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Nayerpour Dizaj T, Doustmihan A, Sadeghzadeh Oskouei B, Akbari M, Jaymand M, Mazloomi M, Jahanban-Esfahlan R. Significance of PSCA as a novel prognostic marker and therapeutic target for cancer. Cancer Cell Int 2024; 24:135. [PMID: 38627732 PMCID: PMC11020972 DOI: 10.1186/s12935-024-03320-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Accepted: 03/30/2024] [Indexed: 04/20/2024] Open
Abstract
One of the contributing factors in the diagnosis and treatment of most cancers is the identification of their surface antigens. Cancer tissues or cells have their specific antigens. Some antigens that are present in many cancers elicit different functions. One of these antigens is the prostate stem cell antigen (PSCA) antigen, which was first identified in the prostate. PSCA is a cell surface protein that has different functions in different tissues. It can play an inhibitory role in cell proliferation as well as a tumor-inducing role. PSCA has several genetic variants involved in cancer susceptibility in some tissues, so identifying the characteristics of this antigen and its relationship with clinical features can provide more information on diagnosis and treatment of patients with cancers. Most studies on the PSCA have focused on prostate cancer. While it is also expressed in other cancers, little attention has been paid to its role as a valuable diagnostic, prognostic, and therapeutic tool in other cancers. PSCA has several genetic variants that seem to play a significant role in cancer susceptibility in some tissues, so identifying the characteristics of this antigen and its relationship and variants with clinical features can be beneficial in concomitant cancer therapy and diagnosis, as theranostic tools. In this study, we will review the alteration of the PSCA expression and its polymorphisms and evaluate its clinical and theranostics significance in various cancers.
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Affiliation(s)
- Tina Nayerpour Dizaj
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abolfazl Doustmihan
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behnaz Sadeghzadeh Oskouei
- Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Morteza Akbari
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Jaymand
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - MirAhmad Mazloomi
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Rana Jahanban-Esfahlan
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
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Wang XF, Liu DL, Geng L. The PSCA rs2294008 (C/T) Polymorphism Increases the Risk of Gastric and Bladder Cancer: A Meta-Analysis. Genet Test Mol Biomarkers 2023; 27:44-55. [PMID: 36853840 DOI: 10.1089/gtmb.2022.0067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023] Open
Abstract
Background: It has been reported that prostate stem cell antigen (PSCA) is overexpressed in certain cancer types and confers poor prognoses. The rs2294008 (C/T) polymorphism of PSCA is considered to be associated with risk for gastric, bladder, and colorectal cancers; however, these studies have produced inconsistent results, so we performed this meta-analysis to verify the association between the PSCA rs2294008 (C/T) polymorphism and cancer risk. Methods: A systematic literature search was performed using PubMed, EMBASE, and the Chinese National Knowledge Infrastructure, through October 20, 2022 according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We used odds ratios (ORs) with 95% confidence intervals (CIs) to assess the strength of the association between the PSCA rs2294008 (C/T) polymorphism and cancer risk. In addition, we explored PSCA mRNA expression in cancers through online databases. Results: In total, 45 articles met our inclusion criteria and were analyzed, including 37,586 cancer cases and 51,197 non-cancer controls. Except in the recessive model, the pooled effect indicated the PSCA rs2294008 T allele was associated with an increased overall cancer risk (T vs. C: OR = 1.120, 95% CI = 1.056-1.188, p < 0.01; TT vs. CC: OR = 1.206, 95% CI = 1.066-1.364, p = 0.03; CT vs. CC: OR = 1.249, 95% CI = 1.151-1.356, p < 0.01; [CT+TT] vs. CC: OR = 1.248, 95% CI = 1.147-1.359, p < 0.01; TT vs. [CT+CC]: OR = 1.051, 95% CI = 0.954-1.156, p = 0.314). In the subgroup analysis, there were significant associations between the rs2294008 T allele and increased risk of bladder and gastric cancer. Two different online tools were used to explore the PSCA mRNA levels in cancer and the corresponding normal adjacent tissues. We found that expression of PSCA was significantly lower in gastric cancer patients. Conclusions: The PSCA rs2294008 T polymorphism is related to increased cancer susceptibility, especially for gastric and bladder cancers. This polymorphism results in a decreased PSCA expression level in gastric cancer.
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Affiliation(s)
- Xiao-Feng Wang
- Department of Medical Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Dong-Li Liu
- Key Laboratory of Carcinogenesis and Cancer Invasion, Liver Cancer Institute and Zhongshan Hospital, Fudan University, Ministry of Education, Shanghai, China
| | - Li Geng
- Department of Medical Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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Gakis G, Perner S, Stenzl A, Renninger M. The role of single-nucleotide polymorphisms of the 8q24 chromosome region in patients with concomitant bladder and prostate cancer. Scand J Urol 2022; 56:126-130. [PMID: 35274594 DOI: 10.1080/21681805.2022.2049362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVE To assess whether single-nucleotide polymorphisms (SNPs) of the 8q24 chromosome region are associated with recurrence-free survival (RFS) after radical cystoprostatectomy (RC) in patients with concomitant bladder (BC) and prostate cancer (PC). MATERIALS AND METHODS A cohort of thirty-six patients treated with RC and pelvic lymph node dissection and histologically exhibited invasive BC and incidental PC. Using Sanger sequencing, a total of seven SNPs in the androgen-responsive element of the promoter region of the following genes were assessed in tumor-free lymph nodes and correlated with oncological outcomes: PSCA (rs2294008, rs2978974, rs1045531, rs3736001), MYC (rs6983267), FXBO32 (rs7830622), and MIR151A (rs14974929). The median follow-up was 26 months (range: 4-68). RESULTS In a dominant model, patients exhibiting rs2978974 as a minor allelic variant of the PSCA gene had worse RFS (32 vs. 75%, p = 0.015). No associations were found for the other SNPs. CONCLUSIONS These data suggest that the rs2978974 of the PSCA gene correlates with inferior BC-specific RFS after RC and should be further evaluated in larger studies.
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Affiliation(s)
- Georgios Gakis
- Department of Urology and Pediatric Urology, University Hospital of Würzburg, Julius-Maximillians University, Würzburg, Germany
| | - Sven Perner
- Institute of Pathology, University of Luebeck, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany.,Department of Pathology, Research Center Borstel, Leibniz Lung Center, Borstel, Germany
| | - Arnulf Stenzl
- Department of Urology, University Hospital, Eberhard-Karls University, Tübingen, Germany
| | - Markus Renninger
- Department of Urology, University Hospital, Eberhard-Karls University, Tübingen, Germany
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Abstract
Chimeric antigen receptor (CAR) T cell immunotherapy involves the genetic modification of the patient's own T cells so that they specifically recognize and destroy tumour cells. Considerable clinical success has been achieved using this technique in patients with lymphoid malignancies, but clinical studies that investigated treating solid tumours using this emerging technology have been disappointing. A number of developments might be able to increase the efficacy of CAR T cell therapy for treatment of prostate cancer, including improved trafficking to the tumour, techniques to overcome the immunosuppressive tumour microenvironment, as well as methods to enhance CAR T cell persistence, specificity and safety. Furthermore, CAR T cell therapy has the potential to be combined with other treatment modalities, such as androgen deprivation therapy, radiotherapy or chemotherapy, and could be applied as focal CAR T cell therapy for prostate cancer.
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Prostate Cancer Biomarkers: From diagnosis to prognosis and precision-guided therapeutics. Pharmacol Ther 2021; 228:107932. [PMID: 34174272 DOI: 10.1016/j.pharmthera.2021.107932] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/10/2021] [Accepted: 05/12/2021] [Indexed: 12/23/2022]
Abstract
Prostate cancer (PCa) is one of the most commonly diagnosed malignancies and among the leading causes of cancer-related death worldwide. It is a highly heterogeneous disease, ranging from remarkably slow progression or inertia to highly aggressive and fatal disease. As therapeutic decision-making, clinical trial design and outcome highly depend on the appropriate stratification of patients to risk groups, it is imperative to differentiate between benign versus more aggressive states. The incorporation of clinically valuable prognostic and predictive biomarkers is also potentially amenable in this process, in the timely prevention of metastatic disease and in the decision for therapy selection. This review summarizes the progress that has so far been made in the identification of the genomic events that can be used for the classification, prediction and prognostication of PCa, and as major targets for clinical intervention. We include an extensive list of emerging biomarkers for which there is enough preclinical evidence to suggest that they may constitute crucial targets for achieving significant advances in the management of the disease. Finally, we highlight the main challenges that are associated with the identification of clinically significant PCa biomarkers and recommend possible ways to overcome such limitations.
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Dixon K, Brew T, Farnell D, Godwin TD, Cheung S, Chow C, Ta M, Ho G, Bui M, Douglas JM, Campbell KR, El-Naggar A, Kaurah P, Kalloger SE, Lim HJ, Schaeffer DF, Cochrane D, Guilford P, Huntsman DG. Modelling hereditary diffuse gastric cancer initiation using transgenic mouse-derived gastric organoids and single-cell sequencing. J Pathol 2021; 254:254-264. [PMID: 33797756 DOI: 10.1002/path.5675] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 03/02/2021] [Accepted: 03/30/2021] [Indexed: 12/11/2022]
Abstract
Hereditary diffuse gastric cancer (HDGC) is a cancer syndrome caused by germline variants in CDH1, the gene encoding the cell-cell adhesion molecule E-cadherin. Loss of E-cadherin in cancer is associated with cellular dedifferentiation and poor prognosis, but the mechanisms through which CDH1 loss initiates HDGC are not known. Using single-cell RNA sequencing, we explored the transcriptional landscape of a murine organoid model of HDGC to characterize the impact of CDH1 loss in early tumourigenesis. Progenitor populations of stratified squamous and simple columnar epithelium, characteristic of the mouse stomach, showed lineage-specific transcriptional programs. Cdh1 inactivation resulted in shifts along the squamous differentiation trajectory associated with aberrant expression of genes central to gastrointestinal epithelial differentiation. Cytokeratin 7 (CK7), encoded by the differentiation-dependent gene Krt7, was a specific marker for early neoplastic lesions in CDH1 carriers. Our findings suggest that deregulation of developmental transcriptional programs may precede malignancy in HDGC. © 2021 The Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Katherine Dixon
- Department of Medical Genetics, University of British Columbia, Vancouver, Canada
| | - Tom Brew
- Cancer Genetics Laboratory, Te Aho Matatū, Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - David Farnell
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada
| | - Tanis D Godwin
- Cancer Genetics Laboratory, Te Aho Matatū, Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - Simon Cheung
- Division of Anatomic Pathology, Vancouver Coastal Health, Vancouver, Canada
| | - Christine Chow
- Genetic Pathology Evaluation Centre, University of British Columbia, Vancouver, Canada
| | - Monica Ta
- Genetic Pathology Evaluation Centre, University of British Columbia, Vancouver, Canada
| | - Germain Ho
- Department of Molecular Oncology, BC Cancer, Vancouver, Canada
| | - Minh Bui
- Department of Molecular Oncology, BC Cancer, Vancouver, Canada
| | | | | | - Amal El-Naggar
- Department of Molecular Oncology, BC Cancer, Vancouver, Canada.,Department of Pathology, Menoufia University, Shibin El Kom, Egypt
| | | | - Steve E Kalloger
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada
| | - Howard J Lim
- Department of Medical Oncology, BC Cancer, Vancouver, Canada
| | - David F Schaeffer
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada.,Division of Anatomic Pathology, Vancouver Coastal Health, Vancouver, Canada
| | - Dawn Cochrane
- Department of Molecular Oncology, BC Cancer, Vancouver, Canada
| | - Parry Guilford
- Cancer Genetics Laboratory, Te Aho Matatū, Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - David G Huntsman
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada
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Zhang G, Xue Z, Yan C, Wang J, Luo H. A Novel Biomarker Identification Approach for Gastric Cancer Using Gene Expression and DNA Methylation Dataset. Front Genet 2021; 12:644378. [PMID: 33868380 PMCID: PMC8044773 DOI: 10.3389/fgene.2021.644378] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 02/16/2021] [Indexed: 01/09/2023] Open
Abstract
As one type of complex disease, gastric cancer has high mortality rate, and there are few effective treatments for patients in advanced stage. With the development of biological technology, a large amount of multiple-omics data of gastric cancer are generated, which enables computational method to discover potential biomarkers of gastric cancer. That will be very important to detect gastric cancer at earlier stages and thus assist in providing timely treatment. However, most of biological data have the characteristics of high dimension and low sample size. It is hard to process directly without feature selection. Besides, only using some omic data, such as gene expression data, provides limited evidence to investigate gastric cancer associated biomarkers. In this research, gene expression data and DNA methylation data are integrated to analyze gastric cancer, and a feature selection approach is proposed to identify the possible biomarkers of gastric cancer. After the original data are pre-processed, the mutual information (MI) is applied to select some top genes. Then, fold change (FC) and T-test are adopted to identify differentially expressed genes (DEG). In particular, false discover rate (FDR) is introduced to revise p_value to further screen genes. For chosen genes, a deep neural network (DNN) model is utilized as the classifier to measure the quality of classification. The experimental results show that the approach can achieve superior performance in terms of accuracy and other metrics. Biological analysis for chosen genes further validates the effectiveness of the approach.
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Affiliation(s)
- Ge Zhang
- School of Computer and Information Engineering, Henan University, Kaifeng, China
| | - Zijing Xue
- School of Computer and Information Engineering, Henan University, Kaifeng, China
| | - Chaokun Yan
- School of Computer and Information Engineering, Henan University, Kaifeng, China
| | - Jianlin Wang
- School of Computer and Information Engineering, Henan University, Kaifeng, China
| | - Huimin Luo
- School of Computer and Information Engineering, Henan University, Kaifeng, China
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Usui Y, Matsuo K, Oze I, Ugai T, Koyanagi Y, Maeda Y, Ito H, Hishida A, Takeuchi K, Tamura T, Tsukamoto M, Kadomatsu Y, Hara M, Nishida Y, Shimoshikiryo I, Takezaki T, Ozaki E, Matsui D, Watanabe I, Suzuki S, Watanabe M, Nakagawa-Senda H, Mikami H, Nakamura Y, Arisawa K, Uemura H, Kuriki K, Takashima N, Kadota A, Ikezaki H, Murata M, Nakatochi M, Momozawa Y, Kubo M, Wakai K. Impact of PSCA Polymorphisms on the Risk of Duodenal Ulcer. J Epidemiol 2021; 31:12-20. [PMID: 31839644 PMCID: PMC7738644 DOI: 10.2188/jea.je20190184] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 11/22/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND While duodenal ulcer (DU) and gastric cancer (GC) are both H. pylori infection-related diseases, individuals with DU are known to have lower risk for GC. Many epidemiological studies have identified the PSCA rs2294008 T-allele as a risk factor of GC, while others have found an association between the rs2294008 C-allele and risk of DU and gastric ulcer (GU). Following these initial reports, however, few studies have since validated these associations. Here, we aimed to validate the association between variations in PSCA and the risk of DU/GU and evaluate its interaction with environmental factors in a Japanese population. METHODS Six PSCA SNPs were genotyped in 584 DU cases, 925 GU cases, and 8,105 controls from the Japan Multi-Institutional Collaborative Cohort (J-MICC). Unconditional logistic regression models were applied to estimate odds ratios (ORs) and 95% confidence intervals (CIs) for the association between the SNPs and risk of DU/GU. RESULTS PSCA rs2294008 C-allele was associated with per allele OR of 1.34 (95% CI, 1.18-1.51; P = 2.28 × 10-6) for the risk of DU. This association was independent of age, sex, study site, smoking habit, drinking habit, and H. pylori status. On the other hand, we did not observe an association between the risk of GU and PSCA SNPs. CONCLUSIONS Our study confirms an association between the PSCA rs2294008 C-allele and the risk of DU in a Japanese population.
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Affiliation(s)
- Yoshiaki Usui
- Division of Cancer Information and Control, Department of Preventive Medicine, Aichi Cancer Center, Nagoya, Japan
- Department of Hematology and Oncology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceuticals Sciences, Okayama, Japan
| | - Keitaro Matsuo
- Division of Cancer Epidemiology and Prevention, Department of Preventive Medicine, Aichi Cancer Center, Nagoya, Japan
- Department of Epidemiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Isao Oze
- Division of Cancer Epidemiology and Prevention, Department of Preventive Medicine, Aichi Cancer Center, Nagoya, Japan
| | - Tomotaka Ugai
- Division of Cancer Epidemiology and Prevention, Department of Preventive Medicine, Aichi Cancer Center, Nagoya, Japan
| | - Yuriko Koyanagi
- Division of Cancer Information and Control, Department of Preventive Medicine, Aichi Cancer Center, Nagoya, Japan
| | - Yoshinobu Maeda
- Department of Hematology and Oncology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceuticals Sciences, Okayama, Japan
| | - Hidemi Ito
- Division of Cancer Information and Control, Department of Preventive Medicine, Aichi Cancer Center, Nagoya, Japan
- Division of Descriptive Cancer Epidemiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Asahi Hishida
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kenji Takeuchi
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Takashi Tamura
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Mineko Tsukamoto
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yuka Kadomatsu
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Megumi Hara
- Department of Preventive Medicine, Faculty of Medicine, Saga University, Saga, Japan
| | - Yuichiro Nishida
- Department of Preventive Medicine, Faculty of Medicine, Saga University, Saga, Japan
| | - Ippei Shimoshikiryo
- Department of International Island and Community Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Toshiro Takezaki
- Department of International Island and Community Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Etsuko Ozaki
- Department of Epidemiology for Community Health and Medicine Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Daisuke Matsui
- Department of Epidemiology for Community Health and Medicine Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Isao Watanabe
- Department of Epidemiology for Community Health and Medicine Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Sadao Suzuki
- Department of Public Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Miki Watanabe
- Department of Public Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Hiroko Nakagawa-Senda
- Department of Public Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Haruo Mikami
- Cancer Prevention Center, Chiba Cancer Center Research Institute, Chiba, Japan
| | - Yohko Nakamura
- Cancer Prevention Center, Chiba Cancer Center Research Institute, Chiba, Japan
| | - Kokichi Arisawa
- Department of Preventive Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
| | - Hirokazu Uemura
- Department of Preventive Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
| | - Kiyonori Kuriki
- Laboratory of Public Health, University of Shizuoka, Shizuoka, Japan
| | - Naoyuki Takashima
- Department of Public Health, Faculty of Medicine, Kindai University, Osaka, Japan
| | - Aya Kadota
- Department of Public Health, Shiga University of Medical Science, Otsu, Japan
| | - Hiroaki Ikezaki
- Department of General Internal Medicine, Kyushu University Hospital, Fukuoka, Japan
| | - Masayuki Murata
- Department of General Internal Medicine, Kyushu University Hospital, Fukuoka, Japan
| | - Masahiro Nakatochi
- Department of Nursing, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yukihide Momozawa
- Laboratory for Genotyping Development, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Michiaki Kubo
- Laboratory for Genotyping Development, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Kenji Wakai
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
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Shulepko MA, Bychkov ML, Shlepova OV, Shenkarev ZO, Kirpichnikov MP, Lyukmanova EN. Human secreted protein SLURP-1 abolishes nicotine-induced proliferation, PTEN down-regulation and α7-nAChR expression up-regulation in lung cancer cells. Int Immunopharmacol 2020; 82:106303. [PMID: 32106059 DOI: 10.1016/j.intimp.2020.106303] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 01/20/2020] [Accepted: 02/10/2020] [Indexed: 12/17/2022]
Abstract
Human Ly-6/uPAR-related protein-1 (SLURP-1) is an allosteric negative modulator of the α7-type nicotinic acetylcholine receptor (α7-nAChR), one of the key receptors promoting nicotine-induced proliferation of lung cancer cells. Incubation of lung adenocarcinoma A549 cells with recombinant SLURP-1 (rSLURP-1) at concentrations >10 nM resulted in the significant decrease of the cell growth (~70%), while treatment of normal lung-derived WI-38 fibroblasts with rSLURP-1 did not influence the cell proliferation up to 1 μM of the protein. rSLURP-1 fully abolished the nicotine-induced increase of the cell proliferation, down-regulation of the expression of PTEN (the negative regulator of the AKT pathway, controlling the growth, survival, and proliferation of cancer cells), and up-regulation of the α7-nAChR expression in the A549 cells. Using the siRNA against α7-nAChR and inhibitors of different cell-surface receptors, we showed that rSLURP-1 antiproliferative effect in A549 cells is connected with α7-nAChR, epidermal growth factor receptors, and β-adrenergic receptors. Moreover, we found that downstream effectors of rSLURP-1 are IP3 receptors and the STAT3 transcription factor. Implication of the IP3 receptors and PTEN in the rSLURP-1 antiproliferative activity points on the AKT-mediated signaling pathway. Co-application of rSLURP-1 with gefitinib and bortezomib (currently used anticancer drugs) resulted in an additive suppression of the A549 cells proliferation up to ~44% and 35%, respectively. Thus, rSLURP-1 could be considered a promising prototype of drugs to prevent nicotine-induced pathologies and cancer treatment.
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Affiliation(s)
- Mikhail A Shulepko
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry RAS, 119997 Moscow, Russian Federation.
| | - Maxim L Bychkov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry RAS, 119997 Moscow, Russian Federation.
| | - Olga V Shlepova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry RAS, 119997 Moscow, Russian Federation.
| | - Zakhar O Shenkarev
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry RAS, 119997 Moscow, Russian Federation.
| | - Mikhail P Kirpichnikov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry RAS, 119997 Moscow, Russian Federation; Faculty of Biology, Lomonosov Moscow State University, 119234 Moscow, Russian Federation.
| | - Ekaterina N Lyukmanova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry RAS, 119997 Moscow, Russian Federation.
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10
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Xu LP, Qiu HB, Yuan SQ, Chen YM, Zhou ZW, Chen YB. Downregulation of PSCA promotes gastric cancer proliferation and is related to poor prognosis. J Cancer 2020; 11:2708-2715. [PMID: 32201541 PMCID: PMC7066023 DOI: 10.7150/jca.33575] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 01/02/2020] [Indexed: 02/06/2023] Open
Abstract
Background: Dysregulation of prostate stem cell antigen (PSCA) has been implicated in human cancers. Studies have reported that PSCA expression is generally high in prostate cancer, which correlates with a worse survival. PSCA is also highly expressed in bladder, ovarian, and pancreatic cancers. However, PSCA is expressed at low levels in gastric, gallbladder and oesophageal cancers. At present, the clinical significance, expression pattern and biological function of PSCA in gastric cancer (GC) are still unclear. Methods: Previously, we used cDNA microarray as a screening tool to compare GC tissues with its matched normal gastric mucosa tissues (MNGT), and obtained the differentially expressed genes of the two tissue types. PSCA is one of the genes significantly down-regulated in GC tissues. In this study, we detected the expression of PSCA in GC tissues and MNGT by western-blot experiment and immunohistochemical staining (IHC). Then the relationship between the expression pattern of PSCA and the clinicopathological characteristics and survival in GC was analyzed. In order to further study the function of PSCA in GC, lentivirus was used to construct stable cell lines with knockdown and overexpression of PSCA gene. We used AGS and MKN45 cell lines for plasmid transfection. Colony formation assay, MTS and nude mice xenograft model were performed to investigate the effect of PSCA in GC. Results: Western-blot and IHC assays demonstrated that the expression of PSCA in GC tissues was significantly lower than that in the MNGT. PSCA expression in GC tissues was high in 252 (57.5%) and low in 186 (42.5%) of 438 patients. PSCA expression for MNGT was high in 273 (62.3%) and low in 165 (37.7%) of 438 patients. PSCA expression was significantly associated with T classification (P=0.024), N classification (P=0.018) and TNM stage (P=0.019) using χ2 test. The relationship between PSCA expression level and patient survival was analysed using Kaplan-Meier analysis and the log-rank test. Low levels of PSCA expression were significantly associated with a poorer OS than high expression levels of PSCA (P=0.011). In the COX regression analysis of OS, all 9 variables in the univariate analysis were significantly correlated with OS (P<0.05), while the variables found to be independently correlated with OS in the multivariate analysis were PSCA expression (P=0.036), age (P<0.001), gender (P=0.007), and TNM stage (P<0.001), respectively. Univariate and multivariate analyses showed that PSCA was an independent prognostic factor for OS in GC. In vitro MTS cell proliferation experiment and clonal formation experiment and in vivo nude mouse subcutaneous tumorigenesis experiment all proved that knockdown of PSCA gene can improve the proliferation ability of GC cells, while in vitro experiment proved that overexpression of PSCA can reduce the proliferation ability of GC cells.It was found that knockdown of PSCA gene can improve the proliferation ability of GC cells both in vitro and in vivo, while overexpression of PSCA can reduce the proliferation ability of GC cells in vitro. Conclusion: Our study showed that the expression of PSCA gene was decreased in GC, which was related to more advanced pathological stages. And the expression level of PSCA in GC was an independent good prognostic factor. PSCA gene had the function of inhibiting GC proliferation.
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Affiliation(s)
- Li-Pu Xu
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Gastric Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Hai-Bo Qiu
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Gastric Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Shu-Qiang Yuan
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Gastric Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yong-Ming Chen
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Gastric Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Zhi-Wei Zhou
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Gastric Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Ying-Bo Chen
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Gastric Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China
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11
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Prokhnevska N, Emerson DA, Kissick HT, Redmond WL. Immunological Complexity of the Prostate Cancer Microenvironment Influences the Response to Immunotherapy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1210:121-147. [PMID: 31900908 DOI: 10.1007/978-3-030-32656-2_7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Prostate cancer is one of the most common cancers in men and a leading cause of cancer-related death. Recent advances in the treatment of advanced prostate cancer, including the use of more potent and selective inhibitors of the androgen signaling pathway, have provided significant clinical benefit for men with metastatic castration-resistant prostate cancer (mCRPC). However, most patients develop progressive lethal disease, highlighting the need for more effective treatments. One such approach is immunotherapy, which harness the power of the patient's immune system to identify and destroy cancer cells through the activation of cytotoxic CD8 T cells specific for tumor antigens. Although immunotherapy, particularly checkpoint blockade, can induce significant clinical responses in patients with solid tumors or hematological malignancies, minimal efficacy has been observed in men with mCRPC. In the current review, we discuss our current understanding of the immunological complexity of the immunosuppressive prostate cancer microenvironment, preclinical models of prostate cancer, and recent advances in immunotherapy clinical trials to improve outcomes for men with mCRPC.
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Affiliation(s)
| | - Dana A Emerson
- Molecular Microbiology and Immunology, Oregon Health and Science University, Portland, OR, USA.,Earle A. Chiles Research Institute, Providence Cancer Institute, Portland, OR, USA
| | | | - William L Redmond
- Earle A. Chiles Research Institute, Providence Cancer Institute, Portland, OR, USA.
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12
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Cui H, Tang M, Zhang M, Liu S, Chen S, Zeng Z, Shen Z, Song B, Lu J, Jia H, Gu D, Zhang B. Variants in the PSCA gene associated with risk of cancer and nonneoplastic diseases: systematic research synopsis, meta-analysis and epidemiological evidence. Carcinogenesis 2019; 40:70-83. [PMID: 30407486 DOI: 10.1093/carcin/bgy151] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 10/01/2018] [Indexed: 12/19/2022] Open
Abstract
Variants in the prostate stem cell antigen (PSCA) gene have been linked with risk of multiple cancers and other diseases. But results have been inconclusive and no systematic research synopsis has been available. We did a comprehensive meta-analysis to investigate associations between variants in this gene and risk of nine cancers and four nonneoplastic diseases based on data from 55 publications including 81 961 cases and 442 932 controls. We graded levels of cumulative epidemiological evidence of a significant association using the Venice criteria and false-positive report probability tests. We performed functional annotation for these variants using data from the Encyclopedia of DNA Elements Project and other public databases. We found that six variants were nominally significantly associated with an increased or reduced risk of three cancers and three nonneoplastic diseases (P < 0.05). Cumulative evidence of an association was graded as strong for rs2294008 [odds ratio (OR) = 1.32, P = 5.1 × 10-33], rs2976392 (OR = 1.29, P = 1.8 × 10-8), rs9297976 (OR = 0.75, P = 1.4 × 10-7), rs2976391 (OR = 1.38, P = 6.1 × 10-5) and rs138377917 (OR = 0.53, P = 0.008) with gastric cancer, rs2294008 with bladder cancer (OR = 1.15, P = 8.0 × 10-19), gastritis (OR = 1.35, P = 1.2 × 10-5), duodenal ulcer (OR = 0.68, P = 2.4 × 10-57) and gastric ulcer (OR = 0.88, P = 1.7 × 10-7). Data from the Encyclopedia of DNA Elements Project and other databases showed that these variants and other variants correlated with them might fall in putative functional regions. In conclusion, this study provides summary evidence that variants in the PSCA gene are associated with risk of gastric and bladder cancer, gastritis, as well as duodenal and gastric ulcer and highlights the significant role of this gene in the pathogenesis of these diseases.
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Affiliation(s)
- Huijie Cui
- Department of Epidemiology and Biostatistics, Southwest School of Medicine and First Affiliated Hospital, Army Medical University, Chongqing, China
| | - Mingshuang Tang
- Department of Epidemiology and Biostatistics, Southwest School of Medicine and First Affiliated Hospital, Army Medical University, Chongqing, China
| | - Min Zhang
- Department of Epidemiology and Biostatistics, Southwest School of Medicine and First Affiliated Hospital, Army Medical University, Chongqing, China
| | - Shanshan Liu
- Department of Epidemiology and Biostatistics, Southwest School of Medicine and First Affiliated Hospital, Army Medical University, Chongqing, China
| | - Siyu Chen
- Department of Epidemiology and Biostatistics, Southwest School of Medicine and First Affiliated Hospital, Army Medical University, Chongqing, China
| | - Ziqian Zeng
- Department of Epidemiology and Biostatistics, Southwest School of Medicine and First Affiliated Hospital, Army Medical University, Chongqing, China
| | - Zhuozhi Shen
- Department of Epidemiology and Biostatistics, Southwest School of Medicine and First Affiliated Hospital, Army Medical University, Chongqing, China
| | - Bin Song
- Department of Epidemiology and Biostatistics, Southwest School of Medicine and First Affiliated Hospital, Army Medical University, Chongqing, China
| | - Jiachun Lu
- Department of Epidemiology, School of Public Health, Institute for Chemical Carcinogenesis, Guangzhou Medical University, Guangzhou, China
| | - Hong Jia
- Department of Epidemiology, School of Public Health, Southwest Medical University, Luzhou, China
| | - Dongqing Gu
- Department of Epidemiology and Biostatistics, Southwest School of Medicine and First Affiliated Hospital, Army Medical University, Chongqing, China
| | - Ben Zhang
- Department of Epidemiology and Biostatistics, Southwest School of Medicine and First Affiliated Hospital, Army Medical University, Chongqing, China.,Department of Epidemiology, School of Public Health, Institute for Chemical Carcinogenesis, Guangzhou Medical University, Guangzhou, China.,Department of Epidemiology, School of Public Health, Southwest Medical University, Luzhou, China.,Department of Epidemiology, School of Public Health, Shanghai Jiaotong University School of Medicine, Shanghai, China
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13
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Impact of PSCA gene polymorphisms in modulating gastric cancer risk in the Chinese population. Biosci Rep 2019; 39:BSR20181025. [PMID: 31416884 PMCID: PMC6722488 DOI: 10.1042/bsr20181025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 06/23/2019] [Accepted: 08/13/2019] [Indexed: 12/15/2022] Open
Abstract
Previous studies have identified the prostate stem cell antigen (PSCA) gene rs2294008 C > T and rs2976392 G > A polymorphisms to be associated with the risk of gastric cancer, the results of which are inconsistent. The present study aimed to evaluate the association between the two polymorphisms and the gastric cancer risk in the Chinese population. A hospital-based case-control study was conducted on 549 cases and 592 healthy controls. Odds ratios (ORs) and 95% confidence intervals (CIs) were applied to evaluate the association of the two polymorphisms on the gastric cancer risk. We found that both rs2294008 (CT vs. CC, OR = 1.55, 95% CI = 1.20-1.99, P<0.001 and CT+TT vs. CC, OR = 1.38, 95% CI = 1.09-1.74, P=0.008) and rs2976392 (GA vs. GG, OR = 1.61, 95% CI = 1.25-2.07, P<0.001 and GA+AA vs. GG, OR = 1.52, 95% CI = 1.20-1.92, P<0.001) were associated with an increased gastric cancer. In the combined analysis of the two polymorphisms, subjects with more than one risk genotype have a significantly increased risk of gastric cancer (OR = 1.38, 95% CI = 1.09-1.75, P=0.008) in comparison with those without any risk genotypes. In conclusion, our findings verified that the PSCA gene rs2294008 and rs2976392 polymorphisms were both significantly associated with an increased risk of gastric cancer in the Chinese population. Well-designed functional studies are to be warranted to confirm these findings.
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14
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van der Toom EE, Axelrod HD, de la Rosette JJ, de Reijke TM, Pienta KJ, Valkenburg KC. Prostate-specific markers to identify rare prostate cancer cells in liquid biopsies. Nat Rev Urol 2019; 16:7-22. [PMID: 30479377 DOI: 10.1038/s41585-018-0119-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Despite improvements in early detection and advances in treatment, patients with prostate cancer continue to die from their disease. Minimal residual disease after primary definitive treatment can lead to relapse and distant metastases, and increasing evidence suggests that circulating tumour cells (CTCs) and bone marrow-derived disseminated tumour cells (BM-DTCs) can offer clinically relevant biological insights into prostate cancer dissemination and metastasis. Using epithelial markers to accurately detect CTCs and BM-DTCs is associated with difficulties, and prostate-specific markers are needed for the detection of these cells using rare cell assays. Putative prostate-specific markers have been identified, and an optimized strategy for staining rare cancer cells from liquid biopsies using these markers is required. The ideal prostate-specific marker will be expressed on every CTC or BM-DTC throughout disease progression (giving high sensitivity) and will not be expressed on non-prostate-cancer cells in the sample (giving high specificity). Some markers might not be specific enough to the prostate to be used as individual markers of prostate cancer cells, whereas others could be truly prostate-specific and would make ideal markers for use in rare cell assays. The goal of future studies is to use sensitive and specific prostate markers to consistently and reliably identify rare cancer cells.
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Affiliation(s)
| | - Haley D Axelrod
- The James Buchanan Brady Urological Institute, Baltimore, MD, USA.,Graduate Program in Cellular and Molecular Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | | | | | - Kenneth J Pienta
- The James Buchanan Brady Urological Institute, Baltimore, MD, USA
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15
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Zhang M, Kobayashi N, Zettlitz KA, Kono EA, Yamashiro JM, Tsai WTK, Jiang ZK, Tran CP, Wang C, Guan J, Wu AM, Reiter RE. Near-Infrared Dye-Labeled Anti-Prostate Stem Cell Antigen Minibody Enables Real-Time Fluorescence Imaging and Targeted Surgery in Translational Mouse Models. Clin Cancer Res 2018; 25:188-200. [PMID: 30301826 DOI: 10.1158/1078-0432.ccr-18-1382] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 08/22/2018] [Accepted: 10/03/2018] [Indexed: 12/22/2022]
Abstract
PURPOSE The inability to intraoperatively distinguish primary tumor, as well as lymphatic spread, increases the probability of positive surgical margins, tumor recurrence, and surgical toxicity. The goal of this study was to develop a tumor-specific optical probe for real-time fluorescence-guided surgery. EXPERIMENTAL DESIGN A humanized antibody fragment against PSCA (A11 minibody, A11 Mb) was conjugated with a near-infrared fluorophore, IRDye800CW. The integrity and binding of the probe to PSCA were confirmed by gel electrophoresis, size-exclusion chromatography, and flow cytometry, respectively. The ability of the probe to detect tumor-infiltrated lymph nodes and metastatic lesions was evaluated in 2 xenograft models, as well as in transgenic mice expressing human PSCA (hPSCA). An invasive intramuscular model was utilized to evaluate the efficacy of the A11 Mb-IRDye800CW-guided surgery. RESULTS A11 Mb was successfully conjugated with IRDye800CW and retained specific binding to PSCA. In vivo imaging showed maximal signal-to-background ratios at 48 hours. The A11 Mb-IRDye800CW specifically detected PSCA-positive primary tumors, tumor-infiltrated lymph nodes, and distant metastases with high contrast. Fluorescence guidance facilitated more complete tumor resection, reduced tumor recurrence, and improved overall survival, compared with conventional white light surgery. The probe successfully identified primary orthotopic tumors and metastatic lesions in hPSCA transgenic mice. CONCLUSIONS Real-time fluorescence image-guided surgery with A11 Mb-IRDye800CW enabled detection of lymph node metastases and positive surgical margins, facilitated more complete tumor removal, and improved survival, compared with white light surgery. These results may be translatable into clinical practice to improve surgical and patient outcomes.
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Affiliation(s)
- Mo Zhang
- Department of Urology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California.,Department of Urology, Shengjing Hospital, China Medical University, Shenyang, China
| | - Naoko Kobayashi
- Department of Urology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Kirstin A Zettlitz
- Crump Institute for Molecular Imaging, Department of Molecular and Medical Pharmacology, University of California Los Angeles, Los Angeles, California
| | - Evelyn A Kono
- Department of Urology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Joyce M Yamashiro
- Department of Urology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Wen-Ting K Tsai
- Crump Institute for Molecular Imaging, Department of Molecular and Medical Pharmacology, University of California Los Angeles, Los Angeles, California
| | - Ziyue K Jiang
- Department of Urology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Chau P Tran
- Department of Urology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Chung Wang
- Department of Urology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Johnny Guan
- Department of Urology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Anna M Wu
- Crump Institute for Molecular Imaging, Department of Molecular and Medical Pharmacology, University of California Los Angeles, Los Angeles, California
| | - Robert E Reiter
- Department of Urology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California.
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16
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Park B, Yang S, Lee J, Woo HD, Choi IJ, Kim YW, Ryu KW, Kim YI, Kim J. Genome-Wide Association of Genetic Variation in the PSCA Gene with Gastric Cancer Susceptibility in a Korean Population. Cancer Res Treat 2018; 51:748-757. [PMID: 30189721 PMCID: PMC6473284 DOI: 10.4143/crt.2018.162] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 09/04/2018] [Indexed: 12/29/2022] Open
Abstract
PURPOSE Half of the world's gastric cancer cases and the highest gastric cancer mortality rates are observed in Eastern Asia. Although several genome-wide association studies (GWASs) have revealed susceptibility genes associated with gastric cancer, no GWASs have been conducted in the Korean population, which has the highest incidence of gastric cancer. Materials and Methods We performed genome scanning of 450 gastric cancer cases and 1,134 controls via Affymetrix Axiom Exome 319 arrays, followed by replication of 803 gastric cancer cases and 3,693 healthy controls. RESULTS We showed that the rs2976394 in the prostate stem cell antigen (PSCA) gene is a gastriccancer-susceptibility gene in a Korean population, with genome-wide significance and an odds ratio (OR) of 0.70 (95% confidence interval [CI], 0.64 to 0.77). A strong linkage disequilibrium with rs2294008 was also found, indicating an association with susceptibility. Individuals with the CC genotype of the PSCA gene showed an approximately 2-fold lower risk of gastric cancer compared to those with the TT genotype (OR, 0.47; 95% CI, 0.39 to 0.57). The effect of the PSCA gene on gastric cancer was more prominent in the female population and for diffuse type gastric cancer. CONCLUSION Our result confirmed that the PSCA gene may be the most important susceptibility gene for gastric cancer risk in a Korean population.
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Affiliation(s)
- Boyoung Park
- Department of Medicine, Hanyang University College of Medicine, Seoul, Korea.,Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Korea
| | - Sarah Yang
- Molecular Epidemiology Branch, Division of Cancer Epidemiology and Prevention, Research Institute, National Cancer Center, Goyang, Korea.,Department of Public Health, Graduate School of Public Health, Seoul National University, Seoul, Korea
| | - Jeonghee Lee
- Molecular Epidemiology Branch, Division of Cancer Epidemiology and Prevention, Research Institute, National Cancer Center, Goyang, Korea
| | - Hae Dong Woo
- Molecular Epidemiology Branch, Division of Cancer Epidemiology and Prevention, Research Institute, National Cancer Center, Goyang, Korea
| | - Il Ju Choi
- Center for Gastric Cancer, National Cancer Center Hospital, National Cancer Center, Goyang, Korea
| | - Young Woo Kim
- Center for Gastric Cancer, National Cancer Center Hospital, National Cancer Center, Goyang, Korea
| | - Keun Won Ryu
- Center for Gastric Cancer, National Cancer Center Hospital, National Cancer Center, Goyang, Korea
| | - Young-Il Kim
- Center for Gastric Cancer, National Cancer Center Hospital, National Cancer Center, Goyang, Korea
| | - Jeongseon Kim
- Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Korea.,Molecular Epidemiology Branch, Division of Cancer Epidemiology and Prevention, Research Institute, National Cancer Center, Goyang, Korea
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17
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Cheng F, Yu W, Zhang X, Ruan Y. Quantum-dot-based technology for sensitive and stable detection of prostate stem cell antigen expression in human transitional cell carcinoma. Int J Biol Markers 2018; 24:271-6. [DOI: 10.1177/172460080902400409] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Quantum dots (QDs) as a biological labeling material for medical applications need to be evaluated for the sensitivity and stability of their fluorescence. Comparison of QD-based immunolabeling and commonly used immunohistochemical staining in detecting the expression of prostate stem cell antigen (PSCA) in bladder tumor tissues revealed that the two methods had similar sensitivity in the differential display of PSCA expression correlated with tumor stage and grade (κ=0.92, p<0.001). In addition, the intensity of QD fluorescence remained stable for at least 10 days after conjugation to the PSCA protein and nearly 96% of the positive expression in samples lasted for one month.
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Affiliation(s)
- Fan Cheng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province - People's Republic of China
| | - Weimin Yu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province - People's Republic of China
| | - Xiaobin Zhang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province - People's Republic of China
| | - Yuan Ruan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province - People's Republic of China
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18
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Sung H, Hu N, Yang HH, Giffen CA, Zhu B, Song L, Su H, Wang C, Parisi DM, Goldstein AM, Taylor PR, Hyland PL. Association of high-evidence gastric cancer susceptibility loci and somatic gene expression levels with survival. Carcinogenesis 2017; 38:1119-1128. [PMID: 29028942 DOI: 10.1093/carcin/bgx090] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 08/17/2017] [Indexed: 12/17/2022] Open
Abstract
Eleven high-evidence single-nucleotide polymorphisms (SNPs) at nine loci for gastric cancer (GC) risk were reported, but their associations with survival remain unknown. In this study, we examined associations between SNP and GC survival by anatomic location and histology among 1147 incident cases from the Shanxi Upper Gastrointestinal Genetics Project. We further examined whether SNPs were expression quantitative trait loci in normal and tumor gastric tissues, and whether tumor versus normal somatic mRNA differences in 126 cases were associated with survival. No SNPs were associated with GC survival overall. However, subtype-specific associations were observed for gastric cardia adenocarcinomas at MUC1/TRIM46/1q22 rs2070803 [HRAA versus GA+GG = 2.16; 95% confidence interval (CI) = 1.24-3.78; P = 0.0068] and LTA/TNF/6p21.33 rs1799724 (HRTT+CT versus CC = 1.30; 95% CI = 1.07-1.57; P = 0.0077), and for diffuse-type GC at PSCA/8q24.3 rs2294008 (HRTT versus CT+CC = 1.99; 95% CI = 1.33-2.97; P = 7.8E-04). Rs2294008T was a cis-expression quantitative trait loci for PSCA, upregulating mRNA in normal gastric (β = 0.60; P = 5.7E-21) and GC (β = 0.30; P = 0.0089) tissues. Cases in the highest quartile (the smallest downregulation of tumor PSCA) had shortest survival than cases with the most downregulated PSCA (median survival of 0.47 years in the highest quartile versus 3.73 years in the lowest quartile; hazard ratio = 9.70; 95% CI = 2.46-38.4; P = 0.0012). Less striking effects for mRNA levels were observed for MTX1 at 1q22 in gastric cardia adenocarcinoma and for JRK at 8q24.3 in diffuse GC. Our results suggest three high-evidence GC risk loci have prognostic importance in GC subtypes. Future studies in well-characterized independent populations are warranted to validate our findings and further investigate the clinical utility of these variants in predicting GC prognosis.
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Affiliation(s)
- Hyuna Sung
- Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Nan Hu
- Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Howard H Yang
- High-dimension Data Analysis Group, Basic Research Laboratory, Center for Cancer Research, NCI, NIH, Bethesda, MD, USA
| | - Carol A Giffen
- Information Management Services, Inc, Calverton, MD, USA
| | - Bin Zhu
- Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Lei Song
- Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Hua Su
- Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Chaoyu Wang
- Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
| | | | - Alisa M Goldstein
- Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Philip R Taylor
- Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Paula L Hyland
- Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
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19
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Exploratory investigation of PSCA-protein expression in primary breast cancer patients reveals a link to HER2/neu overexpression. Oncotarget 2017; 8:54592-54603. [PMID: 28903367 PMCID: PMC5589606 DOI: 10.18632/oncotarget.17523] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Accepted: 03/29/2017] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Prostate stem cell antigen (PSCA) has been suggested as biomarker and therapeutic target for prostate cancer. Recent advances showed that PSCA is up-regulated in other cancer entities, such as bladder or pancreatic cancer. However, the clinical relevance of PSCA-expression in breast cancer patients has not yet been established and is therefore addressed by the current study. METHODS PSCA-protein expression was assessed in 405 breast cancer patients, using immunohistochemistry (PSCA antibody MB1) and tissue microarrays. RESULTS PSCA-expression was detected in 94/405 patients (23%) and correlated with unfavorable histopathological grade (p=0.011) and increased Ki67 proliferation index (p=0.006). We observed a strong positive correlation between PSCA-protein expression and HER2/neu receptor status (p<0.001). PSCA did not provide prognostic information in the analyzed cohort. Interestingly, the distribution of PSCA-expression among triple negative patients was comparable to the total population. CONCLUSION We identified a subgroup of PSCA-positive breast cancer patients, which could be amenable for a PSCA-targeted therapy. Moreover, given that we found a strong positive correlation between PSCA- and HER/neu expression, targeting PSCA may provide an alternative therapeutic option in case of trastuzumab resistance.
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20
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Cai M, Dai S, Chen W, Xia C, Lu L, Dai S, Qi J, Wang M, Wang M, Zhou L, Lei F, Zuo T, Zeng H, Zhao X. Environmental factors, seven GWAS-identified susceptibility loci, and risk of gastric cancer and its precursors in a Chinese population. Cancer Med 2017; 6:708-720. [PMID: 28220687 PMCID: PMC5345626 DOI: 10.1002/cam4.1038] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 01/16/2017] [Accepted: 01/18/2017] [Indexed: 12/15/2022] Open
Abstract
Gene–environment interactions may increase gastric cancer (GC) risk. Seven susceptibility loci identified by genome‐wide association studies (GWASs) suggest that genetic factors play a role in gastric carcinogenesis. Meanwhile, Helicobacter pylori (H. pylori) infection, smoking, and alcohol drinking are also important environmental factors for gastric cancer. However, studies to explore the role of gene–environment interactions in gastric carcinogenesis, and particularly the relationship between the seven susceptibility loci and their potential interactions with H. pylori infection, smoking, and alcohol drinking in risk of GC, and severe intestinal metaplasia (IM)/dysplasia, have been inconclusive. A total of 1273 subjects in a Chinese population were recruited, and genotyping was carried out using the competitive allele‐specific PCR (KASP) method. Unconditional logistic regression was applied to model the associations between genetic polymorphisms and the disease risk. Effect modifications by H. pylori infection, smoking and alcohol drinking were evaluated. PSCA rs2294008/rs2976392 showed a significant, multiplicative interaction with H. pylori infection in risk of GC. Meanwhile, PRKAA1 rs13361707 had an additive interaction with H. pylori infection. SLC52A3 rs13042395 showed an interaction with alcohol drinking in risk of GC. Moreover, three SNPs, MUC1 rs4072037, ZBTB20 rs9841504 and PRKAA1 rs13361707, were associated with precancerous gastric lesions (severe IM/dysplasia). Our data suggest that genetic predisposition factors identified by GWAS may interact with environmental risk factors, Particularly for H. pylori infection and alcohol consumption, to increase the risk of GC.
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Affiliation(s)
- Meng Cai
- State Key Laboratory of Molecular Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shuyang Dai
- State Key Laboratory of Molecular Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wanqing Chen
- National Office for Cancer Prevention and Control, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Changfa Xia
- National Office for Cancer Prevention and Control, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lingeng Lu
- Department of Chronic Disease Epidemiology, Yale School of Public Health, School of Medicine, Yale Cancer Center, Yale University, New Haven, Connecticut, USA
| | - Shuguang Dai
- Center for Disease Control and Prevention of Sheyang County, Sheyang, Jiangsu, China
| | - Jun Qi
- Department of Clinical Laboratory, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Minjie Wang
- Department of Clinical Laboratory, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Meilin Wang
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, Jiangsu, China.,Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Lanping Zhou
- State Key Laboratory of Molecular Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Fuhua Lei
- Department of Pathology, Feicheng People Hospital, Feicheng, Shandong, China
| | - Tingting Zuo
- National Office for Cancer Prevention and Control, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hongmei Zeng
- National Office for Cancer Prevention and Control, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiaohang Zhao
- State Key Laboratory of Molecular Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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21
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Lee IS, Pil Seo S, Sok Ha Y, Jeong P, Won Kang H, Tae Kim W, Kim YJ, Joong Yun S, Cheol Lee S, Kim WJ. Genetic variation of the PSCA gene (rs2294008) is not associated with the risk of prostate cancer. J Biomed Res 2017; 31:226-231. [PMID: 28808221 PMCID: PMC5460610 DOI: 10.7555/jbr.31.20160072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Prostate stem cell antigen ( PSCA ) is a cell-membrane glycoprotein consisting of 123 amino acids and highly expressed in the prostate, but there have been few reports on the relationship between rs2294008 of PSCA and prostate cancer in the literature. Therefore, we evaluated the association between rs2294008 and the risk of prostate cancer. A total of 240 prostate cancer patients and 306 controls (patients with benign prostatic hyperplasia) were enrolled. Genotype analysis of rs2294008 of PSCA was performed using PCR. Logistic regression analysis was performed according to the genotype of PSCA rs2294008. We found that CT and TT genotypes were associated with an insignificant risk of prostate cancer compared with the CC genotype ( P = 0.627 and 0.397, respectively). In addition, there was no significant difference in rs2294008 according to clinicopathological parameters, such as age, Gleason score, prostate-specific antigen (PSA), stage, and metastasis in prostate cancer ( P >0.05 for each). Age, Gleason score, PSA, pathologic stage, and metastasis did not modify the association between PSCA and the risk of prostate cancer (each P >0.05 for each). Taken together, the genetic polymorphism of PSCA rs2294008 was not associated with the risk of prostate cancer. Our results suggest that rs2294008 may not play a role in prostate carcinogenesis.
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Affiliation(s)
- Il-Seok Lee
- Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk 361-711, South Korea
| | - Sung Pil Seo
- Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk 361-711, South Korea
| | - Yun Sok Ha
- Department of Urology, School of Medicine, Kyungpook National University, Daegu 700-422, South Korea
| | - Pildu Jeong
- Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk 361-711, South Korea
| | - Ho Won Kang
- Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk 361-711, South Korea
| | - Won Tae Kim
- Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk 361-711, South Korea
| | - Yong-June Kim
- Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk 361-711, South Korea
| | - Seok Joong Yun
- Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk 361-711, South Korea
| | - Sang Cheol Lee
- Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk 361-711, South Korea
| | - Wun-Jae Kim
- Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk 361-711, South Korea
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22
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Organization, evolution and functions of the human and mouse Ly6/uPAR family genes. Hum Genomics 2016; 10:10. [PMID: 27098205 PMCID: PMC4839075 DOI: 10.1186/s40246-016-0074-2] [Citation(s) in RCA: 140] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Accepted: 04/14/2016] [Indexed: 01/08/2023] Open
Abstract
Members of the lymphocyte antigen-6 (Ly6)/urokinase-type plasminogen activator receptor (uPAR) superfamily of proteins are cysteine-rich proteins characterized by a distinct disulfide bridge pattern that creates the three-finger Ly6/uPAR (LU) domain. Although the Ly6/uPAR family proteins share a common structure, their expression patterns and functions vary. To date, 35 human and 61 mouse Ly6/uPAR family members have been identified. Based on their subcellular localization, these proteins are further classified as GPI-anchored on the cell membrane, or secreted. The genes encoding Ly6/uPAR family proteins are conserved across different species and are clustered in syntenic regions on human chromosomes 8, 19, 6 and 11, and mouse Chromosomes 15, 7, 17, and 9, respectively. Here, we review the human and mouse Ly6/uPAR family gene and protein structure and genomic organization, expression, functions, and evolution, and introduce new names for novel family members.
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23
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PSCA rs2294008 polymorphism contributes to the decreased risk for cervical cancer in a Chinese population. Sci Rep 2016; 6:23465. [PMID: 27001215 PMCID: PMC4802316 DOI: 10.1038/srep23465] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Accepted: 03/08/2016] [Indexed: 12/24/2022] Open
Abstract
Recently, three genome-wide association studies have identified the PSCA (prostate stem cell antigen) rs2294008 polymorphism (C > T) associated with susceptibility to gastric cancer, bladder cancer, and duodenal ulcers, highlighting its critical role in disease pathogenesis. Given PSCA is reported to be overexpressed in cervical cancer and the rs2294008 can influence PSCA transcription, we aimed to determine the role of rs2294008 in susceptibility to cervical cancer. The genotyping was performed in the 1126 cases and 1237 controls. Our results showed the rs2294008 TT genotype significantly associated with a reduced risk of cervical cancer (adjusted OR = 0.55, 95% CI = 0.38-0.79; recessive model). Stratified analyses revealed that the association was restricted to the subgroups of age > 49 years, parity ≤ 1, abortion and early-stage cervical cancer. Immunohistochemistry assay showed the individuals carrying the TT genotype having lower PSCA expression than those with CC/CT genotypes. In summary, the PSCA rs2294008 polymorphism may serve as a biomarker of cervical cancer, particularly of early-stage cervical cancer.
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24
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Qiu LX, Cheng L, He J, Zhou ZR, Wang MY, Zhou F, Guo WJ, Li J, Sun MH, Zhou XY, Wang YN, Yang YJ, Wang JC, Jin L, Zhu XD, Wei QY. PSCA polymorphisms and gastric cancer susceptibility in an eastern Chinese population. Oncotarget 2016; 7:9420-8. [PMID: 26848528 PMCID: PMC4891049 DOI: 10.18632/oncotarget.7137] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Accepted: 01/19/2016] [Indexed: 02/07/2023] Open
Abstract
The prostate stem cell antigen (PSCA) gene, which encodes a prostate-specific antigen (PSA), was identified as a gene involved in cell adhesion and proliferation. The associations between the PSCA rs2294008 and rs2976392 single nucleotide polymorphisms (SNPs) and gastric cancer (GCa) susceptibility were still controversial. To derive a more precise estimation of the associations, we conducted a case-control study of 1,124 cases and 1,192 controls in an eastern Chinese population. We found that the rs2294008T variant genotypes were associated with an increased GCa risk in this study population (CT vs CC, OR=1.59, 95% CI=1.33-1.89 and CT+TT vs CC, OR=1.38, 95% CI=1.17-1.62). For SNP rs2976392, the variant A genotypes were also associated with an increased GCa risk (AG vs GG, OR=1.61, 95% CI=1.35-1.91 and AG+AA vs GG, OR=1.47, 95% CI=1.25-1.74). The results were further validated by a meta-analysis. In conclusion, the results indicated that the PSCA rs2294008 T and rs2976392 A alleles were low-penetrate risk factors for GCa in this study population. However, large and well-designed studies are warranted to validate our findings.
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Affiliation(s)
- Li-Xin Qiu
- 1 Department of Medical Oncology, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- 2 Cancer Institute, Collaborative Innovation Center for Cancer Medicine, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Lei Cheng
- 2 Cancer Institute, Collaborative Innovation Center for Cancer Medicine, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Jing He
- 3 Department of Pediatric Surgery, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Zhi-Rui Zhou
- 4 Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Meng-Yun Wang
- 2 Cancer Institute, Collaborative Innovation Center for Cancer Medicine, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Fei Zhou
- 2 Cancer Institute, Collaborative Innovation Center for Cancer Medicine, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Wei-Jian Guo
- 1 Department of Medical Oncology, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jin Li
- 1 Department of Medical Oncology, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Meng-Hong Sun
- 5 Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Xiao-Yan Zhou
- 5 Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Ya-Nong Wang
- 6 Department of Gastric Cancer & Soft Tissue Sarcoma Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Ya-Jun Yang
- 7 Ministry of Education Key Laboratory of Contemporary Anthropology and State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
- 8 Fudan-Taizhou Institute of Health Sciences, Taizhou, China
| | - Jiu-Cun Wang
- 7 Ministry of Education Key Laboratory of Contemporary Anthropology and State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
- 8 Fudan-Taizhou Institute of Health Sciences, Taizhou, China
| | - Li Jin
- 7 Ministry of Education Key Laboratory of Contemporary Anthropology and State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
- 8 Fudan-Taizhou Institute of Health Sciences, Taizhou, China
| | - Xiao-Dong Zhu
- 1 Department of Medical Oncology, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Qing-Yi Wei
- 2 Cancer Institute, Collaborative Innovation Center for Cancer Medicine, Fudan University Shanghai Cancer Center, Shanghai, China
- 9 Duke Cancer Institute, Duke University Medical Center, and Department of Medicine, Duke University School of Medicine, Durham, NC, USA
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25
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Zhang LY, Wu JL, Qiu HB, Dong SS, Zhu YH, Lee VHF, Qin YR, Li Y, Chen J, Liu HB, Bi J, Ma S, Guan XY, Fu L. PSCA acts as a tumor suppressor by facilitating the nuclear translocation of RB1CC1 in esophageal squamous cell carcinoma. Carcinogenesis 2016; 37:320-332. [PMID: 26785734 DOI: 10.1093/carcin/bgw010] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Accepted: 01/14/2016] [Indexed: 12/12/2022] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) is an aggressive malignancy; its mechanisms of development and progression are poorly understood. By high-throughput transcriptome sequencing (RNA-Seq) profiling of three pairs of primary ESCCs and their corresponding non-tumorous tissues, we identified that prostate stem cell antigen (PSCA), a gene that encodes a glycosylphosphatidylinositol-anchored protein, is significantly downregulated in ESCC. Here, we reported decreased expression of PSCA in 188/218 (86.2%) of primary ESCC cases and was negatively regulated by its transcription factor sex-determining region Y-box5 that was significantly associated with the poor differentiation (P = 0.003), increased lymph node metastasis (P < 0.0001), advanced stage (P = 0.007), and disease-specific survival (P < 0.0001), but not associated with the recently reported transcrible rs2294008 (C > T) polymorphism in ESCC. Functional studies showed that PSCA could arrest cell cycle progression and promote cell differentiation independent of the start codon polymorphism. Further mechanistic studies revealed that retinoblastoma 1-inducible coiled-coil 1 (RB1CC1), a key signaling node to regulate cellular proliferation and differentiation, interacted specifically with PSCA in ESCC cells. Binding of PSCA and RB1CC1 in cytoplasm resulted in stabilization and translocation of RB1CC1 into nucleus, thereby activating key factors involved in cell cycle arrest and differentiation. Collectively, our data provide a novel molecular mechanism for the tumor suppressor role of PSCA and may help design effective therapy targeting PSCA-RB1CC1 pathway to control esophageal cancer growth and differentiation.
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Affiliation(s)
- Li-Yi Zhang
- Department of Clinical Oncology, University of Hong Kong, Room 56, 10/F, Laboratory Block, 21 Sassoon Road, Hong Kong 999077, China.,State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University, Guangzhou 510000, China
| | - Jian-Lin Wu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology , Macau 999078 , China
| | - Hai-Bo Qiu
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University, Guangzhou 510000, China.,Department of Gastric and Pancreatic Surgery, Cancer Center, Sun Yat-Sen University, Guangzhou 510000, China
| | - Sui-Sui Dong
- Department of Clinical Oncology, University of Hong Kong , Room 56, 10/F, Laboratory Block, 21 Sassoon Road, Hong Kong 999077 , China
| | - Ying-Hui Zhu
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University , Guangzhou 510000 , China
| | - Victor Ho-Fun Lee
- Department of Clinical Oncology, University of Hong Kong , Room 56, 10/F, Laboratory Block, 21 Sassoon Road, Hong Kong 999077 , China
| | - Yan-Ru Qin
- Department of Clinical Oncology, The First Affiliated Hospital, Zhengzhou University , Zhengzhou 450000 , China
| | - Yan Li
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University , Guangzhou 510000 , China
| | - Juan Chen
- Department of Clinical Oncology, University of Hong Kong , Room 56, 10/F, Laboratory Block, 21 Sassoon Road, Hong Kong 999077 , China
| | - Hai-Bo Liu
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University , Guangzhou 510000 , China
| | - Jiong Bi
- Laboratory of Surgery, The First Affiliated Hospital, Sun Yat-Sen University , Guangzhou 510000 , China and
| | - Stephanie Ma
- Department of Clinical Oncology, University of Hong Kong , Room 56, 10/F, Laboratory Block, 21 Sassoon Road, Hong Kong 999077 , China
| | - Xin-Yuan Guan
- Department of Clinical Oncology, University of Hong Kong, Room 56, 10/F, Laboratory Block, 21 Sassoon Road, Hong Kong 999077, China.,State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University, Guangzhou 510000, China
| | - Li Fu
- Shenzhen Key Laboratory of Translational Medicine of Tumor and Cancer Research Centre, School of Medicine, Shenzhen University , Shenzhen 518000 , China
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26
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Uotani T, Sugimoto M, Ichikawa H, Tanaka S, Nagashima H, Uchida T, Graham DY, Yamaoka Y. Prostate stem cell antigen gene TT genotype and development of intestinal metaplasia in Helicobacter pylori infection. J Dig Dis 2016; 17:20-7. [PMID: 26706772 PMCID: PMC4783456 DOI: 10.1111/1751-2980.12309] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 12/18/2015] [Accepted: 12/20/2015] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Gastric cancer is etiologically related to interactions between Helicobacter pylori (H. pylori) infection, environmental and host factors. Gastric carcinoma is associated with a cascade of increasing atrophic gastric mucosal damage. Prostate stem cell antigen (PSCA) polymorphisms have been associated with an increased risk of gastric cancer. We aimed to examine the interaction between PSCA polymorphisms and H. pylori in the progression of H. pylori-related gastritis. METHODS The genotypes (TT, TC and CC) of PSCA single nucleotide polymorphism rs2294008 among H. pylori infected and uninfected Bhutanese were compared with the severity of H. pylori-related gastritis [neutrophils, monocytes, atrophy scores, H. pylori density, and the presence and extent of intestinal metaplasia (IM)] using the updated Sydney system. RESULTS Biopsies from 339 participants were included. The proportion of biopsies with IM was significantly (P < 0.05) greater in those with the TT genotype than in either those with the CT or CC genotype. Although no significant differences were found in inflammation or H. pylori density scores, the scores for IM at both gastric corpus and antrum among participants infected by H. pylori with the TT genotype was significantly (P < 0.05) greater than in the C allele carriers. CONCLUSION PSCA TT genotype is associated with a more than a threefold increase in the prevalence and the extent of gastric mucosal IM compared to C allele carriers among H. pylori-infected Bhutanese.
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Affiliation(s)
- Takahiro Uotani
- Department of Gastroenterology and Hepatology, Baylor College of Medicine and Michael DeBakey Veterans Affairs Medical Center, Houston, USA,Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, Yufu, Japan
| | - Mitsushige Sugimoto
- Division of Digestive Endoscopy, Shiga University of Medical Science Hospital, Otsu, Japan
| | - Hitomi Ichikawa
- First department of Medicine, Hamamatsu University school of Medicine, Hamamatsu, Japan
| | - Shingo Tanaka
- Department of Gastroenterology and Hepatology, Baylor College of Medicine and Michael DeBakey Veterans Affairs Medical Center, Houston, USA,Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, Yufu, Japan
| | | | - Tomohisa Uchida
- Department of Molecular Pathology, Oita University Faculty of Medicine, Yufu, Japan
| | - David Y. Graham
- Department of Gastroenterology and Hepatology, Baylor College of Medicine and Michael DeBakey Veterans Affairs Medical Center, Houston, USA
| | - Yoshio Yamaoka
- Department of Gastroenterology and Hepatology, Baylor College of Medicine and Michael DeBakey Veterans Affairs Medical Center, Houston, USA,Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, Yufu, Japan
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27
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Geng P, Li J, Wang N, Ou J, Xie G, Liu C, Zhao X, Xiang L, Liao Y, Liang H. PSCA rs2294008 Polymorphism with Increased Risk of Cancer. PLoS One 2015; 10:e0136269. [PMID: 26308216 PMCID: PMC4550426 DOI: 10.1371/journal.pone.0136269] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Accepted: 08/03/2015] [Indexed: 12/15/2022] Open
Abstract
Background Published data on the association between PSCA rs2294008 polymorphism and cancer risk have implicated inconclusive results. To determine the relationship and to precisely assess the effect size estimate of the association, we performed a meta-analysis. Methods We searched published literature in Embase and PubMed databases using the search terms “PSCA”, “prostate stem cell antigen”, “variants”, “polymorphism”, “polymorphisms”, and “cancer”. A total of 21 eligible articles were retrieved, with 27, 197 cancer cases and 48, 237 controls. Results On the whole, we found the association between PSCA rs2294008 polymorphism and cancer risk was statistically significant: TT vs CC: OR = 1.18, 95% CI, 1.10 to 1.27; TT + CT vs CC: OR = 1.08, 95% CI, 1.05 to 1.10; TT vs CT + CC: OR = 1.14, 95% CI, 1.07 to 1.21; T vs C: OR = 1.10, 95% CI, 1.06 to 1.14; CT vs CC: OR = 1.10, 95% CI, 1.06 to 1.13. Stratified analyses in cancer type and ethnicity showed similar results. Conclusions Based on the statistical evidence, we can draw a conclusion that the rs2294008 polymorphism of PSCA gene is likely to play a role in cancer carcinogenesis, especially in gastric cancer and bladder cancer.
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Affiliation(s)
- Peiliang Geng
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China
| | - Jianjun Li
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China
| | - Ning Wang
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China
| | - Juanjuan Ou
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China
| | - Ganfeng Xie
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China
| | - Chen Liu
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China
| | - Xiaoxin Zhao
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China
| | - Lisha Xiang
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China
| | - Yunmei Liao
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China
| | - Houjie Liang
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China
- * E-mail:
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28
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Wang L, Sang Y, Tang J, Zhang RH, Luo D, Chen M, Deng WG, Kang T. Down-regulation of prostate stem cell antigen (PSCA) by Slug promotes metastasis in nasopharyngeal carcinoma. J Pathol 2015; 237:411-22. [PMID: 26147638 DOI: 10.1002/path.4582] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Revised: 06/11/2015] [Accepted: 06/30/2015] [Indexed: 01/27/2023]
Abstract
Distant metastasis and local recurrence are still the major causes for failure of treatment in patients with nasopharyngeal carcinoma (NPC), making it urgent to further elicit the molecular mechanisms of NPC metastasis. Using a gene microarray including transcription factors and known markers for cancer stem cells, prostate stem cell antigen (PSCA) was found to be significantly down-regulated in metastatic NPC in lymph node, compared to its primary tumour, and in NPC cell lines with high metastatic ability compared to those with low metastatic ability. NPC patients with low PSCA expression had a consistently poor metastasis-free survival (p = 0.003). Knockdown and overexpression of PSCA respectively enhanced and impaired the migration and invasion in vitro and the lung metastasis in vivo of NPC cells. Mechanistically, the enhancement of NPC metastasis by knocking down PSCA probably involved epithelial-mesenchymal transition (EMT), by up-regulating N-cadherin and ZEB1/2 and by activating RhoA. The down-regulation of PSCA in NPC cells resulted directly from the binding of Slug to the PSCA promoter. PSCA may be a potential diagnostic marker and therapeutic target for patients with NPC.
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Affiliation(s)
- Li Wang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, China
| | - Yi Sang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, China.,Nanchang Key Laboratory of Cancer Pathogenesis and Translational Research, The Third Affiliated Hospital, Nanchang University, Nanchang, China
| | - Jianjun Tang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, China
| | - Ru-Hua Zhang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, China
| | - Donghua Luo
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, China
| | - Mingyuan Chen
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, China
| | - Wu-Guo Deng
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, China
| | - Tiebang Kang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, China
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29
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Abate-Daga D, Lagisetty KH, Tran E, Zheng Z, Gattinoni L, Yu Z, Burns WR, Miermont AM, Teper Y, Rudloff U, Restifo NP, Feldman SA, Rosenberg SA, Morgan RA. A novel chimeric antigen receptor against prostate stem cell antigen mediates tumor destruction in a humanized mouse model of pancreatic cancer. Hum Gene Ther 2015; 25:1003-12. [PMID: 24694017 DOI: 10.1089/hum.2013.209] [Citation(s) in RCA: 118] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Despite advances in the understanding of its molecular pathophysiology, pancreatic cancer remains largely incurable, highlighting the need for novel therapies. We developed a chimeric antigen receptor (CAR) specific for prostate stem cell antigen (PSCA), a glycoprotein that is overexpressed in pancreatic cancer starting at early stages of malignant transformation. To optimize the CAR design, we used antigen-recognition domains derived from mouse or human antibodies, and intracellular signaling domains containing one or two T cell costimulatory elements, in addition to CD3zeta. Comparing multiple constructs established that the CAR based on human monoclonal antibody Ha1-4.117 had the greatest reactivity in vitro. To further analyze this CAR, we developed a human pancreatic cancer xenograft model and adoptively transferred CAR-engineered T cells into animals with established tumors. CAR-engineered human lymphocytes induced significant antitumor activity, and unlike what has been described for other CARs, a second-generation CAR (containing CD28 cosignaling domain) induced a more potent antitumor effect than a third-generation CAR (containing CD28 and 41BB cosignaling domains). While our results provide evidence to support PSCA as a target antigen for CAR-based immunotherapy of pancreatic cancer, the expression of PSCA on selected normal tissues could be a source of limiting toxicity.
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Affiliation(s)
- Daniel Abate-Daga
- Surgery Branch, National Cancer Institute , National Institutes of Health, Bethesda, MD 20892
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30
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Gu Y, Dai QS, Hua RX, Zhang B, Zhu JH, Huang JW, Xie BH, Xiong SQ, Tan GS, Li HP. PSCA s2294008 C>T and rs2976392 G>A polymorphisms contribute to cancer susceptibility: evidence from published studies. Genes Cancer 2015; 6:254-264. [PMID: 26124924 PMCID: PMC4482246 DOI: 10.18632/genesandcancer.63] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2015] [Accepted: 04/27/2015] [Indexed: 12/17/2022] Open
Abstract
PSCA gene plays an important role in cell adhesion, proliferation and survival. Increasing studies have focused on the association of PSCA gene rs2294008 C>T and rs2976392 G>A with cancer risk. However, the conclusions were inconsistent. Therefore, we performed a meta-analysis to elucidate whether there is a true association, or artifact. We systematically searched eligible studies from MEDLINE, EMBASE and CBM database. Odds ratios and 95% confidence intervals were used to evaluate the strength of the association. The final analysis included 32 studies consisting of 30028 cases and 38765 controls for the rs2294008 C>T polymorphism, and 14 studies with 8190 cases and 7176 controls for the rs2976392 G>A polymorphism. Consequently, the PSCA rs2294008 C>T polymorphism was significantly associated with increased overall cancer risk. Further stratifications indicated the increased risk was more pronounced for gastric (diffused type and non-gastric cardia adenocarcinoma) and bladder cancer. A similar association was observed for the rs2976392 G>A polymorphism. This meta-analysis demonstrated that both of the PSCA rs2294008 C>T and rs2976392 G>A polymorphisms are associated with increased cancer risk, especially for gastric cancer and bladder cancer. Further large-scale studies with different ethnicities and subtypes of gastric cancer are required to confirm the results from this meta-analysis.
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Affiliation(s)
- Yong Gu
- Department of Thoracic Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Qiang-Sheng Dai
- Department of Oncology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Rui-Xi Hua
- Department of Oncology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Bing Zhang
- Department of Medical Imaging, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Jin-Hong Zhu
- Molecular Epidemiology Laboratory and Laboratory Medicine, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, China
| | - Jian-Wen Huang
- Department of Radiotherapy, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Bin-Hui Xie
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Shi-Qiu Xiong
- Department of Biochemistry, University of Leicester, Leicester, UK
| | - Guo-Sheng Tan
- Department of Medical Imaging, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - He-Ping Li
- Department of Oncology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China.,Department of Medical Imaging, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
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García-González MA, Bujanda L, Quintero E, Santolaria S, Benito R, Strunk M, Sopeña F, Thomson C, Pérez-Aisa A, Nicolás-Pérez D, Hijona E, Carrera-Lasfuentes P, Piazuelo E, Jiménez P, Espinel J, Campo R, Manzano M, Geijo F, Pellise M, Zaballa M, González-Huix F, Espinós J, Titó L, Barranco L, Pazo-Cid R, Lanas A. Association ofPSCArs2294008 gene variants with poor prognosis and increased susceptibility to gastric cancer and decreased risk of duodenal ulcer disease. Int J Cancer 2015; 137:1362-73. [PMID: 25721731 DOI: 10.1002/ijc.29500] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Accepted: 02/18/2015] [Indexed: 12/13/2022]
Affiliation(s)
- María Asunción García-González
- Instituto De Investigación Sanitaria Aragón (IIS Aragón); Zaragoza Spain
- CIBER De Enfermedades Hepáticas Y Digestivas (CIBERehd); Zaragoza Spain
| | - Luis Bujanda
- CIBER De Enfermedades Hepáticas Y Digestivas (CIBERehd); Zaragoza Spain
- Department of Gastroenterology; Hospital Donostia/Instituto Biodonostia, Universidad Del País Vasco (UPV/EHU); San Sebastián Spain
| | - Enrique Quintero
- Department of Gastroenterology; Hospital Universitario De Canarias, Instituto Universitario De Tecnologías Biomédicas (ITB), Centro De Investigación Biomédica De Canarias (CIBICAN); Tenerife Spain
| | | | - Rafael Benito
- CIBER De Enfermedades Hepáticas Y Digestivas (CIBERehd); Zaragoza Spain
- Department of Microbiology; Faculty of Medicine; Hospital Clínico Universitario; Zaragoza Spain
| | - Mark Strunk
- Instituto De Investigación Sanitaria Aragón (IIS Aragón); Zaragoza Spain
- CIBER De Enfermedades Hepáticas Y Digestivas (CIBERehd); Zaragoza Spain
| | - Federico Sopeña
- CIBER De Enfermedades Hepáticas Y Digestivas (CIBERehd); Zaragoza Spain
- Department of Gastroenterology; Hospital Clínico Universitario Lozano Blesa; Zaragoza Spain
| | - Concha Thomson
- Department of Gastroenterology; Hospital Obispo Polanco; Teruel Spain
| | | | - David Nicolás-Pérez
- Department of Gastroenterology; Hospital Universitario De Canarias, Instituto Universitario De Tecnologías Biomédicas (ITB), Centro De Investigación Biomédica De Canarias (CIBICAN); Tenerife Spain
| | - Elizabeth Hijona
- Department of Gastroenterology; Hospital Donostia/Instituto Biodonostia, Universidad Del País Vasco (UPV/EHU); San Sebastián Spain
| | | | - Elena Piazuelo
- Instituto De Investigación Sanitaria Aragón (IIS Aragón); Zaragoza Spain
- CIBER De Enfermedades Hepáticas Y Digestivas (CIBERehd); Zaragoza Spain
| | - Pilar Jiménez
- CIBER De Enfermedades Hepáticas Y Digestivas (CIBERehd); Zaragoza Spain
| | - Jesús Espinel
- Department of Gastroenterology; Complejo Hospitalario; León Spain
| | - Rafael Campo
- Department of Gastroenterology; Hospital Parc Tauli; Sabadell Spain
| | - Marisa Manzano
- Department of Gastroenterology; Hospital 12 De Octubre; Madrid Spain
| | - Fernando Geijo
- Department of Gastroenterology; Hospital Clínico Universitario; Salamanca Spain
| | - María Pellise
- Department of Gastroenterology; Hospital Clinic I Provincial; Barcelona Spain
| | - Manuel Zaballa
- Department of Gastroenterology; Hospital De Cruces; Barakaldo Spain
| | | | - Jorge Espinós
- Department of Gastroenterology; Mutua De Tarrasa; Spain
| | - Llúcia Titó
- Department of Gastroenterology; Hospital De Mataró; Mataró Spain
| | - Luis Barranco
- Department of Gastroenterology; Hospital Del Mar; Barcelona Spain
| | | | - Angel Lanas
- Instituto De Investigación Sanitaria Aragón (IIS Aragón); Zaragoza Spain
- CIBER De Enfermedades Hepáticas Y Digestivas (CIBERehd); Zaragoza Spain
- Department of Gastroenterology; Hospital Clínico Universitario Lozano Blesa; Zaragoza Spain
- Department of Medicine; Universidad de Zaragoza; Spain
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Tiezzi F, Parker-Gaddis KL, Cole JB, Clay JS, Maltecca C. A genome-wide association study for clinical mastitis in first parity US Holstein cows using single-step approach and genomic matrix re-weighting procedure. PLoS One 2015; 10:e0114919. [PMID: 25658712 PMCID: PMC4319771 DOI: 10.1371/journal.pone.0114919] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2014] [Accepted: 11/01/2014] [Indexed: 11/18/2022] Open
Abstract
Clinical mastitis (CM) is one of the health disorders with large impacts on dairy farming profitability and animal welfare. The objective of this study was to perform a genome-wide association study (GWAS) for CM in first-lactation Holstein. Producer-recorded mastitis event information for 103,585 first-lactation cows were used, together with genotype information on 1,361 bulls from the Illumina BovineSNP50 BeadChip. Single-step genomic-BLUP methodology was used to incorporate genomic data into a threshold-liability model. Association analysis confirmed that CM follows a highly polygenic mode of inheritance. However, 10-adjacent-SNP windows showed that regions on chromosomes 2, 14 and 20 have impacts on genetic variation for CM. Some of the genes located on chromosome 14 (LY6K, LY6D, LYNX1, LYPD2, SLURP1, PSCA) are part of the lymphocyte-antigen-6 complex (LY6) known for its neutrophil regulation function linked to the major histocompatibility complex. Other genes on chromosome 2 were also involved in regulating immune response (IFIH1, LY75, and DPP4), or are themselves regulated in the presence of specific pathogens (ITGB6, NR4A2). Other genes annotated on chromosome 20 are involved in mammary gland metabolism (GHR, OXCT1), antibody production and phagocytosis of bacterial cells (C6, C7, C9, C1QTNF3), tumor suppression (DAB2), involution of mammary epithelium (OSMR) and cytokine regulation (PRLR). DAVID enrichment analysis revealed 5 KEGG pathways. The JAK-STAT signaling pathway (cell proliferation and apoptosis) and the 'Cytokine-cytokine receptor interaction' (cytokine and interleukines response to infectious agents) are co-regulated and linked to the 'ABC transporters' pathway also found here. Gene network analysis performed using GeneMania revealed a co-expression network where 665 interactions existed among 145 of the genes reported above. Clinical mastitis is a complex trait and the different genes regulating immune response are known to be pathogen-specific. Despite the lack of information in this study, candidate QTL for CM were identified in the US Holstein population.
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Affiliation(s)
- Francesco Tiezzi
- Department of Animal Science, North Carolina State University, Raleigh, NC, 27695, United States of America
- * E-mail:
| | - Kristen L. Parker-Gaddis
- Department of Animal Science, North Carolina State University, Raleigh, NC, 27695, United States of America
- Animal Genomics and Improvement Laboratory, Agricultural Research Service, USDA, Beltsville, MD, 20705–2350, United States of America
| | - John B. Cole
- Animal Genomics and Improvement Laboratory, Agricultural Research Service, USDA, Beltsville, MD, 20705–2350, United States of America
| | - John S. Clay
- Dairy Records Management Systems, Raleigh, NC, 27603, United States of America
| | - Christian Maltecca
- Department of Animal Science, North Carolina State University, Raleigh, NC, 27695, United States of America
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Zheng K, Chen Z, Tian Y, Hao G. Association between PSCA mRNA expression levels and rs2294008 polymorphism in transitional cell cancer of the bladder. Oncol Lett 2015; 9:557-562. [PMID: 25624885 PMCID: PMC4301555 DOI: 10.3892/ol.2014.2734] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2014] [Accepted: 10/15/2014] [Indexed: 12/21/2022] Open
Abstract
Prostate stem cell antigen (PSCA) was originally identified as a gene that is overexpressed in prostate cancer, and correlates with prostate cancer progression and prognosis. Recently, a significant association has been identified between the PSCA rs2294008 (C>T) polymorphism and the risk of developing bladder cancer. Therefore, the present study investigated the different expression levels of PSCA mRNA in transitional cell carcinoma (TCC) of the bladder and normal bladder tissue. Furthermore, the association between PSCA mRNA expression levels in TCC and different rs2294008 (C>T) genotypes and various clinicopathological features, including tumor stage and grade, were evaluated. Reverse transcription-quantitative polymerase chain reaction was performed on 80 TCC samples and 38 samples of normal bladder urothelium from TCC patients who underwent transurethral resection of bladder tumor or radical cystectomy at the Beijing Friendship Hospital (Beijing, China) between September 2010 and May 2011. Genomic DNA was extracted from tumor tissue and sequenced to determine the rs2294008 (C>T) genotype. PSCA mRNA expression was detected in all samples (100%); however, tumor samples exhibited significantly higher PSCA expression levels compared with the normal urothelium samples (P=0.038). PSCA mRNA expression was positively correlated with the histological grade of the tumor (G1-2 vs. G3; P=0.001); however, no significant difference was detected between patients with superficial (Ta or T1) and muscle-invasive (≥pT2) tumors (P=0.250). Thus, PSCA mRNA expression levels were associated with TCC and tumor histological grade, but not the tumor stage. Additionally, PSCA mRNA expression levels were significantly higher in T allele carriers compared with CC homozygous patients (P=0.001), indicating that the presence of the T allele may increase PSCA mRNA expression. Therefore, rs2294008 (C>T) may be associated with the biological properties of TCC and, thus, future research should focus on the physiological function of PSCA and the mechanism of rs2294008.
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Affiliation(s)
- Kewen Zheng
- Department of Urology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, P.R. China ; Department of Urology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100730, P.R. China
| | - Zhigang Chen
- Department of Urology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, P.R. China ; Department of Urology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100730, P.R. China
| | - Ye Tian
- Department of Urology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, P.R. China
| | - Gangyue Hao
- Department of Urology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, P.R. China
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Zuo L, Zhang LF, Wu XP, Zhou ZX, Zou JG, He J, Hou JQ. Association of a common genetic variant in prostate stem cell antigen with cancer risk. Arch Med Sci 2014; 10:425-33. [PMID: 25097570 PMCID: PMC4107248 DOI: 10.5114/aoms.2014.43736] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Revised: 11/21/2012] [Accepted: 01/06/2013] [Indexed: 01/12/2023] Open
Abstract
INTRODUCTION Polymorphisms in the prostate stem cell antigen (PSCA) gene have been hypothesized to increase the genetic susceptibility to cancers. The common sequence variation in PSCA rs2294008 (C>T) has been implicated in cancer risk. However, results of the relevant published studies were somewhat underpowered and controversial in general. MATERIAL AND METHODS To evaluate the role of PSCA rs2294008 (C>T) genotype in global cancer, we performed a pooled analysis of all the available published studies involving 22,817 cancer patients and 27,753 control subjects. RESULTS The results showed evidence that PSCA rs2294008 (C>T) was associated with increased total cancer risk in the overall comparisons. Stratified analysis by cancer type indicated that PSCA rs2294008 T is associated with increased risk of gastric cancer (OR = 1.24, 95% CI = 1.09-1.42, p heterogeneity < 0.001, I (2) = 88.0%) and bladder cancer (OR = 1.07, 95% CI = 1.04-1.11, p heterogeneity = 0.108, I (2) = 55.0%) by allelic contrast. Furthermore, in stratified analysis by histological types of gastric cancer, this PSCA variant showed significant associations with diffuse type (OR = 1.81, 95% CI = 1.16-2.81, p heterogeneity < 0.001, I (2) = 88.9%) but not intestinal type (OR = 1.29, 95% CI = 0.95-1.74, p heterogeneity < 0.001, I (2) = 85.2%) in a dominant genetic model. Similar results were found in Asian and European descendents and population-based studies. CONCLUSIONS In all, our meta-analysis suggests that PSCA rs2294008 (C>T) may play allele-specific roles in cancer development. Further prospective studies with larger numbers of participants worldwide should be performed in different kinds of cancer and other descendents in more detail.
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Affiliation(s)
- Li Zuo
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Department of Urology, Changzhou No. 2 People's Hospital Affiliated to Nanjing Medical University, Changzhou, China
| | - Li Feng Zhang
- Department of Urology, Changzhou No. 2 People's Hospital Affiliated to Nanjing Medical University, Changzhou, China
| | - Xiao Peng Wu
- Department of Urology, Changzhou No. 2 People's Hospital Affiliated to Nanjing Medical University, Changzhou, China
| | - Zhong Xing Zhou
- Department of Urology, Changzhou No. 2 People's Hospital Affiliated to Nanjing Medical University, Changzhou, China
| | - Jian Gang Zou
- Department of Urology, Changzhou No. 2 People's Hospital Affiliated to Nanjing Medical University, Changzhou, China
| | - Jun He
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Jian Quan Hou
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, China
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Sun Y, Gu J, Ajani JA, Chang DW, Wu X, Stroehlein JR. Genetic and intermediate phenotypic susceptibility markers of gastric cancer in Hispanic Americans: a case-control study. Cancer 2014; 120:3040-8. [PMID: 24962126 DOI: 10.1002/cncr.28792] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Revised: 03/27/2014] [Accepted: 04/01/2014] [Indexed: 12/12/2022]
Abstract
BACKGROUND Hispanics are the largest nonwhite ethnic group in the US population, and they have higher incidence and mortality rates for gastric cancer (GC) than whites and Asians. Studies have identified several genetic susceptibility loci and intermediate phenotypic biomarkers for GC in whites and Asians. No studies have evaluated genetic susceptibility and intermediate phenotypic biomarkers in Hispanics. METHODS In a case-control study of 132 Hispanic patients with GC (cases) and a control group of 125 Hispanics (controls), the authors evaluated the association of 5 single nucleotide polymorphisms (SNPs) that predispose whites and/or Asians to GC and of 2 intermediate phenotypic markers in peripheral blood leukocytes, ie, telomere length and mitochondrial DNA (mtDNA) copy number, with the GC risk. RESULTS The variant C allele of the reference SNP rs2294008 in the PSCA gene was associated with a significantly reduced risk of GC (per allele-adjusted odds ratio [aOR], 0.51; 95% confidence interval [CI], 0.33-0.77; P = .002). Leukocyte mtDNA copy numbers were significantly lower in GC cases (mean ± standard deviation, 0.91 ± 0.28) than in controls (1.29 ± 0.42; P < .001). When individuals were dichotomized into high and low mtDNA copy number groups based on the median mtDNA copy number value in the controls, those who had a low mtDNA copy number had a significantly increased risk of GC (aOR, 11.00; 95% CI, 4.79-25.23; P < .001) compared with those who had a high mtDNA copy number. Telomere length was not associated significantly with the risk of GC (aOR, 1.21; 95% CI, 0.65-2.27; P = .551). CONCLUSIONS Hispanics share certain genetic susceptibility loci and intermediate phenotypic GC biomarkers with whites and Asians and may also have distinct genetic susceptibility factors.
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Affiliation(s)
- Yuhui Sun
- Department of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, Texas; Department of Obstetrics and Gynecology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
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Gammaitoni L, Leuci V, Mesiano G, Giraudo L, Todorovic M, Carnevale-Schianca F, Aglietta M, Sangiolo D. Immunotherapy of cancer stem cells in solid tumors: initial findings and future prospective. Expert Opin Biol Ther 2014; 14:1259-70. [PMID: 24835841 DOI: 10.1517/14712598.2014.918099] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Conventional chemotherapies seemed to have reached a therapeutic plateau in the treatment of solid tumors and many metastatic diseases are still incurable. Events of chemo-resistance and relapses appear to be sustained by a subset of putative cancer stem cells (CSCs). New anticancer strategies need to face this new challenge exploring their efficacy against CSCs. Immunotherapy has raised enthusiasms in cancer therapy and its potential against CSCs is an intriguing field of research. AREAS COVERED In this work we reviewed the immunotherapy approaches directed against CSCs in solid tumors. We schematically divided adaptive immunotherapy strategies, mainly based on dendritic cell-vaccination, and strategies exploiting MHC-unrestricted effectors like natural killer cells, γδ T lymphocytes and cytokine-induced killer cells. Findings, strength and limitations of these models are discussed and compared highlighting their potential clinical relevance. EXPERT OPINION The important biologic role and clinical relevance of CSCs introduced a 'noble target' for immunotherapy and cancer treatments in general. Initial evidences suggest that CSCs may be susceptible to various types of immunotherapy attacks, overcoming their chemo-resistance. Investigation of important safety issues, based on shared features with 'normal' stem cells, along with intriguing synergisms with modulatory agents are open challenges for the next future and effective clinical translation.
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Wang M, Chu H, Lv Q, Wang L, Yuan L, Fu G, Tong N, Qin C, Yin C, Zhang Z, Xu J. Cumulative effect of genome-wide association study-identified genetic variants for bladder cancer. Int J Cancer 2014; 135:2653-60. [PMID: 24740636 DOI: 10.1002/ijc.28898] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2013] [Revised: 02/06/2014] [Accepted: 04/03/2014] [Indexed: 11/08/2022]
Abstract
Recent genome-wide association studies have identified 14 genetic variants associated with bladder cancer in Caucasians. The effects of these risk variants and their cumulative effects in Asian populations are unknown. We genotyped these newly identified variants in a case-control study of 1,050 patients diagnosed with bladder cancer and 1,404 controls in the Chinese population. Odds rations (ORs) and 95% confidence intervals (CIs) were computed by logistic regression, and cumulative effect of risk alleles were evaluated. Overall, seven of the 14 variants were significantly associated with bladder cancer risk (p = 9.763 × 10(-3) for rs9642880 at 8q24.21, p = 3.004 × 10(-3) for rs2294008 at 8q24.3, p = 0.012 for rs798766 at 4p16.3, p = 0.034 for rs1495741 at 8p22, p = 2.306 × 10(-4) for GSTM1, p = 8.507 × 10(-8) for rs17674580 at 18q12.3, p = 7.179 × 10(-4) for rs10936599 at 3q26.2) and the odds ratios (ORs) ranged from 1.13 to 1.65. Moreover, there were a significant increased risk for bladder cancer positively correlated numbers of risk alleles and smoking status (Ptrend = 7.060 × 10(-16) ). However, no allelic interaction effects on bladder cancer risk were observed between cumulative effects of variants and clinical characteristics. These findings suggest that seven bladder cancer risk-associated variants (rs9642880, rs2294008, rs798766, rs1495741, GSTM1 null, rs17674580 and rs10936599) may be used, collectively, to effectively measure inherited risk for bladder cancer.
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Affiliation(s)
- Meilin Wang
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China
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Dai N, Zheng M, Wang C, Ji Y, Du J, Zhu C, He Y, Zhu M, Zhu X, Sun M, Dai J, Ma H, Chen J, Hu Z, Gu H, Jin G, Shen H. Genetic variants at 8q24 are associated with risk of esophageal squamous cell carcinoma in a Chinese population. Cancer Sci 2014; 105:731-5. [PMID: 24654646 PMCID: PMC4317888 DOI: 10.1111/cas.12399] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2013] [Revised: 03/06/2014] [Accepted: 03/17/2014] [Indexed: 12/26/2022] Open
Abstract
Esophageal cancer and gastric cancer have shared risk factors and inherited susceptibility. Recent genome-wide association studies have identified multiple genetic loci associated with gastric cancer risk, which may also involve in the development of esophageal cancer. Herein, we evaluated the relationship of gastric cancer risk-related variants at 1q22, 3q13.3, 5p13.1, and 8q24 with the risk of esophageal squamous cell carcinoma (ESCC) in a Chinese population with a case–control study (2139 cases and 2273 controls). We found that the T allele of rs2294008, an intronic variant of the PSCA gene at 8q24 that was previously associated with an increased risk of gastric cancer, was inversely associated with a decreased risk of ESCC (odds ratio = 0.90; 95% confidence interval, 0.81–0.99; P = 0.034). Of interest, the association of rs2294008 with ESCC was consistent with that observed in esophageal adenocarcinoma and ESCC in Caucasian populations. However, no significant associations were observed for the other three variants at 1q22 (rs4072037), 3q13.31 (rs9841504), and 5p13.1 (rs13361707). Our findings suggest that the susceptibility locus of PSCA at 8q24 may be a double-edged sword, as modulator between the carcinogenesis processes of stomach and esophagus.
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Affiliation(s)
- Ningbin Dai
- Department of Epidemiology and Biostatistics and Ministry of Education Key Laboratory of Modern Toxicology, School of Public Health, Nanjing Medical University, Nanjing, China; Section of Clinical Epidemiology, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China
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Batra JS, Girdhani S, Hlatky L. A Quest to Identify Prostate Cancer Circulating Biomarkers with a Bench-to-Bedside Potential. J Biomark 2014; 2014:321680. [PMID: 26317031 PMCID: PMC4437363 DOI: 10.1155/2014/321680] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Revised: 01/07/2014] [Accepted: 01/10/2014] [Indexed: 02/01/2023] Open
Abstract
Prostate cancer (PCA) is a major health concern in current times. Ever since prostate specific antigen (PSA) was introduced in clinical practice almost three decades ago, the diagnosis and management of PCA have been revolutionized. With time, concerns arose as to the inherent shortcomings of this biomarker and alternatives were actively sought. Over the past decade new PCA biomarkers have been identified in tissue, blood, urine, and other body fluids that offer improved specificity and supplement our knowledge of disease progression. This review focuses on superiority of circulating biomarkers over tissue biomarkers due to the advantages of being more readily accessible, minimally invasive (blood) or noninvasive (urine), accessible for sampling on regular intervals, and easily utilized for follow-up after surgery or other treatment modalities. Some of the circulating biomarkers like PCA3, IL-6, and TMPRSS2-ERG are now detectable by commercially available kits while others like microRNAs (miR-21, -221, -141) and exosomes hold potential to become available as multiplexed assays. In this paper, we will review some of these potential candidate circulating biomarkers that either individually or in combination, once validated with large-scale trials, may eventually get utilized clinically for improved diagnosis, risk stratification, and treatment.
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Affiliation(s)
- Jaspreet Singh Batra
- Center of Cancer Systems Biology, GeneSys Research Institute, Tufts University, School of Medicine, 736 Cambridge Street, SEMC-CBR112, Boston, MA 02135, USA
| | - Swati Girdhani
- Center of Cancer Systems Biology, GeneSys Research Institute, Tufts University, School of Medicine, 736 Cambridge Street, SEMC-CBR112, Boston, MA 02135, USA
| | - Lynn Hlatky
- Center of Cancer Systems Biology, GeneSys Research Institute, Tufts University, School of Medicine, 736 Cambridge Street, SEMC-CBR112, Boston, MA 02135, USA
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Proteomic study of HPV-positive head and neck cancers: preliminary results. BIOMED RESEARCH INTERNATIONAL 2014; 2014:430906. [PMID: 24719866 PMCID: PMC3955617 DOI: 10.1155/2014/430906] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Revised: 01/20/2014] [Accepted: 01/23/2014] [Indexed: 11/17/2022]
Abstract
Human papillomavirus (HPV) was recently recognized as a new risk factor for head and neck squamous cell carcinoma. For oropharyngeal cancers, an HPV+ status is associated with better prognosis in a subgroup of nonsmokers and nondrinkers. However, HPV infection is also involved in the biology of head and neck carcinoma (HNC) in patients with a history of tobacco use and/or alcohol consumption. Thus, the involvement of HPV infection in HN carcinogenesis remains unclear, and further studies are needed to identify and analyze HPV-specific pathways that are involved in this process. Using a quantitative proteomics-based approach, we compared the protein expression profiles of two HPV+ HNC cell lines and one HPV- HNC cell line. We identified 155 proteins that are differentially expressed (P < 0.01) in these three lines. Among the identified proteins, prostate stem cell antigen (PSCA) was upregulated and eukaryotic elongation factor 1 alpha (EEF1α) was downregulated in the HPV+ cell lines. Immunofluorescence and western blotting analyses confirmed these results. Moreover, PSCA and EEF1 α were differentially expressed in two clinical series of 50 HPV+ and 50 HPV- oral cavity carcinomas. Thus, our study reveals for the first time that PSCA and EEF1 α are associated with the HPV-status, suggesting that these proteins could be involved in HPV-associated carcinogenesis.
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Yang X, Guo Z, Liu Y, Si T, Yu H, Li B, Tian W. Prostate stem cell antigen and cancer risk, mechanisms and therapeutic implications. Expert Rev Anticancer Ther 2014; 14:31-37. [PMID: 24308679 DOI: 10.1586/14737140.2014.845372] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2023]
Abstract
Prostate stem cell antigen (PSCA) was originally identified as a tumor antigen in prostate cancer. Recent studies indicated that PSCA was correlated with many cancer types. In this review, we will consider the origin of PSCA, discuss the expression of PSCA in normal and cancer tissue, describe PSCA polymorphisms and cancer risk, summarize potential mechanisms for PSCA involvement in cancer; and look into the therapeutic implications of PSCA. PSCA is upregulated in prostate cancer, pancreatic cancer and bladder cancer, as well as a number of others, making it an ideal clinical target for both diagnosis and therapy. Future studies will be required to explore its mechanisms on various cancer types, and to confirm its clinical utility for diagnosis and immunotherapy strategies. The study of PSCA regulation and expression may also provide information on normal prostate development and prostate carcinogenesis.
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Affiliation(s)
- Xueling Yang
- Department of Interventional Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, China
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Quantitative assessment of the influence of prostate stem cell antigen polymorphisms on gastric cancer risk. Tumour Biol 2013; 35:2167-74. [PMID: 24146278 DOI: 10.1007/s13277-013-1287-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Accepted: 10/02/2013] [Indexed: 02/08/2023] Open
Abstract
Prostate stem cell antigen (PSCA) is a glycosylphosphatidylinositol-anchored 123-amino acid protein related to the cell proliferation inhibition and/or cell death induction activity which has attracted considerable attention as a candidate gene for gastric cancer (GC) since it was first identified through genome-wide association approach. Since then, the relationship between PSCA polymorphisms (rs2294008, rs2976392) and GC has been reported in various ethnic groups; however, these studies have yielded inconsistent results. To investigate this inconsistency, we performed a meta-analysis of 16 studies involving a total of 18,820 cases and 35,756 controls for the two widely studied polymorphisms of PSCA on genetic susceptibility for GC. Overall, the summary odds ratio for GC was 1.46 (95% CI 1.30-1.69, P < 10(-5)) and 1.49 (95% CI 1.22-1.82, P < 10(-4)) for PSCA rs2294008 and rs2976392 polymorphisms, respectively. Meanwhile, haplotype analyses of the two polymorphisms revealed a significant association between the combination of these alleles and GC risk. When stratifying for ethnicity, significantly increased risks were found for rs2294008 and rs2976392 polymorphism among East Asians in all genetic models, while no significant associations were observed for the rs2294008 polymorphism in Caucasians. In the stratified analyses according to histological type, and source of controls, evidence of gene-disease association was still obtained. In addition, our data indicate that rs2294008 of PSCA is involved in GC susceptibility and confer its effect primarily in noncardia tumors (OR = 1.30, 95% CI 1.12-1.53, P < 10(-4)). Our findings demonstrated that rs2294008 and rs2976392 polymorphism of PSCA is a risk-conferring factor associated with increased GC susceptibility, especially in East Asians.
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Mohsenzadegan M, Madjd Z, Asgari M, Abolhasani M, Shekarabi M, Taeb J, Shariftabrizi A. Reduced expression of NGEP is associated with high-grade prostate cancers: a tissue microarray analysis. Cancer Immunol Immunother 2013; 62:1609-18. [PMID: 23955683 PMCID: PMC11029587 DOI: 10.1007/s00262-013-1463-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Accepted: 08/03/2013] [Indexed: 10/26/2022]
Abstract
New gene expressed in prostate (NGEP) is a newly diagnosed prostate-specific gene that is expressed only in normal prostate and prostate cancer cells. Discovery of tissue-specific markers may promote the development of novel targets for immunotherapy of prostate cancer. In the present study, the staining pattern and clinical significance of NGEP were evaluated in a series of prostate tissues composed of 123 prostate cancer, 19 high-grade prostatic intraepithelial neoplasia and 44 samples of benign prostate tissue included in tissue microarrays using immunohistochemistry. Our study demonstrated that NGEP localized mainly in the apical and lateral membranes and was also partially distributed in the cytoplasm of epithelial cells of normal prostate tissue. All of the examined prostate tissues expressed NGEP with a variety of intensities; the level of expression was significantly more in the benign prostate tissues compared to malignant prostate samples (P value <0.001). Among prostate adenocarcinoma samples, a significant and inverse correlation was observed between the intensity of NGEP expression and increased Gleason score (P = 0.007). Taken together, we found that NGEP protein is widely expressed in low-grade to high-grade prostate adenocarcinomas as well as benign prostate tissues, and the intensity of expression is inversely proportional to the level of malignancy. NGEP could be an attractive target for immune-based therapy of prostate cancer patients as an alternative to the conventional therapies particularly in indolent patients.
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Affiliation(s)
- Monireh Mohsenzadegan
- Immunology Research Centre, Iran University of Medical Sciences, Tehran, Iran
- Department of Immunology, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Madjd
- Department of Pathology, Oncopathology Research Centre, Iran University of Medical Sciences, Hemmat Street (Highway), Next to Milad Tower, 14496-14530 Tehran, Iran
- Department of Molecular Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mojgan Asgari
- Department of Pathology, Oncopathology Research Centre, Iran University of Medical Sciences, Hemmat Street (Highway), Next to Milad Tower, 14496-14530 Tehran, Iran
- Department of Pathology, Hasheminejad Kidney Center, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Abolhasani
- Department of Pathology, Oncopathology Research Centre, Iran University of Medical Sciences, Hemmat Street (Highway), Next to Milad Tower, 14496-14530 Tehran, Iran
- Department of Pathology, Hasheminejad Kidney Center, Iran University of Medical Sciences, Tehran, Iran
| | - Mehdi Shekarabi
- Department of Immunology, Iran University of Medical Sciences, Tehran, Iran
| | - Jaleh Taeb
- Department of Molecular Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ahmad Shariftabrizi
- Department of Pathology, Oncopathology Research Centre, Iran University of Medical Sciences, Hemmat Street (Highway), Next to Milad Tower, 14496-14530 Tehran, Iran
- Department of Pathology, Danbury Hospital, Yale University, Danbury, CT 06810 USA
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Rai R, Sharma KL, Misra S, Kumar A, Mittal B. PSCA gene variants (rs2294008 and rs2978974) confer increased susceptibility of gallbladder carcinoma in females. Gene 2013; 530:172-7. [PMID: 23988503 DOI: 10.1016/j.gene.2013.08.058] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2013] [Revised: 08/01/2013] [Accepted: 08/17/2013] [Indexed: 12/26/2022]
Abstract
BACKGROUND AND AIM PSCA is a tissue specific tumor suppressor or oncogene which has been found to be associated with several human tumors including gallbladder cancer. It is considered to be involved in the cell-proliferation inhibition and/or cell-death induction activity. Therefore, we aimed to investigate the role of PSCA gene polymorphisms in gallbladder cancer risk in North Indian population. METHODOLOGY A total of 405 gallbladder cancer patients and 247 healthy controls were included in the case-control study for risk prediction. We examined the association of two functional SNPs, rs2294008 and rs2978974 in PSCA gene by genotyping using Taqman allelic discrimination assays. Statistical analysis was done using SPSS software, version 17. Linkage disequilibrium and haplotype analysis was done with the help of SNPstats software. FDR test was used to correct for multiple comparisons. RESULTS No significant associations of rs2294008 and rs2978974 genetic variants of the PSCA gene were found with GBC risk at allele, genotype or haplotype levels. Stratifying the subjects on the basis of gallstone also did not show any significant result. However, on gender stratification, we found a significant association of Trs2294008-Grs2978974 haplotype with higher risk of GBC in females (FDR Pcorr=0.021, OR=1.6). In contrary, Trs2294008-A rs2978974 haplotype conferred significant lower risk in males (FDR Pcorr=0.013; OR=0.25). CONCLUSIONS These findings suggest that PSCA genetic variants may have a significant effect on GBC susceptibility in a gender specific manner.
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Affiliation(s)
- Rajani Rai
- Department of Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences (SGPGIMS), Lucknow, India
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Abstract
Human Ly-6/uPAR molecules are a superfamily composed of two subfamilies; one is the membrane bound proteins with a GPI-anchor and the other are secreted proteins without the GPI-anchor. Ly-6/uPAR molecules have remarkable amino acid homology through a distinctive 8-10 cysteine-rich domain that is associated predominantly with O-linked glycans. These molecules are encoded by multiple tightly linked genes located on Chr. 8q23, and have a conserved genomic organization. Ly-6/uPAR molecules have an interesting expression pattern during hematopoiesis and on specific tumors indicating that Ly-6/uPAR molecules are associated with development of the immune system and carcinogenesis. Thus, Ly-6/uPAR molecules are useful antigens for diagnostic and therapeutic targets. This review summarizes our understanding of human Ly-6/ uPAR molecules with regard to molecular structure as well as what is known about their function in normal and malignant tissues and suggest Ly-6/uPAR molecules as target antigens for cancer immunotherapy.
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Affiliation(s)
- Hyun Kyung Kong
- Department of Biological Science, Sookmyung Women's University, Seoul, Korea
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Tanikawa C, Matsuo K, Kubo M, Takahashi A, Ito H, Tanaka H, Yatabe Y, Yamao K, Kamatani N, Tajima K, Nakamura Y, Matsuda K. Impact of PSCA variation on gastric ulcer susceptibility. PLoS One 2013; 8:e63698. [PMID: 23704932 PMCID: PMC3660579 DOI: 10.1371/journal.pone.0063698] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2012] [Accepted: 04/07/2013] [Indexed: 01/24/2023] Open
Abstract
Peptic ulcer is one of the most common gastrointestinal disorders with complex etiology. Recently we conducted the genome wide association study for duodenal ulcer and identified disease susceptibility variations at two genetic loci corresponding to the Prostate stem cell antigen (PSCA) gene and the ABO blood group (ABO) gene. Here we investigated the association of these variations with gastric ulcer in two Japanese case-control sample sets, a total of 4,291 gastric ulcer cases and 22,665 controls. As a result, a C-allele of rs2294008 at PSCA increased the risk of gastric ulcer with odds ratio (OR) of 1.13 (P value of 5.85×10(-7)) in an additive model. On the other hand, SNP rs505922 on ABO exhibited inconsistent result between two cohorts. Our finding implies presence of the common genetic variant in the pathogenesis of gastric and duodenal ulcers.
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Affiliation(s)
- Chizu Tanikawa
- Laboratory of Molecular Medicine, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Keitaro Matsuo
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Aichi, Japan
| | - Michiaki Kubo
- Center for Genomic Medicine, The Institute of Physical and Chemical Research (RIKEN), Kanagawa, Japan
| | - Atsushi Takahashi
- Center for Genomic Medicine, The Institute of Physical and Chemical Research (RIKEN), Kanagawa, Japan
| | - Hidemi Ito
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Aichi, Japan
| | - Hideo Tanaka
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Aichi, Japan
| | - Yasushi Yatabe
- Department of Pathology and Molecular Diagnostics, Aichi Cancer Center Research Institute, Aichi, Japan
| | - Kenji Yamao
- Department of Gastroenterology, Aichi Cancer Center Research Institute, Aichi, Japan
| | - Naoyuki Kamatani
- Center for Genomic Medicine, The Institute of Physical and Chemical Research (RIKEN), Kanagawa, Japan
| | - Kazuo Tajima
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Aichi, Japan
| | - Yusuke Nakamura
- Laboratory of Molecular Medicine, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
- Departments of Medicine and Surgery, and Center for Personalized Therapeutics, The University of Chicago, Chicago, Illinois, United States of America
| | - Koichi Matsuda
- Laboratory of Molecular Medicine, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
- * E-mail:
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ZHAO JIUDA, GENG PAILI, LI ZHANQUAN, CUI SEN, ZHAO JUNHUI, WANG LIJUAN, LI JINZHANG, JI FAXIANG, LI GUOYUAN, SHEN GUOSHUANG, LIN MINGZHE, SHEN CUNFANG. Prostate stem cell antigen rs2294008 polymorphism differentially contributes to Helicobacter pylori-negative gastric cancer among various populations in China. Mol Clin Oncol 2013; 1:493-498. [PMID: 24649198 PMCID: PMC3916019 DOI: 10.3892/mco.2013.70] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2012] [Accepted: 01/08/2013] [Indexed: 12/20/2022] Open
Abstract
Gastric cancer is a lethal disease with a high mortality rate. Studies have suggested that prostate stem cell antigen (PSCA) rs2294008 polymorphism is associated with gastric cancer (GC). In this case-control study, we investigated rs2294008 polymorphism in the Tibet, Hui and Han nationalities in the Qinghai area of China. Genomic DNA was extracted from the peripheral blood of 286, 315 and 350 healthy volunteers and from 219, 233 and 265 Helicobacter pylori-negative non-cardia GC patients from the Tibet, Hui and Han populations, respectively. The rs2294008 polymorphism was analyzed by denaturing high-performance liquid chromatography. rs2294008 CT and TT genotypes were associated with GC both in the Tibet and Han populations (adjusted OR=1.51, 1.47, 2.01, 1.85; 95% CI, 1.04-2.19, 1.05-2.06, 1.04-3.88, 1.03-3.34; P=0.030, 0.025, 0.039, 0.040, respectively). rs2294008 TT genotype was associated with GC in the Hui population (adjusted OR=2.14; 95% CI, 1.29-3.55; P=0.003). Furthermore, when stratified by histopathology, the rs2294008 CT and TT genotypes were associated with diffuse GC in the Tibet and Han nationalities (adjusted OR=1.93, 1.73, 2.69, 2.86; 95% CI, 1.09-3.44, 1.01-2.95, 1.06-6.84, 1.27-6.46; P=0.025, 0.045, 0.038, 0.011, respectively). However, the rs2294008 TT genotype was associated with both intestinal and diffuse types of GC (adjusted OR=2.10, 2.21; 95% CI, 1.17-3.75, 1.12-4.38; P=0.012, 0.023, respectively) and the rs2294008 CT genotype was only associated with intestinal-type GC in the Hui nationalitiy group (adjusted OR=1.60; 95% CI, 1.04-2.47; P=0.034). The results therefore showed that rs2294008 may differentially contribute to GC among different nationalities in one area and its role is independent from Helicobacter pylori-infection.
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Affiliation(s)
- JIUDA ZHAO
- Department of Internal Medicine-Oncology, Affiliated Hospital of Qinghai University, Xining, Qinghai 810000,
P.R. China
- High Altitude Medical Research Center, Qinghai University, Xining, Qinghai 810000,
P.R. China
| | - PAILI GENG
- High Altitude Medical Research Center, Qinghai University, Xining, Qinghai 810000,
P.R. China
| | - ZHANQUAN LI
- Department of Hematology, Affiliated Hospital of Qinghai University, Xining, Qinghai 810000,
P.R. China
| | - SEN CUI
- Department of Hematology, Affiliated Hospital of Qinghai University, Xining, Qinghai 810000,
P.R. China
| | - JUNHUI ZHAO
- Department of Internal Medicine-Oncology, Affiliated Hospital of Qinghai University, Xining, Qinghai 810000,
P.R. China
| | - LIJUAN WANG
- Department of Internal Medicine-Oncology, Affiliated Hospital of Qinghai University, Xining, Qinghai 810000,
P.R. China
| | - JINZHANG LI
- Department of Internal Medicine-Oncology, Affiliated Hospital of Qinghai University, Xining, Qinghai 810000,
P.R. China
| | - FAXIANG JI
- Department of Internal Medicine-Oncology, Affiliated Hospital of Qinghai University, Xining, Qinghai 810000,
P.R. China
| | - GUOYUAN LI
- Department of Internal Medicine-Oncology, Affiliated Hospital of Qinghai University, Xining, Qinghai 810000,
P.R. China
| | - GUOSHUANG SHEN
- Department of Internal Medicine-Oncology, Affiliated Hospital of Qinghai University, Xining, Qinghai 810000,
P.R. China
| | - MINGZHE LIN
- Department of Internal Medicine-Oncology, Affiliated Hospital of Qinghai University, Xining, Qinghai 810000,
P.R. China
| | - CUNFANG SHEN
- High Altitude Medical Research Center, Qinghai University, Xining, Qinghai 810000,
P.R. China
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Zhang Y, Atala A. Urothelial cell culture: stratified urothelial sheet and three-dimensional growth of urothelial structure. Methods Mol Biol 2013; 945:383-99. [PMID: 23097119 DOI: 10.1007/978-1-62703-125-7_23] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Urothelial cells line the urinary tract, including the renal pelvis, ureters, bladder, superior urethra, and the central ducts of the prostate. They are highly specialized epithelial cell types possessing unique features, imparting important functional roles in the urinary system. They act as a permeability barrier and protect underlying muscle tissues from the caustic effects of urine while also expanding with bladder filling to adjust urine pressures. The multilayered urothelium is typically structured with differentiated, mature surface cells and less mature basal cells. The basal cell layer contains tissue-specific stem cells able to self-renew for the lifetime of the mammal and also produces a pool of maturing cells for tissue homeostasis. Maintaining regenerative basal cells in a culture facilitates urothelial cell growth in vitro. Additionally, epithelial-mesenchymal communication, epithelial-matrix interactions, and cytokines/growth factors are required to maintain the normal structure and function of mature urothelial cells in vitro and to induce stem cell differentiation into urothelial cells. These cultures are useful to study the biology and physiology of the urinary tract, particularly for the development of cell-based tissue engineering strategies in urology. This chapter describes methods for the isolation of urothelial cells and their maintenance in monolayer culture, and methods for the production of multilayer urothelial cell sheets and three-dimensional cocultures of urothelial and mesenchymal cells.
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Affiliation(s)
- Yuanyuan Zhang
- Department of Urology, Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA
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Ono H, Chihara D, Chiwaki F, Yanagihara K, Sasaki H, Sakamoto H, Tanaka H, Yoshida T, Saeki N, Matsuo K. Missense allele of a single nucleotide polymorphism rs2294008 attenuated antitumor effects of prostate stem cell antigen in gallbladder cancer cells. J Carcinog 2013; 12:4. [PMID: 23599686 PMCID: PMC3622366 DOI: 10.4103/1477-3163.109030] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2012] [Accepted: 09/23/2012] [Indexed: 12/16/2022] Open
Abstract
Background: Prostate stem cell antigen (PSCA), an organ-dependent tumor suppressor, is down regulated in gallbladder cancer (GBC). It is anticipated that the missense allele C of the single nucleotide polymorphism (SNP) rs2294008 (T/C) in the translation initiation codon of the gene affects the gene's biological function and has some influence on GBC susceptibility. We examined the biological effect of the C allele on the function of the gene and the relation between the C allele and GBC susceptibility. Materials and Methods: Functional analysis of the SNP was conducted by introducing PSCA cDNA harboring the allele to a GBC cell line TGBC- 1TKB and performing colony formation assays in vitro and tumor formation assays in mice. The effect on transcriptional regulation was assessed by reporter assays. The association study was conducted on 44 Japanese GBC cases and 173 controls. Results: The PSCA cDNA harboring the C allele showed lower cell growth inhibition activity (20% reduction) than that with the T allele. Concordantly, when injected into subcutaneous tissues of mice, the GBC cell line stably expressing the cDNA with the C allele formed tumors of almost the same size as that of the control cells, but the cell line expressing the cDNA with the T allele showed slower growth. The upstream DNA fragment harboring the C allele had more transcriptional activity than that with the T allele. The C allele showed positive correlation to GBC but no statistical significant odds ratio (OR = 1.77, 95% confidence interval 0.85-3.70, P value = 0.127 in dominant model). Conclusions: The missense allele was shown to have a biological effect, attenuating antitumor activities of PSCA, and consequently it may be a potential risk for GBC development. An association study in a larger sample size may reveal a significant association between the allele and GBC.
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Affiliation(s)
- Hiroe Ono
- Division of Genetics, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo, Japan
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Li F, Zhong MZ, Li JH, Liu W, Li B. Case-control study of single nucleotide polymorphisms of PSCA and MUC1 genes with gastric cancer in a Chinese. Asian Pac J Cancer Prev 2013; 13:2593-6. [PMID: 22938426 DOI: 10.7314/apjcp.2012.13.6.2593] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
AIMS A case-control study of 300 gastric cancer patients and 300 controls was conducted to investigate whether the polymorphisms rs2294008 in PSCA and rs2070803 in MUC1 might be associated with risk of gastric cancer in a Chinese population. METHODS Single nucleotide polymorphisms (SNPs) were genotyped using the Sequenom MassARRAY platform. RESULTS The data showed that the rs2294008 TT genotype increased gastric cancer risk to an adjusted odds ratio (OR) of 2.26 (95%CI 1.25-4.07), TC to 1.72 (95%CI 1.23-2.42) and TC/TT to 1.81 (95% CI 1.31-2.50), while the rs2070803 GA genotype was associated with a decrease in risk to an adjusted OR of 0.42 (95% CI 0.28-0.62) and rs2070803 GA / AA to 0.46 (95% CI 0.32-0.67). Further stratification analysis revealed that rs2294008 in PSCA consistently increased risk of both intestinal and diffuse-type gastric cancers. The effect of rs2070803 in MUC1 was noteworthily also consistent with both subtypes. CONCLUSIONS Our study suggested rs2294008 in the PSCA gene to be associated with increased risk of gastric cancer and rs2070803 in MUC1 to play a protective role in a Chinese population.
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Affiliation(s)
- Fang Li
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China
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