1
|
Arslanoğlu I, Eröz R, Yavuzyılmaz F, Doğan M, Bolu S, Karaca S. VARIATIONS IN MONOGENIC DIABETES AND DIABETES SUSCEPTIBILITY GENES IN PEDIATRIC CASES: SINGLE CENTER EXPERIENCE. ACTA ENDOCRINOLOGICA (BUCHAREST, ROMANIA : 2005) 2023; 19:512-522. [PMID: 38933241 PMCID: PMC11197833 DOI: 10.4183/aeb.2023.512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
Context Diabetes is a chronic disorder with a complex pathogenetic background including monogenic, polygenic, and environmental causes. Objective The aim of the present paper is to share the information related to genetic and clinical data of large pediatric diabetes cohort. Design The present study retrospectively analyzes genetic and clinical findings of subjects diagnosed with diabetes under the age of 18 year and are in follow-up in a pediatric diabetes referral center. Subjects and Methods Out of 1205 children with diabetes (902 treated with insulin) 246 underwent genetic tests on the basis of clinical selection criteria since 2007. Results One hundred and ten variants related to diabetes were found in 89 of them. Age at presentation was 9.5±4.02 years (F/M 44/45). In total 49 pathogenic and likely pathogenic, 11 "hot and warm" of unknown significance variants were found in fourteen MODY and fifteen non-MODY genes according to criteria developed by American College of Medical Genetics. Thirty novel mutations were found. GCK (26.6%) and ABCC8 (10%) were two most frequently affected genes. Antibody testing revealed negative results in 80% of cases. Conclusions Genetic interpretation in selected cases is important to understand the nature of the disease better. Improvement in testing opportunity and awareness might increase the prevalence of genetically explained diabetes cases. The distribution of subtypes differs between countries and even regions of the same country.
Collapse
Affiliation(s)
- I. Arslanoğlu
- Duzce University Medical School - Department of Pediatric Endocrinology, Duzce
| | - R. Eröz
- Aksaray University, Faculty of Medicine, Department of Medical Genetics, Aksaray
| | - F. Yavuzyılmaz
- Duzce University Medical School - Department of Pediatric Endocrinology, Duzce
| | - M. Doğan
- Ministry of Health Başakşehir State Hospital - Department of Medical Genetics, Istanbul, Başakşehir
| | - S. Bolu
- Bolu Abant İzzet Baysal University Gölköy Campus - Pediatric Endocrinology, Bolu
| | - S. Karaca
- Ankara University, Faculty of Medicine - Department of Pediatric Endocrinology, Ankara, Turkey
| |
Collapse
|
2
|
Mir R, Elfaki I, Elangeeb ME, Moawadh MS, Tayeb FJ, Barnawi J, Albalawi IA, Alharbi AA, Alhelali MH, Alsaedi BSO. Comprehensive Molecular Evaluation of HNF-1 Alpha, miR-27a, and miR-146 Gene Variants and Their Link with Predisposition and Progression in Type 2 Diabetes Patients. J Pers Med 2023; 13:1270. [PMID: 37623520 PMCID: PMC10455578 DOI: 10.3390/jpm13081270] [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: 07/12/2023] [Revised: 08/07/2023] [Accepted: 08/11/2023] [Indexed: 08/26/2023] Open
Abstract
BACKGROUND Type 2 diabetes (T2D) is a metabolic condition induced by insulin resistance and pancreatic beta cell dysfunction. MicroRNAs (miRNAs) have biological significance because they regulate processes such as the molecular signaling pathways involved in the pathophysiology of diabetes mellitus. The hepatocyte nuclear factor-1 alpha (HNF-1 alpha) is a transcription factor found in hepatocytes and the pancreas. Mutations in the HNF-1 alpha gene were reportedly associated with maturity-onset diabetes of the young (MODY). The objective of the present study was to examine the associations between MiR-27a, MiR-146, and HNF-1 alpha single-nucleotide variations (SNVs) with T2D risk in the Saudi population. METHODOLOGY We evaluated the association of SNVs of miR-27a rs895819 A>G, 146a-rs2910164 C>G, and HNF-1 alpha rs1169288 G>T (I27L) with the risk of T2D in Saudi patients with the Amplification Refractory Mutation System PCR (ARMS-PCR). For the miR-27a SNVs, we used 115 cases (82 males, 33 females) and 117 matched healthy controls (HCs); for the Mir-146 SNVs, we used 103 cases (70 males, 33 females) and 108 matched HCs; and for the HNF-1 alpha, we employed 110 patients (80 males, 30 females) and 110 HCs. The blood biochemistry of the participants was essayed using commercial kits, and the methods of statistical analysis used were the Chi-square test, the Fisher exact test, and a multivariate analysis based on logistic regression, like the odds ratio (OD) and risk ratio (RR), with 95% confidence intervals (CIs). RESULTS The MiR-27a rs895819 AG genotype was linked to increased T2D susceptibility, with OR = 2.01 and p-value = 0.011, and the miR-146 rs2910164 CG genotype and C allele were linked to an elevated risk of T2D, with OR = 2.75, p-value < 0.0016, OR = 1.77, and p-value = 0.004. The results also showed that the GT genotype and T allele of the HNF-1 alpha (rs1169288) G>T is linked to T2D, with OR = 2.18, p-value = 0.0061, and 1.77, p-value = 0.0059. CONCLUSIONS The SNVs in miR-27a, miR-146, and HNF-1 alpha can be potential loci for T2D risk. The limitations of this study include the relatively small sample size and the fact that it was a cross-sectional study. To our knowledge, this is the first study to highlight the association between miR-27a, miR-146, and HNF-1 alpha SNVs and the risk of T2D in the Saudi population. Future large-scale case-control studies, as well as studies on the functions of the proteins and protein interaction studies for HNF-1 alpha, are required to verify our findings. Furthermore, these findings can be used for the identification and stratification of at-risk populations via genetic testing for T2D-prevention strategies.
Collapse
Affiliation(s)
- Rashid Mir
- Department of Medical Lab Technology, Prince Fahad Bin Sultan Chair for Biomedical Research, Faculty of Applied Medical Sciences, University of Tabuk, Tabuk 71491, Saudi Arabia; (M.S.M.); (F.J.T.); (J.B.)
| | - Imadeldin Elfaki
- Department of Biochemistry, Faculty of Science, University of Tabuk, Tabuk 47512, Saudi Arabia;
| | - M. E. Elangeeb
- Department of Basic Medical Sciences, Faculty of Applied Medical Sciences, University of Bisha, Bisha 67714, Saudia Arabia;
| | - Mamdoh S. Moawadh
- Department of Medical Lab Technology, Prince Fahad Bin Sultan Chair for Biomedical Research, Faculty of Applied Medical Sciences, University of Tabuk, Tabuk 71491, Saudi Arabia; (M.S.M.); (F.J.T.); (J.B.)
| | - Faris Jamal Tayeb
- Department of Medical Lab Technology, Prince Fahad Bin Sultan Chair for Biomedical Research, Faculty of Applied Medical Sciences, University of Tabuk, Tabuk 71491, Saudi Arabia; (M.S.M.); (F.J.T.); (J.B.)
| | - Jameel Barnawi
- Department of Medical Lab Technology, Prince Fahad Bin Sultan Chair for Biomedical Research, Faculty of Applied Medical Sciences, University of Tabuk, Tabuk 71491, Saudi Arabia; (M.S.M.); (F.J.T.); (J.B.)
| | | | - Amnah A. Alharbi
- Department of Biochemistry, Faculty of Science, University of Tabuk, Tabuk 47512, Saudi Arabia;
| | - Marwan H. Alhelali
- Department of Statistics, University of Tabuk, Tabuk 47512, Saudi Arabia; (M.H.A.); (B.S.O.A.)
| | - Basim S. O. Alsaedi
- Department of Statistics, University of Tabuk, Tabuk 47512, Saudi Arabia; (M.H.A.); (B.S.O.A.)
| |
Collapse
|
3
|
Wang M, Shu H, Xie J, Huang Y, Wang K, Feng R, Yu X, Guan J, Feng W, Liu M. An intron mutation of HNF1A causes abnormal splicing and impairs its activity as a transcription factor. Mol Cell Endocrinol 2022; 545:111575. [PMID: 35081418 DOI: 10.1016/j.mce.2022.111575] [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: 07/06/2021] [Revised: 01/19/2022] [Accepted: 01/20/2022] [Indexed: 11/21/2022]
Abstract
Mutations in HNF1A are associated with Maturity Onset Diabetes of the Young type 3 (MODY3) and most of them are in the coding region. Herein, we identified an intron mutation at the 6th nucleotide upstream of the end of intron 7 of HNF1A, named IVS7-6G > A, in a patient with early-onset diabetes. The "minigene" assay showed that IVS7-6G > A produced two aberrant mRNA variants translating into two truncated proteins: L502S fs* and G437A fs*, both affecting HNF1A transactivation domain (TAD). To determine functional consequences of IVS7-6G > A mutation, we made plasmids encoding truncated HNF1A containing different portions of HNF1A TAD and found that the TAD of HNF1A is important not only for its regulatory activities, but also for its nuclearization, and the residues 282-501 was more essential than 502-631. Our data suggested IVS7-6G > A impaired HNF1A splicing and may contribute to the pathogenesis of MODY3.
Collapse
Affiliation(s)
- Min Wang
- Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China.
| | - Hua Shu
- Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China.
| | - Jing Xie
- Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China.
| | - Yadi Huang
- Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China.
| | - Kunling Wang
- Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China.
| | - Renrui Feng
- Division of Laboratory Animal, Tianjin Institute of Medical and Pharmaceutical Sciences, 79 Duolun Road, Heping District, Tianjin, 300020, China.
| | - Xiaomeng Yu
- Division of Laboratory Animal, Tianjin Institute of Medical and Pharmaceutical Sciences, 79 Duolun Road, Heping District, Tianjin, 300020, China.
| | - Jun Guan
- Department of Technique, RSR TJ Biotech Co., Ltd, J-312, 6 Haitai Development Road, Haitai Green Area, Huayuan Industrial Park, Binhai Hi-tech Zone, Tianjin, 300384, China.
| | - Wenli Feng
- Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China.
| | - Ming Liu
- Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China.
| |
Collapse
|
4
|
Maturity-onset diabetes of the young (MODY)-related genetic variants in a Turkish patient cohort with early-onset diabetes: a cross-sectional study. Int J Diabetes Dev Ctries 2022. [DOI: 10.1007/s13410-022-01052-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
|
5
|
Üstay Ö, Apaydın T, Elbasan O, Polat H, Günhan G, Dinçer C, Şeker L, Ateş EA, Yabacı A, Güney Aİ, Yavuz DG. When do we need to suspect maturity onset diabetes of the young in patients with type 2 diabetes mellitus? ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2022; 66:32-39. [PMID: 35029855 PMCID: PMC9991031 DOI: 10.20945/2359-3997000000431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE Maturity onset diabetes of the young (MODY) patients have clinical heterogeneity as shown by many studies. Thus, often it is misdiagnosed to type 1 or type 2 diabetes(T2DM). The aim of this study is to evaluate MODY mutations in adult T2DM patients suspicious in terms of MODY, and to show clinical and laboratory differences between these two situations. METHODS In this study, we analyzed 72 type 2 diabetic patients and their relatives (35F/37M) who had been suspected for MODY and referred to genetic department for mutation analysis. The gene mutations for MODY have been assessed in the laboratory of Marmara University genetics. Totally 67 (32F/35M; median age 36.1) diabetic patients were analyzed for 7 MODY mutations. Twelve patients who have uncertain mutation (VUS) were excluded from study for further evaluation. MODY(+) (n:30) patients and T2DM patients (n:25) were compared for clinical and laboratory parameters. RESULTS In MODY(+) subjects, mutations in GCK (MODY 2) (n:12; 40%) were the most common followed by HNF4A (MODY 1) (n:4; 13.3%). Diabetes diagnosis age was younger in MODY(+) group but not statistically significant. Sixty-six percent of MODY(+) subjects had diabetes history at 3-consecutive generations in their family compared with 28% of T2DM patients statistically significant (p:0.006). Gender, BMI, C-peptide, HbA1c, lipid parameters, creatinine, GFR, microalbuminuria, vitamin D and calcium were not statistically different between the groups. CONCLUSION According to present study results, MODY mutation positivity is most probable in young autoantibody (-) diabetic patients diagnosed before 30 years of age, who have first degree family history of diabetes.
Collapse
Affiliation(s)
- Özlem Üstay
- Marmara University School of Medicine, Endocrinology and Metabolism, Istanbul, Turkey,
| | - Tuğçe Apaydın
- Marmara University School of Medicine, Endocrinology and Metabolism, Istanbul, Turkey
| | - Onur Elbasan
- Marmara University School of Medicine, Endocrinology and Metabolism, Istanbul, Turkey
| | - Hamza Polat
- Marmara University School of Medicine, Medical Genetics, Istanbul, Turkey
| | - Gizem Günhan
- Marmara University School of Medicine, Internal Medicine, Istanbul, Turkey
| | - Ceyda Dinçer
- Marmara University School of Medicine, Endocrinology and Metabolism, Istanbul, Turkey
| | - Lamia Şeker
- Marmara University School of Medicine, Internal Medicine, Istanbul, Turkey
| | - Esra Arslan Ateş
- Marmara University School of Medicine, Medical Genetics, Istanbul, Turkey
| | - Ayşegül Yabacı
- Bezmialem Vakif University School of Medicine, Department of Biostatistics, Istanbul, Turkey
| | - Ahmet İlter Güney
- Marmara University School of Medicine, Medical Genetics, Istanbul, Turkey
| | - Dilek Gogas Yavuz
- Marmara University School of Medicine, Endocrinology and Metabolism, Istanbul, Turkey
| |
Collapse
|
6
|
Jiang Y, Jiang F, Li M, Wu Q, Xu C, Zhang R, Song M, Wang Y, Wang Y, Chen Y, Zhang J, Ge X, Zhu Q, Zhuang L, Yang D, Lu M, Wang F, Jiang M, Liu X, Liu Y, Liu L. Identification and management of GCK-MODY complicating pregnancy in Chinese patients with gestational diabetes. Mol Cell Biochem 2022; 477:1629-1643. [PMID: 35229243 DOI: 10.1007/s11010-022-04374-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 01/27/2022] [Indexed: 10/19/2022]
Abstract
Precise differentiation of glucokinase (GCK) monogenic diabetes from gestational diabetes mellitus (GDM) is critical for accurate management of the pregnancy outcome. We screened GCK-MODY complicating pregnancies in Chinese GDM patients, explored the pathogenesis of novel GCK mutations, and evaluated the patients' pregnancy outcome and management. The GCK gene from 411 GDM patients was screened with PCR-direct sequencing and multiplex ligation-dependent probe amplification (MLPA) and 15 GCK mutations were identified. We also retrospectively analyzed a total of 65 pregnancies from 21 GCK-MODY families, wherein 41 were from 15 maternal families and 24 were from six paternal families. Bioinformatic analysis and biochemical functional study were conducted to identify novel GCK mutations. In total, we identified 21 GCK mutations: 15 from the 411 GDM patients and six from 24 fathers. Of th Asp78Asn (GAC → AAC), Met87Arg (ATG → AGG), Leu451Val (CTT → GTT), Leu451Pro (CTG → CCG) and 1019 + 20G > A e mutations, five, i.e., were novel and deleterious, with markedly decreased enzyme activity and thermal stability. The unaffected offspring of GCK mutation-affected mothers were heavier than affected offspring (p < 0.001). Of 21 insulin-treated affected mothers, 10 had maternal hypoglycemia (47.6%) and seven had perinatal complications (33.3%), and the affected offspring of the insulin-treated affected mothers had significantly lower birth weights than that of the 20 diet-control affected mothers (p = 0.031). In this study, the prevalence of GCK-MODY complicating pregnancy in Chinese GDM patients was 3.6% (15/411). The defective GCK may contribute to the hyperglycemia in GCK-MODY. Insulin therapy is not beneficial for GCK-MODY complicating pregnancy and therefore should not be recommended.
Collapse
Affiliation(s)
- Yanyan Jiang
- Shanghai Diabetes Institute, Department of Endocrinology & Metabolism, Shanghai Key Clinical Center for Metabolic Disease, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Fusong Jiang
- Shanghai Diabetes Institute, Department of Endocrinology & Metabolism, Shanghai Key Clinical Center for Metabolic Disease, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Ming Li
- Shanghai Diabetes Institute, Department of Endocrinology & Metabolism, Shanghai Key Clinical Center for Metabolic Disease, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Qingkai Wu
- Department of Obstetrics and Gynecology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, No.600 Yishan Road, Shanghai, 200233, China
| | - Chenming Xu
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Rong Zhang
- Shanghai Diabetes Institute, Department of Endocrinology & Metabolism, Shanghai Key Clinical Center for Metabolic Disease, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Mingqiang Song
- Department of Endocrinology, Weihai Municipal Hospital, No. 70, Heping Road, Weihai, 264200, China
| | - Yanzhong Wang
- School of Population Health and Environmental Science, King's College London, London, UK
| | - Ying Wang
- Department of Pediatrics, Los Angeles BioMedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, 90502, USA
| | - Yating Chen
- Shanghai Diabetes Institute, Department of Endocrinology & Metabolism, Shanghai Key Clinical Center for Metabolic Disease, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Juan Zhang
- Shanghai Diabetes Institute, Department of Endocrinology & Metabolism, Shanghai Key Clinical Center for Metabolic Disease, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
- School of Medicine, Huanghuai University, Zhumadian, 463000, Henan, China
| | - Xiaoxu Ge
- Department of Endocrinology, School of Medicine, Shanghai Tongren Hospital, Affiliated to Shanghai Jiao Tong University, Shanghai, China
| | - Qihan Zhu
- Department of Endocrinology, The first affiliated hospital of Wenzhou Medical University, The South of Shangcai Village, Nanbaixiang Town, Ouhai District, Wenzhou, 325000, Zhejiang, China
| | - Langen Zhuang
- Department of Endocrinology, the First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, 233004, China
| | - Di Yang
- Department of Nutritional Sciences and Toxicology, University of California at Berkeley, Berkeley, USA
| | - Ming Lu
- Department of Endocrinology & Metabolism, Putuo Hospital Attached to Shanghai University of Traditional Chinese Medicine, 164 Lanxi Road, Shanghai, 200000, China
| | - Feng Wang
- Department of Nephrology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Meisheng Jiang
- Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Xipeng Liu
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, 800 Dong-Chuan Road, Shanghai, 200240, China
| | - Yanjun Liu
- Department of Internal Medicine, Charles R. Drew University, Los Angeles, USA
- David Geffen School of Medicine at University of California, Los Angeles, USA
| | - Limei Liu
- Shanghai Diabetes Institute, Department of Endocrinology & Metabolism, Shanghai Key Clinical Center for Metabolic Disease, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China.
| |
Collapse
|
7
|
Haque E, Teeli AS, Winiarczyk D, Taguchi M, Sakuraba S, Kono H, Leszczyński P, Pierzchała M, Taniguchi H. HNF1A POU Domain Mutations Found in Japanese Liver Cancer Patients Cause Downregulation of HNF4A Promoter Activity with Possible Disruption in Transcription Networks. Genes (Basel) 2022; 13:genes13030413. [PMID: 35327967 PMCID: PMC8949677 DOI: 10.3390/genes13030413] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/18/2022] [Accepted: 02/19/2022] [Indexed: 11/25/2022] Open
Abstract
Hepatocyte nuclear factor 1A (HNF1A) is the master regulator of liver homeostasis and organogenesis and regulates many aspects of hepatocyte functions. It acts as a tumor suppressor in the liver, evidenced by the increased proliferation in HNF1A knockout (KO) hepatocytes. Hence, we postulated that any loss-of-function variation in the gene structure or composition (mutation) could trigger dysfunction, including disrupted transcriptional networks in liver cells. From the International Cancer Genome Consortium (ICGC) database of cancer genomes, we identified several HNF1A mutations located in the functional Pit-Oct-Unc (POU) domain. In our biochemical analysis, we found that the HNF1A POU-domain mutations Y122C, R229Q and V259F suppressed HNF4A promoter activity and disrupted the binding of HNF1A to its target HNF4A promoter without any effect on the nuclear localization. Our results suggest that the decreased transcriptional activity of HNF1A mutants is due to impaired DNA binding. Through structural simulation analysis, we found that a V259F mutation was likely to affect DNA interaction by inducing large conformational changes in the N-terminal region of HNF1A. The results suggest that POU-domain mutations of HNF1A downregulate HNF4A gene expression. Therefore, to mimic the HNF1A mutation phenotype in transcription networks, we performed siRNA-mediated knockdown (KD) of HNF4A. Through RNA-Seq data analysis for the HNF4A KD, we found 748 differentially expressed genes (DEGs), of which 311 genes were downregulated (e.g., HNF1A, ApoB and SOAT2) and 437 genes were upregulated. Kyoto Encyclopedia of Genes and Genomes (KEGG) mapping revealed that the DEGs were involved in several signaling pathways (e.g., lipid and cholesterol metabolic pathways). Protein–protein network analysis suggested that the downregulated genes were related to lipid and cholesterol metabolism pathways, which are implicated in hepatocellular carcinoma (HCC) development. Our study demonstrates that mutations of HNF1A in the POU domain result in the downregulation of HNF1A target genes, including HNF4A, and this may trigger HCC development through the disruption of HNF4A–HNF1A transcriptional networks.
Collapse
Affiliation(s)
- Effi Haque
- Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, 05-552 Jastrzebiec, Poland; (E.H.); (A.S.T.); (D.W.); (P.L.); (M.P.)
| | - Aamir Salam Teeli
- Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, 05-552 Jastrzebiec, Poland; (E.H.); (A.S.T.); (D.W.); (P.L.); (M.P.)
| | - Dawid Winiarczyk
- Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, 05-552 Jastrzebiec, Poland; (E.H.); (A.S.T.); (D.W.); (P.L.); (M.P.)
| | - Masahiko Taguchi
- Molecular Modeling and Simulation Group, National Institutes for Quantum Science and Technology, Kizugawa 619-0215, Japan; (M.T.); (S.S.); (H.K.)
| | - Shun Sakuraba
- Molecular Modeling and Simulation Group, National Institutes for Quantum Science and Technology, Kizugawa 619-0215, Japan; (M.T.); (S.S.); (H.K.)
| | - Hidetoshi Kono
- Molecular Modeling and Simulation Group, National Institutes for Quantum Science and Technology, Kizugawa 619-0215, Japan; (M.T.); (S.S.); (H.K.)
| | - Paweł Leszczyński
- Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, 05-552 Jastrzebiec, Poland; (E.H.); (A.S.T.); (D.W.); (P.L.); (M.P.)
| | - Mariusz Pierzchała
- Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, 05-552 Jastrzebiec, Poland; (E.H.); (A.S.T.); (D.W.); (P.L.); (M.P.)
| | - Hiroaki Taniguchi
- Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, 05-552 Jastrzebiec, Poland; (E.H.); (A.S.T.); (D.W.); (P.L.); (M.P.)
- Correspondence: ; Tel.: +48-22-736-70-95
| |
Collapse
|
8
|
Jales Neto LH, Hounkpe BW, Fernandes GH, Takayama L, Caparbo VF, Lopes NH, Pereira AC, Pereira RM. Transcriptomic analysis of elderly women with low muscle mass: association with immune system pathway. Aging (Albany NY) 2021; 13:20992-21008. [PMID: 34493690 PMCID: PMC8457609 DOI: 10.18632/aging.203505] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 08/24/2021] [Indexed: 06/13/2023]
Abstract
Despite the well-established association of gene expression deregulation with low muscle mass (LMM), the associated biological mechanisms remain unclear. Transcriptomic studies are capable to identify key mediators in complex diseases. We aimed to identify relevant mediators and biological mechanisms associated with age-related LMM. LMM-associated genes were detected by logistic regression using microarray data of 20 elderly women with LMM and 20 age and race-matched controls extracted from our SPAH Study (GSE152073). We performed weighted gene co-expression analysis (WGCNA) that correlated the identified gene modules with laboratorial characteristics. Gene enrichment analysis was performed and an LMM predictive model was constructed using Support Vector Machine (SVM). Overall, 821 discriminating transcripts clusters were identified (|beta coefficient| >1; p-value <0.01). From this list, 45 predictors of LMM were detected by SVM and validated with 0.7 of accuracy. Our results revealed that the well-described association of inflammation, immunity and metabolic alterations is also relevant at transcriptomic level. WGCNA highlighted a correlation of genes modules involved in immunity pathways with vitamin D level (R = 0.63, p = 0.004) and the Agatston score (R = 0.51, p = 0.02). Our study generated a predicted regulatory network and revealed significant metabolic pathways related to aging processes, showing key mediators that warrant further investigation.
Collapse
Affiliation(s)
- Levi H. Jales Neto
- Bone Metabolism Laboratory, Rheumatology Division Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Bidossessi W. Hounkpe
- Bone Metabolism Laboratory, Rheumatology Division Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Georgea H. Fernandes
- Bone Metabolism Laboratory, Rheumatology Division Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Liliam Takayama
- Bone Metabolism Laboratory, Rheumatology Division Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Valéria F. Caparbo
- Bone Metabolism Laboratory, Rheumatology Division Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Neuza H.M. Lopes
- Instituto do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Alexandre C. Pereira
- Laboratory of Genetics and Molecular Cardiology, Instituto do Coração (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Rosa M.R. Pereira
- Bone Metabolism Laboratory, Rheumatology Division Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| |
Collapse
|
9
|
Influence of IGF2BP2, HMG20A, and HNF1B genetic polymorphisms on the susceptibility to Type 2 diabetes mellitus in Chinese Han population. Biosci Rep 2021; 40:222767. [PMID: 32329795 PMCID: PMC7256674 DOI: 10.1042/bsr20193955] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 03/31/2020] [Accepted: 04/21/2020] [Indexed: 12/19/2022] Open
Abstract
Background: The present study aimed to investigate the roles of insulin related gene IGF2BP2, HMG20A, and HNF1B variants in the susceptibility of Type 2 diabetes mellitus (T2DM), and to identify their association with age, gender, BMI, and smoking and alcohol drinking behavior among the Han Chinese population. Methods: About 508 patients with T2DM and 503 healthy controls were enrolled. Rs11927381 and rs7640539 in IGF2BP2, rs7178572 in HMG20A, rs4430796, and rs11651052 in HNF1B were genotyped by using the Agena MassARRAY. Odds ratio (OR) and 95% confidence intervals (CI) were calculated by logistic regression. Results: We found that HMG20A rs7178572 (OR = 1.25, P = 0.015) and HNF1B rs11651052 (OR = 1.26, P = 0.019) increased the risk of T2DM. Rs7178572, rs4430796, and rs11651052 might be related to the higher T2DM susceptibility not only by itself but also by interacting with age, gender smoking, and alcohol drinking. Rs11927381 also conferred the higher T2DM susceptibility at age ≤ 59 years. Besides, rs7178572-AA (P = 0.032) genotype and rs11651052 GG (P = 0.018) genotype were related to higher glycated hemoglobin and insulin level, respectively. Conclusion: Specifically, we first found that rs11927381, rs7640539, and rs11651052 were associated with risk of T2DM among the Han Chinese population. We also provide evidence that age, gender, BMI, smoking, and drinking status have an interactive effect with these variants on T2DM susceptibility.
Collapse
|
10
|
Moalla M, Safi W, Babiker Mansour M, Hadj Kacem M, Mahfood M, Abid M, Kammoun T, Hachicha M, Mnif-Feki M, Hadj Kacem F, Hadj Kacem H. Tunisian Maturity-Onset Diabetes of the Young: A Short Review and a New Molecular and Clinical Investigation. Front Endocrinol (Lausanne) 2021; 12:684018. [PMID: 34393998 PMCID: PMC8358796 DOI: 10.3389/fendo.2021.684018] [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: 03/22/2021] [Accepted: 07/05/2021] [Indexed: 11/18/2022] Open
Abstract
INTRODUCTION/AIMS Maturity-Onset Diabetes of the Young (MODY) is a monogenic non-autoimmune diabetes with 14 different genetic forms. MODY-related mutations are rarely found in the Tunisian population. Here, we explored MODY related genes sequences among seventeen unrelated Tunisian probands qualifying the MODY clinical criteria. MATERIALS AND METHODS The GCK and HNF1A genes were systematically analyzed by direct sequencing in all probands. Then, clinical exome sequencing of 4,813 genes was performed on three unrelated patients. Among them, 130 genes have been reported to be involved in the regulation of glucose metabolism, β-cell development, differentiation and function. All identified variants were analyzed according to their frequencies in the GnomAD database and validated by direct sequencing. RESULTS We identified the previously reported GCK mutation (rs1085307455) in one patient. The clinical features of the MODY2 proband were similar to previous reports. In this study, we revealed rare and novel alterations in GCK (rs780806456) and ABCC8 (rs201499958) genes with uncertain significance. We also found two likely benign alterations in HNF1A (rs1800574) and KLF11 (rs35927125) genes with minor allele frequencies similar to those depicted in public databases. No pathogenic variants have been identified through clinical exome analysis. CONCLUSIONS The most appropriate patients were selected, following a strict clinical screening approach, for genetic testing. However, the known MODY1-13 genes could not explain most of the Tunisian MODY cases, suggesting the involvement of unidentified genes in the majority of Tunisian affected families.
Collapse
Affiliation(s)
- Mariam Moalla
- Laboratory of Molecular and Cellular Screening Processes, Center of Biotechnology of Sfax, University of Sfax, Sfax, Tunisia
| | - Wajdi Safi
- Endocrinology Department, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Maab Babiker Mansour
- Department of Applied Biology, College of Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Mohamed Hadj Kacem
- Laboratory of Molecular and Cellular Screening Processes, Center of Biotechnology of Sfax, University of Sfax, Sfax, Tunisia
| | - Mona Mahfood
- Department of Applied Biology, College of Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Mohamed Abid
- Endocrinology Department, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Thouraya Kammoun
- Pediatric Department, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Mongia Hachicha
- Pediatric Department, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Mouna Mnif-Feki
- Endocrinology Department, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Faten Hadj Kacem
- Endocrinology Department, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Hassen Hadj Kacem
- Department of Applied Biology, College of Sciences, University of Sharjah, Sharjah, United Arab Emirates
- *Correspondence: Hassen Hadj Kacem,
| |
Collapse
|
11
|
Sekiya M, Matsuda T, Yamamoto Y, Furuta Y, Ohyama M, Murayama Y, Sugano Y, Ohsaki Y, Iwasaki H, Yahagi N, Yatoh S, Suzuki H, Shimano H. Deciphering genetic signatures by whole exome sequencing in a case of co-prevalence of severe renal hypouricemia and diabetes with impaired insulin secretion. BMC MEDICAL GENETICS 2020; 21:91. [PMID: 32375679 PMCID: PMC7201978 DOI: 10.1186/s12881-020-01031-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 04/22/2020] [Indexed: 11/21/2022]
Abstract
Background Renal hypouricemia (RHUC) is a hereditary disorder where mutations in SLC22A12 gene and SLC2A9 gene cause RHUC type 1 (RHUC1) and RHUC type 2 (RHUC2), respectively. These genes regulate renal tubular reabsorption of urates while there exist other genes counterbalancing the net excretion of urates including ABCG2 and SLC17A1. Urate metabolism is tightly interconnected with glucose metabolism, and SLC2A9 gene may be involved in insulin secretion from pancreatic β-cells. On the other hand, a myriad of genes are responsible for the impaired insulin secretion independently of urate metabolism. Case presentation We describe a 67 year-old Japanese man who manifested severe hypouricemia (0.7 mg/dl (3.8–7.0 mg/dl), 41.6 μmol/l (226–416 μmol/l)) and diabetes with impaired insulin secretion. His high urinary fractional excretion of urate (65.5%) and low urinary C-peptide excretion (25.7 μg/day) were compatible with the diagnosis of RHUC and impaired insulin secretion, respectively. Considering the fact that metabolic pathways regulating urates and glucose are closely interconnected, we attempted to delineate the genetic basis of the hypouricemia and the insulin secretion defect observed in this patient using whole exome sequencing. Intriguingly, we found homozygous Trp258* mutations in SLC22A12 gene causing RHUC1 while concurrent mutations reported to be associated with hyperuricemia were also discovered including ABCG2 (Gln141Lys) and SLC17A1 (Thr269Ile). SLC2A9, that also facilitates glucose transport, has been implicated to enhance insulin secretion, however, the non-synonymous mutations found in SLC2A9 gene of this patient were not dysfunctional variants. Therefore, we embarked on a search for causal mutations for his impaired insulin secretion, resulting in identification of multiple mutations in HNF1A gene (MODY3) as well as other genes that play roles in pancreatic β-cells. Among them, the Leu80fs in the homeobox gene NKX6.1 was an unreported mutation. Conclusion We found a case of RHUC1 carrying mutations in SLC22A12 gene accompanied with compensatory mutations associated with hyperuricemia, representing the first report showing coexistence of the mutations with opposed potential to regulate urate concentrations. On the other hand, independent gene mutations may be responsible for his impaired insulin secretion, which contains novel mutations in key genes in the pancreatic β-cell functions that deserve further scrutiny.
Collapse
Affiliation(s)
- Motohiro Sekiya
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Takaaki Matsuda
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yuki Yamamoto
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yasuhisa Furuta
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Mariko Ohyama
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yuki Murayama
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yoko Sugano
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yoshinori Ohsaki
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Hitoshi Iwasaki
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Naoya Yahagi
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Shigeru Yatoh
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Hiroaki Suzuki
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Hitoshi Shimano
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan.
| |
Collapse
|