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Sun YH, Chen LJ, Wang CH, Lee CY, Hsiao YH, Yang SF, Wang PH. Impact of LINC00673 genetic variants on uterine cervical cancer clinicopathologic characteristics. J Cancer 2023; 14:2529-2537. [PMID: 37670967 PMCID: PMC10475370 DOI: 10.7150/jca.86678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 08/06/2023] [Indexed: 09/07/2023] Open
Abstract
To date, no study delineates the relationships among the genetic variants of long intergenic noncoding RNA 673 (LINC00673) and uterine cervical carcinogenesis as well as clinicopathological parameters and 5 years survival of cervical cancer patients in Taiwan. Therefore, the involvement of LINC00673 polymorphisms in cervical cancer was investigated. Genotypic frequencies of three LINC00673 polymorphisms rs6501551, rs9914618 and rs11655237 were determined in 199 patients including 115 patients with invasive cancer, 84 with precancerous lesions, and 274 control females using real-time polymerase chain reaction. It revealed that LINC00673 polymorphisms were not found significantly related to development of cervical cancer. Cervical cancer patients with genotypes AG/GG in LINC00673 rs6501551 had more risk to have tumor diameter larger than 4 cm as compared to those with genotype AA (p=0.043). Cervical cancer patients with genotype GG in rs6501551 had worse 5 years survival as compared to those with genotypes AA/AG in multivariate analysis (hazard ratio: 4.70; p=0.097). However, only two patients exhibiting GG were noted, and one had mortality, another had no mortality. In conclusion, larger sample size needs to verify the associations of LINC00673 genetic variants with clinicopathological parameters and patient survival of cervical cancer for Taiwanese females.
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Affiliation(s)
- Yi-Hung Sun
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Obstetrics and Gynecology, Chi-Mei Foundation Medical Center, Tainan, Taiwan
| | - Liang-Jou Chen
- School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chun-Hao Wang
- Department of Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Chung-Yuan Lee
- Department of Obstetrics and Gynecology, Chiayi Chang Gung Memorial Hospital Chiayi, Taiwan
- Department of Nursing, Chang Gung University of Science and Technology, Chiayi Campus, Chiayi, Taiwan
| | - Yi-Hsuan Hsiao
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Obstetrics and Gynecology, Changhua Christian Hospital, Changhua, Taiwan
| | - Shun-Fa Yang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Po-Hui Wang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung, Taiwan
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2
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Chou YE, Hsieh MJ, Wang SS, Lin CY, Chen YY, Ho YC, Yang SF. The impact of receptor of advanced glycation end-products polymorphisms on prostate cancer progression and clinicopathological characteristics. J Cell Mol Med 2021; 25:10761-10769. [PMID: 34708514 PMCID: PMC8581310 DOI: 10.1111/jcmm.17025] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 10/12/2021] [Accepted: 10/15/2021] [Indexed: 12/12/2022] Open
Abstract
The receptor for advanced glycation end products (RAGE) overexpression was suggested to be associated with prostate cancer development and poor prognosis. In this study, we focused on the correlations between the clinicopathological characteristics and susceptibility of prostate cancer and RAGE single-nucleotide polymorphisms (SNPs). In 579 prostate cancer patients, the RAGE SNPs rs1800625, rs1800624, rs2070600 and rs184003 in patients with or without grade group upgrade were analysed with real-time polymerase chain reaction. The results demonstrated that the prostate cancer patients who carried the RAGE SNPs rs2070600 'GA' genotypic variants were significantly associated with lower risk to develop grade group upgrade. Moreover, patients with the RAGE rs1800625 'TC + CC' genotypic variants were associated with higher risk of perineural invasion. In 343 prostate cancer patients who carried the RAGE rs1800625 'TC + CC' genotype without grade group upgrade were correlated with higher risk of biochemical recurrence and perineural invasion. In the analysis of TCGA database, significant differences of the RAGE mRNA level were found between the normal controls and prostate cancer patients (p < 0.0001), and the pathologic stage N1 and N0 patients (p = 0.0027). The prostate cancer patients with high RAGE expression were associated with lower overall survival rate (p = 0.025). In conclusion, our results have revealed that the RAGE SNPs rs2070600 and rs1800625 were associated with the grade group upgrade of prostate cancer and clinical status. The RAGE polymorphisms may provide as a pivotal predictor to evaluate prostate cancer disease progression and prognosis.
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Affiliation(s)
- Ying-Erh Chou
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Ming-Ju Hsieh
- Oral Cancer Research Center, Changhua Christian Hospital, Changhua, Taiwan.,College of Medicine, National Chung Hsing University, Taichung, Taiwan.,Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Shian-Shiang Wang
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Division of Urology, Department of Surgery, Taichung Veterans General Hospital, Taichung, Taiwan.,Department of Applied Chemistry, National Chi Nan University, Nantou, Taiwan
| | - Chia-Yen Lin
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Division of Urology, Department of Surgery, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Yen-Yu Chen
- Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung, Taiwan
| | - Yung-Chuan Ho
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan.,Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung, Taiwan
| | - Shun-Fa Yang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
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3
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Genetic polymorphisms of proteasome subunit genes of the MHC-I antigen-presenting system are associated with cervical cancer in a Chinese Han population. Hum Immunol 2020; 81:445-451. [PMID: 32684411 DOI: 10.1016/j.humimm.2020.07.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 06/17/2020] [Accepted: 07/05/2020] [Indexed: 01/10/2023]
Abstract
Proteasome subunit beta types 8 and 9 (PSMB8, PSMB9) play critical roles in the human leukocyte antigen class I (HLA I)-presenting system. Studies have suggested that polymorphisms in the PSMB8 and PSMB9 genes may influence the immune functions of PSMB8 and PSMB9, and thus be associated with various human cancers. We investigated associations involving single nucleotide polymorphisms (SNPs) rs2071543 in PSMB8, rs1351383, rs17587 and rs2127675 in PSMB9 and risk of cervical intraepithelial neoplasia (CIN) and cervical cancer in a Chinese Han population. A total of 543 patients with CIN, 1008 patients with cervical cancer, and 1120 healthy individuals were enrolled. Agena MassArray was used for SNP genotyping of PSMB8 and PSMB9. Associations involving these SNPs and risk of CIN and cervical cancer were analysed. Our results showed that the PSMB8 T/T and T/G genotypes of rs2071543 may be associated with a higher risk of CIN (P = 0.011, OR = 1.35,95% CI: 1.07-1.70) and cervical cancer (P = 0.006, OR = 1.31, 95% CI: 1.08-1.59). For rs17587, the A allele (P = 0.001, OR = 1.303, 95% CI: 1.115-1.522), and the A/A and A/G genotypes (P = 0.001, OR = 1.36, 95% CI: 1.13-1.63) may be risk factors for cervical cancer. These results indicated that PSMB8 rs2071543 might influence susceptibility to CIN and cervical cancer, and PSMB9 rs17587 might influence cervical cancer susceptibility in a Chinese Han population.
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Bedoui SA, Barbirou M, Stayoussef M, Dallel M, Mokrani A, Makni L, Mezlini A, Bouhaouala-Zahar B, Yacoubi-Loueslati B, Almawi WY. Identification of novel advanced glycation end products receptor gene variants associated with colorectal cancer in Tunisians: A case-control study. Gene 2020; 754:144893. [PMID: 32544495 DOI: 10.1016/j.gene.2020.144893] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 06/02/2020] [Accepted: 06/08/2020] [Indexed: 12/14/2022]
Abstract
A central role for advanced glycation end products (AGE) and their receptor (RAGE) in the pathogenesis of multiple cancer types, including colorectal cancer (CRC) was reported. We investigated the association between CRC and rs2853807, rs77170610, rs184003, rs1035798, rs2070600, rs1800684, rs1800624, and rs1800625 RAGE gene (AGER) polymorphic variants. Study subjects comprised 293 CRC patients [186 colon cancer (CC) and 107 rectal cancer (RC)] patients), and 264 age-, gender-, BMI-, and ethnicity-matched controls. Minor allele frequency (MAF) of rs77170610 and rs1800625 were significantly lower, while MAF of rs1035798 was significantly higher in CRC patients compared to control subjects, which was associated with reduced and increased risk of CRC, respectively; MAF of the remaining variants was comparable between CRC patients and controls. Significant difference in the distribution of rs2853807 and rs77170610 genotypes was seen between CRC patients and controls, with both variants associated with decreased risk of CRC. Comparison of the distribution of minor allele-carrying genotypes in CC and RC patient subgroups revealed lack of significant difference in the distribution of these genotypes between the patient subgroups. In view of the lack of LD between rs2853807 and rs77170610 with other variants, six-locus (rs184003, rs1035798, rs2070600, rs1800684, rs1800624, rs1800625) haplotypes were constructed. Haplotype analysis did not identify any specific 6-locus AGER haplotype associated with CRC. In conclusion, AGER gene rs2853807 and rs77170610 variants rs77170610 are associated with altered risk of CRC in Tunisians, but with no discrimination between CC and RC types.
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Affiliation(s)
- Sinda A Bedoui
- Department of Biology, Faculty of Sciences of Tunis, Laboratory of Mycology Pathologies and Biomarkers, El Manar University, Tunis LR16ES05, Tunisia
| | - Mouadh Barbirou
- Department of Biology, Faculty of Sciences of Tunis, Laboratory of Mycology Pathologies and Biomarkers, El Manar University, Tunis LR16ES05, Tunisia; Laboratory of Venoms and Therapeutic Molecules, Pasteur Institute of Tunis, Tunisia
| | - Mouna Stayoussef
- Department of Biology, Faculty of Sciences of Tunis, Laboratory of Mycology Pathologies and Biomarkers, El Manar University, Tunis LR16ES05, Tunisia
| | - Meriem Dallel
- Laboratory of Human Genome and Multifactorial Diseases (LR12ES07), University of Monastir, Monastir, Tunisia
| | - Amina Mokrani
- Salah Azaiez Oncology Institute, Avenue 9 Avril, 1006, Bab Saadoun, Tunis, Tunisia
| | - Lamia Makni
- Department of Biology, Faculty of Sciences of Tunis, Laboratory of Mycology Pathologies and Biomarkers, El Manar University, Tunis LR16ES05, Tunisia
| | - Amel Mezlini
- Salah Azaiez Oncology Institute, Avenue 9 Avril, 1006, Bab Saadoun, Tunis, Tunisia
| | - Balkiss Bouhaouala-Zahar
- Laboratory of Venoms and Therapeutic Molecules, Pasteur Institute of Tunis, Tunisia; Medical School of Tunis, University of Tunis El Manar, 15 rue Djebel Lakhdhar, La Rabta, 1007 Tunis, Tunisia
| | - Besma Yacoubi-Loueslati
- Department of Biology, Faculty of Sciences of Tunis, Laboratory of Mycology Pathologies and Biomarkers, El Manar University, Tunis LR16ES05, Tunisia
| | - Wassim Y Almawi
- Department of Biology, Faculty of Sciences of Tunis, Laboratory of Mycology Pathologies and Biomarkers, El Manar University, Tunis LR16ES05, Tunisia; College of Health Sciences, Abu Dhabi University, Abu Dhabi, United Arab Emirates.
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5
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Weng SL, Ng SC, Lee YC, Hsiao YH, Hsu CF, Yang SF, Wang PH. The relationships of genetic polymorphisms of the long noncoding RNA growth arrest-specific transcript 5 with uterine cervical cancer. Int J Med Sci 2020; 17:1187-1195. [PMID: 32547314 PMCID: PMC7294910 DOI: 10.7150/ijms.44583] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 05/02/2020] [Indexed: 12/17/2022] Open
Abstract
The purposes of the investigation were to examine the implications of long noncoding RNA growth arrest-specific transcript 5 (GAS5) in progression and clinicopathological factors of uterine cervical cancer, and patient survival in Taiwan. Genotypic distributions of two GAS5 genetic variants rs145204276 and rs55829688 were detected in 208 patients including 111 patients with invasive cancer, 97 with precancerous lesions as well as 307 control women using real-time polymerase chain reaction. It explored that patients with cervical precancerous lesion had lower rate of AGGCA deletion (Del) in both alleles (Del/Del) of GAS5 rs145204276 as compared with control women. Patients with invasive cancer did not exhibit higher rate of Del/Del. Meanwhile, there were no different genotypic distributions in rs55829688 among patients with cervical invasive cancer and those with precancerous lesions as well as control women. Moreover, cervical cancer patients with Ins (insertion, AGGCA)/Del and Del/Del (-/-) in GAS5 rs55829688 tended to have poorer hazard ratio (HR) of 5 years survival. In addition, lymph node metastasis status exerted the most significantly predictive of 5 years survival rate. Conclusively, GAS5 polymorphism rs145204276 is probably applicable to predict 5 years survival HR of cervical cancer patients. However, the mechanism elucidating the methylation status and transcription function of rs145204276 in uterine cervical cancer needs to be delineated for its unique implication in uterine cervical cancer.
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Affiliation(s)
- Shun-Long Weng
- Department of Obstetrics and Gynaecology, Hsinchu Mackay Memorial Hospital, Hsinchu City, Taiwan.,Department of Medicine, Mackay Medical College, New Taipei City, Taiwan.,Mackay Junior College of Medicine, Nursing and Management College, Taipei, Taiwan
| | - Soo-Cheen Ng
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Yueh-Chun Lee
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Radiation Oncology, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Yi-Hsuan Hsiao
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Obstetrics and Gynecology, Changhua Christian Hospital, Changhua, Taiwan
| | - Chun-Fang Hsu
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Shun-Fa Yang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Po-Hui Wang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
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6
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Xu Y, Lu Z, Shen N, Wang X. Association of RAGE rs1800625 Polymorphism and Cancer Risk: A Meta-Analysis of 18 Case-Control Studies. Med Sci Monit 2019; 25:7026-7034. [PMID: 31534114 PMCID: PMC6765339 DOI: 10.12659/msm.916260] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Background Accumulating evidence suggests that the rs1800625 polymorphism in RAGE promoter region might be associated with cancer risk; however, data from different studies show conflicting results. Here, a meta-analysis was conducted to evaluate the associations between RAGE rs1800625 polymorphism and cancer risk. Material/Methods We searched Embase (Excerpt Medica Database), PubMed, and CNKI (Chinese National Knowledge Infrastructure) databases until March 15, 2019 to identify potential studies for the meta-analysis. Results Eighteen eligible studies were included in the current meta-analysis, representing 6246 cases and 6819 controls. Pooled analysis showed positive correlation between the RAGE rs1800625 polymorphism and susceptibility of cancer in recessive genetic model [CC versus TC+TT: odds ratio (OR)=1.397, 95% confidence interval (CI): 1.031–1.894, P=0.031]. Subgroup analysis revealed this association in the Asian, but not Caucasian population, and this correlation was not detected in either breast or lung cancer. Sensitivity analysis indicated unstable results, which should be interpreted with caution. No publication bias was observed. Conclusions In conclusion, the RAGE rs1800625 polymorphism was associated with increased overall cancer risk in Asians in recessive genetic model. However, large-scale and well-designed studies in different populations and diverse cancer types are needed for a precise conclusion.
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Affiliation(s)
- Yuzhong Xu
- Department of Clinical Laboratory, Shenzhen Baoan Hospital, Southern Medical University, Shenzhen, Guangdong, China (mainland)
| | - Zhenhua Lu
- Department of Clinical Laboratory, Hubei Provincial Hospital of Traditional Chinese Medicine, Wuhan, Hubei, China (mainland).,Hubei Province Academy of Traditional Chinese Medicine, Wuhan, Hubei, China (mainland)
| | - Na Shen
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science, Wuhan, Hubei, China (mainland)
| | - Xiong Wang
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science, Wuhan, Hubei, China (mainland)
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7
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Hung WC, Wu TF, Ng SC, Lee YC, Shen HP, Yang SF, Wang PH. Involvement of endothelial nitric oxide synthase gene variants in the aggressiveness of uterine cervical cancer. J Cancer 2019; 10:2594-2600. [PMID: 31258766 PMCID: PMC6584934 DOI: 10.7150/jca.33192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 05/10/2019] [Indexed: 12/14/2022] Open
Abstract
To date, few studies explore the involvement of endothelial nitric oxide synthase (eNOS) gene variants in uterine cervical cancer. Therefore, we conducted this study to assess the clinical implication of eNOS in cervical carcinogenesis, clinicopathological characteristics and patient survival. One hundred and seventeen patients with cervical invasive cancer and 95 with preinvasive lesions and 330 control women were consecutively enrolled. Real time polymerase chain reaction was used to examine the genotypic distributions of eNOS single nucleotide polymorphisms (SNPs) rs1799983 (894G>T) at the exon 7 region and rs2070744 (-786T>C) at the promoter region. Our results indicated no significant associations among genotypic distributions of eNOS SNPs and patients with cervical invasive cancer and those with preinvasive lesions as well as normal controls. However, cervical cancer patients with genotypes TC/CC in eNOS SNP rs2070744 carried less risk of advanced stage [odds ratios (OR) = 0.30, 95% confidence interval (CI)=0.09-0.97, p=0.036], parametrium invasion (OR=0.16, 95% CI=0.02-0.75, p=0.009) and pelvic lymph node metastasis (OR=0.12, 95% CI=0.01-0.89, p=0.016). In conclusion, although eNOS SNPs rs2070744 and rs1799983 do not display significant associations with cervical carcinogenesis and patient survival, cervical cancer patients with genotypes TC/CC in rs2070744 carry less risk of advanced stage, parametrium invasion and pelvic lymph node metastasis in Taiwan.
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Affiliation(s)
- Wei-Chen Hung
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Ting-Feng Wu
- Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Soo-Cheen Ng
- Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Yueh-Chun Lee
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Radiation Oncology Department, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Huang-Pin Shen
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Shun-Fa Yang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Po-Hui Wang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan
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Hu W, Tang CH, Chen HT, Zhao J, Jin L, Kang L, Wu Y, Ying P, Wang CQ, Su CM. Correlations between angiopoietin-2 gene polymorphisms and lung cancer progression in a Chinese Han population. J Cancer 2019; 10:2935-2941. [PMID: 31281470 PMCID: PMC6590031 DOI: 10.7150/jca.31134] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 04/22/2019] [Indexed: 12/23/2022] Open
Abstract
Lung cancer is the most common malignancy in China and is associated with a poor survival rate amongst Han Chinese. The high mortality is largely attributed to late-stage diagnosis, when treatment is largely ineffective. Identification of genetic variants could potentially assist with earlier diagnosis and thus more effective treatment. The development and progression of lung cancer is stimulated by angiopoietin-2 (Ang2), a ligand for Tie2, an endothelial tyrosine kinase. Patients with lung cancer with higher serum Ang2 levels have significantly poorer survival than patients with lower serum Ang2 levels. We explored the effects of Ang2 single nucleotide polymorphisms (SNPs) on lung cancer susceptibility. We used lung cancer tissue and serum samples to measure Ang2 expression in a Chinese Han population. Five Ang2 SNPs (rs2442598, rs734701, rs1823375, 11137037, and rs12674822) were analyzed using TaqMan SNP genotyping in 695 patients with lung cancer and 900 cancer-free controls. Carriers of the variant GT allele of rs12674822 had a higher risk of lung cancer than wild-type (GG) carriers, while the presence of the CC genotype at rs11137037 was associated with higher clinical stage disease compared with having the AA genotype. Our study is the first to document a correlation between Ang2 polymorphisms and lung cancer development and progression in people of Chinese Han ethnicity.
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Affiliation(s)
- Weiwei Hu
- Department of Thoracic Surgery, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang, Zhejiang, China
| | - Chih-Hsin Tang
- School of Medicine, China Medical University, Taichung, Taiwan.,Chinese Medicine Research Center, China Medical University, Taichung, Taiwan.,Department of Biotechnology, College of Health Science, Asia University, Taichung, Taiwan
| | - Hsien-Te Chen
- Department of Sports Medicine, College of Health Care, China Medical University, Taichung, Taiwan.,Department of Orthopaedic Surgery, China Medical University Hospital, Taichung, Taiwan
| | - Jin Zhao
- Department of Biomedical Sciences Laboratory, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang, Zhejiang, China
| | - Lulu Jin
- Department of Biomedical Sciences Laboratory, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang, Zhejiang, China
| | - Le Kang
- Department of Biomedical Sciences Laboratory, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang, Zhejiang, China
| | - Yueming Wu
- Department of Thoracic Surgery, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang, Zhejiang, China
| | - Pengqing Ying
- Department of Thoracic Surgery, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang, Zhejiang, China
| | - Chao-Qun Wang
- Department of Pathology, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang, Zhejiang, China
| | - Chen-Ming Su
- Department of Biomedical Sciences Laboratory, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang, Zhejiang, China
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