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Song Y, Liu X, Luo C, Chen L, Gong L, Yu H, Wang B, Liu E, Xu H, Liang J. Association of GSTP1 Ile105Val polymorphism with the risk of coronary heart disease: An updated meta-analysis. PLoS One 2021; 16:e0254738. [PMID: 34292981 PMCID: PMC8297824 DOI: 10.1371/journal.pone.0254738] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 07/02/2021] [Indexed: 12/06/2022] Open
Abstract
Background Numerous case-control studies have investigated the association between GSTP1 Ile105Val polymorphism and CHD risk, but the results from published studies were inconclusive. The present meta-analysis was performed to derive a more precise estimation. Methods PubMed, EMBASE, and Web of Science database searches were conducted to retrieve relevant articles. Results Ultimately, 5,451 CHD cases and 5,561 controls from 15 studies were included. Pooled analysis did not yield any statistically significant association between GSTP1 Ile105Val polymorphism and CHD risk for the overall population (Val vs. Ile: OR, 1.05; 95% CI, 0.93 to 1.18; Val/Val vs. Ile/Ile: OR, 1.09; 95% CI, 0.83 to 1.42; Val/Ile vs. Ile/Ile: OR, 1.09; 95% CI, 0.93 to 1.28; Val/Val vs. Val/Ile+Ile/Ile: OR, 1.04; 95% CI, 0.83 to 1.30; Val/Val+Val/Ile vs. Ile/Ile: OR, 1.14; 95% CI, 0.97 to 1.33). Subgroup analyses and sensitivity analyses indicated that GSTP1 Ile105Val polymorphism was still not associated with an increased risk of CHD. After excluding studies detected by Galbraith plots as major sources of heterogeneity, these relationships were still not significant. Conclusions The overall results did not reveal a major role of the GSTP1 Ile105Val polymorphism in modulating CHD risk. Well-designed studies with large sample sizes are needed to validate our findings and explore the possible gene-gene or gene-environment interactions.
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Affiliation(s)
- Yadong Song
- Department of Disinfection and Pest Control, Wuhan Centers for Disease Prevention and Control, Wuhan, Hubei, China
- Wuhan Healthcare-associated Infection Management Quality Control Center, Wuhan, Hubei, China
- * E-mail: (YS); (XL)
| | - Xiaoli Liu
- Department of Disinfection and Pest Control, Wuhan Centers for Disease Prevention and Control, Wuhan, Hubei, China
- Wuhan Healthcare-associated Infection Management Quality Control Center, Wuhan, Hubei, China
- * E-mail: (YS); (XL)
| | - Cheng Luo
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Tongji Medical College, Hua Zhong University of Science and Technology, Wuhan, People’s Republic of China
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Wuhan, People’s Republic of China
| | - Liangkai Chen
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Tongji Medical College, Hua Zhong University of Science and Technology, Wuhan, People’s Republic of China
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Wuhan, People’s Republic of China
| | - Lin Gong
- Department of Disinfection and Pest Control, Wuhan Centers for Disease Prevention and Control, Wuhan, Hubei, China
- Wuhan Healthcare-associated Infection Management Quality Control Center, Wuhan, Hubei, China
| | - Hanbin Yu
- Department of Disinfection and Pest Control, Wuhan Centers for Disease Prevention and Control, Wuhan, Hubei, China
- Wuhan Healthcare-associated Infection Management Quality Control Center, Wuhan, Hubei, China
| | - Bin Wang
- Department of Disinfection and Pest Control, Wuhan Centers for Disease Prevention and Control, Wuhan, Hubei, China
- Wuhan Healthcare-associated Infection Management Quality Control Center, Wuhan, Hubei, China
| | - Ernan Liu
- Department of Disinfection and Pest Control, Wuhan Centers for Disease Prevention and Control, Wuhan, Hubei, China
- Wuhan Healthcare-associated Infection Management Quality Control Center, Wuhan, Hubei, China
| | - Huiqiong Xu
- Department of Disinfection and Pest Control, Wuhan Centers for Disease Prevention and Control, Wuhan, Hubei, China
- Wuhan Healthcare-associated Infection Management Quality Control Center, Wuhan, Hubei, China
| | - Jiansheng Liang
- Department of Disinfection and Pest Control, Wuhan Centers for Disease Prevention and Control, Wuhan, Hubei, China
- Wuhan Healthcare-associated Infection Management Quality Control Center, Wuhan, Hubei, China
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Buratti FM, Darney K, Vichi S, Turco L, Di Consiglio E, Lautz LS, Béchaux C, Dorne JLCM, Testai E. Human variability in glutathione-S-transferase activities, tissue distribution and major polymorphic variants: Meta-analysis and implication for chemical risk assessment. Toxicol Lett 2020; 337:78-90. [PMID: 33189831 DOI: 10.1016/j.toxlet.2020.11.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 11/03/2020] [Accepted: 11/06/2020] [Indexed: 02/06/2023]
Abstract
The input into the QIVIVE and Physiologically-Based kinetic and dynamic models of drug metabolising enzymes performance and their inter-individual differences significantly improve the modelling performance, supporting the development and integration of alternative approaches to animal testing. Bayesian meta-analyses allow generating and integrating statistical distributions with human in vitro metabolism data for quantitative in vitro-in vivo extrapolation. Such data are lacking on glutathione-S-transferases (GSTs). This paper reports for the first time results on the human variability of GST activities in healthy individuals, their tissue localisation and the frequencies of their major polymorphic variants by means of extensive literature search, data collection, data base creation and meta-analysis. A limited number of papers focussed on in vivo GST inter-individual differences in humans. Ex-vivo total GST activity without discriminating amongst isozymes is generally reported, resulting in a high inter-individual variability. The highest levels of cytosolic GSTs in humans are measured in the kidney, liver, adrenal glands and blood. The frequencies of GST polymorphisms for cytosolic isozymes in populations of different geographical ancestry were also presented. Bayesian meta-analyses to derive GST-related uncertainty factors provided uncertain estimates, due to the limited database. Considering the relevance of GST activities and their pivotal role in cellular adaptive response mechanisms to chemical stressors, further studies are needed to identify GST probe substrates for specific isozymes and quantify inter-individual differences.
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Affiliation(s)
- Franca Maria Buratti
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy.
| | - Keyvin Darney
- Risk Assessment Department, French Agency for Food, Environmental and Occupational Health & Safety (ANSES), 14 rue Pierre et Marie Curie, Maisons-Alfort, F-94700, France
| | - Susanna Vichi
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Laura Turco
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Emma Di Consiglio
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Leonie S Lautz
- Risk Assessment Department, French Agency for Food, Environmental and Occupational Health & Safety (ANSES), 14 rue Pierre et Marie Curie, Maisons-Alfort, F-94700, France
| | - Camille Béchaux
- Risk Assessment Department, French Agency for Food, Environmental and Occupational Health & Safety (ANSES), 14 rue Pierre et Marie Curie, Maisons-Alfort, F-94700, France
| | | | - Emanuela Testai
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
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Phuthong S, Settheetham-Ishida W, Natphopsuk S, Ishida T. Genetic Polymorphism of the Glutathione S-transferase
Pi 1 (GSTP1) and Susceptibility to Cervical Cancer in Human
Papilloma Virus Infected Northeastern Thai Women. Asian Pac J Cancer Prev 2018; 19:381-385. [PMID: 29479986 PMCID: PMC5980923 DOI: 10.22034/apjcp.2018.19.2.381] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Objective: We aimed to investigate any association between a genetic polymorphism of the detoxification GSTP1 gene and risk of cervical cancer in northeastern Thailand. Materials and Methods: Genotyping of GSTP1 was performed for 198 squamous cell cervical cancer (SCCA) patients and 198 age-matched healthy controls with the PCR-RFLP method. Results: The respective frequencies of the G allele were 0.33 and 0.26 in the controls and cases, the difference being significant (OR = 0.69 [95% CI: 0.50-0.95, p=0.0192]). Among women infected with high-risk types of HPV, being a heterozygous carrier was associated with a reduced risk of cervical cancer (adjusted OR = 0.32 [95% CI: 0.12-0.91, p=0.031]). Similarly, a decreased risk was observed in heterozygous women with a non-smoking partner (adjusted OR = 0.27 [95% CI: 0.09-0.83, p=0.023]). Conclusions: GSTP1 polymorphism could influence susceptibility to cervical cancer among northeast Thai women; either as a independent factor or in combination with high-risk HPV infection. Dual-testing of HPV and the GSTP1 might prove an effective screening tool for cervical cancer.
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Affiliation(s)
- Sophida Phuthong
- Department of Physiology, Khon Kaen University, Khon Kaen, Thailand.
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Saad A, O'Connor P, Mostafa M, Metwalli N, Cooper D, Povey A, Margison G. Glutathione S-Transferase M1, T1 and P1 Polymorphisms and Bladder Cancer Risk in Egyptians. Int J Biol Markers 2018. [DOI: 10.1177/172460080502000111] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Previous studies suggest that bladder cancer risk may vary with GST genotype but these results are inconsistent. The aim of this study was to explore whether GSTM1, GSTT1 and GSTP polymorphisms were associated with increased bladder cancer risk in an Egyptian population. GSTM1, GSTT1 and GSTP1 genotype frequencies were determined in bladder cancer cases (n=72) and healthy controls with no history of malignancies (n=82) using PCR-based techniques. The GSTT1*2 genotype was particularly associated with increased risk (OR 2.71, 95%CI 1.27–5.73) and the GSTM1*2 genotype to a lesser extent (OR 1.63, 95%CI 0.85–3.10). 18.1% of cases but only 7.3% of controls were GSTP1*B*B homozygotes (OR 2.38, 95%CI 0.83–6.87). The presence of two or more a priori at-risk genotypes was associated with increased bladder cancer risk (OR 2.42; 95%CI 1.47–3.97). These results suggest that polymorphisms in the GST genes are associated with increased risk of bladder cancer among Egyptians.
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Affiliation(s)
- A.A. Saad
- Cancer Research UK Carcinogenesis Group, Paterson Institute for Cancer Research, Christie Hospital NHS Trust, Manchester - United Kingdom
- Department of Pathology, University of Alexandria, Alexandria - Egypt
| | - P.J. O'Connor
- Cancer Research UK Carcinogenesis Group, Paterson Institute for Cancer Research, Christie Hospital NHS Trust, Manchester - United Kingdom
| | - M.H. Mostafa
- Institute of Graduate Studies and Research, University of Alexandria
| | - N.E. Metwalli
- Department of Pathology, University of Alexandria, Alexandria - Egypt
| | - D.P. Cooper
- Cancer Research UK Carcinogenesis Group, Paterson Institute for Cancer Research, Christie Hospital NHS Trust, Manchester - United Kingdom
- Present address: Micromass UK Ltd, Manchester
| | - A.C. Povey
- Cancer Research UK Carcinogenesis Group, Paterson Institute for Cancer Research, Christie Hospital NHS Trust, Manchester - United Kingdom
- Centre for Occupational and Environmental Health, Medical School, University of Manchester - United Kingdom
| | - G.P. Margison
- Cancer Research UK Carcinogenesis Group, Paterson Institute for Cancer Research, Christie Hospital NHS Trust, Manchester - United Kingdom
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Dekker SJ, Zhang Y, Vos JC, Vermeulen NPE, Commandeur JNM. Different Reactive Metabolites of Nevirapine Require Distinct Glutathione S-Transferase Isoforms for Bioinactivation. Chem Res Toxicol 2016; 29:2136-2144. [DOI: 10.1021/acs.chemrestox.6b00250] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Stefan J. Dekker
- Division of Molecular Toxicology,
Amsterdam Institute for Molecules Medicine and Systems (AIMMS), Vrije Universiteit, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Yongjie Zhang
- Division of Molecular Toxicology,
Amsterdam Institute for Molecules Medicine and Systems (AIMMS), Vrije Universiteit, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - J. Chris Vos
- Division of Molecular Toxicology,
Amsterdam Institute for Molecules Medicine and Systems (AIMMS), Vrije Universiteit, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Nico P. E. Vermeulen
- Division of Molecular Toxicology,
Amsterdam Institute for Molecules Medicine and Systems (AIMMS), Vrije Universiteit, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Jan N. M. Commandeur
- Division of Molecular Toxicology,
Amsterdam Institute for Molecules Medicine and Systems (AIMMS), Vrije Universiteit, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
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Glutathione S-Transferase T1 (GSTT1) Null Polymorphism, Smoking, and Their Interaction in Coronary Heart Disease: A Comprehensive Meta-Analysis. Heart Lung Circ 2016; 26:362-370. [PMID: 27686690 DOI: 10.1016/j.hlc.2016.07.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 05/30/2016] [Accepted: 07/07/2016] [Indexed: 02/08/2023]
Abstract
BACKGROUND The association between glutathione S-transferase T1 (GSTT1) null polymorphism and coronary heart disease (CHD) is inconsistent among studies, and data on the GSTT1 null genotype-smoking interplay in CHD is lacking. We conducted this meta-analysis to investigate the relationship between GSTT1 null polymorphism and CHD and to assess the potential interaction between GSTT1 null genotype and smoking. METHODS PubMed and EMBASE databases were searched up to 27 January 2016 using the appropriate terms. Odds ratios were pooled using either fixed-effects or random-effects models. RESULTS Twenty-nine articles including 31 studies with 15,004 cases and 35,597 controls were eligible. The random-effects model showed that the GSTT1 null genotype was associated with increased CHD risk (OR=1.213, 95%CI: 1.004-1.467; I2=90.4%). After excluding 10 studies detected by Galbraith plot, the fixed effects summary estimate also showed an increased risk of CHD (OR=1.14, 95% CI: 1.06-1.22; I2=27.7%). A case-only analysis including eight studies showed a statistically significant positive interaction between GSTT1 null polymorphism and smoking status on CHD (OR=1.34, 95% CI: 1.09-1.64; I2=0%). Sensitivity analyses further supported the associations. No publication bias was observed. CONCLUSIONS This meta-analysis suggests that GSTT1 null polymorphism is associated with the risk of CHD. To our knowledge, this is the first meta-analysis to prove a positive effect of the interaction between GSTT1 null genotype and smoking status on the risk of CHD. Future studies with detailed individual information are needed to confirm our findings.
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Topic A, Nagorni-Obradovic L, Francuski D, Ljujic M, Malic Z, Radojkovic D. Oxidative Stress and Polymorphism of Xenobiotic-Metabolizing Enzymes in Two Patients with Severe Alpha-1-Antitrypsin Deficiency. Biochem Genet 2016; 54:746-52. [PMID: 27271084 DOI: 10.1007/s10528-016-9748-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Accepted: 05/27/2016] [Indexed: 11/29/2022]
Abstract
Alpha-1-antitrypsin deficiency (AATD) and tobacco smoke play a key role in the pathogenesis of early-onset emphysema. Differences in AATD-related chronic obstructive pulmonary disease stages imply the existence of modifying factors associated with disease severity. We present two male patients with emphysema caused by severe AATD (PiZZ genotype). Both are former smokers and have epoxide hydrolase low-activity phenotype. Extremely high level of oxidative stress (high urinary 8-oxo-7,8-dihydro-2'-deoxyguanosine), increased inflammation (high serum CRP), and GSTP1 105Val mutation were found in patient with a worse lung function and prognosis. These data provide more evidence that oxidative stress-related gene variants and inflammation are associated with worse symptoms of AATD-related emphysema. Therefore, prevention against severe stage of AATD-related emphysema would include early identification of the risk gene variants, cessation or never smoking, and treatment with anti-inflammatory and anti-oxidant drugs. Additionally, urinary 8-oxodG could be a candidate for predictive biomarker for routine assessment of the oxidative stress level in AATD patients.
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Affiliation(s)
- Aleksandra Topic
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe, 450, Belgrade, 11221, Serbia.
| | - Ljudmila Nagorni-Obradovic
- School of Medicine, Clinic for Pulmonary Diseases Clinical Centre of Serbia, University of Belgrade, Belgrade, Serbia
| | - Djordje Francuski
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Mila Ljujic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Zivka Malic
- Faculty of Pharmacy, University of Bijeljina, Bijeljina, Bosnia and Herzegovina
| | - Dragica Radojkovic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
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Topic A, Malic Z, Francuski D, Stankovic M, Markovic B, Soskic B, Tomic B, Ilic S, Dobrivojevic S, Drca S, Radojkovic D. Gender-related differences in susceptibility to oxidative stress in healthy middle-aged Serbian adults. Biomarkers 2016; 21:186-93. [PMID: 26754535 DOI: 10.3109/1354750x.2015.1126647] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Gender-related differences in the association between polymorphism of xenobiotic-metabolising enzymes or non-genetic biomarkers and susceptibility to oxidative stress was assessed in healthy middle-aged Serbian adults, by urinary 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG/creatinine) and total antioxidant status in serum (TAOS). Females were more susceptible to oxidative stress. In both genders, positive predictor of the antioxidative protection was serum triglyceride, while BMI <25 kg/m(2) was associated with oxidative stress. Susceptibility to oxidative stress in males was associated with GSTT1*null allele and increased serum iron, but in females, it was decreased serum bilirubin. Early identification of the risk factors could be important in the prevention of oxidative stress-related diseases.
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Affiliation(s)
- Aleksandra Topic
- a Department of Medical Biochemistry , Faculty of Pharmacy, University of Belgrade , Belgrade , Serbia
| | - Zivka Malic
- b Faculty of Pharmacy , University of Bijeljina , Bijeljina , Bosnia & Herzegovina
| | - Djordje Francuski
- c Institute of Molecular Genetics and Genetic Engineering, University of Belgrade , Belgrade , Serbia
| | - Marija Stankovic
- c Institute of Molecular Genetics and Genetic Engineering, University of Belgrade , Belgrade , Serbia
| | - Bojan Markovic
- d Department of Pharmaceutical Chemistry , Faculty of Pharmacy, University of Belgrade , Belgrade , Serbia
| | - Blagoje Soskic
- c Institute of Molecular Genetics and Genetic Engineering, University of Belgrade , Belgrade , Serbia
| | - Branko Tomic
- c Institute of Molecular Genetics and Genetic Engineering, University of Belgrade , Belgrade , Serbia
| | - Stefan Ilic
- c Institute of Molecular Genetics and Genetic Engineering, University of Belgrade , Belgrade , Serbia
| | - Snezana Dobrivojevic
- e Clinical Chemical Laboratory, Health Centre , "Stari Grad", Belgrade , Serbia , and
| | - Sanja Drca
- f Clinical Chemical Laboratory, General Hospital , Pancevo , Serbia
| | - Dragica Radojkovic
- c Institute of Molecular Genetics and Genetic Engineering, University of Belgrade , Belgrade , Serbia
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Vázquez-Gómez G, Rubio-Lightbourn J, Espinosa-Aguirre JJ. MECANISMOS DE ACCIÓN DEL RECEPTOR DE HIDROCARBUROS DE ARILOS EN EL METABOLISMO DEL BENZO[A]PIRENO Y EL DESARROLLO DE TUMORES. TIP REVISTA ESPECIALIZADA EN CIENCIAS QUÍMICO-BIOLÓGICAS 2016. [DOI: 10.1016/j.recqb.2016.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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10
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Early-life cockroach allergen and polycyclic aromatic hydrocarbon exposures predict cockroach sensitization among inner-city children. J Allergy Clin Immunol 2013; 131:886-93. [PMID: 23391330 DOI: 10.1016/j.jaci.2012.12.666] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2012] [Revised: 11/16/2012] [Accepted: 12/04/2012] [Indexed: 10/27/2022]
Abstract
BACKGROUND Sensitization to cockroach is one of the strongest identified risk factors for greater asthma morbidity in low-income urban communities; however, the timing of exposures relevant to the development of sensitization has not been elucidated fully. Furthermore, exposure to combustion byproducts, including polycyclic aromatic hydrocarbons (PAHs), can augment the development of allergic sensitization. OBJECTIVE We sought to test the hypotheses that domestic cockroach allergen measured prenatally would predict cockroach sensitization in early childhood and that this association would be greater for children exposed to higher PAH concentrations. METHODS Dominican and African American pregnant women living in New York City were enrolled. In the third trimester expectant mothers wore personal air samplers for measurement of 8 nonvolatile PAHs and the semivolatile PAH pyrene, and dust was collected from homes for allergen measurement. Glutathione-S-transferase μ 1 (GSTM1) gene polymorphisms were measured in children. Allergen-specific IgE levels were measured from the children at ages 2, 3, 5, and 7 years. RESULTS Bla g 2 in prenatal kitchen dust predicted cockroach sensitization at the ages of 5 to 7 years (adjusted relative risk [RR], 1.15; P = .001; n = 349). The association was observed only among children with greater than (RR, 1.22; P = .001) but not less than (RR, 1.07; P = .24) the median sum of 8 nonvolatile PAH levels. The association was most pronounced among children with higher PAH levels and null for the GSTM1 gene (RR, 1.54; P = .001). CONCLUSIONS Prenatal exposure to cockroach allergen was associated with a greater risk of allergic sensitization. This risk was increased by exposure to nonvolatile PAHs, with children null for the GSTM1 mutation particularly vulnerable.
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McCullough LE, Santella RM, Cleveland RJ, Bradshaw PT, Millikan RC, North KE, Olshan AF, Eng SM, Ambrosone CB, Ahn J, Steck SE, Teitelbaum SL, Neugut AI, Gammon MD. Polymorphisms in oxidative stress genes, physical activity, and breast cancer risk. Cancer Causes Control 2012; 23:1949-58. [PMID: 23053794 PMCID: PMC3796339 DOI: 10.1007/s10552-012-0072-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Accepted: 09/19/2012] [Indexed: 12/12/2022]
Abstract
PURPOSE The mechanisms driving the physical activity-breast cancer association are unclear. Exercise both increases reactive oxygen species production, which may transform normal epithelium to a malignant phenotype, and enhances antioxidant capacity, which could protect against subsequent oxidative insult. Given the paradoxical effects of physical activity, the oxidative stress pathway is of interest. Genetic variation in CAT or antioxidant-related polymorphisms may mediate the physical activity-breast cancer association. METHODS We investigated the main and joint effects of three previously unreported polymorphisms in CAT on breast cancer risk. We also estimated interactions between recreational physical activity (RPA) and 13 polymorphisms in oxidative stress-related genes. Data were from the Long Island Breast Cancer Study Project, with interview and biomarker data available on 1,053 cases and 1,102 controls. RESULTS Women with ≥1 variant allele in CAT rs4756146 had a 23 % reduced risk of postmenopausal breast cancer compared with women with the common TT genotype (OR = 0.77; 95 % CI = 0.59-0.99). We observed two statistical interactions between RPA and genes in the antioxidant pathway (p = 0.043 and 0.006 for CAT and GSTP1, respectively). Highly active women harboring variant alleles in CAT rs1001179 were at increased risk of breast cancer compared with women with the common CC genotype (OR = 1.61; 95 % CI, 1.06-2.45). Risk reductions were observed among moderately active women carrying variant alleles in GSTP1 compared with women homozygous for the major allele (OR = 0.56; 95 % CI, 0.38-0.84). CONCLUSIONS Breast cancer risk may be jointly influenced by RPA and genes involved in the antioxidant pathway, but our findings require confirmation.
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Affiliation(s)
- Lauren E McCullough
- Department of Epidemiology, University of North Carolina, CB #7435, McGavran-Greenberg Hall, Chapel Hill, NC 27599-7435, USA.
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Abstract
Background and Objectives The GSTM1, GSTT1 and GSTP1 polymorphisms might be involved in inactivation of procarcinogens that contribute to the genesis and progression of cancers. However, studies investigating the association between GSTM1, GSTT1 or GSTP1 polymorphisms and prostate cancer (PCa) risk report conflicting results, therefore, we conducted a meta-analysis to re-examine the controversy. Methods Published literature from PubMed, Embase, Google Scholar and China National Knowledge Infrastructure (CNKI) were searched (updated to June 2, 2012). According to our inclusion criteria, studies that observed the association between GSTM1, GSTT1 or GSTP1 polymorphisms and PCa risk were included. The principal outcome measure was the odds ratio (OR) with 95% confidence interval (CI) for the risk of PCa associated with GSTM1, GSTT1 and GSTP1 polymorphisms. Results Fifty-seven studies involving 11313 cases and 12934 controls were recruited. The overall OR, which was 1.2854 (95% CI = 1.1405–1.4487), revealed a significant risk of PCa and GSTM1 null genotype, and the similar results were observed when stratified by ethnicity and control source. Further, the more important is that the present study first reported the high risks of PCa for people who with dual null genotype of GSTM1 and GSTT1 (OR = 1.4353, 95% CI = 1.0345–1.9913), or who with GSTT1 null genotype and GSTP1 A131G polymorphism (OR = 1.7335, 95% CI = 1.1067–2.7152). But no association was determined between GSTT1 null genotype (OR = 1.102, 95% CI = 0.9596–1.2655) or GSTP1 A131G polymorphism (OR = 1.0845, 95% CI = 0.96–1.2251) and the PCa risk. Conclusions Our meta-analysis suggested that the people with GSTM1 null genotype, with dual null genotype of GSTM1 and GSTT1, or with GSTT1 null genotype and GSTP1 A131G polymorphism are associated with high risks of PCa, but no association was found between GSTT1 null genotype or GSTP1 A131G polymorphism and the risk of PCa. Further rigorous analytical studies are highly expected to confirm our conclusions and assess gene-environment interactions with PCa risk.
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López-Cima MF, Álvarez-Avellón SM, Pascual T, Fernández-Somoano A, Tardón A. Genetic polymorphisms in CYP1A1, GSTM1, GSTP1 and GSTT1 metabolic genes and risk of lung cancer in Asturias. BMC Cancer 2012; 12:433. [PMID: 23013535 PMCID: PMC3518149 DOI: 10.1186/1471-2407-12-433] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2012] [Accepted: 09/25/2012] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Metabolic genes have been associated with the function of metabolizing and detoxifying environmental carcinogens. Polymorphisms present in these genes could lead to changes in their metabolizing and detoxifying ability and thus may contribute to individual susceptibility to different types of cancer. We investigated if the individual and/or combined modifying effects of the CYP1A1 MspI T6235C, GSTM1 present/null, GSTT1 present/null and GSTP1 Ile105Val polymorphisms are related to the risk of developing lung cancer in relation to tobacco consumption and occupation in Asturias, Northern Spain. METHODS A hospital-based case-control study (CAPUA Study) was designed including 789 lung cancer patients and 789 control subjects matched in ethnicity, age, sex, and hospital. Genotypes were determined by PCR or PCR-RFLP. Individual and combination effects were analysed using an unconditional logistic regression adjusting for age, pack-years, family history of any cancer and occupation. RESULTS No statistically significant main effects were observed for the carcinogen metabolism genes in relation to lung cancer risk. In addition, the analysis did not reveal any significant gene-gene, gene-tobacco smoking or gene-occupational exposure interactions relative to lung cancer susceptibility. Lastly, no significant gene-gene combination effects were observed. CONCLUSIONS These results suggest that genetic polymorphisms in the CYP1A1, GSTM1, GSTT1 and GSTP1 metabolic genes were not significantly associated with lung cancer risk in the current study. The results of the analysis of gene-gene interactions of CYP1A1 MspI T6235C, GSTM1 present/null, GSTT1 present/null and GSTP1 Ile105Val polymorphisms in lung cancer risk indicate that these genes do not interact in lung cancer development.
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Affiliation(s)
- M Felicitas López-Cima
- Molecular Epidemiology of Cancer Unit, University Institute of Oncology, University of Oviedo, C/Fernando Bongera, s/n, Oviedo, 33006, Spain
- CIBER en Epidemiología y Salud Pública (CIBERESP), Institute of Health Carlos III, C/Melchor Fernández Almagro, 3-5. Pabellón 9, planta baja, 28029, Madrid, Spain
| | - Sara M Álvarez-Avellón
- Molecular Epidemiology of Cancer Unit, University Institute of Oncology, University of Oviedo, C/Fernando Bongera, s/n, Oviedo, 33006, Spain
- CIBER en Epidemiología y Salud Pública (CIBERESP), Institute of Health Carlos III, C/Melchor Fernández Almagro, 3-5. Pabellón 9, planta baja, 28029, Madrid, Spain
| | - Teresa Pascual
- Pneumology Department, Cabueñes Hospital, Cabueñes, s/n, Gijón, 33394, Spain
| | - Ana Fernández-Somoano
- Molecular Epidemiology of Cancer Unit, University Institute of Oncology, University of Oviedo, C/Fernando Bongera, s/n, Oviedo, 33006, Spain
- CIBER en Epidemiología y Salud Pública (CIBERESP), Institute of Health Carlos III, C/Melchor Fernández Almagro, 3-5. Pabellón 9, planta baja, 28029, Madrid, Spain
| | - Adonina Tardón
- Molecular Epidemiology of Cancer Unit, University Institute of Oncology, University of Oviedo, C/Fernando Bongera, s/n, Oviedo, 33006, Spain
- CIBER en Epidemiología y Salud Pública (CIBERESP), Institute of Health Carlos III, C/Melchor Fernández Almagro, 3-5. Pabellón 9, planta baja, 28029, Madrid, Spain
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Luo W, Kinsey M, Schiffman JD, Lessnick SL. Glutathione s-transferases in pediatric cancer. Front Oncol 2011; 1:39. [PMID: 22655244 PMCID: PMC3356086 DOI: 10.3389/fonc.2011.00039] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2011] [Accepted: 10/03/2011] [Indexed: 12/15/2022] Open
Abstract
The glutathione S-transferases (GSTs) are a family of ubiquitously expressed polymorphic enzymes important for detoxifying endogenous and exogenous compounds. In addition to their classic activity of detoxification by conjugation of compounds with glutathione, many other functions are now found to be associated with GSTs. The associations between GST polymorphisms/functions and human disease susceptibility or treatment outcome, mostly in adults, have been extensively studied and reviewed. This mini review focuses on studies related to GST epidemiology and functions related to pediatric cancer. Opportunities to exploit GST in pediatric cancer therapy are also discussed.
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Affiliation(s)
- Wen Luo
- The Department of Oncological Sciences, University of Utah School of Medicine Salt Lake City, UT, USA
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15
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Ye X, Jiang Y, Wang H, Chen L, Yuan S, Xia B. Genetic polymorphisms of glutathione S-transferases are associated with ulcerative colitis in central China. Cell Biochem Biophys 2011; 60:323-8. [PMID: 21301992 DOI: 10.1007/s12013-011-9154-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The present study aimed to investigate the association between genetic polymorphisms of glutathione S-transferases (GSTs) and susceptibility to ulcerative colitis (UC) in central China. The prevalence of GSTM1, GSTT1, and GSTP1 gene polymorphisms were examined using polymerase chain reaction methods in 270 consecutive UC patients and 623 age- and sex-matched healthy controls. The frequencies of the GSTM1(null) and GSTT1(null) as well as GSTP1 (Val/Val) genotypes were significantly higher in UC patients than in the controls (70.74% vs. 41.74%, P = 0.0001; 64.82% vs. 47.19%, P = 0.0001; and 48.89% vs. 34.35%, P = 0.0004, respectively). When the UC patients were stratified according to clinical features, we found that the frequencies of the GSTT1(null) and GSTP1 (Val/Val) genotypes but not the GSTM1(null) genotype were significantly higher in patients with distal colitis than in extensive colitis (P = 0.0007, P = 0.001, and P = 0.271, respectively). However, these variant GST genotypes were not significantly linked to severity of the disease (P > 0.05). GST variant genotypes are strongly correlated with prevalence and extent but not with severity of UC in the Hubei Han population in central China.
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Affiliation(s)
- Xujun Ye
- Integrated Department of Wuhan University Zhongnan Hospital, 430071 Wuhan, People's Republic of China
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16
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Yao S, Barlow WE, Albain KS, Choi JY, Zhao H, Livingston RB, Davis W, Rae JM, Yeh IT, Hutchins LF, Ravdin PM, Martino S, Lyss AP, Osborne CK, Abeloff M, Hortobagyi GN, Hayes DF, Ambrosone CB. Gene polymorphisms in cyclophosphamide metabolism pathway,treatment-related toxicity, and disease-free survival in SWOG 8897 clinical trial for breast cancer. Clin Cancer Res 2011; 16:6169-76. [PMID: 21169260 DOI: 10.1158/1078-0432.ccr-10-0281] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE There are no established genetic markers for prediction of outcomes after cyclophosphamide (CP)-containing adjuvant therapy for breast cancer. In an ancillary study to a SWOG (Southwest Oncology Group) trial (S8897), we investigated functional polymorphisms in 4 genes in CP pharmacokinetic pathways in relation to hematologic toxicity and disease-free survival (DFS). EXPERIMENTAL DESIGN Germline DNA was available from 458 women who were at high risk of relapse and was randomized to CAF (CP, intravenous doxorubicin, and 5-fluorouracil) versus CMF (CP, intravenous methotrexate, and 5-fluorouracil) ± tamoxifen, and from 874 women who had a presumed favorable prognosis and did not receive adjuvant therapy. Odds ratios for grade 3 and 4 hematologic toxicity in the treated group and hazard ratios for DFS associated with selected functional polymorphisms in CYP2B6CYP3A4GSTA1 and GSTP1 were estimated by logistic regression and Cox proportional hazard regression. RESULTS Compared with women with AA genotypes, those with at least 1 GSTP1 variant G allele had reduced risk of grade 3 and 4 neutropenia [odds ratios (OR) = 0.63, 95% CI = 0.41-0.97] and leucopenia (OR = 0.59, 95% CI = 0.39-0.89). No other associations between single nucleotide polymorphisms and toxicity or survival were found in the treated or untreated group. CONCLUSION Known genetic variants in genes involved in CP pharmacokinetics may not have major effects on DFS in breast cancer patients. The lower risk of developing high-grade hematologic toxicity among women with variant GSTP1 alleles suggests that genetic markers in combination with clinical factors may be useful in defining a subgroup of women who are less susceptible to adverse hematologic toxicities with CP-containing therapies.
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Affiliation(s)
- Song Yao
- Department of Cancer Prevention and Control, Roswell Park Cancer Institute, Buffalo, New York 14263, USA.
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[Research progress of lung cancer on single nuleotide polymorphism]. ZHONGGUO FEI AI ZA ZHI = CHINESE JOURNAL OF LUNG CANCER 2011; 14:156-64. [PMID: 21342648 PMCID: PMC5999771 DOI: 10.3779/j.issn.1009-3419.2011.02.10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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18
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Moaven O, Raziee HR, Sima HR, Ganji A, Malekzadeh R, A'rabi A, Abdollahi A, Memar B, Sotoudeh M, Naseh H, Nekoui N, Razavipour A, Gholamin M, Dadkhah E, Farshchian M, Abbaszadegan MR. Interactions between Glutathione-S-Transferase M1, T1 and P1 polymorphisms and smoking, and increased susceptibility to esophageal squamous cell carcinoma. Cancer Epidemiol 2010; 34:285-90. [PMID: 20409775 DOI: 10.1016/j.canep.2010.03.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2009] [Revised: 03/08/2010] [Accepted: 03/09/2010] [Indexed: 12/28/2022]
Abstract
BACKGROUND A complex of genetic and environmental factors is involved in carcinogenesis of the esophageal squamous cell carcinoma (ESCC). Glutathione-S-Transferases (GSTs) are phase-II enzymes playing role in detoxification of carcinogen electrophiles. Genetic polymorphisms of GSTM1, GSTT1 and GSTP1 in association with some environmental factors and their impact on esophageal cancer susceptibility were assessed in the Iranian population. METHODS Genomic DNA of peripheral blood leukocytes from 148 confirmed esophageal cancer cases and 137 healthy individuals as control group was assayed for restriction fragment length polymorphisms in the GSTP1 loci by PCR amplification followed by digestion with Alw26I. Deletion of the GSTM1 and GSTT1 genes was detected by multiplex PCR. A data-mining method based on decision trees was applied to produce a predictive model of interactions between genotypes. RESULTS Smoking was independently associated with ESCC (p<0.05, OR: 2.286, 95% CI=1.311-3.983). Smoking along with GSTP1 Val/Val genotype was associated to ESCC (p<0.001, OR: 3.886, 95% CI=1.830-8.251), while non-smokers with GSTP1 Val/Val were significantly more frequent in non-cancerous group. (p=0.007, OR: 0.507, 95% CI=0.309-0.830). CONCLUSIONS Data-mining methods are useful tools to map out a scheme for predicting complex relations and combinations of different genotypes. Genotyping analysis of GSTP1 together with assessment of smoking seems to be important in determining the risk of ESCC in the Iranian population.
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Affiliation(s)
- Omeed Moaven
- Division of Human Genetics, Immunology Research Center, Avicenna Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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Conklin DJ, Haberzettl P, Prough RA, Bhatnagar A. Glutathione-S-transferase P protects against endothelial dysfunction induced by exposure to tobacco smoke. Am J Physiol Heart Circ Physiol 2009; 296:H1586-97. [PMID: 19270193 PMCID: PMC2685347 DOI: 10.1152/ajpheart.00867.2008] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2008] [Accepted: 03/02/2009] [Indexed: 11/22/2022]
Abstract
Exposure to tobacco smoke impairs endothelium-dependent arterial dilation. Reactive constituents of cigarette smoke are metabolized and detoxified by glutathione-S-transferases (GSTs). Although polymorphisms in GST genes are associated with the risk of cancer in smokers, the role of these enzymes in regulating the cardiovascular effects of smoking has not been studied. The P isoform of GST (GSTP), which catalyzes the conjugation of electrophilic molecules in cigarette smoke such as acrolein, was expressed in high abundance in the mouse lung and aorta. Exposure to tobacco smoke for 3 days (5 h/day) decreased total plasma protein. These changes were exaggerated in GSTP(-/-) mice. Aortic rings isolated from tobacco smoke-exposed GSTP(-/-) mice showed greater attenuation of ACh-evoked relaxation than those from GSTP(+/+) mice. The lung, plasma, and aorta of mice exposed to tobacco smoke or acrolein (for 5 h) accumulated more acrolein-adducted proteins than those tissues of mice exposed to air, indicating that exposure to tobacco smoke results in the systemic delivery of acrolein. Relative to GSTP(+/+) mice, modification of some proteins by acrolein was increased in the aorta of GSTP(-/-) mice. Aortic rings prepared from GSTP(-/-) mice that inhaled acrolein (1 ppm, 5 h/day for 3 days) or those exposed to acrolein in an organ bath showed diminished ACh-induced arterial relaxation more strongly than GSTP(+/+) mice. Acrolein-induced endothelial dysfunction was prevented by pretreatment of the aorta with N-acetylcysteine. These results indicate that GSTP protects against the endothelial dysfunction induced by tobacco smoke exposure and that this protection may be related to the detoxification of acrolein or other related cigarette smoke constituents.
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Affiliation(s)
- Daniel J Conklin
- Institute of Molecular Cardiology, Div. of Cardiovascular Medicine, Dept. of Medicine, Univ. of Louisville, Delia Baxter Bldg., 580 S. Preston St., Rm. 421C, Louisville, KY 40202, USA.
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20
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Kilfoy BA, Zheng T, Lan Q, Han X, Qin Q, Rothman N, Holford T, Zhang Y. Genetic polymorphisms in glutathione S-transferases and cytochrome P450s, tobacco smoking, and risk of non-Hodgkin lymphoma. Am J Hematol 2009; 84:279-82. [PMID: 19338043 DOI: 10.1002/ajh.21386] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
We investigated variation in glutathione S-transferases (GSTs) and cytochrome P450s (CYPs), and smoking in a population-based case-control study of NHL including 1,115 women. Although risk of NHL was not altered by variant polymorphisms in GSTs or CYPs, it was significantly changed for DLBCL when considered in conjunction with smoking behavior, though only in nonsmokers. An increased risk of DLBCL in nonsmokers was associated with the variant G allele for GSTP1 (OR = 1.6, 95% CI 1.0-2.3) and CYP1A1 (OR = 2.4; 95% CI 1.0-5.7), but a decreased risk for the variant G allele for CYP1B1 (OR = 0.6, 95% CI 0.4-1.0). Our results confer support investigation of the gene-environment interaction in a larger study population of DLBCL.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Alleles
- Aryl Hydrocarbon Hydroxylases/genetics
- Biomarkers, Tumor
- Case-Control Studies
- Cytochrome P-450 CYP1A1/genetics
- Cytochrome P-450 CYP1B1
- Female
- Glutathione S-Transferase pi/genetics
- Humans
- Lymphoma, Large B-Cell, Diffuse/enzymology
- Lymphoma, Large B-Cell, Diffuse/etiology
- Lymphoma, Large B-Cell, Diffuse/genetics
- Lymphoma, Non-Hodgkin/enzymology
- Lymphoma, Non-Hodgkin/etiology
- Lymphoma, Non-Hodgkin/genetics
- Middle Aged
- Polymorphism, Genetic
- Risk
- Risk Factors
- Smoking/adverse effects
- Young Adult
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Affiliation(s)
- Briseis A Kilfoy
- Department of Environmental Health Sciences, School of Epidemiology and Public Health, Yale University, New Haven, Connecticut 06520-8034, USA
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Cote ML, Chen W, Smith DW, Benhamou S, Bouchardy C, Butkiewicz D, Fong KM, Gené M, Hirvonen A, Kiyohara C, Larsen JE, Lin P, Raaschou-Nielsen O, Povey AC, Reszka E, Risch A, Schneider J, Schwartz AG, Sorensen M, To-Figueras J, Tokudome S, Pu Y, Yang P, Wenzlaff AS, Wikman H, Taioli E. Meta- and pooled analysis of GSTP1 polymorphism and lung cancer: a HuGE-GSEC review. Am J Epidemiol 2009; 169:802-14. [PMID: 19240225 DOI: 10.1093/aje/kwn417] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Lung cancer is the most common cancer worldwide. Polymorphisms in genes associated with carcinogen metabolism may modulate risk of disease. Glutathione S-transferase pi (GSTP1) detoxifies polycyclic aromatic hydrocarbons found in cigarette smoke and is the most highly expressed glutathione S-transferase in lung tissue. A polymorphism in the GSTP1 gene, an A-to-G transition in exon 5 (Ile105Val, 313A --> 313G), results in lower activity among individuals who carry the valine allele. The authors present a meta- and a pooled analysis of case-control studies that examined the association between this polymorphism in GSTP1 and lung cancer risk (27 studies, 8,322 cases and 8,844 controls and 15 studies, 4,282 cases and 5,032 controls, respectively). Overall, the meta-analysis found no significant association between lung cancer risk and the GSTP1 exon 5 polymorphism. In the pooled analysis, there was an overall association (odds ratio = 1.11, 95% confidence interval: 1.03, 1.21) between lung cancer and carriage of the GSTP1 Val/Val or Ile/Val genotype compared with those carrying the Ile/Ile genotype. Increased risk varied by histologic type in Asians. There appears to be evidence for interaction between amount of smoking, the GSTP1 exon 5 polymorphism, and risk of lung cancer in whites.
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Affiliation(s)
- Michele L Cote
- Population Studies and Prevention, Karmanos Cancer Institute, Internal Medicine, Wayne State University School of Medicine, 110 East Warren, Detroit, MI 48201, USA.
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22
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Kang SG, Lee HJ, Choi JE, An H, Rhee M, Kim L. Association study between glutathione S-transferase GST-M1, GST-T1, and GST-P1 polymorphisms and tardive dyskinesia. Hum Psychopharmacol 2009; 24:55-60. [PMID: 19051221 DOI: 10.1002/hup.988] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
OBJECTIVES Data from several studies suggest that oxidative stress may play a role in the pathophysiology of tardive dyskinesia (TD). Glutathione S-transferase (GST) enzymes play important roles in protecting cells against oxidative stress. In the present study, we investigated the hypothesis that polymorphisms in genes for these detoxifying enzymes can influence susceptibility to TD in patients with schizophrenia. METHODS The GST-M1, GST-T1, and GST-P1 loci were analyzed by polymerase chain reaction (PCR)-based methods in 83 schizophrenic patients with TD and 126 schizophrenic without TD who were matched for antipsychotic drug exposure and other relevant variables. The multifactor dimensionality reduction (MDR) approach was used to analyze gene-gene interactions. RESULTS There were no significant differences in the distributions of the GST-M1, GST-T1, and GST-P1 genotypes between the TD and non-TD groups (p > 0.05). However, in comparison of the severity of TD among genotypes using Poisson regression showed that Ile/Ile genotype of GST-P1 had higher AIMS score compared to Ile/Val + Val/Val genotypes (X(2) = 7.13, p = 0.008). MDR analysis did not show a significant interaction between the three GST gene variants and susceptibility to TD (p > 0.05). CONCLUSIONS These results suggest that GST gene polymorphisms do not confer increased susceptibility to TD in patients with schizophrenia but TD severity might be related with GST-P1 variants.
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Affiliation(s)
- Seung-Gul Kang
- Department of Psychiatry, Korea University College of Medicine, Seoul, South Korea
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Peklak-Scott C, Smitherman PK, Townsend AJ, Morrow CS. Role of glutathione S-transferase P1-1 in the cellular detoxification of cisplatin. Mol Cancer Ther 2008; 7:3247-55. [PMID: 18852128 DOI: 10.1158/1535-7163.mct-08-0250] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Cells expressing elevated levels of allelic variants of human glutathione S-transferase P1 (GSTP1) and/or efflux transporters, MRP1 or MRP2, were used to evaluate the role of GSTP1-1 in cisplatin resistance. These studies revealed that GSTP1-1 confers low-level resistance (1.4- to 1.7-fold) to cisplatin-induced cytotoxicity in MCF7 cells. However, expression of MRP1 (MCF7 cells) or MRP2 (HepG2 cells) failed to augment or potentiate GSTP1-1-mediated resistance in either cell line. To understand the mechanism by which variants of GSTP1-1 confer resistance to cisplatin, their relative abilities to catalyze conjugation of cisplatin with glutathione were examined. Enzymes encoded by all three alleles tested, GSTP1a (I(104)A(113)), GSTP1b (V(104)A(113)), and GSTP1c (V(104)V(113)), increased the formation rate of the mono-platinum/glutathione derivative of cisplatin with relative catalytic activities of 1.0 (GSTP1a-1a variant) and 1.8 to 1.9 (GSTP1b-1b and GSTP1c-1c variants). Although these data are consistent with the idea that very low level resistance to cisplatin may be conferred by GSTP1-1-mediated cisplatin/glutathione conjugation, two observations indicate that such catalysis plays a minor role in the protection from cisplatin toxicity. First, the rates of GSTP1-1-mediated conjugation are extremely slow (1.7-2.6 h(-1) at 25 degrees C). Second, despite an 80% to 90% increase in catalysis of cisplatin conjugation by GSTP1b-1b or GSTP1c-1c over GSTP1a-1a, we observed no discernable differences in relative resistances conferred by these alternative variants when expressed in MCF7 cells. We conclude that high-level cisplatin resistance attributed to GSTP1-1 in other studies is not likely due to catalysis of cisplatin conjugation but rather must be explained by other mechanisms, which may include GSTP1-mediated modulation of signaling pathways.
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Affiliation(s)
- Christina Peklak-Scott
- Department of Biochemistry, Wake Forest University School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157, USA
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Pérez-Cadahía B, Méndez J, Pásaro E, Lafuente A, Cabaleiro T, Laffon B. Biomonitoring of human exposure to prestige oil: effects on DNA and endocrine parameters. ENVIRONMENTAL HEALTH INSIGHTS 2008; 2:83-92. [PMID: 21572833 PMCID: PMC3091333 DOI: 10.4137/ehi.s954] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Since 1960, about 400 tankers spilled more than 377765 tons of oil, with the Prestige accident (Galician coast, NW Spain, November 2002) the most recent. Taking into account the consistent large number of individuals exposed to oil that exists all over the world, it seems surprising the absence in the literature of studies focused on the chronic effects of this exposure on human health. In this work we evaluated the level of DNA damage by means of comet assay, and the potential endocrine alterations (prolactin and cortisol) caused by Prestige oil exposure in a population of 180 individuals, classified in 3 groups according to the tasks performed, and 60 controls. Heavy metals in blood were determined as exposure biomarkers, obtaining significant increases of aluminum, nickel and lead in the exposed groups as compared to controls. Higher levels of genetic damage and endocrine alterations were also observed in the exposed population. DNA damage levels were influenced by age, sex, and the use of protective clothes, and prolactin concentrations by the last two factors. Surprisingly, the use of mask did not seem to protect individuals from genetic or endocrine alterations. Moreover, polymorphisms in genes encoding for the main enzymes involved in the metabolism of oil components were analyzed as susceptibility biomarkers. CYP1A1-3'UTR and EPHX1 codons 113 and 139 variant alleles were related to higher damage levels, while lower DNA damage was observed in GSTM1 and GSTT1 null individuals.
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Affiliation(s)
- Beatriz Pérez-Cadahía
- Toxicology Unit, Dept. Psychobiology, University of A Coruña, Edificio de Servicios Centrales de Investigación, Campus Elviña s/n, 15071-A Coruña, Spain
- Dept. Cell and Molecular Biology, University of A Coruña, A Coruña, Spain
| | - Josefina Méndez
- Toxicology Unit, Dept. Psychobiology, University of A Coruña, Edificio de Servicios Centrales de Investigación, Campus Elviña s/n, 15071-A Coruña, Spain
| | - Eduardo Pásaro
- Dept. Cell and Molecular Biology, University of A Coruña, A Coruña, Spain
| | | | - Teresa Cabaleiro
- Toxicology Laboratory, University of Vigo, Campus Ourense, Ourense, Spain
| | - Blanca Laffon
- Toxicology Unit, Dept. Psychobiology, University of A Coruña, Edificio de Servicios Centrales de Investigación, Campus Elviña s/n, 15071-A Coruña, Spain
- Dept. Cell and Molecular Biology, University of A Coruña, A Coruña, Spain
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Roberta Pastorelli, Annalisa Cerri,. Benzo(a)pyrene diolepoxide adducts to albumin in workers exposed to polycyclic aromatic hydrocarbons: association with specificCYP1A1,GSTM1,GSTP1andEHPXgenotypes. Biomarkers 2008; 6:357-74. [DOI: 10.1080/13547500110044267] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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CYP1A2, CYP2D6, GSTM1, GSTP1, and GSTT1 gene polymorphisms in patients with bladder cancer in a Turkish population. Int Urol Nephrol 2008; 41:259-66. [DOI: 10.1007/s11255-008-9444-6] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2008] [Accepted: 07/17/2008] [Indexed: 02/07/2023]
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Kang JM, Kim N, Cho SI, Lee DH, Park YS, Kim YR, Park JH, Lee MK, Kim JS, Jung HC, Song IS. Effects of Genetic Polymorphisms of Glutathione S-transferase P1 on Helicobacter pylori-associated Gastric Cancer. Gut Liver 2008; 2:23-9. [PMID: 20485607 DOI: 10.5009/gnl.2008.2.1.23] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2008] [Accepted: 03/24/2008] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND/AIMS Glutathione S-transferase P1 (GSTP1) scavenges radicals via its peroxidase activity. The purpose of this study was to determine the association of GSTP1 genetic polymorphisms with the expression of H. pylori-associated gastroduodenal disease. METHODS This study involved 1,911 subjects, comprising patients with four diseases (gastric cancer, dysplasia, benign gastric ulcer, and duodenal ulcer disease) and controls. Biallelic polymorphisms were genotyped by restriction fragment length polymorphism techniques. RESULTS The frequency of the genetic polymorphism at nucleotide 313 of GSTP1 did not differ among the five study groups. However, when the gastric cancer group was subdivided into advanced gastric cancer (AGC) and early gastric cancer, the frequency of the G/G genotype was significantly higher in the AGC group than in all the control subgroups (OR: 1.2, 95% CI: 1.1-4.9). The frequency of this genotype differed significantly in the H. pylori-positive AGC group (OR: 2.7, 95% CI: 1.1-6.3) but not in the H. pylori-negative group. Furthermore, the difference was greater in the intestinal type, and was not found in diffuse types of disease. CONCLUSIONS This study found that genetic polymorphisms of GSTP1 were associated with H. pylori-associated gastric cancer only during the advanced stage of gastric cancer, with intestinal-type histology evident in H. pylori-positive subjects.
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Affiliation(s)
- Jung Mook Kang
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea
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Bufalo NE, Santos RB, Cury AN, Andrade RA, Morari J, Morari EC, Leite JL, Monte O, Romaldini JH, Ward LS. Genetic polymorphisms associated with cigarette smoking and the risk of Graves' disease. Clin Endocrinol (Oxf) 2008; 68:982-7. [PMID: 17980001 DOI: 10.1111/j.1365-2265.2007.03121.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Cigarette smoking is a well-recognized risk factor of Graves' disease and, particularly, Graves' ophthalmopathy. Hence, germline polymorphisms of detoxification genes and genes belonging to the major DNA repair-apoptosis pathways might have an important role in disease susceptibility. In addition, as some of these genes are regulated by thyroid hormones, they may affect the patients' outcomes. We aimed to assess the influence of the GST, CYP and TP53 gene polymorphisms in the risk of Graves' disease and its outcome. DESIGN Prospective case-control study. PATIENTS A PCR-based strategy was used for GSTT1, GSTM1, GSTP1, CYP1A1 and TP53 codon 72 genotypes in a group of 400 Graves' disease patients, and to compare them to 574 control individuals with similar environmental exposure features. RESULTS GSTM1 and GSTT1 genotypes were equally distributed in cases and controls, respectively. However, GSTP1 (P < 0.0001), CYP1A1 (P < 0.0033) and Pro/ProTP53 (P < 0.0035) variants appeared more frequently in Graves' disease patients than in controls. A multivariate analysis indicated that cigarette smoking and inheritance of GSTP1, CYP1A1 and Pro/ProTP53 variants were important risk factors for Graves' disease, but only smoking appeared as an independent risk factor for Graves' ophthalmopathy. There was no association between clinical features, including ophthalmopathy or treatment outcome, and the studied genotypes. CONCLUSION We concluded that GSTP1, CYP1A1 and TP53, but not GSTT1 and GSTM1 germline polymorphisms, may be associated with smoking-related Graves' disease susceptibility and configure a risk profile for the disease. However, these polymorphisms do not influence the patients' response to treatment.
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Affiliation(s)
- Natássia E Bufalo
- Molecular Genetics of Cancer Laboratory, Department of Internal Medicine, Medical Science School-FCM, State University of Campinas, Sao Paulo, Brazil
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Blanchette BN, Singh BR. A high pressure liquid chromatography-based assay for glutathione-S-transferase class distinction assay. ACTA ACUST UNITED AC 2007; 70:761-5. [PMID: 17540450 DOI: 10.1016/j.jbbm.2007.04.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2006] [Revised: 04/18/2007] [Accepted: 04/18/2007] [Indexed: 10/23/2022]
Abstract
In order to expedite the process of classification of the members of the family of glutathione-S-transferases (GSTs) high performance liquid chromatography with photodiode array detection (HPLC-PDA) was used as a means for measuring enzymatic activity. The GST chosen for the development of the HPLC-PDA technique was from equine liver (E-GST). The characterizing substrates, ethacrynic acid (EA) and bromosulfophthalein (BSP), along with previously gathered characterization data allowed for the distinction of alpha, mu or pi-class enzymes. In an initial characterization of the previously unclassified E-GST it was determined that the enzyme was of the pi-class with specific activities of 0.062, +/-0.0015 micromol min(-1) mg(-1) and 0.0019, +/-0.00064 micromol min(-1) mg(-1) for EA and BSP, respectively. Finally, the activity of the E-GST with the EA and BSP substrates, was measured by HPLC-PDA, and was found to be 0.027, +/-0.003 micromol min(-1) mg(-1) and 0.002, +/-0.0005 micromol min(-1) mg(-1), respectively. While the HPLC-PDA data do not mirror the spectrophotometric results quantitatively the overall response by the E-GST was the same. In general, the E-GSTs were shown to belong to the pi-class when characterized by HPLC-PDA due to an EA specific activity greater than 0.01 micromol min(-1) mg(-1) and a negligible BSP activity (</=0.002 micromol min(-1) mg(-1)).
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Affiliation(s)
- Brian N Blanchette
- Department of Chemistry and Biochemistry, School of Marine Science and Technology, University of Massachusetts Dartmouth, 285 Old Westport Road, Dartmouth, MA 02747, United States
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Ruzzo A, Canestrari E, Maltese P, Pizzagalli F, Graziano F, Santini D, Catalano V, Ficarelli R, Mari D, Bisonni R, Giordani P, Giustini L, Lippe P, Silva R, Mattioli R, Torresi U, Latini L, Magnani M. Polymorphisms in genes involved in DNA repair and metabolism of xenobiotics in individual susceptibility to sporadic diffuse gastric cancer. ACTA ACUST UNITED AC 2007; 45:822-8. [PMID: 17617021 DOI: 10.1515/cclm.2007.143] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
AbstractClin Chem Lab Med 2007;45:822–8.
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Affiliation(s)
- Annamaria Ruzzo
- Institute of Biochemistry G. Fornaini, University of Urbino, Urbino, Italy.
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R Yang X, Pfeiffer RM, Goldstein AM. Influence of glutathione-S-transferase (GSTM1, GSTP1, GSTT1) and cytochrome p450 (CYP1A1, CYP2D6) polymorphisms on numbers of basal cell carcinomas (BCCs) in families with the naevoid basal cell carcinoma syndrome. J Med Genet 2006; 43:e16. [PMID: 16582078 PMCID: PMC2563218 DOI: 10.1136/jmg.2005.035006] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND The naevoid basal cell carcinoma syndrome (NBCCS) is an autosomal dominant multisystem disorder with variable expression. NBCCS patients have variable susceptibility to development of basal cell carcinoma (BCC). Previous studies have shown that polymorphisms of some metabolic genes encoding the cytochrome p450 (CYP) and glutathione-S-transferase (GST) enzymes influenced the numbers of BCCs in sporadic BCC cases. OBJECTIVE To determine whether allelic variants of these genes contribute to the variation in numbers of BCCs observed in NBCCS families. METHODS Genotyping and analysis was carried out in 152 members (69 affected and 83 unaffected) of 13 families with NBCCS for seven polymorphisms in five metabolic genes including CYP1A1, CYP2D6, GSTM1, GSTP1, and GSTT1. RESULTS GSTP1 Val105 and GSTP1 Val114 alleles were significantly associated with fewer BCC numbers (odds ratio (OR)105 = 0.55 (95% confidence interval, 0.35 to 0.88); OR114 = 0.20 (0.05 to 0.88)). The Val(105) allele showed a dose dependent effect (OR(Ile/Val) = 0.58 (0.34 to 0.88); OR(Val/Val) = 0.34 (0.14 to 0.78)). In addition, fewer jaw cysts were observed in carriers of the three p450 polymorphisms (CYP1A1m1, CYP1A1m2, and CYP2D6*4) (OR(CYP1A1m1) = 0.27 (0.12 to 0.58); OR(CYP1A1m2) = 0.25 (0.08 to 0.78); OR(CYP2D6*4) = 0.33 (0.18 to 0.60)). CONCLUSIONS Genetic variants might contribute to the variation in numbers of BCCs and jaw cysts observed in NBCCS families.
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Morari EC, Lima ABC, Bufalo NE, Leite JL, Granja F, Ward LS. Role of glutathione-S-transferase and codon 72 of P53 genotypes in epithelial ovarian cancer patients. J Cancer Res Clin Oncol 2006; 132:521-8. [PMID: 16788846 DOI: 10.1007/s00432-006-0099-3] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2005] [Accepted: 04/12/2006] [Indexed: 10/24/2022]
Abstract
PURPOSE A series of polymorphisms in germ-line DNA have been investigated in an effort to delineate polygenic models of cancer susceptibility and prognosis. As low-penetrance susceptibility genes may combine additively or multiplicatively and contribute to cancer incidence and to the response to chemotherapy, we studied GSTT1, GSTM1, GSTO2, GSTP1 and codon 72 of p53 genotype profiles in ovarian cancer patients. METHODS We compared 69 ovarian cancer patients with 222 control healthy women paired for ethnic and life-style characteristics. Outcome was evaluated in 29 stage III and IV patients submitted to a platinum-based chemotherapy followed-up for 6-29 months (17 +/- 9 months). RESULTS GSTT1, GSTM1, GSTO2 and GSTP1 genes presented a similar genotype distribution, but codon 72 of p53 gene wild-type variant was less frequent in ovarian cancer patients than in controls (chi(2); P = 0.0004). CONCLUSIONS We were unable to demonstrate any association between the GST genotypes studied and the risk of ovarian cancer but the inheritance of a heterozygous Arg/Pro genotype of p53 increased the risk of ovarian cancer more than 2.5 times (OR = 2.571; 95% CI = 1.453-4.550). There was no association of the studied genes to any clinical or pathological feature of the patients or to their response to chemotherapy.
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Affiliation(s)
- Elaine Cristina Morari
- Laboratory of Cancer Molecular Genetics, Department of Medicine, Medical Sciences Faculty, State University of Campinas-UNICAMP, Tessalia Vieira de Camargo 126, 13084-970, Campinas, São Paulo, Brazil
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Wolkenstein P, Loriot MA, Flahault A, Cadilhac M, Caumes E, Eliaszewicz M, Beaune P, Roujeau JC, Chosidow O. Association analysis of drug metabolizing enzyme gene polymorphisms in AIDS patients with cutaneous reactions to sulfonamides. J Invest Dermatol 2006; 125:1080-2. [PMID: 16297214 DOI: 10.1111/j.0022-202x.2005.23939.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Voho A, Impivaara O, Järvisalo J, Metsola K, Vainio H, Hirvonen A. Distribution of glutathione S-transferase M1, P1 and T1 genotypes in different age-groups of Finns without diagnosed cancer. ACTA ACUST UNITED AC 2006; 30:144-51. [PMID: 16638627 DOI: 10.1016/j.cdp.2005.11.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/27/2005] [Indexed: 11/20/2022]
Abstract
BACKGROUND Xenobiotic metabolizing enzymes (XMEs) are important detoxifiers of hazardous environmental agents, and their polymorphisms may therefore modify the risk of environmentally induced cancers. Consequently, the XME polymorphisms have been extensively studied in this context during recent years. Particular attention has been given to the polymorphisms of glutathione S-transferase (GST) M1, P1 and T1 genes. Previous studies have provided abundant data indicating these polymorphisms as important modifiers of individual susceptibility to cancers of environmental origin. It can be postulated that if the at-risk genotypes of these genes were real risk factors for the environmental cancers, their prevalence would presumably decrease with age in cancer-free part of the population. METHODS We tested the hypothesis in a population based group of 2105 Finns (1,051 men, 1,054 women) in five age strata (27, 37, 47, 57 and 67 years of age), all without clinically diagnosed cancer. RESULTS For GSTM1 genotype, a significant interaction was seen between gender and age among never smokers (p=0.003). Currently smoking men tended to be less likely (OR 0.57, 95% CI 0.31-1.03), and currently smoking women more likely (OR 1.70, 95% CI 0.97-2.97) homozygotes for the GSTP1*B allele compared with never smokers. Moreover, the likelihood of being a concurrent carrier of the putatively protective genotypes of all of the three studied GSTs was almost three-fold (OR 2.80, 95% CI 1.10-7.12) in heavy smokers in the two oldest age-groups compared with the other genotypes. CONCLUSIONS Our findings based on a novel study design provide support to the previous case-control studies suggesting that GST genotypes modify individual risk of environmentally-induced cancers.
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Affiliation(s)
- Anu Voho
- Finnish Institute of Occupational Health, Topeliuksenkatu 41 a A, 41 a A, FI-00250, Helsinki, Finland
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Larsen JE, Colosimo ML, Yang IA, Bowman R, Zimmerman PV, Fong KM. CYP1A1 Ile462Val and MPO G-463A interact to increase risk of adenocarcinoma but not squamous cell carcinoma of the lung. Carcinogenesis 2005; 27:525-32. [PMID: 16195240 DOI: 10.1093/carcin/bgi227] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Common polymorphisms in genes encoding phase I and phase II enzymes are considered to modify lung cancer risk due to changes in enzyme activity. Candidates include genetic variants of glutathione S-transferases (GSTM1, GSTT1 and GSTP1) and myeloperoxidase (MPO). We performed a large case-control study of these candidate genes in 1103 patients with non-small cell lung cancer (NSCLC) and 627 controls without NSCLC. Associations between deletion genotypes of GSTM1 and GSTT1 and between single nucleotide polymorphisms (SNPs) of GSTP1 Ile105Val and MPO G-463A were first tested by adjusted logistic regression. Then we analysed gene-gene interactions, also incorporating our published data on the Ile462Val SNP in the phase I enzyme, cytochrome P450 CYP1A1. The homozygous GSTP1 105Val genotype was significantly under-represented in NSCLC compared with controls (OR = 0.73; 95%CI 0.53-1.00; P = 0.050), especially in females (OR = 0.57; 95%CI 0.34-0.98; P = 0.04). The GSTT1-null genotype was significantly over-represented in adenocarcinomas (OR = 1.41; 95%CI 1.06-1.90; P = 0.02) but not in squamous cell carcinomas (OR = 1.03; 95%CI 0.76-1.41; P = 0.84). There was weak risk reduction associated with GSTM1 null in heavy smokers (OR = 0.71; 95%CI 0.54-0.94; P = 0.02), but neither GSTM1 nor MPO genotypes affected the overall risk of NSCLC. The MPO and CYP1A1 risk genotypes interacted to increase the overall risk of NSCLC (OR = 2.88; 95%CI 1.70-5.00; P < 0.001). The data are consistent with the concept that multiple genes of modest effect interact to confer genomic-based susceptibility to lung cancer.
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Affiliation(s)
- Jill Everland Larsen
- Department of Thoracic Medicine, The Prince Charles Hospital, Brisbane, Australia
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Mao GE, Morris G, Lu QY, Cao W, Reuter VE, Cordon-Cardo C, Dalbagni G, Scher HI, deKernion JB, Zhang ZF. Glutathione S-transferase P1 Ile105Val polymorphism, cigarette smoking and prostate cancer. ACTA ACUST UNITED AC 2005; 28:368-74. [PMID: 15542263 DOI: 10.1016/j.cdp.2004.07.003] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2004] [Accepted: 07/19/2004] [Indexed: 11/22/2022]
Abstract
The enzyme glutathione S-transferase P1 (GSTP1) detoxifies carcinogenic products of tobacco smoke. This exploratory case-control study evaluates the possible effect modification by the GSTP1 Ile105Val polymorphism (replacement of isoleucine by valine at codon 105) on smoking and prostate cancer. Because the Val variant possesses up to a five-fold greater enzymatic activity towards the carcinogenic metabolites of tobacco smoke, the Ile allele is expected to be related to an increase in the risk of prostate cancer among smokers. GSTP1 genotype and epidemiological data were obtained from 122 cases of prostate cancer and 135 healthy males as controls. A logistic regression model was used to estimate odds ratios and 95% confidence intervals. The adjusted OR of homozygous Ile compared to other genotypes for prostate cancer was 1.21 (95% CI: 0.61-2.83). Smoking was not significantly associated with prostate cancer with an adjusted OR of 1.56 (95% CI: 0.78-3.12). However, among individuals with the Ile/Ile genotype, smoking was strongly associated with an increased risk of prostate cancer with an adjusted odds ratio of 4.09 (95% CI: 1.25-13.35). A potential multiplicative interaction was suggested between GSTP1 and smoking on the risk of prostate cancer with the adjusted OR for the interaction of 4.52 (95% CI: 1.07-19.17). To our knowledge, this is the first time that a potential effect modification by the GSTP1 Ile/Ile genotype on smoking and the risk of prostate cancer is suggested.
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Affiliation(s)
- Gloria E Mao
- Department of Epidemiology, UCLA School of Public Health, Los Angeles, CA 90095, USA
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Abstract
Glutathione is an abundant natural tripeptide found within almost all cells. Glutathione is highly reactive and is often found conjugated to other molecules via its sulfhydryl moiety. It instils several vital roles within a cell including antioxidation, maintenance of the redox state, modulation of the immune response and detoxification of xenobiotics. With respect to cancer, glutathione metabolism is able to play both protective and pathogenic roles. It is crucial in the removal and detoxification of carcinogens, and alterations in this pathway, can have a profound effect on cell survival. However, by conferring resistance to a number of chemotherapeutic drugs, elevated levels of glutathione in tumour cells are able to protect such cells in bone marrow, breast, colon, larynx and lung cancers. Here we present a number of studies investigating the role of glutathione in promoting cancer, impeding chemotherapy, and the use of glutathione modulation to enhance anti-neoplastic therapy.
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Affiliation(s)
- Ganesaratnam K Balendiran
- Division of Immunology, Beckman Research Institute of the City of Hope, 1450 East Duarte Road, Duarte, CA 91010, USA.
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Influence of GSTM1, GSTT1, GSTP1 and NAT2 genotypes on the p53 mutational spectrum in bladder tumours. Int J Cancer 2005; 113:761-8. [PMID: 15499621 DOI: 10.1002/ijc.20650] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Genetic polymorphisms affecting expression or activity of the corresponding enzymes can influence the risk of acquiring gene mutations and various cancers. We have studied 327 bladder cancer patients with regard to the functionally related polymorphisms of GSTM1, GSTT1, GSTP1 and NAT2 and analysed the p53 mutational status of their tumours. Fifty p53 mutations, 26% transversions and 74% transitions, were detected in 44 patients. P53 mutation frequency was significantly higher in higher-grade tumours than in low-grade tumours (OR = 2.09, 95% CI 1.44-3.02, adjusted for age and sex). Also, a significant association was found between tumour stage (Tis and T2+ vs. Ta and T1) and presence of the GSTP1 val allele (adjusted OR = 2.00, CI 1.14-3.52). Overall, there was no significant difference in frequency of p53 mutation among patients with different genotypes. Among patients with p53 mutation, transversions were significantly more frequent in GSTM1-negative as compared to GSTM1-positive individuals (OR = 5.18, CI 1.07-25.02, adjusted for age, sex and tumour stage). With one exception, all tumours with the most common type of transversion, G:C-C:G, occurred in GSTM1-negative patients. Among smokers, all transversions (3 of 3), but only 2 of 13 transitions, were found among carriers of the GSTP1 variant allele, and samples carrying at least 1 variant GSTP1 allele had more transitions at CpG sites than wild-type samples (adjusted OR = 4.61, CI 0.82-26.04). No significant associations were found for the NAT2 gene. Our results suggest that impaired glutathione conjugation may affect the mutation spectrum in critical target genes.
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Weng MW, Hsiao YM, Chiou HL, Yang SF, Hsieh YS, Cheng YW, Yang CH, Ko JL. Alleviation of benzo[a]pyrene-diolepoxide-DNA damage in human lung carcinoma by glutathione S-transferase M2. DNA Repair (Amst) 2005; 4:493-502. [PMID: 15725629 DOI: 10.1016/j.dnarep.2004.12.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2004] [Accepted: 12/13/2004] [Indexed: 11/16/2022]
Abstract
Cellular detoxification is important for the routine removal of environmental and dietary carcinogens. Glutathione S-transferases (GST) are major cellular phase II detoxification enzymes. MRC-5 cells have been found to exhibit significantly higher GST activity than human H1355 cells. This study investigates whether GST-M2 activity acts as a critical determinant of the target dose of carcinogenic benzo[a]pyrene-diolepoxide (BPDE) and whether it has an effect on MDM2 splicing in the two cell lines. We used RT-PCR to clone Mu-class GST cDNA. Two forms of GST coming from the cell lines were characterized as GST-M2 (from MRC-5 cells) and GST-M4 (from H1355 cells). Nested-PCR showed that BPDE-induced MDM2 splicing had occurred in the H1355 cell line but not in normal MRC-5 cells. Furthermore, using nested-PCR and competitive ELISA, we found that in H1355 cells modified to stably overexpress GST-M2, splicing was abolished and BPDE adducts appeared in low abundance. In conclusion, exogenously overexpressed GST-M2 was effective in reducing BPDE-induced DNA damage in H1355 cells. The catalytic activity of GST-M2 may play an important future role in lowering the incidence of BPDE-induced DNA damage.
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Affiliation(s)
- Mao-Wen Weng
- Institute of Medical and Molecular Toxicology, Chung Shan Medical University, 110, Sec. 1, Chien-Kuo N. Road, Taichung, Taiwan 40203, ROC
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Cao W, Cai L, Rao JY, Pantuck A, Lu ML, Dalbagni G, Reuter V, Scher H, Cordon-Cardo C, Figlin RA, Belldegrun A, Zhang ZF. Tobacco smoking,GSTP1 polymorphism, and bladder carcinoma. Cancer 2005; 104:2400-8. [PMID: 16240451 DOI: 10.1002/cncr.21446] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Although cigarette smoking is considered a major risk factor for bladder carcinoma, little is known about the interaction between metabolic genes such as glutathione-S-transferase P1 and tobacco smoking in this process. GSTP1 may play a role in detoxification of tobacco-related carcinogens. METHODS In this case-control study of 145 cases with bladder carcinoma (male:female = 7.5:1) and 170 noncancer controls (male:female = 3.7:1), the relation between genetic polymorphisms of GSTP1 and susceptibility to bladder carcinoma was investigated and the gene-environment interaction between tobacco smoking and GSTP1 polymorphism was evaluated. Epidemiological data were collected for all cases and controls by a standard questionnaire. Polymorphisms of GSTP1 were measured by polymerase chain reaction-restriction fragment length polymorphism. The logistic regression model in SAS was used to estimate odds ratios (ORs) and 95% confidence intervals (95% CIs). RESULTS Cigarette smoking was confirmed as a risk factor of bladder carcinoma with an OR of 3.1 (95% CI: 1.7-5.9) after controlling for potential confounding factors. The OR for pack-years of smoking as a continuous variable was 2.4 (95% CI: 2.0-2.8). The ORs were 7.6 (95% CI: 1.18-49.51) for isoleucine/valine (Ile/Val) and 6.5 (95% CI: 1.01-41.56) for Ile/Ile when the homozygous Val/Val was considered as comparison group after adjusting for age, gender, race, and education. The adjusted OR for interaction between smoking and the GSTP1 (any Ile genotype) was 11.42 (95% CI: 0.53-248.15). CONCLUSIONS The results indicate that the Ile 105 allele is associated with an increased risk of bladder carcinoma and suggest that individuals who smoke and possess the Ile allele might be at increased risk for bladder carcinoma.
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Affiliation(s)
- Wei Cao
- Department of Epidemiology, UCLA School of Public Health, and Jonsson Comprehensive Cancer Center, Los Angeles, California 90095-1772, USA
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Okcu MF, Selvan M, Wang LE, Stout L, Erana R, Airewele G, Adatto P, Hess K, Ali-Osman F, Groves M, Yung AWK, Levin VA, Wei Q, Bondy M. Glutathione S-transferase polymorphisms and survival in primary malignant glioma. Clin Cancer Res 2004; 10:2618-25. [PMID: 15102663 DOI: 10.1158/1078-0432.ccr-03-0053] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
PURPOSE The purpose of this research was to investigate the relationship between glutathione S-transferase (GST) polymorphisms and survival, and chemotherapy-related toxicity in 278 glioma patients. EXPERIMENTAL DESIGN We determined genetic variants for GSTM1, GSTT1, and GSTP1 enzymes by PCR and restriction fragment length polymorphisms. We conducted Kaplan-Meier and Cox-proportional hazard analyses to examine whether the GST polymorphisms are related to overall survival, and logistic regression analysis to explore whether the GST polymorphisms are associated with toxicity. RESULTS For patients with anaplastic astrocytoma, anaplastic oligodendroglioma, anaplastic oligoastrocytoma, and anaplastic ependymoma (n = 78), patients with GSTP1*A/*A-M1 null genotype survived longer than did the rest of the group (median survival "not achieved," and 41 months, respectively; P = 0.06). Among patients treated with nitrosoureas (n = 108), those with GSTP1*A/*A and GSTM1 null genotype were 5.7 times (95% confidence interval, 0.9-37.4) more likely to experience an adverse event secondary to chemotherapy, compared with the others. CONCLUSIONS In patients with anaplastic astrocytoma, anaplastic oligodendroglioma, and anaplastic oligoastrocytoma, combination of germ-line GSTP1*A/*A and GSTM1 null genotype confers a survival advantage. Patients with this genotype also have an increased risk of adverse events secondary to chemotherapy that primarily comprised nitrosourea alkylating agents.
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Affiliation(s)
- M Fatih Okcu
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
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Granja F, Morari J, Morari EC, Correa LAC, Assumpção LVM, Ward LS. GST profiling may be useful in the screening for thyroid nodule malignancy. Cancer Lett 2004; 209:129-37. [PMID: 15159014 DOI: 10.1016/j.canlet.2003.12.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2003] [Revised: 12/14/2003] [Accepted: 12/16/2003] [Indexed: 11/27/2022]
Abstract
Screening tools are of utmost necessity in order to identify individuals at risk for thyroid nodule cancer. The polymorphic inheritance of human drug-metabolizing enzymes, such as those encoded by the Glutathione-S-Transferase (GST) system, plays an important role in the development of most human cancers. GSTP1 enzyme is the most important detoxification enzyme in human head and neck tissues. An aminoacid substitution (1105V) in the GSTP1 gene result in two genotypes, GSTP1AB and GSTP1BB. Those produce a variant enzyme with lower activity and less capability of effective detoxification of carcinogens than the wild type GSTP1AA. In order to look for the influence of GSTP1 enzymes inheritance pattern on thyroid cancer risk we used a PCR-SSCP-sequencing approach to compare the genotypes of 98 malignant nodules, including 77 papillary carcinomas (PC) and 21 follicular carcinomas (FC), to 44 benign nodules and to 157 healthy control individuals. Individuals with history of previous thyroid disease, exposure to radiation and antecedents of malignancy were excluded. Patients with PC and FC showed a significant over-representation of the variants of GSTP1 allele compared to the control population (p < 0.0001 The risk for thyroid cancer in individuals with the variant GSTP1 enzymes, after adjusting for gender, age, tobacco and drugs use, increased 7,092 (CI: 2,307-21,802) and 9,625 (CI: 2.484-37.291) times for PC and FC, respectively. We suggest that GST genotype may be associated with an increased susceptibility to thyroid cancer. GSTP1 profiling from peripheral blood may be a simple and useful tool in the screening for thyroid nodule malignancy. Glutathione-S-Transferase system; GSTP; Thyroid cancer; Screening.
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Affiliation(s)
- Fabiana Granja
- Laboratory of Cancer Molecular Genetics, Department of Medicine, State University of Campinas, São Paulo, Olympio Pattaro 45, 13085-857. Brazil
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Sikdar N, Paul RR, Roy B. GlutathioneS-transferaseM3 (A/A) genotype as a risk factor for oral cancer and leukoplakia among Indian tobacco smokers. Int J Cancer 2004; 109:95-101. [PMID: 14735473 DOI: 10.1002/ijc.11610] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Polymorphism in glutathione S-transferase (GST) genes, causing variations in enzyme activities, may influence susceptibility to oral cancer and leukoplakia in smokers and/or smokeless tobacco users. In this case-control study consisting of 109 leukoplakia and 256 oral cancer patients and 259 controls, genotype frequencies at GSTM1, GSTT1, GSTM3 and GSTP1 loci were determined by polymerase chain reaction-restriction fragment length polymorphism methods and analyzed by multiple logistic regression to determine the risks of the diseases. There were no significant differences in the distributions of GSTM1, GSTM3 and GSTT1 genotypes in patients and controls when all individuals were compared. In contrast, frequencies of ile/ile genotype at codon 105 and variant val-ala haplotype of GSTP1 was significantly higher (OR = 1.5; 95% CI = 1.0-2.0) and lower (OR = 1.4; 95% CI = 1.0-1.9) in oral cancer patients compare to controls, respectively. The impacts of all genotypes on risks of oral cancer and leukoplakia were also analyzed in patients with different tobacco habits and doses. Increased risks of cancer and leukoplakia were observed in tobacco smokers with GSTM3 (A/A) genotype (OR = 2.0, 95% CI = 1.0-4.0; OR = 2.0, 95% CI = 1.0-4.4, respectively). So, GSTM3 (A/A) genotype could become one of the markers to know which of the leukoplakia would be transformed into cancer. Heavy tobacco chewing (> 124 chewing-year) increased the risk of cancer in individuals with GSTT1 homozygous null genotype (OR = 3.0; 95% CI = 1.0-9.8). Furthermore, increased lifetime exposure to tobacco smoking (> 11.5 pack-year) increased the risk of leukoplakia in individuals with GSTM1 homozygous null genotype (OR = 2.4; 95% CI = 1.0-5.7). It may be suggested that polymorphisms in GSTP1, GSTM1, GSTM3 and GSTT1 genes regulate risk of cancer and leukoplakia differentially among different tobacco habituals.
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Affiliation(s)
- Nilabja Sikdar
- Anthropology and Human Genetics Unit, Biological Sciences Division, Indian Statistical Institute, Kolkata, India
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Ishimoto TM, Ali-Osman F. Allelic variants of the human glutathione S-transferase P1 gene confer differential cytoprotection against anticancer agents in Escherichia coli. PHARMACOGENETICS 2002; 12:543-53. [PMID: 12360105 DOI: 10.1097/00008571-200210000-00006] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The polymorphic human GSTP1 gene locus encodes proteins that differentially metabolize electrophilic substrates, including, many chemotherapeutic agents used in clinical cancer therapy. In this study, we used XL1-Blue MRF strain, transformed with phagemid expression vectors carrying cDNAs of three GSTP1 alleles, to investigate the cytoprotective abilities of the different GSTP1 alleles against four clinically active anticancer agents, namely, carboplatin, cisplatin, thiotepa, and 4-hydroperoxyifosfamide. Following induction of protein expression with isopropyl-beta-d-thiogalactoside, the cells were treated with each drug for 3 h (1 h for 4-hydroperoxyifosfamide). Surviving fractions were determined and used to compute a cytoprotective factor for each allele against each drug. The results showed all the GSTP1 alleles to be cytoprotective, albeit, to different degrees. For cisplatin and carboplatin, the allele was most protective, with CPs of 5.58 and 3.76, respectively, compared with 1.21 and 1.61 for and 2.50 and 2.79 for. In contrast, protection against thiotepa was highest for the allele, with a cytoprotective factor of 1.56, compared to 1.32 for and 1.1 for. For 4-hydroperoxyifosfamide, the CP for and was the same, 1.45, compared with 1.18 for. These data demonstrate significant differences in the ability of the different GSTP1 alleles to protect against the cytotoxicity of electrophilic anticancer agents. The level of protection differs significantly between different GSTP1 alleles, and between different anticancer agents. The optimized prokaryotic system described provides a useful and rapid tool for pharmacogenetic analysis of the effects of genes on drug sensitivity.
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Affiliation(s)
- Tricia M Ishimoto
- Section of Molecular Therapeutics, Department of Neurosurgery, The University of Texas, MS Anderson Cancer Center, Houston, TX 77030, USA
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Satoh K, Hayakari M, Ookawa K, Satou M, Aizawa S, Tanaka M, Hatayama I, Tsuchida S, Uchida K. Lipid peroxidation end products-responded induction of a preneoplastic marker enzyme glutathione S-transferase P-form (GST-P) in rat liver on admistration via the portal vein. Mutat Res 2001; 483:65-72. [PMID: 11600134 DOI: 10.1016/s0027-5107(01)00225-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The in vivo induction mechanism of a preneoplastic marker enzyme, glutathione S-transferase P-form (GST-P), by a number of carcinogens and some noncarcinogens such as anti-oxidants [Proc. Natl. Acad. Sci. U.S.A. 85 (1984) 3964] has remained to be solved. Among the various administration routes tested, GST-P became immunohistochemically demonstrable in the liver centrilobular zone 3 after 24-48h on administration of prostaglandin J2's, 15-deoxy-Delta(12,14)-PGJ2, PGJ2 and Delta(12)-PGJ2 to male rats via the portal vein, whereby the animals had been pretreated with Soya oil intraperitoneally to exhaust fatty acid binding proteins. Unsaturated aldehydes, 4-hydroxynonenal, crotonaldehyde and acrolein, given by the same route induced putatively preneoplastic single cells positive for GST-P. As these lipid peroxidation end products are the substrates as well as inducers of the enzyme, its physiological function could be their detoxication. These results indicate that GST-P expression can be mediated through lipid peroxidation possibly accounting for induction observed with a wide variety of carcinogens. In addition, present method may also be of use as a direct, simple, rapid, and sensitive in vivo test in examination of other biological responses.
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Affiliation(s)
- K Satoh
- Second Department of Biochemistry, School of Medicine, Hirosaki University, 5 Zaifu-cho, 036-8562, Hirosaki, Japan.
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Bellincampi L, Ballerini S, Bernardini S, Inserra A, Marchetti P, Boglino C, Donfrancesco A, Federici G. Glutathione transferase P1 polymorphism in neuroblastoma studied by endonuclease restriction mapping. Clin Chem Lab Med 2001; 39:830-5. [PMID: 11601682 DOI: 10.1515/cclm.2001.138] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Several members of the different glutathione transferase (GST) gene classes are polymorphic. Particular interest has been focused on the GSTP class because this gene class is up-regulated during the early stage of oncogenesis and is significantly overexpressed in many human tumors. It has also been shown that high levels of GSTP1 expression are associated directly with tumor drug resistance and with poor patient survival. Our aim was to understand the possible association between GSTP1 polymorphism and cellular response to chemotherapeutic drugs in neuroblastoma. In fact, several antineoplastic drugs used in the neuroblastoma high-risk chemotherapeutic protocol are potential substrates of GSTP1-1 (etoposide, adriamycin and carboplatin). The GSTP1 genotype homozygote *A/*A was identified in 11 patients independent of their response to the chemotherapeutic treatment. Only four patients had a heterozygote genotype A*/B*. Therefore, based on our preliminary data, we were not able to conclude that GSTP1 polymorphism had an impact on patient response to treatment in neuroblastoma.
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Affiliation(s)
- L Bellincampi
- Department of Internal Medicine, University of Rome Tor Vergata, Rome, Italy
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Pal A, Desai DH, Amin S, Srivastava SK, Hu X, Herzog C, Zimniak P, Singh SV. Location of the epoxide function determines specificity of the allelic variants of human glutathione transferase Pi toward benzo[c]chrysene diol epoxide isomers. FEBS Lett 2000; 486:163-6. [PMID: 11113459 DOI: 10.1016/s0014-5793(00)02254-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Carcinogenic activity of many polycyclic aromatic hydrocarbons (PAHs) is mainly attributed to their respective diol epoxides, which can be classified as either bay or fjord region depending upon the location of the epoxide function. The Pi class human glutathione (GSH) transferase (hGSTP1-1), which is polymorphic in humans with respect to amino acid residues in positions 104 (isoleucine or valine) and/or 113 (alanine or valine), plays an important role in the detoxification of PAH-diol epoxides. Here, we report that the location of the epoxide function determines specificity of allelic variants of hGSTP1-1 toward racemic anti-diol epoxide isomers of benzo[c]chrysene (B[c]C). The catalytic efficiency (k(cat)/K(m)) of V104,A113 (VA) and V104,V113 (VV) variants of hGSTP1-1 was approximately 2.3- and 1.7-fold higher, respectively, than that of the I104,A113 (IA) isoform toward bay region isomer (+/-)-anti-B[c]C-1,2-diol-3,4-epoxide. On the other hand, the IA variant was approximately 1.6- and 3.5-fold more efficient than VA and VV isoforms, respectively, in catalyzing the GSH conjugation of fjord region isomer (+/-)-anti-B[c]C-9,10-diol-11,12-epoxide. The results of the present study clearly indicate that the location of the epoxide function determines specificity of the allelic variants of hGSTP1-1 in the GSH conjugation of activated diol epoxide isomers of B[c]C.
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Affiliation(s)
- A Pal
- Department of Pharmacology and University of Pittsburgh Cancer Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213-2582, USA
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48
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Pandya U, Srivastava SK, Singhal SS, Pal A, Awasthi S, Zimniak P, Awasthi YC, Singh SV. Activity of allelic variants of Pi class human glutathione S-transferase toward chlorambucil. Biochem Biophys Res Commun 2000; 278:258-62. [PMID: 11071881 DOI: 10.1006/bbrc.2000.3787] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Clinical efficacy of alkylating anticancer drugs, such as chlorambucil, is often limited by the emergence of drug resistant tumor cells. Increased glutathione (GSH) conjugation (inactivation) of alkylating anticancer drugs or their activated metabolites due to overexpression of the Pi class GSH S-transferase (hGSTP1-1) is believed to be an important mechanism in tumor cell resistance to alkylating agents. Interestingly, the hGSTP1 locus is polymorphic in human populations and involves amino acid residues in positions 104 (isoleucine or valine) and/or 113 (alanine or valine). Here, we report that the allelic variants of hGSTP1-1 significantly differ in their efficiency in catalyzing the GSH conjugation of chlorambucil. Catalytic efficiency of the hGSTP1-1(I104,A113) isoform toward chlorambucil was approximately 2.5-, 7.5- and 15-fold higher compared with I104,V113, V104,A113 and V104,V113 variants of hGSTP1-1, respectively. The results of the present study suggest that hGSTP1-1 polymorphism may be an important factor in GST-mediated tumor cell resistance to some alkylating agents.
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Affiliation(s)
- U Pandya
- Department of Human Biological Chemistry and Genetics, University of Texas Medical Branch, Galveston, Texas 77555, USA
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Lee JM, Lee YC, Yang SY, Shi WL, Lee CJ, Luh SP, Chen CJ, Hsieh CY, Wu MT. Genetic polymorphisms of p53 and GSTP1,but not NAT2,are associated with susceptibility to squamous-cell carcinoma of the esophagus. Int J Cancer 2000. [PMID: 11008209 DOI: 10.1002/1097-0215(20000920)89:5%3c458::aid-ijc10%3e3.0.co;2-r] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The interaction of genetic and environmental factors can determine an individual's susceptibility to various cancers. We present a hospital-based case-control study, which included 90 patients of esophageal squamous-cell carcinoma (ESCC) and 254 healthy people in Taiwan, to investigate the effects of genetic polymorphisms of p53, GSTP1 and NAT2 on the risk of ESCC. Polymorphisms of p53, NAT2 and GSTP1 were determined by PCR-RFLP. The codon 72 p53 Pro allele was more frequently found in ESCC patients [odds ratio (OR) 1.86, 95% confidence interval (CI) 1.04-3.35 for Arg/Pro genotype and OR 2.56, 95% CI 1.29-5.08 for Pro/Pro genotype]. In cigarette smokers, the frequency of GSTP1 Ile/Ile genotype was higher in ESCC patients (OR 2.8, 95% CI 1.4-5.7). Among alcohol drinkers, borderline significance was also found for GSTP1 Ile/Ile genotype (OR 2.0, 95% CI 0.9-4.4). Results were not similar for the NAT2 genetic polymorphism. Using logistic analyses, we found that individuals with p53 Pro/Pro genotype had a significantly higher risk of developing ESCC than those with Arg/Arg genotype (OR 2.3, 95% CI 1. 1-5.1), after adjusting for other significant environmental risk factors. This result remained similar (OR 2.2, 95% CI 1.0-4.8 for p53 Pro/Pro vs. Arg/Arg), even after further adjustment for NAT2 and GSTP1 polymorphisms. The codon 72 p53 Pro/Pro genotype in the general population and GSTP1 Ile/Ile in cigarette smokers may predict a higher risk of developing ESCC.
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Affiliation(s)
- J M Lee
- Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan.
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50
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Lee JM, Lee YC, Yang SY, Shi WL, Lee CJ, Luh SP, Chen CJ, Hsieh CY, Wu MT. Genetic polymorphisms of p53 and GSTP1,but not NAT2,are associated with susceptibility to squamous-cell carcinoma of the esophagus. Int J Cancer 2000; 89:458-64. [PMID: 11008209 DOI: 10.1002/1097-0215(20000920)89:5<458::aid-ijc10>3.0.co;2-r] [Citation(s) in RCA: 85] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The interaction of genetic and environmental factors can determine an individual's susceptibility to various cancers. We present a hospital-based case-control study, which included 90 patients of esophageal squamous-cell carcinoma (ESCC) and 254 healthy people in Taiwan, to investigate the effects of genetic polymorphisms of p53, GSTP1 and NAT2 on the risk of ESCC. Polymorphisms of p53, NAT2 and GSTP1 were determined by PCR-RFLP. The codon 72 p53 Pro allele was more frequently found in ESCC patients [odds ratio (OR) 1.86, 95% confidence interval (CI) 1.04-3.35 for Arg/Pro genotype and OR 2.56, 95% CI 1.29-5.08 for Pro/Pro genotype]. In cigarette smokers, the frequency of GSTP1 Ile/Ile genotype was higher in ESCC patients (OR 2.8, 95% CI 1.4-5.7). Among alcohol drinkers, borderline significance was also found for GSTP1 Ile/Ile genotype (OR 2.0, 95% CI 0.9-4.4). Results were not similar for the NAT2 genetic polymorphism. Using logistic analyses, we found that individuals with p53 Pro/Pro genotype had a significantly higher risk of developing ESCC than those with Arg/Arg genotype (OR 2.3, 95% CI 1. 1-5.1), after adjusting for other significant environmental risk factors. This result remained similar (OR 2.2, 95% CI 1.0-4.8 for p53 Pro/Pro vs. Arg/Arg), even after further adjustment for NAT2 and GSTP1 polymorphisms. The codon 72 p53 Pro/Pro genotype in the general population and GSTP1 Ile/Ile in cigarette smokers may predict a higher risk of developing ESCC.
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Affiliation(s)
- J M Lee
- Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan.
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