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Conway E, Wu H, Tian L. Overview of Risk Factors for Esophageal Squamous Cell Carcinoma in China. Cancers (Basel) 2023; 15:5604. [PMID: 38067307 PMCID: PMC10705141 DOI: 10.3390/cancers15235604] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/22/2023] [Accepted: 11/24/2023] [Indexed: 05/27/2024] Open
Abstract
(1) Background: China has the highest esophageal squamous cell carcinoma (ESCC) incidence areas in the world, with some areas of incidence over 100 per 100,000. Despite extensive public health efforts, its etiology is still poorly understood. This study aims to review and summarize past research into potential etiologic factors for ESCC in China. (2) Methods: Relevant observational and intervention studies were systematically extracted from four databases using key terms, reviewed using Rayyan software, and summarized into Excel tables. (3) Results: Among the 207 studies included in this review, 129 studies were focused on genetic etiologic factors, followed by 22 studies focused on dietary-related factors, 19 studies focused on HPV-related factors, and 37 studies focused on other factors. (4) Conclusions: ESCC in China involves a variety of factors including genetic variations, gene-environment interactions, dietary factors like alcohol, tobacco use, pickled vegetables, and salted meat, dietary behavior such as hot food/drink consumption, infections like HPV, poor oral health, gastric atrophy, and socioeconomic factors. Public health measures should prioritize genetic screening for relevant polymorphisms, conduct comprehensive investigations into environmental, dietary, and HPV influences, enhance oral health education, and consider socioeconomic factors overall as integral strategies to reduce ESCC in high-risk areas of China.
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Affiliation(s)
| | | | - Linwei Tian
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 7 Sassoon Road, Hong Kong SAR, China; (E.C.); (H.W.)
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Correlation between cytochrome P450 2C19 genetic polymorphism and treatment response to escitalopram in panic disorder. Pharmacogenet Genomics 2017; 27:279-284. [DOI: 10.1097/fpc.0000000000000290] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Bhat GA, Bhat AB, Lone MM, Dar NA. Association of Genetic Variants of CYP2C19 and CYP2D6 with Esophageal Squamous Cell Carcinoma Risk in Northern India, Kashmir. Nutr Cancer 2017; 69:585-592. [PMID: 28368717 DOI: 10.1080/01635581.2017.1299874] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Genetic polymorphism in xenobiotic metabolizing enzymes (XMEs) is associated with various malignancies. However, the association of esophageal cancer with XMEs is mixed. The current study was aimed to explore the association of genetic polymorphisms of cytochrome (CYP) 2C19 and CYP2D6 genotypes with esophageal squamous cell carcinoma (ESCC) risk in Kashmir, India. Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and sequencing methods were used for genotyping of 492 ESCC cases and equal number of individually matched controls. Conditional logistic regression models were used to assess odds ratios (ORs) and 95% confidence intervals. Increased ESCC risk was observed in subjects with variant genotypes of CYP2C19 (OR = 3.3) or CYP2D6 (OR = 2.1) and risk was higher (OR = 4.6) in subjects who harbored both the genotypes. Almost same but higher risk turned when subjects were smokers and carried a variant genotype of CYP2C19 (OR = 4.4) or CYP2D6 (OR = 4.7). Risk was appreciably increased in subjects who had family history of any cancer and also harbored a variant genotype of either CYP2C19 (OR = 15.5) or CYP2D6 (OR = 9.7). Subjects harboring a variant genotype of CYP2D6 showed an added risk when they used biomass as fuel (OR = 4.6). In conclusion, variant genotypes of CYP2C19 and CYP2D6 are associated with an increased risk of ESCC.
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Affiliation(s)
- Gulzar Ahmad Bhat
- a Department of Biochemistry , University of Kashmir , Srinagar , India
| | | | - Mohd Maqbool Lone
- b Department of Radiation Oncology , SK Institute of Medical Sciences , Srinagar , India
| | - Nazir Ahmad Dar
- a Department of Biochemistry , University of Kashmir , Srinagar , India
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Shah IA, Bhat GA, Mehta P, Lone MM, Dar NA. Genotypes of CYP1A1, SULT1A1 and SULT1A2 and risk of squamous cell carcinoma of esophagus: outcome of a case-control study from Kashmir, India. Dis Esophagus 2016; 29:937-943. [PMID: 26455829 DOI: 10.1111/dote.12427] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Studies on associations of various polymorphism in xenobiotic metabolizing genes with different cancers including esophageal squamous cell carcinoma (ESCC) are mixed and inconclusive. To evaluate the association of CYP1A1*4, SULT1A1*2 and SULT1A2*2 genotypes with ESCC risk and their modifying effects on different risk factors of ESCC, we conducted a case-control study in Kashmir, India, an area with relative high incidence of ESCC. We recruited 404 histopathologically confirmed ESCC cases, and equal number of controls, individually matched for sex, age and district of residence to respective case. Information was obtained on various dietary, lifestyle and environmental factors in face-to-face interviews, using a structured questionnaire, from each subject. Genotypes were analyzed by polymerase chain reaction, restriction fragment length polymorphism and direct sequencing. Conditional logistic regression models were used to calculate odds ratios (ORs) and 95% confidence intervals (95% CIs). A higher risk was observed in the subjects who harbored variant genotype of CYP1A1*4 (OR = 2.06; 95% CI: 1.28-3.32); and the risk was further enhanced in ever smokers (OR = 3.47; 95% CI: 1.62-7.42), adobe dwellers (OR = 6.71; 95% CI: 3.02-14.89), and biomass fuel users (OR = 5.11; 95% CI: 1.34-19.50). We did not find any significant differences in the polymorphic variants of SULT1A1*2 and SULT1A2*2 between cases and controls. The study indicates that, unlike SULT1A1*2 and SULT1A2*2, the polymorphism of CYP1A1*4 is associated with ESCC risk. However, replicative studies with larger sample size are needed to substantiate our findings.
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Affiliation(s)
- I A Shah
- Department of Biochemistry, University of Kashmir, Srinagar, JK.,Department of Human Genetics, Punjabi University Patiala, Patiala, Punjab, India
| | - G A Bhat
- Department of Biochemistry, University of Kashmir, Srinagar, JK
| | - P Mehta
- Department of Human Genetics, Punjabi University Patiala, Patiala, Punjab, India
| | - M M Lone
- Departments of Radiation Oncology, SK Institute of Medical Sciences, Srinagar, JK, India
| | - N A Dar
- Department of Biochemistry, University of Kashmir, Srinagar, JK
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Potential risk of esophageal squamous cell carcinoma due to nucleotide excision repair XPA and XPC gene variants and their interaction among themselves and with environmental factors. Tumour Biol 2016; 37:10193-207. [PMID: 26831662 DOI: 10.1007/s13277-016-4895-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Accepted: 01/20/2016] [Indexed: 02/07/2023] Open
Abstract
The association of nucleotide excision repair (NER) gene polymorphisms with esophageal squamous cell carcinoma (ESCC) is inconclusive. The aim of the current study was to assess the association of repair gene xeroderma pigmentosum A (XPA) (rs-1800975) and xeroderma pigmentosum C (XPC) (rs-2228000) polymorphisms with ESCC risk as well as modifying effects of environmental factors. The genotyping was done in 450 confirmed ESCC cases and equal number of individually matched controls by the polymerase chain reaction and restriction fragment length polymorphism (PCR-RFLP) and direct sequencing methods. Conditional logistic regression models were used to assess the genotypic associations and interactions. A high ESCC risk was found in subjects who carried the homozygous minor allele of XPA (odds ratio (OR) = 3.57; 95 % confidence interval (CI) = 1.76-7.23), and the risk was higher when analysis was limited to participants who were ever smokers (OR = 4.22; 95 % CI = 2.01-8.88), lived in adobe houses (OR = 8.42; 95 % CI = 3.74-18.95), consumed large volumes of salt tea (OR = 7.42; 95 % CI = 3.30-16.69), or had a positive family history of cancer (FHC) (OR = 9.47; 95 % CI = 4.67-19.20). In case of XPC, a homozygous minor allele also showed strong association with ESCC risk (OR = 4.43; 95 % CI = 2.41-8.16). We again observed a very strong effect of the above environmental factors in elevating the risk of ESCC. Further, the variant genotypes of both genes in combination showed an increased risk towards ESCC (OR = 7.01; 95 % CI = 3.14-15.64) and such association was synergistically significant. Salt tea consumption showed an interaction with genotypes of XPA and XPC. However, an interaction with FHC was significant in the case of XPA genotype only. XPA and XPC genotypes are associated with an increased risk of ESCC, and such association was reasonably modulated by different exposures.
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Liu C, Wang Y, Jiang H, Tang W, Chen S, Kang M, Dong C, Gu H. Association between Cytotoxic T-lymphocyte antigen 4 (CTLA-4) +49 G>A (rs231775) polymorphism and esophageal cancer: from a case-control study to a meta-analysis. Int J Clin Exp Med 2015; 8:17664-17673. [PMID: 26770356 PMCID: PMC4694256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 09/28/2015] [Indexed: 06/05/2023]
Abstract
The aim of this study was to evaluate the association between CTLA-4 +49 G>A polymorphism and esophageal cancer (EC) susceptibility in a hospital based case-control study and a subsequent meta-analysis. We implemented genotyping analyses for CTLA-4 +49 G>A polymorphism with 629 esophageal squamous cell carcinoma cases and 686 controls in a Chinese Han population. Polymerase chain reaction ligase detection reaction (PCR-LDR) method was used to identify genotypes of CTLA-4 +49 G>A polymorphism. We first assessed the association between CTLA-4 +49 G>A polymorphism and EC risk in a hospital based case-control study, and then performed a comprehensive meta-analysis to derive a more precise estimation. Our results demonstrated that CTLA-4 +49 G>A polymorphism was not associated with EC risk. This case-control study and further meta-analysis, failed to identify the association between CTLA-4 +49 G>A polymorphism and EC risk. And additional, further well designed studies with large sample sizes and detailed gene-environment data are required.
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Affiliation(s)
- Chao Liu
- Department of Cardiothoracic Surgery, Affiliated People’s Hospital of Jiangsu UniversityZhenjiang, Jiangsu Province, China
| | - Yafeng Wang
- Department of Cardiology, The People’s Hospital of Xishuangbanna Dai Autonomous PrefectureJinghong, Yunnan Province, China
| | - Heping Jiang
- Department of Emergency, Affiliated Jintan People’s Hospital of Jiangsu UniversityJintan, China
| | - Weifeng Tang
- Department of Cardiothoracic Surgery, Affiliated People’s Hospital of Jiangsu UniversityZhenjiang, Jiangsu Province, China
- Department of Thoracic Surgery, Affiliated Union Hospital, Fujian Medical UniversityFuzhou, Fujian Province, China
| | - Shuchen Chen
- Department of Thoracic Surgery, Affiliated Union Hospital, Fujian Medical UniversityFuzhou, Fujian Province, China
| | - Mingqiang Kang
- Department of Thoracic Surgery, Affiliated Union Hospital, Fujian Medical UniversityFuzhou, Fujian Province, China
| | - Changqing Dong
- Department of Cardiothoracic Surgery, Affiliated People’s Hospital of Jiangsu UniversityZhenjiang, Jiangsu Province, China
| | - Haiyong Gu
- Department of Cardiothoracic Surgery, Affiliated People’s Hospital of Jiangsu UniversityZhenjiang, Jiangsu Province, China
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Shah IA, Mehta P, Lone MM, Dar NA. Leu432Val Polymorphism of CYP1B1 is Not Associated with Squamous Cell Carcinoma of Esophagus - a Case-Control Study from Kashmir, India. Asian Pac J Cancer Prev 2015. [DOI: 10.7314/apjcp.2015.16.13.5337] [Citation(s) in RCA: 5] [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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Bhat GA, Shah IA, Rafiq R, Nabi S, Iqbal B, Lone MM, Islami F, Boffetta P, Dar NA. Family history of cancer and the risk of squamous cell carcinoma of oesophagus: a case-control study in Kashmir, India. Br J Cancer 2015; 113:524-32. [PMID: 26125444 PMCID: PMC4522628 DOI: 10.1038/bjc.2015.218] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 05/11/2015] [Accepted: 05/21/2015] [Indexed: 02/06/2023] Open
Abstract
Background: Only a few studies have examined the association between family history of cancer (FHC) and the risk of oesophageal squamous cell carcinoma (ESCC) in high incidence areas of ESCC. We conducted a case–control study to evaluate the relationship between FHC and ESCC risk in Kashmir, India, with analysis of detailed epidemiological data and information on multiple gene polymorphisms. Methods: We collected detailed information on FHC and a number of socio-demographic and lifestyle factors, and also obtained blood samples for genetic analysis from 703 histopathologically confirmed ESCC cases and 1664 individually matched controls. Conditional logistic regression models were used to calculate odds ratios (ORs) and 95% confidence intervals (95% CIs). Results: Participants who had FHC showed a strong association with ESCC risk, and the risk was stronger when first-degree relatives (FDRs) had FHC (OR=6.8; 95% CI=4.6–9.9). Having a sibling with a cancer showed the strongest association (OR=10.8; 95% CI=6.0–19.3), but having a child with a cancer was not associated with ESCC risk. A history of any cancer in the spouse was also associated with ESCC risk (OR=4.1; 95% CI=1.6–10.2). Those with two or more relatives with FHC were at a higher risk of ESCC. After restricting FHC to familial ESCC only, the above associations were strengthened, except when spouses were affected with ESCC (OR=2.5; 95% CI=0.7–8.9). When we examined the associations between several single-nucleotide polymorphisms and ESCC in those with and without FHC, the associations of variant genotypes in cytochrome P450 (CYP) 2C19 and CYP2D6 and the wild genotype of CYP2E1 with ESCC were much stronger in those with FHC. The FHC had an additive interaction with several risk factors of ESCC in this population. Conclusion: Our results showed that FHC was strongly associated with ESCC risk in Kashmir. It seems both genetic factors and shared environment are involved in this association.
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Affiliation(s)
- G A Bhat
- Department of Biochemistry, University of Kashmir, Srinagar 190006, India
| | - I A Shah
- Department of Biochemistry, University of Kashmir, Srinagar 190006, India
| | - R Rafiq
- Department of Biochemistry, University of Kashmir, Srinagar 190006, India
| | - S Nabi
- Department of Biochemistry, University of Kashmir, Srinagar 190006, India
| | - B Iqbal
- Department of Biochemistry, University of Kashmir, Srinagar 190006, India
| | - M M Lone
- Departments of Radiation Oncology, SK Institute of Medical Sciences, Soura Srinagar, 190011 India
| | - F Islami
- 1] Surveillance and Health Services Research, American Cancer Society, Atlanta, GA, USA [2] Digestive Oncology Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, 14117 Iran
| | - P Boffetta
- Tisch Cancer Institute and Institute for Transitional Epidemiology, Mount Sinai School of Medicine, New York, NY, USA
| | - N A Dar
- Department of Biochemistry, University of Kashmir, Srinagar 190006, India
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Peng XE, Chen HF, Hu ZJ, Shi XS. Independent and combined effects of environmental factors and CYP2C19 polymorphisms on the risk of esophageal squamous cell carcinoma in Fujian Province of China. BMC MEDICAL GENETICS 2015; 16:15. [PMID: 25927305 PMCID: PMC4422422 DOI: 10.1186/s12881-015-0156-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/24/2014] [Accepted: 02/18/2015] [Indexed: 12/28/2022]
Abstract
Background The purpose of this study was to explore the effects of CYP2C19 gene polymorphisms and various environmental factors and their interactions on the risk of esophageal squamous cell carcinoma (ESCC) in a Chinese Han population. Methods A 1:2 frequency-matched case control study of 285 patients and 570 controls was conducted from June 2010 to May 2011 in AnXi of Fujian province, China. Environmental factors were investigated using a self-administered questionnaire and genotypes were determined using polymerase chain reaction restriction fragment length polymorphism based methods. Unconditional logistic regression models were used for statistical evaluation. Results Current or former smoking, consumption of pickled vegetables or hot beverages/food, having a first degree relative with ESCC and history of reflux esophagitis were significantly associated with increased ESCC risk, whereas tea drinking and consumption of fresh vegetables and fruits were significantly associated with decreased risk. The CYP2C19*2 GA/AA genotype was significantly more prevalent in ESCC patients and individuals with at least one copy of the CYP2C19*2 A allele had a 3.19-fold increased risk (adjusted 95% confidence interval (CI): 2.21–4.61, P < 0.001) of ESCC compared with those without this allele. We found no significant associations between CYP2C19*3 genotypes and ESCC. The Cyp2C19*2 polymorphism appeared to have a multiplicative joint effect with tea drinking and hot beverage/food consumption (gene–tea drinking: Pinteraction = 0.042; hot beverage/food consumption: Pinteraction = 6.98 × 10−6) and an additive joint effect with pickled vegetable consumption (interaction contrast ratio = 1.96, 95% CI: 0.12–3.80). Conclusions Our findings suggest that the CYP2C19*2 polymorphism plays an important role in the development of ESCC in the Chinese population, modified by tea drinking and consumption of pickled vegetables or hot beverages/food. Further studies are warranted to confirm our results. Electronic supplementary material The online version of this article (doi:10.1186/s12881-015-0156-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xian-E Peng
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, 88 Jiaotong Road, Fuzhou, 350004, China. .,Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Research Center of Molecular Medicine, Fujian Medical University, Fujian, China.
| | - Hua-Fang Chen
- CDC of XiaMen, 681-685Shengguang Road, Xiamen, China.
| | - Zhi-Jian Hu
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, 88 Jiaotong Road, Fuzhou, 350004, China.
| | - Xi-Shun Shi
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, 88 Jiaotong Road, Fuzhou, 350004, China.
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Li QY, Zhao NM, Wang LC, Duan HF, Ma YC, Zhang W, Zhao HW, Qin YH. Individuals having variant genotypes of cytochrome P450 2C19 are at increased risk of developing primary liver cancer in Han populations, without infection with the hepatitis virus. Tumour Biol 2014; 35:9023-6. [PMID: 24906606 DOI: 10.1007/s13277-014-2144-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Accepted: 05/22/2014] [Indexed: 01/27/2023] Open
Abstract
Recently, many researchers have reported that the genetic polymorphisms of CYP2C19 may account for the interpatient variability of the clinical course in cancers including primary liver cancer (PLC). Besides the genetic polymorphisms of CYP2C19, hepatitis viruses (HV, including HAV, HBV, HCV, HDV, HEV, especially HBV and/or HCV) also account for the interpatient variability of the clinical course in PLC. This research covered the above two factors and divided the patients with PLC into two groups (one group with HBV infection and another without any HV infection) to find out whether the genetic polymorphisms of CYP2C19 have different effects in the progressing of PLC in different groups of patients. Eight hundred sixty-four cancer-free Han people (controls, named group 1), 207 Han PLC patients with HBV infection (group 2), and 55 Han PLC patients without any HV infection (group 3) were involved in this study. A wild-type allele (CYP2C19*1) and two mutated alleles (CYP2C19*2 and CYP2C19*3) were identified. The frequencies of the mutant alleles and genotypes were then compared with each other. The frequencies of the homozygous and heterozygous variant genotypes (*2/*2, *2/*3, *3/*3) in group 3 (25.5 %) were significantly higher than those in other groups (11.9 % in group 1 and 13.5 % in group 2, P = 0.014, 95 % confidence interval (CI)). The differences were statistically significant between group 1 and group 3 (P = 0.004, 95 % CI), but they were not statistically significant between group 1 and group 2 (P = 0.527, 95 % CI). Thus, we conclude that people which were not infected with HV but with the homozygous or heterozygous variant genotypes (*2/*2, *2/*3, *3/*3) of CYP2C19 may have higher possibilities of getting PLC than people with other allelic genotypes (*1/*1, *1/*2, *1/*3) (odds ratio (OR) = 2.523, 95 % CI = 1.329 ~ 4.788). However, in patients with HBV infection, the genetic polymorphisms of CYP2C19 did not seem to be an important factor in the risk of developing PLC (OR = 1.156, 95 % CI = 0.738 ~ 1.810).
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Affiliation(s)
- Qiao-Yan Li
- Department of Pharmacy, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, No. 7, Weiwu Rd., Zhengzhou, 450003, Henan Province, China,
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Ren Z, Zhu J, Gu H, Liu R, Chen S, Rong G, Sun B. Decoy receptor 3 polymorphisms are not associated with the risk of esophageal cancer in a Chinese population. Biomarkers 2014; 19:340-4. [PMID: 24786982 DOI: 10.3109/1354750x.2014.915343] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Esophageal cancer (EC) is the sixth most common cancer worldwide, and esophageal squamous-cell carcinoma (ESCC) accounts for more than 90% of ECs. We hypothesized that genetic factors might play an important role in ESCC carcinogenesis. We conducted a hospital-based case-control study to evaluate the association between two single nucleotide polymorphisms of decoy receptor 3 (DcR3), namely, rs2297441 G > A and rs2257440 T > C, on the ESCC risk. In all, 629 ESCC cases and 686 controls were included. Genotypes were determined using the ligation detection reaction method. When the DcR3 rs2297441 GG homozygote genotype was used as the reference group, the GA genotype showed no association with the ESCC risk (GA versus GG: adjusted OR = 1.11, 95% CI = 0.88-1.40, p = 0.396); similarly, even the TT genotype showed no association with the ESCC risk (AA versus GG: adjusted OR = 0.80, 95% CI = 0.55-1.18, p = 0.268). Logistic regression analyses revealed that the DcR3 rs2257440 T > C polymorphism was not associated with the ESCC risk. DcR3 rs2297441 G > A and DcR3 rs2257440 T > C polymorphisms may not contribute to the ESCC risk, and additional, larger studies are required to confirm our results.
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Affiliation(s)
- Zhengbing Ren
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University , Zhenjiang , China and
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Tang W, Zhang S, Qiu H, Wang L, Sun B, Yin J, Gu H. Genetic variations in MTHFR and esophageal squamous cell carcinoma susceptibility in Chinese Han population. Med Oncol 2014; 31:915. [PMID: 24687778 DOI: 10.1007/s12032-014-0915-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2014] [Accepted: 03/07/2014] [Indexed: 12/19/2022]
Abstract
Esophageal cancer is the sixth most common cancer worldwide. Esophageal squamous cell carcinoma (ESCC) is a fatal malignancy associated with low 5-year survival rate. The aim of this study was to assess the association between methylenetetrahydrofolate reductase (MTHFR) tagging single nucleotide polymorphisms (SNPs) rs1801133 C>T, rs3753584 A>G, rs4845882 G>A, rs4846048 A>G and rs9651118 T>C genotypes and ESCC susceptibility in a hospital-based case-control study. We conducted genotyping analyses for these five SNPs with 629 ESCC cases and 686 controls in a Chinese Han population. Ligation detection reaction method was used to identify genotypes of these MTHFR SNPs. Our results demonstrated that MTHFR rs1801133 C>T was associated with the risk of ESCC; however, MTHFR rs4845882 G>A and rs4846048 A>G SNPs were associated with the decreased risk of ESCC, and MTHFR rs3753584 A>G and rs9651118 T>C SNPs were not associated with ESCC risk. Our findings suggests that MTHFR rs1801133 C>T, rs4845882 G>A and rs4846048 A>G SNPs may be genetic modifiers for developing ESCC in Chinese Han population.
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Affiliation(s)
- Weifeng Tang
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, 212000, China
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Bhat GA, Shah IA, Makhdoomi MA, Iqbal B, Rafiq R, Nabi S, Masood A, Lone MM, Dar NA. CYP1A1 and CYP2E1 genotypes and risk of esophageal squamous cell carcinoma in a high-incidence region, Kashmir. Tumour Biol 2014; 35:5323-30. [PMID: 24504680 DOI: 10.1007/s13277-014-1694-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2013] [Accepted: 01/26/2014] [Indexed: 12/16/2022] Open
Abstract
The study analyzed the relationship between genetic polymorphisms of phase I xenobiotic metabolizing enzymes, cytochromes P450 (CYP) 1A1 and CYP2E1 and esophageal squamous cell carcinoma (ESCC) in Kashmir, India. The different genotypes of CYP1A1 and CYP2E1 were analyzed by polymerase chain reaction and restriction fragment length polymorphism in 526 ESCC cases and equal number of matched controls. Conditional logistic regression models were used to assess the association of various genotypes with ESCC, gene-gene, and gene-environment interactions. High risk of ESCC was found in participants who carried CYP1A1 Val/Val genotype (OR=2.87; 95 % CI=1.00-8.44) and the risk increased in such individuals when c1/c1 of CYP2E1 genotype was also present (OR=5.68; 95 % CI=1.09-29.52). Risk due to CYP1A1 Val/Val genotype was further enhanced (OR=8.55; 95 % CI=1.86-42.20) when the analysis was limited to ever smokers. Participants who carried CYP2E1 c1/c2 genotype showed an inverse relation (OR=0.27; 95 % CI=0.17-0.43) with ESCC. The inverse association of CYP2E1 c1/c2 genotype was retained when CYP1A1 Ile/Ile was also present (OR=0.18; 95 % CI=0.09-0.32), as well as when analysis was limited to ever smokers (OR=0.45; 95 % CI=0.23-0.90). Significant interaction was found between CYP1A1 (Val/Val) and CYP2E1 (c1/c1) genotypes (OR=1.30; 95 % CI=1.12-1.51; P=0.001) and between CYP1A1 (Val/Val) and smoking (OR=1.31; 95 % CI=1.01-1.69; P=0.043). The study suggests CYP1A1 Val/Val and CYP2E1 c1/c1 genotypes are significantly associated with ESCC risk.
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Affiliation(s)
- Gulzar Ahmad Bhat
- Department of Biochemistry, University of Kashmir, Srinagar, J&K, 190006, India
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Tang W, Qiu H, Ding H, Sun B, Wang L, Yin J, Gu H. Association between the STK15 F31I polymorphism and cancer susceptibility: a meta-analysis involving 43,626 subjects. PLoS One 2013; 8:e82790. [PMID: 24349361 PMCID: PMC3862673 DOI: 10.1371/journal.pone.0082790] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Accepted: 10/28/2013] [Indexed: 12/11/2022] Open
Abstract
The association between the Serine/threonine kinase 15 (STK15) F31I polymorphism (rs2273535) and cancer susceptibility remains controversial. To further investigate this potential relationship, we conducted a comprehensive meta-analysis of 27 published studies involving a total of 19,267 multiple cancer cases and 24,359 controls. Our results indicate statistical evidence of an association between the STK15 F31I polymorphism and the increased risk of overall cancer in four genetic models: AA vs. TA+TT, AA vs. TT, AA vs. TA, and A vs. T. In a stratified analysis by cancer type, there was an increased risk of breast cancer in four genetic models: AA vs. TA+TT, AA vs. TT, AA vs. TA, and A vs. T, as well as esophageal cancer in two genetic models: AA vs. TA+TT and AA vs. TA. In a stratified analysis by ethnicity, there was a significant increase in cancer risk among Asians, but not Caucasians, in four genetic models: AA vs. TA+TT, AA vs. TT, AA vs. TA and A vs. T. In addition, a stratified analysis by ethnicity in the breast cancer subgroup revealed a significant increase in cancer risk among Asians in two genetic models: AA vs. TA+TT and AA vs. TT, as well as among Caucasians in one genetic model: AA vs. TA. In summary, this meta-analysis demonstrates that the STK15 F31I polymorphism may be a risk factor for cancer.
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Affiliation(s)
- Weifeng Tang
- Department of Cardiothoracic Surgery, Affiliated People’s Hospital of Jiangsu University, Zhenjiang, China
| | - Hao Qiu
- Department of Microbiology and Immunology, Medical School of Southeast University, Nanjing, China
| | - Hao Ding
- Department of Respiratory Disease, Affiliated People’s Hospital of Jiangsu University, Zhenjiang, China
| | - Bin Sun
- Department of Cardiothoracic Surgery, Affiliated People’s Hospital of Jiangsu University, Zhenjiang, China
| | - Lixin Wang
- Department of Microbiology and Immunology, Medical School of Southeast University, Nanjing, China
| | - Jun Yin
- Department of Cardiothoracic Surgery, Affiliated People’s Hospital of Jiangsu University, Zhenjiang, China
- * E-mail: (JY); (HG)
| | - Haiyong Gu
- Department of Cardiothoracic Surgery, Affiliated People’s Hospital of Jiangsu University, Zhenjiang, China
- * E-mail: (JY); (HG)
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Functional polymorphisms in the CYP2C19 gene contribute to digestive system cancer risk: evidence from 11,042 subjects. PLoS One 2013; 8:e66865. [PMID: 23874401 PMCID: PMC3712993 DOI: 10.1371/journal.pone.0066865] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Accepted: 05/12/2013] [Indexed: 12/19/2022] Open
Abstract
Background CYP2C19 belongs to the cytochrome P450 superfamily of enzymes involved in activating and detoxifying many carcinogens and endogenous compounds, which has attracted considerable attention as a candidate gene for digestive system cancer. CYP2C19 has two main point mutation sites (CYP2C19*2, CYP2C19*3) leading to poor metabolizer (PM) phenotype. In the past decade, the relationship between CYP2C19 polymorphism and digestive system cancer has been reported in various ethnic groups; however, these studies have yielded contradictory results. Methods To clarify this inconsistency, we performed this meta-analysis. Databases including Pubmed, EMBASE, Web of Science and China National Knowledge Infrastructure (CNKI) were searched to find relevant studies. Odds ratios (ORs) with 95% confidence intervals (CIs) were used to assess the strength of association. Results In total, 18 studies with 4,414 cases and 6,628 controls were included. Overall, significantly elevated digestive system cancer risk was associated CYP2C19 PM with OR of 1.66 (95%CI: 1.31–2.10, P<10−5) when all studies were pooled into the meta-analysis. There was strong evidence of heterogeneity (P = 0.006), which largely disappeared after stratification by cancer type. In the stratified analyses according to cancer type, ethnicity, control source and sample size, significantly increased risks were found. Conclusions In summary, our meta-analysis suggested that the PM phenotype caused by the variation on CYP2C19 gene is associated with increased risk of digestive system cancer, especially in East Asians.
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Yao L, Wang HC, Liu JZ, Xiong ZM. Quantitative assessment of the influence of cytochrome P450 2C19 gene polymorphisms and digestive tract cancer risk. Tumour Biol 2013; 34:3083-91. [DOI: 10.1007/s13277-013-0875-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Accepted: 05/16/2013] [Indexed: 12/14/2022] Open
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