1
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Khan H, Shah MR, Barek J, Malik MI. Cancer biomarkers and their biosensors: A comprehensive review. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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2
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Xu G, Pan S, Zhu Z, Li J. Overexpression of miR-340 inhibits cell proliferation and induces apoptosis of human bladder cancer via targeting Glut-1. BMC Urol 2021; 21:168. [PMID: 34861846 PMCID: PMC8641194 DOI: 10.1186/s12894-021-00935-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 11/25/2021] [Indexed: 12/16/2022] Open
Abstract
Background Bladder cancer (BC) has high mortality due to distant metastasis. Previous works suggested that microRNA (miRNA)-340 is a critical regulator for the development and progression of various cancers. The specific biological function of miR-340 in BC is little known. Methods In the present study, RT-qPCR was performed to measure the expression of miR-340 in paired BC tissues and adjacent non-tumor tissues. Next, the target gene of miR-340 was identified using dual-luciferase reporter assay and its level was also tested in tissues. Moreover, cell proliferation and apoptosis were analyzed by CCK-8 and flow cytometry. Finally, the expression of PCNA, Bax was detected by RT-qPCR and western blotting, as well as PI3K/AKT signaling measured by western blotting. Result The results demonstrated that miR-340 expression was downregulated and its target Glut-1 level was upregulated in BC tissues. Functionally, overexpression of miR-340 suppressed the proliferation and induced apoptosis in BC cells, while Glut-1 reversed the suppression of proliferation or induction of apoptosis induced by miR-340. Additionally, miR-340 repressed PCNA, p-PI3K and p-AKT levels but enhanced Bax level, while Glut-1 rescued the effects. Conclusion In conclusion, miR-340 functions as a tumor suppressor of BC, which inhibited proliferation and induced apoptosis by targeting Glut-1 partly through regulating PCNA, Bax expression and PI3K/AKT pathway. This study suggested that miR-340 is a potential target for the treatment of BC. Supplementary Information The online version contains supplementary material available at 10.1186/s12894-021-00935-z.
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Affiliation(s)
- Gang Xu
- Department of Urology, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), No. 568, Zhongxing North Road, Shaoxing, 312000, Zhejiang, China
| | - Shouhua Pan
- Department of Urology, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), No. 568, Zhongxing North Road, Shaoxing, 312000, Zhejiang, China.
| | - Zhirong Zhu
- Department of Urology, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), No. 568, Zhongxing North Road, Shaoxing, 312000, Zhejiang, China
| | - Junlong Li
- Department of Urology, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), No. 568, Zhongxing North Road, Shaoxing, 312000, Zhejiang, China
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3
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Gao T, Ji Y. Long Noncoding RNA LINC00707 Accelerates Tumorigenesis and Progression of Bladder Cancer via Targeting miR-145/CDCA3 Regulatory Loop. Urol Int 2021; 105:891-905. [PMID: 34192702 DOI: 10.1159/000514388] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 01/07/2021] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Growing studies reveal that long noncoding RNA is involved in oncogenesis and progression. Previous studies have demonstrated that long intergenic noncoding RNA 00707 (LINC00707) stimulated tumor progress in numerous neoplasm types; however, the function of LINC00707 in bladder cancer (BC) was not yet clear. Our researches aimed to determine whether LINC00707 was dysregulated in BC and further study its biological functions. METHODS LINC00707 levels in BC tissues and cells were measured using reverse transcription-PCR (RT-PCR), and the associations between the levels of LINC00707 and clinicopathological features and the months of survival were also examined. Then, Cell Counting Kit-8 assays, flow cytometry, colony formation assays, and Transwell assays were applied for the assessment of the impact of LINC00707 on the abilities of BC cells. The interaction between LINC00707 and miR-145 or cell division cycle associated 3 was determined by luciferase reporter system and RT-PCR. Protein expressions of Wnt/β-catenin signaling were examined using RT-PCR and Western blot. RESULTS We found that LINC00707 expressions were notably upregulated in BC samples and cells. Higher expressions of LINC00707 were associated with T stage, grade, and shorter overall survival in BC patients. LINC00707 was also an independent prognostic factor for BC. In vitro assays confirmed that silencing LINC00707 expressions suppressed cell proliferation, colony formation, and metastasis. Mechanistic studies elucidated that LINC00707 was directly targeted to miR-145/CDCA3. Western blot assays revealed that Wnt/β-catenin signaling was inactivated by LINC00707 knockdown. CONCLUSION Our work offers new insight into the function of LINC00707 in the tumorigenesis of BC.
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Affiliation(s)
- Tongbin Gao
- Department of Urology, Weifang People's Hospital, Weifang, China
| | - Yongjian Ji
- Department of Urology, Weifang People's Hospital, Weifang, China
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4
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Zhao C, Pan Y, Wang Y, Li Y, Han W, Lu L, Tang W, Li P, Ou Z, Zhang M, Xiong Z, Xu R, Lu Q, Xu Z, Qi L, Wang L, Xu G. A novel cell-free single-molecule unique primer extension resequencing (cf-SUPER) technology for bladder cancer non-invasive detection in urine. Transl Androl Urol 2020; 9:1222-1231. [PMID: 32676405 PMCID: PMC7354286 DOI: 10.21037/tau-19-774] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background The clinical diagnostic method for bladder cancer is cystoscopy, an invasive, expensive and inconvenient clinical test. Using urinary cell-free DNA (cfDNA) to develop non-invasive test for bladder cancer was a promising liquid biopsy. Methods To improve the using rate of cfDNA template and decrease the PCR bias for liquid biopsy using urinary cfDNA, we developed a cell-free single-molecule unique primer extension resequencing (cf-SUPER) technology which was done for 29 matched urinary cfDNA and tumor DNA samples of bladder cancer patients to evaluate consistency of mutation profiles. Then, a 22 high mutational frequence genes was selected to form an uriprier panel, which was analyzed in 100 patients (47 bladder cancer cases and 53 controls) using cf-SUPER technology. This performance of the technology was evaluated using bioinformatic tools and clinical samples. Results The study showed that cf-SUPER technology can accurately detect mutations with allele fractions even low as 0.01% and the DNA input as low as 1 ng. The consistency of mutation profiles and clinical pathological diagnose between 29 matched urinary cfDNA and tumor DNA samples was respectively 82.76% and 89.66% by using cf-SUPER technology. Using cf-SUPER technology, the sensitivity and specificity were 98%, 94% respectively for uriprier panel in non-invasive test. Conclusions The preliminary work shows that cf-SUPER technology will be a promising method for liquid biopsy. Focusing urinary cfDNA, the non-invasive diagnose and monitoring of bladder cancer can come true by using cf-SUPER technology.
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Affiliation(s)
- Cheng Zhao
- Department of Urology, the Third Xiangya Hospital, Central South University, Changsha 410013, China.,Department of Urology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Yi Pan
- Yearth Biotechnology Co. Ltd., Changsha 410008, China
| | - Yinhuai Wang
- Department of Urology, The Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Yuanwei Li
- Department of Urology, Hunan Provincial People's Hospital, First Affiliated Hospital of Hunan Normal University, Changsha 410000, China
| | - Weiqing Han
- Department of Urology, Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medical, Central South University, Changsha 410013, China
| | - Li Lu
- Yearth Biotechnology Co. Ltd., Changsha 410008, China
| | - Wei Tang
- Yearth Biotechnology Co. Ltd., Changsha 410008, China
| | - Pei Li
- Yearth Biotechnology Co. Ltd., Changsha 410008, China
| | - Zhenyu Ou
- Department of Urology, the Third Xiangya Hospital, Central South University, Changsha 410013, China.,Department of Urology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Mengda Zhang
- Department of Urology, the Third Xiangya Hospital, Central South University, Changsha 410013, China
| | - Zhuang Xiong
- Yearth Biotechnology Co. Ltd., Changsha 410008, China
| | - Ran Xu
- Department of Urology, The Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Qiang Lu
- Department of Urology, Hunan Provincial People's Hospital, First Affiliated Hospital of Hunan Normal University, Changsha 410000, China
| | - Zhenzhou Xu
- Department of Urology, Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medical, Central South University, Changsha 410013, China
| | - Lin Qi
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Long Wang
- Department of Urology, the Third Xiangya Hospital, Central South University, Changsha 410013, China.,Department of Urology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Genming Xu
- Yearth Biotechnology Co. Ltd., Changsha 410008, China
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5
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Taherian-Esfahani Z, Dashti S. Cancer-testis antigens: An update on their roles in cancer immunotherapy. Hum Antibodies 2020; 27:171-183. [PMID: 30909205 DOI: 10.3233/hab-190366] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
BACKGROUND Several recent studies have assessed suitability of tumor antigens for immunotherapy. Based on the restricted expression pattern in somatic tissues, cancer-testis antigens (CTAs) are possible candidates for cancer immunotherapy. These antigens are expressed in various tumors including gastrointestinal, breast, skin and hematologic malignancies. OBJECTIVES To find clinical trials utilizing CTAs in cancer patients. METHODS We searched PubMed, google scholar and specific websites that registers clinical trials. RESULTS A number of clinical trials have been designed to evaluate safety and efficacy of CTA-based treatments. The results of some of them have been promising. In the current literature search, we summarized the clinical trials of CTA-based therapies in cancer patients. CONCLUSIONS Based on the availability of different formulations of CTA-based vaccines, future researches should compare efficiency of these modalities.
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Li D, Jiao W, Liang Z, Wang L, Chen Y, Wang Y, Liang Y, Niu H. Variation in energy metabolism arising from the effect of the tumor microenvironment on cell biological behaviors of bladder cancer cells and endothelial cells. Biofactors 2020; 46:64-75. [PMID: 31580525 DOI: 10.1002/biof.1568] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 08/13/2019] [Accepted: 08/30/2019] [Indexed: 12/15/2022]
Abstract
Tumor energy metabolism and angiogenesis play significant roles in tumor genesis and development, while the effect of the tumor microenvironment (TME), which tumors rely on, is always ignored. In this research, we cocultured bladder cancer (BC) T24 cells with tumor-associated human umbilical vein endothelial cells (HUVECs) under normoxic and hypoxic conditions and detected proliferation, migration, oxidative phosphorylation (OXPHOS) and glycolysis to reveal the energy metabolism characteristics and their effect on cell biological behaviors (CBBs) in the TME. Compared with single-cultured cells, both cocultured T24 cells and HUVECs showed poor proliferation and migration in hypoxic environment, and OXPHOS was activated in cocultured T24 cells but weakened in cocultured HUVECs. However, in normoxic environment, cocultured T24 cells grew much faster while cocultured HUVECs grew slower compared with single-cultured cells. Additionally, glycolysis played a crucial role in energy metabolism and was inhibited in cocultured T24 cells but activated in cocultured HUVECs. In normoxic TME, OXPHOS take main responsibility of energy metabolism. T24 cells exhibited increased proliferation and migration with HUVECs support. In hypoxic TME, glycolysis may be the primary energy supply pathway. T24 cells then exhibit suppressed proliferation and migration, while HUVECs tend to promote angiogenesis to adapt to the harsh TME.
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Affiliation(s)
- Dan Li
- Key Laboratory, Department of Urology and Andrology, Affiliated Hospital of Qingdao University, Qingdao Shi, Shandong Sheng, China
| | - Wei Jiao
- Department of Urology, Affiliated Hospital of Qingdao University, Qingdao Shi, Shandong Sheng, China
| | - Zhijuan Liang
- Key Laboratory, Department of Urology and Andrology, Affiliated Hospital of Qingdao University, Qingdao Shi, Shandong Sheng, China
| | - Liping Wang
- Key Laboratory, Department of Urology and Andrology, Affiliated Hospital of Qingdao University, Qingdao Shi, Shandong Sheng, China
| | - Yuanbin Chen
- Key Laboratory, Department of Urology and Andrology, Affiliated Hospital of Qingdao University, Qingdao Shi, Shandong Sheng, China
| | - Yonghua Wang
- Department of Urology, Affiliated Hospital of Qingdao University, Qingdao Shi, Shandong Sheng, China
| | - Ye Liang
- Key Laboratory, Department of Urology and Andrology, Affiliated Hospital of Qingdao University, Qingdao Shi, Shandong Sheng, China
| | - Haitao Niu
- Key Laboratory, Department of Urology and Andrology, Affiliated Hospital of Qingdao University, Qingdao Shi, Shandong Sheng, China
- Department of Urology, Affiliated Hospital of Qingdao University, Qingdao Shi, Shandong Sheng, China
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7
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Lin F, Yin HB, Li XY, Zhu GM, He WY, Gou X. Bladder cancer cell‑secreted exosomal miR‑21 activates the PI3K/AKT pathway in macrophages to promote cancer progression. Int J Oncol 2019; 56:151-164. [PMID: 31814034 PMCID: PMC6910194 DOI: 10.3892/ijo.2019.4933] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Accepted: 11/08/2019] [Indexed: 12/11/2022] Open
Abstract
Tumour-associated macrophages (TAMs) compose a major component of the tumour microenvironment and form in this microenvironment prior to cancer metastasis. However, the detailed mechanisms of TAM remodelling in the context of bladder cancer have not been clearly defined. The present study collected exosomes from the conditioned medium of human bladder T24 cancer cells. The effects of macrophages treated with exosomes derived from T24 cells on bladder cancer cell migration and invasion were analysed by Transwell assays. The expression levels of endogenous and exosomal microRNA-21 (miR-21) were examined by reverse transcription-quantitative PCR, while the expression level of the target protein was analysed by western blot analysis. Luciferase reporter plasmids and mutants were used to confirm direct targeting. The effects of miR-21 on bladder cancer cell migration and invasion were analysed by Transwell and Matrigel assays following miR-21 transfection. It was identified that exosomes derived from bladder cancer cells polarized THP-1 cell-derived macrophages into the M2 phenotype, and TAM-mediated pro-migratory and pro-invasive activity was determined. Moreover, it was found that miR-21 was highly expressed in exosomes derived from bladder cancer cells as well as in macrophages treated with exosomes. In addition, macrophages transfected with miR-21 exhibited M2 polarization and promoted T24 cell migratory and invasive ability. Mechanistically, exosomal miR-21 derived from bladder cancer cells inhibited phosphatase and tensin homolog activation of the PI3K/AKT signalling pathway in macrophages and enhanced STAT3 expression to promote M2 phenotypic polarization. The present results suggest that exosomal miR-21 can promote cancer progression by polarizing TAMs.
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Affiliation(s)
- Fan Lin
- Department of Urology, The First Affiliated Hospital, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Hu-Bin Yin
- Department of Urology, The First Affiliated Hospital, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Xin-Yuan Li
- Department of Urology, The First Affiliated Hospital, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Gong-Min Zhu
- Department of Urology, The First Affiliated Hospital, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Wei-Yang He
- Department of Urology, The First Affiliated Hospital, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Xin Gou
- Department of Urology, The First Affiliated Hospital, Chongqing Medical University, Chongqing 400016, P.R. China
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8
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Dashti S, Taherian-Esfahani Z. Cellular immune responses against cancer-germline genes in cancers. Hum Antibodies 2019; 28:57-64. [PMID: 31356200 DOI: 10.3233/hab-190392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
BACKGROUND Cancer-germline genes are a class of genes that are normally expressed in testis, trophoblast and few somatic tissues but abnormally expressed in tumor tissues. Their expression signature indicates that they can induce cellular immune responses, thus being applied as targets in cancer immunotherapy. OBJECTIVES To obtain the data of cellular immune responses against cancer-germline genes in cancer. METHODS We searched PubMed/Medline with the key words cancer-germline antigen, cancer-testis antigen, CD4+ T cell, CD8+ T cell and cancer. RESULTS About 40 cancer-germline genes have been shown to induce T cell specific responses in cancer patients. Melanoma, lung and breast cancer are among the mostly assessed cancer types. Several epitopes have been identified which can be used in immunotherapy of cancer. CONCLUSION Cellular immune responses against cancer-germline genes are indicative of appropriateness of these genes as therapeutic targets.
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9
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Rakhshan A, Omrani MD, Noroozi R, Taheri M, Ghafouri-Fard S. Retinoic Acid Related Orphan Receptor A (RORA) gene variants and risk of bladder cancer. GENE REPORTS 2019. [DOI: 10.1016/j.genrep.2018.11.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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10
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Astaneh M, Dashti S, Esfahani ZT. Humoral immune responses against cancer-testis antigens in human malignancies. Hum Antibodies 2019; 27:237-240. [PMID: 31006681 DOI: 10.3233/hab-190377] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
BACKGROUND Cancer-testis antigens (CTAs) are a class of cancer antigens with extensive expression in human cancers. Many researchers have detected antibody responses against these tumor antigens in serum of cancer patients. OBJECTIVES To evaluate the relevance of humoral immune responses against CTAs in clinical outcome of cancer patientsMETHODS: We searched PubMed/Medline with the key words cancer-testis antigen, antibody, humoral response and cancer. RESULTS Humoral immune responses against CTAs have been detected in several human malignancies including skin, breast, brain and ovarian cancers. Some studies have shown associations between the presence of these responses in patients and patients' survival. CONCLUSION Humoral immune responses against CTAs are putative biomarkers for cancer detection and follow-up.
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11
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Chen L, Long Y, Han Z, Yuan Z, Liu W, Yang F, Li T, Shu L, Zhong Y. MicroRNA-101 inhibits cell migration and invasion in bladder cancer via targeting FZD4. Exp Ther Med 2018; 17:1476-1485. [PMID: 30680031 DOI: 10.3892/etm.2018.7084] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Accepted: 08/08/2018] [Indexed: 12/26/2022] Open
Abstract
Dysfunction of microRNAs (miRs) has been implicated in the development and progression of various human cancers. Our previous study demonstrated that miR-101 inhibited bladder cancer cell proliferation and invasion through inhibition of c-FOS expression. As an miR generally has many targets, other targets of miR-101 may also serve important roles in bladder cancer progression. Reverse transcription-quantitative polymerase chain reaction and western blot analyses were used to examine mRNA and protein expression, respectively. Wound healing and Transwell assays were conducted to study cell migration and invasion, respectively. The luciferase reporter gene assay was performed to verify one of the targets of miR-101. The data in the present study indicate that the expression of miR-101 is significantly reduced in bladder cancer tissues compared with that in adjacent non-tumour tissues. In addition, miR-101 expression is also downregulated in bladder cancer cell lines compared with that in normal bladder epithelial cells. Furthermore, low expression of miR-101 was significantly associated with tumour metastasis, advanced clinical stage, and poor prognosis in bladder cancer. Frizzled class receptor 4 (FZD4) was identified as a novel target of miR-101 in bladder cancer cells. The expression of FZD4 was significantly upregulated in bladder cancer tissues and cell lines. Both miR-101 overexpression and FZD4 inhibition caused a significant reduction of the migration and invasion of bladder cancer cells, whereas overexpression of FZD4 reversed the suppressive effects of miR-101 on bladder cancer cell migration and invasion. In conclusion, it was demonstrated that miR-101 downregulation is associated with bladder cancer progression and that miR-101 can inhibit bladder cancer cell migration and invasion via directly targeting FZD4. The present study expands the understanding of the molecular mechanisms underlying bladder cancer progression.
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Affiliation(s)
- Lei Chen
- Department of Urinary Surgery, Zhuzhou Central Hospital, Zhuzhou, Hunan 412000, P.R. China
| | - Yongqi Long
- Department of Urinary Surgery, Zhuzhou Central Hospital, Zhuzhou, Hunan 412000, P.R. China
| | - Zhijun Han
- Department of Urinary Surgery, Zhuzhou Central Hospital, Zhuzhou, Hunan 412000, P.R. China
| | - Zhizhou Yuan
- Department of Urinary Surgery, Zhuzhou Central Hospital, Zhuzhou, Hunan 412000, P.R. China
| | - Wenjin Liu
- Department of Urinary Surgery, Zhuzhou Central Hospital, Zhuzhou, Hunan 412000, P.R. China
| | - Fan Yang
- Department of Urinary Surgery, Zhuzhou Central Hospital, Zhuzhou, Hunan 412000, P.R. China
| | - Tao Li
- Department of Urinary Surgery, Zhuzhou Central Hospital, Zhuzhou, Hunan 412000, P.R. China
| | - Linfei Shu
- Department of Urinary Surgery, Zhuzhou Central Hospital, Zhuzhou, Hunan 412000, P.R. China
| | - Yunying Zhong
- Department of Urinary Surgery, Zhuzhou Central Hospital, Zhuzhou, Hunan 412000, P.R. China
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12
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Nekoohesh L, Modarressi MH, Mowla SJ, Sadroddiny E, Etemadian M, Afsharpad M, Zolfaghari F, Barzegari M, Saffari M, Oskooei VK, Motevaseli E, Ghafouri-Fard S. Expression profile of miRNAs in urine samples of bladder cancer patients. Biomark Med 2018; 12:1311-1321. [PMID: 30507304 DOI: 10.2217/bmm-2018-0190] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
AIM miRNAs have been suggested as biomarkers for bladder cancer. We aimed to find a diagnostic panel of miRNAs based on differential expression of miRNAs in urine specimens of patient with bladder cancer compared with control group. METHODS miR-141, miR-10b, miR-34b and miR-103 were selected to assess their expression in urine samples of 66 bladder cancer patients and 53 matched controls using quantitative real time PCR. RESULTS miR-10b and miR-34b were upregulated in cases compared with controls. The combination of four miRNAs showed a sensitivity of 75% and specificity of 63.5% with a diagnostic power of 72%. CONCLUSION Certain miRNAs can be used as biomarkers for early diagnosis of bladder cancer.
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Affiliation(s)
- Leila Nekoohesh
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hossein Modarressi
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Javad Mowla
- Faculty of Biological Sciences, Department of Genetics, Tarbiat Modares University, Tehran, Iran
| | - Esmaeil Sadroddiny
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Masoud Etemadian
- Department of Urology, Hasheminejad Kidney Center, Iran University of Medical Sciences, Tehran, Iran
| | - Mandana Afsharpad
- Cancer Control Research Center, Cancer Control Foundation, Iran University of Medical Sciences, Tehran, Iran
| | - Faezeh Zolfaghari
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Manijeh Barzegari
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mojtaba Saffari
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Vahid Kholghi Oskooei
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Elahe Motevaseli
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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13
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Yazarlou F, Afsharpad M, Oskooei VK, Nekoohesh L, Moharrami T, Samadaian N, Ghafouri-Fard S, Modarressi MH. Expression analysis of apoptosis-related genes in bladder cancer patients. Meta Gene 2018. [DOI: 10.1016/j.mgene.2018.08.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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14
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Yazarlou F, Kholghi-Oskooei V, Afsharpad M, Nekoohesh L, Moharrami T, Rad HM, Ghafouri-Fard S, Modarressi MH. Expression analysis of a panel of cancer-testis antigens in bladder cancer. Per Med 2018; 15:511-520. [PMID: 30362892 DOI: 10.2217/pme-2018-0049] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
AIM Cancer-testis antigens (CTAs) have specific expression in gametogenic tissues and aberrant expression in cancers. Materials & methods: We assessed expression of five testis-specific genes namely KIF2B, CST8, TMEM225, RBM46, OAZ3 in bladder cancer tissues, adjacent non-neoplastic tissues and urinary cell pellets (UCPs) of bladder cancer patients compared with nonmalignant conditions. RESULTS Expressions of all CTAs were higher in UCPs of bladder cancer patients compared with nonmalignant conditions. RBM46 expression in UCPs was higher in patients with recurrent tumors compared with primary tumors and in patients without hematuria compared with those having hematuria. TMEM225 expression in tumoral tissues was higher in high-grade tumors compared with low-grade tumors. CONCLUSION Expression analysis of CTAs in UCP might provide diagnostic information about bladder cancer.
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Affiliation(s)
- Fatemeh Yazarlou
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran 1416753955, Iran
| | - Vahid Kholghi-Oskooei
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran
| | - Mandana Afsharpad
- Cancer Research Center, Cancer Institute of Iran, Tehran University of Medical Sciences, Tehran 1416753955, Iran
| | - Leila Nekoohesh
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, International Campus, Tehran University of Medical Sciences, Tehran 1416753955, Iran
| | - Tamouchin Moharrami
- Department of Medical Genetics, School of Medicine, International Campus, Tehran University of Medical Sciences, Tehran, Iran
| | - Hanie M Rad
- Department of Molecular Genetics, Faculty of Biological Science, Tarbiat Modares University, Tehran 1411713114, Iran
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran.,Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran
| | - Mohammad H Modarressi
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran 1416753955, Iran.,Cancer Research Center, Cancer Institute of Iran, Tehran University of Medical Sciences, Tehran 1416753955, Iran
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15
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Taheri M, Omrani MD, Ghafouri-Fard S. Long non-coding RNA expression in bladder cancer. Biophys Rev 2018; 10:1205-1213. [PMID: 29222807 PMCID: PMC6082308 DOI: 10.1007/s12551-017-0379-y] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2017] [Accepted: 11/27/2017] [Indexed: 01/02/2023] Open
Abstract
The advent of novel high-throughput sequencing methods has facilitated identification of non-coding RNAs with fundamental roles in cellular biological and pathological conditions. A group of these consisting of at least 200 nucleotides are called long non-coding RNAs (lncRNAs). Their participation in the pathogenesis of cancer has been highlighted in recent years. Bladder cancer, one of the most prevalent cancers worldwide, exhibits altered expression levels of several lncRNAs. Several in vitro and in vivo studies have assessed the effects of silencing RNAs on cancer cell phenotypes and in vivo tumor growth. For instance, in vitro studies have shown that nuclear paraspeckle assembly transcript 1 (NEAT1), promoter of CDKN1A antisense DNA damage-activated RNA(PANDAR) and metastasis-associated lung adenocarcinoma transcript 1(MALAT1) have oncogenic effects while Maternally expressed 3 (MEG3) and BRAF activated non-coding RNA (BANCR) are tumor suppressors. Analysis of these data will help to identify a panel of lncRNAs that can be potentially used for both early detection and prognosis in bladder cancer patients. Here, we review the roles of several lncRNAs in the oncogenesis, tumor suppression, early detection, and prognosis of bladder cancer.
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Affiliation(s)
- Mohammad Taheri
- Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mir Davood Omrani
- Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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16
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Faramarzi S, Ghafouri-Fard S. Melanoma: a prototype of cancer-testis antigen-expressing malignancies. Immunotherapy 2018; 9:1103-1113. [PMID: 29032737 DOI: 10.2217/imt-2017-0091] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Melanoma is the first malignancy in which expression and immunogenicity of cancer-testis antigens (CTAs) have been documented. Several CTAs have been shown to be expressed in melanoma samples especially those with metastatic potential. Many of them have been shown to exert oncogenic effects through modulation of essential pathways involved in melanoma. The crucial role of CTAs in the pathogenesis of melanoma, the high prevalence of expression of CTA panels in melanoma and the presence of spontaneous as well as inducible immune responses against CTAs in melanoma patients potentiate CTAs as immunotherapeutic targets. Numerous clinical trials are now ongoing to evaluate CTA-based immunotherapeutic effects in melanoma patient's survival. NY-ESO-1 and MAGE antigens have the most promising results up to now.
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Affiliation(s)
- Sepideh Faramarzi
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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17
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Faramarzi S, Ghafouri-Fard S. Expression analysis of cancer-testis genes in prostate cancer reveals candidates for immunotherapy. Immunotherapy 2018; 9:1019-1034. [PMID: 28971747 DOI: 10.2217/imt-2017-0083] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Prostate cancer is a prevalent disorder among men with a heterogeneous etiological background. Several molecular events and signaling perturbations have been found in this disorder. Among genes whose expressions have been altered during the prostate cancer development are cancer-testis antigens (CTAs). This group of antigens has limited expression in the normal adult tissues but aberrant expression in cancers. This property provides them the possibility to be used as cancer biomarkers and immunotherapeutic targets. Several CTAs have been shown to be immunogenic in prostate cancer patients and some of the have entered clinical trials. Based on the preliminary data obtained from these trials, it is expected that CTA-based therapeutic options are beneficial for at least a subset of prostate cancer patients.
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Affiliation(s)
- Sepideh Faramarzi
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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18
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Long Y, Wu Z, Yang X, Chen L, Han Z, Zhang Y, Liu J, Liu W, Liu X. MicroRNA-101 inhibits the proliferation and invasion of bladder cancer cells via targeting c-FOS. Mol Med Rep 2016; 14:2651-6. [PMID: 27485165 DOI: 10.3892/mmr.2016.5534] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Accepted: 02/15/2016] [Indexed: 12/27/2022] Open
Abstract
MicroRNAs (miRs) have important roles in the parthenogenesis of malignancies. While it has been suggested that deregulation of miR‑101 is involved in bladder cancer, the underlying mechanisms have remained largely elusive. The present study aimed to investigate the roles of miR‑101 in the regulation of bladder cancer cell proliferation and invasion. Reverse‑transcription quantitative polymerase chain reaction analysis revealed that the expression of miR‑101 was significantly reduced in the HT‑1376, BIU87, T24 and 5637 several human bladder cancer cell lines compared to that in the SV‑HUC‑1 normal bladder epithelial cell line. Furthermore, a Targetscan search and a luciferase assay were used to identify c‑FOS as a novel target of miR‑101, and western blot analysis indicated that the protein expression of c‑FOS was shown to be negatively regulated by miR‑101 in bladder cancer T24 cells; however, c‑FOS mRNA expression was not affected. In addition, plasmid‑mediated overexpression of miR‑101 and small hairpin RNA‑mediated inhibition of c‑FOS significantly inhibited the proliferation and invasive capacity of T24 cells, as indicated by an MTT and a Transwell assay, respectively. However, plasmid‑mediated overexpression of c‑FOS reversed the inhibitory effects of miR‑101 overexpression on T24‑cell proliferation and invasion. In conclusion, the present study demonstrated that miR‑101 inhibits the proliferation and invasion of bladder cancer cells, at least partly via targeting c‑FOS, suggesting that miR-101/c‑FOS signaling may represent a potential therapeutic target for bladder cancer.
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Affiliation(s)
- Yongqi Long
- Department of Urinary Surgery, Central Hospital of Zhuzhou, Zhuzhou, Hunan 412000, P.R. China
| | - Zhiping Wu
- Department of Urinary Surgery, The Affiliated Hospital of Guiyang Medical College, Guiyang, Guizhou 550004, P.R. China
| | - Xinhua Yang
- Department of Urinary Surgery, Central Hospital of Zhuzhou, Zhuzhou, Hunan 412000, P.R. China
| | - Lei Chen
- Department of Urinary Surgery, Central Hospital of Zhuzhou, Zhuzhou, Hunan 412000, P.R. China
| | - Zhijun Han
- Department of Urinary Surgery, Central Hospital of Zhuzhou, Zhuzhou, Hunan 412000, P.R. China
| | - Yulong Zhang
- Department of Urinary Surgery, Central Hospital of Zhuzhou, Zhuzhou, Hunan 412000, P.R. China
| | - Jinge Liu
- Department of Urinary Surgery, Central Hospital of Zhuzhou, Zhuzhou, Hunan 412000, P.R. China
| | - Wenjin Liu
- Department of Urinary Surgery, Central Hospital of Zhuzhou, Zhuzhou, Hunan 412000, P.R. China
| | - Xinyi Liu
- Department of Urinary Surgery, Central Hospital of Zhuzhou, Zhuzhou, Hunan 412000, P.R. China
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19
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Esfandiary A, Ghafouri-Fard S. New York esophageal squamous cell carcinoma-1 and cancer immunotherapy. Immunotherapy 2016; 7:411-39. [PMID: 25917631 DOI: 10.2217/imt.15.3] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
New York esophageal squamous cell carcinoma 1 (NY-ESO-1) is a known cancer testis gene with exceptional immunogenicity and prevalent expression in many cancer types. These characteristics have made it an appropriate vaccine candidate with the potential application against various malignancies. This article reviews recent knowledge about the NY-ESO-1 biology, function, immunogenicity and expression in cancers as well as and the results of clinical trials with this antigen.
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Affiliation(s)
- Ali Esfandiary
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran 19857-17443, Iran
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20
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Ghafouri-Fard S, Seifi-Alan M, Shamsi R, Esfandiary A. Immunotherapy in Multiple Myeloma Using Cancer-Testis Antigens. IRANIAN JOURNAL OF CANCER PREVENTION 2015; 8:e3755. [PMID: 26634107 PMCID: PMC4667235 DOI: 10.17795/ijcp-3755] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Revised: 08/29/2015] [Accepted: 09/22/2015] [Indexed: 11/25/2022]
Abstract
Context: Multiple myeloma (MM) is a B-cell malignancy characterized by monoclonal expansion of abnormal plasma cells in the bone marrow. It accounts for 10% of hematological malignancies. Although patients respond to a wide range of anticancer modalities, relapse occurs in a significant number of the cases. Immunotherapeutic approaches have been evolved to tackle this problem. Cancer-testis antigens CTAs as a group of tumor-associated antigens are appropriate targets for cancer immunotherapy as they have restricted expression pattern in normal tissues except for testis which is an immune-privileged site. Expression of these antigens has been assessed in different malignancies including MM. Evidence Acquisition: We performed a computerized search of the MEDLINE/PubMed databases with key words: multiple myeloma, cancer-testis antigen, and cancer stem cell and immunotherapy. Results: Several CTAs including NY-ESO-1, MAGE and GAGE family have been shown to be expressed in MM patients. Cellular and humoral immune responses against these antigens have been detected in MM patients. Conclusions: The frequent and high expression level of CTAs in MM patients shows that these antigens can be applied as cancer biomarkers as well as targets for immunotherapy in these patients.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Mahnaz Seifi-Alan
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Roshanak Shamsi
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Ali Esfandiary
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
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21
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Sen V, Bozkurt O, Demir O, Tuna B, Yorukoglu K, Ellidokuz H, Mungan U. Prognostic significance of Nestin expression in pT1 high- grade bladder urothelial carcinoma patients treated with intravesical BCG. Asian Pac J Cancer Prev 2015; 15:10813-7. [PMID: 25605182 DOI: 10.7314/apjcp.2014.15.24.10813] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Possible roles of nestin expression in terms of predicting intravesical BCG therapy response in T1 high grade bladder cancer patients were investigated. MATERIALS AND METHODS T1 high grade bladder cancer patients who were treated with intravesical BCG between 1990-2009 were included. Immunohistochemical staining for nestin expression was performed. Nestin(+) and nestin(-) patients were compared in terms of recurrence and progression rates. RESULTS Sixty-three patients were included and median follow-up time was twenty-five months. After staining; 33 patients (52.4%) were classified as nestin (+) and 30 (47.6%) as (-). Nestin (+) patients were more likely to recur compared to nestin (-) patients (60.6% vs. 30%, p<0.05). Progression rates were also higher in nestin (+) patients, although this result did not reach statistical significance (15.2 % vs. 10 %, p=0.710). CONCLUSIONS Nestin expression, which seems effective in predicting recurrence, appears to have a potential role in the urothelial carcinoma tumorigenesis. Patients with high grade bladder cancer and positive nestin expression need close follow-up and might be informed about more tendency to recur. Further comprehensive studies including larger patient cohorts may clarify the role of nestin in bladder cancer.
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Affiliation(s)
- Volkan Sen
- Department of Urology, School of Medicine, Dokuz Eylul University, Izmir, Turkey E-mail :
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22
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Mammadov E, Aslan G, Tuna B, Bozkurt O, Yorukoglu K. Can recurrence and progression be predicted by HYAL-1 expression in primary T1 bladder cancer? Asian Pac J Cancer Prev 2015; 15:10401-5. [PMID: 25556483 DOI: 10.7314/apjcp.2014.15.23.10401] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Molecular prognostic markers have been under investigation for the last decade and no validated marker to date has been proven to be used in daily clinical practice for urinary bladder cancers. The aim of the present study is to evaluate the significance of HYAL-1 expression in prediction of recurrence and progression in pT1 urothelial carcinomas. MATERIALS AND METHODS Eighty-nine urothelial carcinoma cases staged as T1 according to 2004 WHO classification were studied. Representative sections from every case were stained immunohistochemically for HYAL-1 and scored between 0 and +3, according to staining density, and graded as low and high for the scores 0-1 and 2-3, respectively. RESULTS Of the 89 pT1 bladder cancer patients, HYAL-1 expression was high in 92.1% (82 patients; 72 patients +3 and 10 patients +2) and low in 7.9% (only 7 patients; 6 patients +1 and 1 patient 0) of the cases. Of the 89 patients, 38 (42.7%) had recurrence and 22 (24.7%) showed progression. HYAL-1 staining did not show significant characteristics for tumor grade, accompanying CIS, multiplicity, tumor size, age and sex. HYAL-1 expression did not have any prognostic value in estimating recurrence or progression. CONCLUSIONS HYAL-1 expression was found to be high, but did not have any prognostic importance in T1 bladder urothelial carcinomas.
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Affiliation(s)
- Elnur Mammadov
- Urology, Medicine, Dokuz Eylul University , Izmir, Turkey E-mail :
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23
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ZHAO CHENG, QI LIN, CHEN MINFENG, LIU LONGFEI, YAN WEIQIAN, TONG SHIYU, ZU XIONGBING. microRNA-195 inhibits cell proliferation in bladder cancer via inhibition of cell division control protein 42 homolog/signal transducer and activator of transcription-3 signaling. Exp Ther Med 2015; 10:1103-1108. [PMID: 26622447 PMCID: PMC4533204 DOI: 10.3892/etm.2015.2633] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Accepted: 02/04/2015] [Indexed: 11/05/2022] Open
Abstract
microRNA (miR)-195 acts as a suppressor in multiple types of malignant tumors, including bladder cancer; however, the detailed function of miR-195 in bladder cancer remains largely unknown. The aim of the present study was to investigate the role of miR-195 in the regulation of bladder cancer cell proliferation and to determine whether cell division control protein 42 homolog (Cdc42)/signal transducer and activator of transcription-3 (STAT3) signaling acts as a downstream effector of miR-195 in bladder cancer cells. Reverse transcription-quantitative polymerase chain reaction was used to determine the expression levels of miR-195 in bladder cancer tissues and normal adjacent tissue. The results revealed that the expression of miR-195 was significantly downregulated in bladder cancer tissues compared with that in the normal adjacent tissues. A luciferase reporter assay was then conducted, which identified Cdc42 as a direct target of miR-195, and the expression of Cdc42 was significantly upregulated in bladder cancer tissues, as determined by western blotting. Furthermore, miR-195 negatively regulated the protein expression of Cdc42 in bladder cancer cells. An MTT assay was also conducted to determine the rate of cell proliferation. Upregulation of miR-195 or the inhibition of Cdc42 could inhibit bladder cancer cell proliferation, possibly through activation of STAT3 signaling. In addition, restoration of Cdc42 could reverse the inhibitory effect of miR-195 upregulation on bladder cancer cell proliferation. In conclusion, the results of the present study suggest that miR-195 plays an inhibitory role in the regulation of bladder cancer cell proliferation by directly targeting Cdc42/STAT3 signaling.
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Affiliation(s)
- CHENG ZHAO
- Department of Urology, Xiangya Hospital of Central South University, Changsha, Hunan 410008, P.R. China
| | - LIN QI
- Department of Urology, Xiangya Hospital of Central South University, Changsha, Hunan 410008, P.R. China
| | - MINFENG CHEN
- Department of Urology, Xiangya Hospital of Central South University, Changsha, Hunan 410008, P.R. China
| | - LONGFEI LIU
- Department of Urology, Xiangya Hospital of Central South University, Changsha, Hunan 410008, P.R. China
| | - WEIQIAN YAN
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, Hunan 410008, P.R. China
| | - SHIYU TONG
- Department of Urology, Xiangya Hospital of Central South University, Changsha, Hunan 410008, P.R. China
| | - XIONGBING ZU
- Department of Urology, Xiangya Hospital of Central South University, Changsha, Hunan 410008, P.R. China
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24
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Tsui KH, Hsu SY, Chung LC, Lin YH, Feng TH, Lee TY, Chang PL, Juang HH. Growth differentiation factor-15: a p53- and demethylation-upregulating gene represses cell proliferation, invasion, and tumorigenesis in bladder carcinoma cells. Sci Rep 2015; 5:12870. [PMID: 26249737 PMCID: PMC4528199 DOI: 10.1038/srep12870] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Accepted: 06/29/2015] [Indexed: 12/22/2022] Open
Abstract
Growth differentiation factor-15 (GDF15), a member of the TGF-β superfamily, affects tumor biology of certain cancers, but remains poorly understood in bladder cancer cells. This study determined the expression, regulation, function, and potential downstream target genes of GDF15 in bladder carcinoma cells. The transitional papilloma carcionoma cells (RT4) expressed higher levels of GDF15 as compared with the bladder carcinoma cells (HT1376 and T24). Treatments of recombinant human GDF15 (rhGDF15) reduced the proliferations of HT1376 and T24 cells. Expression of GDF15 was upregulated via DNA demethylation and p53. The cell proliferation, invasion, and tumorigenesis were reduced in ectopic overexpression of GDF15, while enhanced in GDF15 knockdown. The expressions of mammary serine protease inhibitor (MASPIN) and N-myc downstream-regulated family genes (NDRG1, NDRG2, and NDRG3) were upregulated by GDF15 overexpressions and rhGDF15 treatments in bladder carcinoma cells. GDF15 knockdown induced epithelial-mesenchymal transition (EMT) and F-actin polarization in HT1376 cells. Our results suggest that enhanced expressions of MASPIN and N-myc downstream-regulated family genes and the modulation of EMT may account for the inhibitory functions of GDF15 in the cell proliferation, invasion, and tumorigenesis of bladder carcinoma cells. The GDF15 should be considered as a tumor suppressor in human bladder carcinoma cells.
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Affiliation(s)
- Ke-Hung Tsui
- 1] Department of Urology, Chang Gung Memorial Hospital, Kwei-Shan, Tao-Yuan, Taiwan, ROC [2] Department of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan, ROC
| | - Shu-Yuan Hsu
- Department of Anatomy, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan, ROC
| | - Li-Chuan Chung
- Department of Anatomy, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan, ROC
| | - Yu-Hsiang Lin
- Department of Urology, Chang Gung Memorial Hospital, Kwei-Shan, Tao-Yuan, Taiwan, ROC
| | - Tsui-Hsia Feng
- School of Nursing, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan, ROC
| | - Tzu-Yi Lee
- Department of Anatomy, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan, ROC
| | - Phei-Lang Chang
- 1] Department of Urology, Chang Gung Memorial Hospital, Kwei-Shan, Tao-Yuan, Taiwan, ROC [2] Department of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan, ROC
| | - Horng-Heng Juang
- Department of Anatomy, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan, ROC
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25
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Sanguedolce F, Cormio A, Bufo P, Carrieri G, Cormio L. Molecular markers in bladder cancer: Novel research frontiers. Crit Rev Clin Lab Sci 2015; 52:242-55. [PMID: 26053693 DOI: 10.3109/10408363.2015.1033610] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Bladder cancer (BC) is a heterogeneous disease encompassing distinct biologic features that lead to extremely different clinical behaviors. In the last 20 years, great efforts have been made to predict disease outcome and response to treatment by developing risk assessment calculators based on multiple standard clinical-pathological factors, as well as by testing several molecular markers. Unfortunately, risk assessment calculators alone fail to accurately assess a single patient's prognosis and response to different treatment options. Several molecular markers easily assessable by routine immunohistochemical techniques hold promise for becoming widely available and cost-effective tools for a more reliable risk assessment, but none have yet entered routine clinical practice. Current research is therefore moving towards (i) identifying novel molecular markers; (ii) testing old and new markers in homogeneous patients' populations receiving homogeneous treatments; (iii) generating a multimarker panel that could be easily, and thus routinely, used in clinical practice; (iv) developing novel risk assessment tools, possibly combining standard clinical-pathological factors with molecular markers. This review analyses the emerging body of literature concerning novel biomarkers, ranging from genetic changes to altered expression of a huge variety of molecules, potentially involved in BC outcome and response to treatment. Findings suggest that some of these indicators, such as serum circulating tumor cells and tissue mitochondrial DNA, seem to be easily assessable and provide reliable information. Other markers, such as the phosphoinositide-3-kinase (PI3K)/AKT (serine-threonine kinase)/mTOR (mammalian target of rapamycin) pathway and epigenetic changes in DNA methylation seem to not only have prognostic/predictive value but also, most importantly, represent valuable therapeutic targets. Finally, there is increasing evidence that the development of novel risk assessment tools combining standard clinical-pathological factors with molecular markers represents a major quest in managing this poorly predictable disease.
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26
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Lin YL, Gui SL, Ma JG. Aberrant methylation of CDH11 predicts a poor outcome for patients with bladder cancer. Oncol Lett 2015; 10:647-652. [PMID: 26622548 DOI: 10.3892/ol.2015.3337] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 04/14/2015] [Indexed: 01/15/2023] Open
Abstract
DNA methylation is one of the major mechanisms via which tumor suppressor gene inactivation occurs. For example, hypermethylation of the promoter region of cadherin 11 (CDH11), a novel tumor suppressor gene, frequently occurs in human cancer. In the current study, the methylation status of CDH11 was investigated in bladder cancer tissue samples, and the correlation with clinicopathological features and patient outcome was assessed. The methylation status of CDH11 was detected in 146 bladder cancer tissues and 37 normal bladder epithelial tissues using methylation-specific polymerase chain reaction (PCR). In addition, CDH11 mRNA expression levels were examined by quantitative PCR. Subsequently, associations between CDH11 methylation and specific clinicopathological characteristics, as well as patient outcome, were analyzed. Aberrant CDH11 promoter hypermethylation was detected in 63.0% (92/146) of bladder cancer tissues, however, no CDH11 methylation was identified in the control samples; this difference was significant (P<0.05). Furthermore, CDH11 mRNA expression levels were significantly lower in the tumor samples with methylated CDH11 compared with the normal bladder epithelium and tumor samples with unmethylated CDH11 (P<0.05). When the methylation status of CDH11 was correlated with the clinicopathological features, it was identified that CDH11 methylation was significantly associated with poor differentiation (P=0.0440), an advanced disease stage (P=0.0350), a larger tumor size (P=0.0013) and multiple tumors (P=0.0390). In addition, patients with methylated CDH11 exhibited significantly poorer outcomes than patients with unmethylated CDH11 (P=0.0004). Furthermore, multivariate Cox proportional hazard analysis indicated that CDH11 methylation was independently associated with a poor outcome in the patients with bladder cancer, with a relative risk of mortality of 6.852 (P=0.0082; 95% confidence interval, 3.461-16.177). The current findings indicate that aberrant CDH11 methylation frequently occurs in bladder cancer, and correlates with malignant behavior and poor outcome. Thus, CDH11 methylation status may be used as an independent prognostic biomarker for patients with bladder cancer.
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Affiliation(s)
- Ying-Li Lin
- Department of Urology, Affiliated Xuzhou Hospital of Jiangsu University, Xuzhou Cancer Hospital, Xuzhou, Jiangsu 221000, P.R. China
| | - Shi-Liang Gui
- Department of Urology, First Hospital of Jiamusi University, Jiamusi, Heilongjiang 154000, P.R. China
| | - Jian-Guo Ma
- Department of Urology, Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
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27
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Woranisarakul V, Ramart P, Phinthusophon K, Chotikawanich E, Prapasrivorakul S, Lohsiriwat V. Accuracy of preoperative urinary symptoms, urinalysis, computed tomography and cystoscopic findings for the diagnosis of urinary bladder invasion in patients with colorectal cancer. Asian Pac J Cancer Prev 2015; 15:7241-4. [PMID: 25227821 DOI: 10.7314/apjcp.2014.15.17.7241] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND To determine the accuracy of preoperative urinary symptoms, urinalysis, computed tomography (CT) and cystoscopic findings for the diagnosis of urinary bladder invasion in patients with colorectal cancer. MATERIALS AND METHODS Records of patients with colorectal cancer and a suspicion of bladder invasion, who underwent tumor resection with partial or total cystectomy between 2002 and 2013 at the Faculty of Medicine Siriraj Hospital, were reviewed. Correlations between preoperative urinary symptoms, urinalysis, cystoscopic finding, CT imaging and final pathological reports were analyzed. RESULTS This study included 90 eligible cases (71% male). The most common site of primary colorectal cancer was the sigmoid colon (44%), followed by the rectum (33%). Final pathological reports showed definite bladder invasion in 53 cases (59%). Significant features for predicting definite tumor invasion were gross hematuria (OR 13.6, sensitivity 39%, specificity 73%), and visible tumor during cystoscopy (OR 5.33, sensitivity 50%, specificity 84%). Predictive signs in CT imaging were gross tumor invasion (OR 7.07, sensitivity 89%, specificity 46%), abnormal enhancing mass at bladder wall (OR 4.09, sensitivity 68%, specificity 66%), irregular bladder mucosa (OR 3.53, sensitivity 70%, specificity 60% ), and loss of perivesical fat plane (OR 3.17, sensitivity 81%, specificity 43%). However, urinary analysis and other urinary tract symptoms were poor predictors of bladder involvement. CONCLUSIONS The present study demonstrated that the most relevant preoperative predictors of definite bladder invasion in patients with colorectal cancer are gross hematuria, a visible tumor during cystoscopy, and abnormal CT findings.
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Affiliation(s)
- Varat Woranisarakul
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand E-mail :
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28
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Taubert H, Wach S, Jung R, Pugia M, Keck B, Bertz S, Nolte E, Stoehr R, Lehmann J, Ohlmann CH, Stöckle M, Wullich B, Hartmann A. Piwil 2 expression is correlated with disease-specific and progression-free survival of chemotherapy-treated bladder cancer patients. Mol Med 2015; 21:371-80. [PMID: 25998509 DOI: 10.2119/molmed.2014.00250] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Accepted: 05/13/2015] [Indexed: 12/21/2022] Open
Abstract
Piwi-like 2 (Piwil 2) belongs to the family of Argonaute genes/proteins. The expression of Piwil 2 is associated with stem cells. A role in tumorigenesis and/or tumor progression is proposed for different cancers but not yet for bladder cancer (BCa). We investigated the Piwil 2 expression by immunohistochemistry in a cohort of 202 BCa patients treated by cystectomy and adjuvant chemotherapy. The association between Piwil 2 expression and disease-specific (DSS) or progression-free survival (PFS) was calculated using Kaplan Meier analyses and univariate/multivariate Cox's regression hazard models.In a multivariate Cox's regression, Piwil 2 expression, either in the cytoplasm or the nucleus, was significantly associated with DSS and PFS. A weak cytoplasmic staining pattern was associated with poor DSS and tumor progression (RR=2.7; P=0.004 and RR=2.4; P=0.027). Likewise,, absent nuclear Piwil 2 immunoreactivity was associated with poor DSS and tumor progression (RR=2.3; P=0.023 and RR=2.2; P=0.022). BCa patients whose tumors exhibited a combination of weak cytoplasmic and absent nuclear immunoreactivity had a 6-fold increased risk of tumor-related death (P=0.005) compared to patients with strong expression. Considering only patients with high grade G3 tumors, a 7.8-fold risk of tumor-associated death and a 3.6-fold risk of tumor progression were detected independently of the histologic tumor subtype or the chemotherapy regimen. In summary, a combination of weak cytoplasmic and absent nuclear expression of Piwil 2 is significantly associated with an increased risk of DSS and tumor progression. This implicates that Piwil 2 could be a valuable prognostic marker for high-risk BCa patients.
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Affiliation(s)
- Helge Taubert
- Department of Urology, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Sven Wach
- Department of Urology, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Rudolf Jung
- Department of Pathology, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Michael Pugia
- Siemens Healthcare Diagnostics, Elkhart, Indiana, USA
| | - Bastian Keck
- Department of Urology, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Simone Bertz
- Department of Pathology, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Elke Nolte
- Department of Urology, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Robert Stoehr
- Department of Pathology, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Jan Lehmann
- Urologische Gemeinschaftspraxis, Prüner Gang and Department of Urology, Städtisches Krankenhaus, Kiel, Germany
| | | | - Michael Stöckle
- Department of Urology, Saarland University, Homburg, Germany
| | - Bernd Wullich
- Department of Urology, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Arndt Hartmann
- Department of Pathology, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
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Halder S, Dey RK, Chowdhury AR, Bhattacharyya P, Chakrabarti A. Differential regulation of urine proteins in urothelial neoplasm. J Proteomics 2015; 127:185-92. [PMID: 25943868 DOI: 10.1016/j.jprot.2015.04.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2015] [Revised: 04/13/2015] [Accepted: 04/21/2015] [Indexed: 01/21/2023]
Abstract
UNLABELLED Urothelial neoplasm of the urinary bladder has a high rate of multifocality and recurrence. To understand this we first need to understand the changes in the molecular level that distinguishes a normal individual from a patient and also a low grade neoplasm from a high grade. In this work we aim to study the urine proteome of Indian patients with urothelial neoplasm categorised on the basis of their p53 immunohistochemistry. The urine samples of pre-operative patients were subjected to two dimensional gel electrophoresis followed by densitometric analysis and spot identification using MALDI mass spectrometry. Our study shows that few proteins such as albumin, alpha 1 antitrypsin, apolipoprotein A1, transferrin, transthyretin, haptoglobin and haemoglobin β chain were upregulated and inter alpha trypsin inhibitor heavy chain was downregulated in the disease samples. Further we have reported that some of these proteins show an association with disease severity. The present study marks the first step in the identification of new diagnostic markers as well as therapeutic targets. BIOLOGICAL SIGNIFICANCE Bladder carcinoma is the ninth most common cancer worldwide. It has gained attention within both clinicians and cancer biologists because of its recurrence and mortality rate. Identifying the prognostic factors of progression is a challenge, so that high risk patients who may be a candidate for a radical cystectomy may be identified. In this study we have attempted to study the changes observed in the urinary protein levels of urothelial neoplasm patients. The samples were graded based on p53 immunohistochemistry staining. We have reported eight (8) proteins, mostly highly abundant; those have exhibited differential regulation in case of diseased samples. This study is first of its kind that associates the changes in the urinary protein levels to that of the severity of the disease. We believe that the findings can be used as a stepping stone in the development of a noninvasive prognostic tool for the disease. This article is part of a Special Issue entitled: Proteomics in India.
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Affiliation(s)
- Suchismita Halder
- Biophysics and Structural Genomics Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata 700064, West Bengal, India
| | - Ranjan Kumar Dey
- Department of Urosurgery, R. G. Kar Medical College and Hospital, 1, Khudiram Bose Sarani, Kolkata 700004, West Bengal, India
| | - Anadi Roy Chowdhury
- Department of Pathology, R. G. Kar Medical College and Hospital, 1, Khudiram Bose Sarani, Kolkata 700004, West Bengal, India
| | - Palash Bhattacharyya
- Department of Pathology, R. G. Kar Medical College and Hospital, 1, Khudiram Bose Sarani, Kolkata 700004, West Bengal, India
| | - Abhijit Chakrabarti
- Crystallography and Molecular Biology Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata 700064, West Bengal, India.
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Mehta N, Rathore RS, Pillai BS, Sam MP, Moorthy K. Intrinsic tumour factors affecting recurrence in non muscle invasive bladder cancer: a hospital based study from India. Asian Pac J Cancer Prev 2015; 16:2675-7. [PMID: 25854345 DOI: 10.7314/apjcp.2015.16.7.2675] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Depending on various pathological factors, non muscle invasive bladder cancer (NMIBC) shows varying degrees of recurrence. The aim of this study was to determine the incidence of recurrence of NMIBS in our centre, study the influence of intrinsic tumour characteristics like grade, stage, size and number, and compare our results with data in the published literature. MATERIALS AND METHODS A hospital based retrospective study was conducted on patients who underwent treatment for NMIBC from 2011 to 2014. The factors studied were number, size, grade, stage and site for correlation with recurrence. Statistical analysis was performed using Medcalc version 12, using Pearson's Chi square test to ascertain associations between variables. RESULTS A total of 73 patients with NMIBC were studied of which 48 (65.8%) had low grade and 25 (34.2%) had high grade tumours. Some 38 patients (52.1%) had Ta tumours, 34 (46.6%) had T1 and one had CIS. Mean follow up was 34.3 months. Recurrence rates were found to be 33.3% in low grade and 52.0% in high grade tumours. The overall recurrence rate in our centre was 39.7%. Significant correlations were seen between stage and recurrence, with a rate of 15% for Ta and 63.3% for T1 tumours. Fourteen out of 21 bladder cancers (66.6%) with multiple tumours demonstrated recurrence (p=0.006). Grade, size and site had no influence. CONCLUSIONS In our study, recurrence of NMIBC was found to be directly proportional to stage and number of primary tumours, but not grade, size and site. The incidence of recurrence of NMIBC both stage wise and grade wise in our centre was also low compared to the data in the published literature.
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Affiliation(s)
- Nisarg Mehta
- Department of Urology, Lourdes Hospital, Kochi, India E-mail :
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Tsumura H, Matsumoto K, Ikeda M, Yanagita K, Hirano S, Hagiwara M, Nagashio R, Fujita T, Sato Y, Iwamura M. High Expression Level of Preoperative Serum Uroplakin III is Associated with Biologically Aggressive Bladder Cancer. Asian Pac J Cancer Prev 2015; 16:1539-43. [DOI: 10.7314/apjcp.2015.16.4.1539] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Gaballah HH, Shafik NM, Wasfy RE, Abou Farha MO. Significance of suppressor of cytokine signaling-3 expression in bladder urothelial carcinoma in relation to proinflammatory cytokines and tumor histopathological grading. Asian Pac J Cancer Prev 2015; 16:307-14. [PMID: 25640370 DOI: 10.7314/apjcp.2015.16.1.307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Bladder cancer is among the five most common malignancies worldwide. Altered expression of suppressor of cytokine signaling -3 (SOCS-3) has been implicated in various types of human cancers; however, its role in bladder cancer is not well established. AIM The present study was undertaken to investigate the mRNA expression of SOCS-3 in normal and cancerous bladder tissue and to explore its correlation with urinary levels of some proinflammatory cytokines, cytokeratin-18 (CK -18) and with tumor histopathological grading, in order to evaluate their role as potential diagnostic markers. MATERIALS AND METHODS SOCS3 mRNA expression levels were evaluated using quantitative real time PCR. Urinary levels of interleukins 6 and 8 were estimated by enzyme linked immunosorbent assay (ELISA). Cytokeratin-18 expression was analyzed by immuunohistochemistry then validated by ELISA. RESULTS SOC3 m RNA expression levels were significantly lower in high grade urothelial carcinoma (0.36±0.12) compared to low grade carcinoma (1.22±0.38) and controls (4.08±0.88), (p<0.001). However, in high grade urothelial carcinoma the urinary levels of IL-6, IL-8, total CK-18(221.33±22.84 pg/ml, 325.2±53.6 pg/ ml, 466.7±57.40 U/L respectively) were significantly higher than their levels in low grade carcinoma (58.6±18.6 pg/ ml, 58.3±50.2 pg/ml, 185.5±60.3 U/L respectively) and controls (50.9±23.0 pg/ml, 7.12±2.74 pg/ml, 106.7±47.3U/L respectively), (p<0.001). CONCLUSIONS Advanced grade of urothelial bladder carcinoma is significantly associated with lowered mRNA expression of SOC3 as well as elevated urinary levels of proinflammatory cytokines and CK-18. Furthermore, our results suggested that urinary IL-8, IL-6 and CK-18 may benefit as noninvasive biomarkers for early detection as well as histopathological subtyping of urothelial carcinoma.
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Matsumoto K, Ikeda M, Matsumoto T, Nagashio R, Nishimori T, Tomonaga T, Nomura F, Sato Y, Kitasato H, Iwamura M. Serum Periplakin as a Potential Biomarker for Urothelial Carcinoma of the Urinary Bladder. Asian Pac J Cancer Prev 2014; 15:9927-31. [DOI: 10.7314/apjcp.2014.15.22.9927] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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