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Zeng H, Tang C, Lin B, Yu M, Wang X, Wang J, Chen S, Yu C. The regulation effect of GLUT9/SLC2A9 on intrahepatic uric acid level and metabolic associated fatty liver disease. Hepatol Int 2022; 16:1064-1074. [PMID: 36006548 DOI: 10.1007/s12072-022-10371-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 05/22/2022] [Indexed: 11/04/2022]
Abstract
BACKGROUND Metabolic associated fatty liver disease (MAFLD) is the most common chronic liver disease worldwide. The important role of urid acid (UA) in MAFLD has been widely investigated. Our previous studies unveiled the elevation of serum UA levels independently predicts an increased risk of incident MAFLD. However, the role of intrahepatic UA in MAFLD has not been investigated yet. Glucose transporter 9 (GLUT9) is a key transporter that mediates the uptake of UA in hepatocytes. METHODS In this study, we first explored the clinical association between GLUT9 polymorphism and MAFLD. Blood samples of 247 male Chinese (127 were MAFLD patients) were collected and tested for the blood UA levels and genotype of the single nucleotide polymorphism (SNP) of GLUT9 (rs1014290). Next, Glut9 hepatic-specific knockout mice (Glut9Hep-ko) were generated to investigate the role of hepatic GLUT9 in MAFLD in male mice. RESULTS We found that the GA/AA genotypes (rs1014290) were associated with elevated serum UA levels in MAFLD patients. Meanwhile, we found that Glut9Hep-ko mice displayed lower intrahepatic UA levels, down-regulated lipogenesis genes expressions, and attenuated MAFLD symptoms after 12 weeks of high-fat diet feeding, compared with Glut9Fl/Fl littermates. However, Glut9Hep-ko mice and wild-type littermates showed no significant difference on hepatic fatty acid oxidation or inflammation. CONCLUSIONS Our results suggested that GLUT9 polymorphism was significantly associated with MAFLD, and hepatic-specific knockout of Glut9 significantly decreased intrahepatic contents and ameliorated diet-induced MAFLD in mice.
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Affiliation(s)
- Hang Zeng
- Department of Gastroenterology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China.
| | - Chenxi Tang
- Department of Gastroenterology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Bingru Lin
- Department of Gastroenterology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Mengli Yu
- Department of Gastroenterology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Xinyu Wang
- Department of Gastroenterology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Jinghua Wang
- Department of Gastroenterology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Shenghui Chen
- Department of Gastroenterology, School of Medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University, Hangzhou, 310003, China
| | - Chaohui Yu
- Department of Gastroenterology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China
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Zhang X, Hou G, Li F, Zheng X, Nie Q, Song G. SLC2A9 rs1014290 Polymorphism is Associated with Prediabetes and Type 2 Diabetes. Int J Endocrinol 2022; 2022:4947684. [PMID: 36545489 PMCID: PMC9763018 DOI: 10.1155/2022/4947684] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 11/17/2022] [Accepted: 11/29/2022] [Indexed: 12/15/2022] Open
Abstract
PURPOSE To investigate the association of the A/G rs1014290 polymorphism in SLC2A9 with type 2 diabetes (T2DM) and prediabetes mellitus (pre-DM). Patients and Methods. We enrolled 1058 patients who attended the Hebei General Hospital, Shijiazhuang, Hebei Province, China. The patients underwent general testing and oral glucose tolerance tests and were divided into three groups: 352 patients newly diagnosed with T2DM, 358 patients with pre-DM, and 348 healthy controls. The single nucleotide polymorphism (SNP) was detected by ligase detection reactions. The χ 2 test, one-way ANOVA, and binary logistic regression analysis were used to analyze the results. RESULTS In the T2DM group, the GG genotype frequency at the rs1014290 locus was significantly lower (14.8%) than it was in the healthy controls. Furthermore, the GG genotype group was associated with a reduced risk of T2DM in unadjusted and confounder-adjusted models compared with the risk in the AA genotype group. The G allele in the SLC2A9 rs1014290 locus decreased susceptibility to T2DM. In the pre-DM group, the GG and AG genotype groups had no significant correlation with the risk of pre-DM in any of the models. In the T2DM group, the uric acid level was significantly lower in the GG genotype group. In the T2DM and pre-DM groups, the HOMA-β levels were significantly higher in the GA (P < 0.001) and GG (P < 0.001) genotype groups than it was in the AA genotype group, and HOMA-IR was significantly lower in the GA (P < 0.001) and GG (P < 0.001) genotype groups than it was in the AA genotype group. CONCLUSION The A/G (rs1014290) SNP in SLC2A9 is closely related to the occurrence and development of diabetes.
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Affiliation(s)
- Xuemei Zhang
- Department of Rheumatism and Immunology, Hebei General Hospital, 348 Heping West Road, Shijiazhuang, Hebei 050000, China
| | - Guangsen Hou
- Department of Geriatric, Affiliated Hospital of Hebei Engineering University, 81 Congtai Road, Handan, Hebei 056000, China
| | - Fang Li
- Department of Rheumatism and Immunology, Hebei General Hospital, 348 Heping West Road, Shijiazhuang, Hebei 050000, China
| | - Xiao Zheng
- Department of Rheumatism and Immunology, Hebei General Hospital, 348 Heping West Road, Shijiazhuang, Hebei 050000, China
| | - Qian Nie
- Physical Examination Center, Hebei General Hospital, 348 Heping West Road, Shijiazhuang, Hebei 050000, China
| | - Guangyao Song
- Hebei Key Laboratory of Metabolic Diseases, Hebei General Hospital, 348 Heping West Road, Shijiazhuang, Hebei 050000, China
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Lukkunaprasit T, Rattanasiri S, Turongkaravee S, Suvannang N, Ingsathit A, Attia J, Thakkinstian A. The association between genetic polymorphisms in ABCG2 and SLC2A9 and urate: an updated systematic review and meta-analysis. BMC MEDICAL GENETICS 2020; 21:210. [PMID: 33087043 PMCID: PMC7580000 DOI: 10.1186/s12881-020-01147-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Accepted: 10/13/2020] [Indexed: 02/08/2023]
Abstract
Background Replication studies showed conflicting effects of ABCG2 and SLC2A9 polymorphisms on gout and serum urate. This meta-analysis therefore aimed to pool their effects across studies. Methods Studies were located from MEDLINE and Scopus from inception to 17th June 2018. Observational studies in adults with any polymorphism in ABCG2 or SLC2A9, and outcome including gout, hyperuricemia, and serum urate were included for pooling. Data extractions were performed by two independent reviewers. Genotype effects were pooled stratified by ethnicity using a mixed-effect logistic model and a multivariate meta-analysis for dichotomous and continuous outcomes. Results Fifty-two studies were included in the analysis. For ABCG2 polymorphisms, mainly studied in Asians, carrying 1–2 minor-allele-genotypes of rs2231142 and rs72552713 were respectively about 2.1–4.5 and 2.5–3.9 times higher odds of gout than non-minor-allele-genotypes. The two rs2231142-risk-genotypes also had higher serum urate about 11–18 μmol/l. Conversely, carrying 1–2 minor alleles of rs2231137 was about 36–57% significantly lower odds of gout. For SLC2A9 polymorphisms, mainly studied in Caucasians, carrying 1–2 minor alleles of rs1014290, rs6449213, rs6855911, and rs7442295 were about 25–43%, 31–62%, 33–64%, and 35–65% significantly lower odds of gout than non-minor-allele-genotypes. In addition, 1–2 minor-allele-genotypes of the latter three polymorphisms had significantly lower serum urate about 20–49, 21–51, and 18–54 μmol/l than non-minor-allele-genotypes. Conclusions Our findings should be useful in identifying patients at risk for gout and high serum urate and these polymorphisms may be useful in personalized risk scores. Trial registration PROSPERO registration number: CRD42018105275. Supplementary information The online version contains supplementary material available at 10.1186/s12881-020-01147-2.
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Affiliation(s)
- Thitiya Lukkunaprasit
- Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, 270 Rama VI Rd., Ratchathewi, Bangkok, 10400, Thailand.,Department of Pharmacology, College of Pharmacy, Rangsit University, Pathum Thani, Thailand
| | - Sasivimol Rattanasiri
- Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, 270 Rama VI Rd., Ratchathewi, Bangkok, 10400, Thailand.
| | - Saowalak Turongkaravee
- Social and Administrative Pharmacy Excellence Research (SAPER) Unit, Department of Pharmacy, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
| | - Naravut Suvannang
- Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, 270 Rama VI Rd., Ratchathewi, Bangkok, 10400, Thailand
| | - Atiporn Ingsathit
- Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, 270 Rama VI Rd., Ratchathewi, Bangkok, 10400, Thailand
| | - John Attia
- Centre for Clincial Epidemiology and Biostatistics, School of Medicine and Public Health, Faculty of Health and Medicine, University of Newcastle, and Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - Ammarin Thakkinstian
- Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, 270 Rama VI Rd., Ratchathewi, Bangkok, 10400, Thailand
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Fine mapping and identification of serum urate loci in American Indians: The Strong Heart Family Study. Sci Rep 2019; 9:17899. [PMID: 31784582 PMCID: PMC6884539 DOI: 10.1038/s41598-019-52924-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 10/12/2019] [Indexed: 02/07/2023] Open
Abstract
While studies have reported genetic loci affecting serum urate (SU) concentrations, few studies have been conducted in minority populations. Our objective for this study was to identify genetic loci regulating SU in a multigenerational family-based cohort of American Indians, the Strong Heart Family Study (SHFS). We genotyped 162,718 single nucleotide polymorphisms (SNPs) in 2000 SHFS participants using an Illumina MetaboChip array. A genome-wide association analysis of SU was conducted using measured genotype analysis approach accounting for kinships in SOLAR, and meta-analysis in METAL. Our results showed strong association of SU with rs4481233, rs9998811, rs7696092 and rs13145758 (minor allele frequency (MAF) = 25–44%; P < 3 × 10−14) of solute carrier family 2, member 9 (SLC2A9) and rs41481455, rs2231142 and rs1481012 (MAF = 29%; p < 3 × 10−9) of ATP-binding cassette protein, subfamily G, member 2 (ABCG2). Carriers of G alleles of rs9998811, rs4148155 and rs1481012 and A alleles of rs4481233, rs7696092 and rs13145758 and rs2231142 had lower SU concentrations as compared to non-carriers. Genetic analysis of SU conditional on significant SLC2A9 and ABCG2 SNPs revealed new loci, nucleobindin 1 (NUCB1) and neuronal PAS domain protein 4 (NPAS4) (p <6× 10−6). To identify American Indian-specific SNPs, we conducted targeted sequencing of key regions of SLC2A9. A total of 233 SNPs were identified of which 89 were strongly associated with SU (p < 7.1 × 10−10) and 117 were American Indian specific. Analysis of key SNPs in cohorts of Mexican-mestizos, European, Indian and East Asian ancestries showed replication of common SNPs, including our lead SNPs. Our results demonstrate the association of SU with uric acid transporters in a minority population of American Indians and potential novel associations of SU with neuronal-related genes which warrant further investigation.
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Pleskacova A, Bartakova V, Chalasova K, Pacal L, Kankova K, Tomandl J. Uric Acid and Xanthine Levels in Pregnancy Complicated by Gestational Diabetes Mellitus-The Effect on Adverse Pregnancy Outcomes. Int J Mol Sci 2018; 19:ijms19113696. [PMID: 30469427 PMCID: PMC6274971 DOI: 10.3390/ijms19113696] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 11/17/2018] [Accepted: 11/19/2018] [Indexed: 11/16/2022] Open
Abstract
Uric acid (UA) levels are associated with many diseases including those related to lifestyle. The aim of this study was to evaluate the influence of clinical and anthropometric parameters on UA and xanthine (X) levels during pregnancy and postpartum in women with physiological pregnancy and pregnancy complicated by gestational diabetes mellitus (GDM), and to evaluate their impact on adverse perinatal outcomes. A total of 143 participants were included. Analyte levels were determined by HPLC with ultraviolet detection (HPLC-UV). Several single-nucleotide polymorphisms (SNPs) in UA transporters were genotyped using commercial assays. UA levels were higher within GDM women with pre-gestational obesity, those in high-risk groups, and those who required insulin during pregnancy. X levels were higher in the GDM group during pregnancy and also postpartum. Positive correlations between UA and X levels with body mass index (BMI) and glycemia levels were found. Gestational age at delivery was negatively correlated with UA and X levels postpartum. Postpartum X levels were significantly higher in women who underwent caesarean sections. Our data support a possible link between increased UA levels and a high-risk GDM subtype. UA levels were higher among women whose glucose tolerance was severely disturbed. Mid-gestational UA and X levels were not linked to adverse perinatal outcomes.
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Affiliation(s)
- Anna Pleskacova
- Department of Pathophysiology, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic.
- Department of Biochemistry, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic.
| | - Vendula Bartakova
- Department of Pathophysiology, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic.
| | - Katarina Chalasova
- Department of Pathophysiology, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic.
| | - Lukas Pacal
- Department of Pathophysiology, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic.
| | - Katerina Kankova
- Department of Pathophysiology, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic.
| | - Josef Tomandl
- Department of Pathophysiology, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic.
- Department of Biochemistry, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic.
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Tana C, Busetto L, Di Vincenzo A, Ricci F, Ticinesi A, Lauretani F, Nouvenne A, Giamberardino MA, Cipollone F, Vettor R, Meschi T. Management of hyperuricemia and gout in obese patients undergoing bariatric surgery. Postgrad Med 2018; 130:523-535. [PMID: 29888674 DOI: 10.1080/00325481.2018.1485444] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Hyperuricemia and gout represent important issues in the obese patients. Considering the epidemic trend of overweight and obesity in developed countries, the impact of these conditions is likely to increase. At present, bariatric surgery represents the most effective treatment for the management of severe obesity for reducing weight and the impact of associated comorbidities, but its effects on hyperuricemia and gout have not been fully elucidated. METHODS In this narrative review, we discuss the current knowledge about hyperuricemia and gout in obese patients undergoing bariatric surgery. We also suggest a useful approach to prevent gouty attacks in the perioperative period. RESULTS Weight loss seems to reduce hyperuricemia in the long-term follow-up, but there is evidence also of a high frequency of acute attacks early after surgery in patients with a diagnosis of gout. CONCLUSION Bariatric surgery has a high impact on hyperuricemia and gout. A perioperative approach is suggested, based on appropriate hydration, early physical resumption, urate lowering drugs and nonsteroidal anti-inflammatory drugs (NSAIDs), or colchicine and corticosteroids if NSAIDs are ineffective or not tolerated.
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Affiliation(s)
- Claudio Tana
- a Internal Medicine and Critical Subacute Care Unit, Medicine Geriatric-Rehabilitation Department, and Department of Medicine and Surgery , University-Hospital of Parma , Parma , Italy
| | - Luca Busetto
- b Center for the Study and the Integrated Treatment of Obesity, Department of Medicine , University of Padova , Padova , Italy
| | - Angelo Di Vincenzo
- b Center for the Study and the Integrated Treatment of Obesity, Department of Medicine , University of Padova , Padova , Italy
| | - Fabrizio Ricci
- c Institute of Cardiology , University "G. d'Annunzio" , Chieti , Italy
| | - Andrea Ticinesi
- a Internal Medicine and Critical Subacute Care Unit, Medicine Geriatric-Rehabilitation Department, and Department of Medicine and Surgery , University-Hospital of Parma , Parma , Italy
| | - Fulvio Lauretani
- a Internal Medicine and Critical Subacute Care Unit, Medicine Geriatric-Rehabilitation Department, and Department of Medicine and Surgery , University-Hospital of Parma , Parma , Italy
| | - Antonio Nouvenne
- a Internal Medicine and Critical Subacute Care Unit, Medicine Geriatric-Rehabilitation Department, and Department of Medicine and Surgery , University-Hospital of Parma , Parma , Italy
| | - Maria Adele Giamberardino
- d Geriatrics Clinic, Department of Medicine and Science of Aging and Ce.S.I.-MeT , "G. d'Annunzio" University of Chieti , Chieti , Italy
| | - Francesco Cipollone
- e European Center of Excellence on Hypertension, Dyslipidemia and Atherosclerosis, and Department of Medicine and Science of Aging , "G. d'Annunzio" University , Chieti , Italy
| | - Roberto Vettor
- b Center for the Study and the Integrated Treatment of Obesity, Department of Medicine , University of Padova , Padova , Italy
| | - Tiziana Meschi
- a Internal Medicine and Critical Subacute Care Unit, Medicine Geriatric-Rehabilitation Department, and Department of Medicine and Surgery , University-Hospital of Parma , Parma , Italy
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YI XL, LI J, MENG DM, LIU YJ, LIU YH, MA HM, YUAN Y, XING SC. An Intron Variant of SLC2A9 Increases the Risk for Type 2 Diabetes Mellitus Complicated with Hyperuricemia in Chinese Male Population. IRANIAN JOURNAL OF PUBLIC HEALTH 2018; 47:844-851. [PMID: 30087870 PMCID: PMC6077636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND The aim of this study was to explore the associations of haplotypes of the glucose transporter 9 (SLC2A9) genes with type 2 diabetes mellitus (T2DM) complicated with hyperuricemia (HUA). METHODS Overall, 608 Chinese males, enrolled from the Affiliated Hospital of Medical College of Qingdao University in 2009-2012, were genotyped. The subjects included 167 withT2DM (average age of onset (58.07±11.82 yr), 198 with HUA subjects (average age of onset (39.20±9.73) yr), 115 with T2DM complicated with HUA (average age of onset (51.24±10.09) yr), and 128 control subjects (average age (41.92±10.01) yr). Patients genotypes of the SNPs; including rs734553 was determined by PCR method. Each genotype was regressed assuming the co-dominant, dominant and the recessive models of inheritance with covariates of duration of total glucose, uric acid, urea nitrogen, triglyceride, cholesterol, and creatinine levels. RESULTS Chi-square test revealed that rs734553polymorphism was both significantly associated with HUA as well as T2DM complicated HUA, but not with pure T2DM. After adjustment for age and gender, analysis showed that people with C allele had higher risk of HUA and T2DM complicated HUA than those without C allele. And none of the subjects had the homozygous genotype for SLC2A9 (CC). CONCLUSION The SLC2A9 mutation increases the risk for T2DM complicated HUA in Chinese population, which suggested that intron variants between two relatively conserved exons could also be associated with diseases. In patients of T2DM complicated with HUA, the diagnosis and detection of SLC2A9 gene variants should be caused enough attention.
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Affiliation(s)
- Xuan-Long YI
- The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Jiang LI
- The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Dong-Mei MENG
- The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Yan-Jun LIU
- The College of Life Science, Nanjing Agricultural University, Nanjing, China
| | - Yan-Hong LIU
- The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Hong-Min MA
- The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Ying YUAN
- The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China,Corresponding Author:
| | - Shi-Chao XING
- The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China, Dept. of Scientific Research Shandong Institute of Orthopaedics and Traumatology, Qingdao, Shandong Province, China,Corresponding Author:
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Li WM, Pasaribu N, Lee SS, Tsai WC, Li CY, Lin GT, Chuang HY, Tung YC, Tu HP. Risk of incident benign prostatic hyperplasia in patients with gout: a retrospective cohort study. Prostate Cancer Prostatic Dis 2018; 21:277-286. [PMID: 29858589 DOI: 10.1038/s41391-018-0047-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 02/13/2018] [Accepted: 02/26/2018] [Indexed: 11/09/2022]
Abstract
BACKGROUND This retrospective cohort study evaluated the association between gout and the risk of benign prostatic hyperplasia among men by using data from Taiwan's National Health Insurance Research Database. METHODS Population-based representative insurance (outpatient and inpatient) claims data of 29,269 patients with gout and 29,269 matched patients without gout (1:1 ratio) for the period of 1997-2010 in Taiwan were identified. The association between gout and benign prostatic hyperplasia was evaluated using the Cox proportional hazards model. The associations of age by gout and gout phenotypes with benign prostatic hyperplasia risk were estimated. RESULTS Patients with gout had a higher incidence rate of benign prostatic hyperplasia than those in the matched gout-free group (19.62 vs. 10.11 events per 1000 person-years). Compared with the gout-free group, the adjusted hazard ratios (HRs) (95% confidence intervals (CIs)) for benign prostatic hyperplasia were 1.30 (1.24-1.36). The gout-to-benign prostatic hyperplasia association was modified by age (Pinteraction < 0.0001) in gout patients the age groups of 20-40 years (adjusted HR 2.74, P < 0.0001) and 41-60 years (adjusted HR 1.39, P < 0.0001) but not in the age group of >60 years (adjusted HR 1.07, P = 0.063). Compared with gouty tophi, a higher risk of benign prostatic hyperplasia was noted in gouty nephropathy (adjusted HR 1.30, 95% CI 1.12-1.50). CONCLUSIONS Our results suggest that male gout is positively related to benign prostatic hyperplasia, particularly in young gout patients and those with gouty nephropathy.
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Affiliation(s)
- Wei-Ming Li
- Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.,Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Urology, Ministry of Health and Welfare, Pingtung Hospital, Pingtung, Taiwan
| | - Nelly Pasaribu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Su-Shin Lee
- Division of Plastic Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.,Department of Surgery, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Wen-Chan Tsai
- Division of Rheumatology, Departments of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Chia-Yang Li
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Gau-Tyan Lin
- Department of Orthopedic Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Hung-Yi Chuang
- Department of Public Health and Environmental Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yi-Ching Tung
- Department of Public Health and Environmental Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hung-Pin Tu
- Department of Public Health and Environmental Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan. .,Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
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Nkeck JR, Singwé Ngandeu M, Ama Moor V, Nkeck JP, Chedjou JP, Ndoadoumgue AL, Mbacham WF. Genetic analysis for rs2280205 (A>G) and rs2276961 (T>C) in SLC2A9 polymorphism for the susceptibility of gout in Cameroonians: a pilot study. BMC Res Notes 2018; 11:230. [PMID: 29615104 PMCID: PMC5883404 DOI: 10.1186/s13104-018-3333-6] [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: 01/13/2018] [Accepted: 03/27/2018] [Indexed: 11/22/2022] Open
Abstract
Objective To determine the association of non-synonymous variants rs2280205 and rs2276961 of the SLC2A9 gene to gout in Cameroonians. Results In a case–control study including 30 patients with acute gout matched to 30 healthy volunteers. We searched for polymorphism of the targeted variants using Restriction Fragment Length Polymorphism following polymerize chain reaction. Fisher exact test and Student t-test were used to compare variables, with a threshold of significance set at 0.05. The mean age of participants was 58 ± 8 years with 28 (93%) males. The family history of gout was found in one-third of the cases (p > 0.05). Uricemia was higher in cases than controls (p < 0.001) but 24 h urate excretion was similar in both groups (p > 0.05). Ancestral alleles (G and C) and their homozygous genotypes (GG and CC) of the targeted variants were predominant in both groups (p < 0.001). The polymorphisms of targeted variants were not associated with gout, and do not influence uric acid concentration in blood and urine. Non-synonymous variants rs2280205 and rs2276961 are not associated with gout in Cameroonians. However, the hereditary component of the disease suggests the influence of other genetic and/or environmental factors. Electronic supplementary material The online version of this article (10.1186/s13104-018-3333-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Jan René Nkeck
- Faculty of Medicine and Biomedical Sciences, The University of Yaoundé I, Yaoundé, Cameroon.
| | - Madeleine Singwé Ngandeu
- Faculty of Medicine and Biomedical Sciences, The University of Yaoundé I, Yaoundé, Cameroon.,Rheumatology Unit of the Yaoundé Central Hospital, Yaoundé, Cameroon
| | - Vicky Ama Moor
- Faculty of Medicine and Biomedical Sciences, The University of Yaoundé I, Yaoundé, Cameroon.,Biochemistry Laboratory of the Yaoundé University Hospital Centre, Yaoundé, Cameroon
| | - Jériel Pascal Nkeck
- Faculty of Medicine and Biomedical Sciences, The University of Yaoundé I, Yaoundé, Cameroon
| | - Jean-Pierre Chedjou
- Laboratory of Public Health Biotechnology, Biotechnology Centre of the University of Yaoundé I, Yaoundé, Cameroon
| | | | - Wilfred F Mbacham
- Faculty of Medicine and Biomedical Sciences, The University of Yaoundé I, Yaoundé, Cameroon.,Laboratory of Public Health Biotechnology, Biotechnology Centre of the University of Yaoundé I, Yaoundé, Cameroon
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Tung YC, Lee SS, Tsai WC, Lin GT, Chang HW, Tu HP. Association Between Gout and Incident Type 2 Diabetes Mellitus: A Retrospective Cohort Study. Am J Med 2016; 129:1219.e17-1219.e25. [PMID: 27448491 DOI: 10.1016/j.amjmed.2016.06.041] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 06/03/2016] [Accepted: 06/03/2016] [Indexed: 12/26/2022]
Abstract
OBJECTIVE We investigated the association between gout and the risk of type 2 diabetes mellitus. METHODS Population-based representative insurance (outpatient and inpatient) claims data of 29,765 patients with gout and 59,530 controls without gout (1:2 case:control ratio) between 1998 and 2010 in Taiwan were identified. The association between gout and type 2 diabetes was evaluated using the Cox proportional hazards model. Moreover, the combined effects of sex and incident gout on the risk of type 2 diabetes were estimated. RESULTS In total, 3940 patients (13.24%) with gout and 6334 controls (10.64%) developed type 2 diabetes in the follow-up period. Multivariate analyses revealed a significant association between gout and type 2 diabetes. Compared with the control group, the adjusted hazard ratios (95% confidence intervals) for type 2 diabetes were 1.62 (1.54-1.70) in men, 1.97 (1.81-2.14) in women, and 1.70 (1.62-1.77) overall. The multiplicative interaction was β = 0.18 and P = .0001, suggesting a positive interaction between sex and incident gout. Moreover, compared with men without gout, a significantly higher risk of type 2 diabetes was noted in women without gout (adjusted relative risk [95% confidence interval], 1.17 [1.10-1.24]), men with gout (1.11 [1.06-1.16]), and women with gout (1.47 [1.37-1.57]) (P for interaction = .0058). CONCLUSIONS Gout is a strong and independent risk factor for type 2 diabetes, and female patients with gout are at a higher risk of type 2 diabetes than are male patients with gout.
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Affiliation(s)
- Yi-Ching Tung
- Department of Public Health and Environmental Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Taiwan
| | - Su-Shin Lee
- Division of Plastic Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Taiwan; Department of Surgery, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Taiwan
| | - Wen-Chan Tsai
- Division of Rheumatology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Taiwan
| | - Gau-Tyan Lin
- Department of Orthopedic Surgery, Kaohsiung Medical University Hospital, Taiwan
| | - Hsin-Wen Chang
- Center for General Education, Hsuan Chuang University, Hsinchu, Taiwan; Department of Public Health, China Medical University, Taichung, Taiwan
| | - Hung-Pin Tu
- Department of Public Health and Environmental Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Taiwan; PhD Program in Environmental and Occupational Medicine, College of Medicine, Kaohsiung Medical University, Taiwan.
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Bartáková V, Kuricová K, Pácal L, Nová Z, Dvořáková V, Švrčková M, Malúšková D, Svobodová I, Řehořová J, Svojanovský J, Olšovský J, Bělobrádková J, Kaňková K. Hyperuricemia contributes to the faster progression of diabetic kidney disease in type 2 diabetes mellitus. J Diabetes Complications 2016; 30:1300-7. [PMID: 27324705 DOI: 10.1016/j.jdiacomp.2016.06.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 05/31/2016] [Accepted: 06/01/2016] [Indexed: 11/17/2022]
Abstract
AIMS The aims of the study were (i) to ascertain prognostic value of serum uric acid (SUA) for diabetic kidney disease (DKD) progression and major adverse cardiovascular event (MACE) in a cohort of T2DM patients, (ii) to ascertain eventual protective effect of allopurinol treatment, (iii) to determine the effect of genetic variability in UA transporters on DKD progression, and (iv) to define optimal cut-off values for SUA in patients with DKD. METHODS Study comprised 422 subjects with diabetes duration at least 15years followed-up for a median of 43 [IQR 22-77] months. Participants were categorized into stable or progressors according to their change in albuminuria or chronic kidney disease (CKD) stage. At baseline, 68% patients had hyperuricemia (SUA≥420μmol/l for men and ≥360μmol/l for women and/or allopurinol treatment). Five SNPs in the SLC2A9 and ABCG2 genes were determined by PCR. RESULTS Time-to-event analysis with subgroups defined by the presence/absence of initial hyperuricemia revealed significant differences in all three end-points (P<0.0001 for DKD progression, P=0.0022 for MACE and P=0.0002 for death, log-rank test). Subjects with normal SUA not requiring allopurinol had median time to DKD progression 49months compared with remaining subjects (32months, P=0.0002, log-rank test). Multivariate Cox regression model revealed hyperuricemia (i.e. high SUA and/or allopurinol treatment) significant predictor of DKD progression independent of baseline CKD stage. Optimal cut-off values identified by ROC analysis for T2DM subjects were ≤377.5μmol/l for men and ≤309.0μmol/l for women. We found no differences in allele or genotype frequencies in selected SNPs between patients with and without hyperuricemia (all P>0.05). CONCLUSIONS Our study demonstrated that initial hyperuricemia or need for allopurinol is an independent risk factor for DKD progression and that SUA levels in diabetic subjects conferring protection against DKD progression might be lower than current cut-offs for general population.
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Affiliation(s)
- Vendula Bartáková
- Department of Pathophysiology, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic.
| | - Katarína Kuricová
- Department of Pathophysiology, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
| | - Lukáš Pácal
- Department of Pathophysiology, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
| | - Zuzana Nová
- Department of Pathophysiology, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
| | - Veronika Dvořáková
- Department of Pathophysiology, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
| | - Martina Švrčková
- Department of Pathophysiology, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
| | - Denisa Malúšková
- Institute of Biostatistics and Analyses, Masaryk University, Netroufalky 797/5, 625 00 Brno, Czech Republic
| | - Ivana Svobodová
- Institute of Biostatistics and Analyses, Masaryk University, Netroufalky 797/5, 625 00 Brno, Czech Republic
| | - Jitka Řehořová
- Diabetes Centre, Department of Internal Medicine - Gastroenterology, University Hospital Brno, Jihlavská 20, 625 00 Brno, Czech Republic
| | - Jan Svojanovský
- Nephrology & Dialysis Unit, The 2nd Department of Internal Medicine, St. Anne's University Hospital, Pekařská 53, 656 91 Brno, Czech Republic
| | - Jindřich Olšovský
- Nephrology & Dialysis Unit, The 2nd Department of Internal Medicine, St. Anne's University Hospital, Pekařská 53, 656 91 Brno, Czech Republic
| | - Jana Bělobrádková
- Diabetes Centre, Department of Internal Medicine - Gastroenterology, University Hospital Brno, Jihlavská 20, 625 00 Brno, Czech Republic
| | - Kateřina Kaňková
- Department of Pathophysiology, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
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12
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Wei F, Chang B, Yang X, Wang Y, Chen L, Li WD. Serum Uric Acid Levels were Dynamically Coupled with Hemoglobin A1c in the Development of Type 2 Diabetes. Sci Rep 2016; 6:28549. [PMID: 27328642 PMCID: PMC4916504 DOI: 10.1038/srep28549] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 06/03/2016] [Indexed: 01/24/2023] Open
Abstract
The aim of the study was to decipher the relationship between serum uric acid (SUA) and glycated hemoglobin A1c (HbA1c) or fasting plasma glucose (FPG) in both type 2 diabetes mellitus (T2DM) patients and normal subjects. A total of 2,250 unrelated T2DM patients and 4,420 Han Chinese subjects from a physical examination population were recruited for this study. In T2DM patients SUA levels were negatively correlated with HbA1c (rs = -0.109, P = 0.000) and 2 h plasma glucose levels (rs = -0.178, P = 0.000). In the physical examination population, SUA levels were inversely correlated with HbA1c (rs = -0.175, P = 0.000) and FPG (rs = -0.131, P = 0.009) in T2DM patients but positively correlated with HbA1c (rs = 0.040, P = 0.012) and FPG (rs = 0.084, P = 0.000) in normal-glucose subjects. Multivariate analyses showed that HbA1c was significantly negatively associated with HUA both in T2DM patients (OR = 0.872, 95% CI: 0.790~0.963) and in the physical examination T2DM patients (OR = 0.722, 95% CI: 0.539~0.968). Genetic association studies in T2DM patients showed that alleles of two glucose-uric acid transporter genes, ABCG2 and SLC2A9 were significantly associated with SUA levels (P < 0.05). SUA level is inversely correlated with HbA1c in T2DM patients but positively correlated with HbA1c in normal-glucose subjects. The reverse transporting of uric acid and glucose in renal tubules might be accounted for these associations.
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Affiliation(s)
- Fengjiang Wei
- Center of Basic Medical Sciences, Tianjin Medical University, 22 Qixiangtai Road, Tianjin, 300070, P.R. China
| | - Baocheng Chang
- Metabolic Diseases Hospital, Tianjin Medical University, Tianjin, 300070, P.R. China
| | - Xilin Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, 22 Qixiangtai Road, Tianjin, 300070, P.R. China
| | - Yaogang Wang
- School of Public Health, Tianjin Medical University, 22 Qixiangtai Road, Tianjin, 300070, P.R. China
| | - Liming Chen
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, 22 Qixiangtai Road, Tianjin, 300070, P.R. China
| | - Wei-Dong Li
- Center of Basic Medical Sciences, Tianjin Medical University, 22 Qixiangtai Road, Tianjin, 300070, P.R. China
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Evliyaoğlu O, Başaran N, Sucu V, Bulut L, Dikker O, Tezcan F, Vardar M. Changing of Uric Acid Levels by Age and Sex in Patients with Diabetes Mellitus. JOURNAL OF CLINICAL AND EXPERIMENTAL INVESTIGATIONS 2016. [DOI: 10.5799/jcei.328707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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14
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Giri AK, Banerjee P, Chakraborty S, Kauser Y, Undru A, Roy S, Parekatt V, Ghosh S, Tandon N, Bharadwaj D. Genome wide association study of uric acid in Indian population and interaction of identified variants with Type 2 diabetes. Sci Rep 2016; 6:21440. [PMID: 26902266 PMCID: PMC4763273 DOI: 10.1038/srep21440] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Accepted: 01/22/2016] [Indexed: 12/12/2022] Open
Abstract
Abnormal level of Serum Uric Acid (SUA) is an important marker and risk factor for complex diseases including Type 2 Diabetes. Since genetic determinant of uric acid in Indians is totally unexplored, we tried to identify common variants associated with SUA in Indians using Genome Wide Association Study (GWAS). Association of five known variants in SLC2A9 and SLC22A11 genes with SUA level in 4,834 normoglycemics (1,109 in discovery and 3,725 in validation phase) was revealed with different effect size in Indians compared to other major ethnic population of the world. Combined analysis of 1,077 T2DM subjects (772 in discovery and 305 in validation phase) and normoglycemics revealed additional GWAS signal in ABCG2 gene. Differences in effect sizes of ABCG2 and SLC2A9 gene variants were observed between normoglycemics and T2DM patients. We identified two novel variants near long non-coding RNA genes AL356739.1 and AC064865.1 with nearly genome wide significance level. Meta-analysis and in silico replication in 11,745 individuals from AUSTWIN consortium improved association for rs12206002 in AL356739.1 gene to sub-genome wide association level. Our results extends association of SLC2A9, SLC22A11 and ABCG2 genes with SUA level in Indians and enrich the assemblages of evidence for SUA level and T2DM interrelationship.
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Affiliation(s)
- Anil K Giri
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, New Delhi 110020, India.,Academy of Scientific and Innovative Research, CSIR-Institute of Genomics and Integrative Biology Campus, New Delhi - 110020, India
| | - Priyanka Banerjee
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, New Delhi 110020, India
| | - Shraddha Chakraborty
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, New Delhi 110020, India.,Academy of Scientific and Innovative Research, CSIR-Institute of Genomics and Integrative Biology Campus, New Delhi - 110020, India
| | - Yasmeen Kauser
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, New Delhi 110020, India.,Academy of Scientific and Innovative Research, CSIR-Institute of Genomics and Integrative Biology Campus, New Delhi - 110020, India
| | - Aditya Undru
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, New Delhi 110020, India.,Academy of Scientific and Innovative Research, CSIR-Institute of Genomics and Integrative Biology Campus, New Delhi - 110020, India
| | - Suki Roy
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, New Delhi 110020, India
| | - Vaisak Parekatt
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, New Delhi 110020, India
| | - Saurabh Ghosh
- Human Genetics Unit, Indian Statistical Institute, Kolkata - 700108, India
| | - Nikhil Tandon
- Department of Endocrinology and Metabolism, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Dwaipayan Bharadwaj
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, New Delhi 110020, India.,Academy of Scientific and Innovative Research, CSIR-Institute of Genomics and Integrative Biology Campus, New Delhi - 110020, India
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15
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Common variants related to serum uric acid concentrations are associated with glucose metabolism and insulin secretion in a Chinese population. PLoS One 2015; 10:e0116714. [PMID: 25617895 PMCID: PMC4305305 DOI: 10.1371/journal.pone.0116714] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2014] [Accepted: 12/13/2014] [Indexed: 01/11/2023] Open
Abstract
Background Elevated serum uric acid concentration is an independent risk factor and predictor of type 2 diabetes (T2D). Whether the uric acid-associated genes have an impact on T2D remains unclear. We aimed to investigate the effects of the uric acid-associated genes on the risk of T2D as well as glucose metabolism and insulin secretion. Method We recruited 2,199 normal glucose tolerance subjects from the Shanghai Diabetes Study I and II and 2,999 T2D patients from the inpatient database of Shanghai Diabetes Institute. Fifteen single nucleotide polymorphisms (SNPs) mapped in or near 11 loci (PDZK1, GCKR, LRP2, SLC2A9, ABCG2, LRRC16A, SLC17A1, SLC17A3, SLC22A11, SLC22A12 and SF1) were genotyped and serum biochemical parameters related to uric acid and T2D were determined. Results SF1 rs606458 showed strong association to T2D in both males and females (p = 0.034 and 0.0008). In the males, LRRC16A was associated with 2-h insulin and insulin secretion (p = 0.009 and 0.009). SLC22A11 was correlated with HOMA-B and insulin secretion (p = 0.048 and 0.029). SLC2A9 rs3775948 was associated with 2-h glucose (p = 0.043). In the females, LRP2 rs2544390 and rs1333049 showed correlations with fasting insulin, HOMA-IR and insulin secretion (p = 0.028, 0.033 and 0.052 and p = 0.034, 0.047 and 0.038, respectively). SLC2A9 rs11722228 was correlated with 2-h glucose, 2-h insulin and insulin secretion (p = 0.024, 0.049 and 0.049, respectively). Conclusions Our results indicated that the uric acid-associated genes have an impact on the risk of T2D, glucose metabolism and insulin secretion in a Chinese population.
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16
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Voruganti VS, Kent JW, Debnath S, Cole SA, Haack K, Göring HHH, Carless MA, Curran JE, Johnson MP, Almasy L, Dyer TD, Maccluer JW, Moses EK, Abboud HE, Mahaney MC, Blangero J, Comuzzie AG. Genome-wide association analysis confirms and extends the association of SLC2A9 with serum uric acid levels to Mexican Americans. Front Genet 2013; 4:279. [PMID: 24379826 PMCID: PMC3863993 DOI: 10.3389/fgene.2013.00279] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Accepted: 11/23/2013] [Indexed: 12/18/2022] Open
Abstract
Increased serum uric acid (SUA) is a risk factor for gout and renal and cardiovascular disease (CVD). The purpose of this study was to identify genetic factors that affect the variation in SUA in 632 Mexican Americans participants of the San Antonio Family Heart Study (SAFHS). A genome-wide association (GWA) analysis was performed using the Illumina Human Hap 550K single nucleotide polymorphism (SNP) microarray. We used a linear regression-based association test under an additive model of allelic effect, while accounting for non-independence among family members via a kinship variance component. All analyses were performed in the software package SOLAR. SNPs rs6832439, rs13131257, and rs737267 in solute carrier protein 2 family, member 9 (SLC2A9) were associated with SUA at genome-wide significance (p < 1.3 × 10−7). The minor alleles of these SNPs had frequencies of 36.2, 36.2, and 38.2%, respectively, and were associated with decreasing SUA levels. All of these SNPs were located in introns 3–7 of SLC2A9, the location of the previously reported associations in European populations. When analyzed for association with cardiovascular-renal disease risk factors, conditional on SLC2A9 SNPs strongly associated with SUA, significant associations were found for SLC2A9 SNPs with BMI, body weight, and waist circumference (p < 1.4 × 10−3) and suggestive associations with albumin-creatinine ratio and total antioxidant status (TAS). The SLC2A9 gene encodes an urate transporter that has considerable influence on variation in SUA. In addition to the primary association locus, suggestive evidence (p < 1.9 × 10−6) for joint linkage/association (JLA) was found at a previously-reported urate quantitative trait locus (Logarithm of odds score = 3.6) on 3p26.3. In summary, our GWAS extends and confirms the association of SLC2A9 with SUA for the first time in a Mexican American cohort and also shows for the first time its association with cardiovascular-renal disease risk factors.
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Affiliation(s)
- Venkata Saroja Voruganti
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA ; Department of Nutrition, Nutrition Research Institute, University of North Carolina at Chapel Hill Kannapolis, NC, USA
| | - Jack W Kent
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA
| | - Subrata Debnath
- Division of Nephrology, Department of Medicine, University of Texas Health Science Center at San Antonio San Antonio, TX, USA
| | - Shelley A Cole
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA
| | - Karin Haack
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA
| | - Harald H H Göring
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA
| | - Melanie A Carless
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA
| | - Joanne E Curran
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA
| | - Matthew P Johnson
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA
| | - Laura Almasy
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA
| | - Thomas D Dyer
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA
| | - Jean W Maccluer
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA
| | - Eric K Moses
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA ; Centre for Genetic Origins of Health and Disease, University of Western Australia Perth, WA, Australia
| | - Hanna E Abboud
- Division of Nephrology, Department of Medicine, University of Texas Health Science Center at San Antonio San Antonio, TX, USA
| | - Michael C Mahaney
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA
| | - John Blangero
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA
| | - Anthony G Comuzzie
- Department of Genetics, Texas Biomedical Research Institute San Antonio, TX, USA
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Karim S, Adams DH, Lalor PF. Hepatic expression and cellular distribution of the glucose transporter family. World J Gastroenterol 2012; 18:6771-81. [PMID: 23239915 PMCID: PMC3520166 DOI: 10.3748/wjg.v18.i46.6771] [Citation(s) in RCA: 123] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2012] [Revised: 09/10/2012] [Accepted: 09/19/2012] [Indexed: 02/06/2023] Open
Abstract
Glucose and other carbohydrates are transported into cells using members of a family of integral membrane glucose transporter (GLUT) molecules. To date 14 members of this family, also called the solute carrier 2A proteins have been identified which are divided on the basis of transport characteristics and sequence similarities into several families (Classes 1 to 3). The expression of these different receptor subtypes varies between different species, tissues and cellular subtypes and each has differential sensitivities to stimuli such as insulin. The liver is a contributor to metabolic carbohydrate homeostasis and is a major site for synthesis, storage and redistribution of carbohydrates. Situations in which the balance of glucose homeostasis is upset such as diabetes or the metabolic syndrome can lead metabolic disturbances that drive chronic organ damage and failure, confirming the importance of understanding the molecular regulation of hepatic glucose homeostasis. There is a considerable literature describing the expression and function of receptors that regulate glucose uptake and release by hepatocytes, the most import cells in glucose regulation and glycogen storage. However there is less appreciation of the roles of GLUTs expressed by non parenchymal cell types within the liver, all of which require carbohydrate to function. A better understanding of the detailed cellular distribution of GLUTs in human liver tissue may shed light on mechanisms underlying disease pathogenesis. This review summarises the available literature on hepatocellular expression of GLUTs in health and disease and highlights areas where further investigation is required.
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