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Wei EX, Li X, Nan H. Having a first-degree relative with melanoma increases lifetime risk of melanoma, squamous cell carcinoma, and basal cell carcinoma. J Am Acad Dermatol 2019; 81:489-499. [DOI: 10.1016/j.jaad.2019.04.044] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 04/01/2019] [Accepted: 04/14/2019] [Indexed: 01/29/2023]
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cAMP-mediated regulation of melanocyte genomic instability: A melanoma-preventive strategy. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2018; 115:247-295. [PMID: 30798934 DOI: 10.1016/bs.apcsb.2018.10.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Malignant melanoma of the skin is the leading cause of death from skin cancer and ranks fifth in cancer incidence among all cancers in the United States. While melanoma mortality has remained steady for the past several decades, melanoma incidence has been increasing, particularly among fair-skinned individuals. According to the American Cancer Society, nearly 10,000 people in the United States will die from melanoma this year. Individuals with dark skin complexion are protected damage generated by UV-light due to the high content of UV-blocking melanin pigment in their epidermis as well as better capacity for melanocytes to cope with UV damage. There is now ample evidence that suggests that the melanocortin 1 receptor (MC1R) is a major melanoma risk factor. Inherited loss-of-function mutations in MC1R are common in melanoma-prone persons, correlating with a less melanized skin complexion and poorer recovery from mutagenic photodamage. We and others are interested in the MC1R signaling pathway in melanocytes, its mechanisms of enhancing genomic stability and pharmacologic opportunities to reduce melanoma risk based on those insights. In this chapter, we review melanoma risk factors, the MC1R signaling pathway, and the relationship between MC1R signaling and DNA repair.
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Predictive value of excision repair cross-complementing group 2 gene Lys751Gln and Asp312Asn polymorphisms in melanoma risk. Melanoma Res 2018; 28:311-318. [PMID: 29768284 DOI: 10.1097/cmr.0000000000000463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Epidemiological studies have assessed the association between excision repair cross-complementing group 2 (ERCC2) Lys751Gln and Asp312Asn polymorphisms and melanoma risk with conflicting results. Relevant articles were searched from PubMed, Embase, and Web of Science with a time limit of 3 September 2016. Pooled odds ratio (OR) with 95% confidence interval (CI) was used to assess the strength of the association. We performed this meta-analysis with 12 studies including 6157 cases and 8873 controls for Lys751Gln and nine studies including 5037 cases and 7542 controls for Asp312Asn polymorphism. Overall, no significant associations were found under all the models for Lys751Gln polymorphism, and significant associations were found for Asp312Asn polymorphism for AA versus GG (OR=1.12, 95% CI=1.00-1.26) and for the recessive model (OR=1.11, 95% CI=1.00-1.24). In the stratification analyses by source of control: for Lys751Gln polymorphism, significant associations were found for CC versus AA (OR=1.19, 95% CI=1.04-1.36) and the recessive model (OR=1.15, 95% CI=1.02-1.30); for Asp312Asn polymorphism, significant associations were found for AA versus GG (OR=1.31, 95% CI=1.11-1.53) and the recessive model (OR=1.29, 95% CI=1.11-1.50). This meta-analysis suggested that both the Lys751Gln and Asp312Asn polymorphisms were risk factors for melanoma risk in population-based subgroup.
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Zhao H, Yang J, Yu Z, Shen H, Huang X, Zhang M, Long T, Cailing A, Wang W. Synthetic analysis of associations between IL-10 polymorphisms and skin cancer risk. Oncotarget 2018; 9:6728-6736. [PMID: 29467923 PMCID: PMC5805509 DOI: 10.18632/oncotarget.23385] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 12/04/2017] [Indexed: 12/01/2022] Open
Abstract
The current study was designed to quantitatively summarize the evidence for the strength of the associations between common IL-10 functional polymorphisms and skin cancer risk. Relevant publications concerning the associations between common IL-10 functional polymorphisms(−1082G>A, −819C>T and −592C>A) and skin cancer were retrieved by a comprehensive electronic literature search in PubMed, Web of Science, EBSCO, Embase, China National Knowledge Infrastructure, Wanfang, Chinese Biomedical Database (CBM). The odds ratio (OR) and 95% confidence interval (CI) were utilized to assess the strength of the relationship. A total of 26 studies including 4090 cases and 4133 controls (−1082G>A, 10 studies with 1809 cases and 1830 controls; −819C>T, 7 studies with 862 cases and 957 controls; −592C>A, 9 studies with 1419 cases and 1346 controls) were enrolled in the meta-analysis. Overall, the results revealed a borderline decreased risk of skin cancer in heterozygote model (OR = 0.82, 95CI = 0.67–1.00, p = 0.05). The subgroup analysis also presented similar association for non-melanoma skin cancer in heterozygote model (OR = 0.67, 95CI = 0.50–0.91, p = 0.01). Moreover, the further analysis based on the histological type of non-melanoma skin cancer indicated a significantly decreased risk of BCC in allele model (OR = 0.67, 95% CI = 0.50–0.91, p = 0.02) and dominant model (OR = 0.68, 95% CI = 0.48–0.98, p = 0.04). However, neither overall analysis nor subgroup analysis based on cancer subtype revealed a significant association of −1082G>A or −592C>A polymorphisms with skin cancer. The present study suggested a potential association between IL-10 −819C>T polymorphism and decreased risk of skin cancer, but a lack of association for −1082G>A and −592C>A polymorphisms. Further invalidation is urgently needed.
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Affiliation(s)
- Hongbo Zhao
- Department of Dermatology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China
| | - Jiaoli Yang
- Department of Dermatology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China
| | - Zhenzhen Yu
- Department of Dermatology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China
| | - Hui Shen
- Department of Dermatology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China
| | - Xinlin Huang
- Department of Dermatology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China
| | - Mi Zhang
- Department of Dermatology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China
| | - Teng Long
- Department of Dermatology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China
| | - A Cailing
- Department of Dermatology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China
| | - Wenhui Wang
- Department of Traditional Chinese Medicine, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China
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Cypriano AS, Alves G, Ornellas AA, Scheinkman J, Almeida R, Scherrer L, Lage C. Relationship between XPD, RAD51, and APEX1 DNA repair genotypes and prostate cancer risk in the male population of Rio de Janeiro, Brazil. Genet Mol Biol 2017; 40:751-758. [PMID: 29111564 PMCID: PMC5738611 DOI: 10.1590/1678-4685-gmb-2017-0039] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 07/24/2017] [Indexed: 12/26/2022] Open
Abstract
Susceptibility to cancer ensues in individuals carrying malfunctioning DNA repair
mechanisms. The impact of Single Nucleotide Polymorphisms (SNPs) in key DNA
repair mechanisms on risk for prostate cancer was investigated in this
case-control study. Samples consisted of 110 patients with confirmed prostate
cancer and 200 unaffected men, from Rio de Janeiro, Brazil.
XPD/Lys751Gln (rs13181), APEX1/Asp148Glu
(rs1130409), and RAD51/G135C (rs1801320) SNPs were analyzed by
PCR-RFLP. Allelic and genotypic frequencies were calculated and compared by
Chi-Square test. The association between SNPs and clinical/epidemiological data
was considered significant by Odds Ratio analysis, with IC95% and a
p-value≤0.05. Only the XPD/Lys751Gln SNP significantly
increased susceptibility to disease in southeastern Brazilian men, with
p≤0.001 [OR=2.36 (1.46-3.84)], with no association with
APEX1 or RAD51 SNPs. Combined
XPD+RAD51 SNPs were highly associated with
the disease, p≤0.005 [OR=3.40 (1.32-9.20)]. A Chi-Square
significant association between XPD/Lys751Gln and Gleason score
was also observed (OR=9.31; IC95%=1.19–428.0; p=0.022).
Epidemiological inquiries revealed that exposure to pesticides significantly
impacted the risk for prostate cancer in this population. DNA repair
dysfunctions seem to prevail among workers exposed to chemical byproducts to
cancer in this specific tissue. Non-invasive genotyping SNPs may help assessment
of prostate cancer risk in environmentally exposed populations.
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Affiliation(s)
- Ana Sheila Cypriano
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal de Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | - Gilda Alves
- Instituto Nacional de Câncer, Hospital do Câncer I, Rio de Janeiro, RJ, Brazil.,Laboratório de Marcadores Circulantes, Departamento de Patologia, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Antonio Augusto Ornellas
- Instituto Nacional de Câncer, Hospital do Câncer I, Rio de Janeiro, RJ, Brazil.,Hospital Mário Kroeff, Rio de Janeiro, RJ, Brazil
| | | | | | | | - Claudia Lage
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal de Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
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Sun Y, Zhang H, Ying H, Jiang W, Chen Q. A meta-analysis of XPD/ERCC2 Lys751Gln polymorphism and melanoma susceptibility. Int J Clin Exp Med 2015; 8:13874-13878. [PMID: 26550341 PMCID: PMC4613026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 08/06/2015] [Indexed: 06/05/2023]
Abstract
We performed a comprehensive meta-analysis to determine the association between XPD/ERCC2 Lys751Gln polymorphism and melanoma susceptibility. Based on comprehensive searches of the MEDLINE, EMBASE and ISI Web of knowledge, China National Knowledge Infrastructure (CNKI) and Wanfang Database, we identified eligible studies about the association between XPD/ERCC2 Lys751Gln polymorphism and melanoma risk. A total of 5,961 cases and 8,669 controls in studies were included in this meta-analysis. All studies were conducted in Caucasian populations. Allele model (Lys vs. Gln: P = 0.53; OR = 0.98, 95% CI = 0.91-1.05), and homozygous model (Lys/ Lys vs. Gln/Gln: P = 0.32; OR = 0.93, 95% CI = 0.81 to 1.07) did not show increased risk of developing melanoma. Similarly, dominant model (Lys/ Lys+Lys/Gln vs. Gln/Gln: P = 0.18; OR = 0.93, 95% CI = 0.83 to 1.03) and recessive model (Lys/ Lys vs. Lys/Gln+Gln/Gln: P = 0.73; OR = 0.98, 95% CI = 0.88 to 1.09) failed to show increased risk of developing melanoma. Our pooled data suggest that there was no evidence for a major role of XPD/ERCC2 Lys751Gln polymorphism in the pathogenesis of melanoma among Caucasian populations.
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Affiliation(s)
- Yalin Sun
- Department of Traditional Chinese Medicine, People’s Hospital of Pudong New DistrictShanghai, China
| | - Hao Zhang
- Department of Pathology, Fudan University Shanghai Cancer CenterShanghai, China
- Department of Oncology, Shanghai Medical College, Fudan UniversityShanghai, China
| | - Haifeng Ying
- Department of Traditional Chinese Medicine, Ruijin Hospital, School of Medicine, Shanghai Jiaotong UniversityShanghai, China
| | - Wencheng Jiang
- Department of Integrated Traditional Chinese and Western Medicine, Shanghai Dermatology HospitalShanghai, China
| | - Qiwen Chen
- Department of Integrated Oncology, Fudan University Shanghai Cancer CenterShanghai, China
- Department of Oncology, Shanghai Medical College, Fudan UniversityShanghai, China
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7
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Skin cancer and new treatment perspectives: A review. Cancer Lett 2015; 357:8-42. [DOI: 10.1016/j.canlet.2014.11.001] [Citation(s) in RCA: 195] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 10/31/2014] [Accepted: 11/04/2014] [Indexed: 12/25/2022]
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Zhilova MB, Kubanov AA. Molecular markers of the risk of development of skin cancer in psoriasis patients receiving a phototherapy. VESTNIK DERMATOLOGII I VENEROLOGII 2014. [DOI: 10.25208/0042-4609-2014-90-6-62-68] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
State Research Center of Dermatovenereology and Cosmetology, Ministry of Healthcare of the Russian Federation Korolenko str., 3, bldg 6, Moscow, 107076, Russia Goal. To study potential molecular and genetic markers of an increased risk of development of malignant skin melanomas on the basis of the assessment of nucleotide replacements of genes in the excision system of DNA repair in psoriasis patients receiving a phototherapy. Materials and methods. Biological blood samples taken from 47 psoriasis patients, 24 patients with malignant skin melanomas and 20 healthy subjects. The following methods were used in the study: clinical, molecular and biological (DNA extraction, amplification, PcR, sequencing). Results. The study revealed molecular markers of an increased risk of development of malignant skin melanomas in psoriasis patients: CC genotype of the XPD gene at the 35931 locus (p = 0.00001); TC genotype of the XPF gene at the 27945 locus (p = 0.0067). It also revealed a molecular marker of an increased risk of development of malignant skin melanomas in healthy people: CC genotype of the XPD gene at the 35931 locus (p = 0.0042).
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Pergoli L, Favero C, Ruth M. P, Tarantini L, Calista D, Cavalleri T, Angelici L, Consonni D, Pier A. B, Angela C. P, Maria T. L, Bollati V. Blood DNA methylation, nevi number, and the risk of melanoma. Melanoma Res 2014; 24:480-7. [PMID: 25026000 PMCID: PMC6857929 DOI: 10.1097/cmr.0000000000000112] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Germline mutations determining increased cutaneous malignant melanoma (CMM) risk have been identified in familial and sporadic CMM cases, but they account only for a small proportion of CMM cases. Recent evidence suggests that germline epimutations (e.g. DNA methylation alterations), which can be inherited similarly to genomic mutations and can be detected in normal body cells (including blood), might increase susceptibility to cancer. The aim of the study was to identify germline epimutations of genes that were found to be mutated in familial CMM (p16, p14, CDK4, MC1R, hTERT), immune and inflammatory genes (ICAM-1, TNFα), DNA mismatch repair gene (MLH1), and repetitive elements (ALU, LINE-1, HERV-w). We measured DNA methylation using bisulfite pyrosequencing in peripheral blood mononuclear cells from 167 CMM cases and 164 sex-matched and age-matched controls. We used multivariable logistic regression models to evaluate the association between methylation levels and CMM status or presence of dysplastic nevi. We found an association between the risk of CMM and peripheral blood mononuclear cell methylation levels of TNFα [odds ratio (OR)=1.11, 95% confidence interval (CI)=1.03-1.18], CDK4 (OR=0.76, 95% CI=0.64-0.91), and MLH1 (OR=1.12, 95% CI=1.02-1.22). In control participants, the risk of developing dysplastic nevi was associated with methylation levels of TNFα (OR=0.81, 95% CI=0.69-0.95), hTERT (OR=0.90, 95% CI=0.82-0.99), and ALU (OR=1.56, 95% CI=1.02-2.39). Epimutations in CMM susceptibility genes and in genes involved in response to oxidative damage are associated with the risk of developing CMM or dysplastic nevi. Further studies measuring methylation levels of these genes in prospectively collected samples are warranted to further elucidate their role in the development and progression of CMM.
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Affiliation(s)
- Laura Pergoli
- Center of Molecular and Genetic Epidemiology, Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
| | - Chiara Favero
- Center of Molecular and Genetic Epidemiology, Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
| | - Pfeiffer Ruth M.
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, United States of America
| | - Letizia Tarantini
- Center of Molecular and Genetic Epidemiology, Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
| | | | - Tommaso Cavalleri
- Center of Molecular and Genetic Epidemiology, Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
| | - Laura Angelici
- Center of Molecular and Genetic Epidemiology, Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
| | - Dario Consonni
- Epidemiology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Bertazzi Pier A.
- Center of Molecular and Genetic Epidemiology, Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
- Epidemiology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Pesatori Angela C.
- Center of Molecular and Genetic Epidemiology, Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
- Epidemiology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Landi Maria T.
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, United States of America
| | - Valentina Bollati
- Center of Molecular and Genetic Epidemiology, Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
- Epidemiology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
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Zhu HL, Bao JM, Lin PX, Li WX, Zou ZN, Huang YE, Chen Q, Shen H. XPD Lys751Gln and Asp312Asn Polymorphisms and Susceptibility to Skin Cancer: A Meta-Analysis of 17 Case-control Studies. Asian Pac J Cancer Prev 2014; 15:6619-25. [DOI: 10.7314/apjcp.2014.15.16.6619] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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11
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Comprehensive assessment of the association between XPD rs13181 polymorphism and lung cancer risk. Tumour Biol 2014; 35:8125-32. [PMID: 24845027 DOI: 10.1007/s13277-014-1948-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Accepted: 04/06/2014] [Indexed: 10/25/2022] Open
Abstract
Xeroderma pigmentosum group D (XPD) rs13181 may reduce DNA repair capacity (DRC) through modifying XPD protein product. Reduced DRC is reportedly related to an increase in the risk of lung cancer. To precisely estimate the association between XPD rs13181 and lung cancer risk, we carried out the current meta-analysis. We searched multiple databases (up to 31 October 2013) for studies investigating the association of XPD rs13181 and lung cancer. Odds ratio (OR) was estimated with the fixed effect model to assess the association. Heterogeneity between studies was measured using Q test. Subgroup analyses were conducted by ethnicity, histological type, and sample size. Meta-analysis of 30 studies suggested that individuals carrying Gln/Gln genotype were more likely than the individuals with Lys/Lys or Lys/Gln + Lys/Lys genotypes (homozygous model, OR 1.18, 95 % confidence interval (CI) 1.07-1.31; recessive model, OR 1.17, 95 % CI 1.06-1.29) to develop lung cancer, without any substantial heterogeneity. This significantly increased risk was also revealed in the individuals harboring Gln/Gln + Lys/Gln genotypes (dominant model, OR 1.07, 95 % CI 1.01-1.12). Further stratification by histological type, ethnicity, and sample size yielded statistically significant estimates in subgroup of Caucasian subjects, non-small cell lung cancer, and relatively large studies, but borderline association in Asians. Our analyses demonstrate that XPD rs13181 may be associated with an increase in the risk of lung cancer among Caucasian populations.
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12
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Nucleotide excision repair gene polymorphisms, meat intake and colon cancer risk. Mutat Res 2014; 762:24-31. [PMID: 24607854 DOI: 10.1016/j.mrfmmm.2014.02.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Revised: 02/11/2014] [Accepted: 02/27/2014] [Indexed: 12/14/2022]
Abstract
PURPOSE Much of the DNA damage from colon cancer-related carcinogens, including heterocyclic amines (HCA) and polycyclic aromatic hydrocarbons (PAH) from red meat cooked at high temperature, are repaired by the nucleotide excision repair (NER) pathway. Thus, we examined whether NER non-synonymous single nucleotide polymorphisms (nsSNPs) modified the association between red meat intake and colon cancer risk. METHODS The study consists of 244 African-American and 311 white colon cancer cases and population-based controls (331 African Americans and 544 whites) recruited from 33 counties in North Carolina from 1996 to 2000. Information collected by food frequency questionnaire on meat intake and preparation methods were used to estimate HCA and benzo(a)pyrene (BaP, a PAH) intake. We tested 7 nsSNPs in 5 NER genes: XPC A499V and K939Q, XPD D312N and K751Q, XPF R415Q, XPG D1104H, and RAD23B A249V. Adjusted odds ratios (OR) and 95% confidence intervals (CI) were calculated using unconditional logistic regression. RESULTS Among African Americans, we observed a statistically significant positive association between colon cancer risk and XPC 499 AV+VV genotype (OR=1.7, 95% CI: 1.1, 2.7, AA as referent), and an inverse association with XPC 939 QQ (OR=0.3, 95%CI: 0.2, 0.8, KK as referent). These associations were not observed among whites. For both races combined, there was interaction between the XPC 939 genotype, well-done red meat intake and colon cancer risk (OR=1.5, 95% CI=1.0, 2.2 for high well-done red meat and KK genotype as compared to low well-done red meat and KK genotype, pinteraction=0.05). CONCLUSIONS Our data suggest that NER nsSNPs are associated with colon cancer risk and may modify the association between well-done red meat intake and colon cancer risk.
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Fargnoli MC, Argenziano G, Zalaudek I, Peris K. High- and low-penetrance cutaneous melanoma susceptibility genes. Expert Rev Anticancer Ther 2014; 6:657-70. [PMID: 16759158 DOI: 10.1586/14737140.6.5.657] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The aim of this review is to report the current understanding of the molecular genetics of melanoma predisposition. To date, two high-penetrance melanoma susceptibility genes, cyclin-dependent kinas inhibitor (CDKN)2A on chromosome 9p21 and cyclin-dependent kinase (CDK4) on 12q13, have been identified. Germline inactivating mutations of the CDKN2A gene are the most common cause of inherited susceptibility to melanoma. Worldwide, a few families have been found to harbor CDK4 mutations. However, predisposing alterations to familial melanoma are still unknown in a large proportion of kindreds. Other melanoma susceptibility loci have been mapped through genome-wide linkage analysis, although the putative causal genes at these loci have yet to be identified. Much ongoing research is being focused on the identification of low-penetrance melanoma susceptibility genes that confer a lower melanoma risk with more frequent variations. Specific variants of the MC1R gene have been demonstrated to confer an increase in melanoma risk. In addition, conflicting data are available on other potential low-penetrance genes encoding proteins involved in pigmentation, cell growth and differentiation, DNA repair or detoxifying of metabolites.
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Charron CS, Clevidence BA, Albaugh GA, Kramer MH, Vinyard BT, Milner JA, Novotny JA. Assessment of DNA damage and repair in adults consuming allyl isothiocyanate or Brassica vegetables. J Nutr Biochem 2013; 24:894-902. [PMID: 22902324 PMCID: PMC3504633 DOI: 10.1016/j.jnutbio.2012.06.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2011] [Revised: 05/18/2012] [Accepted: 06/02/2012] [Indexed: 01/28/2023]
Abstract
Allyl isothiocyanate (AITC) is a dietary component with possible anticancer effects, though much information about AITC and cancer has been obtained from cell studies. To investigate the effect of AITC on DNA integrity in vivo, a crossover study was conducted. Adults (n=46) consumed AITC, AITC-rich vegetables [mustard and cabbage (M/C)] or a control treatment with a controlled diet for 10 days each. On day 11, volunteers provided blood and urine before and after consuming treatments. Volunteers were characterized for genotype for GSTM1 and GSTT1 (glutathione S-transferases) and XPD (DNA repair). DNA integrity in peripheral blood mononuclear cells was assessed by single-cell gel electrophoresis. Urine was analyzed for 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) and creatinine. Ten-day intake of neither AITC nor M/C resulted in statistically significant differences in DNA strand breaks [least squares mean (LSmean) % DNA in tail±S.E.M.: 4.8±0.6 for control, 5.7±0.7 for AITC, 5.3±0.6 for M/C] or urinary 8-oxodG (LSmean μg 8-oxodG/g creatinine±S.E.M.: 2.95±0.09 for control, 2.88±0.09 for AITC, 3.06±0.09 for M/C). Both AITC and M/C increased DNA strand breaks 3 h postconsumption (LSmean % DNA in tail±S.E.M.: 3.2±0.7 for control, 8.3±1.7 for AITC, 8.0±1.7 for M/C), and this difference disappeared at 6 h (4.2±0.9 for control, 5.7±1.2 for AITC, 5.5±1.2 for M/C). Genotypes for GSTM1, GSTT1 and XPD were not associated with treatment effects. In summary, DNA damage appeared to be induced in the short term by AITC and AITC-rich products, but that damage disappeared quickly, and neither AITC nor AITC-rich products affected DNA base excision repair.
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Affiliation(s)
- Craig S. Charron
- U. S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center, Beltsville, MD 20705
| | - Beverly A. Clevidence
- U. S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center, Beltsville, MD 20705
| | - George A. Albaugh
- U. S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center, Beltsville, MD 20705
| | - Matthew H. Kramer
- U. S. Department of Agriculture, Agricultural Research Service, Biometrical Consulting Services, Beltsville, MD 20705
| | - Bryan T. Vinyard
- U. S. Department of Agriculture, Agricultural Research Service, Biometrical Consulting Services, Beltsville, MD 20705
| | - John A. Milner
- National Institutes of Health, National Cancer Institute, Division of Cancer Prevention, Nutritional Science Research Group, Rockville, MD 20892
| | - Janet A. Novotny
- U. S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center, Beltsville, MD 20705
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Paszkowska-Szczur K, Scott RJ, Serrano-Fernandez P, Mirecka A, Gapska P, Górski B, Cybulski C, Maleszka R, Sulikowski M, Nagay L, Lubinski J, Dębniak T. Xeroderma pigmentosum genes and melanoma risk. Int J Cancer 2013; 133:1094-100. [PMID: 23436679 DOI: 10.1002/ijc.28123] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2012] [Accepted: 02/11/2013] [Indexed: 01/22/2023]
Abstract
Xeroderma pigmentosum is a rare autosomal recessive disease that is associated with a severe deficiency in nucleotide excision repair. The presence of a distinct the nucleotide excision repair (NER) mutation signature in melanoma suggests that perturbations in this critical repair process are likely to be involved with disease risk. We hypothesized that persons with polymorphic NER gene(s) are likely to have reduced NER activity and are consequently at an increased risk of melanoma development. We assessed the association between 94 SNPs within seven XP genes (XPA-XPG) and the melanoma risk in the Polish population. We genotyped 714 unselected melanoma patients and 1,841 healthy adults to determine if there were any polymorphisms differentially represented in the disease group. We found that a significantly decreased risk of melanoma was associated with the Xeroderma pigmentosum complementation (XPC) rs2228000_CT genotype (odds ratio [OR] = 0.15; p < 0.001) and the rs2228000_TT genotype (OR = 0.11; p < 0.001) compared to the reference genotype. Haplotype analysis within XPC revealed the rs2228001_A + G1475A_G + G2061A_A + rs2228000_T + rs3731062_C haplotype (OR = 0.26; p < 0.05) was associated with a significantly decreased disease risk. The haplotype analysis within the Xeroderma pigmentosum group D (XPD) showed a modest association between two haplotypes and a decrease in melanoma risk. There were no major differences between the prevalence of the XP polymorphisms among young or older patients with melanoma. Linkage disequilibrium of XPC: rs2228001, G1475A, G2061A, rs2228000 and rs3731062 was found. The data from our study support the notion that only XPC and XPD genes are associated with melanoma susceptibility.
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Affiliation(s)
- K Paszkowska-Szczur
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, Szczecin, Poland.
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Comprehensive assessment of the association of ERCC2 Lys751Gln polymorphism with susceptibility to cutaneous melanoma. Tumour Biol 2013; 34:1155-60. [PMID: 23494240 DOI: 10.1007/s13277-013-0657-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2012] [Accepted: 01/09/2013] [Indexed: 01/23/2023] Open
Abstract
Previous studies evaluating the association between excision repair cross-complimentary group 2 (ERCC2) Lys751Gln polymorphism and susceptibility to cutaneous melanoma reported conflicting findings. We searched PubMed and Wangfang Medical databases up to October 16, 2012 to identify eligible studies. A total of 8 case-control studies including 3,492 cases and 5,381 controls were included in the meta-analysis. Statistical analysis was performed with Review Manage version 5.1. Odds ratios (ORs) with 95 % confidence intervals (95 %CIs) were used to assess the strength of the association. There was no obvious between-study heterogeneity among those eight studies under all four comparison models. Overall, there was a significant association between ERCC2 Lys751Gln polymorphism and susceptibility to cutaneous melanoma under three genetic models (for Gln versus Lys: OR = 1.08, 95 % CI = 1.01-1.15, P = 0.02; for GlnGln versus LysLys: OR = 1.16, 95 % CI = 1.01-1.33, P = 0.03; for GlnGln/LysGln versus LysLys: OR = 1.10, 95 % CI = 1.01-1.21, P = 0.04). Sensitivity analysis by omitting one study a time showed the significance of the pooled ORs was stable under all those three genetic models above. Therefore, the meta-analysis suggests that there is a significant association between ERCC2 Lys751Gln polymorphism and susceptibility to cutaneous melanoma.
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Schäfer A, Emmert S, Kruppa J, Schubert S, Tzvetkov M, Mössner R, Reich K, Berking C, Volkenandt M, Pföhler C, Schön MP, Vogt T, König IR, Reichrath J. No association of vitamin D metabolism-related polymorphisms and melanoma risk as well as melanoma prognosis: a case-control study. Arch Dermatol Res 2012; 304:353-61. [PMID: 22576141 PMCID: PMC3382284 DOI: 10.1007/s00403-012-1243-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2012] [Revised: 04/25/2012] [Accepted: 04/30/2012] [Indexed: 12/11/2022]
Abstract
Melanoma is one of the most aggressive human cancers. The vitamin D system contributes to the pathogenesis and prognosis of malignancies including cutaneous melanoma. An expression of the vitamin D receptor (VDR) and an anti-proliferative effect of vitamin D in melanocytes and melanoma cells have been shown in vitro. Studies examining associations of polymorphisms in genes coding for vitamin D metabolism-related proteins (1α-hydroxylase [CYP27B1], 1,25(OH)2D-24hydroxylase [CYP24A1], vitamin D-binding protein [VDBP]) and cancer risk are scarce, especially with respect to melanoma. Mainly VDR polymorphisms regarding melanoma risk and prognosis were examined although other vitamin D metabolism-related genes may also be crucial. In our hospital-based case–control study including 305 melanoma patients and 370 healthy controls single nucleotide polymorphisms in the genes CYP27B1 (rs4646536), CYP24A1 (rs927650), VDBP (rs1155563, rs7041), and VDR (rs757343, rs731236, rs2107301, rs7975232) were analyzed for their association with melanoma risk and prognosis. Except VDR rs731236 and VDR rs2107301, the other six polymorphisms have not been analyzed regarding melanoma before. To further improve the prevention as well as the treatment of melanoma, it is important to identify further genetic markers for melanoma risk as well as prognosis in addition to the crude phenotypic, demographic, and environmental markers used in the clinic today. A panel of genetic risk markers could help to better identify individuals at risk for melanoma development or worse prognosis. We, however, found that none of the polymorphisms tested was associated with melanoma risk as well as prognosis in logistic and linear regression models in our study population.
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Affiliation(s)
- Annika Schäfer
- Department of Dermatology, Venereology, and Allergology, Georg August University Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
| | - Steffen Emmert
- Department of Dermatology, Venereology, and Allergology, Georg August University Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
| | - Jochen Kruppa
- Institute of Medical Biometry and Statistics, University Lübeck, University Hospital Schleswig–Holstein, Campus Lübeck, Maria-Goeppert-Straße 1, 23562 Lübeck, Germany
| | - Steffen Schubert
- Department of Dermatology, Venereology, and Allergology, Georg August University Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
| | - Mladen Tzvetkov
- Department of Clinical Pharmacology, Georg August University Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
| | - Rotraut Mössner
- Department of Dermatology, Venereology, and Allergology, Georg August University Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
| | - Kristian Reich
- Department of Dermatology, Venereology, and Allergology, Georg August University Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
- Dermatologikum Hamburg, Stephansplatz 5, 20354 Hamburg, Germany
| | - Carola Berking
- Department of Dermatology, Ludwig-Maximilians-University of Munich, Frauenlobstrasse 9-11, 80337 Munich, Germany
| | - Matthias Volkenandt
- Dermatologikum Hamburg, Stephansplatz 5, 20354 Hamburg, Germany
- Department of Dermatology, Ludwig-Maximilians-University of Munich, Frauenlobstrasse 9-11, 80337 Munich, Germany
| | - Claudia Pföhler
- Department of Dermatology, Venereology, and Allergology, University Clinic Saarland, Building 18, 66041 Homburg, Germany
| | - Michael P. Schön
- Department of Dermatology, Venereology, and Allergology, Georg August University Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
| | - Thomas Vogt
- Department of Dermatology, Venereology, and Allergology, University Clinic Saarland, Building 18, 66041 Homburg, Germany
| | - Inke R. König
- Institute of Medical Biometry and Statistics, University Lübeck, University Hospital Schleswig–Holstein, Campus Lübeck, Maria-Goeppert-Straße 1, 23562 Lübeck, Germany
| | - Jörg Reichrath
- Department of Dermatology, Venereology, and Allergology, University Clinic Saarland, Building 18, 66041 Homburg, Germany
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Gonçalves FT, Francisco G, de Souza SP, Luiz OC, Festa-Neto C, Sanches JA, Chammas R, Gattas GJ, Eluf-Neto J. European ancestry and polymorphisms in DNA repair genes modify the risk of melanoma: A case–control study in a high UV index region in Brazil. J Dermatol Sci 2011; 64:59-66. [PMID: 21733660 DOI: 10.1016/j.jdermsci.2011.06.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2010] [Revised: 05/10/2011] [Accepted: 06/08/2011] [Indexed: 11/24/2022]
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Genetic polymorphisms in DNA repair and oxidative stress pathways associated with malignant melanoma susceptibility. Eur J Cancer 2011; 47:2618-25. [PMID: 21641795 DOI: 10.1016/j.ejca.2011.05.011] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2011] [Revised: 04/28/2011] [Accepted: 05/06/2011] [Indexed: 11/23/2022]
Abstract
BACKGROUND Base excision repair (BER) and nucleotide excision repair (NER) pathways eliminate a wide variety of DNA damage, including UV photoproducts. The ability of each individual to repair DNA damage following different causes might explain at least in part the variability in cancer susceptibility. Moreover, inflammatory response to UV exposure may further contribute to skin carcinogenesis by oxidative stress mechanisms. Single nucleotide polymorphisms in genes encoding various DNA-repair enzymes and oxidative stress factors may be candidate low-penetrance variants with a role in susceptibility to different cancers, particularly in those with aetiologies linked to environmental exposure, such as malignant melanoma (MM). METHODS In this case-control study, 684 Spanish sporadic MM patients and 406 cancer-free control subjects were included and the role of 46 polymorphisms belonging to 16 BER and NER genes as well as 11 genes involved in oxidative stress processes were investigated. RESULTS One polymorphism was identified to be individually associated with MM in the Spanish population. The variant was found in the NOS1 oxidative stress gene (rs2682826; p-value=0.01). These results suggest a putative role of oxidative stress processes in the genetic predisposition to melanoma. CONCLUSION To the authors' knowledge, this is the largest DNA repair-related SNP study in melanoma risk conducted in the Spanish population up to now. Furthermore, it also represents a comprehensive genetic study of several oxidative stress polymorphisms tested in relation to MM susceptibility.
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Figl A, Scherer D, Nagore E, Bermejo JL, Botella-Estrada R, Gast A, Thirumaran RK, Planelles D, Hemminki K, Schadendorf D, Kumar R. Single-nucleotide polymorphisms in DNA-repair genes and cutaneous melanoma. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2010; 702:8-16. [DOI: 10.1016/j.mrgentox.2010.06.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2010] [Revised: 05/06/2010] [Accepted: 06/14/2010] [Indexed: 01/04/2023]
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Di Lucca J, Guedj M, Descamps V, Bourillon A, Dieudé P, Saiag P, Wolkenstein P, Dupin N, Lebbe C, Basset-Seguin N, Grandchamp B, Soufir N. Interactions between ultraviolet light exposure and DNA repair gene polymorphisms may increase melanoma risk. Br J Dermatol 2010; 162:891-3. [DOI: 10.1111/j.1365-2133.2010.09644.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abdel-Malek ZA, Kadekaro AL, Swope VB. Stepping up melanocytes to the challenge of UV exposure. Pigment Cell Melanoma Res 2010; 23:171-86. [PMID: 20128873 DOI: 10.1111/j.1755-148x.2010.00679.x] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Exposure to solar ultraviolet radiation (UV) is the main etiological factor for skin cancer, including melanoma. Cutaneous pigmentation, particularly eumelanin, afforded by melanocytes is the main photoprotective mechanism, as it prevents UV-induced DNA damage in the epidermis. Therefore, maintaining genomic stability of melanocytes is crucial for prevention of melanoma, as well as keratinocyte-derived basal and squamous cell carcinoma. A critical independent factor for preventing melanoma is DNA repair capacity. The response of melanocytes to UV is mediated mainly by a network of paracrine factors that not only activate melanogenesis, but also DNA repair, anti-oxidant, and survival pathways that are pivotal for maintenance of genomic stability and prevention of malignant transformation or apoptosis. However, little is known about the stress response of melanocytes to UV and the regulation of DNA repair pathways in melanocytes. Unraveling these mechanisms might lead to strategies to prevent melanoma, as well as non-melanoma skin cancer.
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Affiliation(s)
- Zalfa A Abdel-Malek
- Department of Dermatology, University of Cincinnati Collage of Medicine, Cincinnati, OH, USA.
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Mocellin S, Verdi D, Nitti D. DNA repair gene polymorphisms and risk of cutaneous melanoma: a systematic review and meta-analysis. Carcinogenesis 2009; 30:1735-43. [PMID: 19706646 DOI: 10.1093/carcin/bgp207] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Polymorphisms of DNA repair-related genes might modulate cancer predisposition. We performed a systematic review and meta-analysis of the available evidence regarding the relationship between these polymorphisms and the risk of developing cutaneous melanoma. Relevant studies were searched using PubMed, Medline, Embase, Cancerlit, Cochrane and ISI Web of Knowledge databases. Data were gathered according to the Meta-analysis Of Observational Studies in Epidemiology (MOOSE) guidelines. The model-free approach was adopted to perform the meta-analysis of the retrieved data. We identified 20 original reports that describe the relationship between melanoma risk and the single-nucleotide polymorphisms (SNPs) of 16 genes (cases = 4195). For seven SNPs considered in at least two studies, the findings were heterogeneous. Data were suitable for meta-analysis only in the case of the XPD/ERCC2 SNP rs13181 (cases = 2308, controls = 3698) and demonstrated that the variant C allele is associated with increased melanoma risk (odds ratio = 1.12, 95% confidence interval = 1.03-1.21, P = 0.01; population attributable risk = 9.6%). This is the first meta-analysis suggesting that XPD/ERCC2 might represent a low-penetrance melanoma susceptibility gene. Much work is still to be done before definitive conclusions can be drawn on the role of DNA repair alterations in melanomagenesis since for the other genes involved in this highly complex process, the available information is scarce or null.
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Affiliation(s)
- Simone Mocellin
- Department of Oncological and Surgical Sciences, Meta-analysis Unit, University of Padova, Padova, Italy.
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24
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Gapska P, Scott RJ, Serrano-Fernandez P, Mirecka A, Rassoud I, Górski B, Cybulski C, Huzarski T, Byrski T, Nagay L, Maleszka R, Sulikowski M, Lubinski J, Debniak T. Vitamin D receptor variants and the malignant melanoma risk: a population-based study. Cancer Epidemiol 2009; 33:103-7. [PMID: 19679055 DOI: 10.1016/j.canep.2009.06.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2009] [Revised: 06/12/2009] [Accepted: 06/17/2009] [Indexed: 01/07/2023]
Abstract
BACKGROUND There is continuing interest in identifying low-penetrance genes which are associated with an increased susceptibility to common types of cancer, including malignant melanoma. METHODS We sought to examine the association between four VDR common variants (rs1544410, rs731236, rs10735810, rs4516035) and the risk of melanoma in the Polish population. We also determined the prevalence of compound carriers of VDR and known MM genetic risk factors MC1R and CDKN2A (A148T) variants. We examined 763 unselected melanoma cases, 763 healthy adults matched for sex and age with the melanoma cases and 777 newborns. RESULTS None of the VDR variants alone or as compound carriers of two or more of the VDR genotypes were associated with MM risk. There were no major differences between the prevalences of the examined variants among patients with MM on UV-exposed and UV-non exposed skin areas, as well as among early-onset and late-onset cases. We found no association between VDR and MC1R or between VDR and CDKN2A common variants. A statistically significant over-representation of one VDR haplotype: rs731236_A+rs1544410_T (OR=3.2, p=0.02) was detected. Linkage disequilibrium of rs1544410 and rs731236 was confirmed. CONCLUSION To answer the question, whether VDR can be regarded as melanoma susceptibility gene, additional, large multi-center association studies have to be performed.
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Affiliation(s)
- P Gapska
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, Szczecin, Poland
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25
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Di Lucca J, Guedj M, Lacapère JJ, Fargnoli MC, Bourillon A, Dieudé P, Dupin N, Wolkenstein P, Aegerter P, Saiag P, Descamps V, Lebbe C, Basset-Seguin N, Peris K, Grandchamp B, Soufir N. Variants of the xeroderma pigmentosum variant gene (POLH) are associated with melanoma risk. Eur J Cancer 2009; 45:3228-36. [PMID: 19477635 DOI: 10.1016/j.ejca.2009.04.034] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2009] [Revised: 04/26/2009] [Accepted: 04/28/2009] [Indexed: 01/25/2023]
Abstract
PURPOSE Xeroderma pigmentosum variant (XPV) is a rare recessive autosomal genodermatosis predisposing to multiple early onset skin cancers, including melanoma. XPV results from mutations of the POLH gene that encodes a DNA translesion polymerase. In this work, we tested the hypothesis that POLH variants could be associated with melanoma risk. EXPERIMENTAL DESIGN A common non-synonymous POLH variant, c.1783A>G p.M595V, was genotyped in 1075 melanoma patients and in 1091 ethnic-matched controls from France. In addition, we searched for rare POLH variants by sequencing the entire coding sequence in 201 patients having a familial history of melanoma (n=123), sporadic multiple melanomas (n=65) and a melanoma associated with a skin carcinoma (n=13). RESULTS Overall, the c.1783G, p.595V allele was statistically associated with melanoma (respective allelic frequencies, 0.040 versus 0.022, P-value=1.17 x 10(-3), odds ratio (OR)=1.86 [1.27-2.71]), which was further confirmed by a meta-analysis including 274 patients and 174 matched controls from Italy (P-value=7.7 x 10(-4), OR=1.84 [1.29-2.63]). Interestingly, three non-synonymous POLH variants were identified in three patients (c.295G>A p.V99M, c.815T>C p.I272T and c.1745C>T p.S582L) which were absent in 352 chromosome controls from healthy subjects. CONCLUSIONS Besides severe deficiencies in translesion synthesis which are major risks factors for skin carcinomas and melanomas, less deleterious POLH variants could act as low penetrance melanoma predisposing alleles. The ongoing identification of genetic markers implied in skin cancer predisposition could help to identify high-risk subjects as targets for clinical follow-up. Replication studies in other populations are awaited to assess these data.
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Affiliation(s)
- Julie Di Lucca
- Laboratoire de Biochimie Hormonale et Génétique, Hôpital Bichat-Claude Bernard, APHP, IFR02, Université Paris, Henri Huchard, 75018 Paris, France
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26
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Distal and proximal interleukin (IL)-10 promoter polymorphisms associated with risk of cutaneous melanoma development: a case–control study. Genes Immun 2009; 10:586-90. [DOI: 10.1038/gene.2009.40] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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27
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Park JY, Huang Y, Sellers TA. Single nucleotide polymorphisms in DNA repair genes and prostate cancer risk. Methods Mol Biol 2009; 471:361-85. [PMID: 19109789 DOI: 10.1007/978-1-59745-416-2_18] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The specific causes of prostate cancer are not known. However, multiple etiologic factors, including genetic profile, metabolism of steroid hormones, nutrition, chronic inflammation, family history of prostate cancer, and environmental exposures are thought to play significant roles. Variations in exposure to these risk factors may explain interindividual differences in prostate cancer risk. However, regardless of the precise mechanism(s), a robust DNA repair capacity may mitigate any risks conferred by mutations from these risk factors. Numerous single nucleotide polymorphisms (SNPs) in DNA repair genes have been found, and studies of these SNPs and prostate cancer risk are critical to understanding the response of prostate cells to DNA damage. A few SNPs in DNA repair genes are associated with significantly increased risk of prostate cancer; however, in most cases, the effects are moderate and often depend upon interactions among the risk alleles of several genes in a pathway or with other environmental risk factors. This report reviews the published epidemiologic literature on the association of SNPs in genes involved in DNA repair pathways and prostate cancer risk.
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Affiliation(s)
- Jong Y Park
- Division of Cancer Prevention and Control, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
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28
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Affiliation(s)
- Nadem Soufir
- Department of Dermatology, Laboratoire de Biochimie Hormonale et Génétique, IFR02, Hopital Bichat-Claude Bernard, 46rue Henri Huchard, Paris, France
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Wang F, Chang D, Hu FL, Sui H, Han B, Li DD, Zhao YS. DNA repair gene XPD polymorphisms and cancer risk: a meta-analysis based on 56 case-control studies. Cancer Epidemiol Biomarkers Prev 2008; 17:507-17. [PMID: 18349268 DOI: 10.1158/1055-9965.epi-07-2507] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Genetic variations in the XPD gene may increase cancer susceptibility by affecting the capacity for DNA repair. Several studies have investigated this possibility; however, the conclusions remain controversial. Therefore, we did a systematic review and executed a meta-analysis to explore the association. From 56 studies, a total of 61 comparisons included 25,932 cases and 27,733 controls concerning the Lys 751Gln polymorphism; 35 comparisons included 16,781 cases and 18,879 controls in the case of Asp 312 Asn were reviewed. In this analysis, small associations of the XPD Lys 751 Gln polymorphism with cancer risk for esophageal cancer [for Lys/Gln versus Lys/Lys: odds ratio (OR), 1.34; 95% confidence interval (95% CI), 1.10-1.64; for Gln/Gln versus Lys/Lys: OR, 1.61; 95% CI, 1.16-2.25] and acute lymphoblastic leukemia (for Gln/Gln versus Lys/Lys: OR, 1.83; 95% CI, 1.21-2.75) are revealed. Overall, individuals with the Gln/Gln genotype have a small cancer risk compared with Lys/Lys genotype for the reviewed cancer in total (OR, 1.10; 95% CI, 1.03-1.16). Subtle but significant cancer risk was observed for the XPD Asp 312 Asn polymorphism in bladder cancer (for Asp/Asn versus Asp/Asp: OR, 1.24; 95% CI, 1.06-1.46). No significant associations were found for other cancers separately and all the reviewed cancer in total assessed for the Asp 312 Asn polymorphism. Our study suggests that XPD is a candidate gene for cancer susceptibility regardless of environmental factors.
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Affiliation(s)
- Fan Wang
- Department of Epidemiology, Public Health College, Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
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30
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Rass K, Reichrath J. UV damage and DNA repair in malignant melanoma and nonmelanoma skin cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2008; 624:162-78. [PMID: 18348455 DOI: 10.1007/978-0-387-77574-6_13] [Citation(s) in RCA: 108] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Exposition of the skin with solar ultraviolet radiation (UV) is the main cause of skin cancer development. The consistently increasing incidences of melanocytic and nonmelanocytic skin tumors are believed to be at least in part associated with recreational sun exposure. Epidemiological data indicate that excessive or cumulative sunlight exposition takes place years and decades before the resulting malignancies arise. The most important defense mechanisms that protect human skin against UV radiation involve melanin synthesis and active repair mechanisms. DNA is the major target of direct or indirect UV-induced cellular damage. Low pigmentation capacity in white Caucasians and rare congenital defects in DNA repair are mainly responsible for protection failures. The important function of nucleotide excision DNA repair (NER) to protect against skin cancer becomes obvious by the rare genetic disease xeroderma pigmentosum, in which diverse NER genes are mutated. In animal models, it has been demonstrated that UVB is more effective to induce skin cancer than UVA. UV-induced DNA photoproducts are able to cause specific mutations (UV-signature) in susceptible genes for squamous cell carcinoma (SCC) and basal cell carcinoma (BCC). In SCC development, UV-signature mutations in the p513 tumor suppressor gene are the most common event, as precancerous lesions reveal approximately 80% and SCCs > 90% UV-specific p53 mutations. Mutations in Hedgehog pathway related genes, especially PTCH1, are well known to represent the most significant pathogenic event in BCC. However, specific UV-induced mutations can be found only in approximately 50% of sporadic BCCs. Thus, cumulative UVB radiation can not be considered to be the single etiologic risk factor for BCC development. During the last decades, experimental animal models, including genetically engineered mice, the Xiphophorus hybrid fish, the south american oppossum and human skin xenografts, have further elucidated the important role of the DNA repair system in the multi-step process of UV-induced melanomagenesis. An increasing body of evidence now indicates that nucleotide excision repair is not the only DNA repair pathway that is involved in UV-induced tumorigenesis of melanoma and nonmelanoma skin cancer. An interesting new perspective in DNA damage and repair research lies in the participation of mammalian mismatch repair (MMR) in UV damage correction. As MMR enzyme hMSH2 displays a p53 target gene, is induced by UVB radiation and is involved in NER pathways, studies have now been initiated to elucidate the physiological and pathophysiological role of MMR in malignant melanoma and nonmelanoma skin cancer development.
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Affiliation(s)
- Knuth Rass
- Clinic for Dermatology, Venerology and Allergology, The Saarland University Hospital, 66421 Homburg/Saar, Germany.
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Shao J, Gu M, Xu Z, Hu Q, Qian L. Polymorphisms of the DNA gene XPD and risk of bladder cancer in a Southeastern Chinese population. ACTA ACUST UNITED AC 2007; 177:30-6. [PMID: 17693188 DOI: 10.1016/j.cancergencyto.2007.05.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2006] [Accepted: 05/04/2007] [Indexed: 01/13/2023]
Abstract
The incidence rate for bladder cancer has been increasing in many countries, and bladder cancer is the most common urinary cancer in China. We explored the association of single-nucleotide polymorphisms in DNA repair genes with bladder cancer. The hypothesis is that the xeroderma pigmentosum complementary group D (XPD) 156-22541C-->A and 751-35931A-->C polymorphisms are associated with the risk of bladder cancer. In a population-based case-control study, 215 patients with newly diagnosed bladder transitional cell carcinoma and 245 cancer-free controls/healthy subjects (frequency-matched by the age and sex) were genotyped. These two polymorphisms were studied using the polymerase chain reaction restriction fragment length polymorphism method. We found that the A allele of XPD Arg156Arg (C22541A) and the C allele of XPD Lys751Gln (A35931C) is associated with increased risk of bladder cancer (adjusted odds ratio = 1.54 and 95% confidence interval = 1.19-2.01, 1.65, and 1.12-2.73, respectively). Smoking is also a risk factor in the etiology of bladder cancer, but alcohol intake is a protective factor during the development of bladder cancer. These two XPD polymorphisms may play an important role in the etiology of bladder cancer in the southeastern Chinese population.
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Affiliation(s)
- Jianfeng Shao
- Department of Urological Surgery, Wuxi No.1 People's Hospital Affiliated to Nanjing Medical University, People Road 111, Wuxi, PR China
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Some molecular and clinical aspects of genetic predisposition to malignant melanoma and tumours of various site of origin. Hered Cancer Clin Pract 2007; 5:97-116. [PMID: 19725989 PMCID: PMC2736997 DOI: 10.1186/1897-4287-5-2-97] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2007] [Accepted: 05/16/2007] [Indexed: 01/07/2023] Open
Abstract
Based on epidemiological data we can assume that at least some malignant melanoma (MM) and breast cancer cases can be caused by the same genetic factors. CDKN2A, which encodes the p16 protein, a cyclin-dependent kinase inhibitor suppressing cell proliferation, is regarded as a major melanoma susceptibility gene and the literature has also implicated this gene in predisposition to breast cancer. Genes also known to predispose to MM include XPD and MC1R. We studied CDKN2A/ARF, XPD and MC1R for their associations with melanoma and breast cancer risk in Polish patients and controls. We found that CDKN2A and ARF do not contribute significantly to either familial melanoma or malignant melanoma within the context of a cancer familial aggregation of disease with breast cancer. However, the common variant of the CDKN2A gene A148T, previously regarded as non-pathogenic, may predispose to malignant melanoma, early-onset breast cancer and lung cancer. Compound carriers of common XPD variants may be at slightly increased risk of breast cancer or late-onset malignant melanoma. Common recurrent variants of the MC1R gene (V60L, R151C, R163Q and R160W) may predispose to malignant melanoma. In general, the establishment of surveillance protocols proposed as an option for carriers of common alterations in CDKN2A, XPD or MC1R variants requires additional studies. It is possible that missense variants of genes for which truncating mutations are clearly pathogenic may also be deleterious, but with reduced penetrance. This may be overlooked unless large numbers of patients and controls are studied. A registry that includes 2000 consecutive breast cancer cases, 3500 early onset breast cancer patients, 500 unselected malignant melanoma and over 700 colorectal cancer patients has been established in the International Hereditary Cancer Centre and can contribute to these types of large association studies.
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Norval M, Cullen AP, de Gruijl FR, Longstreth J, Takizawa Y, Lucas RM, Noonan FP, van der Leun JC. The effects on human health from stratospheric ozone depletion and its interactions with climate change. Photochem Photobiol Sci 2007; 6:232-51. [PMID: 17344960 DOI: 10.1039/b700018a] [Citation(s) in RCA: 117] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Ozone depletion leads to an increase in the ultraviolet-B (UV-B) component (280-315 nm) of solar ultraviolet radiation (UVR) reaching the surface of the Earth with important consequences for human health. Solar UVR has many harmful and some beneficial effects on individuals and, in this review, information mainly published since the previous report in 2003 (F. R. de Gruijl, J. Longstreth, M. Norval, A. P. Cullen, H. Slaper, M. L. Kripke, Y. Takizawa and J. C. van der Leun, Photochem. Photobiol. Sci., 2003, 2, pp. 16-28) is discussed. The eye is exposed directly to sunlight and this can result in acute or long-term damage. Studying how UV-B interacts with the surface and internal structures of the eye has led to a further understanding of the location and pathogenesis of a number of ocular diseases, including pterygium and cataract. The skin is also exposed directly to solar UVR, and the development of skin cancer is the main adverse health outcome of excessive UVR exposure. Skin cancer is the most common form of malignancy amongst fair-skinned people, and its incidence has increased markedly in recent decades. Projections consistently indicate a further doubling in the next ten years. It is recognised that genetic factors in addition to those controlling pigment variation can modulate the response of an individual to UVR. Several of the genetic factors affecting susceptibility to the development of squamous cell carcinoma, basal cell carcinoma and melanoma have been identified. Exposure to solar UVR down-regulates immune responses, in the skin and systemically, by a combination of mechanisms including the generation of particularly potent subsets of T regulatory cells. Such immunosuppression is known to be a crucial factor in the generation of skin cancers. Apart from a detrimental effect on infections caused by some members of the herpesvirus and papillomavirus families, the impact of UV-induced immunosuppression on other microbial diseases and vaccination efficacy is not clear. One important beneficial effect of solar UV-B is its contribution to the cutaneous synthesis of vitamin D, recognised to be a crucial hormone for bone health and for other aspects of general health. There is accumulating evidence that UVR exposure, either directly or via stimulation of vitamin D production, has protective effects on the development of some autoimmune diseases, including multiple sclerosis and type 1 diabetes. Adequate vitamin D may also be protective for the development of several internal cancers and infections. Difficulties associated with balancing the positive effects of vitamin D with the negative effects of too much exposure to solar UV-B are considered. Various strategies that can be adopted by the individual to protect against excessive exposure of the eye or the skin to sunlight are suggested. Finally, possible interactions between ozone depletion and climate warming are outlined briefly, as well as how these might influence human behaviour with regard to sun exposure.
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Affiliation(s)
- M Norval
- Medical Microbiology, University of Edinburgh Medical School, Teviot Place, Edinburgh, EH8 9AG, Scotland
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Povey JE, Darakhshan F, Robertson K, Bisset Y, Mekky M, Rees J, Doherty V, Kavanagh G, Anderson N, Campbell H, MacKie RM, Melton DW. DNA repair gene polymorphisms and genetic predisposition to cutaneous melanoma. Carcinogenesis 2007; 28:1087-93. [PMID: 17210993 DOI: 10.1093/carcin/bgl257] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The incidence of cutaneous melanoma is rising rapidly in a number of countries. The key environmental risk factor is exposure to the ultraviolet (UV) component in sunlight. The nucleotide excision repair (NER) pathway deals with the main forms of UV-induced DNA damage. We have investigated the hypothesis that polymorphisms in NER genes constitute genetic susceptibility factors for melanoma. However, not all melanomas arise on sun-exposed sites and so we investigated the hypothesis that genes involved in other pathways for the repair of oxidative DNA damage may also be involved in susceptibility to melanoma. Scotland, with its high incidence of melanoma and stable homogeneous population, was ideal for this case-control study, involving 596 Scottish melanoma patients and 441 population-based controls. Significant associations were found for the NER genes ERCC1 and XPF, with the strongest associations for melanoma cases aged 50 and under [ERCC1 odds ratio (OR) 1.59, P = 0.008; XPF OR 1.69, P = 0.003]. Although an XPD haplotype was associated with melanoma, it did not contain the variant 751 Gln allele, which has been associated with melanoma in some previous studies. No associations were found for the base excision repair and DNA damage response genes investigated. An association was also found for a polymorphism in the promoter of the vitamin D receptor gene, VDR (OR 1.88, P = 0.005). The products of the two NER genes, ERCC1 and XPF, where associations with melanoma were found, act together in a rate-limiting step in the repair pathway.
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Affiliation(s)
- Joanne E Povey
- Sir Alastair Currie Cancer Research UK Laboratories, Molecular Medicine Centre, University of Edinburgh, Western General Hospital, Crewe Road, Edinburgh, EH4 2XU, UK
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Debniak T, Scott R, Masojc B, Serrano-Fernández P, Huzarski T, Byrski T, Debniak B, Górski B, Cybulski C, Medrek K, Kurzawski G, van de Wetering T, Maleszka R, Kładny J, Lubinski J. MC1R common variants, CDKN2A and their association with melanoma and breast cancer risk. Int J Cancer 2006; 119:2597-602. [PMID: 16988943 DOI: 10.1002/ijc.22210] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We sought to examine the association between MC1R variants and the risk of melanoma and breast cancer in Polish population. We also determined the prevalence of compound heterozygous carriers of MC1R and CDKN2A (A148T) variants. We examined 500 unselected melanoma cases, 511 consecutive invasive breast cancer patients, 800 newborns, 421 healthy adults matched for sex and age with the melanoma cases and 511 healthy women matched for sex and age with the breast cancer cases. A statistically significant association of all 4 MC1R variants with the melanoma risk was found. For the R151C variant p value was 0.000008 and odds ratio 2.9; for the V60L variant p value was 0.007 and OR 1.78; for the R160C p was 0.006 and OR 1.76; for the R163Q p was 0.015 and odds ratio 2.1. None of the compound heterozygotes were significantly over-represented among any of the melanoma cases, the highest OR (4.2) observed in patients harbouring the A148T variant in CDKN2A and the R151C variant in MC1R. Positive association was found between carrying any of the MC1R variants and (i) increased occurrence of melanoma among I degree relatives of the carriers; (ii) increased occurrence of melanoma on UV-non-exposed skin areas. We also observed a tendency of increased risk of multiple melanomas among carriers of MC1R variants. The haplotype analysis demonstrates that MC1R variants do not co-occur in cis, compound carriers have both alleles affected. We found no association with the MC1R variants and breast cancer risk. In conclusion, the results of this population-based study show herein that MC1R variants are associated with increased melanoma risk in the Polish population. The risk of disease seems to be increased additively for patients harbouring also the CDKN2A common variant A148T.
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Affiliation(s)
- Tadeusz Debniak
- Department of Genetics and Pathology, International Hereditary Cancer Centre, Pomeranian Medical University, Szczecin, Poland.
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Li C, Hu Z, Liu Z, Wang LE, Strom SS, Gershenwald JE, Lee JE, Ross MI, Mansfield PF, Cormier JN, Prieto VG, Duvic M, Grimm EA, Wei Q. Polymorphisms in the DNA Repair Genes XPC, XPD, and XPG and Risk of Cutaneous Melanoma: a Case-Control Analysis. Cancer Epidemiol Biomarkers Prev 2006; 15:2526-32. [PMID: 17164380 DOI: 10.1158/1055-9965.epi-06-0672] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Sunlight causes DNA damage, including bulky lesions that are removed effectively by the nucleotide-excision repair (NER) pathway. There are at least eight core NER proteins participating in the pathway, and genetic variations in their genes may alter NER functions. We hypothesized that some NER variants are associated with risk of cutaneous melanoma. In a hospital-based case-control study of 602 non-Hispanic White patients with cutaneous melanoma and 603 age- and sex-matched cancer-free controls, we genotyped five common non-synonymous single-nucleotide polymorphisms identified to date and assessed their associations with risk of cutaneous melanoma. We found that a significantly increased risk of cutaneous melanoma was associated with XPD 751Lys/Gln [adjusted odds ratio (OR), 1.55 and 95% confidence interval (95% CI), 1.12-2.16] and XPD 751Gln/Gln (OR, 1.66; 95% CI, 1.03-2.68) genotypes compared with the XPD 751Lys/Lys genotype as well as XPD312Asp/Asn (OR, 1.54; 95% CI, 1.11-2.12) and XPD312Asn/Asn (OR, 1.75; 95% CI, 1.05-2.90) genotypes compared with the XPD 312Asp/Asp genotype. This increased risk was not observed in the other three XPC and XPG single-nucleotide polymorphisms. Moreover, the number of the observed XPD at-risk genotypes (i.e., 312Asn/Asn+Asn/Asp and 751Gln/Gln+Lys/Gln) was associated with cutaneous melanoma risk in a dose-response manner (OR, 1.47; 95% CI, 0.97-2.23 for one at-risk genotype; OR, 1.83; 95% CI, 1.29-2.61 for two at-risk genotypes; P(trend) < 0.001). However, we found no evidence of any interaction between XPD genotypes with XPC and XPG genotypes or the known risk factors. We concluded that genetic variants of the XPD gene might serve as biomarkers for susceptibility to cutaneous melanoma.
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Affiliation(s)
- Chunying Li
- Department of Epidemiology, The University of Texas M. D. Anderson Cancer Center, Unit 1365, 1515 Holcombe Boulevard, Houston, TX 77030, USA
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37
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Skjelbred CF, Svendsen M, Haugan V, Eek AK, Clausen KO, Svendsen MV, Hansteen IL. Influence of DNA repair gene polymorphisms of hOGG1, XRCC1, XRCC3, ERCC2 and the folate metabolism gene MTHFR on chromosomal aberration frequencies. Mutat Res 2006; 602:151-62. [PMID: 16997330 DOI: 10.1016/j.mrfmmm.2006.08.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2006] [Revised: 08/22/2006] [Accepted: 08/30/2006] [Indexed: 05/11/2023]
Abstract
We have studied the effect of genetic polymorphisms in the DNA repair genes hOGG1, XRCC1, XRCC3, ERCC2 and the MTHFR gene in the folate metabolism on the frequencies of cells with chromosomal aberrations (CA), chromosome-type aberrations (CSA), chromatid-type aberrations (CTA), chromatid breaks (CTB) and chromatid gaps (CTG) scored in peripheral blood lymphocytes from 651 Norwegian subjects of Caucasian descendant. DNA was extracted from fixed cell suspensions. The log-linear Poisson regression model was used for the combined data which included age, smoking, occupational exposure and genotype for 449 subjects. Our results suggest that individuals carrying the hOGG1 326Cys or the XRCC1 399Gln allele have an increased risk of chromosomal damage, while individuals carrying the XRCC1 194Trp or the ERCC2 751Gln allele have a reduced risk regardless of smoking habits and age. Individuals carrying the XRCC1 280His allele had an increased risk of CSA which was only apparent in non-smokers. This was independent of age. A protective effect of the XRCC3 241Met allele was only found in the older age group in non-smokers for CA, CSA and CTA, and in smokers for CSA. In the youngest age group, the opposite effect was found, with an increased risk for CA, CTA and CTG in smokers. Carrying the MTHFR 222Val allele gave an increased risk for chromosome and chromatid-type aberrations for both non-smokers and smokers, especially for individuals in the older age group, and with variable results in the youngest age group. The variables included in the different regression models accounted, however, for only 4-10% of the variation. The frequency ratio for CTG was significantly higher than for CTA and CTB for only 7 of the 43 comparisons performed. Some of the gap frequencies diverge from the trend in the CA, CSA, CTA and CTB results.
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Affiliation(s)
- Camilla Furu Skjelbred
- Department of Laboratory Medicine, Section of Medical Genetics, Telemark Hospital, N-3710 Skien, Norway
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38
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Le Morvan V, Longy M, Bonaïti-Pellié C, Bui B, Houédé N, Coindre JM, Robert J, Pourquier P. Genetic polymorphisms of the XPG and XPD nucleotide excision repair genes in sarcoma patients. Int J Cancer 2006; 119:1732-5. [PMID: 16646069 DOI: 10.1002/ijc.22009] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
There are more than 50 subtypes of soft tissue sarcomas, among which 30% are associated with specific genetic alterations, including translocations. Several studies have reported associations between cancer risk and polymorphisms of DNA repair genes from the nucleotide excision repair (NER) pathway. NER involves more than 20 proteins whose inactivation leads to xeroderma pigmentosum (XP) or cockayne syndrome (CS), among which XPD, a helicase allowing DNA strand excision by the endonuclease XPG. DNA from 93 patients with synovial sarcomas, myxoid liposarcomas, dermatofibrosarcomas protuberans (DFSP), malignant fibrous histiocytomas and leiomyosarcomas were genotyped for both XPD Lys751Gln and XPG Asp1104His polymorphisms. Departure from Hardy-Weinberg was highly significant for the XPG polymorphism with an excess of heterozygotes in synovial sarcomas (p = 1.5 x 10(-5)), myxoid liposarcomas (p = 1.5 x 10(-4)) and to a lesser extent in DFSP (p = 0.028). In the case of XPD, a significant deviation was observed in synovial sarcomas (p = 3 x 10(-6)) and DFSP (p = 0.0014). When tumors were pooled according to their genetic alterations, the proportion of carriers of the variant XPG allele was significantly increased in sarcomas with specific translocations as compared to sarcomas with complex genetics (p < 10(-9)). No difference was found for XPD. Genotyping of the tumor samples in synovial sarcomas and myxoid liposarcomas revealed frequent loss of heterozygosity for XPG, mostly due to the loss of the frequent allele. For XPD, both alleles were lost with a similar frequency. Our results raise the potential implication of the XPG Asp1104His polymorphism in the occurrence of chromosomal translocations associated with specific subtypes of sarcomas.
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Affiliation(s)
- Valérie Le Morvan
- Laboratory of Pharmacology of Anticancer Agents EA 515, Institut Bergonié & Université Victor Segalen Bordeaux 2, Bordeaux, France
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Yin J, Vogel U, Ma Y, Guo L, Wang H, Qi R. Polymorphism of the DNA repair gene ERCC2 Lys751Gln and risk of lung cancer in a northeastern Chinese population. ACTA ACUST UNITED AC 2006; 169:27-32. [PMID: 16875933 DOI: 10.1016/j.cancergencyto.2006.03.008] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2005] [Revised: 03/10/2006] [Accepted: 03/13/2006] [Indexed: 11/20/2022]
Abstract
The ERCC2 gene (excision repair cross-complementing rodent repair deficiency, complementation group 2 [xeroderma pigmentosum D]) (previously XPD), encoding a DNA repair protein, is involved in nucleotide excision repair and basal transcription. To test the effect of the polymorphism ERCC2 Lys751Gln on the risk of lung cancer in a northeastern Chinese population, a hospital-based case-control study was designed consisting of 147 newly diagnosed and previously untreated subjects with lung cancer and 145 cancer-free control subjects matched on age (+/-3 years), gender, and ethnicity. Among the controls, the allele frequency of the C-allele of ERCC2 Lys751Gln was 0.02. The C-allele of ERCC2 Lys751Gln was significantly overrepresented among lung cancer cases (C versus A: adjusted odds ratio OR(adj) = 2.61, 95% CI = 1.12-6.05, P = 0.03). The carriers of AC genotype were at 2.78-fold (OR(adj) = 2.78, 95% CI = 1.12-6.93) higher risk of lung cancer than carriers of the AA genotype. Subdivided by tumor type, carriers of AC genotype had a 4.65-fold higher risk of squamous cell carcinoma of lung compared with carriers of AA genotype (OR(adj) = 4.65, 95% CI = 1.67-12.98, P = 0.003); similar, but not statistically significant estimates were found for adenocarcinoma of lung. In conclusion, our results suggest that ERCC2 Lys751Gln(C) allele is a potential risk marker for lung cancer in this northeastern Chinese population.
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Affiliation(s)
- Jiaoyang Yin
- Department of Medical Genetics, Shenyang Medical College, No. 146, N. Huanghe St, Yuhong District, Shenyang 110034, Liaoning Province, PR China.
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40
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Smedby KE, Lindgren CM, Hjalgrim H, Humphreys K, Schöllkopf C, Chang ET, Roos G, Ryder LP, Falk KI, Palmgren J, Kere J, Melbye M, Glimelius B, Adami HO. Variation in DNA repair genes ERCC2, XRCC1, and XRCC3 and risk of follicular lymphoma. Cancer Epidemiol Biomarkers Prev 2006; 15:258-65. [PMID: 16492913 DOI: 10.1158/1055-9965.epi-05-0583] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The reasons for the positive association between skin cancer and non-Hodgkin's lymphoma are not known but may be due to common susceptibility involving suboptimal DNA repair. Therefore, we investigated selected polymorphisms and haplotypes in three DNA repair genes, previously associated with skin cancer and DNA repair capacity, in risk of follicular lymphoma, including possible gene interaction with cigarette smoking and sun exposure. We genotyped 19 single nucleotide polymorphisms (SNP) in the ERCC2, XRCC1, and XRCC3 genes in 430 follicular lymphoma patients and 605 controls within a population-based case-control study in Denmark and Sweden. Odds ratios (OR) and 95% confidence intervals (95% CI) were calculated using unconditional logistic regression and haplotype associations were assessed with a global score test. We observed no associations between variation in the ERCC2 and XRCC1 genes and follicular lymphoma risk. In XRCC3, increased risk of follicular lymphoma was suggested for rare homozygotes of three SNPs [Rs3212024: OR, 1.8 (95% CI, 1.1-2.8); Rs3212038: OR, 1.5 (95% CI, 1.0-2.4); Rs3212090: OR, 1.5 (95% CI, 1.0-2.5)]. These results were strengthened in current cigarette smokers. However, evidence of differences in XRCC3 haplotype distributions between follicular lymphoma cases and controls was weak, both overall and in current smokers. We conclude that polymorphic variation in the XRCC3 gene, but not in ERCC2 or XRCC1, may be of importance for susceptibility to follicular lymphoma, perhaps primarily in current smokers. The link between skin cancer and follicular lymphoma is unlikely to be mediated through common variation in the studied DNA repair gene polymorphisms.
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Affiliation(s)
- Karin Ekström Smedby
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Box 281, SE-171 77 Stockholm, Sweden.
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41
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Debniak T, Scott RJ, Huzarski T, Byrski T, Masojć B, van de Wetering T, Serrano-Fernandez P, Górski B, Cybulski C, Gronwald J, Debniak B, Maleszka R, Kładny J, Bieniek A, Nagay L, Haus O, Grzybowska E, Wandzel P, Niepsuj S, Narod SA, Lubinski J. XPD Common Variants and their Association with Melanoma and Breast Cancer Risk. Breast Cancer Res Treat 2006; 98:209-15. [PMID: 16685590 DOI: 10.1007/s10549-005-9151-2] [Citation(s) in RCA: 30] [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: 12/18/2005] [Indexed: 10/24/2022]
Abstract
There are suggestions in the literature that common variants in the XPD gene may be associated with an altered risk of melanoma and breast cancer. To establish if the XPD common variants Asp312Asn and Lys751Gln are associated with an increased melanoma or breast cancer risk we performed an association study based on genotyping 426 unselected patients with malignant melanoma (MM) and 1830 consecutive breast cancer cases and compared the results to 1262 geographically matched newborns, 621 adults from the region of Szczecin (unselected for age and cancer family history), 421 healthy adults age- and sex-matched with the melanoma cases and 511 healthy controls matched with the breast cancer patients from the region of Szczecin. Additionally we examined the prevalence of three additional XPD variants, Gly156Gly, Leu485Pro and Arg112His amongst the 421 unselected melanoma patients. All of the variants when evaluated singularly were found not to be associated either with melanoma or breast cancer risk in younger or older patients. A modest association was observed with breast cancer risk when the Lys751Gln_CC/Asp312Asn_AA genotype (OR=1.5, p<0.05) segregated together. Individuals harboring the Lys751Gln_CC/Gly156Gly_CC genotype were significantly over-represented among late-onset melanoma cases (OR=1.7, p<0.05). The results of analyses of linkage disequilibrium and haplotype frequency support the thesis that a combination of at least two SNPs (Lys751Gln_CC/Gly156Gly_CC or Lys751Gln_CC/Asp312Asn_AA) inherited as a haplotype was associated with disease. These two pairs of SNPs could therefore be regarded as a single hereditary unit that would have a very small probability of being disrupted by recombination. Additional studies are required to determine whether these particular changes can be associated with an increased risk of other malignancies at different sites of origin.
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Affiliation(s)
- T Debniak
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, Szczecin, Poland.
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42
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Costa S, Pinto D, Pereira D, Vasconcelos A, Afonso-Lopes C, Osório T, Lopes C, Medeiros R. Importance of xeroderma pigmentosum group D polymorphisms in susceptibility to ovarian cancer. Cancer Lett 2006; 246:324-30. [PMID: 16677755 DOI: 10.1016/j.canlet.2006.03.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2006] [Revised: 03/13/2006] [Accepted: 03/14/2006] [Indexed: 11/19/2022]
Abstract
The purpose of this study was to evaluate the role of XPD genotypes as genetic indicator of susceptibility to ovarian cancer. We have used a case-control study. We analysed DNA samples from 141 ovarian cancer patients and 202 control subjects, for three XPD polymorphisms using PCR-RFLP. We observed that Asn312Asn XPD genotype carriers have increased susceptibility of ovarian cancer (OR=2.46 95% CI 1.20-5.06; P=0.015). Furthermore, we found that carriers of Gln751Gln XPD genotype have an increased susceptibility of ovarian cancer (OR=3.40 95% CI 1.61-7.15; P=0.001). Asn312Asn and Gln751Gln are particularly associated with an early-stage of disease. Our results suggest an important role for Asn312Asn and Gln751Gln XPD polymorphisms in the susceptibility to ovarian cancer.
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Affiliation(s)
- Sandra Costa
- ICVS, Life and Health Sciences Research Institute, Health Science School, Minho University, Braga, Portugal.
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43
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Pedeux R, Sales F, Pourchet J, Kallassy M, Fayolle C, Boniol M, Severi G, Ghanem G, Nakazawa HN, Autier P, Doré JF. Ultraviolet B sensitivity of peripheral lymphocytes as an independent risk factor for cutaneous melanoma. Eur J Cancer 2006; 42:212-5. [PMID: 16337788 DOI: 10.1016/j.ejca.2005.09.021] [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] [Received: 06/14/2005] [Revised: 09/12/2005] [Accepted: 09/15/2005] [Indexed: 11/23/2022]
Abstract
Susceptibility to solar ultraviolet is an important melanoma risk factor. We investigated the relationship between individual susceptibility to ultraviolet and risk of melanoma by measuring the apoptosis triggered in peripheral lymphocytes by a low-dose ultraviolet B irradiation (50 J/m(2)) in young and older melanoma patients and controls. Melanoma patients below the age of 40 are more sensitive to UVB-induced apoptosis than older melanoma patients and healthy controls. Analysis of data (adjusted for age and phototype) shows that UVB-induced apoptosis is an important risk factor for melanoma (OR 9.1, 95% CI [3-28], P=0.0001). UVB-induced apoptosis is independent of phototype (P=0.11, Wald test) and tumour thickness (P=0.88, Spearman correlation, for all cases and 0.26 for patients younger than 40 years), and may be used as a functional laboratory test for studying the genetic-environment interactions involved in melanoma occurrence.
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Millikan RC, Hummer A, Begg C, Player J, de Cotret AR, Winkel S, Mohrenweiser H, Thomas N, Armstrong B, Kricker A, Marrett LD, Gruber SB, Culver HA, Zanetti R, Gallagher RP, Dwyer T, Rebbeck TR, Busam K, From L, Mujumdar U, Berwick M. Polymorphisms in nucleotide excision repair genes and risk of multiple primary melanoma: the Genes Environment and Melanoma Study. Carcinogenesis 2005; 27:610-8. [PMID: 16258177 DOI: 10.1093/carcin/bgi252] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Polymorphisms in six genes involved in nucleotide excision repair of DNA were examined in a large population-based case-control study of melanoma. Genotyping was conducted for 2485 patients with a single primary melanoma (controls) and 1238 patients with second or higher order primary melanomas (cases). Patients were ascertained from nine geographic regions in Australia, Canada, Italy and the United States. Positive associations were observed for XPD 312 Asn/Asn versus Asp/Asp [odds ratio (OR) = 1.5, 95% confidence interval (CI) 1.2-1.9] and XPD 751 Gln/Gln versus Lys/Lys (OR = 1.4, 95% CI 1.1-1.7) genotypes and melanoma. The combined XPD Asn (A) 312 + Gln (C) 751 haplotype was significantly more frequent in cases (32%) compared with controls (29%) (P = 0.003) and risk of melanoma increased significantly with one and two copies of the haplotype (ORs 1.2, 95% CI 1.0-1.4, and 1.6, 95% CI 1.2-2.0, trend P = 0.002). No significant associations were observed for HR23B codon 249, XPG codon 1104, XPC codon 939, XPF codon 415, XPF nt 2063, ERCC6 codon 1213 or ERCC6 codon 1230. ORs for XPD and XPC genotypes were stronger for melanoma diagnosed at an early age, but tests for interaction were not statistically significant. The results provide further evidence for a role of XPD in the etiology of melanoma.
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Affiliation(s)
- Robert C Millikan
- Department of Epidemiology, CB #7435, School of Public Health, University of North Carolina, Chapel Hill, NC 27599, USA.
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Landi MT, Kanetsky PA, Tsang S, Gold B, Munroe D, Rebbeck T, Swoyer J, Ter-Minassian M, Hedayati M, Grossman L, Goldstein AM, Calista D, Pfeiffer RM. MC1R, ASIP, and DNA Repair in Sporadic and Familial Melanoma in a Mediterranean Population. ACTA ACUST UNITED AC 2005; 97:998-1007. [PMID: 15998953 DOI: 10.1093/jnci/dji176] [Citation(s) in RCA: 138] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
BACKGROUND Melanoma risk factors include fair pigmentation, multiple nevi, low DNA repair capacity, and CDKN2A or CDK4 mutations. Variants of the melanocortin-1 receptor (MC1R) gene have been associated with fair pigmentation and melanoma risk, and a polymorphism of the Agouti Signaling Protein (ASIP) gene has been associated with dark pigmentation. We examined MC1R and ASIP genotypes in relation to phenotypic characteristics, sporadic and familial melanoma risk, and melanoma thickness as an indicator of disease progression in a Mediterranean population. METHODS We studied 267 melanoma patients and 382 control subjects from a case-control study and a family study in northeastern Italy. Host factors were assessed by physical examination, questionnaire, spectrophotometer, and minimal erythema dose measurement. MC1R was sequenced, ASIP was genotyped, and DNA repair capacity was measured by the host-cell reactivation assay. Odds ratios (ORs) and 95% confidence intervals (CIs) were estimated by logistic regression models. Effect modification of the association between MC1R and melanoma risk by phenotypic characteristics and DNA repair capacity was also assessed. All statistical tests were two-sided. RESULTS Carrying MC1R variant alleles was associated with a two- to fourfold increase in risk of both sporadic and familial melanoma compared with carrying wild-type MC1R, particularly in individuals carrying multiple variant alleles (OR = 3.9; 95% CI = 3.3 to 4.6). This association was stronger in individuals with fewer additional risk factors (those with dark skin or few nevi). MC1R variant allele carriers were also three to four times more likely than were non-carriers to have thick melanomas. The ASIP polymorphism was not associated with pigmentation, nevi, or melanoma risk. CONCLUSIONS MC1R was associated with melanoma risk and progression in a Mediterranean population, particularly in the absence of other strong risk factors, such as freckling or many nevi.
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Affiliation(s)
- Maria Teresa Landi
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, DHHS, Bethesda, MD 20892-7236, USA.
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Lockett KL, Snowhite IV, Hu JJ. Nucleotide-excision repair and prostate cancer risk. Cancer Lett 2005; 220:125-35. [PMID: 15766587 DOI: 10.1016/j.canlet.2004.08.019] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2004] [Accepted: 08/24/2004] [Indexed: 10/26/2022]
Abstract
Prostate cancer (CaP) is the most commonly diagnosed nonskin cancer and the second leading cause of cancer death in American men. Its etiology is not fully understood. Ethnicity/race and family history are associated with it, and incidence increases with age. As with other solid tumors, accumulation of mutations and decline in DNA repair during aging may lead to CaP. However, we believe that conducting a large population screening for every cancer susceptibility gene (e.g. DNA repair) is only meaningful, if we can predict to what extent genetic variants contribute to DNA-repair functional phenotype and CaP risk. This review focuses on the association between CaP and nucleotide excision repair (NER), because some of the DNA adducts generated by CaP-related carcinogens are removed by the NER pathway, and our previous data showed a significant association between lower NER capacity (NERC) and CaP risk. Many laboratories, including ours, have employed a variety of approaches to evaluate the functional significance of DNA-repair single-nucleotide polymorphisms (SNPs) in human cancer risk assessment. Genetic profiling and computational modeling that can predict NERC may have great potential for CaP-risk assessment, because the current NERC assay is quite labor intensive, costly, and therefore not suitable for population-based screening.
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Affiliation(s)
- Kristin L Lockett
- Department of Cancer Biology, Comprehensive Cancer Center, Wake Forest University School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157, USA
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Blankenburg S, König IR, Moessner R, Laspe P, Thoms KM, Krueger U, Khan SG, Westphal G, Berking C, Volkenandt M, Reich K, Neumann C, Ziegler A, Kraemer KH, Emmert S. Assessment of 3 xeroderma pigmentosum group C gene polymorphisms and risk of cutaneous melanoma: a case-control study. Carcinogenesis 2005; 26:1085-90. [PMID: 15731165 DOI: 10.1093/carcin/bgi055] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Individuals with the rare DNA repair deficiency syndrome xeroderma pigmentosum (XP) are sensitive to the sun and exhibit a 1000-fold increased risk for developing skin cancers, including cutaneous melanoma. Inherited polymorphisms of XP genes may contribute to subtle variations in DNA repair capacity and genetic susceptibility to melanoma. We investigated the role of three polymorphic alleles of the DNA repair gene XPC in a hospital-based case-control study of 294 Caucasian patients from Germany who had cutaneous melanoma and 375 healthy cancer-free sex-matched Caucasian control subjects from the same area. We confirmed that the XPC intron 9 PAT+, intron 11 -6A, and the exon 15 2920C polymorphisms are in a linkage disequilibrium. Only 1.6% of the 669 donors genotyped were discordant for these three polymorphisms. The allele frequencies (cases: controls) were for intron 9 PAT+ 41.7%:36.9%, for intron 11 -6A 41.8%:37.0% and for exon 15 2920C 41.3%:37.3%. Using multivariate logistic regression analyses to control for age, skin type and number of nevi, the three polymorphisms were significantly associated with increased risks of melanoma: OR 1.87 (95% CI: 1.10-3.19; P = 0.022), OR 1.83 (95% CI: 1.07-3.11; P = 0.026), and OR 1.82 (95% CI: 1.07-3.08; P = 0.026), respectively. Exploratory multivariate analyses of distinct subgroups revealed that these polymorphisms were associated with increased risks for the development of multiple primary melanomas (n = 28). The results of our case-control study support the hypothesis that the intron 9 PAT+, intron 11 -6A and exon 15 2920C haplotype may contribute to the risk of developing cutaneous melanoma by increasing the rate of an alternatively spliced XPC mRNA isoform that skips exon 12 and leads to reduced DNA repair. Our results should be validated in independent samples in order to guard against false positive findings.
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Abstract
Abstract
The population frequencies of the CDKN2A variants remain undetermined. In Poland there are three common variants of CDKN2A: an alanine to threonine substitution (A148T), Nt500c>g and Nt540c>t, which have been detected in other populations. To establish if they are associated with an increased malignant melanoma (MM) risk we did an association study based on genotyping 471 patients with MM and 1,210 random control subjects from the same Polish population. We found a significantly increased frequency of the A148T variant among patients with MM (7.0%) in comparison with the general population (2.9%). The incidence of the A148T variant remained greater in both unselected and familial melanoma subgroups. A statistically significant positive association was seen for unselected MM (odds ratio, 2.529; P = 0.0003), especially in patients diagnosed under 50 years of age (odds ratio, 3.4; P = 0.0002). The A148T carrier population (heterozygous G/A alleles) was more likely to have a relative with malignancy compared with the noncarrier population (57% versus 36%, respectively; P = 0.03). Further examination of the CDKN2A promoter sequence done in 20 melanoma patients with the A148T change (heterozygous G/A alleles) and 20 patients with MM without this alteration identified it was in linkage disequilibrium with a polymorphism in the promoter region at position P-493. We found no statistically significant overrepresentation of the Nt500c>g and the Nt540c>t polymorphisms in the Polish melanoma population. In conclusion, the A148T variant of the CDKN2A gene seems to be associated with an increased risk of development of MM. Additional studies are required to confirm whether this particular change is associated with increased risk of other nonmelanoma malignancies.
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Vogel U, Olsen A, Wallin H, Overvad K, Tjønneland A, Nexø BA. Effect of polymorphisms in XPD, RAI, ASE-1 and ERCC1 on the risk of basal cell carcinoma among Caucasians after age 50. ACTA ACUST UNITED AC 2005; 29:209-14. [PMID: 15936590 DOI: 10.1016/j.cdp.2005.01.001] [Citation(s) in RCA: 280] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2005] [Accepted: 01/12/2005] [Indexed: 11/26/2022]
Abstract
We have investigated the occurrence of basal cell carcinoma (BCC) in relation to a number of single nucleotide polymorphisms (SNPs) in the chromosomal region 19q13.2-3. A case-control study including 322 basal cell carcinoma cases and a similar number of controls was nested in a population-based prospective investigation encompassing 57,053 Danes (aged 50-64 at inclusion) living in Copenhagen or Aarhus in Denmark. We found that the polymorphism XPD Arg156Arg was associated with risk of basal cell carcinoma (rate ratio (RR)=1.59, 95% confidence interval (CI)=1.02-2.50 for homozygous carriers of the A-allele), and that the association was strongest in the youngest age interval of the study group (50-55 years) (RR=2.33, 95% CI=1.03-5.28). The polymorphisms XPD Asp312Asn and XPD Lys751Gln were not associated with risk of basal cell carcinoma. While it cannot be ruled out that the present findings are due to chance, the present results are consistent with previous findings that XPD Arg156Arg is a weak risk factor for basal cell carcinoma.
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Affiliation(s)
- Ulla Vogel
- National Institute of Occupational Health, DK-2100 Copenhagen O, Denmark
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Sarkar-Agrawal P, Vergilis I, Sharpless NE, DePinho RA, Rünger TM. Impaired processing of DNA photoproducts and ultraviolet hypermutability with loss of p16INK4a or p19ARF. J Natl Cancer Inst 2004; 96:1790-3. [PMID: 15572761 DOI: 10.1093/jnci/djh307] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Reduced DNA repair has been linked to an increased risk of cutaneous malignant melanoma, but insights into the molecular mechanisms of that link are scarce. The INK4a/ARF (CDKN2a) locus, which codes for the p16(INK4a) and p19ARF proteins, is often mutated in sporadic and familial malignant melanoma, but it has not been directly associated with reduced DNA repair. We transfected unirradiated mouse fibroblast cells with UV-treated DNA to measure DNA repair in normal, p16INK4a mutant, p19ARF mutant, or double mutant mouse host cells. Loss of either p16(INK4a) or p19ARF reduced the ability of the cells to process UV-induced DNA damage, independent of cell cycle effects incurred by the loss. These results may further explain why INK4a/ARF mutations predispose to malignant melanoma, a UV-induced tumor.
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Affiliation(s)
- Papri Sarkar-Agrawal
- Department of Dermatology, Boston University School of Medicine, Boston, MA 02118, USA
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