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Jeong MS, Mun JY, Yang GE, Kim MH, Lee SY, Choi YH, Kim HS, Nam JK, Kim TN, Leem SH. Exploring the Relationship between CLPTM1L-MS2 Variants and Susceptibility to Bladder Cancer. Genes (Basel) 2023; 15:50. [PMID: 38254939 PMCID: PMC10815179 DOI: 10.3390/genes15010050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/22/2023] [Accepted: 12/26/2023] [Indexed: 01/24/2024] Open
Abstract
CLPTM1L (Cleft Lip and Palate Transmembrane Protein 1-Like) has previously been implicated in tumorigenesis and drug resistance in cancer. However, the genetic link between CLPTM1L and bladder cancer remains uncertain. In this study, we investigated the genetic association of variable number of tandem repeats (VNTR; minisatellites, MS) regions within CLPTM1L with bladder cancer. We identified four CLPTM1L-MS regions (MS1~MS4) located in intron regions. To evaluate the VNTR polymorphic alleles, we analyzed 441 cancer-free controls and 181 bladder cancer patients. Our analysis revealed a higher frequency of specific repeat sizes within the MS2 region in bladder cancer cases compared to controls. Notably, 25 and 27 repeats were exclusively present in the bladder cancer group. Moreover, rare alleles within the medium-length repeat range (25-29 repeats) were associated with an elevated bladder cancer risk (odds ratio [OR] = 5.78, 95% confidence interval [CI]: 1.49-22.47, p = 0.004). We confirmed that all MS regions followed Mendelian inheritance, and demonstrated that MS2 alleles increased CLPTM1L promoter activity in the UM-UC3 bladder cancer cells through a luciferase assay. Our findings propose the utility of CLPTM1L-MS regions as DNA typing markers, particularly highlighting the potential of middle-length rare alleles within CLPTM1L-MS2 as predictive markers for bladder cancer risk.
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Affiliation(s)
- Mi-So Jeong
- Department of Biomedical Sciences, Dong-A University, Busan 49315, Republic of Korea; (M.-S.J.); (J.-Y.M.); (G.-E.Y.); (M.-H.K.)
- Research Center, Dongnam Institute of Radiological & Medical Sciences (DIRAMS), Busan 46033, Republic of Korea
| | - Jeong-Yeon Mun
- Department of Biomedical Sciences, Dong-A University, Busan 49315, Republic of Korea; (M.-S.J.); (J.-Y.M.); (G.-E.Y.); (M.-H.K.)
| | - Gi-Eun Yang
- Department of Biomedical Sciences, Dong-A University, Busan 49315, Republic of Korea; (M.-S.J.); (J.-Y.M.); (G.-E.Y.); (M.-H.K.)
- Department of Health Sciences, The Graduated of Dong-A University, Busan 49315, Republic of Korea
| | - Min-Hye Kim
- Department of Biomedical Sciences, Dong-A University, Busan 49315, Republic of Korea; (M.-S.J.); (J.-Y.M.); (G.-E.Y.); (M.-H.K.)
| | - Sang-Yeop Lee
- Research Center for Bioconvergence Analysis, Korea Basic Science Institute, Ochang 28119, Republic of Korea;
| | - Yung Hyun Choi
- Department of Biochemistry, College of Oriental Medicine, Anti-Aging Research Center, Dong-eui University, Busan 47227, Republic of Korea;
| | - Heui Soo Kim
- Department of Biological Sciences, College of Natural Sciences, Pusan National University, Busan 46241, Republic of Korea;
| | - Jong-Kil Nam
- Department of Urology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Yangsan 50612, Republic of Korea;
| | - Tae Nam Kim
- Department of Urology, Pusan National University Hospital, Pusan National University School of Medicine, Biomedical Research Institute and Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Sun-Hee Leem
- Department of Biomedical Sciences, Dong-A University, Busan 49315, Republic of Korea; (M.-S.J.); (J.-Y.M.); (G.-E.Y.); (M.-H.K.)
- Department of Health Sciences, The Graduated of Dong-A University, Busan 49315, Republic of Korea
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Vilkeviciute A, Gedvilaite G, Banevicius M, Kriauciuniene L, Zaliuniene D, Dobiliene O, Liutkeviciene R. Relative Leukocyte Telomere Length and Genetic Variants in Telomere-Related Genes and Serum Levels Role in Age-Related Macular Degeneration. Cells 2022; 11:cells11233847. [PMID: 36497103 PMCID: PMC9740443 DOI: 10.3390/cells11233847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 12/05/2022] Open
Abstract
Telomere shortening is well known to be associated with ageing. Age is the most decisive risk factor for age-related macular degeneration (AMD) development. The older the individual, the higher the AMD risk. For this reason, we aimed to find any associations between telomere length, distribution of genetic variants in telomere-related genes (TERT, TERT-CLPTM1, TRF1, TRF2, and TNKS2), and serum TERF-1 and TERF2 levels on AMD development. METHODS Our study enrolled 342 patients with AMD and 177 healthy controls. Samples of DNA from peripheral blood leukocytes were extracted by DNA salting-out method. The genotyping of TERT rs2736098, rs401681 in TERT-CLPTM1 locus, TRF1 rs1545827, rs10107605, TNKS2 rs10509637, rs10509639, and TRF2 rs251796 and relative leukocyte telomere length (T/S) measurement were carried out using the real-time polymerase chain reaction method. Serum TERF-1 and TERF2 levels were measured by enzymatic immunoassay (ELISA). RESULTS We found longer telomeres in early AMD patients compared to the control group. Additionally, we revealed that minor allele C at TRF1 rs10107605 was associated with decreases the odds of both early and exudative AMD. Each minor allele G at TRF2 rs251796 and TRF1 rs1545827 C/T genotype and C/T+T/T genotypes, compared to the C/C genotype, increases the odds of having shorter telomeres. Furthermore, we found elevated TERF1 serum levels in the early AMD group compared to the control group. CONCLUSIONS In conclusion, these results suggest that relative leukocyte telomere length and genetic variants of TRF1 and TRF2 play a role in AMD development. Additionally, TERF1 is likely to be associated with early AMD.
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Affiliation(s)
- Alvita Vilkeviciute
- Laboratory of Ophthalmology, Neuroscience Institute, Medical Academy, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania
| | - Greta Gedvilaite
- Laboratory of Ophthalmology, Neuroscience Institute, Medical Academy, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania
- Correspondence:
| | - Mantas Banevicius
- Department of Ophthalmology, Medical Academy, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania
| | - Loresa Kriauciuniene
- Laboratory of Ophthalmology, Neuroscience Institute, Medical Academy, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania
- Department of Ophthalmology, Medical Academy, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania
| | - Dalia Zaliuniene
- Department of Ophthalmology, Medical Academy, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania
| | - Olivija Dobiliene
- Department of Cardiology, Medical Academy, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania
| | - Rasa Liutkeviciene
- Laboratory of Ophthalmology, Neuroscience Institute, Medical Academy, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania
- Department of Ophthalmology, Medical Academy, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania
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El Menshawy N, El-Ashwah S, Ebrahim MA, Mortada MI, Ramez A, Attia DM. TERT Genotype Polymorphism: A Glance of Change Egyptian MDS Outcomes. Asian Pac J Cancer Prev 2021; 22:1547-1555. [PMID: 34048184 PMCID: PMC8408390 DOI: 10.31557/apjcp.2021.22.5.1547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Indexed: 12/02/2022] Open
Abstract
Background: Myelodysplastic Syndromes (MDS)are clonal hematologic disorders characterized by genetic instability and ineffective hematopoiesis associated with telomere dysfunction. We aimed at investigating the association between the rs2242652 single nucleotide variant of the TERT gene and susceptibility for MDS, as well as its prognostic impact and relation to disease phenotype. Methods: Genotyping analysis was carried on 100 MDS patients recruited at Mansoura Oncology center, in addition to 100 healthy subjects for detection of rs2242652 variant of TERT gene on chromosome 5 by real time PCR following the protocol of Custom TaqMan® SNP Genotyping. Results: The rs2242652 TERT genetic polymorphism was associated with an increased risk of MDS (odds ratios 2.6 for genotype GA, 6.4 for genotype AA). The majority of AA homozygous mutant variant were associated pancytopenia (88%), poor risk cytogenetics (92%) and High/very high IPSS-R score (88%). At the end of follow-up (median 30 months), 14% of the cases transformed to secondary AML. The rate of leukemic transformation was significantly associated with the mutant AA genotype (93% of transformed cases, 52% of AA genotype cases; P< 0.0001). Survival outcome was inferior in AA mutant genotype (median 14 months, 95% CI: 12-16 months) to the GA genotype (median 30 months, 95% CI: 26-33 months) and those of the GG genotype (median not reached), P<0.001. Conclusion: Our study shows an intriguing and previously unrecognized association between rs2242652 TERT mutation and MDS risk. The presence of rs2242652 mutation defines a subgroup of patients with aggressive disease phenotype and dismal outcome. Further research is recommended to elucidate underlying pathologic mechanisms and to define an efficient therapeutic target.
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Affiliation(s)
- Nadia El Menshawy
- Department of Clinical Pathology, Hematology Unit, Faculty of Medicine, Mansoura University, Egypt
| | - Shaimaa El-Ashwah
- Clinical Hematology Unit, Department of Internal Medicine, Faculty of Medicine, Mansoura University, Egypt
| | - Mohamed A Ebrahim
- Medical Oncology Unit, Department of Internal Medicine, Faculty of Medicine, Mansoura University, Egypt
| | - Metwally Ibrahem Mortada
- Department of Clinical Pathology, Hematology Unit, Faculty of Medicine, Mansoura University, Egypt
| | - Ahmed Ramez
- Medical Oncology Unit, Department of Internal Medicine, Faculty of Medicine, Mansoura University, Egypt
| | - Doaa M Attia
- Department of Clinical Pathology, Hematology Unit, Faculty of Medicine, Mansoura University, Egypt
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Aoki MN, Stein A, de Oliveira JC, Chammas R, Uno M, Munhoz FBDA, Marin AM, Canzian F. Susceptibility loci for pancreatic cancer in the Brazilian population. BMC Med Genomics 2021; 14:111. [PMID: 33879152 PMCID: PMC8056496 DOI: 10.1186/s12920-021-00956-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 04/08/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Pancreatic adenocarcinoma (PA) is a very aggressive cancer and has one of the poorest prognoses. Usually, the diagnosis is late and resistant to conventional treatment. Environmental and genetic factors contribute to the etiology, such as tobacco and alcohol consumption, chronic pancreatitis, diabetes and obesity. Somatic mutation in pancreatic cancer cells are known and SNP profile by GWAS could access novel genetic risk factors for this disease in different population context. Here we describe a SNP panel for Brazilian pancreatic cancer, together with clinical and epidemiological data. METHODS 78 pancreatic adenocarcinoma and 256 non-pancreatic cancer subjects had 25 SNPs genotyped by real-time PCR. Unconditional logistic regression methods were used to assess the main effects on PA risk, using allelic, co-dominant and dominant inheritance models. RESULTS 9 SNPs were nominally associated with pancreatic adenocarcinoma risk, with 5 of the minor alleles conferring protective effect while 4 related as risk factor. In epidemiological and clinical data, tobacco smoking, diabetes and pancreatitis history were significantly related to pancreatic adenocarcinoma risk. Polygenic risk scores computed using the SNPs in the study showed strong associations with PA risk. CONCLUSION We could assess for the first time some SNPs related with PA in Brazilian populations, a result that could be used for genetic screening in risk population such as familial pancreatic cancer, smokers, alcohol users and diabetes patients.
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Affiliation(s)
- Mateus Nóbrega Aoki
- Laboratory for Applied Science and Technology in Health, Carlos Chagas Institute, Oswaldo Cruz Foundation (Fiocruz), Curitiba, PR, Brazil.
| | - Angelika Stein
- Genomic Epidemiology Group, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Roger Chammas
- Departamento de Radiologia E Oncologia, Centro de Investigação Translacional Em Oncologia, Instituto Do Câncer Do Estado de São Paulo (ICESP), Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, Brasil
| | - Miyuki Uno
- Departamento de Radiologia E Oncologia, Centro de Investigação Translacional Em Oncologia, Instituto Do Câncer Do Estado de São Paulo (ICESP), Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, Brasil
| | - Francielle Boçon de Araújo Munhoz
- Laboratory for Applied Science and Technology in Health, Carlos Chagas Institute, Oswaldo Cruz Foundation (Fiocruz), Curitiba, PR, Brazil
| | - Anelis Maria Marin
- Laboratory for Applied Science and Technology in Health, Carlos Chagas Institute, Oswaldo Cruz Foundation (Fiocruz), Curitiba, PR, Brazil
| | - Federico Canzian
- Genomic Epidemiology Group, German Cancer Research Center (DKFZ), Heidelberg, Germany
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Banevicius M, Gedvilaite G, Vilkeviciute A, Kriauciuniene L, Zemaitiene R, Liutkeviciene R. Association of relative leukocyte telomere length and genetic variants in telomere-related genes ( TERT, TERT-CLPTM1, TRF1, TNKS2, TRF2) with atrophic age-related macular degeneration. Ophthalmic Genet 2021; 42:189-194. [PMID: 33565341 DOI: 10.1080/13816810.2021.1881976] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Background: In an experimental model, telomere shortening inhibits neovascularization. It is thus possible that telomere shortening might have a role in the pathogenesis of geographic atrophy in case of age-related macular degeneration (AMD). This is why we aimed to find any associated differences of telomere length and genetic variants in telomere-related genes (TERT, TERT-CLPTM1, TRF1, TNKS2, and TRF2) in patients with atrophic AMD compared to healthy controls.Methods: The study enrolled patients with atrophic AMD (n = 56) and healthy (n = 73) controls. Samples of DNA from peripheral blood leukocytes were extracted by DNA salting-out method. The genotyping of TERT rs2736098, rs401681 in TERT-CLPTM1 locus, TRF1 rs1545827, rs10107605, TNKS2 rs10509637, rs10509639, and TRF2 rs251796 and relative leukocyte telomere length (T/S) measurement were carried out using a real-time polymerase chain reaction method. The results were assessed using the statistical analysis method of "IBM SPSS Statistics 20.0".Results: We found statistically significantly higher T/S in atrophic AMD patients than in healthy controls (T/S, median (IQR): 1.638 (1.110) vs. 0.764 (0.801), p < .001). Also, statistically significant differences were found in TRF1 rs10107605 allele (A and C) distributions between the atrophic AMD and control groups (88.36% and 11.64% vs. 95.54% and 4.46%, respectively, p = .041), as well as between the short telomere and long telomere groups (86.92% and 13.08% vs. 96.09% and 3.91%, respectively, p = .008).Conclusions: Our research revealed the leukocyte telomere length having a role in atrophic AMD development, also the association between TRF1 rs10107605 and the telomere length.
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Affiliation(s)
- Mantas Banevicius
- Department of Ophthalmology, Lithuanian University of Health Sciences, Medical Academy, Lithuania
| | - Greta Gedvilaite
- Neuroscience Institute, Lithuanian University of Health Sciences, Medical Academy, Kaunas, Lithuania
| | - Alvita Vilkeviciute
- Department of Ophthalmology, Lithuanian University of Health Sciences, Medical Academy, Lithuania
| | - Loresa Kriauciuniene
- Department of Ophthalmology, Lithuanian University of Health Sciences, Medical Academy, Lithuania.,Neuroscience Institute, Lithuanian University of Health Sciences, Medical Academy, Kaunas, Lithuania
| | - Reda Zemaitiene
- Neuroscience Institute, Lithuanian University of Health Sciences, Medical Academy, Kaunas, Lithuania
| | - Rasa Liutkeviciene
- Department of Ophthalmology, Lithuanian University of Health Sciences, Medical Academy, Lithuania.,Neuroscience Institute, Lithuanian University of Health Sciences, Medical Academy, Kaunas, Lithuania
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Sarıman M, Abacı N, Sırma Ekmekçi S, Çakiris A, Perçin Paçal F, Üstek D, Ayer M, Yenerel MN, Beşışık S, Çefle K, Palandüz Ş, Öztürk Ş. Investigation of Gene Expressions of Myeloma Cells in the Bone Marrow of Multiple Myeloma Patients by Transcriptome Analysis. Balkan Med J 2018; 36:23-31. [PMID: 30079703 PMCID: PMC6335938 DOI: 10.4274/balkanmedj.2018.0356] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Background: Multiple myeloma is a plasma cell dyscrasia characterized by transformation of B cells into malignant cells. Although there are data regarding the molecular pathology of multiple myeloma, the molecular mechanisms of the disease have not been fully elucidated. Aims: To investigate the gene expression profiles in bone marrow myeloma cells via RNA-sequencing technology. Study Design: Cell study. Methods: Myeloma cells from four patients with untreated multiple myeloma and B cells from the bone marrow of four healthy donors were sorted using a FACSAria II flow cytometer. The patient pool of myeloma cells and the control pool of B cells were the two comparative groups. A transcriptome analysis was performed and the results were analyzed using bioinformatics tools. Results: In total, 18.806 transcripts (94.4%) were detected in the pooled multiple myeloma patient cells. A total of 992 regions were detected as new exon candidates or alternative splicing regions. In addition, 490 mutations (deletions or insertions), 1.397 single nucleotide variations, 415 fusion transcripts, 132 frameshift mutations, and 983 fusions, which were reported before in the National Center for Biotechnology Information, were detected with unknown functions in patients. A total of 35.268 transcripts were obtained (71%) (25.355 transcripts were defined previously) in the control pool. In this preliminary study, the first 50 genes were analyzed with the MSigDB, Enrichr, and Panther gene set enrichment analysis programs. The molecular functions, cellular components, pathways, and biological processes of the genes were obtained and statistical values were determined using bioinformatics tools and are presented as a supplemental file. Conclusion: EEF1G, ITM2C, FTL, CLPTM1L, and CYBA are identified as possible candidate genes associated with myelomagenesis.
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Affiliation(s)
- Melda Sarıman
- Department of Genetics, İstanbul University, Aziz Sancar Experimental Medical Research Institute, İstanbul, Turkey
| | - Neslihan Abacı
- Department of Genetics, İstanbul University, Aziz Sancar Experimental Medical Research Institute, İstanbul, Turkey
| | - Sema Sırma Ekmekçi
- Department of Genetics, İstanbul University, Aziz Sancar Experimental Medical Research Institute, İstanbul, Turkey
| | - Aris Çakiris
- Department of Genetics, İstanbul University, Aziz Sancar Experimental Medical Research Institute, İstanbul, Turkey
| | - Ferda Perçin Paçal
- Department of Genetics, İstanbul University, Aziz Sancar Experimental Medical Research Institute, İstanbul, Turkey
| | - Duran Üstek
- Department of Genetics, İstanbul University, Aziz Sancar Experimental Medical Research Institute, İstanbul, Turkey
| | - Mesut Ayer
- Clinic of Hematology, İstanbul Haseki Training and Research Hospital, İstanbul, Turkey
| | - Mustafa Nuri Yenerel
- Department of Hematology, İstanbul Universiy İstanbul School of Medicine, İstanbul, Turkey
| | - Sevgi Beşışık
- Department of Internal Medicine, İstanbul Universiy İstanbul School of Medicine, İstanbul, Turkey
| | - Kıvanç Çefle
- Department of Internal Medicine, Division of Medical Genetics, İstanbul Universiy İstanbul School of Medicine, İstanbul, Turkey
| | - Şükrü Palandüz
- Department of Internal Medicine, Division of Medical Genetics, İstanbul Universiy İstanbul School of Medicine, İstanbul, Turkey
| | - Şükrü Öztürk
- Department of Internal Medicine, Division of Medical Genetics, İstanbul Universiy İstanbul School of Medicine, İstanbul, Turkey
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Lee HW, Park WJ, Heo YR, Park TI, Park SY, Lee JH. TERT-CLPTM1 locus polymorphism (rs401681) is associated with the prognosis of hepatocellular carcinoma. Onco Targets Ther 2017; 10:4853-4858. [PMID: 29042796 PMCID: PMC5633313 DOI: 10.2147/ott.s138956] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Telomere length is associated with the development of hepatocellular carcinoma (HCC), and recent studies have focused on the genetic alteration or polymorphism in telomere-maintaining genes. We examined the clinicopathologic and prognostic value of rs401681 polymorphism, located in the TERT-CLPTM1L locus, in HCC. The relationship between rs401681 variants and telomere length was also analyzed in 156 HCC patients. The rs401681 polymorphism had the following genotype frequencies: C/C in 51.3% of the samples, C/T in 39.7%, and T/T in 9.0%. Telomeres in the tumor samples were 4.04-fold longer, on average, than the telomeres in matched normal samples (SD =1.32), and there were no differences in telomere length according to rs401681 polymorphism (p=0.802). Our results indicate that the rs401681 C allele was significantly associated with increased T and International Union for Cancer Control stages (p<0.01). Univariate and multivariate survival analyses showed that HCC with C allele had poorer prognosis (p<0.01). In conclusion, our findings suggest that rs401681 is a possible prognostic biomarker for HCC patients.
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Affiliation(s)
- Hye Won Lee
- Department of Pathology, Keimyung University School of Medicine, Daegu, Republic of Korea
| | - Won-Jin Park
- Department of Anatomy, Keimyung University School of Medicine, Daegu, Republic of Korea
| | - Yu-Ran Heo
- Department of Anatomy, Keimyung University School of Medicine, Daegu, Republic of Korea
| | - Tae In Park
- Department of Pathology, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Soo Young Park
- Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Jae-Ho Lee
- Department of Anatomy, Keimyung University School of Medicine, Daegu, Republic of Korea
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8
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Lindström S, Finucane H, Bulik-Sullivan B, Schumacher FR, Amos CI, Hung RJ, Rand K, Gruber SB, Conti D, Permuth JB, Lin HY, Goode EL, Sellers TA, Amundadottir LT, Stolzenberg-Solomon R, Klein A, Petersen G, Risch H, Wolpin B, Hsu L, Huyghe JR, Chang-Claude J, Chan A, Berndt S, Eeles R, Easton D, Haiman CA, Hunter DJ, Neale B, Price AL, Kraft P. Quantifying the Genetic Correlation between Multiple Cancer Types. Cancer Epidemiol Biomarkers Prev 2017; 26:1427-1435. [PMID: 28637796 PMCID: PMC5582139 DOI: 10.1158/1055-9965.epi-17-0211] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 05/03/2017] [Accepted: 06/06/2017] [Indexed: 01/01/2023] Open
Abstract
Background: Many cancers share specific genetic risk factors, including both rare high-penetrance mutations and common SNPs identified through genome-wide association studies (GWAS). However, little is known about the overall shared heritability across cancers. Quantifying the extent to which two distinct cancers share genetic origin will give insights to shared biological mechanisms underlying cancer and inform design for future genetic association studies.Methods: In this study, we estimated the pair-wise genetic correlation between six cancer types (breast, colorectal, lung, ovarian, pancreatic, and prostate) using cancer-specific GWAS summary statistics data based on 66,958 case and 70,665 control subjects of European ancestry. We also estimated genetic correlations between cancers and 14 noncancer diseases and traits.Results: After adjusting for 15 pair-wise genetic correlation tests between cancers, we found significant (P < 0.003) genetic correlations between pancreatic and colorectal cancer (rg = 0.55, P = 0.003), lung and colorectal cancer (rg = 0.31, P = 0.001). We also found suggestive genetic correlations between lung and breast cancer (rg = 0.27, P = 0.009), and colorectal and breast cancer (rg = 0.22, P = 0.01). In contrast, we found no evidence that prostate cancer shared an appreciable proportion of heritability with other cancers. After adjusting for 84 tests studying genetic correlations between cancer types and other traits (Bonferroni-corrected P value: 0.0006), only the genetic correlation between lung cancer and smoking remained significant (rg = 0.41, P = 1.03 × 10-6). We also observed nominally significant genetic correlations between body mass index and all cancers except ovarian cancer.Conclusions: Our results highlight novel genetic correlations and lend support to previous observational studies that have observed links between cancers and risk factors.Impact: This study demonstrates modest genetic correlations between cancers; in particular, breast, colorectal, and lung cancer share some degree of genetic basis. Cancer Epidemiol Biomarkers Prev; 26(9); 1427-35. ©2017 AACR.
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Affiliation(s)
- Sara Lindström
- Department of Epidemiology, University of Washington, Seattle, Washington.
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Hilary Finucane
- Program in Genetic Epidemiology and Statistical Genetics, Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Department of Mathematics, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Brendan Bulik-Sullivan
- The Analytic and Translational Genetics Unit, Massachusetts General Hospital, Boston, Massachusetts
| | - Fredrick R Schumacher
- Department of Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, Ohio
- Seidman Cancer Center, University Hospitals, Cleveland, Ohio
| | - Christopher I Amos
- Department of Community and Family Medicine, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
| | - Rayjean J Hung
- Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, Ontario, Canada
| | - Kristin Rand
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Stephen B Gruber
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - David Conti
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Jennifer B Permuth
- Department of Cancer Epidemiology, Moffitt Cancer Center and Research Institute, Tampa, Florida
- Department of Gastrointestinal Oncology, Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Hui-Yi Lin
- Department of Biostatistics and Bioinformatics, Moffitt Cancer Center, Tampa, Florida
| | - Ellen L Goode
- Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, Minnesota
| | - Thomas A Sellers
- Department of Cancer Epidemiology, Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Laufey T Amundadottir
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, U.S. Department of Health and Human Services, Bethesda, Maryland
| | - Rachael Stolzenberg-Solomon
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, U.S. Department of Health and Human Services, Bethesda, Maryland
| | - Alison Klein
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins School of Medicine, Baltimore, Maryland
- Department of Pathology, Sol Goldman Pancreatic Cancer Research Center, Johns Hopkins School of Medicine, Baltimore, Maryland
| | - Gloria Petersen
- Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, Minnesota
| | - Harvey Risch
- Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, Connecticut
| | - Brian Wolpin
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Li Hsu
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Jeroen R Huyghe
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Jenny Chang-Claude
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- University Cancer Center Hamburg (UCCH), University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Andrew Chan
- Division of Gastroenterology, Massachusetts General Hospital, Boston, Massachusetts
| | - Sonja Berndt
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, U.S. Department of Health and Human Services, Bethesda, Maryland
| | - Rosalind Eeles
- Division of Genetics and Epidemiology, The Institute of Cancer Research, and Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Douglas Easton
- Centre for Cancer Genetic Epidemiology, Department of Oncology, University of Cambridge, Cambridge, United Kingdom
| | - Christopher A Haiman
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - David J Hunter
- Program in Genetic Epidemiology and Statistical Genetics, Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts
| | - Benjamin Neale
- The Analytic and Translational Genetics Unit, Massachusetts General Hospital, Boston, Massachusetts
| | - Alkes L Price
- Program in Genetic Epidemiology and Statistical Genetics, Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Peter Kraft
- Program in Genetic Epidemiology and Statistical Genetics, Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
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9
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Wu Y, Yan M, Li J, Li J, Chen Z, Chen P, Li B, Chen F, Jin T, Chen C. Genetic polymorphisms in TERT are associated with increased risk of esophageal cancer. Oncotarget 2017; 8:10523-10530. [PMID: 28060765 PMCID: PMC5354677 DOI: 10.18632/oncotarget.14451] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Accepted: 12/13/2016] [Indexed: 12/20/2022] Open
Abstract
Single nucleotide polymorphisms (SNPs) in TERT may be associated with susceptibility to esophageal cancer. In this study, we analyzed the association between TERT SNPs and risk of esophageal cancer in 386 esophageal cancer patients and 495 healthy subjects from the Xi'an area of China. Of the four SNPs examined, rs10069690 and rs2242652 were correlated with esophageal cancer risk. Additionally, after adjusting for age and gender, the "Trs10069690Ars2242652", "Trs10069690Grs2242652" haplotypes were associated with an increased risk of esophageal cancer, while the and "Crs10069690Grs2242652" haplotype was associated with a decreased risk of esophageal cancer. These findings suggest that TERT polymorphisms may contribute to the development of esophageal cancer.
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Affiliation(s)
- Yifei Wu
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi’an, Shaanxi 710069, China
| | - Mengdan Yan
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi’an, Shaanxi 710069, China
- Xi’an Tiangen Precision Medical Institute, Xi’an, Shaanxi 710075, China
| | - Jing Li
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi’an, Shaanxi 710069, China
- Xi’an Tiangen Precision Medical Institute, Xi’an, Shaanxi 710075, China
| | - Jingjie Li
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi’an, Shaanxi 710069, China
- Xi’an Tiangen Precision Medical Institute, Xi’an, Shaanxi 710075, China
| | - Zhengshuai Chen
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi’an, Shaanxi 710069, China
- Xi’an Tiangen Precision Medical Institute, Xi’an, Shaanxi 710075, China
| | - Peng Chen
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi’an, Shaanxi 710069, China
- Xi’an Tiangen Precision Medical Institute, Xi’an, Shaanxi 710075, China
- Institution of Basic Medical Science, Xi'an Medical University, Xi’an, Shaanxi 710021, China
| | - Bin Li
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi’an, Shaanxi 710069, China
- Xi’an Tiangen Precision Medical Institute, Xi’an, Shaanxi 710075, China
| | - Fulin Chen
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi’an, Shaanxi 710069, China
| | - Tianbo Jin
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi’an, Shaanxi 710069, China
- Xi’an Tiangen Precision Medical Institute, Xi’an, Shaanxi 710075, China
| | - Chao Chen
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi’an, Shaanxi 710069, China
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Puskás LG, Mán I, Szebeni G, Tiszlavicz L, Tsai S, James MA. Novel Anti-CRR9/CLPTM1L Antibodies with Antitumorigenic Activity Inhibit Cell Surface Accumulation, PI3K Interaction, and Survival Signaling. Mol Cancer Ther 2016; 15:985-97. [PMID: 26939707 DOI: 10.1158/1535-7163.mct-15-0717] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 02/21/2016] [Indexed: 12/22/2022]
Abstract
We and others have recently shown cisplatin resistance-related protein 9 (CRR9)/Cleft Lip and Palate Transmembrane 1-Like (CLPTM1L) to affect survival and proliferation in lung and pancreatic tumor cells. Our research has indicated that CLPTM1L affects multiple survival signaling pathways in tumor cells under oncogenic, genotoxic, and microenvironmental stress. We have confirmed the association of CLPTM1L with pancreatic cancer by demonstrating overexpression of CLPTM1L in pancreatic tumors and poor survival in patients with high tumor expression of CLPTM1L. Predicting a transmembrane structure, we determined that CLPTM1L could be targeted at the plasma membrane. Herein, we describe the development of mAbs targeting CLPTM1L. Lead antibodies inhibited surface accumulation of CLPTM1L, Akt phosphorylation, anchorage-independent growth, and chemotherapeutic resistance in lung and pancreatic tumor cells. Gemcitabine promoted a physical interaction between CLPTM1L and p110α in pancreatic tumor cells, which was inhibited by anti-CLPTM1L. In vivo treatment with anti-CLPTM1L robustly inhibited the growth of both lung and pancreatic adenocarcinoma xenografts. The efficacy of anti-CLPTM1L correlated with specific epitopes representing important targets in human cancers, particularly those driven by KRas, for which effective targeted therapies have been elusive. This study is the first to report cell-surface exposure of the tumor survival protein CLPTM1L and inhibition of the function of surface CLPTM1L with novel, systematically developed inhibitory mAbs establishing proof of concept of clinically practical agents inhibiting this compelling new tumor survival target in cancer. Mol Cancer Ther; 15(5); 985-97. ©2016 AACR.
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Affiliation(s)
| | | | | | | | - Susan Tsai
- Division of Surgical Oncology, Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Michael A James
- Division of Surgical Oncology, Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin.
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11
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Cao JL, Yuan P, Abuduwufuer A, Lv W, Yang YH, Hu J. Association between the TERT Genetic Polymorphism rs2853676 and Cancer Risk: Meta-Analysis of 76,108 Cases and 134,215 Controls. PLoS One 2015; 10:e0128829. [PMID: 26042809 PMCID: PMC4456375 DOI: 10.1371/journal.pone.0128829] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Accepted: 04/30/2015] [Indexed: 12/14/2022] Open
Abstract
Background Several recent studies have identified that the TERT genetic polymorphism rs2853676 is associated with cancer risk, but presented inconsistent results. We investigated these inconclusive results by performing a meta-analysis to systematically evaluate the association. Methods We conducted a search in PubMed, Google Scholar and ISI Web of Science to select studies on the association between TERT rs2853676 and cancer risk. We conducted a stratified analysis using cancer type, ethnicity and source of controls. We calculated the odds ratios (OR) and 95% confidence intervals (CI). Article quality, heterogeneity, sensitivity, publication bias and statistical power were also assessed. Results 26 articles covering 76 108 cases and 134 215 controls met our inclusion criteria. A significant association between TERT rs2853676 allele A and cancer susceptibility was demonstrated under a per-allele risk analysis (OR = 1.08, 95% CI = 1.04-1.13). Stratification analysis revealed an increased cancer risk in subgroups of glioma, lung cancer and ovarian cancer. No significant increase was found in melanoma, breast cancer, pancreatic cancer and colorectal cancer. In a subgroup analysis of lung cancer, a statistically significant increase was only observed in adenocarcinoma. Moreover, a stratified analysis performed for ethnic groups revealed that the significant increase was only observed in Caucasians, whereas a non-significant increase was found in Asians. Conclusions This meta-analysis suggests that the TERT genetic polymorphism rs2853676 is associated with increased risk of glioma, lung adenocarcinoma and ovarian cancer among Caucasians. Further functional studies are warranted to validate this association and investigate further.
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Affiliation(s)
- Jin-Lin Cao
- Department of Thoracic Surgery, The first Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ping Yuan
- Department of Thoracic Surgery, The first Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Abudumailamu Abuduwufuer
- Department of Thoracic Surgery, The first Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Wang Lv
- Department of Thoracic Surgery, The first Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yun-Hai Yang
- Department of Thoracic Surgery, The first Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jian Hu
- Department of Thoracic Surgery, The first Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- * E-mail:
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12
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Population-specific association of genes for telomere-associated proteins with longevity in an Italian population. Biogerontology 2015; 16:353-64. [DOI: 10.1007/s10522-015-9551-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Accepted: 01/13/2015] [Indexed: 10/24/2022]
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13
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Zhao MM, Zhang Y, Shen L, Ren YW, Li XL, Yin ZH, Zhou BS. Genetic variations in TERT-CLPTM1L genes and risk of lung cancer in a Chinese population. Asian Pac J Cancer Prev 2015; 14:1588-1594. [PMID: 28789383 PMCID: PMC5529743 DOI: 10.3892/ol.2017.6289] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 05/18/2017] [Indexed: 12/17/2022] Open
Abstract
The objective of the present study was to analyze the relationship between genetic polymorphisms of the rs2736098 locus of the telomerase reverse transcriptase (TERT) gene and the rs401681 locus of the cleft lip and palate transmembrane protein 1 (CLPTM1L) gene and the risk of developing lung cancer in males in Jinzhou. A total of 214 lung cancer patients who were admitted in Jinzhou Medical University were analyzed, and 216 healthy males were selected as controls. Venous blood from all subjects and data on relevant risk factors were collected. DNA was extracted from peripheral blood by the phenol-chloroform method. Real-time fluorescent quantitative PCR (TaqMan real-time PCR) was used for DNA amplification. The genotyping results of the genetic polymorphisms of the TERT rs2736098 and CLPTM1L rs401681 loci were detected. The risk of developing lung cancer in the population with the TERT rs2736098 locus carrying the T allele was 1.614 times that with the TERT rs2736098 locus carrying the C allele after adjustment of the age factor. The risk of developing lung cancer in the population carrying the TT mutant genotype and the CT genotype increased significantly compared with that carrying the CC wild genotype [odds ratio (OR)=1.815, 95% CI=1.132–2.957; OR=2.417, 95% CI=1.158–4.943]. Based on a comparison between the combination of the two mutant genotypes (CT+TT) and the wild homozygous genotype (CC), the mutant genotype increased the risk of developing lung cancer (OR=1.955, 95% CI=1.213–3.157). The risk of developing lung cancer in the population with the CLPTM1L rs401681 locus carrying the T allele was 1.399 times that carrying the C allele (OR=1.343, 95% CI=1.035–1.978). The population with the TERT rs2736098 locus carrying the mutant genotype (CT+TT) was associated with the number of tumors (OR=0.553, 95% CI=0.236–0.928). In conclusion, in males, the TERT rs2736098 and CLPTM1L rs401681 T alleles are the susceptibility factors for developing lung cancer. Individuals, including the smoking population, who carry both the TERT rs2736098 and CLPTM1L rs401681 T alleles are more likely to develop lung cancer.
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Affiliation(s)
- Meng-Meng Zhao
- Department of Epidemiology, School of Public Health, China Medical University, Shenyang, China E-mail :
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14
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Llorca-Cardeñosa MJ, Peña-Chilet M, Mayor M, Gomez-Fernandez C, Casado B, Martin-Gonzalez M, Carretero G, Lluch A, Martinez-Cadenas C, Ibarrola-Villava M, Ribas G. Long telomere length and a TERT-CLPTM1 locus polymorphism association with melanoma risk. Eur J Cancer 2014; 50:3168-77. [PMID: 25457634 DOI: 10.1016/j.ejca.2014.09.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 09/02/2014] [Accepted: 09/28/2014] [Indexed: 11/22/2022]
Abstract
Telomere length has been associated with the development of cancer. Studies have shown that shorter telomere length may be related to a decreased risk of cutaneous melanoma. Furthermore, deregulation of the telomere-maintaining gene complexes, has been related to this oncogenic process. Some variants in these genes seem to be correlated with a change in telomerase expression. We examined the effect of 10 single nucleotide polymorphisms (SNPs) in the TERT gene (encoding telomerase), one SNP in the related TERT-CLPTM1L locus and one SNP in the TRF1 gene with telomere length, and its influence on melanoma risk in 970 Spanish cases and 733 Spanish controls. Genotypes were determined using KASP technology, and telomere length was measured by quantitative polymerase chain reaction (PCR) on DNA extracted from peripheral blood leucocytes. Our results demonstrate that shorter telomere length is associated with a decreased risk of melanoma in our population (global p-value, 2.69×10(-11)), which may be caused by a diminution of proliferative potential of nevi (melanoma precursor cells). We also obtained significant results when we tested the association between rs401681 variant (TERT-CLPTM1L locus) with melanoma risk (Odds ratio, OR; 95% confidence interval, CI=1.24 (1.08-1.43); p-value, 3×10(-3)). This is the largest telomere-related study undertaken in a Spanish population to date. Furthermore, this study represents a comprehensive analysis of some of the most relevant telomere pathway genes in relation to cutaneous melanoma susceptibility.
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Affiliation(s)
- Marta J Llorca-Cardeñosa
- Department of Hematology and Medical Oncology, Health Research Institute-INCLIVA, Valencia, Spain
| | - Maria Peña-Chilet
- Department of Hematology and Medical Oncology, Health Research Institute-INCLIVA, Valencia, Spain
| | - Matias Mayor
- Dermatology Unit, La Paz Hospital, Madrid, Spain
| | | | | | | | | | - Ana Lluch
- Department of Hematology and Medical Oncology, Health Research Institute-INCLIVA, Valencia, Spain
| | | | - Maider Ibarrola-Villava
- Department of Hematology and Medical Oncology, Health Research Institute-INCLIVA, Valencia, Spain
| | - Gloria Ribas
- Department of Hematology and Medical Oncology, Health Research Institute-INCLIVA, Valencia, Spain.
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15
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Li D, Wei L, Xu B, Yu D, Chang J, Yuan P, Du Z, Tan W, Shen H, Wu T, Wu C, Lin D. Association of GWAS-identified lung cancer susceptibility loci with survival length in patients with small-cell lung cancer treated with platinum-based chemotherapy. PLoS One 2014; 9:e113574. [PMID: 25415319 PMCID: PMC4240611 DOI: 10.1371/journal.pone.0113574] [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] [Subscribe] [Scholar Register] [Received: 07/20/2014] [Accepted: 10/25/2014] [Indexed: 12/12/2022] Open
Abstract
Genetic variants have been shown to affect length of survival in cancer patients. This study explored the association between lung cancer susceptibility loci tagged by single-nucleotide polymorphisms (SNPs) identified in the genome-wide association studies and length of survival in small-cell lung cancer (SCLC). Eighteen SNPs were genotyped among 874 SCLC patients and Cox proportional hazards regression was used to examine the effects of genotype on survival length under an additive model with age, sex, smoking status and clinical stage as covariates. We identified 3 loci, 20q13.2 (rs4809957G >A), 22q12.2 (rs36600C >T) and 5p15.33 (rs401681C >T), significantly associated with the survival time of SCLC patients. The adjusted hazard ratio (HR) for patients with the rs4809957 GA or AA genotype was 0.80 (95% CI, 0.66–0.96; P = 0.0187) and 0.73 (95% CI, 0.55–0.96; P = 0.0263) compared with the GG genotype. Using the dominant model, the adjusted HR for patients carrying at least one T allele at rs36600 or rs401681 was 0.78 (95% CI, 0.63–0.96; P = 0.0199) and 1.29 (95% CI, 1.08–1.55; P = 0.0047), respectively, compared with the CC genotype. Stratification analyses showed that the significant associations of these 3 loci were only seen in smokers and male patients. The rs4809957 SNP was only significantly associated with length of survival of patients with extensive-stage but not limited-stage tumor. These results suggest that some of the lung cancer susceptibility loci might also affect the prognosis of SCLC.
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Affiliation(s)
- Dong Li
- State Key Laboratory of Molecular Oncology, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
- Department of Etiology and Carcinogenesis, Cancer Institute and Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Lixuan Wei
- State Key Laboratory of Molecular Oncology, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Binghe Xu
- Department of Medical Oncology, Cancer Institute and Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Dianke Yu
- Department of Etiology and Carcinogenesis, Cancer Institute and Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Jiang Chang
- Department of Etiology and Carcinogenesis, Cancer Institute and Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Peng Yuan
- Department of Medical Oncology, Cancer Institute and Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Zhongli Du
- Department of Etiology and Carcinogenesis, Cancer Institute and Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Wen Tan
- Department of Etiology and Carcinogenesis, Cancer Institute and Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Hongbing Shen
- Department of Epidemiology and Biostatistics, Cancer Center, Nanjing Medical University, Nanjing, China
| | - Tangchun Wu
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chen Wu
- State Key Laboratory of Molecular Oncology, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
- * E-mail: (CW); (DXL)
| | - Dongxin Lin
- Department of Etiology and Carcinogenesis, Cancer Institute and Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
- * E-mail: (CW); (DXL)
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16
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Chen Y, Yu Z, Zhang B, Chang Z, Wang H, Liu Z. CRR9p polymorphism as a protective factor for lung cancer. Tumour Biol 2014; 35:9557-62. [PMID: 24957041 DOI: 10.1007/s13277-014-2198-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Accepted: 06/06/2014] [Indexed: 11/26/2022] Open
Abstract
A number of studies have investigated the association between CRR9p polymorphism and risk of lung cancer (LC), yet the role in LC pathogenesis remains unclear owing to inconsistencies across studies. We searched PubMed, Embase, and Web of Science for all medical literature published until January 2014. Pooled odds ratios (ORs) and 95 % confidence intervals (CIs) were obtained by means of the fixed effects model. Data from eight studies satisfying the predesigned inclusion criteria were selected for this meta-analysis. We found a statistically significant evidence for a protective effect on the overall LC risk (TT vs. CC: OR = 0.78, 95 % CI = 0.70-0.87, P het = 0.299; TT vs. CT + CC: OR = 0.81, 95 % CI = 0.73-0.90, P het = 0.113; T vs. C: OR = 0.90, 95 % CI = 0.86-0.95, P het = 0.758; TT + CT vs. CC: OR = 0.92, 95 % CI = 0.87-0.98, P het = 0.892). Both Caucasian and Asian populations were suggested to have a reduced risk of developing such cancer. In the analysis of the association between rs401681 and non-small cell lung cancer (NSCLC) risks, all of the contrast models showed similar results except the CT vs. CC genetic model (OR = 0.93, 95 % CI = 0.84-1.02, P het = 0.568). Our meta-analysis provides supportive evidence that CRR9p polymorphism may influence a risk of LC and NSCLC in a protective model.
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Affiliation(s)
- Yang Chen
- Cancer Center, Chinese PLA General Hospital and Chinese PLA Medical School, Beijing, China
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17
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Feng X, Qin JJ, Zheng BS, Huang LL, Xie XY, Zhou HF. Association of epidermal growth factor receptor (EGFR) gene polymorphism with lung cancer risk: a systematic review. J Recept Signal Transduct Res 2014; 34:333-4. [PMID: 24495289 DOI: 10.3109/10799893.2014.885052] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Epidermal growth factor receptor (EGFR) is a member of the tyrosine kinase receptor family, which is thought to be involved in the development of cancer, as the EGFR gene is often amplified, and/or mutated in cancer cells. Lung cancer remains one of the most major causes of morbidity and mortality worldwide, accounting for more deaths than any other cancer cause. Gene polymorphism factor has been reported to be an important factor which increases the susceptibility of lung cancer. There lacks a well-documented diagnostic approach for the lung cancer risk, and the etiology of lung cancer is not clear. The current systematic review was performed to explore the association of EGFR gene polymorphism with lung cancer risk. In this review, association of EGFR 181946C > T, 8227G > A gene polymorphism with lung cancer was found, and EGFR Short genotype of cytosine adenine repeat number polymorphism was significantly associated with an increased risk of lung cancer.
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Affiliation(s)
- Xu Feng
- Department of Cardio-Thoracic Surgery, The First Affiliated Hospital of GuangXi Medical University , NanNing , People's Republic of China
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18
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Jiang M, Wu H, Qin C. Genetic variant rs401681 at 5p15.33 modifies susceptibility to lung cancer but not esophageal squamous cell carcinoma. PLoS One 2013; 8:e84277. [PMID: 24386361 PMCID: PMC3875515 DOI: 10.1371/journal.pone.0084277] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2013] [Accepted: 11/13/2013] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The human 5p15.33 locus contains two well-known genes, the telomerase reverse transcriptase (TERT) and cleft lip and palate transmembrane 1-like (CLPTM1L) genes, which have been implicated in carcinogenesis. A common sequence variant, rs401681, located in an intronic region of CLPTM1L, has been reported to be associated with lung cancer risk based on genome-wide association study. However, subsequent replication studies in diverse populations have yielded inconsistent results. In addition, genetic variants at 5p15.33, including rs401681, have been shown to be involved in the susceptibility to multiple malignancies. Nevertheless, the role of these TERT-CLPTM1L variants in the etiology of esophageal squamous cell carcinoma (ESCC) remains unknown. METHODS We genotyped the rs401681 polymorphism using TaqMan methodology and analyzed its association with the risk of lung cancer and ESCC in a case-control study of 1,479 cancer patients (726 with lung cancer and 753 with ESCC) and 860 healthy individuals. RESULTS Logistic regression analyses revealed that rs401681 T genotypes were associated with a significantly decreased risk of lung cancer (CT vs. CC: adjusted OR=0.782, 95% CI=0.625-0.978, P=0.031; CT/TT vs. CC: adjusted OR=0.786; 95% CI=0.635-0.972, P=0.026). Stratification analysis by histology type indicated that rs401681 T genotypes were associated with a significantly reduced risk of both adenocarcinoma and squamous cell carcinoma. Furthermore, no significant association was observed between rs401681 and the risk of ESCC (CT vs. CC: adjusted OR=0.910, 95% CI=0.734-1.129, P=0.392; TT vs. CC: adjusted OR=0.897, 95%CI=0.624-1.290, P=0.558; CT/TT vs. CC: adjusted OR=0.908, 95% CI=0.740-1.114, P=0.355). CONCLUSIONS Our findings provide further evidence supporting rs401681 as a genetic variant associated with the risk of lung cancer. In addition, we investigated the correlation between the rs401681 variant and the risk of ESCC in a Han Chinese population, and our results suggest that this genetic variant may not be involved in ESCC risk.
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Affiliation(s)
- Man Jiang
- Department of Gastroenterology, Provincial Hospital Affiliated to Shandong University, Jinan, Shandong Province, China
| | - Haijian Wu
- Department of Radiation Oncology, Qilu Hospital Affiliated to Shandong University, Jinan, Shandong Province, China
| | - Chengyong Qin
- Department of Gastroenterology, Provincial Hospital Affiliated to Shandong University, Jinan, Shandong Province, China
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James MA, Vikis HG, Tate E, Rymaszewski AL, You M. CRR9/CLPTM1L regulates cell survival signaling and is required for Ras transformation and lung tumorigenesis. Cancer Res 2013; 74:1116-27. [PMID: 24366883 DOI: 10.1158/0008-5472.can-13-1617] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The transmembrane protein CLPTM1L is overexpressed in non-small cell lung cancer, where it protects tumor cells from genotoxic apoptosis. Here, we show that RNA interference-mediated blockade of CLPTM1L inhibits K-Ras-induced lung tumorigenesis. CLPTM1L expression was required in vitro for morphologic transformation by H-RasV12 or K-RasV12, anchorage-independent growth, and survival of anoikis of lung tumor cells. Mechanistic investigations indicated that CLPTM1L interacts with phosphoinositide 3-kinase and is essential for Ras-induced AKT phosphorylation. Furthermore that the anti-apoptotic protein Bcl-xL is regulated by CLPTM1L independently of AKT activation. Constitutive activation of AKT or Bcl-xL rescued the transformed phenotype in CLPTM1L-depleted cells. The CLPTM1L gene lies within a cancer susceptibility locus at chromosome 5p15.33 defined by genome-wide association studies. The risk genotype at the CLPTM1L locus was associated with high expression of CLPTM1L in normal lung tissue, suggesting that cis-regulation of CLPTM1L may contribute to lung cancer risk. Taken together, our results establish a protumorigenic role for CLPTM1L that is critical for Ras-driven lung cancers, with potential implications for therapy and chemosensitization.
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Affiliation(s)
- Michael A James
- Authors' Affiliation: MCW Cancer Center, Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin
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20
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Eldholm V, Haugen A, Zienolddiny S. CTCF mediates the TERT enhancer-promoter interactions in lung cancer cells: identification of a novel enhancer region involved in the regulation of TERT gene. Int J Cancer 2013; 134:2305-13. [PMID: 24174344 DOI: 10.1002/ijc.28570] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Revised: 08/19/2013] [Accepted: 10/18/2013] [Indexed: 01/18/2023]
Abstract
Telomerase activation is a hallmark of cancer. Although the regulation of the telomerase reverse transcriptase catalytic subunit (TERT), the rate-limiting factor for telomerase activity, has been studied intensively it remains incompletely understood. In cells devoid of telomerase activity, TERT is embedded in a region of condensed chromatin and the chromatin remodeling protein CCCTC-binding factor (CTCF) has been implicated in the inhibition of TERT expression. The importance of TERT activation for cellular immortalization and carcinogenesis is attested by the fact that the gene is expressed in more than 90% of immortal cell lines and tumors and that gain of TERT is the most frequent amplification event in early stage lung cancer. This study was designed to study the mechanisms of regulation of the TERT gene expression by the CTCF transcription factor in three human lung cancer cell lines, A427, A549 and H838. Depletion of CTCF by siRNA resulted in reduced TERT mRNA levels in two (A427 and A549) of the three cell lines. A novel enhancer element was identified approximately 4.5 kb upstream of the TERT transcription start site. Chromatin immunoprecipitation experiments revealed recruitment of CTCF to this enhancer element. Chromosome conformation capture experiments demonstrated the presence of CTCF-dependent chromatin loops between this enhancer element and the TERT proximal promoter in A427 and A549 cell lines. In summary, the results show that CTCF plays an important role in maintaining TERT expression in a subset of human lung cancer cell lines. This role may be due to CTCF-dependent enhancer-promoter interactions.
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Affiliation(s)
- Vegard Eldholm
- Department of Chemical and Biological Work Environment, National Institute of Occupational Health, Oslo, Norway
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Zhou HF, Feng X, Zheng BS, Qian J, He W. A meta-analysis of the relationship between glutathione S-transferase T1 null/presence gene polymorphism and the risk of lung cancer including 31802 subjects. Mol Biol Rep 2013; 40:5713-21. [PMID: 24072652 DOI: 10.1007/s11033-013-2674-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Accepted: 09/14/2013] [Indexed: 01/25/2023]
Abstract
The relationship between glutathione S-transferase T1 (GSTT1) null/presence gene polymorphism and the risk of lung cancer from the published reports are still conflicting. This study was conducted to evaluate the relationship between GSTT1 null/presence gene polymorphism and the risk of lung cancer using meta-analysis method. The association studies were identified from PubMed, and Cochrane Library on July 1, 2012, and eligible investigations were included and synthesized using meta-analysis method. 51 reports were recruited into this meta-analysis for the association of null genotype of GSTT1 with lung cancer susceptibility, consisting of 15,140 patients with lung cancer and 16,662 controls. There was a marked association between GSTT1 null genotype and lung cancer risk in overall populations (OR = 1.15, 95 % CI 1.04-1.27, P = 0.007). Furthermore, GSTT1 null genotype was associated with the lung cancer risk in Asians (OR = 1.47, 95 % CI 1.23-1.76, P < 0.0001). However, GSTT1 null genotype was not associated with the risk of lung cancer in Caucasians, Brazilian population and Africans. In conclusion, GSTT1 null genotype is associated with the lung cancer in overall populations and in Asians.
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Affiliation(s)
- Hua-Fu Zhou
- Department of Cardio-Thoracic Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
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22
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Genetic variations in TERT-CLPTM1L genes and risk of lung cancer in Chinese women nonsmokers. PLoS One 2013; 8:e64988. [PMID: 23738012 PMCID: PMC3667812 DOI: 10.1371/journal.pone.0064988] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2012] [Accepted: 04/19/2013] [Indexed: 11/19/2022] Open
Abstract
Background The TERT gene is the reverse transcriptase component of telomerase and is essential for the maintenance of telomere DNA length, chromosomal stability and cellular immortality. CLPTM1L gene encodes a protein linked to cisplatin resistance, and it is well conserved and express in various normal or malignant tissues, including lung. Methods To test this hypothesis, we genotyped for two significant SNPs TERT-rs2736098 and CLPTM1L-rs4016981 in a case-control study with 501 cancer cases and 576 cancer-free controls in Chinese nonsmoking population. Information concerning demographic and risk factors was obtained for each case and control by a trained interviewer. Gene polymorphisms were determined by TaqMan methodology. Results We found that the homozygous variant genetic model of TERT gene was associated with a significantly increased risk of lung cancer with adjusted OR of 1.72(95%CI = 1.19–2.51, P = 0.004 for heterogeneity). The joint effect of TERT and CLPTM1L increased risk for lung cancer with adjusted OR is 1.31(95%CI = 1.00–1.74, P = 0.052 for heterogeneity). Conclusion Genetic variants in TERT and CLPTM1L may affect the susceptibility of lung cancer, especially adenocarcinoma in Chinese women nonsmokers.
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Ke J, Zhong R, Zhang T, Liu L, Rui R, Shen N, Sun Y, Liu L, Cheng L, Miao XP. Replication study in Chinese population and meta-analysis supports association of the 5p15.33 locus with lung cancer. PLoS One 2013; 8:e62485. [PMID: 23653681 PMCID: PMC3641186 DOI: 10.1371/journal.pone.0062485] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Accepted: 03/21/2013] [Indexed: 11/18/2022] Open
Abstract
Background Common genetic polymorphisms on chromosome 5p15.33, including rs401681 in cleft lip and palate transmembrane 1-like gene (CLPTM1L), have been implicated in susceptibility to lung cancer through genome-wide association studies (GWAS); however, subsequent replication studies yielded controversial results. Methodology and Findings A hospital-based case-control study in a Chinese population was conducted to replicate the association, and then a meta-analysis combining our non-overlapping new data and previously published data was performed to clearly discern the real effect of lung cancer susceptibility. In our study with 611 cases and 1062 controls, the minor allele T carrier (TT plus CT) group conferred an OR of 0.801 (95% CI = 0.654–0.981) under the dominant model. The meta-analysis comprising 9111 cases and 11424 controls further confirmed the significant association in the dominant model (OR = 0.842, 95% CI = 0.795–0.891). By stratified analysis, we revealed that ethnicity and study design might constitute the source of between-study heterogeneity. Besides, the sensitivity and cumulative analyses indicated the high stability of the results. Conclusion The results from our case-control study and meta-analysis provide convincing evidence that rs401681 is significantly associated with lung cancer risk.
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Affiliation(s)
- Juntao Ke
- State Key Laboratory of Environment Health (Incubation), Ministry of Education Key Laboratory of Environment & Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, Wuhan, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rong Zhong
- State Key Laboratory of Environment Health (Incubation), Ministry of Education Key Laboratory of Environment & Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, Wuhan, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ti Zhang
- State Key Laboratory of Environment Health (Incubation), Ministry of Education Key Laboratory of Environment & Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, Wuhan, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lifeng Liu
- State Key Laboratory of Environment Health (Incubation), Ministry of Education Key Laboratory of Environment & Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, Wuhan, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rui Rui
- State Key Laboratory of Environment Health (Incubation), Ministry of Education Key Laboratory of Environment & Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, Wuhan, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Na Shen
- State Key Laboratory of Environment Health (Incubation), Ministry of Education Key Laboratory of Environment & Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, Wuhan, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Sun
- State Key Laboratory of Environment Health (Incubation), Ministry of Education Key Laboratory of Environment & Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, Wuhan, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Li Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
- * E-mail: (LL); (LC); (XPM)
| | - Liming Cheng
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- * E-mail: (LL); (LC); (XPM)
| | - Xiao-Ping Miao
- State Key Laboratory of Environment Health (Incubation), Ministry of Education Key Laboratory of Environment & Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, Wuhan, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- * E-mail: (LL); (LC); (XPM)
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