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Maouia A, Leban N, Youssef M, Helal A, Kassab A. Desloratadine efficacy in relation to GSTM1 and GSTT1 polymorphic genes in chronic spontaneous urticaria. Indian J Dermatol 2022; 67:252-257. [DOI: 10.4103/ijd.ijd_546_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Vojtková J, Kolková Z, Motyková K, Kostková M, Suroviaková S, Grendár M, Bánovčin P. An association between fibrinogen gene polymorphisms and diabetic peripheral neuropathy in young patients with type 1 diabetes. Mol Biol Rep 2021; 48:4397-4404. [PMID: 34061326 DOI: 10.1007/s11033-021-06455-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 05/27/2021] [Indexed: 11/30/2022]
Abstract
In complex etiopathogenesis of diabetic peripheral neuropathy (DPN), hemostatic dysfunction and subclinical inflammation play a possible role. Fibrinogen is involved in both the hemostatic and inflammatory pathways, so we hypothesize that fibrinogen gene polymorphisms might be associated with DPN. A total of 127 young patients with type 1 diabetes (T1D) (average age, 18.5 ± 4.65 years; average diabetes duration, 14.5 ± 2.26 years) and 90 healthy controls were enrolled into the study. Basic biochemical and coagulation parameters were measured and gene polymorphisms of fibrinogen alpha (rs6050) and beta (rs1800790) were established. DPN was diagnosed in 38 diabetic patients by neurological examination. AA genotype and A allele of rs1800790 polymorphism of fibrinogen beta were associated with increased risk of DPN (odds ratio [OR] 4.537, 95% confidence interval [95CI] 1.14-19.94, p = 0.019 and OR 1.958, 95CI 1.038-3.675, p = 0.029, respectively). No association was found between DPN and rs6050 gene polymorphisms. Plasma fibrinogen concentration significantly correlated with HbA1c (Spearman's correlation coefficient [r] = 0.54) and HDL cholesterol (r = - 0.67). A allele and AA genotype of rs1800790 seem to be associated with DPN in young patients with T1D. Further studies are appropriate to elucidate the role of fibrinogen gene polymorphisms in the complex etiology of DPN.
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Affiliation(s)
- Jarmila Vojtková
- Department of Pediatrics, Jessenius Faculty of Medicine and University Hospital, Comenius University in Bratislava, Kollárova 2, 036 01, Martin, Slovakia
| | - Zuzana Kolková
- Department of Pediatrics, Jessenius Faculty of Medicine and University Hospital, Comenius University in Bratislava, Kollárova 2, 036 01, Martin, Slovakia.,Jessenius Faculty of Medicine, Biomedical Center Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Katarína Motyková
- Department of Pediatrics, Jessenius Faculty of Medicine and University Hospital, Comenius University in Bratislava, Kollárova 2, 036 01, Martin, Slovakia
| | - Martina Kostková
- Department of Pediatrics, Jessenius Faculty of Medicine and University Hospital, Comenius University in Bratislava, Kollárova 2, 036 01, Martin, Slovakia
| | - Stanislava Suroviaková
- Department of Pediatrics, Jessenius Faculty of Medicine and University Hospital, Comenius University in Bratislava, Kollárova 2, 036 01, Martin, Slovakia.
| | - Marián Grendár
- Jessenius Faculty of Medicine, Bioinformatic Center, Biomedical Center Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Peter Bánovčin
- Department of Pediatrics, Jessenius Faculty of Medicine and University Hospital, Comenius University in Bratislava, Kollárova 2, 036 01, Martin, Slovakia
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Rahbar MH, Samms-Vaughan M, Saroukhani S, Lee M, Zhang J, Bressler J, Hessabi M, Shakespeare-Pellington S, Grove ML, Loveland KA. Interaction of Blood Manganese Concentrations with GSTT1 in Relation to Autism Spectrum Disorder in Jamaican Children. J Autism Dev Disord 2021; 51:1953-1965. [PMID: 32892263 PMCID: PMC7936003 DOI: 10.1007/s10803-020-04677-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Using data from 266 age- and sex-matched pairs of Jamaican children with autism spectrum disorder (ASD) and typically developing (TD) controls (2-8 years), we investigated whether glutathione S-transferase theta 1 (GSTT1) modifies the association between blood manganese concentrations (BMC) and ASD. After adjusting conditional logistic regression models for socioeconomic status and the interaction between GSTT1 and GSTP1 (glutathione S-transferase pi 1), using a recessive genetic model for GSTT1 and either a co-dominant or dominant model for GSTP1, the interaction between GSTT1 and BMC was significant (P = 0.02, P = 0.01, respectively). Compared to controls, ASD cases with GSTT1-DD genotype had 4.33 and 4.34 times higher odds of BMC > 12 vs. ≤ 8.3 μg/L, respectively. Replication in other populations is warranted.
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Affiliation(s)
- Mohammad H Rahbar
- Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA.
- Division of Clinical and Translational Sciences, Department of Internal Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, 6410 Fannin Street, UT Professional Building, Suite 1100.05, Houston, 77030, TX, USA.
- Biostatistics/Epidemiology/Research Design (BERD) Core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston, 6410 Fannin Street, UT Professional Building, Suite 1100.05, Houston, TX, 77030, USA.
| | - Maureen Samms-Vaughan
- Department of Child & Adolescent Health, The University of the West Indies (UWI), Mona Campus, Kingston, Jamaica
| | - Sepideh Saroukhani
- Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
- Biostatistics/Epidemiology/Research Design (BERD) Core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston, 6410 Fannin Street, UT Professional Building, Suite 1100.05, Houston, TX, 77030, USA
| | - MinJae Lee
- Division of Biostatistics, Department of Population & Data Sciences, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Jing Zhang
- Biostatistics/Epidemiology/Research Design (BERD) Core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston, 6410 Fannin Street, UT Professional Building, Suite 1100.05, Houston, TX, 77030, USA
- Department of Biostatistics & Data Science, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Jan Bressler
- Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
- Human Genetics Center, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Manouchehr Hessabi
- Biostatistics/Epidemiology/Research Design (BERD) Core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston, 6410 Fannin Street, UT Professional Building, Suite 1100.05, Houston, TX, 77030, USA
| | | | - Megan L Grove
- Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
- Human Genetics Center, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Katherine A Loveland
- Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 77054, USA
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Szabo CE, Ilieș RF, Aioanei CS, Catana A, Creț V, Șerban RS, Pop IV. The Role Of Adiponectin, TNF-α And Glutathione In The Pathogenesis And Evolution Of Type 1 Diabetes. Diabetes Metab Syndr Obes 2019; 12:2303-2308. [PMID: 31807043 PMCID: PMC6842282 DOI: 10.2147/dmso.s220133] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 10/03/2019] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION Type 1 diabetes (T1DM) is a chronic autoimmune or idiopathic condition, featuring complex and unique interactions between proteins and enzyme systems. The purpose of the present study is to investigate the role of AdipoQ +276G>T, TNF-α-308G>A, GSTT1/GSTM1 polymorphic variants in the development of T1DM. MATERIALS AND METHODS The study is designed as a cross-sectional study, involving 72 diabetic cases and 90 controls. Genotyping was carried out according to specific protocols for the above-mentioned polymorphic variants. RESULTS The G allele of AdipoQ was associated with the development of type 1 diabetes (OR 0.577, CI95% 0.336-0.802, p=0.001), similar to the GG and GA genotypes (OR 0.405, CI95% 0.156-0.654, p=0.001 and OR 0.623, CI95% 0.401-0.855, p=0.004). The G allele of TNF-α was marginally associated with the development of type 1 diabetes (OR 0.789, CI95% 0.579-0.956, p=0.005). The presence of the T1 genotype was a strong predictor for type 1 diabetes (OR 3.4, CI95% 1.433-6.243, p<0.001). CONCLUSION The results of our study suggest that G alleles of AdipoQ and TNFα act as a protective factor in T1DM, while the T1 allele for GST could be considered a risk factor for the development of Type 1 diabetes in our study group.
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Affiliation(s)
- Csilla Enikő Szabo
- Department of Pediatrics I, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
- Pediatric Clinic I, Pediatric Emergency Hospital, Cluj-Napoca, Romania
- Correspondence: Csilla Enikő Szabo Department of Pediatrics I, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania Email
| | - Roxana Flavia Ilieș
- Department of Medical Genetics, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Casian Simon Aioanei
- Department of Medical Genetics, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Andreea Catana
- Department of Medical Genetics, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Victoria Creț
- Pediatric Clinic I, Pediatric Emergency Hospital, Cluj-Napoca, Romania
| | - Radu Sorin Șerban
- Department of Pediatrics I, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
- Pediatric Clinic I, Pediatric Emergency Hospital, Cluj-Napoca, Romania
| | - Ioan Victor Pop
- Department of Medical Genetics, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
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Srivastava DSL, Jain VK, Verma P, Yadav JP. Polymorphism of glutathione S-transferase M1 and T1 genes and susceptibility to psoriasis disease: A study from North India. Indian J Dermatol Venereol Leprol 2018; 84:39-44. [PMID: 29067933 DOI: 10.4103/ijdvl.ijdvl_1128_16] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
BACKGROUND Increased oxidative stress and resulting inflammation has been emphasized as a factor in the pathogenesis of many diseases including psoriasis. Glutathione S-transferases (GSTs) protect against oxidative stress, inflammation, and genotoxicity. Polymorphisms in the GST genes may lead to an imbalance in pro- and antioxidant systems resulting in the increased production of reactive oxygen species that could influence the pathogenesis of psoriasis. AIM The aim of this study was to investigate the association between GSTs (GSTM1 and GSTT1) gene polymorphism in patients with chronic plaque psoriasis as a factor in the susceptibility and development of psoriasis. MATERIALS AND METHODS We assessed 128 patients with psoriasis and 250 age- and sex-matched healthy controls. Genomic DNA was extracted from peripheral blood by the phenol chloroform method. The null GSTT1 and GSTM1 genotypes were identified by multiplex polymerase chain reaction (PCR) method. RESULTS The null genotype of GSTM1 and GSTT1 was seen in 45.3% and 40.6% in psoriasis patients whereas in the controls it was 34.4% and 20.0%, respectively. A significant association was seen between the null alleles of the GSTT1 (OR = 2.74) and GSTM1 (OR = 1.58) alone or in combination with tobacco use (P < 0.001) and psoriasis risk. The presence of both null genotypes of GSTM1 and GSTT1 further increased the risk of psoriasis (OR = 3.52) when compared with the positive genotypes of GSTM1 and GSTT1. LIMITATIONS A major limitation of this study was the small sample size. A large epidemiological study is necessary to confirm these findings. CONCLUSIONS The null genotype of GSTT1 is a strong predisposing factor for psoriasis in North India.
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Affiliation(s)
| | - Vijay K Jain
- Department of Skin and VD, Pt. B.D. Sharma PGIMS, Rohtak, Haryana, India
| | - Poonam Verma
- Department of Skin and VD, Pt. B.D. Sharma PGIMS, Rohtak, Haryana, India
| | - Jaya P Yadav
- Department of Genetics, M.D. University, Rohtak, Haryana, India
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Snahnicanova Z, Mendelova A, Grendar M, Holubekova V, Kostkova M, Pozorciakova K, Jancinová M, Kasubova I, Vojtkova J, Durdik P, Lasabova Z, Ciljakova M, Banovcin P. Association of Polymorphisms in CYBA, SOD1, and CAT Genes with Type 1 Diabetes and Diabetic Peripheral Neuropathy in Children and Adolescents. Genet Test Mol Biomarkers 2018; 22:413-419. [PMID: 29924645 DOI: 10.1089/gtmb.2018.0018] [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: 11/13/2022] Open
Abstract
AIMS The aim of our study was to investigate possible associations between three SNPs: rs4673 in the CYBA gene; rs1041740 in the SOD1 gene; and rs1001179 in the CAT gene, and type 1 diabetes (T1D) or diabetic peripheral neuropathy (DPN) in T1D patients. MATERIALS AND METHODS Allelic variants of the selected SNPs were determined by allelic discrimination assays in 114 T1D patients enrolled in the study group and in 90 healthy individuals from a control group. Associations between each of the three SNPs were tested in subgroups of T1D patients divided according to the presence of DPN. RESULTS The TT genotype of rs4673 in the CYBA gene was associated with DPN in T1D patients (OR 4.997, 95% CI 1.403-19.083, p = 0.016). Weak significance was observed for a protective effect of the TT genotype of rs1041740 in the SOD1 gene relative to T1D development (OR 0.318, 95% CI 0.092-0.959, p = 0.056). There was no significant association between the CAT gene SNP rs1001179 and T1D or DPN. CONCLUSION We showed a strong association of the CYBA polymorphism rs4673 with DPN in Slovak children and adolescents with T1D. Further studies are necessary to assess the relationship between rs1041740 and T1D or DPN.
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Affiliation(s)
- Zuzana Snahnicanova
- 1 Pediatric Department, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia .,2 Division of Oncology, Biomedical Center Martin JFM CU, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia
| | - Andrea Mendelova
- 3 Division of Molecular Medicine, Biomedical Center Martin JFM CU, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia
| | - Marian Grendar
- 4 Bioinformatic Unit, Biomedical Center Martin JFM CU, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia
| | - Veronika Holubekova
- 2 Division of Oncology, Biomedical Center Martin JFM CU, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia
| | - Martina Kostkova
- 1 Pediatric Department, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia
| | - Katarina Pozorciakova
- 1 Pediatric Department, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia
| | - Maria Jancinová
- 1 Pediatric Department, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia
| | - Ivana Kasubova
- 2 Division of Oncology, Biomedical Center Martin JFM CU, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia
| | - Jarmila Vojtkova
- 1 Pediatric Department, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia
| | - Peter Durdik
- 1 Pediatric Department, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia
| | - Zora Lasabova
- 2 Division of Oncology, Biomedical Center Martin JFM CU, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia
| | - Miriam Ciljakova
- 1 Pediatric Department, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia
| | - Peter Banovcin
- 1 Pediatric Department, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava , Martin, Slovakia
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Barseem N, Elsamalehy M. Gene Polymorphisms of Glutathione S-Transferase T1/M1 in Egyptian Children and Adolescents with Type 1 Diabetes Mellitus. J Clin Res Pediatr Endocrinol 2017; 9:138-143. [PMID: 27908841 PMCID: PMC5463286 DOI: 10.4274/jcrpe.3690] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Accepted: 11/23/2016] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVE Oxidative stress plays an important role in the pathogenesis of type 1 diabetes mellitus (T1DM). To evaluate the association of glutathione S-transferase mu 1 (GST M1) and glutathione S-transferase theta 1 (GST T1) polymorphisms with development of T1DM and disease-related risk factors. METHODS Measurement of fasting glucose, serum creatinine, lipid profile, and glycosylated hemoglobin (HbA1c), as well as evaluation of GST T1 and M1 genetic polymorphisms using polymerase chain reaction were done in 64 diabetic children and 41 controls. RESULTS The diabetic group had significantly higher fasting glucose, HbA1c, and cholesterol levels. GST T1 null genotype was more frequent in the diabetic than the control group with 4.2-fold increased risk of T1DM (odds ratio=4.2; 95% confidence interval=1.6-11.5; p=0.03). Significant positive associations were found with lipid profile, HbA1c, and duration of illness but not with age, age at onset, and body mass index. CONCLUSION Gene polymorphisms of the enzyme GST are associated with development of T1DM and disease-related risk factors.
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Affiliation(s)
- Naglaa Barseem
- Menoufia University Faculty of Medicine, Department of Pediatrics, Shibin Elkom, Egypt, E-mail:
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Solak B, Karkucak M, Turan H, Ocakoğlu G, Özemri Sağ Ş, Uslu E, Yakut T, Erdem T. Glutathione S-Transferase M1 and T1 Gene Polymorphisms in Patients with Chronic Plaque-Type Psoriasis: A Case-Control Study. Med Princ Pract 2016; 25:155-8. [PMID: 26535568 PMCID: PMC5588339 DOI: 10.1159/000442165] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Accepted: 11/03/2015] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVE To determine the role of glutathione S-transferase (GST) isoenzyme polymorphisms as susceptibility factors in patients with psoriasis in a Turkish cohort. SUBJECTS AND METHODS In this case-control study, 105 patients with plaque-type psoriasis and 102 healthy controls were recruited from the dermatology outpatient clinics of two university hospitals. Genomic DNA was extracted from whole blood using a DZ DNA isolation kit. Multiplex PCR was used to determine GSTM1 and GSTT1 polymorphisms in the isolated DNAs. RESULTS Of the 150 patients with psoriasis, 83 (79%) were identified with the GSTT1 genotype and 22 (21%) with the null genotype. Of the 102 patients in the control group, 69 (67.6%) subjects were identified with the GSTT1 genotype and 33 (32.4%) with the null genotype. There was no significant difference between the patient and control groups (p = 0.063). Regarding the GSTM1 polymorphism, 54 (51.4%) patients were identified with this genotype and 51 (48.6%) with the null genotype; in the control group, 50 (49%) were identified with this genotype and 52 (51%) with the null genotype. Again there was no statistically significant difference between the groups (p = 0.957). CONCLUSION In this Turkish cohort of patients with psoriasis, neither GSTT1 nor GSTM1 polymorphisms were associated with disease susceptibility. Larger studies with a wider range of GST isoenzyme are needed.
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Affiliation(s)
- Berna Solak
- Department of Dermatology, School of Medicine, Sakarya University, Bursa, Turkey
- *Berna Solak, MD, Department of Dermatology, School of Medicine, Sakarya University, Konuralp Street, No:81/1, TR—54000 Sakarya (Turkey), E-Mail
| | - Mutlu Karkucak
- Department of Medical Genetics, Sakarya University Training and Research Hospital, Bursa, Turkey
| | - Hakan Turan
- Department of Dermatology, School of Medicine, Düzce University, Sakarya, and Departments of, Bursa, Turkey
| | - Gökhan Ocakoğlu
- Medical Genetics, School of Medicine, Biostatistics, Bursa, Turkey
| | - Şebnem Özemri Sağ
- Medical Genetics, School of Medicine, Uludağ University, Bursa, Turkey
| | - Esma Uslu
- Department of Dermatology, School of Medicine, Düzce University, Sakarya, and Departments of, Bursa, Turkey
| | - Tahsin Yakut
- Medical Genetics, School of Medicine, Uludağ University, Bursa, Turkey
| | - Teoman Erdem
- Department of Dermatology, School of Medicine, Sakarya University, Bursa, Turkey
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Influence of GSTM1, GSTT1, and GSTP1 Polymorphisms on Type 2 Diabetes Mellitus and Diabetic Sensorimotor Peripheral Neuropathy Risk. DISEASE MARKERS 2015; 2015:638693. [PMID: 26435566 PMCID: PMC4578743 DOI: 10.1155/2015/638693] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/19/2015] [Accepted: 08/26/2015] [Indexed: 12/29/2022]
Abstract
BACKGROUND AND AIMS Diabetic neuropathy is a frequent complication of type 2 diabetes mellitus (T2DM). Genetic susceptibility and oxidative stress may play a role in the appearance of T2DM and diabetic neuropathy. We investigated the relation between polymorphism in genes related to oxidative stress such as GSTM1, GSTT1, and GSTP1 and the presence of T2DM and diabetic neuropathy (DN). METHODS Samples were collected from 84 patients with T2DM (42 patients with DN and 42 patients without DN) and 98 healthy controls and genotyped by using polymerase chain reaction and restriction fragment length polymorphism method. RESULTS GSTP1 Ile105Val polymorphism was associated with the risk of developing T2DM (p = 0.05) but not with the risk of developing DN in diabetic cases. GSTM1 and GSTT1 gene polymorphisms were associated with neither the risk of developing T2DM nor the risk of DN occurrence in diabetic patients. No association was observed between the patients with T2DM and DSPN (diabetic sensorimotor peripheral neuropathy) and T2DM without DSPN regarding investigated polymorphism. CONCLUSION Our data suggest that GSTP1 gene polymorphisms may contribute to the development of T2DM in Romanian population. GSTM1, GSTT1, and GSTP1 gene polymorphisms are not associated with susceptibility of developing diabetic neuropathy in T2DM patients.
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Yuan L, Ma W, Liu J, Meng L, Liu J, Li S, Han J, Liu Q, Feng L, Wang C, Xiao R. Effects of GSTM1/GSTT1 gene polymorphism and fruit & vegetable consumption on antioxidant biomarkers and cognitive function in the elderly: a community based cross-sectional study. PLoS One 2014; 9:e113588. [PMID: 25420021 PMCID: PMC4242636 DOI: 10.1371/journal.pone.0113588] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Accepted: 10/27/2014] [Indexed: 01/01/2023] Open
Abstract
Background It was reported that Glutathione S-transferase (GST) gene polymorphism and fruit and vegetable (FV) intake were associated with body antioxidant capacity. The oxidative/anti-oxidative imbalance played an important role in the pathogenesis of AD. However, the association of GST genotype, dietary FV consumption with body antioxidant biomarkers and cognitive function in the elderly is not clear. Objective The aim of the present study was to determine the association of GST genotype, and dietary FV intake, with antioxidant biomarkers and cognitive function in the elderly. Methods Food frequency questionnaire was used to collect data of dietary FV intakes in 504 community dwelling elderly aged from 55 to 75 years old. GSTM1 and GSTT1 genotypes were determined by using multiple-PCR method. Plasma and erythrocyte antioxidant biomarkers were measured. Cognitive function was measured by using Montreal Cognitive Assessment. Statistical analysis was applied for exploring the association of GST genotype and FV intake with antioxidant biomarkers level and cognitive function in the elderly. Results Individual GSTM1 or GSTT1 gene deletion affects body antioxidant biomarkers levels, including erythrocyte GST activity, plasma total antioxidant capacity, and glutathione levels. GSTM1and/or GSTT1 gene deletion have no effects on cognitive function in the surveyed participants. The effect of GST genotype on antioxidant biomarkers are FV intake dependent. There is interaction of FV intake and GST genotype on cognitive function in the elderly. Conclusion GST genotype or daily FV consumption impact body antioxidant biomarkers, but not cognitive function in the elderly. There were combined effects of GST genotype and FV consumption on cognitive function in the elderly population. Large scale perspective population study is required to explore the association of GST genetic polymorphism, FV consumption and antioxidant biomarkers and cognitive function in the elderly.
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Affiliation(s)
- Linhong Yuan
- School of Public Health, Capital Medical University, Beijing, P.R.China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, P.R. China
| | - Weiwei Ma
- School of Public Health, Capital Medical University, Beijing, P.R.China
| | - Jinmeng Liu
- School of Public Health, Capital Medical University, Beijing, P.R.China
| | - Liping Meng
- Institute of Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing, P.R. China
| | - Jixia Liu
- Nanyuan Community Health Service Center of Fengtai District, Beijing, P.R. China
| | - Shuang Li
- Nanyuan Community Health Service Center of Fengtai District, Beijing, P.R. China
| | - Jing Han
- School of Public Health, Capital Medical University, Beijing, P.R.China
| | - Quanri Liu
- School of Public Health, Capital Medical University, Beijing, P.R.China
| | - Lingli Feng
- School of Public Health, Capital Medical University, Beijing, P.R.China
| | - Chao Wang
- School of Public Health, Capital Medical University, Beijing, P.R.China
| | - Rong Xiao
- School of Public Health, Capital Medical University, Beijing, P.R.China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, P.R. China
- * E-mail:
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