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Breder-Bonk C, Docter D, Barz M, Strieth S, Knauer SK, Gül D, Stauber RH. The Apoptosis Inhibitor Protein Survivin Is a Critical Cytoprotective Resistor against Silica-Based Nanotoxicity. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2546. [PMID: 37764575 PMCID: PMC10535920 DOI: 10.3390/nano13182546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/08/2023] [Accepted: 09/09/2023] [Indexed: 09/29/2023]
Abstract
Exposure to nanoparticles is inevitable as they become widely used in industry, cosmetics, and foods. However, knowledge of their (patho)physiological effects on biological entry routes of the human body and their underlying molecular mechanisms is still fragmented. Here, we examined the molecular effects of amorphous silica nanoparticles (aSiNPs) on cell lines mimicking the alveolar-capillary barrier of the lung. After state-of-the-art characterization of the used aSiNPs and the cell model, we performed cell viability-based assays and a protein analysis to determine the aSiNP-induced cell toxicity and underlying signaling mechanisms. We revealed that aSiNPs induce apoptosis in a dose-, time-, and size-dependent manner. aSiNP-induced toxicity involves the inhibition of pro-survival pathways, such as PI3K/AKT and ERK signaling, correlating with reduced expression of the anti-apoptotic protein Survivin on the protein and transcriptional levels. Furthermore, induced Survivin overexpression mediated resistance against aSiNP-toxicity. Thus, we present the first experimental evidence suggesting Survivin as a critical cytoprotective resistor against silica-based nanotoxicity, which may also play a role in responses to other NPs. Although Survivin's relevance as a biomarker for nanotoxicity needs to be demonstrated in vivo, our data give general impetus to investigate the pharmacological modulation of Survivin`s functions to attenuate the harmful effects of acute or chronic inhalative NP exposure.
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Affiliation(s)
- Christina Breder-Bonk
- Molecular and Cellular Oncology, University Medical Center Mainz, Langenbeckstrasse 1, 55101 Mainz, Germany; (D.D.); (R.H.S.)
| | - Dominic Docter
- Molecular and Cellular Oncology, University Medical Center Mainz, Langenbeckstrasse 1, 55101 Mainz, Germany; (D.D.); (R.H.S.)
| | - Matthias Barz
- Leiden Academic Center for Drug Research (LACDR), Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands;
- Department of Dermatology, University Medical Center of the Johannes Gutenberg University Mainz, Langenbeckstraße 1, 55131 Mainz, Germany
| | - Sebastian Strieth
- Department of Otorhinolaryngology, University Medical Center Bonn, Venusberg-Campus 1, 53127 Bonn, Germany;
| | - Shirley K. Knauer
- Center for Medical Biotechnology (ZMB), Department of Molecular Biology II, University of Duisburg-Essen, Universitätsstrasse 5, 45141 Essen, Germany;
| | - Désirée Gül
- Molecular and Cellular Oncology, University Medical Center Mainz, Langenbeckstrasse 1, 55101 Mainz, Germany; (D.D.); (R.H.S.)
| | - Roland H. Stauber
- Molecular and Cellular Oncology, University Medical Center Mainz, Langenbeckstrasse 1, 55101 Mainz, Germany; (D.D.); (R.H.S.)
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Lin X, Gu Y, Su Y, Dong Y, Major P, Kapoor A, Tang D. Prediction of Adrenocortical Carcinoma Relapse and Prognosis with a Set of Novel Multigene Panels. Cancers (Basel) 2022; 14:cancers14112805. [PMID: 35681785 PMCID: PMC9179637 DOI: 10.3390/cancers14112805] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 05/29/2022] [Accepted: 06/02/2022] [Indexed: 02/04/2023] Open
Abstract
Effective assessment of adrenocortical carcinoma (ACC) prognosis is critical in patient management. We report four novel and robust prognostic multigene panels. Sig27var25, SigIQvar8, SigCmbnvar5, and SigCmbn_B predict ACC relapse at area under the curve (AUC) of 0.89, 0.79, 0.78, and 0.80, respectively, and fatality at AUC of 0.91, 0.88, 0.85, and 0.87, respectively. Among their 33 component genes, 31 are novel. They could be differentially expressed in ACCs from normal tissues, tumors with different severity (stages and lymph node metastasis), ACCs with TP53 mutations, and tumors with differentially expressed immune checkpoints (CTLA4, PD1, TGFBR1, and others). All panels correlate with reductions of ACC-associated CD8+ and/or NK cells. Furthermore, we provide the first evidence for the association of mesenchymal stem cells (MSCs) with ACC relapse (p = 2 × 10−6) and prognosis (p = 2 × 10−8). Sig27var25, SigIQvar8, SigCmbnvar5, and SigCmbn_B correlate with MSC (spearman r ≥ 0.53, p ≤ 1.38 × 10−5). Sig27var25 and SigIQvar8 were derived from a prostate cancer (PC) and clear cell renal cell carcinoma (ccRCC) multigene signature, respectively; SigCmbnvar5 and SigCmbn_B are combinations of both panels, revealing close relationships of ACC with PC and ccRCC. The origin of these four panels from PC and ccRCC favors their prognostic potential towards ACC.
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Affiliation(s)
- Xiaozeng Lin
- Urological Cancer Center for Research and Innovation (UCCRI), St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada; (X.L.); (Y.G.); (Y.S.); (Y.D.)
- The Research Institute of St Joe’s Hamilton, St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada
- Department of Surgery, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Yan Gu
- Urological Cancer Center for Research and Innovation (UCCRI), St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada; (X.L.); (Y.G.); (Y.S.); (Y.D.)
- The Research Institute of St Joe’s Hamilton, St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada
- Department of Surgery, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Yingying Su
- Urological Cancer Center for Research and Innovation (UCCRI), St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada; (X.L.); (Y.G.); (Y.S.); (Y.D.)
- The Research Institute of St Joe’s Hamilton, St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada
- Department of Surgery, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Ying Dong
- Urological Cancer Center for Research and Innovation (UCCRI), St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada; (X.L.); (Y.G.); (Y.S.); (Y.D.)
- The Research Institute of St Joe’s Hamilton, St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada
- Department of Surgery, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Pierre Major
- Department of Oncology, McMaster University, Hamilton, ON L8V 5C2, Canada;
| | - Anil Kapoor
- Urological Cancer Center for Research and Innovation (UCCRI), St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada; (X.L.); (Y.G.); (Y.S.); (Y.D.)
- The Research Institute of St Joe’s Hamilton, St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada
- Department of Surgery, McMaster University, Hamilton, ON L8S 4K1, Canada
- Correspondence: (A.K.); (D.T.); Tel.: +1-905-522-1155 (ext. 35218) (A.K.); +1-905-522-1155 (ext. 35168) (D.T.)
| | - Damu Tang
- Urological Cancer Center for Research and Innovation (UCCRI), St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada; (X.L.); (Y.G.); (Y.S.); (Y.D.)
- The Research Institute of St Joe’s Hamilton, St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada
- Department of Surgery, McMaster University, Hamilton, ON L8S 4K1, Canada
- Correspondence: (A.K.); (D.T.); Tel.: +1-905-522-1155 (ext. 35218) (A.K.); +1-905-522-1155 (ext. 35168) (D.T.)
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Gu Y, Lin X, Kapoor A, Li T, Major P, Tang D. Effective Prediction of Prostate Cancer Recurrence through the IQGAP1 Network. Cancers (Basel) 2021; 13:430. [PMID: 33498739 PMCID: PMC7865788 DOI: 10.3390/cancers13030430] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/11/2021] [Accepted: 01/20/2021] [Indexed: 02/07/2023] Open
Abstract
IQGAP1 expression was analyzed in: (1) primary prostate cancer, (2) xenografts produced from LNCaP, DU145, and PC3 cells, 3) tumor of PTEN-/- and TRAMP mice, and (3) castration resistant PC (CRPC) produced by LNCaP xenografts and PTEN-/- mice. IQGAP1 downregulations occurred in CRPC and advanced PCs. The downregulations were associated with rapid PC recurrence in the TCGA PanCancer (n = 492, p = 0.01) and MSKCC (n = 140, p = 4 × 10-6) cohorts. Differentially expressed genes (n = 598) relative to IQGAP1 downregulation were identified with enrichment in chemotaxis, cytokine signaling, and others along with reductions in immune responses. A novel 27-gene signature (Sig27gene) was constructed from these DEGs through random division of the TCGA cohort into a Training and Testing population. The panel was validated using an independent MSKCC cohort. Sig27gene robustly predicts PC recurrence at (hazard ratio) HR 2.72 and p < 2 × 10-16 in two independent PC cohorts. The prediction remains significant after adjusting for multiple clinical features. The novel and robust nature of Sig27gene underlie its great translational potential as a prognostic biomarker to predict PC relapse risk in patients with primary PC.
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Affiliation(s)
- Yan Gu
- Department of Medicine, McMaster University, Hamilton, ON L8S 4L8, Canada; (Y.G.); (X.L.)
- Urological Cancer Center for Research and Innovation (UCCRI), St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada;
- The Research Institute of St Joe’s Hamilton, St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada
| | - Xiaozeng Lin
- Department of Medicine, McMaster University, Hamilton, ON L8S 4L8, Canada; (Y.G.); (X.L.)
- Urological Cancer Center for Research and Innovation (UCCRI), St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada;
- The Research Institute of St Joe’s Hamilton, St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada
| | - Anil Kapoor
- Urological Cancer Center for Research and Innovation (UCCRI), St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada;
- The Research Institute of St Joe’s Hamilton, St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada
- Department of Surgery, McMaster University, Hamilton, ON L8S 4L8, Canada
| | - Taosha Li
- Life-Tech Industry Alliance, Shenzhen 518000, China;
| | - Pierre Major
- Department of Oncology, McMaster University, Hamilton, ON L8S 4L8, Canada;
| | - Damu Tang
- Department of Medicine, McMaster University, Hamilton, ON L8S 4L8, Canada; (Y.G.); (X.L.)
- Urological Cancer Center for Research and Innovation (UCCRI), St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada;
- The Research Institute of St Joe’s Hamilton, St Joseph’s Hospital, Hamilton, ON L8N 4A6, Canada
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Barrera-Vázquez OS, Cancio-Lonches C, Hernández-González O, Chávez-Munguia B, Villegas-Sepúlveda N, Gutiérrez-Escolano AL. The feline calicivirus leader of the capsid protein causes survivin and XIAP downregulation and apoptosis. Virology 2018; 527:146-158. [PMID: 30529563 DOI: 10.1016/j.virol.2018.11.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 11/27/2018] [Accepted: 11/27/2018] [Indexed: 01/29/2023]
Abstract
Calicivirus infection causes intrinsic apoptosis, leading to viral propagation in the host. During murine norovirus infection, a reduction in the anti-apoptotic protein survivin has been documented. Here we report that in feline calicivirus infection, a downregulation of the anti-apoptotic proteins survivin and XIAP occur, which correlates with the translocation of the pro-apoptotic protein Smac/DIABLO from the mitochondria to the cytoplasm and the activation of caspase-3. Inhibition of survivin degradation by lactacystin treatment caused a delay in apoptosis progression, reducing virus release, without affecting virus production. However, the overexpression of survivin caused a negative effect in viral progeny production. Overexpression of the leader of the capsid protein (LC), but not of the protease-polymerase NS6/7, results in the downregulation of survivin and XIAP, caspase activation and mitochondrial damage. These results indicate that LC is responsible for the induction of apoptosis in transfected cells and most probably in FCV infection.
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Affiliation(s)
- Oscar Salvador Barrera-Vázquez
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del IPN, Av. IPN 2508. Col. San Pedro Zacatenco, México, D.F CP 07360, Mexico
| | - Clotilde Cancio-Lonches
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del IPN, Av. IPN 2508. Col. San Pedro Zacatenco, México, D.F CP 07360, Mexico
| | - Olivia Hernández-González
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del IPN, Av. IPN 2508. Col. San Pedro Zacatenco, México, D.F CP 07360, Mexico
| | - Bibiana Chávez-Munguia
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del IPN, Av. IPN 2508. Col. San Pedro Zacatenco, México, D.F CP 07360, Mexico
| | - Nicolás Villegas-Sepúlveda
- Departamento de Biomedicina Molecular, Centro de Investigación y de Estudios Avanzados del IPN, México City, Mexico
| | - Ana Lorena Gutiérrez-Escolano
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del IPN, Av. IPN 2508. Col. San Pedro Zacatenco, México, D.F CP 07360, Mexico..
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Oleanolic acid methyl ester, a novel cytotoxic mitocan, induces cell cycle arrest and ROS-Mediated cell death in castration-resistant prostate cancer PC-3 cells. Biomed Pharmacother 2017; 96:417-425. [DOI: 10.1016/j.biopha.2017.10.027] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 10/03/2017] [Accepted: 10/03/2017] [Indexed: 12/13/2022] Open
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Low vitamin D status is associated with inflammation in patients with prostate cancer. Oncotarget 2017; 8:22076-22085. [PMID: 28423553 PMCID: PMC5400647 DOI: 10.18632/oncotarget.16195] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 01/22/2017] [Indexed: 12/12/2022] Open
Abstract
Vitamin D deficiency has been associated with increased risks of prostate cancer. Nevertheless, the mechanisms remain unclear. The aim of this study was to analyze the association among prostate cancer, vitamin D status and inflammation. Sixty patients with newly diagnosed prostate cancer and 120 age-matched controls were recruited for this study. Vitamin D status was evaluated and serum inflammatory molecules were measured. Serum 25-(OH)D was lower in patients with prostate cancer. Moreover, serum 25(OH)D was lower in patients with severe prostate cancer than patients with mild and moderate prostate cancer. By contrast, serum C-reactive protein (CRP) and interleukin (IL)-8, two inflammatory molecules, were elevated in patients with prostate cancer. Serum 25-(OH)D was negatively correlated with serum CRP and IL-8 in patients with prostate cancer. Additional analysis showed that the percentage of vitamin D receptor positive nucleus in the prostate was reduced in patients with prostate cancer. By contrast, the percentage of nuclear factor kappa B p65-positive nucleus was elevated in patients with prostate cancer. Our results provide evidence that there is an association among prostate cancer, vitamin D deficiency and inflammatory signaling. Inflammation may be an important mediator for prostate cancer progression in patients with low vitamin D status.
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Bae YJ, Yoon YI, Yoon TJ, Lee HJ. Ultrasound-Guided Delivery of siRNA and a Chemotherapeutic Drug by Using Microbubble Complexes: In Vitro and In Vivo Evaluations in a Prostate Cancer Model. Korean J Radiol 2016; 17:497-508. [PMID: 27390541 PMCID: PMC4936172 DOI: 10.3348/kjr.2016.17.4.497] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Accepted: 04/14/2016] [Indexed: 11/15/2022] Open
Abstract
Objective To evaluate the effectiveness of ultrasound and microbubble-liposome complex (MLC)-mediated delivery of siRNA and doxorubicin into prostate cancer cells and its therapeutic capabilities both in vitro and in vivo. Materials and Methods Microbubble-liposome complexes conjugated with anti-human epidermal growth factor receptor type 2 (Her2) antibodies were developed to target human prostate cancer cell lines PC-3 and LNCaP. Intracellular delivery of MLC was observed by confocal microscopy. We loaded MLC with survivin-targeted small interfering RNA (siRNA) and doxorubicin, and delivered it into prostate cancer cells. The release of these agents was facilitated by ultrasound application. Cell viability was analyzed by MTT assay after the delivery of siRNA and doxorubicin. Survivin-targeted siRNA loaded MLC was delivered into the xenograft mouse tumor model. Western blotting was performed to quantify the expression of survivin in vivo. Results Confocal microscopy demonstrated substantial intracellular uptake of MLCs in LNCaP, which expresses higher levels of Her2 than PC-3. The viability of LNCaP cells was significantly reduced after the delivery of MLCs loaded with siRNA and doxorubicin (85.0 ± 2.9%), which was further potentiated by application of ultrasound (55.0 ± 3.5%, p = 0.009). Survivin expression was suppressed in vivo in LNCaP tumor xenograft model following the ultrasound and MLC-guided delivery of siRNA (77.4 ± 4.90% to 36.7 ± 1.34%, p = 0.027). Conclusion Microbubble-liposome complex can effectively target prostate cancer cells, enabling intracellular delivery of the treatment agents with the use of ultrasound. Ultrasound and MLC-mediated delivery of survivin-targeted siRNA and doxorubicin can induce prostate cell apoptosis and block survivin expression in vitro and in vivo.
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Affiliation(s)
- Yun Jung Bae
- Department of Radiology, Seoul National University Bundang Hospital, Seongnam 13620, Korea.; Department of Radiology, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Young Il Yoon
- Department of Radiology, Seoul National University Bundang Hospital, Seongnam 13620, Korea.; Department of Radiology, Seoul National University College of Medicine, Seoul 03080, Korea.; Program in Nano Science and Technology, Department of Transdisciplinary Studies, Seoul National University Graduate School of Convergence Science and Technology, Suwon 16229, Korea
| | - Tae-Jong Yoon
- Department of Applied Bioscience, College of Life Science, CHA University, Pocheon 11160, Korea.; College of Pharmacy, Ajou University, Suwon 16499, Korea
| | - Hak Jong Lee
- Department of Radiology, Seoul National University Bundang Hospital, Seongnam 13620, Korea.; Department of Radiology, Seoul National University College of Medicine, Seoul 03080, Korea.; Program in Nano Science and Technology, Department of Transdisciplinary Studies, Seoul National University Graduate School of Convergence Science and Technology, Suwon 16229, Korea
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Liu Y, Miao C, Wang Z, He X, Shen W. Survivin small interfering RNA suppresses glioblastoma growth by inducing cellular apoptosis. Neural Regen Res 2015; 7:924-31. [PMID: 25722677 PMCID: PMC4341288 DOI: 10.3969/j.issn.1673-5374.2012.12.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2011] [Accepted: 03/20/2012] [Indexed: 01/14/2023] Open
Abstract
A survivin small interfering RNA sequence specific for a human and mouse homogenous sequence was constructed. Survivin small interfering RNA could significantly inhibit glioma cell proliferation and induce apoptosis when it was transfected into either a human glioma cell line U251 or rat glioma C6 cells in vitro. In addition, treatment of rat orthotopic glioma models with survivin small interfering demonstrated the inhibition of glioma growth in vivo. Our experimental findings suggest that the use of RNA interference techniques to target the survivin sequence may be useful in the treatment of glioma.
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Affiliation(s)
- Yanbo Liu
- Beihua University Faculty of Medicine, Jilin 132013, Jilin Province, China
| | - Chunming Miao
- Beihua University Faculty of Medicine, Jilin 132013, Jilin Province, China
| | - Zhenjiang Wang
- Beihua University Faculty of Medicine, Jilin 132013, Jilin Province, China
| | - Xin He
- Beihua University Faculty of Medicine, Jilin 132013, Jilin Province, China
| | - Weigao Shen
- Beihua University Faculty of Medicine, Jilin 132013, Jilin Province, China
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Mormile R, Fanos V, Vittori G. Preterm infants, kidney, rickets and vitamin D intake: is it time for rewriting the history? Arch Gynecol Obstet 2014; 290:1055-7. [PMID: 25151029 DOI: 10.1007/s00404-014-3425-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2014] [Accepted: 08/11/2014] [Indexed: 10/24/2022]
Affiliation(s)
- Raffaella Mormile
- Division of Pediatrics and Neonatology, Moscati Hospital, Via A. Gramsci, 3, 81031, Aversa, Italy,
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Koike H, Nitta T, Sekine Y, Arai S, Furuya Y, Nomura M, Matsui H, Shibata Y, Ito K, Oyama T, Suzuki K. YM155 reverses rapamycin resistance in renal cancer by decreasing survivin. J Cancer Res Clin Oncol 2014; 140:1705-13. [PMID: 24916171 DOI: 10.1007/s00432-014-1734-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2014] [Accepted: 06/02/2014] [Indexed: 01/01/2023]
Abstract
PURPOSE Mammalian target of rapamycin inhibitor has exhibited promising anticancer activity for the treatment of renal cell carcinoma (RCC). However, many patients acquire resistance to therapeutic agents leading to treatment failure. The objective of this study was to determine whether treatment with YM155, a novel small molecule inhibitor of survivin, could reverse rapamycin resistance in a rapamycin-resistant RCC. METHODS We induced a rapamycin-resistant clear cell carcinoma cell line (Caki-1-RapR). We showed that survivin gene expression was significantly up-regulated in Caki-1-RapR compared with that in its parent cells (Caki-1). Therefore, we hypothesized that targeting of survivin in Caki-1-RapR could reverse the resistant phenotype in tumor cells, thereby enhancing the therapeutic efficacy of rapamycin. We used both in vitro and in vivo models to test the efficacy of YM155 either as a single agent or in combination with rapamycin. RESULTS In Caki-1-RapR cells, YM155 significantly decreased survivin gene and protein expression levels and cell proliferation in a dose-dependent manner in vitro. In addition, YM155 treatment significantly reversed rapamycin resistance in cancer cells. In a nude mouse tumor xenograft model, YM155 significantly inhibited the growth of Caki-1-RapR tumor. In addition, YM155 significantly enhanced the antitumor effects of rapamycin in Caki-1-RapR tumor. CONCLUSIONS Our results suggest a potentially novel strategy to use YM155 to overcome the resistance in tumor cells, thereby enhancing the effectiveness of molecular target therapy in RCC.
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Affiliation(s)
- Hidekazu Koike
- Department of Urology, Gunma University Graduate School of Medicine, 3-39-22 Showa-Machi, Maebashi, 371-8511, Japan,
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Chen J, Cui X, Zhou H, Qin C, Cao Q, Ju X, Li P, Cai H, Zhu J, Meng X, Wang M, Zhang Z, Shao P, Li J, Yin C. Functional promoter -31G/C variant of Survivin gene predict prostate cancer susceptibility among Chinese: a case control study. BMC Cancer 2013; 13:356. [PMID: 23883402 PMCID: PMC3765859 DOI: 10.1186/1471-2407-13-356] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Accepted: 06/24/2013] [Indexed: 11/17/2022] Open
Abstract
Background Abnormal expression of Baculoviral inhibitor of apoptosis repeat-containing 5 (BIRC5, also called as survivin), a novel member of the inhibitor of apoptosis protein (IAP) family, has implications in many types of cancer and is considered as a new therapeutic target. We suppose that genetic variant rs9904341 in the 5′ UTR region of survivin gene may be associated with the development and progression of prostate cancer (PCa) in Chinese population. Methods TaqMan assay method was used to genotype the polymorphism in the hospital-based case–control analysis of 665 patients with PCa and 710 age-matched cancer-free controls. The genetic associations with the occurrence and progression of PCa were calculated by logistic regression. Results Our results indicated that compared with GG genotypes, there was a statistically significant increased risk of PCa associated with those with CC genotypes [odds ratios (ORs) = 1.57, 95%confidence intervals (CIs) = 1.17-2.13, P = 0.004]. Moreover, stratification analysis revealed that the association was more pronounced in subgroups of nondrinkers, nonsmokers and those without a family history of cancer (all P < 0.05). In addition, we observed that PSA ≥ 20 was more frequent in patients carrying GC/CC genotypes than in those with a wild type genotype. Conclusion The functional survivin rs9904341 genetic variant may have a substantial influence on the PCa susceptibility and evolution.
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Affiliation(s)
- Jiawei Chen
- State Key Laboratory of Reproductive Medicine, Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 300 Guangzhou Road, Nanjing 210029, China.
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12
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Atala A. Re: Anisamide-Targeted Cyclodextrin Nanoparticles for siRNA Delivery to Prostate Tumours in Mice. J Urol 2013. [DOI: 10.1016/j.juro.2013.03.098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Leyssens C, Verlinden L, Verstuyf A. Antineoplastic effects of 1,25(OH)2D3 and its analogs in breast, prostate and colorectal cancer. Endocr Relat Cancer 2013; 20:R31-47. [PMID: 23319494 DOI: 10.1530/erc-12-0381] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The active form of vitamin D3, 1,25-dihydroxyvitamin D3 (1,25(OH)2D3), is mostly known for its importance in the maintenance of calcium and phosphate homeostasis. However, next to its classical effects on bone, kidney and intestine, 1,25(OH)2D3 also exerts antineoplastic effects on various types of cancer. The use of 1,25(OH)2D3 itself as treatment against neoplasia is hampered by its calcemic side effects. Therefore, 1,25(OH)2D3-derived analogs were developed that are characterized by lower calcemic side effects and stronger antineoplastic effects. This review mainly focuses on the role of 1,25(OH)2D3 in breast, prostate and colorectal cancer (CRC) and the underlying signaling pathways. 1,25(OH)2D3 and its analogs inhibit proliferation, angiogenesis, migration/invasion and induce differentiation and apoptosis in malignant cell lines. Moreover, prostaglandin synthesis and Wnt/b-catenin signaling are also influenced by 1,25(OH)2D3 and its analogs. Human studies indicate an inverse association between serum 25(OH)D3 values and the incidence of certain cancer types. Given the literature, it appears that the epidemiological link between vitamin D3 and cancer is the strongest for CRC, however more intervention studies and randomized placebo-controlled trials are needed to unravel the beneficial dose of 1,25(OH)2D3 and its analogs to induce antineoplastic effects.
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Affiliation(s)
- Carlien Leyssens
- Clinical and Experimental Endocrinology, KU Leuven, Herestraat 49, bus 902, 3000 Leuven, Belgium
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14
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Arai S, Shibata Y, Nakamura Y, Kashiwagi B, Uei T, Tomaru Y, Miyashiro Y, Honma S, Hashimoto K, Sekine Y, Ito K, Sasano H, Suzuki K. Development of prostate cancer in a patient with primary hypogonadism: intratumoural steroidogenesis in prostate cancer tissues. Andrology 2012; 1:169-74. [PMID: 23258647 DOI: 10.1111/j.2047-2927.2012.00026.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2012] [Revised: 09/10/2012] [Accepted: 09/10/2012] [Indexed: 11/29/2022]
Abstract
Intratumoural steroidogenesis may play a significant role in the progression of prostate cancer (PC) in the context of long-term ablation of circulating testosterone (T). To clarify the mechanism accounting for the progression of PC in a 74-year-old man who had undergone bilateral orchiectomy when he was 5 years old, we performed immunohistochemical studies of androgen receptor (AR) and steroidogenic enzymes in the prostate. We also measured steroid hormone levels in the serum and prostate, as well as mRNA levels of genes mediating androgen metabolism in the prostate. Positive nuclear staining of AR was detected in malignant epithelial cells. The levels of androstenedione (Adione), T, and 5-alpha dihydrotestosterone (DHT) in the serum of the patient were similar to those in PC patients receiving neoadjuvant androgen deprivation therapy (ADT), but were higher in the patient's prostate than in PC patients not receiving ADT. The gene expression of CYP17A1 and HSD3B1 was not detected, whereas that of STS, HSD3B2, AKR1C3, SRD5A1, and SRD5A2 was detected. Moreover, cytoplasmic staining of HSD3B2, AKR1C3, SRD5A1, and SRD5A2 was detected in malignant epithelial cells. Hence, in the present case (a man with primary hypogonadism), steroidogenesis in PC tissues from adrenal androgens, especially dehydroepiandrosterone sulphate, was the mechanism accounting for progression of PC. This mechanism might help elucidate the development of castration-resistant PC.
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Affiliation(s)
- S Arai
- Department of Urology, Gunma University Graduate School of Medicine, Maebashi, Japan.
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15
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Fukuma Y, Matsui H, Koike H, Sekine Y, Shechter I, Ohtake N, Nakata S, Ito K, Suzuki K. Role of squalene synthase in prostate cancer risk and the biological aggressiveness of human prostate cancer. Prostate Cancer Prostatic Dis 2012; 15:339-45. [PMID: 22546838 DOI: 10.1038/pcan.2012.14] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND We previously conducted a genome-wide linkage analysis of Japanese nuclear families affected with prostate cancer and showed that the susceptibility to prostate cancer was closely linked to D8S550 at 8p23. The role of farnesyl diphosphate farnesyltransferase (FDFT1), which is located under the peak marker D8S550 at 8p23, and squalene synthase, the enzyme encoded by FDFT1, in prostate cancer was studied. METHODS The association among common variants of FDFT1 with prostate cancer risk, the promoter activities of FDFT1 with different genotypes and the effects of inhibition of squalene synthase were studied, and the FDFT1 transcript levels of human prostate samples were quantified. RESULTS The A allele of rs2645429 was significantly associated with prostate cancer risk in a Japanese familial prostate cancer population. Rs2645429 was located in the promoter region of FDFT1, and the AA genotype showed significantly increased promoter activity. The knockdown of FDFT1 mRNA expression or squalene synthase inhibition led to a significant decrease in prostate cancer cell proliferation. Additionally, human prostate cancer specimens expressed significantly higher levels of FDFT1 mRNA compared with noncancerous specimens. Finally, aggressive cancers showed higher transcript levels. CONCLUSIONS FDFT1 and its encoded enzyme, squalene synthase, may play an important role in prostate cancer development and its aggressive phenotypes.
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Affiliation(s)
- Y Fukuma
- Department of Urology, Gunma University Graduate School of Medicine, Maebashi, Japan
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16
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Morikawa Y, Koike H, Sekine Y, Matsui H, Shibata Y, Ito K, Suzuki K. Rapamycin enhances docetaxel-induced cytotoxicity in a androgen-independent prostate cancer xenograft model by survivin downregulation. Biochem Biophys Res Commun 2012; 419:584-9. [DOI: 10.1016/j.bbrc.2012.02.089] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2012] [Accepted: 02/15/2012] [Indexed: 10/28/2022]
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17
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Green WJF, James PA, Ratan HL. Potential use of RNA interference as therapeutic strategy in urologic cancer. Urology 2011; 78:500-4. [PMID: 21741681 DOI: 10.1016/j.urology.2011.04.036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2011] [Revised: 03/20/2011] [Accepted: 04/16/2011] [Indexed: 11/28/2022]
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