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Xie Z, Xiang H, Li J, Zhang X, Li W, Tan G. SNHG20 promotes the development of laryngeal squamous cell carcinoma via miR-342-3p/MTDH axis. Heliyon 2022; 8:e10085. [PMID: 36033309 PMCID: PMC9399968 DOI: 10.1016/j.heliyon.2022.e10085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/20/2022] [Accepted: 07/21/2022] [Indexed: 11/16/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) are important players in laryngeal squamous cell carcinoma (LSCC). However, the function of the long noncoding RNA small nucleolar RNA host gene 20 (SNHG20) in LSCC is hardly known. We therefore analyzed the role of this lncRNA in LSCC. Our data showed that SNHG20 was significantly overexpressed in LSCC cell lines and human LSCC tissue. SNHG20 significantly promoted cell proliferation, migration and invasion of LSCC cells. The actions of SNHG20 are likely mediated by miR-342-3p expression, which results in increased expression of MTDH. Finally, the results of in vivo models confirmed that SNHG20 promotes LSCC progression through modulating miR-342-3p and MTDH expression. Taken together, our study demonstrates that SNHG20/miR-342-3p/MTDH axis participates in LSCC progression.
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Affiliation(s)
- Zuozhong Xie
- Department of Otolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China.,Department of Otolaryngology Head and Neck Surgery, The Third Xiangya Hospital, Central South University, Changsha City, Hunan Province, 410013, China
| | - Hong Xiang
- Center for Experimental Medical Research, The Third Xiangya Hospital, Central South University, Changsha City, Hunan Province, 410013, China
| | - Jingkun Li
- Department of Otolaryngology Head and Neck Surgery, The Second Xiangya Hospital, Central South University, Changsha City, Hunan Province, 410013, China
| | - Xiaowei Zhang
- Department of Otolaryngology Head and Neck Surgery, The Third Xiangya Hospital, Central South University, Changsha City, Hunan Province, 410013, China
| | - Wei Li
- Department of Otolaryngology Head and Neck Surgery, The Third Xiangya Hospital, Central South University, Changsha City, Hunan Province, 410013, China
| | - Guolin Tan
- Department of Otolaryngology Head and Neck Surgery, The Third Xiangya Hospital, Central South University, Changsha City, Hunan Province, 410013, China
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Zhu M, Zhang C, Zhou P, Chen S, Zheng H. LncRNA CASC15 upregulates cyclin D1 by downregulating miR-365 in laryngeal squamous cell carcinoma to promote cell proliferation. J Otolaryngol Head Neck Surg 2022; 51:8. [PMID: 35216636 PMCID: PMC8881844 DOI: 10.1186/s40463-022-00560-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 01/31/2022] [Indexed: 12/13/2022] Open
Abstract
Background This study investigated the role of lncRNA CASC15 in laryngeal squamous cell carcinoma (LSCC). Methods This study included 58 LSCC patients. Both tumor (LSCC) and adjacent (within 3 cm around tumors) non-tumor tissues from 3 different sites of each patient were collected. CCK-8 assay was used to determine cell proliferation. The expression levels of proteins and mRNAs were determined by Western blotting analysis and qRT-PCRs, respectively. Results CASC15 was upregulated in LSCC and high expression levels of CASC15 predicted poor survival. In LSCC tissues, CASC15 was negatively correlated with miR-365 but positively correlated with cyclin D1. In LSCC cells, overexpression of CASC15 resulted in downregulation of miR-365 and upregulation of cyclin D1. Overexpression of miR-365 did not affect the expression of CASC15 but downregulated cyclin D1. Overexpression of Cyclin D1 did not affect the expression of miR-365 and CASC15. Overexpression of CASC15 and cyclin D1 led to promoted, while overexpression of miR-365 led to inhibited LSCC cell proliferation. In addition, overexpression of miR-365 reduced the effects of overexpression of CASC15. Conclusion Therefore, CASC15 upregulates cyclin D1 by downregulating miR-365 in LSCC to promote cell proliferation.
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Affiliation(s)
- Minhui Zhu
- Department of Otorhinolaryngology Head and Neck Surgery, Changhai Hospital, Navy Military Medical University, No. 168 Changhai Road, Shanghai, 200433, People's Republic of China
| | - Caiyun Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Changhai Hospital, Navy Military Medical University, No. 168 Changhai Road, Shanghai, 200433, People's Republic of China
| | - Peng Zhou
- Department of Otorhinolaryngology Head and Neck Surgery, Changhai Hospital, Navy Military Medical University, No. 168 Changhai Road, Shanghai, 200433, People's Republic of China
| | - Shicai Chen
- Department of Otorhinolaryngology Head and Neck Surgery, Changhai Hospital, Navy Military Medical University, No. 168 Changhai Road, Shanghai, 200433, People's Republic of China.
| | - Hongliang Zheng
- Department of Otorhinolaryngology Head and Neck Surgery, Changhai Hospital, Navy Military Medical University, No. 168 Changhai Road, Shanghai, 200433, People's Republic of China.
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Mohammadi H, Momeni Roochi M, Rezaei F, Garajei A, Heidar H, Ghaderi B, Sadeghi M. Association between the CYP1A1 MspI polymorphism and risk of head and neck cancer: a meta-analysis. Sci Rep 2022; 12:1527. [PMID: 35087125 PMCID: PMC8795428 DOI: 10.1038/s41598-022-05274-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 01/10/2022] [Indexed: 12/24/2022] Open
Abstract
The studies recommended the relationship between lots of polymorphisms with the head and neck cancers (HNCs) risk. Herein, we reported the association between the CYP1A1 MspI polymorphism and the risk of HNC in an updated meta-analysis. The PubMed/MEDLINE, Web of Science, Cochrane Library, and Scopus databases were searched until March 31, 2021, without any restrictions. Odds ratios (ORs) and 95% confidence intervals (CIs) were applied to assess a relationship between CYP1A1 MspI polymorphism and the HNC risk based on five applied genetic models by RevMan 5.3 software. Other analyses (sensitivity analysis, meta-regression, and bias analysis) were performed by CMA 2.0 software. Trial sequential analysis (TSA) was done by TSA software (version 0.9.5.10 beta). Among the databases and other sources, 501 recorded were identified that at last, 29 studies were obtained for the analysis. The pooled ORs were 1.28 (95%CI 1.09, 1.51; P = 0.003), 1.68 (95%CI 1.16, 2.45; P = 0.007), 1.24 (95%CI 1.03, 1.50; P = 0.02), 1.26 (95%CI 1.07, 1.48; P = 0.005), and 1.66 (95%CI 1.27, 2.16; P = 0.0002) for allelic, homozygous, heterozygous, recessive, and dominant models, respectively. Therefore, the m2 allele and m1/m2 and m2/m2 genotypes had significantly increased risks in HNC patients. With regards to stable results and enough samples, the findings of the present meta-analysis recommended that there was an association between CYP1A1 MspI polymorphism and the HNC risk.
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Affiliation(s)
- Hady Mohammadi
- Department of Oral and Maxillofacial Surgery, Fellowship in Maxillofacial Trauma, Health Services, Kurdistan University of Medical Sciences, Sanandaj, 6617713446, Iran
| | - Mehrnoush Momeni Roochi
- Department of Oral and Maxillofacial Surgery, Fellowship in Maxillofacial Trauma, School of Dentistry, Tehran University of Medical Sciences, Tehran, 1439955991, Iran
| | - Farzad Rezaei
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, 6713954658, Iran
| | - Ata Garajei
- Department of Head and Neck Surgical Oncology and Reconstructive Surgery, The Cancer Institute, Scholl of Medicine, Tehran University of Medical Sciences, Tehran, 1439955991, Iran
| | - Hosein Heidar
- Department of Oral and Maxillofacial Surgery, Fellowship in Maxillofacial Trauma, School of Dentistry, Tehran University of Medical Sciences, Tehran, 1439955991, Iran
| | - Bayazid Ghaderi
- Department of Internal Medicine, Cancer and Immunology Research Center, School of Medicine, Kurdistan University of Medical Sciences, Sanandaj, 6617913446, Iran
| | - Masoud Sadeghi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, 1477893855, Iran.
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Ramezani M, Sadeghi M, Zavattaro E, Mozaffari HR. Association between CYP1A1 Ile462Val (m2, A2455G, rs1048943) polymorphism and head and neck cancer susceptibility: A meta-analysis, meta-regression, and trial sequential analysis. GENE REPORTS 2021. [DOI: 10.1016/j.genrep.2021.101380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Zhang H, Li H, Yu H. Analysis of the role of rs2031920 and rs3813867 polymorphisms within the cytochrome P450 2E1 gene in the risk of squamous cell carcinoma. Cancer Cell Int 2018; 18:67. [PMID: 29743817 PMCID: PMC5930765 DOI: 10.1186/s12935-018-0561-8] [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: 03/14/2018] [Accepted: 04/19/2018] [Indexed: 11/12/2022] Open
Abstract
Background To explore the genetic effect of rs2031920 and rs3813867 polymorphisms within the cytochrome P450 2E1 (CYP2E1) gene on the risk of squamous cell carcinoma (SCC), a meta-analysis was performed. Methods The eligible case–control studies were obtained by database searching and screening, and the specific statistical analysis was performed with STATA 12.0 software. Results After the process of database searching and screening, a total of 32 case–control studies with 7435 cases and 10,466 controls were ultimately included in our meta-analysis. With regard to the rs2031920 C/T polymorphism, in comparison to controls, a reduced risk in cases of esophageal squamous cell carcinoma (ESCC) was detected for the models of allele T vs. allele C [P = 0.025, odds ratio (OR) = 0.67], carrier T vs. carrier C (P = 0.014, OR = 0.70), TT vs. CC (P = 0.029, OR = 0.65), CT vs. CC (P = 0.040, OR = 0.56), CT + TT vs. CC (P = 0.035, OR = 0.58). Similarly, a decreased SCC risk was observed for the rs3813867 G/C polymorphism in the allele, carrier, homozygote, dominant, and recessive models of overall SCC meta-analysis and “ESCC” subgroup analysis (all P < 0.05, OR < 1) and in all genetic models of “Asian” and “population-based control (PB)” subgroup analysis (all P < 0.05, OR < 1). Additionally, for the rs2031920/rs3813867 haplotype, a decreased SCC risk was also detected in the overall SCC meta-analysis under the allele, carrier, homozygote and dominant model (all P < 0.05, OR < 1) and the subgroup analysis of “PB” under the allele, carrier, and dominant models (all P < 0.05, OR < 1). Conclusions Our meta-analysis supports the “T” allele carrier of the CYP2E1 rs2031920 C/T polymorphism and “C” allele carrier of the rs3813867 G/C polymorphism as protective factors for ESCC patients, especially in Asian populations.
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Affiliation(s)
- Hai Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Tianjin Huanhu Hospital, No 6, Ji Zhao Road, Jinnan District, Tianjin, 300060 People's Republic of China
| | - Haiyan Li
- Department of Otorhinolaryngology Head and Neck Surgery, Tianjin Huanhu Hospital, No 6, Ji Zhao Road, Jinnan District, Tianjin, 300060 People's Republic of China
| | - Huanxin Yu
- Department of Otorhinolaryngology Head and Neck Surgery, Tianjin Huanhu Hospital, No 6, Ji Zhao Road, Jinnan District, Tianjin, 300060 People's Republic of China
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Zhuo X, Song J, Liao J, Zhou W, Ye H, Li Q, Xiang Z, Zhang X. Does CYP2E1 RsaI/PstI polymorphism confer head and neck carcinoma susceptibility?: A meta-analysis based on 43 studies. Medicine (Baltimore) 2016; 95:e5156. [PMID: 27787372 PMCID: PMC5089101 DOI: 10.1097/md.0000000000005156] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Previous reports showed that CYP2E1 RsaI/PstI polymorphism may be a risk factor for cancers. Published meta-analyses in 2010 and 2011, respectively, on the relationship of CYP2E1 RsaI/PstI polymorphisms with the susceptibility to head and neck carcinoma (HNC) have generated inconsistent results. Thus, this study aimed to conduct an updated meta-analysis involving published studies up to Nov 2015 to get a more confidential result. METHODS Eligible studies up to Nov 2015 were retrieved and screened. Data were extracted and a quantitative meta-analysis was conducted. Subgroup analyses on ethnicity, source of controls, sample size, genotyping method, smoking status, and drinking status were also performed. RESULTS Forty-one publications including a total of 43 case-control studies were selected for analysis. The overall data under a homozygote comparison model indicated a significant association of CYP2E1 RsaI/PstI polymorphisms with HNC risk (c2c2 vs c1c1: odds ratio [OR] = 1.97; 95% confidence interval [CI] = 1.53-2.53). Similar results were observed in the Asian subgroup (c2c2 vs c1c1: OR = 1.98; 95%CI = 1.51-2.60; c2 vs c1: OR = 1.20; 95%CI = 1.03-1.39) and mixed population (c2 vs c1: OR = 1.41; 95%CI = 1.06-1.86) when the data were stratified by ethnicities. Interestingly, increased cancer risk only was shown among never-smokers (c2c2+c1c2 vs c1c1: OR = 1.44; 95%CI = 1.05-1.98) but not ever-smokers. CONCLUSION CYP2E1 RsaI/PstI polymorphisms may modify the susceptibility to HNC, particularly among Asians, mixed population, and never-smokers. Future large and well-designed studies are needed to verify this conclusion.
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Affiliation(s)
- Xianlu Zhuo
- Department of Otolaryngology, Southwest Hospital, Third Military Medical University, Chongqing
- Affiliated Hospital of Guiyang Medical University, Guiyang
- Post-doctoral Scientific Research Station, Chongqing Cancer Institute, Chongqing, China
- Correspondence: Xianlu Zhuo and Xueyuan Zhang, Department of Otolaryngology, Southwest Hospital, Third Military Medical University, Chongqing, China (e-mails: [Xianlu Zhuo]; [Xueyuan Zhang])
| | - Jue Song
- Affiliated Hospital of Guiyang Medical University, Guiyang
| | - Jian Liao
- Affiliated Hospital of Guiyang Medical University, Guiyang
| | - Wei Zhou
- Post-doctoral Scientific Research Station, Chongqing Cancer Institute, Chongqing, China
| | - Huiping Ye
- Affiliated Hospital of Guiyang Medical University, Guiyang
| | - Qi Li
- Department of Otolaryngology, Southwest Hospital, Third Military Medical University, Chongqing
| | - Zhaolan Xiang
- Department of Otolaryngology, Southwest Hospital, Third Military Medical University, Chongqing
| | - Xueyuan Zhang
- Department of Otolaryngology, Southwest Hospital, Third Military Medical University, Chongqing
- Correspondence: Xianlu Zhuo and Xueyuan Zhang, Department of Otolaryngology, Southwest Hospital, Third Military Medical University, Chongqing, China (e-mails: [Xianlu Zhuo]; [Xueyuan Zhang])
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Singh SA, Choudhury JH, Kapfo W, Kundu S, Dhar B, Laskar S, Das R, Kumar M, Ghosh SK. Influence of the CYP1A1 T3801C Polymorphism on Tobacco and Alcohol-Associated Head and Neck Cancer Susceptibility in Northeast India. Asian Pac J Cancer Prev 2016; 16:6953-61. [PMID: 26514474 DOI: 10.7314/apjcp.2015.16.16.6953] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Tobacco and alcohol contain or may generate carcinogenic compounds related to cancers. CYP1A1 enzymes act upon these carcinogens before elimination from the body. The aim of this study was to investigate whether CYP1A1 T3801C polymorphism modulates the relationship between tobacco and alcohol- associated head and neck cancer (HNC) susceptibility among the northeast Indian population. MATERIALS AND METHODS One hundred and seventy histologically confirmed HNC cases and 230 controls were included within the study. The CYP1A1 T3801C polymorphism was determined using PCR-RFLP, and the results were confirmed by DNA sequencing. Logistic regression (LR) and multifactor dimensionality reduction (MDR) approaches were applied for statistical analysis. RESULTS The CYP1A1 CC genotype was significantly associated with HNC risk (P=0.045). A significantly increased risk of HNC (OR=6.09; P<0.0001) was observed in individuals with combined habits of smoking, alcohol drinking and tobacco-betel quid chewing. Further, gene-environment interactions revealed enhanced risks of HNC among smokers, alcohol drinkers and tobacco-betel quid chewers carrying CYP1A1 TC or CC genotypes. The highest risk of HNC was observed among smokers (OR=7.55; P=0.009) and chewers (OR=10.8; P<0.0001) carrying the CYP1A1 CC genotype. In MDR analysis, the best model for HNC risk was the three-factor model combination of smoking, tobacco-betel quid chewing and the CYP1A1 variant genotype (CVC=99/100; TBA=0.605; P<0.0001); whereas interaction entropy graphs showed synergistic interaction between tobacco habits and CYP1A1. CONCLUSIONS Our results confirm that the CYP1A1 T3801C polymorphism modifies the risk of HNC and further demonstrated importance of gene-environment interaction.
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Affiliation(s)
- Seram Anil Singh
- Molecular Medicine Laboratory, Department of Biotechnology, Assam University, Silchar, Assam, India E-mail :
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Wang Y, Yang H, Duan G, Wang H. The association of the CYP1A1 Ile462Val polymorphism with head and neck cancer risk: evidence based on a cumulative meta-analysis. Onco Targets Ther 2016; 9:2927-34. [PMID: 27274286 PMCID: PMC4876098 DOI: 10.2147/ott.s106264] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Objective The aim of this study was to address the association between the Ile462Val polymorphism in the gene encoding cytochrome P450 1A1 (CYP1A1) and the risk of head and neck cancer (HNC). Materials and methods The Medline/PubMed, EMBASE, and Web of Science databases were searched. The strength of the association was evaluated by calculating the odds ratio (OR) with a 95% confidence interval (CI). Results Overall, we observed an increased risk of HNC in patients with the Ile/Val+Val/Val genotype compared to those with the Ile/Ile genotype among the 6,367 cases and 6,395 controls evaluated in the 34 eligible studies, with a pooled OR of 1.284 (95% CI: 1.119–1.473). In addition, we observed an increased risk of HNC in patients with the Ile/Val+Val/Val genotype compared to those with the Ile/Ile genotype in the subgroup analyses (OR =1.362, 95% CI: 1.102–1.685 for laryngeal cancer; OR =1.519, 95% CI: 1.253–1.843 for pharyngeal cancer; OR =1.371, 95% CI: 1.111–1.693 for Asians; and OR =1.329, 95% CI: 1.138–1.551 for patients in studies using hospital-based controls). Conclusion This cumulative meta-analysis suggests that the CYP1A1 Ile462Val polymorphism might contribute to the risk of HNC, particularly for pharyngeal cancer and laryngeal cancer.
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Affiliation(s)
- Yadong Wang
- Department of Toxicology, Henan Center for Disease Control and Prevention, Zhengzhou, People's Republic of China; Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, Xinxiang Medical University, Xinxiang, People's Republic of China
| | - Haiyan Yang
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou, People's Republic of China
| | - Guangcai Duan
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, Xinxiang Medical University, Xinxiang, People's Republic of China
| | - Haiyu Wang
- Department of Toxicology, Henan Center for Disease Control and Prevention, Zhengzhou, People's Republic of China
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Clinical features and prognostic factors in patients with head and neck cancer: Results from a multicentric study. Cancer Epidemiol 2015; 39:367-74. [PMID: 25770642 DOI: 10.1016/j.canep.2015.02.004] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Revised: 02/12/2015] [Accepted: 02/18/2015] [Indexed: 01/15/2023]
Abstract
BACKGROUND The purpose of this study is to evaluate whether demographics, lifestyle habits, clinical data and alcohol dehydrogenase polymorphisms rs1229984 and rs1573496 associated with first primary head and neck (HNC) are associated with overall survival, recurrence, and second primary cancer (SPC). METHODS We conducted a follow-up study in five centres including 801 cases. Hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated for overall survival, recurrence and SPC. RESULTS Five-years overall survival was 62% for HNC cases, 55% for oral cavity, 53% for oropharynx, 41% for hypopharynx, and 71% for larynx. Predictors of survival were older ages (HR=1.18 for 5 years increase; CI: 1.07-1.30), higher tumour stage (HR=4.16; CI: 2.49-6.96), and high alcohol consumption (HR=3.93; CI: 1.79-8.63). A combined therapy (HR=3.29; CI: 1.18-9.13) was associated with a worst prognosis for oral cavity cancer. The only predictor was higher tumour stage (HR=2.25; CI: 1.26-4.03) for recurrence, and duration of smoking (HR=1.91; CI: 1.00-3.68) for SPC. ADH1B rs1229984 polymorphism HRs for HNC and oesophageal cancer death and for alcohol related cancer death were 0.67 (95% CI: 0.42-1.08), and 0.64 (95% CI: 0.40-1.03), respectively. CONCLUSIONS The survival expectation differs among HNC sites. Increasing age and stage, and high alcohol consumption were unfavourable predictors of HNC survival overall. Duration of tobacco consumption before the first primary tumour was a risk factor for SPC.
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Yu PJ, Chen WG, Feng QL, Chen W, Jiang MJ, Li ZQ. Association between CYP1B1 gene polymorphisms and risk factors and susceptibility to laryngeal cancer. Med Sci Monit 2015; 21:239-45. [PMID: 25619313 PMCID: PMC4307736 DOI: 10.12659/msm.893084] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background The aim of this study was to investigate the association between polymorphism of the cytochrome P450 1B1 (CYP1B1) gene, a metabolic enzyme gene, and the susceptibility to laryngeal cancer among the Chinese Han population. Material/Methods In a case-control study, we investigated polymorphisms in the CYP1B1 gene (rs10012, rs1056827, and rs1056836) with a real-time quantitative polymerase chain reaction (PCR) assay (TaqMan). The study was conducted with 300 Chinese Han patients with laryngeal cancer and 300 healthy Chinese Han subjects in a control group. We also studied the interactions between genetic polymorphism and risk factors such as smoking and alcohol consumption in the pathogenesis of laryngeal cancer. Results There were statistically significant differences in the distributions of the rs1056827 and rs1056836 genotypes between the 2 groups. Regarding rs1056827, carriers of the T allele had a significantly higher risk of laryngeal cancer than the G-allele carriers (OR=1.4339, 95% CI: 1.1268–1.8247; P=0.0034). The difference was still statistically significant after adjusting for factors such as age, sex, smoking, and drinking (adjusted OR=1.743, 95% CI: 1.124–3.743, P<0.001). However, regarding rs1056836, the G allele carriers had a significantly lower risk of laryngeal cancer than the C allele carriers (OR=0.5557, 95% CI: 0.3787–0.8154; P=0.0027). The difference was statistically significant even after adjusting for factors such as age, sex, smoking, and drinking (adjusted OR=0.5641, 95% CI: 0.3212–0.8121, P=0.001). Subjects who carry the C-T-C haplotype have a significantly increased incidence of laryngeal cancer. We also found that CYP1B1 rs1056827 polymorphism had synergistic effects with smoking or alcohol consumption regarding the risk of laryngeal cancer. Conclusions CYP1B1 gene polymorphism is closely related to the onset of laryngeal cancer. There is a mutually synergistic effect between smoking, alcohol consumption, and CYP1B1 gene polymorphisms regarding laryngeal cancer.
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Affiliation(s)
- Peng-Ju Yu
- Department of Otolaryngology, Jiangsu Province Academy of Traditional Chinese Medicine, Kunshan, Jiangsu, China (mainland)
| | - Wei-Guan Chen
- Operation Room, Jiangsu Province Academy of Traditional Chinese Medicine, Kunshan, Jiangsu, China (mainland)
| | - Quan-Lin Feng
- Department of Tumor Surgical, Jiangsu Province Academy of Traditional Chinese Medicine, Kunshan, Jiangsu, China (mainland)
| | - Wei Chen
- Department of Otolaryngology - Head and Neck Surgery, Jiangsu Province Academy of Traditional Chinese Medicine, Kunshan, Jiangsu, China (mainland)
| | - Man-Jie Jiang
- Department of Otolaryngology - Head and Neck Surgery, Jiangsu Province Academy of Traditional Chinese Medicine, Kunshan, Jiangsu, China (mainland)
| | - Ze-Qing Li
- Department of Otolaryngology - Head and Neck Surgery, China Jiangsu Province Traditional Chinese Medicine Hospital, Nanjing, Jiangsu, China (mainland)
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Abstract
Cytochrome 450 (CYP450) designates a group of enzymes abundant in smooth endoplasmic reticulum of hepatocytes and epithelial cells of small intestines. The main function of CYP450 is oxidative catalysis of various endogenous and exogenous substances. CYP450 are implicated in phase I metabolism of 80% of drugs currently in use, including anticancer drugs. They are also involved in synthesis of various hormones and influence hormone-related cancers. CYP450 genes are highly polymorphic and their variants play an important role in cancer risk and treatment. Association studies and meta-analyses have been performed to decipher the role of CYP450 polymorphisms in cancer susceptibility. Cancer treatment involves multimodal therapies and evaluation of CYP450 polymorphisms is necessary for pharmacogenetic assessment of anticancer therapy outcomes. In addition, CYP450 inhibitors are being evaluated for improved pharmacokinetics and oral formulation of several anticancer drugs.
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Association between the CYP1B1 polymorphisms and risk of cancer: a meta-analysis. Mol Genet Genomics 2014; 290:739-65. [DOI: 10.1007/s00438-014-0946-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 10/21/2014] [Indexed: 01/16/2023]
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Xu L, Yang M, Zhao T, Jin H, Xu Z, Li M, Chen H. The polymorphism of CYP2E1 Rsa I/Pst I gene and susceptibility to respiratory system cancer: a systematic review and meta-analysis of 34 studies. Medicine (Baltimore) 2014; 93:e178. [PMID: 25501063 PMCID: PMC4602815 DOI: 10.1097/md.0000000000000178] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
The purpose of this articles is to determine whether the cytochrome P450 2E1 (CYP2E1) Rsa I/Pst I gene polymorphism is correlated with respiratory system cancers. Respiratory system cancers included lung cancer, laryngeal cancer, nasopharyngeal cancer, and cancers of other respiratory organs, which are the most common malignant tumors worldwide; the significant relationship between CYP2E1 Rsa I/Pst I gene polymorphism and some respiratory system cancer have been reported, but results of some other studies are controversial. The pooled odds ratio (OR) with 95% confidence interval (CI) was calculated to assess the association. PubMed, EMBASE, Cochrane Library Databases, China National Knowledge Infrastructure, and Wanfang Database (up to July 20, 2014) were searched for all case-control studies those mainly studied the relationship between CYP2E1 Rsa I/Pst I gene polymorphism and the susceptibility of respiratory system cancer. A total of 332 articles were collected, among which 34 studies that involved 7028 cases and 9822 controls fulfilled the inclusion criteria after being assessed by 2 reviewers. When stratified by cancer site, the C2/C2 polymorphism could increase the risk of nasopharyngeal cancer under the homozygote model (C2C2 vs C1C1: OR = 1.85, 95% CI = 1.20-2.85, P = 0.005) and recessive model (C2C2 vs C1C2/C1C1: OR = 1.89, 95% CI = 1.23-2.89, P = 0.003). Protection effect was found in lung cancer in heterozygote model (C1C2 vs C1C1: OR = 0.82, 95% CI = 0.74-0.91, P < 0.001), dominant model (C1C2/C2C2 vs C1C1: OR = 0.83, 95% CI = 0.76-0.90, P < 0.001), and allele contrast model (C2 vs C1: OR = 0.85, 95% CI = 0.73-1.00, P = 0.045). With regard to ethnicity subgroup analysis, there was significant association in Asian population in heterozygote model (C1C2 vs C1C1: OR = 0.85, 95% CI = 0.78-0.94, P = 0.001), dominant model (C1C2/C2C2 vs C1C1: OR = 0.88, 95% CI = 0.81-0.95, P = 0.001), and recessive model (C2C2 vs C1C2/C1C1: OR = 1.25, 95% CI = 1.01-1.53, P = 0.036). CYP2E1 Rsa I/Pst I gene polymorphism may reduce the risk of respiratory system cancer. Furthermore, significant association was also found in Asian populations.
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Affiliation(s)
- Li Xu
- From the Department of Cardiothoracic Surgery (LX, TZ, HJ, ZX, HC) ; and Department of Orthopaedics (MY, ML), Changhai Hospital, Second Military Medical University, Shanghai, People's Republic of China
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Jin J, Lin F, Liao S, Bao Q, Ni L. Effects of SNPs (CYP1B1*2 G355T, CYP1B1*3 C4326G, and CYP2E1*5 G-1293C), smoking, and drinking on susceptibility to laryngeal cancer among Han Chinese. PLoS One 2014; 9:e106580. [PMID: 25299224 PMCID: PMC4191961 DOI: 10.1371/journal.pone.0106580] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 08/07/2014] [Indexed: 12/25/2022] Open
Abstract
Purpose This study was conducted to explore the effects of genetic polymorphisms (CYP1B1*2 G355T, CYP1B1*3 C4326G, and CYP2E1*5 G-1293C) and environmental factors (smoking and drinking) on susceptibility to laryngeal cancer in a Han Chinese study group. Methods This case-control study included 552 Han Chinese patients diagnosed with laryngeal cancer and 666 healthy control subjects of the same ethnicity, similar age, and gender. Genetic polymorphisms were examined using multi-PCR and Matrix Assisted Laser Desorption Ionization - Time of Flight (MALDI-TOF MS) methodology. The association of these genetic and environmental factors with susceptibility to laryngeal cancer was evaluated using a statistical approach. Results The frequencies of all three polymorphisms in the patient cohort were significantly different from those in the control cohort. Compared to the control cohort, carriers of variant alleles of CYP1B1*2 355T and CYP2E1*5 -1293C showed a higher risk for developing laryngeal cancer (for CYP1B1*2 355T, adjusted OR = 2.657, P <0.001; for CYP2E1*5 -1293C, adjusted OR = 1.938, P <0.001), while carriers of mutation allele CYP1B1*3 4326G showed a lower risk (adjusted OR = 0.562, P <0.001). Joint effects of these polymorphisms were observed. When compared to haplotype G355C4326G−1293, haplotypes T355C4326G−1293 (adjusted OR = 1.809, P <0.001), G355C4326C−1293 (adjusted OR = 1.644, P = 0.044), and T355C4326C−1293 (adjusted OR = 3.104, P <0.001) were associated with a significantly higher laryngeal cancer risk. The adjusted ORs for non-smokers, non-drinkers, smokers, and drinkers with the GT/TT genotype at CYP1B1*2 G355T were 2.190 (P = 0.006), 2.008 (P = 0.001), 5.875 (P <0.001), and 4.518 (P <0.001), respectively. Conclusions CYP1B1*2 355T and CYP2E1*5 -1293C are associated with an increased laryngeal cancer risk, while CYP1B1*3 4326G is associated with a decreased risk. These polymorphisms showed joint effects on laryngeal cancer risk. Smoking and drinking showed collaborative effects with two high risk alleles (CYP1B1*2 355T and CYP1B1*3 4326G) for promoting laryngeal cancer risk.
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Affiliation(s)
- Jianhua Jin
- School of Basic Medicine, Wenzhou Medical University, Wenzhou, China
| | - Faming Lin
- The Second Affiliated Hospital of Wenzhou medical University, Wenzhou, China
| | - Shiyu Liao
- The Second Affiliated Hospital of Wenzhou medical University, Wenzhou, China
| | - Qiyu Bao
- Institute of Biomedical Informatics/Zhejiang Provincial Key Laboratory of Medical Genetics, School of Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Liyan Ni
- The Second Affiliated Hospital of Wenzhou medical University, Wenzhou, China
- * E-mail:
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Khlifi R, Ben Salah G, Chakroun A, Hamza-Chaffai A, Rebai A. Inter-ethnic differences in genetic polymorphisms of xenobiotic-metabolizing enzymes (CYP1A1, CYP2D6, NAT1 and NAT2) in healthy populations: correlation with the functional in silico prediction. Mol Biol Rep 2014; 41:5735-43. [PMID: 24934312 DOI: 10.1007/s11033-014-3445-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Accepted: 06/03/2014] [Indexed: 10/25/2022]
Abstract
Several studies have shown that many polymorphisms of the xenobiotic-metabolizing enzymes (XME) affect either enzymatic functions or are associated with various aspects of human health. Owing to the presence of these single nucleotide variants (SNVs), differences in detoxification capacity have been observed between many ethnicities. The aim of this investigation was to study the prevalence of four polymorphisms in XME among various ethnic groups. Attention was focused on polymorphisms of CYP2D6 (rs1058172, G>A, p.Arg365His), CYP1A1 (rs4646421, c.-26-728C>T), NAT1 (rs4921880, c.-85-1014T>A) and NAT2 (rs1208, A>G, p.Arg268Lys). These polymorphisms were analyzed in 261 healthy Tunisians individuals in comparison with different ethnic backgrounds from hapmap database. In addition, in silico functional prediction was also performed to determine the loss of function variants. Our results demonstrated that population's origins widely affect the genetic variability of XME enzymes and Tunisians show a characteristic pattern. In silico predictions showed a deleterious effect for p.Arg268Lys substitution on CYP2D6 function, findings confirmed its key role played in cancer susceptibility. These data show that detoxification genes structures depend on the studied population. This suggests that ethnic differences impact on disease risk or response to drugs and therefore should be taken into consideration in genetic association studies focusing on XME enzymes. Our results provide the first report on these SNV in Tunisian population and could be useful for further epidemiological investigations including targeted therapy.
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Affiliation(s)
- Rim Khlifi
- Unit of Marine and Environmental Toxicology, UR 09-03, IPEIS, Sfax University, BP 1172, 3018, Sfax, Tunisia,
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Genetic variations and head and neck cancer risks. Mol Biol Rep 2014; 41:2667-70. [DOI: 10.1007/s11033-014-3125-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2013] [Accepted: 01/11/2014] [Indexed: 10/25/2022]
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Khlifi R, Chakroun A, Hamza-Chaffai A, Rebai A. Association of CYP1A1 and CYP2D6 gene polymorphisms with head and neck cancer in Tunisian patients. Mol Biol Rep 2014; 41:2591-600. [PMID: 24449363 DOI: 10.1007/s11033-014-3117-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2013] [Accepted: 01/10/2014] [Indexed: 11/28/2022]
Abstract
The purpose of this study was to investigate the relationship between head and neck cancer (HNC) and environmental agents and polymorphisms in CYP1A1, CYP2D6, NAT1 and NAT2 metabolic enzymes genes. To the best of our knowledge, this is the first report on polymorphisms in CYP1A1 6310C>T, CYP2D6 Arg365His, NAT1 52936A>T and NAT2 Arg268Lys (NAT2*12A) genes and susceptibility to HNC in Tunisian population. We study the prevalence of these polymorphisms in 169 patients with HNC and 261 control subjects using polymerase chain reaction based methods in a Tunisian population. We detected an association between HNC and CYP1A1 6310C>T (TT) and CYP2D6 Arg365His (His/His) variant carriers (OR 1.75, P = 0.008 and OR 1.66, P = 0.016, respectively). No association was found between the polymorphisms genotypes of NAT1 52936T>A and NAT2 Arg268Lys and risk of HNC. An association between HNC and CYP1A1 (TT) genotype was found among patients with smoking (P = 0.011) and drinking habit (P = 0.009). The combinations of NAT1 (AT or AA) and NAT2 (AA) at-risk genotypes increased HNC risk (OR 4.23, P = 0.005 and OR 3.60, P = 0.048, respectively). However, the combinations of CYP1A1 (AA) and CYP2D6 (CC) genotypes decreased risk of HNC (OR 0.20; P = 0.006). Genetic polymorphisms in CYP1A1 and CYP2D6 may significantly associate with HNC in the Tunisian population. The results of this study suggest a possible gene-environment interaction for certain carcinogen metabolizing enzymes, but larger studies that fully evaluate the interaction are needed.
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Affiliation(s)
- Rim Khlifi
- Unit of Marine and Environmental Toxicology, UR 09-03, IPEIS, Sfax University, BP 1172, 3018, Sfax, Tunisia,
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18
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Association between the CYP1A1 T3801C polymorphism and risk of cancer: Evidence from 268 case–control studies. Gene 2014. [DOI: 10.1016/j.gene.2013.10.025] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Quantitative assessment of the influence of CYP1B1 polymorphisms and head and neck squamous cell carcinoma risk. Tumour Biol 2013; 35:3891-7. [DOI: 10.1007/s13277-013-1516-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Accepted: 12/04/2013] [Indexed: 10/25/2022] Open
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Khlifi R, Messaoud O, Rebai A, Hamza-Chaffai A. Polymorphisms in the human cytochrome P450 and arylamine N-acetyltransferase: susceptibility to head and neck cancers. BIOMED RESEARCH INTERNATIONAL 2013; 2013:582768. [PMID: 24151610 PMCID: PMC3787584 DOI: 10.1155/2013/582768] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Revised: 06/25/2013] [Accepted: 07/24/2013] [Indexed: 12/12/2022]
Abstract
The occurrence of head and neck cancer (HNC) is associated with smoking and alcohol drinking. Tobacco smoking exposes smokers to a series of carcinogenic chemicals. Cytochrome P450 enzymes (CYP450s), such as CYP1A1, CYP1B1, and CYP2D6, usually metabolize carcinogens to their inactive derivatives, but they occasionally convert the chemicals to more potent carcinogens. In addition, via CYP450 (CYP2E1) oxidase, alcohol is metabolized to acetaldehyde, a highly toxic compound, which plays an important role in carcinogenesis. Furthermore, two N-acetyltransferase isozymes (NATs), NAT1 and NAT2, are polymorphic and catalyze both N-acetylation and O-acetylation of aromatic and heterocyclic amine carcinogens. Genetic polymorphisms are associated with a number of enzymes involved in the metabolism of carcinogens important in the induction of HNC. It has been suggested that such polymorphisms may be linked to cancer susceptibility. In this paper, we select four cytochrome P450 enzymes (CYP1A1, CYP1BA1, CYP2D6, and CYP2E1), and two N-acetyltransferase isozymes (NAT1 and NAT2) in order to summarize and analyze findings from the literature related to HNC risk by focusing on (i) the interaction between these genes and the environment, (ii) the impact of genetic defect on protein activity and/or expression, and (iii) the eventual involvement of race in such associations.
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Affiliation(s)
- Rim Khlifi
- Research Unit on Toxicology and Environment, Sfax University, 3018 Sfax, Tunisia
- Bioinformatics Unit, Centre of Biotechnology of Sfax, Sfax University, 3018 Sfax, Tunisia
| | - Olfa Messaoud
- Biomedical Genomics and Oncogenetics Laboratory LR11IPT05, University of Tunis El Manar, 1002 Tunis, Tunisia
| | - Ahmed Rebai
- Bioinformatics Unit, Centre of Biotechnology of Sfax, Sfax University, 3018 Sfax, Tunisia
| | - Amel Hamza-Chaffai
- Research Unit on Toxicology and Environment, Sfax University, 3018 Sfax, Tunisia
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Masood N, Yasmin A, Kayani MA. Genetic Deletions of GSTM1 and GSTT1 in Head and Neck Cancer: Review of the Literature from 2000 to 2012. Asian Pac J Cancer Prev 2013; 14:3535-9. [DOI: 10.7314/apjcp.2013.14.6.3535] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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22
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Hakenewerth AM, Millikan RC, Rusyn I, Herring AH, Weissler MC, Funkhouser WK, North KE, Barnholtz-Sloan JS, Olshan AF. Effects of polymorphisms in alcohol metabolism and oxidative stress genes on survival from head and neck cancer. Cancer Epidemiol 2013; 37:479-91. [PMID: 23632049 DOI: 10.1016/j.canep.2013.03.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Revised: 03/18/2013] [Accepted: 03/20/2013] [Indexed: 12/19/2022]
Abstract
BACKGROUND Heavy alcohol consumption increases risk of developing squamous cell carcinoma of the head and neck (SCCHN). Alcohol metabolism to cytotoxic and mutagenic intermediates acetaldehyde and reactive oxygen species is critical for alcohol-drinking-associated carcinogenesis. We hypothesized that polymorphisms in alcohol metabolism-related and antioxidant genes influence SCCHN survival. METHODS Interview and genotyping data (64 polymorphisms in 12 genes) were obtained from 1227 white and African-American cases from the Carolina Head and Neck Cancer Epidemiology study, a population-based case-control study of SCCHN conducted in North Carolina from 2002 to 2006. Vital status, date and cause of death through 2009 were obtained from the National Death Index. Kaplan-Meier log-rank tests and adjusted hazard ratios were calculated to identify alleles associated with survival. RESULTS Most tested SNPs were not associated with survival, with the exception of the minor alleles of rs3813865 and rs8192772 in CYP2E1. These were associated with poorer cancer-specific survival (HRrs3813865, 95% CI=2.00, 1.33-3.01; HRrs8192772, 95% CI=1.62, 1.17-2.23). Hazard ratios for 8 additional SNPs in CYP2E1, GPx2, SOD1, and SOD2, though not statistically significant, were suggestive of differences in allele hazards for all-cause and/or cancer death. No consistent associations with survival were found for SNPs in ADH1B, ADH1C, ADH4, ADH7, ALDH2, GPx2, GPx4, and CAT. CONCLUSIONS We identified some polymorphisms in alcohol and oxidative stress metabolism genes that influence survival in subjects with SCCHN. Previously unreported associations of SNPs in CYP2E1 warrant further investigation.
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Affiliation(s)
- Anne M Hakenewerth
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
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Wang J, Gao J, Li Y, Zhao X, Gao W, Peng L, Yan D, Liu L, Li D, Wei L, Qi J, Zhou C. Functional polymorphisms in FAS and FASL contribute to risk of squamous cell carcinoma of the larynx and hypopharynx in a Chinese population. Gene 2013; 524:193-6. [PMID: 23618817 DOI: 10.1016/j.gene.2013.04.034] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Revised: 04/01/2013] [Accepted: 04/03/2013] [Indexed: 10/26/2022]
Abstract
Accumulating evidences indicate that the functional FAS-1377G>A, -670A>G and FASL-844T>C polymorphisms affect the risk of several kinds of cancers. However, their roles in the development of larynx and hypopharynx squamous cell carcinoma (SCC) were still unknown in the Chinese. In the current study, we examined whether these functional genetic variants were associated with the risk of larynx and hypopharynx squamous SCC in a Han Chinese population. The FAS and FASL polymorphisms were genotyped in 300 patients with laryngeal and hypopharyngeal SCC and 300 control subjects by polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP). Logistic regression analysis revealed that subjects carrying the FASL-844CT or TT genotype had a significantly decreased risk of developing laryngeal and hypopharyngeal SCC [odds ratio (OR)=0.69; 95% confidence interval (CI)=0.51-0.93; P=0.016; or, OR=0.41; 95% CI=0.20-0.86; P=0.009] compared with those carrying the CC genotype. Joint gene-smoking and gene-drinking effects were also observed, with the OR of CC genotype for smokers or drinkers were 5.15 (95%CI=3.24-8.97) or 12.52 (95%CI=7.31-22.47), respectively. Therefore, the FASL-844T>C polymorphism is associated with genetic susceptibility of developing laryngeal and hypopharyngeal SCC in a Han Chinese population.
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Affiliation(s)
- Jiwen Wang
- Department of Thoracic Surgery, Zhejiang Cancer Research Institute, Zhejiang Province Cancer Hospital, Zhejiang Cancer Center, Hangzhou 310022, China
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Liu L, Wu G, Xue F, Li Y, Shi J, Han J, Zhang X, Na Y, Zhang H, Tang X, Pu H, Yuan Q, Zhang L, Yang M. Functional CYP1A1 genetic variants, alone and in combination with smoking, contribute to development of head and neck cancers. Eur J Cancer 2013; 49:2143-51. [PMID: 23462525 DOI: 10.1016/j.ejca.2013.01.028] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Revised: 01/18/2013] [Accepted: 01/28/2013] [Indexed: 02/06/2023]
Abstract
CYP1A1 plays an essential role in pathogenesis of head and neck cancers. Functional CYP1A1 Ile462Val and MspI single nucleotide polymorphisms (SNP) are considered to have significant effects on risk of head and neck cancers. Several case-control studies have examined how these genetic polymorphisms are involved in development of this group of malignancies, but the conclusions are inconsistent. Therefore, we conducted this meta-analysis to systematically examine the associations between these functional genetic variants and head and neck cancer risk. A total of 28 studies are eligible for CYP1A1 Ile462Val SNP (4639 patients and 4701 controls), and 22 studies for MspI SNP (4168 patients and 4638 controls). Pooled odds ratios (ORs) and the 95% confidence interval (95% CI) were appropriately calculated using either fixed-effect model or random-effect model. There was no association between Ile462Val polymorphism and head and neck cancer risk (OR = 1.23, 95% CI = 0.99-1.53, P = 0.062). However, in a stratified analysis, a statistically significant correlation between this SNP and pharyngeal cancer risk was observed (OR = 1.76, 95% CI = 1.32-2.33, P < 0.001). For MspI SNP, our data indicated that carriers of TC and CC genotypes had a 34% increased risk to develop head and neck cancers compared to TT carriers (95% CI = 1.15-1.57, P < 0.001). This effect was even more pronounced in smokers (OR = 2.98, 95% CI = 1.69-5.26, P < 0.001), demonstrating that gene-smoking interaction intensifying carcinogenesis may exist. These findings reveal that the functional CYP1A1 MspI genetic variant, alone and in combination with smoking, plays a more important role in pathogenesis of head and neck cancers.
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Affiliation(s)
- Li Liu
- State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
| | - Gang Wu
- Liaoning International Travel Healthcare Center, Dalian, Liaoning Province, China
| | - Fang Xue
- Liaoning International Travel Healthcare Center, Dalian, Liaoning Province, China
| | - Yunfeng Li
- Liaoning International Travel Healthcare Center, Dalian, Liaoning Province, China
| | - Juan Shi
- State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
| | - Jianjun Han
- Department of Intervention Surgery, Shandong Cancer Hospital, Shandong Academy of Medical Sciences, Jinan, Shandong Province, China
| | - Xiaojiao Zhang
- State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
| | - Yan Na
- State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
| | - Huaijin Zhang
- State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
| | - Xiaohu Tang
- State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
| | - Honglei Pu
- State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
| | - Qipeng Yuan
- State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
| | - Li Zhang
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Ming Yang
- State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China.
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Sundaramoorthy R, Srinivasan V, Gujar J, Sen A, Sekar N, Abilash VG. Clinical, cytogenetic and CYP1A1 exon-1 gene mutation analysis of Beedi workers in Vellore region, Tamil Nadu. Asian Pac J Cancer Prev 2013; 14:7555-60. [PMID: 24460333 DOI: 10.7314/apjcp.2013.14.12.7555] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Beedi rollers are exposed to unburnt tobacco dust through cutaneous and pharyngeal route and it is extremely harmful to the body since it is carcinogenic in nature and can cause cancer during long exposure. This indicates that occupational exposure to tobacco imposes considerable genotoxicity among beedi workers. MATERIALS AND METHODS In the present study, 27 beedi workers and age and sex matched controls were enrolled for clinical, cytogenetics and molecular analysis. Clinical features were recorded. The workers were in the age group of 28-67 years and were workers exposure from 8-60 years. Blood samples were collected from workers and control subjects and lymphocyte cultures were carried out by using standard technique, slides were prepared and 50 metaphases were scored for each sample to find the chromosomal abnormalities. For molecular analysis the genomic DNA was extracted from peripheral blood, to screen the variations in gene, the exon 1 of CYP1A1 gene was amplified by polymerase chain reaction (PCR) and then screened with Single Strand Conformation Polymorphism (SSCP) analysis. RESULTS A statistically significant increase was observed in the frequencies of chromosomal aberrations in exposed groups when compared to the respective controls and variations observed in Exon 1 of CYP1A1(Cytochrome P450, family 1, subfamily A, polypeptide 1) gene. CONCLUSIONS This study shows that, the toxicants present in the beedi that enter into human body causes disturbance to normal state and behavior of the chromosomes which results in reshuffling of hereditary material causing chromosomal aberrations and genomic variations.
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Affiliation(s)
- Rajiv Sundaramoorthy
- Division of Biomolecules and Genetics, School of Biosciences and Technology, VIT University, Tamil Nadu, India E-mail :
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Fahy BN, Guo T, Ghose R. Impact of hepatic malignancy on CYP3A4 gene expression. J Surg Res 2012; 178:768-72. [PMID: 22763214 DOI: 10.1016/j.jss.2012.06.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Revised: 05/13/2012] [Accepted: 06/01/2012] [Indexed: 10/28/2022]
Abstract
BACKGROUND The aim of this study was to examine differences in a major enzyme system for hepatic metabolism of drugs, CYP3A4, by measuring RNA levels in the liver tissue of subjects with and without hepatic malignancy and with primary versus metastatic liver tumors. MATERIALS AND METHODS We identified liver specimens from a hospital-wide tissue repository of patients having liver resection for a clinical indication. Total RNA isolation, complementary DNA synthesis, and real-time quantitative polymerase chain reaction were performed according to the standards. Demographic, clinical, and laboratory data were obtained from medical records. Standard statistical analyses were performed with significance set to α=0.05. RESULTS Liver tissue from 27 subjects was available for analysis: 13 were without malignancy and 14 had either primary liver malignancies (n=7) or metastatic disease (n=7). Median age was 57 y, and half of the subjects were men. More than 80% of subjects were overweight or obese without differentiation between benign or malignant tumors. Fewer than 20% of subjects had diabetes or hypercholesterolemia. No preresection laboratory differences were noted between the groups (benign versus malignant or primary versus metastatic disease). Subjects with malignant liver tumors had significantly lower relative-fold CYP3A4 RNA content than those with benign liver tumors (P=0.009), but no difference in the CYP3A4 RNA content between primary and metastatic disease was seen. CONCLUSIONS This study demonstrates differences in the expression of CYP3A4 in benign and malignant human liver tumors and contributes to understanding the possible impact of malignancy on hepatic metabolism.
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Affiliation(s)
- Bridget N Fahy
- Department of Surgery, Weill Cornell Medical College, The Methodist Hospital, Houston, Texas 77030, USA.
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Johnson NW, Jayasekara P, Amarasinghe AAHK. Squamous cell carcinoma and precursor lesions of the oral cavity: epidemiology and aetiology. Periodontol 2000 2011; 57:19-37. [PMID: 21781177 DOI: 10.1111/j.1600-0757.2011.00401.x] [Citation(s) in RCA: 205] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Hakenewerth AM, Millikan RC, Rusyn I, Herring AH, North KE, Barnholtz-Sloan JS, Funkhouser WF, Weissler MC, Olshan AF. Joint effects of alcohol consumption and polymorphisms in alcohol and oxidative stress metabolism genes on risk of head and neck cancer. Cancer Epidemiol Biomarkers Prev 2011; 20:2438-49. [PMID: 21940907 DOI: 10.1158/1055-9965.epi-11-0649] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Single-nucleotide polymorphisms (SNP) in alcohol metabolism genes are associated with squamous cell carcinoma of the head and neck (SCCHN) and may influence cancer risk in conjunction with alcohol. Genetic variation in the oxidative stress pathway may impact the carcinogenic effect of reactive oxygen species produced by ethanol metabolism. We hypothesized that alcohol interacts with these pathways to affect SCCHN incidence. METHODS Interview and genotyping data for 64 SNPs were obtained from 2,552 European- and African-American subjects (1,227 cases and 1,325 controls) from the Carolina Head and Neck Cancer Epidemiology Study, a population-based case-control study of SCCHN conducted in North Carolina from 2002 to 2006. We estimated ORs and 95% confidence intervals (CI) for SNPs and haplotypes, adjusting for age, sex, race, and duration of cigarette smoking. P values were adjusted for multiple testing using Bonferroni correction. RESULTS Two SNPs were associated with SCCHN risk: ADH1B rs1229984 A allele (OR = 0.7; 95% CI, 0.6-0.9) and ALDH2 rs2238151 C allele (OR = 1.2; 95% CI, 1.1-1.4). Three were associated with subsite tumors: ADH1B rs17028834 C allele (larynx, OR = 1.5; 95% CI, 1.1-2.0), SOD2 rs4342445 A allele (oral cavity, OR = 1.3; 95% CI, 1.1-1.6), and SOD2 rs5746134 T allele (hypopharynx, OR = 2.1; 95% CI, 1.2-3.7). Four SNPs in alcohol metabolism genes interacted additively with alcohol consumption: ALDH2 rs2238151, ADH1B rs1159918, ADH7 rs1154460, and CYP2E1 rs2249695. No alcohol interactions were found for oxidative stress SNPs. CONCLUSIONS AND IMPACT Previously unreported associations of SNPs in ALDH2, CYP2E1, GPX2, SOD1, and SOD2 with SCCHN and subsite tumors provide evidence that alterations in alcohol and oxidative stress pathways influence SCCHN carcinogenesis and warrant further investigation.
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Affiliation(s)
- Anne M Hakenewerth
- Department of Epidemiology, University of North Carolina at Chapel Hill, 100 Market Street, Chapel Hill, NC 27516, USA.
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Azarpira N, Ashraf MJ, Khademi B, Darai M, Hakimzadeh A, Abedi E. Study the polymorphism of CYP3A5 and CYP3A4 loci in Iranian population with laryngeal squamous cell carcinoma. Mol Biol Rep 2011; 38:5443-8. [PMID: 21380731 DOI: 10.1007/s11033-011-0699-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2010] [Accepted: 02/26/2011] [Indexed: 11/29/2022]
Abstract
Cancer reflects a complicated network of interactions between genes and environmental factors. Cytochrome P450 (CYP) is a multi-gene superfamily participating in the metabolism of xenobiotics. The aim of our study was to examine whether polymorphisms in the CYP enzyme genes affect the risk of developing larynx squamous cell carcinoma (SCC). Polymorphism of CYP3A5 and CYP3A4 genes were investigated in 50 patients with laryngeal SCC and 100 control subjects by polymerase chain reaction- restriction fragment length polymorphism (PCR-RFLP). In patients the CYP3A5 3/3 and 1/3genotypes were detected in 92% and 8% respectively. There was no relation between genotype, allele frequency and grade/stage of tumor. In control group, the frequency of CYP3A5 3/3 and CYP3A5 1/3 genotype were 98% and 2% respectively. There was no significant difference in genotype and allele frequency of this gene between patient and control group. In respect of CYP3A41A/B, people in both patient and control groups had the same genotype of CYP3A41A/1A. In this study, the CYP gene variants were not associated with increased risk of laryngeal SCC. Study on the other genetic factors which are involved in activation/detoxication of procarcinogenes, such as CYP1A1, CYP1B1, CYP2E1 and gluthation S transferase is recommended.
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Affiliation(s)
- Negar Azarpira
- Organ Transplant Research Center, Nemazi Hospital, Shiraz University of Medical Sciences, Shiraz, Iran.
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Meta-analyses of the effect of cytochrome P450 2E1 gene polymorphism on the risk of head and neck cancer. Mol Biol Rep 2010; 38:2409-16. [PMID: 21076874 DOI: 10.1007/s11033-010-0375-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2010] [Accepted: 11/04/2010] [Indexed: 10/18/2022]
Abstract
Many studies have investigated the association between the CYP2E1 5'-flanking region (RsaI/PstI) polymorphism and head and neck cancer susceptibility, but the results were conflicting. In this meta-analysis, we assessed 24 published studies involving 12,562 subjects of the association between CYP2E1 RsaI/PstI polymorphism and head and neck cancer risk. Using the fixed effects model, we found significant association between PstI/RsaI polymorphism and head and neck cancer risk [OR=1.11 (95%CI: 1.00-1.22) for c2 allele (P=0.04) and OR=1.57 (95% CI: 1.14-2.15) for c2 homozygous (P=0.006) compared with wild type homozygote]. Significant results were also found in East Asians and Mix populations when stratified by ethnicity. However, no significant associations were found for Caucasians in all genetic models. Stratified analyses according to source of controls, significant associations were found only in hospital base controls. In the subgroup analyses by tumor types, significant association was detected only in oral cancer group, while no significant associations among laryngeal- or pharyngeal- cancer subgroup. This meta-analysis suggests that the CYP2E1 RsaI/PstI polymorphism may be a risk factor for head and neck cancer in Asians and Mix population, and that different carcinogenic processes involved in the genesis of various tumor types may exist.
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