lekkala L, Vaishnav MS, Vuitch F, Garg A. Early-onset diabetes mellitus as a presenting feature of Werner's syndrome in an Indian family. Mol Genet Genomic Med 2024; 12:e2299. [PMID: 37815015 PMCID: PMC10767583 DOI: 10.1002/mgg3.2299] [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: 06/07/2023] [Revised: 09/20/2023] [Accepted: 09/29/2023] [Indexed: 10/11/2023] Open
Abstract
BACKGROUND Diabetes mellitus (DM) in children and adolescents is typically caused by type 1 DM, followed by type 2 DM and maturity-onset diabetes of the young (MODY). We report an unusual Asian Indian family in which three members presented with DM at ages 15, 20, and 30, but not fitting the typical clinical picture of type 1 DM, type 2 DM, or MODY. The primary objective was to elucidate the molecular genetic basis of DM in this family. METHODS The proband, a 22-year-old man, had short stature, gray hair, osteoporosis, and markedly reduced subcutaneous fat on the body, especially on the extremities along with acanthosis nigricans, and developed myxoid malignant peripheral nerve sheath tumor. Detailed family history revealed multiple loops of consanguinity. The proband underwent whole-genome sequencing, and seven relatives underwent whole-exome sequencing. RESULTS The proband and three additional family members were found to have the homozygous c.561A>G nucleotide variant of WRN RecQ-like helicase (WRN) gene consistent with the diagnosis of Werner's syndrome. The c.561A>G variant induces a new splicing site on exon 6 resulting in a truncated WRN protein, p.Lys187Trpfs*13. CONCLUSION Our report brings to attention the onset of DM during childhood or early adulthood in patients with Werner's syndrome who typically develop type 2 DM around the age of 30-40 years. Presence of consanguinity among parents, dysmorphic features, and malignancy should prompt consideration of diagnosis of Werner's syndrome.
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Affiliation(s)
- Fieke W. Hoff
- Department of Internal MedicineUniversity of Texas Southwestern Medical CenterDallasTexasUSA
| | - Chao Xing
- McDermott Center for Human Growth and DevelopmentUniversity of Texas Southwestern Medical CenterDallasTexasUSA
| | - Vinaya Simha
- Division of EndocrinologyMayo ClinicRochesterMinnesotaUSA
| | - Anil K. Agarwal
- Section of Nutrition and Metabolic Diseases, Division of Endocrinology, Department of Internal Medicine and the Center for Human NutritionUniversity of Texas Southwestern Medical CenterTexasDallasUSA
| | - Xunzhi Zhang
- McDermott Center for Human Growth and DevelopmentUniversity of Texas Southwestern Medical CenterDallasTexasUSA
| | - Leena Lekkala
- Samatvam Endocrinology Diabetes Center, Jnana Sanjeevini Diabetes Hospital and Medical CenterBengaluruIndia
| | - Madhumati S. Vaishnav
- Samatvam Endocrinology Diabetes Center, Jnana Sanjeevini Diabetes Hospital and Medical CenterBengaluruIndia
- Center for Nano Science and Engineering, Indian Institute of ScienceBengaluruIndia
| | - Frank Vuitch
- Department of PathologyUniversity of Texas Southwestern Medical CenterDallasTexasUSA
| | - Abhimanyu Garg
- Section of Nutrition and Metabolic Diseases, Division of Endocrinology, Department of Internal Medicine and the Center for Human NutritionUniversity of Texas Southwestern Medical CenterTexasDallasUSA
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Adeva-Andany MM, Domínguez-Montero A, Adeva-Contreras L, Fernández-Fernández C, Carneiro-Freire N, González-Lucán M. Body Fat Distribution Contributes to Defining the Relationship between Insulin Resistance and Obesity in Human Diseases. Curr Diabetes Rev 2024; 20:e160823219824. [PMID: 37587805 DOI: 10.2174/1573399820666230816111624] [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: 01/12/2023] [Revised: 04/28/2023] [Accepted: 05/31/2023] [Indexed: 08/18/2023]
Abstract
The risk for metabolic and cardiovascular complications of obesity is defined by body fat distribution rather than global adiposity. Unlike subcutaneous fat, visceral fat (including hepatic steatosis) reflects insulin resistance and predicts type 2 diabetes and cardiovascular disease. In humans, available evidence indicates that the ability to store triglycerides in the subcutaneous adipose tissue reflects enhanced insulin sensitivity. Prospective studies document an association between larger subcutaneous fat mass at baseline and reduced incidence of impaired glucose tolerance. Case-control studies reveal an association between genetic predisposition to insulin resistance and a lower amount of subcutaneous adipose tissue. Human peroxisome proliferator-activated receptorgamma (PPAR-γ) promotes subcutaneous adipocyte differentiation and subcutaneous fat deposition, improving insulin resistance and reducing visceral fat. Thiazolidinediones reproduce the effects of PPAR-γ activation and therefore increase the amount of subcutaneous fat while enhancing insulin sensitivity and reducing visceral fat. Partial or virtually complete lack of adipose tissue (lipodystrophy) is associated with insulin resistance and its clinical manifestations, including essential hypertension, hypertriglyceridemia, reduced HDL-c, type 2 diabetes, cardiovascular disease, and kidney disease. Patients with Prader Willi syndrome manifest severe subcutaneous obesity without insulin resistance. The impaired ability to accumulate fat in the subcutaneous adipose tissue may be due to deficient triglyceride synthesis, inadequate formation of lipid droplets, or defective adipocyte differentiation. Lean and obese humans develop insulin resistance when the capacity to store fat in the subcutaneous adipose tissue is exhausted and deposition of triglycerides is no longer attainable at that location. Existing adipocytes become large and reflect the presence of insulin resistance.
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Affiliation(s)
- María M Adeva-Andany
- Nephrology Division, Department of Internal Medicine, Hospital General Juan Cardona, c/ Pardo Bazán s/n, 15406 Ferrol, Spain
| | - Alberto Domínguez-Montero
- Nephrology Division, Department of Internal Medicine, Hospital General Juan Cardona, c/ Pardo Bazán s/n, 15406 Ferrol, Spain
| | | | - Carlos Fernández-Fernández
- Nephrology Division, Department of Internal Medicine, Hospital General Juan Cardona, c/ Pardo Bazán s/n, 15406 Ferrol, Spain
| | - Natalia Carneiro-Freire
- Nephrology Division, Department of Internal Medicine, Hospital General Juan Cardona, c/ Pardo Bazán s/n, 15406 Ferrol, Spain
| | - Manuel González-Lucán
- Nephrology Division, Department of Internal Medicine, Hospital General Juan Cardona, c/ Pardo Bazán s/n, 15406 Ferrol, Spain
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Tsujimoto Y, Bando H. Flame-like Calcifications in Werner Syndrome. JCEM CASE REPORTS 2023; 1:luad099. [PMID: 37908994 PMCID: PMC10580399 DOI: 10.1210/jcemcr/luad099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Indexed: 11/02/2023]
Affiliation(s)
- Yasutaka Tsujimoto
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Hospital, Kobe 650-0017, Japan
| | - Hironori Bando
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Hospital, Kobe 650-0017, Japan
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Vagher J, Gammon A, Kohlmann W, Jeter J. Non-Melanoma Skin Cancers and Other Cutaneous Manifestations in Bone Marrow Failure Syndromes and Rare DNA Repair Disorders. Front Oncol 2022; 12:837059. [PMID: 35359366 PMCID: PMC8960432 DOI: 10.3389/fonc.2022.837059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 02/17/2022] [Indexed: 11/17/2022] Open
Abstract
Although most non-melanoma skin cancers are felt to be sporadic in origin, these tumors do play a role in several cancer predisposition syndromes. The manifestations of skin cancers in these hereditary populations can include diagnosis at extremely early ages and/or multiple primary cancers, as well as tumors at less common sites. Awareness of baseline skin cancer risks for these individuals is important, particularly in the setting of treatments that may compromise the immune system and further increase risk of cutaneous malignancies. Additionally, diagnosis of these disorders and management of non-cutaneous manifestations of these diseases have profound implications for both the patient and their family. This review highlights the current literature on the diagnosis, features, and non-melanoma skin cancer risks associated with lesser-known cancer predisposition syndromes, including bone marrow failure disorders, genomic instability disorders, and base excision repair disorders.
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Affiliation(s)
- Jennie Vagher
- Family Cancer Assessment Clinic, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT, United States
| | - Amanda Gammon
- Family Cancer Assessment Clinic, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT, United States
| | - Wendy Kohlmann
- Family Cancer Assessment Clinic, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT, United States
| | - Joanne Jeter
- Family Cancer Assessment Clinic, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT, United States
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Wang X, Liu S, Qin F, Liu Q, Wang Q. Werner syndrome presenting as early-onset diabetes: A case report. J Diabetes Investig 2022; 13:592-598. [PMID: 34564935 PMCID: PMC8902380 DOI: 10.1111/jdi.13682] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/19/2021] [Accepted: 09/23/2021] [Indexed: 11/26/2022] Open
Abstract
Werner syndrome is a rare autosomal recessive premature progeroid syndrome caused by mutations in the WRN gene. It is characterized by early onset of age-related diseases, such as cataracts, atherosclerosis, diabetes mellitus, osteoporosis and malignancies, in which diabetes often onset in patients' 30-40s. Herein, we report a Chinese patient with Werner syndrome with uncommon early-onset diabetes at 18 years-of-age, who had low body mass index, insulin resistance, negative antibodies of diabetes and early onset of cataracts. Genome sequencing and reverse transcription polymerase chain reaction confirm the diagnosis. A novel heterozygous splice-site mutation in the WRN gene (c.1270-2A>T) was identified. The present case reminds clinicians that when young diabetes patients are encountered, if they are accompanied by premature aging, attention should be paid to identifying the possibility of Werner syndrome based on diagnostic criteria.
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Affiliation(s)
- Xiaoli Wang
- Department of Endocrinology and MetabolismInstitute of EndocrinologyNHC Key Laboratory of Diagnosis and Treatment of Thyroid DiseasesThe First Affiliated Hospital of China Medical UniversityShenyangChina
| | - Siruo Liu
- Department of EndocrinologyGeneral Hospital of Northern Theater Command of Chinese People's Liberation ArmyShenyangChina
| | - Fengye Qin
- Department of Endocrinology and MetabolismInstitute of EndocrinologyNHC Key Laboratory of Diagnosis and Treatment of Thyroid DiseasesThe First Affiliated Hospital of China Medical UniversityShenyangChina
| | - Qian Liu
- Department of Endocrinology and MetabolismInstitute of EndocrinologyNHC Key Laboratory of Diagnosis and Treatment of Thyroid DiseasesThe First Affiliated Hospital of China Medical UniversityShenyangChina
| | - Qiuyue Wang
- Department of Endocrinology and MetabolismInstitute of EndocrinologyNHC Key Laboratory of Diagnosis and Treatment of Thyroid DiseasesThe First Affiliated Hospital of China Medical UniversityShenyangChina
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Peng H, Wang J, Liu Y, Yang H, Li L, Ma Y, Zhuo H, Jiang H. Case Report: A novel WRN mutation in Werner syndrome patient with diabetic foot disease and myelodysplastic syndrome. Front Endocrinol (Lausanne) 2022; 13:918979. [PMID: 35909544 PMCID: PMC9334726 DOI: 10.3389/fendo.2022.918979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 06/27/2022] [Indexed: 11/25/2022] Open
Abstract
Werner syndrome is an autosomal recessive rare disease caused by a WRN gene mutation, which is rarely reported in the Chinese population. We report the clinical and genetic data of a Chinese patient with Werner syndrome. The proband was a 40-year-old male patient who presented with diabetic foot ulcers, accompanied by short stature, cataracts, hypogonadism, and hair thinning, and myelodysplastic syndrome (MDS) occurred after 18 months. Genetic sequencing showed there were compound heterozygous mutations as c.3384-1G>C and c.3744dupA in the WRN gene. The c.3744dupA mutation is a novel pathogenic variation for Werner syndrome.
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Affiliation(s)
- Huifang Peng
- Endocrine and Metabolic Disease Center, Medical Key Laboratory of Hereditary Rare Diseases of Henan, Luoyang Sub-Center of National Clinical Research Center for Metabolic Diseases, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Jie Wang
- Endocrine and Metabolic Disease Center, Medical Key Laboratory of Hereditary Rare Diseases of Henan, Luoyang Sub-Center of National Clinical Research Center for Metabolic Diseases, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Yanyun Liu
- Endocrine and Metabolic Disease Center, Medical Key Laboratory of Hereditary Rare Diseases of Henan, Luoyang Sub-Center of National Clinical Research Center for Metabolic Diseases, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Haiping Yang
- Department of Hematology, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Liping Li
- Endocrine and Metabolic Disease Center, Medical Key Laboratory of Hereditary Rare Diseases of Henan, Luoyang Sub-Center of National Clinical Research Center for Metabolic Diseases, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Yujin Ma
- Endocrine and Metabolic Disease Center, Medical Key Laboratory of Hereditary Rare Diseases of Henan, Luoyang Sub-Center of National Clinical Research Center for Metabolic Diseases, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Huiqin Zhuo
- Department of Gastrointestinal Surgery, Zhongshan Hospital of Xiamen University, Xiamen, China
- *Correspondence: Hongwei Jiang, ; Huiqin Zhuo,
| | - Hongwei Jiang
- Endocrine and Metabolic Disease Center, Medical Key Laboratory of Hereditary Rare Diseases of Henan, Luoyang Sub-Center of National Clinical Research Center for Metabolic Diseases, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
- *Correspondence: Hongwei Jiang, ; Huiqin Zhuo,
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Kato H, Maezawa Y. Atherosclerosis and Cardiovascular Diseases in Progeroid Syndromes. J Atheroscler Thromb 2021; 29:439-447. [PMID: 34511576 PMCID: PMC9100459 DOI: 10.5551/jat.rv17061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Hutchinson–Gilford progeria syndrome (HGPS) and Werner syndrome (WS) are two of the representative genetic progeroid syndromes and have been widely studied in the field of aging research. HGPS is a pediatric disease in which premature aging symptoms appear in early childhood, and death occurs at an average age of 14.5 years, mainly due to cardiovascular disease (CVD). Conversely, WS patients exhibit accelerated aging phenotypes after puberty and die in their 50s due to CVD and malignant tumors. Both diseases are models of human aging, leading to a better understanding of the aging-associated development of CVD. In this review, we discuss the pathogenesis and treatment of atherosclerotic diseases presented by both progeroid syndromes with the latest findings.
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Affiliation(s)
- Hisaya Kato
- Department of Endocrinology, Hematology and Gerontology, Chiba University Graduate School of Medicine.,Division of Diabetes, Metabolism and Endocrinology, Chiba University Hospital
| | - Yoshiro Maezawa
- Department of Endocrinology, Hematology and Gerontology, Chiba University Graduate School of Medicine.,Division of Diabetes, Metabolism and Endocrinology, Chiba University Hospital
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竹本 稔. [Clinical advances in Werner syndrome]. Nihon Ronen Igakkai Zasshi 2021; 58:396-401. [PMID: 34483165 DOI: 10.3143/geriatrics.58.396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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