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Timofeeva АА, Minina VI, Torgunakova AV, Soboleva ОА, Тitov RА, Zakharova YА, Bakanova ML, Glushkov АN. Polymorphic variants of the hOGG1, APEX1, XPD, SOD2, and CAT genes involved in DNA repair processes and antioxidant defense and their association with breast cancer risk. Vavilovskii Zhurnal Genet Selektsii 2024; 28:424-432. [PMID: 39027127 PMCID: PMC11253018 DOI: 10.18699/vjgb-24-48] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 01/12/2024] [Accepted: 02/26/2024] [Indexed: 07/20/2024] Open
Abstract
Breast cancer is one of the leading causes of mortality among women. The most frequently encountered tumors are luminal tumors. Associations of polymorphisms in the hOGG1 (rs1052133), APEX1 (rs1130409), XPD (rs13181), SOD2 (rs4880), and CAT (rs1001179) genes were studied in 313 nonsmoking postmenopausal patients with luminal B subtype breast cancer. The control group consisted of 233 healthy nonsmoking postmenopausal women. Statistically significant associations of the XPD and APEX1 gene polymorphisms with the risk of developing luminal B Her2-negative subtype of breast cancer were observed in a log-additive inheritance model, while the CAT gene polymorphism showed an association in a dominant inheritance model (OR = 1.41; CI 95 %: 1.08-1.85; Padj.= 0.011; OR = 1.39; CI 95 %: 1.07-1.81; Padj = 0.013 и OR = 1.70; CI 95 %: 1.19-2.43; Padj = 0.004, respectively). In the group of elderly women (aged 60-74 years), an association of the CAT gene polymorphism with the risk of developing luminal B subtype of breast cancer was found in a log-additive inheritance model (OR = 1.87; 95 % CI: 1.22-2.85; Padj = 0.0024). Using MDR analysis, the most optimal statistically significant 3-locus model of gene-gene interactions in the development of luminal B Her2-negative subtype breast cancer was found. MDR analysis also showed a close interaction and mutual enhancement of effects between the APEX1 and SOD2 loci and the independence of the effects of these loci from the CAT locus in the formation of luminal B subtype breast cancer.
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Affiliation(s)
- А А Timofeeva
- Federal Research Center of Coal and Coal Chemistry of the Siberian Branch of the Russian Academy of Sciences, Kemerovo, Russia
| | - V I Minina
- Federal Research Center of Coal and Coal Chemistry of the Siberian Branch of the Russian Academy of Sciences, Kemerovo, Russia Kemerovo State University, Kemerovo, Russia
| | - A V Torgunakova
- Federal Research Center of Coal and Coal Chemistry of the Siberian Branch of the Russian Academy of Sciences, Kemerovo, Russia Kemerovo State University, Kemerovo, Russia
| | - О А Soboleva
- Federal Research Center of Coal and Coal Chemistry of the Siberian Branch of the Russian Academy of Sciences, Kemerovo, Russia
| | - R А Тitov
- Federal Research Center of Coal and Coal Chemistry of the Siberian Branch of the Russian Academy of Sciences, Kemerovo, Russia Kemerovo State University, Kemerovo, Russia
| | - Ya А Zakharova
- Federal Research Center of Coal and Coal Chemistry of the Siberian Branch of the Russian Academy of Sciences, Kemerovo, Russia Kemerovo State University, Kemerovo, Russia
| | - M L Bakanova
- Federal Research Center of Coal and Coal Chemistry of the Siberian Branch of the Russian Academy of Sciences, Kemerovo, Russia
| | - А N Glushkov
- Federal Research Center of Coal and Coal Chemistry of the Siberian Branch of the Russian Academy of Sciences, Kemerovo, Russia
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The structure-function relationships and physiological roles of MnSOD mutants. Biosci Rep 2022; 42:231385. [PMID: 35662317 PMCID: PMC9208312 DOI: 10.1042/bsr20220202] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 05/10/2022] [Accepted: 06/01/2022] [Indexed: 11/17/2022] Open
Abstract
In this review, we focus on understanding the structure–function relationships of numerous manganese superoxide dismutase (MnSOD) mutants to investigate the role that various amino acids play to maintain enzyme quaternary structure or the active site structure, catalytic potential and metal homeostasis in MnSOD, which is essential to maintain enzyme activity. We also observe how polymorphisms of MnSOD are linked to pathologies and how post-translational modifications affect the antioxidant properties of MnSOD. Understanding how modified forms of MnSOD may act as tumor promoters or suppressors by altering the redox status in the body, ultimately aid in generating novel therapies that exploit the therapeutic potential of mutant MnSODs or pave the way for the development of synthetic SOD mimics.
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Al Zoubi M, Aljabali A. Polymorphisms, antioxidant genes, and cancer. Cancer 2021. [DOI: 10.1016/b978-0-12-819547-5.00010-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Brand MD. Riding the tiger - physiological and pathological effects of superoxide and hydrogen peroxide generated in the mitochondrial matrix. Crit Rev Biochem Mol Biol 2020; 55:592-661. [PMID: 33148057 DOI: 10.1080/10409238.2020.1828258] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Elevated mitochondrial matrix superoxide and/or hydrogen peroxide concentrations drive a wide range of physiological responses and pathologies. Concentrations of superoxide and hydrogen peroxide in the mitochondrial matrix are set mainly by rates of production, the activities of superoxide dismutase-2 (SOD2) and peroxiredoxin-3 (PRDX3), and by diffusion of hydrogen peroxide to the cytosol. These considerations can be used to generate criteria for assessing whether changes in matrix superoxide or hydrogen peroxide are both necessary and sufficient to drive redox signaling and pathology: is a phenotype affected by suppressing superoxide and hydrogen peroxide production; by manipulating the levels of SOD2, PRDX3 or mitochondria-targeted catalase; and by adding mitochondria-targeted SOD/catalase mimetics or mitochondria-targeted antioxidants? Is the pathology associated with variants in SOD2 and PRDX3 genes? Filtering the large literature on mitochondrial redox signaling using these criteria highlights considerable evidence that mitochondrial superoxide and hydrogen peroxide drive physiological responses involved in cellular stress management, including apoptosis, autophagy, propagation of endoplasmic reticulum stress, cellular senescence, HIF1α signaling, and immune responses. They also affect cell proliferation, migration, differentiation, and the cell cycle. Filtering the huge literature on pathologies highlights strong experimental evidence that 30-40 pathologies may be driven by mitochondrial matrix superoxide or hydrogen peroxide. These can be grouped into overlapping and interacting categories: metabolic, cardiovascular, inflammatory, and neurological diseases; cancer; ischemia/reperfusion injury; aging and its diseases; external insults, and genetic diseases. Understanding the involvement of mitochondrial matrix superoxide and hydrogen peroxide concentrations in these diseases can facilitate the rational development of appropriate therapies.
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Luo H, Fang YJ, Zhang X, Feng XL, Zhang NQ, Abulimiti A, Huang CY, Zhang CX. Association between Dietary Zinc and Selenium Intake, Oxidative Stress-Related Gene Polymorphism, and Colorectal Cancer Risk in Chinese Population - A Case-Control Study. Nutr Cancer 2020; 73:1621-1630. [PMID: 32777945 DOI: 10.1080/01635581.2020.1804950] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Zinc and selenium may protect against colorectal cancer (CRC) progression through their anti-oxidative effects. This study examined the independent and combined effect of dietary zinc and selenium intake, and polymorphisms of the oxidative stress-related genes (superoxide dismutase 1, superoxide dismutase 2, glutathione peroxidase, and catalase) on CRC risk in a Chinese case-control study. A total of 493 cases and 498 sex and age-matched controls were randomly selected from an ongoing case-control study. Dietary information was assessed through face-to-face interviews using a validated food frequency questionnaire. Multiplex PCR-ligase detection reaction was used for genotyping the target SNPs. Multivariable logistic regression was used to estimate the odds ratios (ORs) and 95% confidence interval (CI). Intake of selenium was found to be inversely associated with CRC risk, while zinc was not associated with CRC risk. The ORs (95% CI) for the highest vs. the lowest quartile were 0.42 (95% CI 0.28, 0.64, Ptrend < 0.001) for selenium and 0.96 (95% CI 0.63, 1.47, Ptrend = 0.505) for zinc. Combined effect was observed between zinc and SOD1 rs4998557 on CRC risk (Pinteraction < 0.05). This study identified a novel diet-gene interaction in the oxidative stress pathway on CRC risk in Chinese population.
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Affiliation(s)
- Hong Luo
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Yu-Jing Fang
- Department of Colorectal Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People's Republic of China.,Department of Experimental Research, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People's Republic of China
| | - Xin Zhang
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Xiao-Li Feng
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Nai-Qi Zhang
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Alinuer Abulimiti
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Chu-Yi Huang
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Cai-Xia Zhang
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, People's Republic of China
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Callejón-Leblic B, Arias-Borrego A, Pereira-Vega A, Gómez-Ariza JL, García-Barrera T. The Metallome of Lung Cancer and its Potential Use as Biomarker. Int J Mol Sci 2019; 20:ijms20030778. [PMID: 30759767 PMCID: PMC6387380 DOI: 10.3390/ijms20030778] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 01/28/2019] [Accepted: 02/06/2019] [Indexed: 02/06/2023] Open
Abstract
Carcinogenesis is a very complex process in which metals have been found to be critically involved. In this sense, a disturbed redox status and metal dyshomeostasis take place during the onset and progression of cancer, and it is well-known that trace elements participate in the activation or inhibition of enzymatic reactions and metalloproteins, in which they usually participate as cofactors. Until now, the role of metals in cancer have been studied as an effect, establishing that cancer onset and progression affects the disturbance of the natural chemical form of the essential elements in the metabolism. However, it has also been studied as a cause, giving insights related to the high exposure of metals giving a place to the carcinogenic process. On the other hand, the chemical species of the metal or metallobiomolecule is very important, since it finally affects the biological activity or the toxicological potential of the element and their mobility across different biological compartments. Moreover, the importance of metal homeostasis and metals interactions in biology has also been demonstrated, and the ratios between some elements were found to be different in cancer patients; however, the interplay of elements is rarely reported. This review focuses on the critical role of metals in lung cancer, which is one of the most insidious forms of cancer, with special attention to the analytical approaches and pitfalls to extract metals and their species from tissues and biofluids, determining the ratios of metals, obtaining classification profiles, and finally defining the metallome of lung cancer.
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Affiliation(s)
- Belén Callejón-Leblic
- Department of Chemistry, Faculty of Experimental Sciences, University of Huelva, Campus de El Carmen, Research Center on Health and Environment (RENSMA), 21007 Huelva, Spain.
| | - Ana Arias-Borrego
- Department of Chemistry, Faculty of Experimental Sciences, University of Huelva, Campus de El Carmen, Research Center on Health and Environment (RENSMA), 21007 Huelva, Spain.
| | | | - José Luis Gómez-Ariza
- Department of Chemistry, Faculty of Experimental Sciences, University of Huelva, Campus de El Carmen, Research Center on Health and Environment (RENSMA), 21007 Huelva, Spain.
| | - Tamara García-Barrera
- Department of Chemistry, Faculty of Experimental Sciences, University of Huelva, Campus de El Carmen, Research Center on Health and Environment (RENSMA), 21007 Huelva, Spain.
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Wang P, Zhu Y, Xi S, Li S, Zhang Y. Association between MnSOD Val16Ala Polymorphism and Cancer Risk: Evidence from 33,098 Cases and 37,831 Controls. DISEASE MARKERS 2018; 2018:3061974. [PMID: 30245752 PMCID: PMC6139213 DOI: 10.1155/2018/3061974] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 07/25/2018] [Indexed: 12/31/2022]
Abstract
Manganese superoxide dismutase (MnSOD) plays a critical role in the defense against reactive oxygen species. The association between MnSOD Val16Ala polymorphism and cancer risk has been widely studied, but the results are contradictory. To obtain more precision on the association, we performed the current meta-analysis with 33,098 cases and 37,831 controls from 88 studies retrieved from PubMed, Embase, Chinese National Knowledge Infrastructure (CNKI), and Wanfang databases. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were used to assess the strength of association. We found that the polymorphism was associated with an increased overall cancer risk (homozygous: OR = 1.09, 95% CI = 1.00-1.19; heterozygous: OR = 1.07, 95% CI = 1.02-1.12; dominant: OR = 1.08, 95% CI = 1.02-1.14; and allele comparison: OR = 1.06, 95% CI = 1.02-1.11). Stratification analysis further showed an increased risk for prostate cancer, Asians, Caucasians, population-based studies, hospital-based studies, low quality and high quality studies. However, the increased risk for MnSOD Val16Ala polymorphism among Asians needs further validation based on the false-positive report probability (FPRP) test. To summarize, this meta-analysis suggests that the MnSOD Val16Ala polymorphism is associated with significantly increased cancer risk, which needs further validation in single large studies.
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Affiliation(s)
- Ping Wang
- Department of Biochemistry and Molecular Biology, Medical College, Henan University of Science and Technology, Luoyang, Henan 471023, China
| | - Yanfeng Zhu
- School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, Henan 471023, China
| | - Shoumin Xi
- Department of Biochemistry and Molecular Biology, Medical College, Henan University of Science and Technology, Luoyang, Henan 471023, China
| | - Sanqiang Li
- Department of Biochemistry and Molecular Biology, Medical College, Henan University of Science and Technology, Luoyang, Henan 471023, China
| | - Yanle Zhang
- Department of Biochemistry and Molecular Biology, Medical College, Henan University of Science and Technology, Luoyang, Henan 471023, China
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Callejón-Leblic B, Gómez-Ariza JL, Pereira-Vega A, García-Barrera T. Metal dyshomeostasis based biomarkers of lung cancer using human biofluids. Metallomics 2018; 10:1444-1451. [DOI: 10.1039/c8mt00139a] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Metals, ratios, interactions and species in serum, urine and bronchoalveolar lavage fluid as biomarkers of lung cancer.
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Affiliation(s)
- Belén Callejón-Leblic
- Department of Chemistry, Faculty of Experimental Sciences
- University of Huelva
- Campus de El Carmen
- Research Center on Health and Environment (RENSMA)
- Huelva-21007
| | - José Luis Gómez-Ariza
- Department of Chemistry, Faculty of Experimental Sciences
- University of Huelva
- Campus de El Carmen
- Research Center on Health and Environment (RENSMA)
- Huelva-21007
| | | | - Tamara García-Barrera
- Department of Chemistry, Faculty of Experimental Sciences
- University of Huelva
- Campus de El Carmen
- Research Center on Health and Environment (RENSMA)
- Huelva-21007
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9
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Gómez-Flores-Ramos L, Álvarez-Gómez RM, Villarreal-Garza C, Wegman-Ostrosky T, Mohar A. Breast cancer genetics in young women: What do we know? MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2017; 774:33-45. [PMID: 29173497 DOI: 10.1016/j.mrrev.2017.08.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Revised: 04/21/2017] [Accepted: 08/17/2017] [Indexed: 12/12/2022]
Abstract
Breast cancer (BC) in young women, generally defined in oncology as women who are 40 years of age or younger, represents 2 out of 10 BC cases in developing countries. Several research studies, including genetic cancer panel tests, genome-wide association studies, expression analyses and polymorphisms reports, have found that young women with BC exhibit a higher genetic susceptibility and specific genomic signature compared to postmenopausal women with BC. Thus, international guidelines recommend genetic counseling for this age population. This review presents the current state of the art of genetics and genomics with regards to young women with BC.
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Affiliation(s)
- Liliana Gómez-Flores-Ramos
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Circuito Mario de la Cueva, Coyoacán, Ciudad Universitaria, C.P. 04510, Mexico City, Mexico; Unidad de Investigación en Epidemiología, Subdivisión de Investigación Básica, Instituto Nacional de Cancerología, Av. San Fernando # 22, Col. Sección XVI, Delegación Tlalpan, C.P. 14080, Mexico City, Mexico
| | - Rosa María Álvarez-Gómez
- Clínica de Cáncer Hereditario, Subdivisión de Investigación Básica, Instituto Nacional de Cancerlogía, Av. San Fernando # 22, Col. Sección XVI, Delegación Tlalpan, C.P. 14080, Mexico City, Mexico
| | - Cynthia Villarreal-Garza
- Clínica de Cáncer Hereditario, Subdivisión de Investigación Básica, Instituto Nacional de Cancerlogía, Av. San Fernando # 22, Col. Sección XVI, Delegación Tlalpan, C.P. 14080, Mexico City, Mexico; Centro de Cáncer de Mama, Tecnológico de Monterrey, Centro Médico Zambrano Hellion, 6° Piso Av. Batallón de San Patricio #112 Col. Real San Agustín, San Pedro Garza García C.P. 66278, Nuevo León, Mexico
| | - Talia Wegman-Ostrosky
- Clínica de Cáncer Hereditario, Subdivisión de Investigación Básica, Instituto Nacional de Cancerlogía, Av. San Fernando # 22, Col. Sección XVI, Delegación Tlalpan, C.P. 14080, Mexico City, Mexico
| | - Alejandro Mohar
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Circuito Mario de la Cueva, Coyoacán, Ciudad Universitaria, C.P. 04510, Mexico City, Mexico; Unidad de Investigación en Epidemiología, Subdivisión de Investigación Básica, Instituto Nacional de Cancerología, Av. San Fernando # 22, Col. Sección XVI, Delegación Tlalpan, C.P. 14080, Mexico City, Mexico.
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10
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Wang C, Liu Y, Zhou J, Ye L, Chen N, Zhu M, Ji Y. There is no relationship between SOD2 Val-16Ala polymorphism and breast cancer risk or survival. Mol Clin Oncol 2017; 7:579-590. [PMID: 29046792 DOI: 10.3892/mco.2017.1376] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Accepted: 07/21/2017] [Indexed: 02/05/2023] Open
Abstract
Breast cancer is the most common diagnosed cancer among females worldwide. Superoxide dismutase 2 (SOD2), an antioxidant enzyme, may break the balance between the oxidant and antioxidant system to induce various diseases. The present study aimed to clarify the association between the SOD2 Val-16Ala polymorphism and breast cancer risk or survival. Thus, a meta-analysis of the relevant articles retrieved from PubMed and EMBASE databases was conducted to illuminate the association with odd ratios (ORs) or hazards ratios (HRs). A total of 26 eligible publications (n=38,008) were available in risk analysis and eight publications (n=5,746) in survival analysis. The results demonstrated a marginal association between breast cancer risk and SOD2 polymorphism in Caucasian patients [TT vs. CT + CC: (OR, 0.94; 95% confidence interval (CI), 0.88-1.00)]. However, no other positive results were observed in risk and survival of breast cancer in the whole study [T vs. C: (OR, 0.99; 95% CI, 0.96-1.02); CT vs. CC: (OR, 1.00; 95% CI, 0.95-1.05); TT vs. CC: (OR, 0.98; 95% CI, 0.92-1.05); TT vs. CT + CC: (OR, 1.00; 95% CI, 0.95-1.05); CT + TT vs. CC: (OR, 0.99; 95% CI, 0.95-1.05)]. The present meta-analysis indicated that there was no significant relationship between SOD2 Val-16Ala polymorphism and breast cancer risk or survival, although in Caucasian patients, the SOD2 TT genotype may marginally decrease the risk of breast cancer in comparison to the CT + CC genotype.
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Affiliation(s)
- Chengdi Wang
- Department of Respiratory and Critical Care Medicine, West China Medical School/West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yang Liu
- Department of Vascular Surgery, West China Medical School/West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Jian Zhou
- Department of Thoracic Surgery, West China Medical School/West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Lei Ye
- Department of Vascular Surgery, West China Medical School/West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Nan Chen
- Department of Thoracic Surgery, West China Medical School/West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Min Zhu
- Department of Respiratory and Critical Care Medicine, West China Medical School/West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yulin Ji
- Department of Respiratory and Critical Care Medicine, West China Medical School/West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
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11
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Ekoue DN, Bera S, Ansong E, Hart PC, Zaichick S, Domann FE, Bonini MG, Diamond AM. Allele-specific interaction between glutathione peroxidase 1 and manganese superoxide dismutase affects the levels of Bcl-2, Sirt3 and E-cadherin. Free Radic Res 2017; 51:582-590. [PMID: 28587495 PMCID: PMC5683088 DOI: 10.1080/10715762.2017.1339303] [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] [Indexed: 02/07/2023]
Abstract
Manganese superoxide dismutase (MnSOD) is a mitochondrial-resident enzyme that reduces superoxide to hydrogen peroxide (H2O2), which can be further reduced to water by glutathione peroxidase (GPX1). Data from human studies have indicated that common polymorphisms in both of these proteins are associated with the risk of several cancers, including breast cancer. Moreover, polymorphisms in MnSOD and GPX1 were shown to interact to increase the risk of breast cancer. To gain an understanding of the molecular mechanisms behind these observations, we engineered human MCF-7 breast cancer cells to exclusively express GPX1 and/or MnSOD alleles and investigated the consequences on the expression of several proteins associated with cancer aetiology. Little or no effect was observed on the ectopic expression of these genes on the phosphorylation of Akt, although allele-specific effects and interactions were observed for the impact on the levels of Bcl-2, E-cadherin and Sirt3. The patterns observed were not consistent with the steady-state levels of H2O2 determined in the transfected cells. These results indicate plausible contributing factors to the effects of allelic variations on cancer risk observed in human epidemiological studies.
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Affiliation(s)
- Dede N. Ekoue
- Department of Pathology, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Soumen Bera
- School of Life Sciences, B. S. Abdur Rahman University, India
| | - Emmanuel Ansong
- Department of Pathology, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Peter C. Hart
- Department of Pathology, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Sofia Zaichick
- Department of Pathology, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | | | - Marcelo G. Bonini
- Department of Pathology, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA,Department of Medicine, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Alan M. Diamond
- Department of Pathology, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA,Corresponding author: Phone +01 312 413 8747,
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Becuwe P, Ennen M, Klotz R, Barbieux C, Grandemange S. Manganese superoxide dismutase in breast cancer: from molecular mechanisms of gene regulation to biological and clinical significance. Free Radic Biol Med 2014; 77:139-51. [PMID: 25224035 DOI: 10.1016/j.freeradbiomed.2014.08.026] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Revised: 08/21/2014] [Accepted: 08/21/2014] [Indexed: 01/06/2023]
Abstract
Breast cancer is one of the most common malignancies of all cancers in women worldwide. Many difficulties reside in the prediction of tumor metastatic progression because of the lack of sufficiently reliable predictive biological markers, and this is a permanent preoccupation for clinicians. Manganese superoxide dismutase (MnSOD) may represent a rational candidate as a predictive biomarker of breast tumor metastatic progression, because its gene expression is profoundly altered between early and advanced breast cancer, in contrast to expression in the normal mammary gland. In this review, we report the characterization of some gene polymorphisms and molecular mechanisms of SOD2 gene regulation, which allows a better understanding of how MnSOD is decreased in early breast cancer and increased in advanced breast cancer. Several studies display the biological significance of MnSOD level in proliferation as well as in invasive and angiogenic abilities of breast tumor cells by controlling superoxide anion radical (O2(•-)) and hydrogen peroxide (H2O2). Particularly, they report how these reactive oxygen species may activate some signaling pathways involved in breast tumor growth. Emerging understanding of these findings provides an interesting framework for guiding translational research and suggests a way to define precisely the clinical interest of MnSOD as a prognostic and/or predicting marker in breast cancer, by associating with some regulators involved in SOD2 gene regulation and other well-known biomarkers, in addition to the typical clinical parameters.
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Affiliation(s)
- Philippe Becuwe
- Centre de Recherche en Automatique de Nancy, UMR 7039 CNRS, Faculté des Sciences et Technologies, Université de Lorraine, 54506 Vandoeuvre-lès-Nancy Cedex, France.
| | - Marie Ennen
- Centre de Recherche en Automatique de Nancy, UMR 7039 CNRS, Faculté des Sciences et Technologies, Université de Lorraine, 54506 Vandoeuvre-lès-Nancy Cedex, France
| | - Rémi Klotz
- Centre de Recherche en Automatique de Nancy, UMR 7039 CNRS, Faculté des Sciences et Technologies, Université de Lorraine, 54506 Vandoeuvre-lès-Nancy Cedex, France
| | - Claire Barbieux
- Centre de Recherche en Automatique de Nancy, UMR 7039 CNRS, Faculté des Sciences et Technologies, Université de Lorraine, 54506 Vandoeuvre-lès-Nancy Cedex, France
| | - Stéphanie Grandemange
- Centre de Recherche en Automatique de Nancy, UMR 7039 CNRS, Faculté des Sciences et Technologies, Université de Lorraine, 54506 Vandoeuvre-lès-Nancy Cedex, France
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13
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Tseng YM, Tsai SM, Lin CC, Jin YR, Yeh WH, Hsiao JK, Chen CF, Lan WH, Tsai LY. Oxidative stress-related enzyme polymorphisms associated with the immunological biomarkers levels in heavy drinkers in Taiwan. J Clin Lab Anal 2014; 27:494-503. [PMID: 24218133 DOI: 10.1002/jcla.21633] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Accepted: 05/08/2013] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Excessive alcohol intake can result in the oxidative stress in cells and the genetic variations of alcohol-metabolizing enzymes are responsible for the different degrees of toxicity of alcohol in several organs, such as the liver and immunological systems. We hypothesized that the alteration of oxidative stress due to some genetic variations of oxidative stress-related enzymes could result in changes of specific biomarkers, and heavy drinkers could be cautioned about the predictive likelihood to induce drinking-induced diseases. METHODS A total of 108 heavy drinkers and 106 nonheavy drinkers were enrolled and the hematological, biochemical, and immunological tests were measured; the genotypes of oxidative stress-related enzymes, including manganese superoxide dismutase (MnSOD1183T>C), glutathione peroxidase 1 (GPX1Pro198Leu), catalase (CAT-262C>T), and myeloperoxidase (MPO-463G>A), were assayed by real-time polymerase chain reaction (PCR) and PCR-restriction fragment length polymorphism (PCR-RFLP). RESULTS For the males, the levels of carbohydrate-deficient transferrin (CDT), malondialdehyde (MDA), CD4(+), immunoglobulin G (IgG), immunoglobulin M (IgM), and IL-6 were significantly different between the two groups. Furthermore, there were higher proportions of CD19(+) cells and lower TNF-α levels in heavy drinkers with the MnSOD C carriers, and there were higher percentages of CD19(+) cells and IL-6 levels in heavy drinkers with the combined genotypes of MnSOD C carriers and MPO A carriers. CONCLUSIONS Our findings indicate that heavy drinkers may be cautioned predictive likelihood for them to induce drinking-induced diseases by analyzing their MnSOD genotypes and immunological biomarkers.
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Affiliation(s)
- Yang-Ming Tseng
- Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
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The Relationship between ALA16VAL Single Gene Polymorphism and Renal Cell Carcinoma. Adv Urol 2014; 2014:932481. [PMID: 24587799 PMCID: PMC3920972 DOI: 10.1155/2014/932481] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2013] [Accepted: 12/02/2013] [Indexed: 12/12/2022] Open
Abstract
Objectives. The aim of this study was to investigate the association of RCC and Ala16Val polymorphism in Turkish patients with RCC. Materials and Methods. A total of 41 patients with RCC who underwent radical or partial nephrectomy in our clinic and 50 healthy volunteers living in the same geographic area were included in this study. DNA samples from serum of RCC patients and controls were genotyped for MnSOD polymorphism analysis. Genotype ratios and allele frequencies were compared between two groups and odd ratios with 95% confidence intervals were calculated statistically. A P value of <0.05 was considered statistically significant. Results. There was a significant difference in the MnSOD genotype distributions between the RCC patients and the controls in terms of Ala/Ala+Ala/Val and Val/Val genotypes (P = 0.039). The Ala/Ala+Ala/Val genotypes were found significantly suspicious for RCC with an OR of 2.64 (95% CI = 1.06–6.69, P = 0.039). In addition, Ala allele was found significantly suspicious for RCC with an OR of 2.26 (95% CI = 1.24–4.12, P = 0.009). Conclusion. Our study indicated that MnSOD Ala16Val polymorphism may be one of the many genetic factors for renal cancer susceptibility in Turkish patients.
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Liu G, Sun G, Wang Y, Wang D, Hu W, Zhang J. Association between manganese superoxide dismutase gene polymorphism and breast cancer risk: a meta-analysis of 17,842 subjects. Mol Med Rep 2012; 6:797-804. [PMID: 22825700 DOI: 10.3892/mmr.2012.998] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2012] [Accepted: 07/11/2012] [Indexed: 11/06/2022] Open
Abstract
The aim of this meta-analysis was to explore the association between the manganese superoxide dismutase (MnSOD) gene polymorphism and breast cancer risk, and to investigate the interaction of this gene polymorphism with known risk factors for breast cancer. Crude odds ratios (ORs) with 95% confidence intervals (CIs) for breast cancer risk associated with co-dominant models [valine/alanine (Val/Ala) vs. Val/Val, Ala/Ala vs. Val/Val], a dominant model (Val/Ala + Ala/Ala vs. Val/Val) and a recessive model (Ala/Ala vs. Val/Ala + Val/Val) were statistically estimated. This meta‑analysis included 8,102 breast cancer cases and 9,740 controls from 14 published case-control studies. The data revealed no significant association between the MnSOD polymorphism and the risk of developing breast cancer. However, upon subgroup analyses, the risk was significantly increased in premenopausal women with the dominant model of the MnSOD gene polymorphism (OR, 1.15; 95% CI, 1.01-1.31). Statistically significant increased risks were also identified in women with the MnSOD genotypes containing the Ala allele who had a tobacco smoking history (OR, 1.17; 95% CI, 1.02-1.34), a higher body mass index (OR, 1.26; 95% CI, 1.02-1.56) or who used oral contraceptives (OR, 1.98; 95% CI, 1.34-2.93). By contrast, there was no significant association between breast cancer risk and alcohol consumption and ethnicity. This meta‑analysis demonstrated no statistically significant association between the MnSOD gene polymorphism and breast cancer susceptibility, except in premenopausal women with certain unhealthy lifestyle habbits.
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Affiliation(s)
- Geling Liu
- Department of Endocrinology (Section I), Tangshan Workers Hospital, Tangshan, PR China
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Crawford A, Fassett RG, Geraghty DP, Kunde DA, Ball MJ, Robertson IK, Coombes JS. Relationships between single nucleotide polymorphisms of antioxidant enzymes and disease. Gene 2012; 501:89-103. [PMID: 22525041 DOI: 10.1016/j.gene.2012.04.011] [Citation(s) in RCA: 124] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2012] [Revised: 02/21/2012] [Accepted: 04/05/2012] [Indexed: 12/18/2022]
Abstract
The presence and progression of numerous diseases have been linked to deficiencies in antioxidant systems. The relationships between single nucleotide polymorphisms (SNPs) arising from specific antioxidant enzymes and diseases associated with elevated oxidative stress have been studied with the rationale that they may be useful in screening for diseases. The purpose of this narrative review is to analyse evidence from these studies. The antioxidant enzyme SNPs selected for analysis are based on those most frequently investigated in relation to diseases in humans: superoxide dismutase (SOD2) Ala16Val (80 studies), glutathione peroxidise (GPx1) Pro197Leu (24 studies) and catalase C-262T (22 studies). Although the majority of evidence supports associations between the SOD2 Ala16Val SNP and diseases such as breast, prostate and lung cancers, diabetes and cardiovascular disease, the presence of the SOD2 Ala16Val SNP confers only a small, clinically insignificant reduction (if any) in the risk of these diseases. Other diseases such as bladder cancer, liver disease, nervous system pathologies and asthma have not been consistently related to this SOD SNP genotype. The GPx1 Pro197Leu and catalase C-262T SNP genotypes have been associated with breast cancer, but only in a small number of studies. Thus, currently available evidence suggests antioxidant enzyme SNP genotypes are not useful for screening for diseases in humans.
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Affiliation(s)
- Amanda Crawford
- School of Human Life Sciences, University of Tasmania, Newnham, Launceston, Tasmania 7248, Australia
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Yuzhalin AE, Kutikhin AG. Inherited variations in theSODandGPXgene families and cancer risk. Free Radic Res 2012; 46:581-99. [DOI: 10.3109/10715762.2012.658515] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Tsai SM, Wu SH, Hou MF, Chen YL, Ma H, Tsai LY. Oxidative stress-related enzyme gene polymorphisms and susceptibility to breast cancer in non-smoking, non-alcohol-consuming Taiwanese women: a case-control study. Ann Clin Biochem 2011; 49:152-8. [PMID: 22130631 DOI: 10.1258/acb.2011.011098] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND Mitochondrial manganese superoxide dismutase (MnSOD) converts superoxide anion into H(2)O(2), which is neutralized sequentially by either catalase (CAT) or glutathione peroxidase 1 (Gpx 1) into water or converted into highly reactive hypochlorous acid by myeloperoxidase (MPO). We hypothesize that gene variants for these enzymes might be associated with the risk of breast cancer in non-smoking, non-alcohol-consuming women. METHODS Genotypes of oxidative stress-related enzymes (MnSOD1183T>C, MPO-463G>A, GPx1Pro198Leu and CAT-262C>T) were analysed in 260 non-smoking and non-alcohol-consuming female patients with breast cancer and 224 habit-matched controls. RESULTS Subjects with the MnSOD1183T>C C carrier or those with the GPx1Pro198Leu CT genotype had significantly decreased age-adjusted risks (odds ratio [OR]: 0.56 and 0.16 with 95% confidence intervals [95% CI]: 0.38-0.83 and 0.08-0.29, respectively) for breast cancer. Certain combined genotypes of the polymorphisms also significantly modulated the age-adjusted risk. CONCLUSIONS We conclude that oxidative stress-related enzyme genetic variants, especially GPx1Pro198Leu CT, modify the risk of breast cancer development in non-smoking and non-alcohol-consuming women. The role of unidentified environmental factors predisposing to breast cancer development through an oxidative stress mechanism merits further investigation.
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Affiliation(s)
- Shih-Meng Tsai
- Department of Public Health and Environmental Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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Kucukgergin C, Sanli O, Tefik T, Aydın M, Ozcan F, Seckin S. Increased risk of advanced prostate cancer associated with MnSOD Ala-9-Val gene polymorphism. Mol Biol Rep 2011; 39:193-8. [PMID: 21553226 DOI: 10.1007/s11033-011-0725-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2010] [Accepted: 04/23/2011] [Indexed: 11/29/2022]
Abstract
We aimed to investigate the association between manganese superoxide dismutase (MnSOD) Ala-9-Val gene polymorphism and the initiation and/or progression of prostate cancer (PCa) as well as to evaluate its potential interactions with advanced age and smoking status. MnSOD Ala-9-Val gene polymorphism was carried out in 134 (mean age 64.1±7.48) PCa patients and 159 (mean age 62.5±7.53) healthy controls with serum prostate specific antigen (PSA) levels (<4 ng/ml) and normal digital rectal examination (DRE) findings in this prospectively designed study. PCa patients were classified as low stage disease (T1 or T2 and N0M0 stages) and high stage disease (T3 or T4 and N0M0 or N1 or M1 stages). Genotypes for MnSOD Ala-9-Val gene polymorphism were identified by using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFPL). Despite lack of association between different genotypes of MnSOD Ala-9-Val gene polymorphism and the presence of PCa, patients with Ala/Ala genotype were at an increased risk of high stage disease compared with those with the Val/Val genotype [odds ratio (OR), 3.77; 95% CI, 1.30-10.94; P=0.012]. However, no significant difference was observed in the distribution of each genotype among PCa patients, with respect to tumor grade. On the other hand, smoking status and aging did not seem to change the association between genotypes and PCa risk. Ala/Ala genotype of MnSOD polymorphism may have an effect on adverse features of PCa such as high stage disease.
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Affiliation(s)
- Canan Kucukgergin
- Department of Biochemistry, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
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Superoxide dismutase and nicotinamide adenine dinucleotide phosphate: quinone oxidoreductase polymorphisms and pancreatic cancer risk. Pancreas 2011; 40:72-8. [PMID: 20966810 DOI: 10.1097/mpa.0b013e3181f74ad7] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
OBJECTIVES Pancreatic carcinoma etiology and molecular pathogenesis is weakly understood. According to the assumption that genetic variation in carcinogen metabolism further modifies the risk of exposure-related cancers, an association of functional polymorphisms in oxidative stress-modifying genes superoxide dismutase 2 (SOD2 [Ala16Val, rs4880]), SOD3 (Arg231Gly, rs1799895), nicotinamide adenine dinucleotide phosphate:quinone oxidoreductase (NQO1 [Pro187Ser, rs1800566], and NQO2 (Phe47Leu, rs1143684) with pancreatic cancer risk was studied. METHODS Polymorphisms were studied by allelic discrimination. RESULTS In a hospital-based case-control study on 500 individuals (235 cases and 265 controls) of Czech white origin, SOD2, SOD3, NQO1, and NQO2 polymorphisms showed no significant association with pancreatic cancer risk. Major lifestyle factors such as smoking and alcohol, coffee, or tea consumption did not modify the effect of the studied polymorphisms. CONCLUSIONS The first European study of the SOD2, SOD3, NQO1, and NQO2 roles in pancreatic cancer etiology did not find significant associations. Despite this observation, other populations with different lifestyle(s) may be at risk and should be further studied.
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Platek ME, Shields PG, Tan D, Marian C, Bonner MR, McCann SE, Nie J, Wilding GE, Ambrosone C, Millen AE, Trevisan M, Russell M, Nochajski TH, Edge SB, Winston J, Freudenheim JL. Alcohol consumption and breast tumor mitochondrial DNA mutations. Breast Cancer Res Treat 2010; 121:453-60. [PMID: 19847642 PMCID: PMC4403627 DOI: 10.1007/s10549-009-0587-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2009] [Accepted: 10/08/2009] [Indexed: 10/20/2022]
Abstract
Mitochondrial DNA (mtDNA) mutations are frequent in breast tumors, but the etiology of these mutations is unknown. We hypothesized that these mutations are associated with exposures that affect oxidative stress such as alcohol metabolism. Using archived tumor blocks from incident breast cancer cases in a case control study, the Western New York Exposures and Breast Cancer (WEB) study, analysis of mtDNA mutations was conducted on 128 breast cancer cases selected based on extremes of alcohol intake. Temporal temperature gradient gel electrophoresis (TTGE) was used to screen the entire mtDNA genome and sequencing was completed for all TTGE positive samples. Case-case comparisons were completed using unconditional logistic regression to determine the relative prevalence of the mutations by exposures including alcohol consumption, manganese superoxide dismutase (MnSOD) genotype, nutrient intake related to oxidative stress and established breast cancer risk factors. Somatic mtDNA mutations were found in 60 of the 128 tumors examined. There were no differences in the prevalence of mtDNA mutations by alcohol consumption, MnSOD genotype or dietary intake. The likelihood of mtDNA mutations was reduced among those with a positive family history for breast cancer (OR = 0.33, CI = 0.12-0.92), among postmenopausal women who used hormone replacement therapy (OR = 0.46, CI = 0.19-1.08, P = 0.08) and was increased for ER negative tumors (OR = 2.05, CI = 0.95-4.43, P = 0.07). Consistent with previous studies, we found that mtDNA mutations are a frequent occurrence in breast tumors. An understanding of the etiology of mtDNA mutations may provide insight into breast carcinogenesis.
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Affiliation(s)
- Mary E Platek
- Cancer Prevention and Population Sciences, Roswell Park Cancer Institute, Elm & Carlton Streets, Buffalo, New York 14263, USA.
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Qiu LX, Yao L, Mao C, Chen B, Zhan P, Yuan H, Xue K, Zhang J, Hu XC. Lack of association between MnSOD Val16Ala polymorphism and breast cancer risk: a meta-analysis involving 58,448 subjects. Breast Cancer Res Treat 2010; 123:543-7. [DOI: 10.1007/s10549-010-0777-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2010] [Accepted: 01/28/2010] [Indexed: 02/07/2023]
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Bica CG, da Silva LLDM, Toscani NV, Zettler CG, Gottlieb MGDV, Alexandre COP, Graudenz MS, Mânica da Cruz IB. Polymorphism (ALA16VAL) correlates with regional lymph node status in breast cancer. ACTA ACUST UNITED AC 2010; 196:153-8. [PMID: 20082851 DOI: 10.1016/j.cancergencyto.2009.09.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2009] [Revised: 08/08/2009] [Accepted: 09/20/2009] [Indexed: 02/02/2023]
Abstract
We studied the possible association between Ala16Val manganese-dependent superoxide dismutase (MnSOD) gene genotypes and breast cancer lymph node status because previous investigations suggested an association between the AA genotype and breast cancer. We included 281 women (188 controls and 93 cases of invasive breast cancer with axillary lymph node metastasis (LN+) and without lymph node metastasis (LN-). DNA was extracted from paraffin-embedded tumor tissue or peripheral blood leukocytes, and MnSOD polymorphism was determined by polymerase chain reaction-restriction fragment length polymorphism techniques. In addition, the immunohistochemical profile (p53, Ki-67 and estrogen/progesterone receptors) was also compared between invasive breast cancer groups and different MnSOD genotypes. The frequency of the VV genotype was higher in the LN+ group than in the control and LN- groups (chi(2)=5.081, P=0.02). Subjects with LN+ breast cancer (LN+ group) showed a higher incidence of VV genotype carriers associated with positive Ki-67 marker. Subjects with LN+ breast cancer (LN+ group) showed a higher incidence of VV genotype carriers associated with negative p53 marker. Despite the fact that the AA genotype is well established as being associated with an increased risk of breast cancer, the VV genotype may be associated with a higher metastatic potential, suggesting that MnSOD imbalance is the condition associated with carcinogenesis.
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Affiliation(s)
- Claudia Giuliano Bica
- Programa de Pós-Graduação em Patologia, Universidade Federal de Ciências Médicas de Porto Alegre, Rua Sarmento Leite, 245, Porto Alegre 90050-170, Brazil
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No association between SOD2 Val16Ala polymorphism and breast cancer susceptibility: a meta-analysis based on 9,710 cases and 11,041 controls. Breast Cancer Res Treat 2010; 122:509-14. [PMID: 20052533 DOI: 10.1007/s10549-009-0725-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2009] [Accepted: 12/24/2009] [Indexed: 11/27/2022]
Abstract
Breast cancer is the most common cancer in women worldwide, but its etiology is still unclear. It is believed that oxidative stress plays an essential role in the development of breast cancer, while SOD2 is one of the primary enzymes that directly convert potential harmful oxidizing species to harmless metabolites. The association of SOD2 Val16Ala polymorphism and breast cancer risk has been widely reported, but results of previous studies were somewhat contradictory and underpowered. To overcome the limitations of individual study and to understand the real situation, we conducted a systematic review and meta-analysis toward the association between SOD2 Val16Ala polymorphism and breast cancer. Through retrieving MEDLINE, PubMed, Embase, and Web of Science, a total of 17 studies with 9,710 cases and 11,041 controls were identified. The results showed that no significant associations were found for the allele contrast (allele Ala vs. allele Val: OR = 1.020, 95% CI = 0.979-1.062), additive genetic model (Ala/Ala vs. Val/Val: OR = 1.091, 95% CI = 0.969-1.229), dominant genetic model (Ala/Ala +Ala/Val vs. Val/Val: OR = 1.045, 95% CI = 0.961-1.136), and recessive genetic model (Ala/Ala vs. Val/Val +Ala/Val: OR = 1.027, 95% CI = 0.956-1.102). In the stratified analysis by ethnicity and menopausal status, significant associations were also not detected in all genetic models. Conclusively, this meta-analysis strongly suggests that SOD2 Val16Ala polymorphism is not associated with breast cancer susceptibility.
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Tong SY, Lee JM, Song ES, Lee KB, Kim MK, Lee JK, Son SK, Lee JP, Kim JH, Kwon YI. Functional polymorphism in manganese superoxide dismutase and antioxidant status: Their interactions on the risk of cervical intraepithelial neoplasia and cervical cancer. Gynecol Oncol 2009; 115:272-6. [DOI: 10.1016/j.ygyno.2009.07.032] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2009] [Revised: 07/01/2009] [Accepted: 07/28/2009] [Indexed: 10/20/2022]
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Relationship between polymorphism in the manganese superoxide dismutase gene and breast cancer. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2009; 680:7-11. [DOI: 10.1016/j.mrgentox.2009.08.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2009] [Revised: 07/02/2009] [Accepted: 08/14/2009] [Indexed: 01/30/2023]
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Association between manganese superoxide dismutase (MnSOD) Val-9Ala polymorphism and cancer risk – A meta-analysis. Eur J Cancer 2009; 45:2874-81. [DOI: 10.1016/j.ejca.2009.04.024] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2008] [Revised: 04/12/2009] [Accepted: 04/20/2009] [Indexed: 12/25/2022]
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An empirical comparison of meta-analyses of published gene-disease associations versus consortium analyses. Genet Med 2009; 11:153-62. [PMID: 19367188 DOI: 10.1097/gim.0b013e3181929237] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
PURPOSE Consortia of investigators currently compile sufficiently large sample sizes to investigate the effects of low-risk susceptibility genetic variants. It is not clear how the results obtained by consortia compare with those derived from meta-analyses of published studies. METHODS We performed meta-analyses of published data for 16 genetic polymorphisms investigated by the Breast Cancer Association Consortium, and compared sample sizes, heterogeneity, and effect sizes. PubMed, Web of Science, and Human Genome Epidemiology Network databases were searched for breast cancer case-control association studies. RESULTS We found that meta-analyses of published data and consortium analyses were based on substantially different data. Published data by non-consortium teams amounted on average to 26.9% of all available data (range 3.0 -50.0%). Both approaches showed statistically significant decreased breast cancer risks for CASP8 D302H. The meta-analyses of published data demonstrated statistically significant results for five other genes and the consortium analyses for two other genes, but the strength of this evidence, evaluated on the basis of the Venice criteria, was not strong. CONCLUSIONS Because both approaches identified the same gene out of 16 candidates, the methods can be complimentary. The expense and complexity of consortium-based studies should be considered vis-à-vis the potential methodological limitations of synthesis of published studies.
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Valdivia A, Pérez-Álvarez S, Aroca-Aguilar JD, Ikuta I, Jordán J. Superoxide dismutases: a physiopharmacological update. J Physiol Biochem 2009; 65:195-208. [DOI: 10.1007/bf03179070] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Zejnilovic J, Akev N, Yilmaz H, Isbir T. Association between manganese superoxide dismutase polymorphism and risk of lung cancer. ACTA ACUST UNITED AC 2009; 189:1-4. [PMID: 19167605 DOI: 10.1016/j.cancergencyto.2008.06.017] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2008] [Accepted: 06/03/2008] [Indexed: 11/16/2022]
Abstract
Manganese superoxide dismutase (MnSOD) is one of the major enzymes responsible for the defense against oxidative damage due to reactive oxygen species (ROS) in the mitochondria. C-->T substitution in the MnSOD gene (SOD2) produces an Ala-->Val change at amino acid 16, in the mitochondrial targeting sequence of the MnSOD precursor. This seems to reduce transport of the enzyme into mitochondria, decreasing its defense capacity against oxidative stress. The present case-control study was conducted to investigate the association of SOD2 genetic polymorphism with individual susceptibility to lung cancer. Ala16Val polymorphisms were determined using polymerase chain reaction, restriction fragment length polymorphism mapping, and agarose gel electrophoresis techniques in 100 lung cancer patients and 50 healthy control subjects. The frequency of the Val allele (OR=1.297, 95% CI=1.095-1.536) and the Val/Val genotype (OR=7.00, 95% CI=2.282-21.476) was significantly higher in lung cancer patients than in control subjects. There was a combined effect of Val/Val genotype as a genetic factor with smoking as an environment factor (OR=2.24). The increase in risk of lung cancer was lesser with this combined effect than with the Val/Val genotype alone. Thus, the Val/Val genotype of SOD2 may be associated with lung cancer in a Turkish population.
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Affiliation(s)
- Jasmina Zejnilovic
- Department of Biochemistry, Faculty of Pharmacy, Istanbul University, 34116, Beyazit Istanbul, Turkey
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Bag A, Bag N. Target sequence polymorphism of human manganese superoxide dismutase gene and its association with cancer risk: a review. Cancer Epidemiol Biomarkers Prev 2009; 17:3298-305. [PMID: 19064542 DOI: 10.1158/1055-9965.epi-08-0235] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In normal state of a cell, endogenous antioxidant enzyme system maintains the level of reactive oxygen species generated by mitochondrial respiratory chain. Mitochondrial superoxide dismutase [SOD; manganese SOD (MnSOD) or SOD2] neutralizes highly reactive superoxide radical (O(*-)(2)), the first member in the plethora of mitochondrial reactive oxygen species. A polymorphism in the target sequence of MnSOD enzyme, Val(16)Ala, is known to disrupt proper targeting of the enzyme from cytosol to mitochondrial matrix where it acts on O(*-)(2) to dismutate it to hydrogen peroxide (H(2)O(2)). A change in the level of O(*-)(2) and of H(2)O(2) in mitochondria modulates the molecular mechanisms of apoptosis, cellular adhesion, and cell proliferation and thus play key role in cancer development. Previous studies investigating the association between MnSOD Val(16)Ala polymorphism and cancer risk have revealed inconsistent results. We conducted a meta-analysis on these studies. Our meta-analysis on total of 7,366 cancer cases and 9,102 controls from 13 published case-control studies showed no overall association of this polymorphism either with breast cancer risk or for cancer risk as such (for Ala homozygous odds ratio, 0.98; 95% confidence interval, 0.90-1.07 and odds ratio, 1.02; 95% confidence interval, 0.91-1.14, respectively). Also, there was no major effect in either recessive or dominant model for the MnSOD Val(16)Ala. However, a proper evaluation of this polymorphism with cancer link demands experiments involving large sample size, cross-tabulation of gene-gene, gene-environment interactions, and linkage studies, as cell biological experiments clearly correlate critical levels of mitochondrial O(*-)(2) and H(2)O(2) to carcinogenesis.
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Affiliation(s)
- Arundhati Bag
- Institute of Allied Health (Paramedical) Services, Education & Training, UFHT Medical College Campus, Rampur Road, PO-Haldwani, Nainital, Uttarakhand, India.
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Wheatley-Price P, Asomaning K, Reid A, Zhai R, Su L, Zhou W, Zhu A, Ryan DP, Christiani DC, Liu G. Myeloperoxidase and superoxide dismutase polymorphisms are associated with an increased risk of developing pancreatic adenocarcinoma. Cancer 2008; 112:1037-42. [PMID: 18205184 DOI: 10.1002/cncr.23267] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
BACKGROUND Pancreatic cancer risk has been linked to chronic pancreatitis and periodontitis, suggesting a role for inflammation in disease etiology. Myeloperoxidase (MPO) and superoxide dismutase (SOD2) are enzymes that regulate reactive oxygen species and contain recognized single nucleotide polymorphisms (SNPs) that confer altered enzyme activity. METHODS One hundred twenty-two patients with pancreatic cancer and 331 age- and sex-matched controls were analyzed for polymorphisms of the MPO - guanine 463 adenine (-G463A) and the SOD2 alanine (Ala)-to-valine (Val) polymorphism at codon 16 (Ala16Val) genes. Cases and controls were analyzed for associations between these polymorphisms, adjusting for sex, age, history of alcohol use and smoking history. RESULTS The variant A allele of MPO -G463A was associated with a lower risk of pancreatic cancer (adjusted odds ratio [OR] for pancreatic cancer, 0.57; 95% confidence interval [95% CI], 0.4-0.9; P = .02). The SOD2 homozygous variant genotype (Val/Val) was associated with a greater risk of pancreatic cancer (adjusted OR, 1.96; 95% CI, 1.0-3.8; P = .04). Compared with individuals who carried both low-risk alleles (A/- and Ala/-), significantly more cases than controls carried both high-risk genotypes (G/G and Val/Val; adjusted OR, 4.31; 95% CI, 1.8-10; P = .001), or 1 high-risk genotype (adjusted OR, 1.96; 95% CI, 1.1-3.4; P = .01). CONCLUSIONS Polymorphisms of the inflammatory pathway genes MPO -G463A and SOD2 Ala16Val are associated with elevated pancreatic cancer risk. Oxidative stress may play an important role in pancreatic cancer carcinogenesis.
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Affiliation(s)
- Paul Wheatley-Price
- Department of Medical Oncology and Hematology, Department of Medicine, Princess Margaret Hospital, Toronto, Ontario, Canada
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Gene expression polymorphisms of interleukins-1 beta, -4, -6, -8, -10, and tumor necrosis factors-alpha, -beta: regression analysis of their effect upon oral squamous cell carcinoma. J Cancer Res Clin Oncol 2008; 134:821-32. [PMID: 18273643 DOI: 10.1007/s00432-008-0360-z] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2007] [Accepted: 01/08/2008] [Indexed: 10/22/2022]
Abstract
PURPOSE Functional DNA polymorphisms affecting gene expression and serum or saliva levels of interleukins IL-1 beta,-4,-6,-8,-10 and tumor necrosis factors TNF-alpha,-beta have been associated with increased risk for the development of oral squamous cell carcinoma (OSCC). The present retrospective case-control study examines possible interactions between seven cytokine genotype polymorphisms and their combinatory effect in predicting the occurrence of OSCC in Caucasians. METHODS Three hundred and thirty Greeks and Germans were studied, consisting of 162 OSCC cases and 168 healthy controls of comparable age, gender, and ethnicity. A series of multivariate logistic regression models, adjusted for age and gender, was constructed in order to assess the contribution of homozygous or heterozygous variant genotypes of polymorphisms IL-1 beta (+3953C/T), IL-4 (-590C/T), IL-6 (-174G/C), IL-8 (-251A/T), IL-10 (-1082A/G), TNF-alpha (-308G/A) and TNF-beta (+252G/A) upon overall, early and advanced stages of OSCC development. RESULTS The contribution of TNF-alpha and IL-6 was consistent and robust in almost all models constructed. Furthermore, when the mode of inheritance of each variant allele was taken into account in a "biological" multivariate logistic regression model, four polymorphisms emerged as primary predictors for overall stages of OSCC: TNF-alpha (OR = 15.27; 95% CI = 7.30-31.96), IL-6 (OR = 8.33; 95% CI = 3.95-17.58), IL-8 (OR = 3.54; 95% CI = 1.69-7.43) and IL-10 (OR = 2.65; 95% CI = 1.28-5.46). Finally, IL-1 beta, IL-4 and TNF-beta polymorphisms were not primary predictors of OSCC development in all constructed models. CONCLUSIONS This study revealed the highly significant contributions of two out of seven studied cytokines (IL-6 and TNF-alpha) in the occurrence of OSCC. Based on these findings and previous reports, possible stoichiometrical interactions of cytokines leading to OSCC development are discussed.
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Johnatty SE, Nagle CM, Spurdle AB, Chen X, Webb PM, Chenevix-Trench G. The MnSOD Val9Ala polymorphism, dietary antioxidant intake, risk and survival in ovarian cancer (Australia). Gynecol Oncol 2007; 107:388-91. [PMID: 17936883 DOI: 10.1016/j.ygyno.2007.09.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2007] [Revised: 08/30/2007] [Accepted: 09/04/2007] [Indexed: 11/19/2022]
Abstract
OBJECTIVE We assessed the MnSOD Val9Ala polymorphism and its interaction with dietary antioxidant intake in ovarian cancer risk and survival. METHODS The MnSOD polymorphism was assessed in 543 ovarian cancer cases and 1130 controls. We used regression analysis to model the association between genotype and risk, case-only analyses to estimate risk modification by dietary variables, and proportional hazard models for survival analysis. RESULTS We found no association between this polymorphism and ovarian cancer risk or survival, nor was there evidence of any interaction with dietary antioxidant intake. CONCLUSION The Val9Ala MnSOD polymorphism does not influence ovarian cancer risk or survival.
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Affiliation(s)
- Sharon E Johnatty
- Queensland Institute of Medical Research, Brisbane, P.O. Royal Brisbane Hospital, Herston, QLD 4029, Australia
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Muller FL, Lustgarten MS, Jang Y, Richardson A, Van Remmen H. Trends in oxidative aging theories. Free Radic Biol Med 2007; 43:477-503. [PMID: 17640558 DOI: 10.1016/j.freeradbiomed.2007.03.034] [Citation(s) in RCA: 783] [Impact Index Per Article: 46.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2007] [Revised: 03/29/2007] [Accepted: 03/29/2007] [Indexed: 12/11/2022]
Abstract
The early observations on the rate-of-living theory by Max Rubner and the report by Gershman that oxygen free radicals exist in vivo culminated in the seminal proposal in the 1950s by Denham Harman that reactive oxygen species are a cause of aging (free radical theory of aging). The goal of this review is to analyze recent findings relevant in evaluating Harman's theory using experimental results as grouped by model organisms (i.e., invertebrate models and mice). In this regard, we have focused primarily on recent work involving genetic manipulations. Because the free radical theory of aging is not the only theorem proposed to explain the mechanism(s) involved in aging at the molecular level, we also discuss how this theory is related to other areas of research in biogerontology, specifically, telomere/cell senescence, genomic instability, and the mitochondrial hypothesis of aging. We also discuss where we think the free radical theory is headed. It is now possible to give at least a partial answer to the question whether oxidative stress determines life span as Harman posed so long ago. Based on studies to date, we argue that a tentative case for oxidative stress as a life-span determinant can be made in Drosophila melanogaster. Studies in mice argue for a role of oxidative stress in age-related disease, especially cancer; however, with regard to aging per se, the data either do not support or remain inconclusive on whether oxidative stress determines life span.
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Affiliation(s)
- Florian L Muller
- Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229-3900, USA
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Petkova R, Chakarov S, Ganev V. Genetic Bases for Predisposition to Common Multifactorial Disease in Man. Part I. BIOTECHNOL BIOTEC EQ 2007. [DOI: 10.1080/13102818.2007.10817463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Commonly studied single-nucleotide polymorphisms and breast cancer: results from the Breast Cancer Association Consortium. J Natl Cancer Inst 2006; 98:1382-96. [PMID: 17018785 DOI: 10.1093/jnci/djj374] [Citation(s) in RCA: 208] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND The Breast Cancer Association Consortium (BCAC) is an international collaboration that was established to provide large sample sizes for examining genetic associations. We conducted combined analyses on all single-nucleotide polymorphisms (SNPs) whose associations with breast cancer have been investigated by at least three participating groups. METHODS Data from up to 12 studies were pooled for each SNP (ADH1C I350V, AURKA F31I, BRCA2 N372H, CASP8 D302H, ERCC2 D312N, IGFBP3 -202 c>a, LIG4 D501D, PGR V660L, SOD2 V16A, TGFB1 L10P, TP53 R72P, XRCC1 R399Q, XRCC2 R188H, XRCC3 T241M, XRCC3 5' UTR, and XRCC3 IVS7-14). Genotype frequencies in case and control subjects were compared, and genotype-specific odds ratios for the risk of breast cancer in heterozygotes and homozygotes for the rare allele compared with homozygotes for the common allele were estimated with logistic regression. Statistical tests were two-sided. RESULTS The total number of subjects for analysis of each SNP ranged from 12,013 to 31,595. For five SNPs--CASP8 D302H, IGFBP3 -202 c>a, PGR V660L, SOD2 V16A, and TGFB1 L10P--the associations with breast cancer were of borderline statistical significance (P = .016, .060, .047, .056, and .0088 respectively). The remaining 11 SNPs were not associated with breast cancer risk; genotype-specific odds ratios were close to unity. There was some evidence for between-study heterogeneity (P<.05) for four of the 11 SNPs (ADH1C I350V, ERCC2 D312N, XRCC1 R399Q, and XRCC3 IVS5-14). CONCLUSION Pooling data within a large consortium has helped to clarify associations of SNPs with breast cancer. In the future, consortia such as the BCAC will be important in the analysis of rare polymorphisms and gene x gene or gene x environment interactions, for which individual studies have low power to identify associations, and in the validation of associations identified from genome-wide association studies.
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