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Nakanishi G, Pita-Oliveira M, Bertagnolli LS, Torres-Loureiro S, Scudeler MM, Cirino HS, Chaves ML, Miwa B, Rodrigues-Soares F. Worldwide Systematic Review of GSTM1 and GSTT1 Null Genotypes by Continent, Ethnicity, and Therapeutic Area. OMICS : A JOURNAL OF INTEGRATIVE BIOLOGY 2022; 26:528-541. [PMID: 36112350 DOI: 10.1089/omi.2022.0090] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Glutathione S-transferase Mu 1 (GSTM1) and glutathione S-transferase theta 1 (GSTT1) enzymes are glutathione-S-transferases with broad significance for susceptibility or resistance to multifactorial human diseases, as well as detoxification of environmental chemicals and drugs. Moreover, some individuals may have a complete deletion of GSTM1 and GSTT1 genes, which can contribute to patient-to-patient variability in drug safety and efficacy. GSTM1 and GSTT1 gene deletion frequencies can vary according to ethnicity and continental origin of the studied population with implications for achieving the goal of precision/personalized medicine in clinical practice. We report here a worldwide systematic review of the null genotypes in these two clinically important genes by continents, ethnicities, and therapeutic areas (TAs). Searches were performed in the PubMed database covering the period from 1992 to 2020. Out of the 1925 articles included, most studies analyzed European individuals, corroborating the literature failure for not adequately considering the non-European ethnicities. The frequency of GSTM1 and GSTT1 null genotypes was higher in patients than in healthy volunteers. Conversely, in East Asians, higher frequencies of the null genotypes were observed in healthy volunteers than patients. Oncology was the most intensively studied TA (57% of the articles) in relation to GSTM1 and GSTT1. In all, these results demonstrate that there is an important gap in the literature in terms of failure to consider a broader range of populations, as well as diseases wherein GSTM1 and GSTT1 variations have clinical and biological implications. To achieve precision/personalized medicine on a global/worldwide scale, with equity and inclusiveness, this knowledge/research gap ought to be remedied in studies of GSTM1 and GSTT1 null genotypes. To the best of our knowledge, this is the largest systematic review conducted to date addressing the GSTM1 and GSTT1 null genotypes worldwide. The analyses from the 1925 articles highlighted the current knowledge gaps in different TAs, ethnicities, and populations. Filling these gaps is of importance, given the role these genes play in relation to the metabolism of substances to which we have frequent contact with, the associations observed between their deletion and diseases such as cancer, in addition to the interethnic differences observed for the deletion frequencies of these genes.
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Affiliation(s)
- Giovana Nakanishi
- Departamento de Patologia, Genética e Evolução, Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil
| | - Murilo Pita-Oliveira
- Departamento de Patologia, Genética e Evolução, Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil
| | - Laísa S Bertagnolli
- Departamento de Patologia, Genética e Evolução, Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil
| | - Sabrina Torres-Loureiro
- Departamento de Patologia, Genética e Evolução, Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil
| | - Mariana M Scudeler
- Departamento de Patologia, Genética e Evolução, Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil
| | - Heithor S Cirino
- Departamento de Patologia, Genética e Evolução, Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil
| | - Maria Laura Chaves
- Departamento de Patologia, Genética e Evolução, Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil
| | - Bruno Miwa
- Departamento de Patologia, Genética e Evolução, Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil
| | - Fernanda Rodrigues-Soares
- Departamento de Patologia, Genética e Evolução, Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil
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Frequencies of glutathione S-transferase A1 rs3957357 polymorphism in a Turkish population. JOURNAL OF SURGERY AND MEDICINE 2021. [DOI: 10.28982/josam.871071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Caramujo-Balseiro S, Faro C, Carvalho L. Metabolic pathways in sporadic colorectal carcinogenesis: A new proposal. Med Hypotheses 2021; 148:110512. [PMID: 33548761 DOI: 10.1016/j.mehy.2021.110512] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 01/09/2021] [Accepted: 01/22/2021] [Indexed: 02/07/2023]
Abstract
Given the reports made about geographical differences in Colorectal Cancer (CRC) occurrence, suggesting a link between dietary habits, genes and cancer risk, we hypothesise that there are four fundamental metabolic pathways involved in diet-genes interactions, directly implicated in colorectal carcinogenesis: folate metabolism; lipid metabolism; oxidative stress response; and inflammatory response. Supporting this hypothesis are the evidence given by the significant associations between several diet-genes polymorphisms and CRC, namely: MTHFR, MTR, MTRR and TS (involved in folate metabolism); NPY, APOA1, APOB, APOC3, APOE, CETP, LPL and PON1 (involved in lipid metabolism); MNSOD, SOD3, CAT, GSTP1, GSTT1 and GSTM1 (involved in oxidative stress response); and IL-1, IL-6, TNF-α, and TGF-β (involved in inflammatory response). We also highlight the association between some foods/nutrients/nutraceuticals that are important in CRC prevention or treatment and the four metabolic pathways proposed, and the recent results of genome-wide association studies, both assisting our hypothesis. Finally, we propose a new line of investigation with larger studies, using accurate dietary biomarkers and investigating the four metabolic pathways genes simultaneously. This line of investigation will be essential to understand the full complexity of the association between nature and nurture in CRC and perhaps in other types of cancers. Only with this in-depth knowledge will it be possible to make personalised nutrition recommendations for disease prevention and management.
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Affiliation(s)
- Sandra Caramujo-Balseiro
- Institute of Anatomical and Molecular Pathology, Faculty of Medicine - University of Coimbra, Coimbra, Portugal; Department of Life Sciences - University of Coimbra, Coimbra, Portugal.
| | - Carlos Faro
- Department of Life Sciences - University of Coimbra, Coimbra, Portugal; UC Biotech, Cantanhede, Portugal
| | - Lina Carvalho
- Institute of Anatomical and Molecular Pathology, Faculty of Medicine - University of Coimbra, Coimbra, Portugal
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Chang Y, Wang F, Yang Y, Zhang Y, Muhammad I, Li R, Li C, Li Y, Shi C, Ma X, Hao B, Liu F. Acetaminophen‐induced hepatocyte injury: C2‐ceramide and oltipraz intervention, hepatocyte nuclear factor 1 and glutathione
S
‐transferase A1 changes. J Appl Toxicol 2019; 39:1640-1650. [DOI: 10.1002/jat.3881] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Revised: 07/02/2019] [Accepted: 07/06/2019] [Indexed: 12/20/2022]
Affiliation(s)
- Yicong Chang
- Department of Basic Veterinary Science, College of Veterinary MedicineNortheast Agricultural University Harbin People's Republic of China
| | - Feng Wang
- Department of Basic Veterinary Science, College of Veterinary MedicineNortheast Agricultural University Harbin People's Republic of China
| | - Yang Yang
- Department of Basic Veterinary Science, College of Veterinary MedicineNortheast Agricultural University Harbin People's Republic of China
| | - Yuanyuan Zhang
- Department of Basic Veterinary Science, College of Veterinary MedicineNortheast Agricultural University Harbin People's Republic of China
| | - Ishfaq Muhammad
- Department of Basic Veterinary Science, College of Veterinary MedicineNortheast Agricultural University Harbin People's Republic of China
| | - Rui Li
- Department of Basic Veterinary Science, College of Veterinary MedicineNortheast Agricultural University Harbin People's Republic of China
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development Harbin People's Republic of China
| | - Changwen Li
- Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences Harbin People's Republic of China
| | - Ying Li
- Department of Basic Veterinary Science, College of Veterinary MedicineNortheast Agricultural University Harbin People's Republic of China
| | - Chenxi Shi
- Department of Basic Veterinary Science, College of Veterinary MedicineNortheast Agricultural University Harbin People's Republic of China
| | - Xin Ma
- Department of Basic Veterinary Science, College of Veterinary MedicineNortheast Agricultural University Harbin People's Republic of China
| | - Beili Hao
- Department of Basic Veterinary Science, College of Veterinary MedicineNortheast Agricultural University Harbin People's Republic of China
| | - Fangping Liu
- Department of Basic Veterinary Science, College of Veterinary MedicineNortheast Agricultural University Harbin People's Republic of China
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development Harbin People's Republic of China
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Ghorbel R, Ben Salah G, Ghorbel R, Ben Mahmoud A, Chamkha I, Mkaouar-Rebai E, Ammar-Keskes L, Fakhfakh F. Do GSTM1 and GSTT1 polymorphisms influence the risk of developing mitochondrial diseases in a Tunisian population? ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:5779-5787. [PMID: 29235020 DOI: 10.1007/s11356-017-0775-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 11/15/2017] [Indexed: 06/07/2023]
Abstract
Mitochondria play an essential role to supply the cell with metabolic energy in the form of adenosine triphosphate (ATP) through oxidative phosphorylation (OXPHOS). As a consequence, they are also the primary source of cellular reactive oxygen species (ROS) which can cause oxidative damage of individual respiratory chain complexes. Indeed, affected OXPHOS subunits result in decreases in ATP production and increases in ROS formation which generate oxidative phosphorylation deficiency leading to mitochondrial dysfunctions. It has been suggested that ROS play a vital role in the pathogenesis of mitochondrial diseases. To the best of our knowledge, this is the first study which aimed to investigate the genetic variant effect of the antioxidant enzymes GSTM1 and GSTT1 on mitochondrial disease among a Tunisian population. In this report, 109 patients with mitochondrial disease and 154 healthy controls were genotyped by multiplex PCR amplification, and data were analyzed by SPSS v20 software. The results showed that GSTM1 null genotype was found to be associated with mitochondrial disease with a protective effect; however, no significant association of GSTT1 polymorphism with mitochondrial disease risk was revealed. But, interestingly, our findings highlight that GSTM1 active and GSTT1 null genotype combination increased by three fold the risk of developing mitochondrial disease with p c = 0.020, notably mitochondrial myopathy with p c = 0.046 and Leigh syndrome with p c = 0.042. In conclusion, this study suggests that GSTM1 active and GSTT1 null genotype combination might be a risk factor in developing mitochondrial disease.
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Affiliation(s)
- Raouia Ghorbel
- Laboratory of Human Molecular Genetics, Faculty of Medicine of Sfax, University of Sfax, Sfax, Tunisia.
| | - Ghada Ben Salah
- Unaizah Pharmacy College, Qassim University, Al-Qassim, Saudi Arabia
| | - Rania Ghorbel
- Laboratory of Human Molecular Genetics, Faculty of Medicine of Sfax, University of Sfax, Sfax, Tunisia
| | - Afif Ben Mahmoud
- Laboratory of Human Molecular Genetics, Faculty of Medicine of Sfax, University of Sfax, Sfax, Tunisia
| | - Imen Chamkha
- Department of Mitochondrial Medicine, Lund University, Lund, Sweden
| | - Emna Mkaouar-Rebai
- Laboratory of Molecular and Functional Genetics, Faculty of Sciences of Sfax, University of Sfax, Sfax, Tunisia
| | - Leila Ammar-Keskes
- Laboratory of Human Molecular Genetics, Faculty of Medicine of Sfax, University of Sfax, Sfax, Tunisia
| | - Faiza Fakhfakh
- Laboratory of Molecular and Functional Genetics, Faculty of Sciences of Sfax, University of Sfax, Sfax, Tunisia
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Li R, Liu F, Chang Y, Ma X, Li M, Li C, Shi C, He J, Li Y, Li Z, Lin Y, Han Q, Zhao Y, Wang D. Glutathione S-transferase A1 (GSTA1) as a marker of acetaminophen-induced hepatocyte injury in vitro. Toxicol Mech Methods 2017; 27:401-407. [DOI: 10.1080/15376516.2017.1320457] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Rui Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China
| | - Fangping Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China
| | - Yicong Chang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China
| | - Xin Ma
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China
| | - Minmin Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China
| | - Changwen Li
- Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, PR China
| | - Chenxi Shi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China
| | - Jingshan He
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China
| | - Ying Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China
| | - Zhi Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China
| | - Yuexia Lin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China
| | - Qing Han
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China
| | - Yulin Zhao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China
| | - Dening Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China
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Doukali H, Ben Salah G, Hamdaoui L, Hajjaji M, Tabebi M, Ammar-Keskes L, Masmoudi ME, Kamoun H. Oxidative stress and glutathione S-transferase genetic polymorphisms in medical staff professionally exposed to ionizing radiation. Int J Radiat Biol 2017; 93:697-704. [PMID: 28287017 DOI: 10.1080/09553002.2017.1305132] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
PURPOSE Ionizing radiation (IR) is considered as a diagnostic and therapeutic tool in medicine. However, chronic occupational exposure of medical staff to IR may affect the antioxidant status and, as a result, DNA damage and cancers as well. The objective of our study was to evaluate the oxidative stress profile caused by IR in 29 Tunisian medical staff from radiology and radiotherapy departments, and to find an association between the GSTM1 null, GSTT1 null, and GSTP1 Ile105Val polymorphisms and oxidative stress biomarkers. MATERIALS AND METHODS The oxidant biomarkers malondialdehyde (MDA) and advanced oxidation protein product (AOPP) and the activities of the antioxidant superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase (CAT) enzymes were spectrophotometrically determined in erythrocytes hemolysates. The analysis of GSTT1 null, GSTM1 null, and GSTP1 Ile105Val polymorphisms was determined for each participant using PCR methods. RESULTS A significant increase of white blood cell (WBC) numbers (p < .05) and a significant decrease by 11% of hemoglobin (Hb) (p < .01) were noted in the exposed subjects in our study. Moreover, we report a significant increase of MDA level and the activities of SOD and CAT enzymes of the IR-exposed group compared to controls (p < .001). Interestingly, a close association was noted between the genotypes GSTP1 low active, GSTT1 null, GSTM1 null, and both GSTT1/GSTM1 null and oxidative stress biomarkers, especially with MDA level, SOD, and CAT activities. CONCLUSIONS Our findings indicate that the medical staff exposed to low IR levels were under risk of significant oxidative stress that was enhanced by their glutathione S-transferase (GST) polymorphisms.
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Affiliation(s)
- Hajer Doukali
- a Laboratory of Human Molecular Genetics, Faculty of Medicine , University of Sfax , Sfax , Tunisia.,b Department of Medical Genetics , Hedi Chaker Hospital , Sfax , Tunisia
| | - Ghada Ben Salah
- a Laboratory of Human Molecular Genetics, Faculty of Medicine , University of Sfax , Sfax , Tunisia.,c Unaizah College of Pharmacy , Qassim University , Alqassim , Saudi Arabia
| | - Latifa Hamdaoui
- d Histology, Embryology Laboratory, Faculty of Medicine , University of Sfax , Sfax , Tunisia
| | - Mounira Hajjaji
- d Histology, Embryology Laboratory, Faculty of Medicine , University of Sfax , Sfax , Tunisia
| | - Mouna Tabebi
- a Laboratory of Human Molecular Genetics, Faculty of Medicine , University of Sfax , Sfax , Tunisia
| | - Leila Ammar-Keskes
- a Laboratory of Human Molecular Genetics, Faculty of Medicine , University of Sfax , Sfax , Tunisia
| | | | - Hassen Kamoun
- a Laboratory of Human Molecular Genetics, Faculty of Medicine , University of Sfax , Sfax , Tunisia.,b Department of Medical Genetics , Hedi Chaker Hospital , Sfax , Tunisia
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Sharma A, Gupta S, Sodhani P, Singh V, Sehgal A, Sardana S, Mehrotra R, Sharma JK. Glutathione S-transferase M1 and T1 Polymorphisms, Cigarette Smoking and HPV Infection in Precancerous and Cancerous Lesions of the Uterine Cervix. Asian Pac J Cancer Prev 2015; 16:6429-38. [DOI: 10.7314/apjcp.2015.16.15.6429] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Kasthurinaidu SP, Ramasamy T, Ayyavoo J, Dave DK, Adroja DA. GST M1-T1 null allele frequency patterns in geographically assorted human populations: a phylogenetic approach. PLoS One 2015; 10:e0118660. [PMID: 25867025 PMCID: PMC4395045 DOI: 10.1371/journal.pone.0118660] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 01/08/2015] [Indexed: 12/15/2022] Open
Abstract
Genetic diversity in drug metabolism and disposition is mainly considered as the outcome of the inter-individual genetic variation in polymorphism of drug-xenobiotic metabolizing enzyme (XME). Among the XMEs, glutathione-S-transferases (GST) gene loci are an important candidate for the investigation of diversity in allele frequency, as the deletion mutations in GST M1 and T1 genotypes are associated with various cancers and genetic disorders of all major Population Affiliations (PAs). Therefore, the present population based phylogenetic study was focused to uncover the frequency distribution pattern in GST M1 and T1 null genotypes among 45 Geographically Assorted Human Populations (GAHPs). The frequency distribution pattern for GST M1 and T1 null alleles have been detected in this study using the data derived from literatures representing 44 populations affiliated to Africa, Asia, Europe, South America and the genome of PA from Gujarat, a region in western India. Allele frequency counting for Gujarat PA and scattered plot analysis for geographical distribution among the PAs were performed in SPSS-21. The GST M1 and GST T1 null allele frequencies patterns of the PAs were computed in Seqboot, Gendist program of Phylip software package (3.69 versions) and Unweighted Pair Group method with Arithmetic Mean in Mega-6 software. Allele frequencies from South African Xhosa tribe, East African Zimbabwe, East African Ethiopia, North African Egypt, Caucasian, South Asian Afghanistan and South Indian Andhra Pradesh have been identified as the probable seven patterns among the 45 GAHPs investigated in this study for GST M1-T1 null genotypes. The patternized null allele frequencies demonstrated in this study for the first time addresses the missing link in GST M1-T1 null allele frequencies among GAHPs.
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Affiliation(s)
- Senthilkumar Pitchalu Kasthurinaidu
- Department of Biotechnology, Shree M. & N. Virani Science College, Rajkot, Gujarat, 360 005, India
- Department of Plant Biotechnology, School of Biotechnology, Madurai Kamaraj University, Madurai, Tamilnadu, 625 021, India
| | - Thirumurugan Ramasamy
- Department of Animal Science, School of Life Sciences, Bharathidasan University, Tiruchirappalli, Tamilnadu, 620 024, India
- * E-mail: (TR)
| | - Jayachitra Ayyavoo
- Department of Plant Biotechnology, School of Biotechnology, Madurai Kamaraj University, Madurai, Tamilnadu, 625 021, India
| | - Dhvani Kirtikumar Dave
- Department of Biotechnology, Shree M. & N. Virani Science College, Rajkot, Gujarat, 360 005, India
| | - Divya Anantray Adroja
- Department of Biotechnology, Shree M. & N. Virani Science College, Rajkot, Gujarat, 360 005, India
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Gender-dependent effect of GSTM1 genotype on childhood asthma associated with prenatal tobacco smoke exposure. BIOMED RESEARCH INTERNATIONAL 2014; 2014:769452. [PMID: 25328891 PMCID: PMC4189933 DOI: 10.1155/2014/769452] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Accepted: 08/19/2014] [Indexed: 02/03/2023]
Abstract
It remains unclear whether the GSTM1 genotype interacts with tobacco smoke exposure (TSE) in asthma development. This study aimed to investigate the interactions among GSTM1 genotype, gender, and prenatal TSE with regard to childhood asthma development. In a longitudinal birth cohort in Taiwan, 756 newborns completed a 6-year follow-up, and 591 children with DNA samples available for GSTM1 genotyping were included in the study, and the interactive influences of gender-GSTM1 genotyping-prenatal TSE on childhood asthma development were analyzed. Among these 591 children, 138 (23.4%) had physician-diagnosed asthma at 6 years of age, and 347 (58.7%) were null-GSTM1. Prenatal TSE significantly increased the prevalence of childhood asthma in null-GSTM1 children relative to those with positive GSTM1. Further analysis showed that prenatal TSE significantly increased the risk of childhood asthma in girls with null-GSTM1. Furthermore, among the children without prenatal TSE, girls with null-GSTM1 had a significantly lower risk of developing childhood asthma and a lower total IgE level at 6 years of age than those with positive GSTM1. This study demonstrates that the GSTM1 null genotype presents a protective effect against asthma development in girls, but the risk of asthma development increases significantly under prenatal TSE.
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Senthilkumar KP, Thirumurugan R. Risk modulation of GSTM1–GSTT1 interactions to head and neck cancer in tobacco users. Mol Biol Rep 2014; 41:5635-44. [PMID: 25015263 DOI: 10.1007/s11033-014-3433-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2013] [Accepted: 05/24/2014] [Indexed: 12/15/2022]
Abstract
Tobacco use and environmental air pollution are the established etiological factors in head and neck cancer (HNC) progression. Nevertheless, not all the inhabitants with high usage of tobacco from the same polluted locality are suffering with HNC and this is due to the existence of factors like inter-individual genetic polymorphisms, life time exposure to tobacco and the rate of xenobiotic metabolism enzyme (XME) activity. The present study investigates the polymorphic genotypes of the most important XME, glutathione-S-transferase Mu 1 (GST M1) and Theta 1 (GST T1) as the risk modulator to HNC among tobacco-habituated inhabitants of Saurashtra in Gujarat, a region in western India. A population based case–control study was done in 252 HNC patients and 504 healthy controls. Blood samples were collected from the subjects and investigated for polymorphic genotypes of GST M1 and GST T1. Estimation of the odds of risks was done by logistic regressions. Among the subjects with high usage of tobacco, M1 not null-T1 null genotypes presence was found as risk reducing factor to HNC with 0.334 folds (95 % CI; 0.170-0.659). The presence of M1 null-T1 not null genotypes was found with susceptibility to HNC among the subjects with no habit of tobacco chewing, adjusted odds ratio (AOR) 3.170 (1.128-8.913) and no habit of smoking, AOR of 2.544 (1.094-5.963). The present study reveals the finding of significantly increased risk to HNC by interactions of GST M1 null-GST T1 not null polymorphic genotypes among the subjects with nil or less tobacco usage shed some light for the insights of biomarker application in early detection of HNC.
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Khlifi R, Ben Salah G, Chakroun A, Hamza-Chaffai A, Rebai A. Inter-ethnic differences in genetic polymorphisms of xenobiotic-metabolizing enzymes (CYP1A1, CYP2D6, NAT1 and NAT2) in healthy populations: correlation with the functional in silico prediction. Mol Biol Rep 2014; 41:5735-43. [PMID: 24934312 DOI: 10.1007/s11033-014-3445-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Accepted: 06/03/2014] [Indexed: 10/25/2022]
Abstract
Several studies have shown that many polymorphisms of the xenobiotic-metabolizing enzymes (XME) affect either enzymatic functions or are associated with various aspects of human health. Owing to the presence of these single nucleotide variants (SNVs), differences in detoxification capacity have been observed between many ethnicities. The aim of this investigation was to study the prevalence of four polymorphisms in XME among various ethnic groups. Attention was focused on polymorphisms of CYP2D6 (rs1058172, G>A, p.Arg365His), CYP1A1 (rs4646421, c.-26-728C>T), NAT1 (rs4921880, c.-85-1014T>A) and NAT2 (rs1208, A>G, p.Arg268Lys). These polymorphisms were analyzed in 261 healthy Tunisians individuals in comparison with different ethnic backgrounds from hapmap database. In addition, in silico functional prediction was also performed to determine the loss of function variants. Our results demonstrated that population's origins widely affect the genetic variability of XME enzymes and Tunisians show a characteristic pattern. In silico predictions showed a deleterious effect for p.Arg268Lys substitution on CYP2D6 function, findings confirmed its key role played in cancer susceptibility. These data show that detoxification genes structures depend on the studied population. This suggests that ethnic differences impact on disease risk or response to drugs and therefore should be taken into consideration in genetic association studies focusing on XME enzymes. Our results provide the first report on these SNV in Tunisian population and could be useful for further epidemiological investigations including targeted therapy.
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Affiliation(s)
- Rim Khlifi
- Unit of Marine and Environmental Toxicology, UR 09-03, IPEIS, Sfax University, BP 1172, 3018, Sfax, Tunisia,
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Chiurillo MA, Griman P, Santiago L, Torres K, Moran Y, Borjas L. Distribution of GSTM1, GSTT1, GSTP1 and TP53 disease-associated gene variants in native and urban Venezuelan populations. Gene 2013; 531:106-11. [PMID: 23994684 DOI: 10.1016/j.gene.2013.08.055] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Revised: 08/14/2013] [Accepted: 08/14/2013] [Indexed: 02/06/2023]
Abstract
The contemporary Venezuelan population is the product of major admixture process across various historical events, which has provided it a particular genetic background. The aim of this study concerns the analysis of glutathione S-transferase (GST) GSTM1, GSTP1 and GSTT1 genetic variants and five polymorphisms at the TP53 gene, which are related to cancer susceptibility, in an urban/admixed population and five Amerindian tribes (Bari, Panare, Pemon, Warao and Wayuu) from Venezuela. Genotyping was carried out in 120 individuals from an urban sample and 188 Amerindians. The analysis performed on TP53 haplotype and GST allele distribution showed a close correlation for Pemon and Warao populations, while Bari group appears isolated from the other populations. GSTT1 null variant frequency in our admixed (11%) and native samples (0.0-11.4%) was lower when compared with Caucasians, Africans and Asians. Frequency of the GSTP1*Val cancer-associated allele found in Bari (88.6%) and Panare (63.0%) is of the highest so far reported. Fourteen TP53 haplotypes were observed in the admixed populations, whereas only 3 to 5 in Amerindians. To our knowledge this is the first report of GST polymorphisms and TP53 haplotype distribution in Venezuelans. The distribution of most of analyzed polymorphisms in the urban sample is consistent with the admixed origin of the present-day population of Venezuela. While, the inter-ethnic variations in genetic polymorphisms found in Native American tribes seem to be the result of the influence of demographic factors. These results provide additional data for undertaking ethnographic and disease association studies in Venezuela.
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Affiliation(s)
- Miguel Angel Chiurillo
- Laboratorio de Genetica Molecular, Decanato de Ciencias de la Salud, Universidad Centroccidental Lisandro Alvarado, Barquisimeto, Venezuela.
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14
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Genetic variability of glutathione S-transferase enzymes in human populations: Functional inter-ethnic differences in detoxification systems. Gene 2013; 512:102-7. [DOI: 10.1016/j.gene.2012.09.113] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2012] [Accepted: 09/29/2012] [Indexed: 02/06/2023]
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15
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Raffa M, Lakhdar R, Ghachem M, Barhoumi S, Safar MT, Bel Hadj Jrad B, Haj Khelil A, Kerkeni A, Mechri A. Relationship between GSTM1 and GSTT1 polymorphisms and schizophrenia: a case-control study in a Tunisian population. Gene 2012; 512:282-5. [PMID: 23107768 DOI: 10.1016/j.gene.2012.10.031] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2012] [Revised: 10/12/2012] [Accepted: 10/17/2012] [Indexed: 11/17/2022]
Abstract
There is substantial evidence found in the literature that supports the fact that the presence of oxidative stress may play an important role in the pathophysiology of schizophrenia. The glutathione S-transferases (GSTs) forms one of the major detoxifying groups of enzymes responsible for eliminating products of oxidative stress. Interindividual differences observed in the metabolism of xenobiotics have been attributed to the genetic polymorphism of genes coding for enzymes involved in detoxification. Thus, in this study we investigated the association of glutathione S-transferase Mu-1 (GSTM1) and glutathione S-transferase theta-1 (GSTT1) gene deletion polymorphisms and schizophrenia in a Tunisian population. A case-control study including 138 schizophrenic patients and 123 healthy controls was enrolled. The GSTM1 and GSTT1 polymorphisms were analyzed by multiplex polymerase chain reaction (PCR). No association was found between the GSTM1 genotype and schizophrenia, whereas the prevalence of the GSTT1 active genotype was significantly higher in the schizophrenic patients (57.2%) than in the controls (45.5%) with (OR=0.6, IC 0.37-0.99, p=0.039). Thus, we noted a significant association between schizophrenia and GSTT1 active genotype. Furthermore, the combination of the GSTM1 and GSTT1 null genotypes showed a non-significant trend to an increased risk of schizophrenia. The present finding indicated that GSTT1 seems to be a candidate gene for susceptibility to schizophrenia in at least Tunisian population.
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Affiliation(s)
- Monia Raffa
- Research Laboratory of "Trace elements, free radicals and antioxidants", Biophysical Department, Faculty of Medicine, University of Monastir, 5000 Monastir, Tunisia.
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16
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Cheng HY, You HY, Zhou TB. Relationship between GSTM1/GSTT1 Null Genotypes and Renal Cell Carcinoma Risk: A Meta-Analysis. Ren Fail 2012; 34:1052-7. [PMID: 22880812 DOI: 10.3109/0886022x.2012.708380] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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