1
|
Hwang C, Kang YK, Kim JY, Shin SH, Park JY, Song JS, Kim SY, Jung SJ, Lee JH, Na JY, Shin DH, Kim JY, Park SW, Lee HJ. TFE3/PI3K/Akt/mTOR Axis in Renal Cell Carcinoma Affects Tumor Microenvironment. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:1306-1316. [PMID: 38588851 DOI: 10.1016/j.ajpath.2024.02.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 02/12/2024] [Accepted: 02/21/2024] [Indexed: 04/10/2024]
Abstract
The role of the phosphatidylinositol 3-kinase (PI3K)/Akt pathway in renal cell carcinoma (RCC) progression, metastasis, and resistance to therapies has not been investigated thoroughly. Transcription factor E3 (TFE3) expression is related to a poorer prognosis and tumor microenvironment in patients with RCC. This study aimed to determine the relationship between TFE3 and the PI3K/Akt pathway. TFE3 down-regulation was achieved by transient transfection of siRNA and shRNA in UOK146 cells. TFE3 overexpression was induced by transient transfection with pcDNA3.1 encoding the constitutively active form of TFE3. The cells were treated with mammalian target of rapamycin (mTOR) and PI3K inhibitors. Western blot was performed to detect TFE3, programmed death-ligand 1, phospho-Akt, and Akt. Phospho-Akt expression increased significantly upon TFE3 down-regulation, and decreased significantly upon up-regulation. When RCC cells were treated with a PI3K inhibitor (LY294002), TFE3 expression increased and phospho-Akt expression decreased. Data from this study indicate that TFE3 plays a role in the PI3K/Akt pathway in RCC. The results of this study suggest that PI3K/Akt inhibitors may aid in the treatment of patients with RCC by affecting the tumor microenvironment.
Collapse
Affiliation(s)
- Chungsu Hwang
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Yun Kyung Kang
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Ji Yun Kim
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - So Hyun Shin
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Joon Young Park
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Ji Sun Song
- Department of Pathology, School of Medicine, Pusan National University, Yangsan, Korea
| | - So Young Kim
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Se Jin Jung
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Jung Hee Lee
- Department of Pathology, School of Medicine, Pusan National University, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Ju-Young Na
- Department of Pathology, School of Medicine, Pusan National University, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Dong Hoon Shin
- Department of Pathology, School of Medicine, Pusan National University, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Jee Yeon Kim
- Department of Pathology, School of Medicine, Pusan National University, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Sung Woo Park
- Department of Urology, School of Medicine, Pusan National University, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Hyun Jung Lee
- Department of Pathology, School of Medicine, Pusan National University, Pusan National University Yangsan Hospital, Yangsan, Korea; Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea.
| |
Collapse
|
2
|
Iranpanah A, Majnooni MB, Biganeh H, Amirian R, Rastegari-Pouyani M, Filosa R, Cheang WS, Fakhri S, Khan H. Exploiting new strategies in combating head and neck carcinoma: A comprehensive review on phytochemical approaches passing through PI3K/Akt/mTOR signaling pathway. Phytother Res 2024; 38:3736-3762. [PMID: 38776136 DOI: 10.1002/ptr.8228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 04/02/2024] [Accepted: 04/20/2024] [Indexed: 07/12/2024]
Abstract
Recently, malignant neoplasms have growingly caused human morbidity and mortality. Head and neck cancer (HNC) constitutes a substantial group of malignancies occurring in various anatomical regions of the head and neck, including lips, mouth, throat, larynx, nose, sinuses, oropharynx, hypopharynx, nasopharynx, and salivary glands. The present study addresses the phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt)/mammalian target of rapamycin (mTOR) pathway as a possible therapeutic target in cancer therapy. Finding new multitargeting agents capable of modulating PI3K/Akt/mTOR and cross-linked mediators could be viewed as an effective strategy in combating HNC. Recent studies have introduced phytochemicals as multitargeting agents and rich sources for finding and developing new therapeutic agents. Phytochemicals have exhibited immense anticancer effects, including targeting different stages of HNC through the modulation of several signaling pathways. Moreover, phenolic/polyphenolic compounds, alkaloids, terpenes/terpenoids, and other secondary metabolites have demonstrated promising anticancer activities because of their diverse pharmacological and biological properties like antiproliferative, antineoplastic, antioxidant, and anti-inflammatory activities. The current review is mainly focused on new therapeutic strategies for HNC passing through the PI3K/Akt/mTOR pathway as new strategies in combating HNC.
Collapse
Affiliation(s)
- Amin Iranpanah
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | | | - Hossein Biganeh
- Department of Pharmacognosy, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Roshanak Amirian
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
- USERN Office, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohsen Rastegari-Pouyani
- Department of Immunology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Rosanna Filosa
- Department of Science and Technology, University of Sannio, Benevento, Italy
| | - Wai San Cheang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan, Pakistan
| |
Collapse
|
3
|
Tan YQ, Chiou YS, Guo H, Zhang S, Huang X, Dukanya D, Kumar AM, Basappa S, Liu S, Zhu T, Basappa B, Pandey V, Lobie PE. Vertical pathway inhibition of receptor tyrosine kinases and BAD with synergistic efficacy in triple negative breast cancer. NPJ Precis Oncol 2024; 8:8. [PMID: 38200104 PMCID: PMC10781691 DOI: 10.1038/s41698-023-00489-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 12/13/2023] [Indexed: 01/12/2024] Open
Abstract
Aberrant activation of the PI3K/AKT signaling axis along with the sustained phosphorylation of downstream BAD is associated with a poor outcome of TNBC. Herein, the phosphorylated to non-phosphorylated ratio of BAD, an effector of PI3K/AKT promoting cell survival, was observed to be correlated with worse clinicopathologic indicators of outcome, including higher grade, higher proliferative index and lymph node metastasis. The structural optimization of a previously reported inhibitor of BAD-Ser99 phosphorylation was therefore achieved to generate a small molecule inhibiting the phosphorylation of BAD at Ser99 with enhanced potency and improved oral bioavailability. The molecule 2-((4-(2,3-dichlorophenyl)piperazin-1-yl)(pyridin-3-yl)methyl) phenol (NCK) displayed no toxicity at supra-therapeutic doses and was therefore assessed for utility in TNBC. NCK promoted apoptosis and G0/G1 cell cycle arrest of TNBC cell lines in vitro, concordant with gene expression analyses, and reduced in vivo xenograft growth and metastatic burden, demonstrating efficacy as a single agent. Additionally, combinatorial oncology compound library screening demonstrated that NCK synergized with tyrosine kinase inhibitors (TKIs), specifically OSI-930 or Crizotinib in reducing cell viability and promoting apoptosis of TNBC cells. The synergistic effects of NCK and TKIs were also observed in vivo with complete regression of a percentage of TNBC cell line derived xenografts and prevention of metastatic spread. In patient-derived TNBC xenograft models, NCK prolonged survival times of host animals, and in combination with TKIs generated superior survival outcomes to single agent treatment. Hence, this study provides proof of concept to further develop rational and mechanistic based therapeutic strategies to ameliorate the outcome of TNBC.
Collapse
Grants
- This research was supported by the National Natural Science Foundation of China (82172618 to P.E.L. and 82102768 to Y.Q.T.), China; the Shenzhen Key Laboratory of Innovative Oncotherapeutics (ZDSYS20200820165400003 to P.E.L.) (Shenzhen Science and Technology Innovation Commission), China; Shenzhen Development and Reform Commission Subject Construction Project ([2017]1434 to P.E.L.), China; Universities Stable Funding Key Projects (WDZC20200821150704001 to P.E.L.), China; Guangdong Basic and Applied Basic Research Foundation (2020A1515111064 to Y.Q.T.), China; The Shenzhen Bay Laboratory, Oncotherapeutics (21310031 to P.E.L.), China; Overseas Research Cooperation Project (HW2020008 to V.P.) (Tsinghua Shenzhen International Graduate School), China; Research Fund, Kaohsiung Medical University (KMU-Q112002 to Y.C.), Taiwan and China Postdoctoral Science Foundation (2022M721894 to X.H.), China.
Collapse
Affiliation(s)
- Yan Qin Tan
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, People's Republic of China
- Tsinghua Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, Guangdong, People's Republic of China
| | - Yi-Shiou Chiou
- Tsinghua Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, Guangdong, People's Republic of China
- Master Degree Program in Toxicology, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
- Shenzhen Bay Laboratory, Shenzhen, 518055, Guangdong, People's Republic of China
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan
| | - Hui Guo
- Tsinghua Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, Guangdong, People's Republic of China
| | - Shuwei Zhang
- Tsinghua Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, Guangdong, People's Republic of China
| | - Xiaoming Huang
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, People's Republic of China
- Tsinghua Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, Guangdong, People's Republic of China
- Shenzhen Bay Laboratory, Shenzhen, 518055, Guangdong, People's Republic of China
| | - Dukanya Dukanya
- Laboratory of Chemical Biology, Department of Studies in Organic Chemistry, University of Mysore, Manasagangotri, 570006, Mysore, India
| | - Arun M Kumar
- Laboratory of Chemical Biology, Department of Studies in Organic Chemistry, University of Mysore, Manasagangotri, 570006, Mysore, India
| | - Shreeja Basappa
- Laboratory of Chemical Biology, Department of Studies in Organic Chemistry, University of Mysore, Manasagangotri, 570006, Mysore, India
| | - Suling Liu
- Fudan University Shanghai Cancer Center & Institutes of Biomedical Sciences, Shanghai Medical College, Key Laboratory of Breast Cancer in Shanghai, Innovation Center for Cell Signaling Network, Cancer Institute, Fudan University, Shanghai, People's Republic of China
| | - Tao Zhu
- Shenzhen Bay Laboratory, Shenzhen, 518055, Guangdong, People's Republic of China
- Department of Oncology, The First Affiliated Hospital of USTC, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, People's Republic of China
- Hefei National Laboratory for Physical Sciences, University of Science and Technology of China, Hefei, Anhui, People's Republic of China
| | - Basappa Basappa
- Laboratory of Chemical Biology, Department of Studies in Organic Chemistry, University of Mysore, Manasagangotri, 570006, Mysore, India.
| | - Vijay Pandey
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, People's Republic of China.
- Tsinghua Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, Guangdong, People's Republic of China.
| | - Peter E Lobie
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, People's Republic of China.
- Tsinghua Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, Guangdong, People's Republic of China.
- Shenzhen Bay Laboratory, Shenzhen, 518055, Guangdong, People's Republic of China.
| |
Collapse
|
4
|
Choueiri TK, Porta C, Suárez C, Hainsworth J, Voog E, Duran I, Reeves J, Czaykowski P, Castellano D, Chen J, Sedarati F, Powles T. Randomized Phase II Trial of Sapanisertib ± TAK-117 vs. Everolimus in Patients With Advanced Renal Cell Carcinoma After VEGF-Targeted Therapy. Oncologist 2022; 27:1048-1057. [PMID: 36146944 PMCID: PMC9732228 DOI: 10.1093/oncolo/oyac192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 08/03/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Sapanisertib, a dual mTORC1/2 inhibitor, may offer more complete inhibition of the PI3K/AKT/mTOR pathway than mTORC1 inhibitors, such as everolimus. This phase II study evaluated the efficacy and safety of single-agent sapanisertib and sapanisertib plus the PI3Kα inhibitor TAK-117, vs. everolimus in patients with advanced clear cell renal cell carcinoma (ccRCC) that had progressed on or after VEGF-targeted therapy. MATERIALS AND METHODS Patients with histologically confirmed, advanced ccRCC were randomized 1:1:1 to receive single-agent everolimus 10 mg once daily, single-agent sapanisertib 30 mg once weekly, or sapanisertib 4 mg plus TAK-117 200 mg, both once daily for 3 days/week, in 28-day cycles. The primary endpoint was progression-free survival (PFS). RESULTS Ninety-five patients were treated with everolimus or sapanisertib (n = 32 each), or sapanisertib plus TAK-117 (n = 31). There were no significant differences in PFS among the 3 groups or across any subgroups. Median PFS was 3.8 months with everolimus vs. 3.6 months with sapanisertib (HR, 1.33; 95% CI, 0.75-2.36), and 3.1 months with sapanisertib plus TAK-117 (HR, 1.37; 95% CI, 0.75-2.52). No significant differences in overall survival were seen among groups. Overall response rate was 16.7%, 0%, and 7.1%, respectively. Discontinuations due to treatment-emergent adverse events were 15.6%, 28.1%, and 29.0%. CONCLUSION Sapanisertib with or without TAK-117 was less tolerable and did not improve efficacy vs. everolimus in patients with advanced ccRCC who had relapsed after or were refractory to VEGF-targeted therapies. Dual mTORC1/2 inhibition may not be an effective therapeutic approach for these patients.
Collapse
Affiliation(s)
- Toni K Choueiri
- Corresponding author: Toni K. Choueiri, MD, Jerome and Nancy Kohlberg Professor of Medicine, Department of Medicine and Harvard Medical School, Dana-Farber Cancer Institute, 450 Brookline Avenue, Boston, MA 02215, USA. Tel: +1 617 632 3000;
| | - Camillo Porta
- Present address: University of Bari Aldo Moro, Bari, Italy
| | - Cristina Suárez
- Medical Oncology, Vall d’Hebron Institute of Oncology (VHIO), Hospital Universitari Vall d´Hebron, Vall d´Hebron Barcelona Hospital Campus, Barcelona, Spain
| | | | - Eric Voog
- Centre Jean Bernard/Clinique Victor Hugo, Institut Inter-régional de Cancérologie, Le Mans, France
| | - Ignacio Duran
- Hospital Universitario Marqués de Valdecilla, IDIVAL, Santander, Cantabria, Spain
| | - James Reeves
- Florida Cancer Specialists/Sarah Cannon Research Institute, Fort Myers, FL, USA
| | | | - Daniel Castellano
- i+12 Research Institute, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Jingjing Chen
- Takeda Development Center Americas, Inc., Lexington, MA, USA
| | - Farhad Sedarati
- Takeda Development Center Americas, Inc., Lexington, MA, USA
| | - Thomas Powles
- Barts Cancer Institute, Royal Free NHS Trust, St. Bartholomew’s Hospital, London, UK
| |
Collapse
|
5
|
Chen X, Cai X, Zheng D, Huang X, Chen Y, Deng T, Mo L, Li H, Li J, Chen S. Norcantharidin counteracts acquired everolimus resistance in renal cell carcinoma by dual inhibition of mammalian target of rapamycin complex 1 and complex 2 pathways in Vitro. Anticancer Drugs 2022; 33:e94-e102. [PMID: 34261913 DOI: 10.1097/cad.0000000000001147] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Everolimus, an oral mammalian target of rapamycin complex 1 (mTORC1) inhibitor, presents a therapeutic option in metastatic renal cell carcinoma (RCC) patients who were intolerant to, or previously failed, immune- and vascular endothelial growth factor-targeted therapies. However, the onset of drug resistance limits its clinical use. One possible mechanism underpinning the resistance is that inhibiting mTORC1 by everolimus results in mTORC2-dependent activation of v-Akt murine thymoma viral oncogene (AKT) and upregulation of hypoxia-inducible transcription factors (HIF). Norcantharidin (NCTD) is a demethylated derivative of cantharidin with antitumor properties which is an active ingredient of the traditional Chinese medicine Mylabris. In this study, everolimus-resistant RCC cells (786-O-R) obtained by chronic everolimus treatment revealed higher level of HIF2α and over-activated mTORC2 pathway and NCTD inhibits cell proliferation in both everolimus-resistant and -sensitive RCC cells by arresting cell cycle in G0/G1 phase and reducing cell cycle-related proteins of C-Myc and cyclin D. Furthermore, NCTD shows synergistic anticancer effects combined with everolimus in everolimus-resistant 786-O-R cells. Mechanically, NCTD repressed both mTORC1 and mTORC2 signaling pathways as well as downstream molecular signaling pathways, such as p-4EBP1, p-AKT, HIF1α and HIF2α. Our findings provide sound evidence that combination of NCTD and everolimus is a potential therapeutic strategy for treating RCC and overcoming everolimus resistance by dual inhibition of mTORC1 and mTORC2.
Collapse
Affiliation(s)
- Xinglu Chen
- Department of Urology
- Clinical Laboratory, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou
| | - Xiangsheng Cai
- Center for Medical Experiments, University of Chinese Academy of Science-Shenzhen Hospital, Shenzhen, Guangdong
| | - Dianpeng Zheng
- Institute of Genetic, Zhejiang University School of Medicine, Hangzhou, Zhejiang
| | | | | | | | - Lijun Mo
- Institute of Biotherapy, School of Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
| | - Hongwei Li
- Institute of Genetic, Zhejiang University School of Medicine, Hangzhou, Zhejiang
| | - Jinlong Li
- Institute of Biotherapy, School of Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
| | | |
Collapse
|
6
|
Zheng B, Sun X, Chen XF, Chen Z, Zhu WL, Zhu H, Gu DH. Dual inhibition of DNA-PKcs and mTOR by CC-115 potently inhibits human renal cell carcinoma cell growth. Aging (Albany NY) 2020; 12:20445-20456. [PMID: 33109772 PMCID: PMC7655216 DOI: 10.18632/aging.103847] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 07/20/2020] [Indexed: 01/06/2023]
Abstract
CC-115 is a dual inhibitor of DNA-PKcs and mTOR, both are valuable therapeutic targets for renal cell carcinoma (RCC). Our results showed that CC-115 inhibited survival and proliferation of established RCC cell lines (786-O and A489) and primary human RCC cells. The dual inhibitor induced selective apoptosis activation in RCC cells, as compared to no cytotoxicity nor apoptotic effects toward normal renal epithelial cells. CC-115 inhibited DNA-PKcs and mTORC1/2 activation in RCC cells. It was however ineffective in DNA-PKcs-mTOR double knockout (DKO) 786-O cells. CC-115 induced feedback autophagy activation in RCC cells. Autophagy inhibitors or Beclin-1/Light chain 3 (LC3) silencing potentiated CC-115-induced anti-RCC cell activity. Conversely, ectopic overexpression of Beclin-1 inhibited CC-115-induced cytotoxicity. At last CC-115 oral administration inhibited 786-O subcutaneous xenograft growth in nude mice. Taken together, dual inhibition of DNA-PKcs and mTOR by CC-115 potently inhibited RCC cell growth.
Collapse
Affiliation(s)
- Bing Zheng
- Department of Urology, The Second Affiliated Hospital of Nantong University, Nantong, China
| | - Xu Sun
- Department of Hand and Foot Surgery, Hospital Affiliated 5 to Nantong University, Taizhou People’s Hospital, Taizhou, China
| | - Xin-Feng Chen
- Department of Urology, The Second Affiliated Hospital of Nantong University, Nantong, China
| | - Zhan Chen
- Department of Urology, The Second Affiliated Hospital of Nantong University, Nantong, China
| | - Wei-Li Zhu
- Port Clinic, Changshu Customs, Changshu, China
| | - Hua Zhu
- Department of Urology, The Second Affiliated Hospital of Nantong University, Nantong, China
| | - Dong-Hua Gu
- Department of Urology, The Second Affiliated Hospital of Nantong University, Nantong, China
| |
Collapse
|
7
|
BRD4 inhibition sensitizes renal cell carcinoma cells to the PI3K/mTOR dual inhibitor VS-5584. Aging (Albany NY) 2020; 12:19147-19158. [PMID: 33051401 PMCID: PMC7732329 DOI: 10.18632/aging.103723] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 06/29/2020] [Indexed: 01/24/2023]
Abstract
Activation of the PI3K/AKT/mTOR pathway promotes the progression of renal cell carcinoma (RCC). This study tested the anti-RCC cell activity of the PI3K/mTOR dual inhibitor, VS-5584. We show that VS-5584 inhibited PI3K/AKT/mTORC1/2 activation in established (786-O and A498 lines) and primary RCC cells, thereby suppressing cell survival, proliferation, migration and cell cycle progression. VS-5584 induced significant apoptosis in RCC cells. A daily single oral dose of VS-5584 (20 mg/kg) significantly inhibited 786-O tumor growth in vivo. VS-5584 treatment of 786-O tumor xenografts and RCC cells resulted in feedback upregulation of bromodomain-containing protein 4 (BRD4). Furthermore, BRD4 inhibition (by JQ1 and CPI203), knockdown or complete knockout potentiated VS-5584-induced RCC cell death and apoptosis. Conversely, forced overexpression of BRD4 attenuated the cytotoxicity of VS-5584 in 786-O cells. Collectively, VS-5584 potently inhibits RCC cell proliferation and survival. Its anti-tumor activity is further enhanced by the targeted inhibition of BRD4.
Collapse
|
8
|
Shi J, Wang K, Xiong Z, Yuan C, Wang C, Cao Q, Yu H, Meng X, Xie K, Cheng Z, Yang H, Chen K, Zhang X. Impact of inflammation and immunotherapy in renal cell carcinoma. Oncol Lett 2020; 20:272. [PMID: 33014151 PMCID: PMC7520756 DOI: 10.3892/ol.2020.12135] [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] [Received: 01/09/2020] [Accepted: 07/23/2020] [Indexed: 12/13/2022] Open
Abstract
Substantial research attention has been directed at exploring the mechanisms and treatment of renal cell carcinoma (RCC). Indeed, the association between inflammation and tumor phenotypes has been at the center of cancer research. Concomitant with research on the inflammation response and inflammatory molecules involved in RCC, new breakthroughs have emerged. A large body of knowledge now shows that treatments targeting inflammation and immunity in RCC provide substantial clinical benefits. Adequate analysis and a better understanding of the mechanisms of inflammatory factors in the occurrence and progression of RCC are highly desirable. Currently, numerous RCC treatments targeted at inflammation and immunotherapy are available. The current review describes in detail the link between inflammation and RCC.
Collapse
Affiliation(s)
- Jian Shi
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Institute of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Keshan Wang
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Institute of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Zhiyong Xiong
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Institute of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Changfei Yuan
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Institute of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Cheng Wang
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Institute of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Qi Cao
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Institute of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Huang Yu
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Institute of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Xiangui Meng
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Institute of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Kairu Xie
- Department of Pathogenic Biology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
| | - Zhixian Cheng
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Institute of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Hongmei Yang
- Department of Pathogenic Biology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
| | - Ke Chen
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Institute of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Xiaoping Zhang
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Institute of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| |
Collapse
|
9
|
The therapeutic value of SC66 in human renal cell carcinoma cells. Cell Death Dis 2020; 11:353. [PMID: 32393791 PMCID: PMC7214466 DOI: 10.1038/s41419-020-2566-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 04/17/2020] [Accepted: 04/20/2020] [Indexed: 01/08/2023]
Abstract
The PI3K-AKT-mTOR cascade is required for renal cell carcinoma (RCC) progression. SC66 is novel AKT inhibitor. We found that SC66 inhibited viability, proliferation, migration and invasion of RCC cell lines (786-O and A498) and patient-derived primary RCC cells. Although SC66blocked AKT-mTORC1/2 activation in RCC cells, it remained cytotoxic in AKT-inhibited/-silenced RCC cells. In RCC cells, SC66 cytotoxicity appears to occur via reactive oxygen species (ROS) production, sphingosine kinase 1inhibition, ceramide accumulation and JNK activation, independent of AKT inhibition. The ROS scavenger N-acetylcysteine, the JNK inhibitor (JNKi) and the anti-ceramide sphingolipid sphingosine-1-phosphate all attenuated SC66-induced cytotoxicity in 786-O cells. In vivo, oral administration of SC66 potently inhibited subcutaneous 786-O xenograft growth in SCID mice. AKT-mTOR inhibition, SphK1 inhibition, ceramide accumulation and JNK activation were detected in SC66-treated 786-O xenograft tumors, indicating that SC66 inhibits RCC cell progression through AKT-dependent and AKT-independent mechanisms.
Collapse
|
10
|
Kauffman EC, Lang M, Rais-Bahrami S, Gupta GN, Wei D, Yang Y, Sourbier C, Srinivasan R. Preclinical efficacy of dual mTORC1/2 inhibitor AZD8055 in renal cell carcinoma harboring a TFE3 gene fusion. BMC Cancer 2019; 19:917. [PMID: 31519159 PMCID: PMC6743205 DOI: 10.1186/s12885-019-6096-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 08/26/2019] [Indexed: 12/17/2022] Open
Abstract
Background Renal cell carcinomas (RCC) harboring a TFE3 gene fusion (TfRCC) represent an aggressive subset of kidney tumors. Key signaling pathways of TfRCC are unknown and preclinical in vivo data are lacking. We investigated Akt/mTOR pathway activation and the preclinical efficacy of dual mTORC1/2 versus selective mTORC1 inhibition in TfRCC. Methods Levels of phosphorylated Akt/mTOR pathway proteins were compared by immunoblot in TfRCC and clear cell RCC (ccRCC) cell lines. Effects of the mTORC1 inhibitor, sirolimus, and the dual mTORC1/2 inhibitor, AZD8055, on Akt/mTOR activation, cell cycle progression, cell viability and cytotoxicity were compared in TfRCC cells. TfRCC xenograft tumor growth in mice was evaluated after 3-week treatment with oral AZD8055, intraperitoneal sirolimus and respective vehicle controls. Results The Akt/mTOR pathway was activated to a similar or greater degree in TfRCC than ccRCC cell lines and persisted partly during growth factor starvation, suggesting constitutive activation. Dual mTORC1/2 inhibition with AZD8055 potently inhibited TfRCC viability (IC50 = 20-50 nM) due at least in part to cell cycle arrest, while benign renal epithelial cells were relatively resistant (IC50 = 400 nM). Maximal viability reduction was greater with AZD8055 than sirolimus (80–90% versus 30–50%), as was the extent of Akt/mTOR pathway inhibition, based on significantly greater suppression of P-Akt (Ser473), P-4EBP1, P-mTOR and HIF1α. In mouse xenograft models, AZD8055 achieved significantly better tumor growth inhibition and prolonged mouse survival compared to sirolimus or vehicle controls. Conclusions Akt/mTOR activation is common in TfRCC and a promising therapeutic target. Dual mTORC1/2 inhibition suppresses Akt/mTOR signaling more effectively than selective mTORC1 inhibition and demonstrates in vivo preclinical efficacy against TFE3-fusion renal cell carcinoma. Electronic supplementary material The online version of this article (10.1186/s12885-019-6096-0) contains supplementary material, which is available to authorized users.
Collapse
Affiliation(s)
- Eric C Kauffman
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 10 - Hatfield CRC, Room 1-5940, Bethesda, MD, 20892, USA.,Present address: Departments of Urology and Cancer Genetics, Roswell Park Cancer Institute, Buffalo, NY, 14263, USA
| | - Martin Lang
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 10 - Hatfield CRC, Room 1-5940, Bethesda, MD, 20892, USA
| | - Soroush Rais-Bahrami
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 10 - Hatfield CRC, Room 1-5940, Bethesda, MD, 20892, USA.,Present address: Department of Urology and Department of Radiology, University of Alabama at Birmingham School of Medicine, Birmingham, AL, 35294, USA
| | - Gopal N Gupta
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 10 - Hatfield CRC, Room 1-5940, Bethesda, MD, 20892, USA.,Present address: Department of Urology, Loyola University Medical Center, Chicago, IL, 60153, USA
| | - Darmood Wei
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 10 - Hatfield CRC, Room 1-5940, Bethesda, MD, 20892, USA
| | - Youfeng Yang
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 10 - Hatfield CRC, Room 1-5940, Bethesda, MD, 20892, USA
| | - Carole Sourbier
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 10 - Hatfield CRC, Room 1-5940, Bethesda, MD, 20892, USA.,Present address: Office of Biotechnology Products, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, 20993, USA
| | - Ramaprasad Srinivasan
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 10 - Hatfield CRC, Room 1-5940, Bethesda, MD, 20892, USA.
| |
Collapse
|
11
|
Safety and Activity of Metronomic Temozolomide in Second-Line Treatment of Advanced Neuroendocrine Neoplasms. J Clin Med 2019; 8:jcm8081224. [PMID: 31443197 PMCID: PMC6723560 DOI: 10.3390/jcm8081224] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 08/07/2019] [Accepted: 08/12/2019] [Indexed: 02/07/2023] Open
Abstract
Background. Platinum-based chemotherapy is the mainstay of front-line treatment of patients affected by pluri-metastatic intermediate/high grade NeuroEndocrine Neoplasms (NENs). However, there are no standard second-line treatments at disease progression. Previous clinical experiences have evidenced that temozolomide (TMZ), an oral analog of dacarbazine, is active against NENs at standard doses of 150 to 200 mg/mq per day on days 1 to 5 of a 28-day cycle, even if a significant treatment-related toxicity is reported. Methods. Metastatic NENs patients were treated at the ENETS (European NeuroEndocrine Tumor Society) center of excellence of Naples (Italy), from 2014 to 2017 with a second-line alternative metronomic schedule of TMZ, 75 mg/m2per os “one week on/one week off”. Toxicity was graded with NCI-CTC criteria v4.0; objective responses with RECIST v1.1 and performance status (PS) according to ECOG. Results. Twenty-six consecutive patients were treated. Median age was 65.5 years. The predominant primary organs were pancreas and lung. Grading was G2 in 11 patients, G3 in 15. More than half of patients had a PS 2 (15 vs. 11 with PS 1). The median time-on-temozolomide therapy was 12.2 months (95% CI: 11.4–19.6). No G3/G4 toxicities were registered. Complete response was obtained in 1 patient, partial response in 4, stable disease in 19 (disease control rate: 92.3%), and progressive disease in 2. The median overall survival from TMZ start was 28.3 months. PS improved in 73% of patients. Conclusions. Metronomic TMZ is a suitable treatment for G2 and G3 NENs particularly in PS 2 patients. Prospective and larger trials are needed to confirm these results.
Collapse
|
12
|
p38gamma overexpression promotes renal cell carcinoma cell growth, proliferation and migration. Biochem Biophys Res Commun 2019; 516:466-473. [PMID: 31229268 DOI: 10.1016/j.bbrc.2019.06.056] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 06/08/2019] [Indexed: 01/08/2023]
Abstract
Recent studies have proposed that p38gamma (p38γ) might be critically involved in tumorigenesis and cancer progression. Its expression and potential functions in human renal cell carcinoma (RCC) are studied here. We show that p38γ mRNA and protein levels are upregulated in human RCC tissues, as compared to its levels in the surrounding normal renal tissues. p38γ upregulation was also detected in established (786-O line) and primary human RCC cells. Functional studies in 786-O cells and primary human RCC cells demonstrated that p38γ silencing (by targeted shRNAs) or CRISPR/Cas9-mediated p38γ knockout (KO) potently inhibited cell growth, viability, proliferation and migration. Furthermore, p38γ shRNA or KO in RCC cells decreased retinoblastoma (Rb) phosphorylation and downregulated cyclin E1/A expression. Additionally, significant apoptosis activation was detected in p38γ-silenced and p38γ-KO RCC cells. Contrarily, ectopic overexpression of p38γ facilitated cell growth, viability, proliferation and migration in RCC cells. Taken together, we show that p38γ overexpression promotes RCC cell growth, proliferation and migration. p38γ could be a novel therapeutic target for human RCC.
Collapse
|
13
|
Shi X, Wang J, Lei Y, Cong C, Tan D, Zhou X. Research progress on the PI3K/AKT signaling pathway in gynecological cancer (Review). Mol Med Rep 2019; 19:4529-4535. [PMID: 30942405 PMCID: PMC6522820 DOI: 10.3892/mmr.2019.10121] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Accepted: 02/21/2019] [Indexed: 02/06/2023] Open
Abstract
The phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT) signaling pathway is involved in the regulation of multiple cellular physiological processes by activating downstream corresponding effector molecules, which serve an important role in the cell cycle, growth and proliferation. This is a common phenomenon; overactivation of the pathway is present in human malignancies and has been implicated in cancer progression, hence one of the important approaches to the treatment of tumors is rational drug design using molecular targets in the PI3K/AKT signaling pathway. In brief, the present review analyzed the effects of the PI3K/AKT signaling pathway on certain gynecological cancer types.
Collapse
Affiliation(s)
- Xiang Shi
- Department of Pathology, Qianjiang Central Hospital, Qianjiang, Hubei 433100, P.R. China
| | - Jingjing Wang
- Department of Pathology, Qianjiang Central Hospital, Qianjiang, Hubei 433100, P.R. China
| | - Yu Lei
- Department of Pathology, Qianjiang Central Hospital, Qianjiang, Hubei 433100, P.R. China
| | - Caofan Cong
- Department of Pathology, Qianjiang Central Hospital, Qianjiang, Hubei 433100, P.R. China
| | - Dailin Tan
- Department of Clinical Laboratory, Qianjiang Central Hospital, Qianjiang, Hubei 433100, P.R. China
| | - Xianrong Zhou
- Department of Pathology, Qianjiang Central Hospital, Qianjiang, Hubei 433100, P.R. China
| |
Collapse
|
14
|
Nayman AH, Siginc H, Zemheri E, Yencilek F, Yildirim A, Telci D. Dual-Inhibition of mTOR and Bcl-2 Enhances the Anti-tumor Effect of Everolimus against Renal Cell Carcinoma In Vitro and In Vivo. J Cancer 2019; 10:1466-1478. [PMID: 31031856 PMCID: PMC6485234 DOI: 10.7150/jca.29192] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 01/03/2019] [Indexed: 12/14/2022] Open
Abstract
Renal cell carcinoma (RCC) is the predominant type of kidney cancer. Mammalian target of rapamycin (mTOR) inhibitor everolimus is currently used as a second-line therapy for sorafenib or sunitinib-refractory metastatic RCC patients. The clinical limitation confronted during everolimus therapy is the onset of drug resistance that decreases the efficacy of the drug. Elevated level of anti-apoptotic Bcl-2 protein is proposed to be an emerging feedback loop for the acquired drug-resistance in various cancer types. In this study, the Bcl-2 inhibitor ABT-737 was used in combination with everolimus to enhance its anti-tumor effectiveness in everolimus-resistant RCC cell lines. Everolimus and ABT-737 combination synergistically led to a decrease in the proliferation of primary site A-498 and metastatic site Caki-1 RCC cell lines, which was accompanied by a reduction in protein levels of cell cycle and mTOR pathway proteins. In both RCC cell lines, everolimus-ABT-737 combination not only induced apoptosis, caspase and PARP-1 cleavage but also a decrease in Bcl-2 protein levels in parallel with a concomitant increase in Bim and Noxa levels. In order to confirm our in vitro findings, we have generated everolimus-resistant RenCa cell line (RenCares) to establish a RCC mouse xenograft model. Animals co-treated with everolimus and ABT-737 exhibited a complete suppression of tumor growth without any notable toxicity. This study thus proposes the everolimus-ABT-737 combination as a novel therapeutic strategy for the treatment of RCC to overcome the current clinical problem of everolimus resistance.
Collapse
Affiliation(s)
- Ayse Hande Nayman
- Yeditepe University, Faculty of Engineering, Department of Genetics and Bioengineering, Kayisdagi Cad., 34755, Istanbul, Turkey
| | - Halime Siginc
- Yeditepe University, Faculty of Engineering, Department of Genetics and Bioengineering, Kayisdagi Cad., 34755, Istanbul, Turkey
| | - Ebru Zemheri
- Department of Pathology, Umraniye Training and Research Hospital, Istanbul, Turkey
| | - Faruk Yencilek
- Yeditepe University, Faculty/School of Medicine, Yeditepe University Hospital, Istanbul, Turkey
| | - Asif Yildirim
- Department of Urology/Faculty of Medicine, Medeniyet University, Istanbul, Turkey
| | - Dilek Telci
- Yeditepe University, Faculty of Engineering, Department of Genetics and Bioengineering, Kayisdagi Cad., 34755, Istanbul, Turkey
| |
Collapse
|
15
|
Abstract
Phosphoinositides (PIs) play pivotal roles in the regulation of many biological processes. The quality and quantity of PIs is regulated in time and space by the activity of PI kinases and PI phosphatases. The number of PI-metabolizing enzymes exceeds the number of PIs with, in many cases, more than one enzyme controlling the same biochemical step. This would suggest that the PI system has an intrinsic ability to buffer and compensate for the absence of a specific enzymatic activity. However, there are several examples of severe inherited human diseases caused by mutations in one of the PI enzymes, although other enzymes with the same activity are fully functional. The kidney depends strictly on PIs for physiological processes, such as cell polarization, filtration, solute reabsorption, and signal transduction. Indeed, alteration of the PI system in the kidney very often results in pathological conditions, both inherited and acquired. Most of the knowledge of the roles that PIs play in the kidney comes from the study of KO animal models for genes encoding PI enzymes and from the study of human genetic diseases, such as Lowe syndrome/Dent disease 2 and Joubert syndrome, caused by mutations in the genes encoding the PI phosphatases, OCRL and INPP5E, respectively.
Collapse
Affiliation(s)
- Leopoldo Staiano
- Telethon Institute of Genetics and Medicine, 80078 Pozzuoli, Italy
| | - Maria Antonietta De Matteis
- Telethon Institute of Genetics and Medicine, 80078 Pozzuoli, Italy .,University of Naples Federico II, 80131 Naples, Italy
| |
Collapse
|
16
|
Son JY, Yoon S, Tae IH, Park YJ, De U, Jeon Y, Park YJ, Rhyu IJ, Lee BM, Chung K, Lim JE, Lee SJ, Lee HW, Kwak JH, Kim HS, Choi HY. Novel therapeutic roles of MC-4 in combination with everolimus against advanced renal cell carcinoma by dual targeting of Akt/pyruvate kinase muscle isozyme M2 and mechanistic target of rapamycin complex 1 pathways. Cancer Med 2018; 7:5083-5095. [PMID: 30160042 PMCID: PMC6198234 DOI: 10.1002/cam4.1748] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 06/08/2018] [Accepted: 08/05/2018] [Indexed: 12/11/2022] Open
Abstract
Current clinical trials of new anticancer therapies against metastatic renal cell carcinoma (RCC), including molecular-targeted therapies, have not shown promise. The purpose of this study was to preclinically assess the antitumor effects of MC-4, a partially purified material of Artemisia annua L., as a monotherapy or in combination with the known mechanistic target of rapamycin complex 1 (mTORC1) inhibitor, everolimus, against Caki-1 (Von Hippel-Lindau (VHL)+/+) and 786-O (VHL-/-) human RCC cells. MC-4 monotherapy significantly increased tumor growth inhibition and autophagic cell death in RCC cells in vitro and in vivo. Everolimus led to compensatory Akt activation by inhibiting only mTORC1 signaling pathway. In contrast to everolimus, MC-4 enhanced phosphatase and tensin homolog expression and reduced its downstream effector, Akt/pyruvate kinase muscle isozyme M2 (PKM2), leading to decreased expression of glucose transporter 1, which is associated with cancer cell metabolism. The synergistic antitumor and anti-metastatic effects induced by co-administration of MC-4 and everolimus involve cell growth inhibition and autophagic cell death via dual targeting of phosphatidylinositol 3-kinase (PI3K)/Akt/PKM2 and mTORC1. These findings suggest that MC-4 is a novel Akt/PKM2 inhibitor that can overcome the limitation of existing mTOR inhibitors and can be considered a novel strategy to treat patients with rapidly progressing advanced RCC.
Collapse
Affiliation(s)
- Ji Yeon Son
- School of PharmacySungkyunkwan UniversitySuwonKorea
| | - Sungpil Yoon
- School of PharmacySungkyunkwan UniversitySuwonKorea
| | - In Hwan Tae
- School of PharmacySungkyunkwan UniversitySuwonKorea
| | - Yu Jin Park
- School of PharmacySungkyunkwan UniversitySuwonKorea
| | - Umasankar De
- School of PharmacySungkyunkwan UniversitySuwonKorea
| | | | | | - Im Joo Rhyu
- Department of AnatomyKorea University College of MedicineSeoulKorea
| | - Byung Mu Lee
- School of PharmacySungkyunkwan UniversitySuwonKorea
| | | | - Joung Eun Lim
- Departments of UrologySamsung Medical CenterSungkyunkwan University School of MedicineSeoulKorea
| | - Se Jeong Lee
- Department of AnatomyKorea University College of MedicineSeoulKorea
| | - Hye Won Lee
- Departments of UrologySamsung Medical CenterSungkyunkwan University School of MedicineSeoulKorea
- Department of Anatomy and Cell BiologySungkyunkwan University School of MedicineSuwonKorea
- Single Cell Network Research CenterSungkyunkwan University School of MedicineSuwonKorea
| | | | | | - Han Yong Choi
- Department of UrologyKangbuk Samsung HospitalSeoulKorea
| |
Collapse
|
17
|
Spirina LV, Kondakova IV, Tarasenko NV, Slonimskaya EM, Usynin EA, Gorbunov AK, Yurmazov ZA, Chigevskaya SY. [Targeting of the AKT/m-TOR Pathway: Biomarkers of Resistance to Cancer Therapy--
AKT/m-TOR Pathway and Resistance to Cancer Therapy]. ZHONGGUO FEI AI ZA ZHI = CHINESE JOURNAL OF LUNG CANCER 2018; 21:63-66. [PMID: 29357975 PMCID: PMC5972354 DOI: 10.3779/j.issn.1009-3419.2018.01.09] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Resistance to cancer therapy continues to be a major limitation for the successful treatment of cancer. There are many published studies on therapy resistance in breast and prostate cancers; however, there are currently no data on molecular markers associated with resistance. The conflicting data were reported regarding the AKT/m-TOR signaling pathway components as markers predicting resistance. The AKT/m-TOR signaling pathway is involved in the development of many human cancers; its activation is related to cell proliferation, angiogenesis, apoptosis, as well as to therapy resistance. Molecular alterations in the AKT/m-TOR signaling pathway provide a platform to identify universal markers associated with the development of resistance to cancer therapy.
Collapse
Affiliation(s)
- Liudmila V Spirina
- Laboratory of Tumor Biochemistry, Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Russia.,Department of Biochemistry and Molecular Biology, Siberian State Medical University, Tomsk, Russia
| | - Irina V Kondakova
- Laboratory of Tumor Biochemistry, Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Russia
| | - Natalia V Tarasenko
- Department of Medical Genetics, Siberian State Medical University, Tomsk, Russia.,Laboratory of Population Genetics, Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, Russia
| | - Elena M Slonimskaya
- Surgical Department, Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Russia.,Department of Oncology, Siberian State Medical University, Tomsk, Russia
| | - Evgeny A Usynin
- Surgical Department, Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Russia
| | - Alexey K Gorbunov
- Surgical Department, Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Russia
| | - Zahar A Yurmazov
- Surgical Department, Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Russia
| | - Svetlana Yu Chigevskaya
- Surgical Department, Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Russia
| |
Collapse
|
18
|
Chen XY, Li DF, Han JC, Wang B, Dong ZP, Yu LN, Pan ZH, Qu CJ, Chen Y, Sun SG, Zheng QS. Reprogramming induced by isoliquiritigenin diminishes melanoma cachexia through mTORC2-AKT-GSK3β signaling. Oncotarget 2018; 8:34565-34575. [PMID: 28410220 PMCID: PMC5470991 DOI: 10.18632/oncotarget.16655] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Accepted: 03/15/2017] [Indexed: 12/27/2022] Open
Abstract
Isoliquiritigenin (ISL), a member of the flavonoids, is known to have anti-tumor activity in vitro and in vivo. The effect of ISL on reprogramming in cancer cells, however, remains elusive. In this study, we investigated the effect of ISL on reprogramming in human melanoma A375 cells. ISL (15 μg/ml) significantly inhibited A375 cell proliferation, anchorage independent cell proliferation and G2/M cell cycle arrest after ISL exposure for 24 h. However, there were no significant changes in apoptosis rate. Terminal differentiation indicators (melanin content, melanogenesis mRNA expression, tyrosinase (TYR) activity) were all up-regulated by ISL treatment. In ISL-treated cells, glucose uptake, lactate levels and mRNA expression levels of GLUT1 and HK2 were significantly decreased, and accompanied by an increase in O2 consumption rate (OCR) and adenosine triphosphate (ATP) deficiency. Protein expression levels of mTORC2-AKT-GSK3β signaling pathway components (mTOR, p-mTOR, RICTOR, p-AKT, p-GSK3β) decreased significantly after ISL treatment. Co-treatment of ISL and the mTOR-specific inhibitor Ku-0063794 had a synergistic effect on the inhibition of proliferation, and increased melanin content and TYR activity. Glucose uptake and lactate levels decreased more significantly than treatment with ISL alone. These findings indicate that ISL induced reprogramming in A375 melanoma cells by activating mTORC2-AKT-GSK3β signaling.
Collapse
Affiliation(s)
- Xiao-Yu Chen
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - De-Fang Li
- Binzhou Medical University, Yantai, Shandong, 264003, China
| | - Ji-Chun Han
- Binzhou Medical University, Yantai, Shandong, 264003, China
| | - Bo Wang
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources of Ministry of Education, School of Pharmacy, Shihezi University, Shihezi, 832002, China
| | | | - Li-Na Yu
- Binzhou Medical University, Yantai, Shandong, 264003, China
| | - Zhao-Hai Pan
- Binzhou Medical University, Yantai, Shandong, 264003, China
| | - Chuan-Jun Qu
- Binzhou Medical University, Yantai, Shandong, 264003, China
| | - Ying Chen
- Binzhou Medical University, Yantai, Shandong, 264003, China
| | - Shi-Guo Sun
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | | |
Collapse
|
19
|
Lai Y, Zhao Z, Zeng T, Liang X, Chen D, Duan X, Zeng G, Wu W. Crosstalk between VEGFR and other receptor tyrosine kinases for TKI therapy of metastatic renal cell carcinoma. Cancer Cell Int 2018. [PMID: 29527128 PMCID: PMC5838927 DOI: 10.1186/s12935-018-0530-2] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Clear cell renal cell carcinoma (ccRCC) is the most common subtype of renal cell carcinoma (RCC), and is frequently accompanied by the genetic features of von Hippel–Lindau (VHL) loss. VHL loss increases the expression of hypoxia-inducible factors (HIFs) and their targets, including epidermal growth factor (EGF), vascular endothelial growth factor (VEGF), and platelet-derived growth factor (PDGF). The primary treatment for metastatic RCC (mRCC) is molecular-targeted therapy, especially anti-angiogenic therapy. VEGF monoclonal antibodies and VEGF receptor (VEGFR) tyrosine kinase inhibitors (TKIs) are the main drugs used in anti-angiogenic therapy. However, crosstalk between VEGFR and other tyrosine kinase or downstream pathways produce resistance to TKI treatment, and the multi-target inhibitors, HIF inhibitors or combination strategies are promising strategies for mRCC. HIFs are upstream of the crosstalk between the growth factors, and these factors may regulate the expression of VEGR, EGF, PDGF and other growth factors. The frequent VHL loss in ccRCC increases HIF expression, and HIFs may be an ideal candidate to overcome the TKI resistance. The combination of HIF inhibitors and immune checkpoint inhibitors is also anticipated. Various clinical trials of programmed cell death protein 1 inhibitors are planned. The present study reviews the effects of current and potential TKIs on mRCC, with a focus on VEGF/VEGFR and other targets for mRCC therapy.
Collapse
Affiliation(s)
- Yongchang Lai
- Department of Urology, Minimally Invasive Surgery Center, Guangzhou Urology Research Institute, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Kangda Road 1#, Haizhu District, Guangzhou, 510230 Guangdong China
| | - Zhijian Zhao
- Department of Urology, Minimally Invasive Surgery Center, Guangzhou Urology Research Institute, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Kangda Road 1#, Haizhu District, Guangzhou, 510230 Guangdong China
| | - Tao Zeng
- Department of Urology, Minimally Invasive Surgery Center, Guangzhou Urology Research Institute, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Kangda Road 1#, Haizhu District, Guangzhou, 510230 Guangdong China
| | - Xiongfa Liang
- Department of Urology, Minimally Invasive Surgery Center, Guangzhou Urology Research Institute, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Kangda Road 1#, Haizhu District, Guangzhou, 510230 Guangdong China
| | - Dong Chen
- Department of Urology, Minimally Invasive Surgery Center, Guangzhou Urology Research Institute, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Kangda Road 1#, Haizhu District, Guangzhou, 510230 Guangdong China
| | - Xiaolu Duan
- Department of Urology, Minimally Invasive Surgery Center, Guangzhou Urology Research Institute, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Kangda Road 1#, Haizhu District, Guangzhou, 510230 Guangdong China
| | - Guohua Zeng
- Department of Urology, Minimally Invasive Surgery Center, Guangzhou Urology Research Institute, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Kangda Road 1#, Haizhu District, Guangzhou, 510230 Guangdong China
| | - Wenqi Wu
- Department of Urology, Minimally Invasive Surgery Center, Guangzhou Urology Research Institute, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Kangda Road 1#, Haizhu District, Guangzhou, 510230 Guangdong China
| |
Collapse
|
20
|
Liu Y, Chen Z, Cheng H, Chen J, Qian J. Gremlin promotes retinal pigmentation epithelial (RPE) cell proliferation, migration and VEGF production via activating VEGFR2-Akt-mTORC2 signaling. Oncotarget 2018; 8:979-987. [PMID: 27894090 PMCID: PMC5352211 DOI: 10.18632/oncotarget.13518] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 10/29/2016] [Indexed: 11/25/2022] Open
Abstract
Retinopathy of prematurity (ROP) is characterized by late-phase pathologic retinal vasoproliferation. Gremlin is a novel vascular endothelial growth factors (VEGF) receptor 2 (VEGFR2) agonist and promotes angiogenic response. We demonstrated that gremlin expression was significantly increased in retinas of ROP model mice, which was correlated with VEGF upregulation. In retinal pigmentation epithelial (RPE) cells, gremlin activated VEGFR2-Akt-mTORC2 (mammalian target of rapamycin complex 2) signaling, and promoted cell proliferation, migration and VEGF production. VEGFR inhibition (by SU5416) or shRNA knockdown almost abolished gremlin-mediated pleiotropic functions in RPE cells. Further, pharmacological inhibition of Akt-mTOR, or shRNA knockdown of key mTORC2 component (Rictor or Sin1) also attenuated gremlin-exerted activities in RPE cells. We conclude that gremlin promotes RPE cell proliferation, migration and VEGF production possibly via activating VEGFR2-Akt-mTORC2 signaling. Gremlin could be a novel therapeutic target of ROP or other retinal vasoproliferation diseases.
Collapse
Affiliation(s)
- Yuan Liu
- Department of Ophthalmology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Zhijun Chen
- Department of Ophthalmology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Haixia Cheng
- Department of Ophthalmology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Juan Chen
- Department of Ophthalmology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Jing Qian
- Department of Ophthalmology, Children's Hospital of Nanjing Medical University, Nanjing, China
| |
Collapse
|
21
|
Efficacy of PI3K/AKT/mTOR pathway inhibitors for the treatment of advanced solid cancers: A literature-based meta-analysis of 46 randomised control trials. PLoS One 2018; 13:e0192464. [PMID: 29408858 PMCID: PMC5800666 DOI: 10.1371/journal.pone.0192464] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 01/23/2018] [Indexed: 01/05/2023] Open
Abstract
Background The phosphatidylinositol-3- kinase (PI3K)/AKT/mammalian target of rapamycin (mTOR) pathway (PI3K/AKT/mTOR pathway) plays a key role in cancer. We performed this meta-analysis to assess the clinical effect of using PI3K/AKT/mTOR pathway inhibitors on advanced solid tumours. Methods All the randomised controlled trials (RCT) that compared the therapy with PI3K/AKT/mTOR pathway inhibitors with other therapies were included. The main end-point was progression-free survival (PFS); other end-points included overall survival (OS) and objective response rate (ORR). A subgroup analysis was performed mainly for PFS. Results In total, 46 eligible RCT were included. The pooled results showed that PI3K/AKT/mTOR pathway inhibitor-based regimens significantly improved the PFS of patients with advanced solid tumours (hazard ratios (HR) = 0.79; 95% confidence intervals (CI): 0.71–0.88) and PI3K pathway mutations (HR = 0.69; 95% CI: 0.56–0.85). All single PI3K/AKT/mTOR pathway inhibitor therapies were compared with other targeted therapies (HR = 0.99; 95% CI: 0.93–1.06) and dual targeted therapies, including PI3K/AKT/mTOR pathway inhibitors and other targeted therapies (HR = 1.04; 95% CI: 0.62–1.74), which showed no significant differences in the PFS. Additional PI3K/AKT/mTOR pathway inhibitors showed no advantage with respect to the OS (HR = 0.98; 95% CI: 0.90–1.07) or ORR (risk ratio (RR) = 1.02; 95% CI: 0.87–1.20). Conclusion Our meta-analysis results suggest that the addition of the PI3K pathway inhibitors to the therapy regiment for advanced solid tumours significantly improves PFS. The way that patients are selected to receive the PI3K pathway inhibitors might be more meaningful in the future.
Collapse
|
22
|
Zhu H, Mao JH, Wang Y, Gu DH, Pan XD, Shan Y, Zheng B. Dual inhibition of BRD4 and PI3K-AKT by SF2523 suppresses human renal cell carcinoma cell growth. Oncotarget 2017; 8:98471-98481. [PMID: 29228703 PMCID: PMC5716743 DOI: 10.18632/oncotarget.21432] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Accepted: 08/28/2017] [Indexed: 12/21/2022] Open
Abstract
Bromodomain-containing protein 4 (BRD4) and PI3K-AKT are both important for renal cell carcinoma (RCC) development and progression. SF2523 is a BRD4 and PI3K-AKT dual inhibitor. The present study demonstrated that SF2523 was cytotoxic and anti-proliferative to established RCC cell lines (786-O and A498) and primary human RCC cells. SF2523 induced activation of caspase and apoptosis in RCC cells. Further, SF2523 disrupted RCC cell cycle progression and inhibited cell migration in vitro. At the signaling level, SF2523 in-activated PI3K-AKT-mTOR, and downregulated BRD4-dependent proteins, Bcl-2 and Myc, in RCC cells. Remarkably, SF2523 was more efficient than Wortmannin (the PI3K inhibitor) and JQ1 (the BRD4 specific inhibitor) in killing RCC cells. In vivo, SF2523 administration at well-tolerated doses suppressed 786-O xenograft tumor growth in severe combined immunodeficient (SCID) mice. Together, our results suggest that concurrent blockage of BRD4 and PI3K-AKT signalings by SF2523 efficiently inhibits RCC cell growth in vitro and in vivo.
Collapse
Affiliation(s)
- Hua Zhu
- The Department of Urology, The Second Affiliated Hospital of Soochow University, Suzhou, China.,The Department of Urology, The Second Affiliated Hospital of Nantong University, Nantong, China
| | - Jia-Hui Mao
- Department of Pathophysiology, Nantong University School of Medicine, Nantong, China
| | - Yin Wang
- Institute of Neuroscience, Soochow University, Suzhou, China
| | - Dong-Hua Gu
- The Department of Urology, The Second Affiliated Hospital of Nantong University, Nantong, China
| | - Xiao-Dong Pan
- The Department of Urology, The Second Affiliated Hospital of Nantong University, Nantong, China
| | - Yuxi Shan
- The Department of Urology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Bing Zheng
- The Department of Urology, The Second Affiliated Hospital of Nantong University, Nantong, China
| |
Collapse
|
23
|
Arai T, Okato A, Kojima S, Idichi T, Koshizuka K, Kurozumi A, Kato M, Yamazaki K, Ishida Y, Naya Y, Ichikawa T, Seki N. Regulation of spindle and kinetochore-associated protein 1 by antitumor miR-10a-5p in renal cell carcinoma. Cancer Sci 2017; 108:2088-2101. [PMID: 28746769 PMCID: PMC5623743 DOI: 10.1111/cas.13331] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 07/20/2017] [Accepted: 07/23/2017] [Indexed: 12/11/2022] Open
Abstract
Analysis of our original microRNA (miRNA) expression signature of patients with advanced renal cell carcinoma (RCC) showed that microRNA‐10a‐5p (miR‐10a‐5p) was significantly downregulated in RCC specimens. The aims of the present study were to investigate the antitumor roles of miR‐10a‐5p and the novel cancer networks regulated by this miRNA in RCC cells. Downregulation of miR‐10a‐5p was confirmed in RCC tissues and RCC tissues from patients treated with tyrosine kinase inhibitors (TKI). Ectopic expression of miR‐10a‐5p in RCC cell lines (786‐O and A498 cells) inhibited cancer cell migration and invasion. Spindle and kinetochore‐associated protein 1 (SKA1) was identified as an antitumor miR‐10a‐5p target by genome‐based approaches, and direct regulation was validated by luciferase reporter assays. Knockdown of SKA1 inhibited cancer cell migration and invasion in RCC cells. Overexpression of SKA1 was observed in RCC tissues and TKI‐treated RCC tissues. Moreover, analysis of The Cancer Genome Atlas database demonstrated that low expression of miR‐10a‐5p and high expression of SKA1 were significantly associated with overall survival in patients with RCC. These findings showed that downregulation of miR‐10a‐5p and overexpression of the SKA1 axis were highly involved in RCC pathogenesis and resistance to TKI treatment in RCC.
Collapse
Affiliation(s)
- Takayuki Arai
- Department of Functional Genomics, Chiba University Graduate School of Medicine, Chiba, Japan.,Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Atsushi Okato
- Department of Functional Genomics, Chiba University Graduate School of Medicine, Chiba, Japan.,Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Satoko Kojima
- Department of Urology, Teikyo University Chiba Medical Center, Ichihara, Japan
| | - Tetsuya Idichi
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, Kagoshima, Japan
| | - Keiichi Koshizuka
- Department of Functional Genomics, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Akira Kurozumi
- Department of Functional Genomics, Chiba University Graduate School of Medicine, Chiba, Japan.,Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Mayuko Kato
- Department of Functional Genomics, Chiba University Graduate School of Medicine, Chiba, Japan.,Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Kazuto Yamazaki
- Department of Pathology, Teikyo University Chiba Medical Center, Ichihara, Japan
| | - Yasuo Ishida
- Department of Pathology, Teikyo University Chiba Medical Center, Ichihara, Japan
| | - Yukio Naya
- Department of Urology, Teikyo University Chiba Medical Center, Ichihara, Japan
| | - Tomohiko Ichikawa
- Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Naohiko Seki
- Department of Functional Genomics, Chiba University Graduate School of Medicine, Chiba, Japan
| |
Collapse
|
24
|
Burris HA, Kurkjian CD, Hart L, Pant S, Murphy PB, Jones SF, Neuwirth R, Patel CG, Zohren F, Infante JR. TAK-228 (formerly MLN0128), an investigational dual TORC1/2 inhibitor plus paclitaxel, with/without trastuzumab, in patients with advanced solid malignancies. Cancer Chemother Pharmacol 2017; 80:261-273. [PMID: 28601972 DOI: 10.1007/s00280-017-3343-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 05/20/2017] [Indexed: 11/28/2022]
Abstract
PURPOSE This phase I trial evaluated the safety, pharmacokinetic profile, and antitumor activity of investigational oral TORC1/2 inhibitor TAK-228 plus paclitaxel, with/without trastuzumab, in patients with advanced solid malignancies. METHODS Sixty-seven patients received TAK-228 6-40 mg via three dosing schedules; once daily for 3 days (QDx3d QW) or 5 days per week (QDx5d QW), and once weekly (QW) plus paclitaxel 80 mg/m2 (dose-escalation phase, n = 47) and with/without trastuzumab 2 mg/kg (expansion phase, n = 20). Doses were escalated using a modified 3 + 3 design, based upon dose-limiting toxicities in cycle 1. RESULTS TAK-228 pharmacokinetics exhibited dose-dependent increase in exposure when dosed with paclitaxel and no apparent differences when administered with or 24 h after paclitaxel. Dose-limiting toxicities were dehydration, diarrhea, stomatitis, fatigue, rash, thrombocytopenia, neutropenia, leukopenia, and nausea. The maximum tolerated dose of TAK-228 was determined as 10-mg QDx3d QW; the expansion phase proceeded with 8-mg QDx3d QW. Overall, the most common grade ≥3 drug-related toxicities were neutropenia (21%), diarrhea (12%), and hyperglycemia (12%). Of 54 response-evaluable patients, eight achieved partial response and six had stable disease lasting ≥6 months. CONCLUSION TAK-228 demonstrated a safety profile consistent with other TORC inhibitors and promising preliminary antitumor activity in a range of tumor types; no meaningful difference was noted in the pharmacokinetics of TAK-228 when administered with or 24 h after paclitaxel. These findings support further investigation of TAK-228 in combination with other agents including paclitaxel, with/without trastuzumab, in patients with advanced solid tumors. CLINICALTRIALS. GOV IDENTIFIER NCT01351350.
Collapse
Affiliation(s)
- Howard A Burris
- Sarah Cannon Research Institute, 250 25th Avenue North, #100, Nashville, TN, 37203, USA. .,Tennessee Oncology PLLC, Nashville, TN, USA.
| | - C D Kurkjian
- Sarah Cannon Research Institute, 250 25th Avenue North, #100, Nashville, TN, 37203, USA.,Department of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - L Hart
- Sarah Cannon Research Institute, 250 25th Avenue North, #100, Nashville, TN, 37203, USA.,Florida Cancer Specialists, Fort Myers, FL, USA
| | - S Pant
- Sarah Cannon Research Institute, 250 25th Avenue North, #100, Nashville, TN, 37203, USA.,Department of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.,The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - P B Murphy
- Sarah Cannon Research Institute, 250 25th Avenue North, #100, Nashville, TN, 37203, USA.,Tennessee Oncology PLLC, Nashville, TN, USA
| | - S F Jones
- Sarah Cannon Research Institute, 250 25th Avenue North, #100, Nashville, TN, 37203, USA
| | - R Neuwirth
- Millennium Pharmaceuticals, Inc., A Wholly Owned Subsidiary of Takeda Pharmaceutical Company Limited, Cambridge, MA, USA
| | - C G Patel
- Millennium Pharmaceuticals, Inc., A Wholly Owned Subsidiary of Takeda Pharmaceutical Company Limited, Cambridge, MA, USA
| | - F Zohren
- Millennium Pharmaceuticals, Inc., A Wholly Owned Subsidiary of Takeda Pharmaceutical Company Limited, Cambridge, MA, USA
| | - J R Infante
- Sarah Cannon Research Institute, 250 25th Avenue North, #100, Nashville, TN, 37203, USA.,Tennessee Oncology PLLC, Nashville, TN, USA
| |
Collapse
|
25
|
Jonasch E, Hasanov E, Corn PG, Moss T, Shaw KR, Stovall S, Marcott V, Gan B, Bird S, Wang X, Do KA, Altamirano PF, Zurita AJ, Doyle LA, Lara PN, Tannir NM. A randomized phase 2 study of MK-2206 versus everolimus in refractory renal cell carcinoma. Ann Oncol 2017; 28:804-808. [PMID: 28049139 DOI: 10.1093/annonc/mdw676] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Indexed: 01/28/2023] Open
Abstract
Background Activation of the phosphoinisitide-3 kinase (PI3K) pathway through mutation and constitutive upregulation has been described in renal cell carcinoma (RCC), making it an attractive target for therapeutic intervention. We performed a randomized phase II study in vascular endothelial growth factor (VEGF) therapy refractory patients to determine whether MK-2206, an allosteric inhibitor of AKT, was more efficacious than the mammalian target of rapamycin inhibitor everolimus. Patients and methods A total of 43 patients were randomized in a 2:1 distribution, with 29 patients assigned to the MK-2206 arm and 14 to the everolimus arm. Progression-free survival (PFS) was the primary endpoint. Results The trial was closed at the first futility analysis with an observed PFS of 3.68 months in the MK-2206 arm and 5.98 months in the everolimus arm. Dichotomous response rate profiles were seen in the MK-2206 arm with one complete response and three partial responses in the MK-2206 arm versus none in the everolimus arm. On the other hand, progressive disease was best response in 44.8% of MK2206 versus 14.3% of everolimus-treated patients. MK-2206 induced significantly more rash and pruritis than everolimus, and dose reduction occurred in 37.9% of MK-2206 versus 21.4% of everolimus-treated patients. Genomic analysis revealed that 57.1% of the patients in the PD group had either deleterious TP53 mutations or ATM mutations or deletions. In contrast, none of the patients in the non-PD group had TP53 or ATM defects. No predictive marker for response was observed in this small dataset. Conclusions Dichotomous outcomes are observed when VEGF therapy refractory patients are treated with MK-2206, and MK-2206 does not demonstrate superiority to everolimus. Additionally, mutations in DNA repair genes are associated with early disease progression, indicating that dysregulation of DNA repair is associated with a more aggressive tumor phenotype in RCC.
Collapse
Affiliation(s)
- E Jonasch
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| | - E Hasanov
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| | - P G Corn
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| | - T Moss
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| | - K R Shaw
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| | - S Stovall
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| | - V Marcott
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| | - B Gan
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| | - S Bird
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| | - X Wang
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| | - K A Do
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| | - P F Altamirano
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| | - A J Zurita
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| | - L A Doyle
- Investigational Drug Branch, Cancer Therapy Evaluation Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, Bethesda, Maryland, USA
| | - P N Lara
- UC Davis Comprehensive Cancer Center, Sacramento, CA, USA
| | - N M Tannir
- Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, TX, USA
| |
Collapse
|
26
|
Siska PJ, Beckermann KE, Rathmell WK, Haake SM. Strategies to overcome therapeutic resistance in renal cell carcinoma. Urol Oncol 2017; 35:102-110. [PMID: 28089416 PMCID: PMC5318278 DOI: 10.1016/j.urolonc.2016.12.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 11/30/2016] [Accepted: 12/05/2016] [Indexed: 01/05/2023]
Abstract
BACKGROUND Renal cell cancer (RCC) is a prevalent and lethal disease. At time of diagnosis, most patients present with localized disease. For these patients, the standard of care includes nephrectomy with close monitoring thereafter. While many patients will be cured, 5-year recurrence rates range from 30% to 60%. Furthermore, nearly one-third of patients present with metastatic disease at time of diagnosis. Metastatic disease is rarely curable and typically lethal. Cytotoxic chemotherapy and radiation alone are incapable of controlling the disease. Extensive effort was expended in the development of cytokine therapies but response rates remain low. Newer agents targeting angiogenesis and mTOR signaling emerged in the 2000s and revolutionized patient care. While these agents improve progression free survival, the development of resistance is nearly universal. A new era of immunotherapy is now emerging, led by the checkpoint inhibitors. However, therapeutic resistance remains a complex issue that is likely to persist. METHODS AND PURPOSE In this review, we systematically evaluate preclinical research and clinical trials that address resistance to the primary RCC therapies, including anti-angiogenesis agents, mTOR inhibitors, and immunotherapies. As clear cell RCC is the most common adult kidney cancer and has been the focus of most studies, it will be the focus of this review.
Collapse
MESH Headings
- Angiogenesis Inhibitors/pharmacology
- Angiogenesis Inhibitors/therapeutic use
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/therapeutic use
- Carcinoma, Renal Cell/immunology
- Carcinoma, Renal Cell/mortality
- Carcinoma, Renal Cell/pathology
- Carcinoma, Renal Cell/therapy
- Clinical Trials as Topic
- Costimulatory and Inhibitory T-Cell Receptors/antagonists & inhibitors
- Cytotoxicity, Immunologic/drug effects
- Disease Progression
- Disease-Free Survival
- Drug Resistance, Neoplasm
- Humans
- Immunotherapy/methods
- Kidney/blood supply
- Kidney/pathology
- Kidney Neoplasms/immunology
- Kidney Neoplasms/mortality
- Kidney Neoplasms/pathology
- Kidney Neoplasms/therapy
- Neoplasm Recurrence, Local/immunology
- Neoplasm Recurrence, Local/mortality
- Neoplasm Recurrence, Local/pathology
- Neoplasm Recurrence, Local/therapy
- Neovascularization, Pathologic/drug therapy
- Neovascularization, Pathologic/pathology
- Nephrectomy
- Protein Kinase Inhibitors/pharmacology
- Protein Kinase Inhibitors/therapeutic use
- Receptors, Vascular Endothelial Growth Factor/metabolism
- Signal Transduction/drug effects
- TOR Serine-Threonine Kinases/metabolism
Collapse
Affiliation(s)
- Peter J Siska
- Departments of Pathology, Microbiology, and Immunology, Vanderbilt Center for Immunobiology, Vanderbilt University Medical Center, 2220 Pierce Ave, PRB 646, Nashville, TN 37232. TEL: (615) 936-2003; FAX: (615) 343-7602.
| | - Kathryn E Beckermann
- Division of Hematology and Oncology, Department of Medicine, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, 2220 Pierce Ave, PRB 646, Nashville, TN 37232. TEL: (615) 936-2003; FAX: (615) 343-7602.
| | - W Kimryn Rathmell
- Division of Hematology and Oncology, Department of Medicine, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, 2220 Pierce Ave, PRB 777, Nashville, TN 37232. TEL: (615) 322-4967; FAX: (615) 343-7602.
| | - Scott M Haake
- Division of Hematology and Oncology, Department of Medicine, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, 2220 Pierce Ave, PRB 777, Nashville, TN 37232. TEL: (615) 322-4967; FAX: (615) 343-7602.
| |
Collapse
|
27
|
MCPIP1 contributes to clear cell renal cell carcinomas development. Angiogenesis 2017; 20:325-340. [PMID: 28197812 PMCID: PMC5511613 DOI: 10.1007/s10456-017-9540-2] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Accepted: 01/31/2017] [Indexed: 12/22/2022]
Abstract
Monocyte Chemoattractant protein-induced protein 1 (MCPIP1), also known as Regnase-1, is encoded by the ZC3H12a gene, and it mediates inflammatory processes by regulating the stability of transcripts coding for proinflammatory cytokines and controlling activity of transcription factors, such as NF-κB and AP1. We found that MCPIP1 transcript and protein levels are strongly downregulated in clear cell renal cell carcinoma (ccRCC) samples, which were derived from patients surgically treated for renal cancer compared to surrounded normal tissues. Using Caki-1 cells as a model, we analyzed the role of MCPIP1 in cancer development. We showed that MCPIP1 expression depends on the proteasome activity; however, hypoxia and hypoxia inducible factor 2 alfa (HIF2α) are key factors lowering MCPIP1 expression. Furthermore, we found that MCPIP1 negatively regulates HIF1α and HIF2α levels and in the case of the last one, the mechanism is based on the regulation of the half time of transcript coding for HIF2α. Enhanced expression of MCPIP1 in Caki-1 cells results in a downregulation of transcripts encoding VEGFA, GLUT1, and IL-6. Furthermore, MCPIP1 decreases the activity of mTOR and protein kinase B (Akt) in normoxic conditions. Taken together, MCPIP1 contributes to the ccRCC development.
Collapse
|
28
|
Button RW, Vincent JH, Strang CJ, Luo S. Dual PI-3 kinase/mTOR inhibition impairs autophagy flux and induces cell death independent of apoptosis and necroptosis. Oncotarget 2017; 7:5157-75. [PMID: 26814436 PMCID: PMC4868678 DOI: 10.18632/oncotarget.6986] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Accepted: 01/18/2016] [Indexed: 11/25/2022] Open
Abstract
The PI-3 kinase (PI-3K)/mTOR pathway is critical for cell growth and proliferation. Strategies of antagonising this signaling have proven to be detrimental to cell survival. This observation, coupled with the fact many tumours show enhanced growth signaling, has caused dual inhibitors of PI-3K and mTOR to be implicated in cancer treatment, and have thus been studied across various tumour models. Since PI-3K (class-I)/mTOR pathway negatively regulates autophagy, dual inhibitors of PI-3K/mTOR are currently believed to be autophagy activators. However, our present data show that the dual PI-3K/mTOR inhibition (DKI) potently suppresses autophagic flux. We further confirm that inhibition of Vps34/PI3KC3, the class-III PI-3K, causes the blockade to autophagosome-lysosome fusion. Our data suggest that DKI induces cell death independently of apoptosis and necroptosis, whereas autophagy perturbation by DKI may contribute to cell death. Given that autophagy is critical in cellular homeostasis, our study not only clarifies the role of a dual PI-3K/mTOR inhibitor in autophagy, but also suggests that its autophagy inhibition needs to be considered if such an agent is used in cancer chemotherapy.
Collapse
Affiliation(s)
- Robert W Button
- Peninsula Schools of Medicine and Dentistry, Institute of Translational and Stratified Medicine, University of Plymouth, Research Way, Plymouth, UK
| | - Joseph H Vincent
- Peninsula Schools of Medicine and Dentistry, Institute of Translational and Stratified Medicine, University of Plymouth, Research Way, Plymouth, UK
| | - Conor J Strang
- Peninsula Schools of Medicine and Dentistry, Institute of Translational and Stratified Medicine, University of Plymouth, Research Way, Plymouth, UK
| | - Shouqing Luo
- Peninsula Schools of Medicine and Dentistry, Institute of Translational and Stratified Medicine, University of Plymouth, Research Way, Plymouth, UK
| |
Collapse
|
29
|
Dual mTOR inhibitor MLN0128 suppresses Merkel cell carcinoma (MCC) xenograft tumor growth. Oncotarget 2016; 7:6576-92. [PMID: 26536665 PMCID: PMC4872734 DOI: 10.18632/oncotarget.5878] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 10/13/2015] [Indexed: 12/28/2022] Open
Abstract
Merkel cell carcinoma (MCC) is an aggressive neuroendocrine skin cancer. Pathologic activation of PI3K/mTOR pathway and elevated expression of c-Myc are frequently detected in MCC. Yet, there is no targeted therapy presently available for this lethal disease. Recently, MLN0128, a second-generation dual TORC1/2 inhibitor is shown to have therapeutic efficacy in preclinical studies. MLN0128 is currently in clinical trials as a potential therapy for advanced cancers. Here we characterize the therapeutic efficacy of MLN0128 in the preclinical setting of MCC and delineate downstream targets of mTORC1/2 in MCC cellular systems. MLN0128 significantly attenuates xenograft MCC tumor growth independent of Merkel cell polyomavirus. Moreover, MLN0128 markedly diminishes MCC cell proliferation and induces apoptosis. Further investigations indicate that senescence does not contribute to MLN0128-mediated repression of xenograft MCC tumor growth. Finally, we also observe robust antitumor effects of MLN0128 when administered as a dual therapy with JQ1, a bromodomain protein BRD4 inhibitor. These results suggest dual blockade of PI3K/mTOR pathway and c-Myc axis is effective in the control of MCC tumor growth. Our results demonstrate that MLN0128 is potent as monotherapy or as a member of combination therapy with JQ1 for advanced MCC.
Collapse
|
30
|
Miekus K. The Met tyrosine kinase receptor as a therapeutic target and a potential cancer stem cell factor responsible for therapy resistance (Review). Oncol Rep 2016; 37:647-656. [PMID: 27959446 DOI: 10.3892/or.2016.5297] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Accepted: 11/17/2016] [Indexed: 11/05/2022] Open
Abstract
The MET tyrosine kinase receptor plays an important role during tumor development and progression being responsible for proliferation, morphogenetic transformation, cell motility and invasiveness. High expression of the MET receptor has been shown to correlate with increased tumor growth and metastasis, poor prognosis and resistance to radiotherapy. Moreover, MET expression and activation has been shown to be associated with therapy resistance. The occurrence of resistance to targeted therapy might be related to the presence of cancer stem cells (CSCs). CSCs are a subpopulation of cells in the tumor that possess the ability of self-renewal, clonogenicity, radioresistance and self-sustained protection from apoptosis. Recently, MET has been postulated as an essential factor supporting the functional stem cell phenotype in some tumors and as a CSC factor is believed to be responsible for therapy resistance. This review presents the results from recent studies identifying MET as a potential marker of CSCs and tumor initiating cells, demonstrating pivotal role of MET in supporting stem cell phenotype and indicating the role of MET in acquiring resistance to antitumor therapy.
Collapse
Affiliation(s)
- Katarzyna Miekus
- Department of General Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-387 Cracow, Poland
| |
Collapse
|
31
|
Sustained inhibition of cMET-VEGFR2 signaling using liposome-mediated delivery increases efficacy and reduces toxicity in kidney cancer. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2016; 12:1853-1861. [DOI: 10.1016/j.nano.2016.04.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Revised: 03/17/2016] [Accepted: 04/04/2016] [Indexed: 11/20/2022]
|
32
|
Huang CY, Huang YL, Pu YS, Shiue HS, Chen WJ, Chen SS, Lin YC, Su CT, Hsueh YM. The joint effects of arsenic and risk diplotypes of insulin-like growth factor binding protein-3 in renal cell carcinoma. CHEMOSPHERE 2016; 154:90-98. [PMID: 27038904 DOI: 10.1016/j.chemosphere.2016.03.056] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Revised: 03/01/2016] [Accepted: 03/13/2016] [Indexed: 06/05/2023]
Abstract
The association between renal cell carcinoma (RCC) and diabetes mellitus (DM), alcohol consumption, insulin-like growth factor binding protein-3 (IGFBP-3) gene, and arsenic exposure, has been the subject of independent studies. However, few studies have examined the combined effect of these factors on RCC risk. The aim of this study was to examine the association between these risk factors and the odds ratio (OR) of RCC. A hospital-based case-control study was conducted in 398 RCC patients and 756 age- and gender-matched non-cancer controls. Genomic DNA was used to examine the genotype of IRS-1 (Gly972Arg), PI3-K (Met362Ile), IGFBP-3 (A[-202]C), and IGFBP-3 (C[-1590]A) by PCR-RFLP. Profiles of urinary arsenic were measured by high performance liquid chromatography linked with hydride generator and atomic absorption spectrometry. Participants who had never consumed alcohol and who had high total levels of urinary arsenic and DM had a high OR of RCC. IGFBP-3 (A[-202]C) and IGFBP-3 (C[-1590]A) were in linkage disequilibrium. Participants carrying high-risk IGFBP-3 diplotypes A-C/C-C, A-A/A-C, and C-A/C-A had a significantly higher odds ratio (OR) and 95% confidence interval (2.80, 1.91-4.12) of RCC compared to those carrying other IGFBP-3 diplotypes. This is the first study to show that borderline significant interaction of high total levels of urinary arsenic and IGFBP-3 high-risk diplotypes significantly enhanced the OR of RCC. Our data also provide evidence that subjects with more risk factors (e.g., high total levels of urinary arsenic, never consumed alcohol, IGFBP-3 high-risk diplotypes) may experience a higher OR of RCC.
Collapse
Affiliation(s)
- Chao-Yuan Huang
- Department of Urology, National Taiwan University Hospital, College of Medicine National Taiwan University, Taipei, Taiwan; Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ya-Li Huang
- Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yeong-Shiau Pu
- Department of Urology, National Taiwan University Hospital, College of Medicine National Taiwan University, Taipei, Taiwan
| | - Horng-Sheng Shiue
- Department of Chinese Medicine, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Wei-Jen Chen
- School of Public Health, College of Public Health and Nutrition, Taipei Medical University, Taipei, Taiwan
| | - Shih-Shan Chen
- School of Public Health, College of Public Health and Nutrition, Taipei Medical University, Taipei, Taiwan
| | - Ying-Chin Lin
- Department of Family Medicine, Shung Ho Hospital, Taipei Medical University, Taipei, Taiwan; Department of Health Examination, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan; Division of Family Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chien-Tien Su
- School of Public Health, College of Public Health and Nutrition, Taipei Medical University, Taipei, Taiwan; Division of Family Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yu-Mei Hsueh
- Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; School of Public Health, College of Public Health and Nutrition, Taipei Medical University, Taipei, Taiwan.
| |
Collapse
|
33
|
Khan MI, Dębski KJ, Dabrowski M, Czarnecka AM, Szczylik C. Gene set enrichment analysis and ingenuity pathway analysis of metastatic clear cell renal cell carcinoma cell line. Am J Physiol Renal Physiol 2016; 311:F424-36. [PMID: 27279483 DOI: 10.1152/ajprenal.00138.2016] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 06/06/2016] [Indexed: 11/22/2022] Open
Abstract
In recent years, genome-wide RNA expression analysis has become a routine tool that offers a great opportunity to study and understand the key role of genes that contribute to carcinogenesis. Various microarray platforms and statistical approaches can be used to identify genes that might serve as prognostic biomarkers and be developed as antitumor therapies in the future. Metastatic renal cell carcinoma (mRCC) is a serious, life-threatening disease, and there are few treatment options for patients. In this study, we performed one-color microarray gene expression (4×44K) analysis of the mRCC cell line Caki-1 and the healthy kidney cell line ASE-5063. A total of 1,921 genes were differentially expressed in the Caki-1 cell line (1,023 upregulated and 898 downregulated). Gene Set Enrichment Analysis (GSEA) and Ingenuity Pathway Analysis (IPA) approaches were used to analyze the differential-expression data. The objective of this research was to identify complex biological changes that occur during metastatic development using Caki-1 as a model mRCC cell line. Our data suggest that there are multiple deregulated pathways associated with metastatic clear cell renal cell carcinoma (mccRCC), including integrin-linked kinase (ILK) signaling, leukocyte extravasation signaling, IGF-I signaling, CXCR4 signaling, and phosphoinositol 3-kinase/AKT/mammalian target of rapamycin signaling. The IPA upstream analysis predicted top transcriptional regulators that are either activated or inhibited, such as estrogen receptors, TP53, KDM5B, SPDEF, and CDKN1A. The GSEA approach was used to further confirm enriched pathway data following IPA.
Collapse
Affiliation(s)
- Mohammed I Khan
- Molecular Oncology Laboratory, Department of Oncology, Military Institute of Medicine, Warsaw, Poland; and
| | - Konrad J Dębski
- Bioinformatics Laboratory, Center of Neurobiology, Nencki Institute of Experimental Biology PAS, Warsaw, Poland
| | - Michał Dabrowski
- Bioinformatics Laboratory, Center of Neurobiology, Nencki Institute of Experimental Biology PAS, Warsaw, Poland
| | - Anna M Czarnecka
- Molecular Oncology Laboratory, Department of Oncology, Military Institute of Medicine, Warsaw, Poland; and
| | - Cezary Szczylik
- Molecular Oncology Laboratory, Department of Oncology, Military Institute of Medicine, Warsaw, Poland; and
| |
Collapse
|
34
|
Radoul M, Chaumeil MM, Eriksson P, Wang AS, Phillips JJ, Ronen SM. MR Studies of Glioblastoma Models Treated with Dual PI3K/mTOR Inhibitor and Temozolomide:Metabolic Changes Are Associated with Enhanced Survival. Mol Cancer Ther 2016; 15:1113-22. [PMID: 26883274 PMCID: PMC4873419 DOI: 10.1158/1535-7163.mct-15-0769] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 02/02/2016] [Indexed: 12/29/2022]
Abstract
The current standard of care for glioblastoma (GBM) is surgical resection, radiotherapy, and treatment with temozolomide (TMZ). However, resistance to current therapies and recurrence are common. To improve survival, agents that target the PI3K signaling pathway, which is activated in approximately 88% of GBM, are currently in clinical trials. A challenge with such therapies is that tumor shrinkage is not always observed. New imaging methods are therefore needed to monitor response to therapy and predict survival. The goal of this study was to determine whether hyperpolarized (13)C magnetic resonance spectroscopic imaging (MRSI) and (1)H magnetic resonance spectroscopy (MRS) can be used to monitor response to the second-generation dual PI3K/mTOR inhibitor voxtalisib (XL765, SAR245409), alone or in combination with TMZ. We investigated GS-2 and U87-MG GBM orthotopic tumors in mice, and used MRI, hyperpolarized (13)C MRSI, and (1)H MRS to monitor the effects of treatment. In our study, (1)H MRS could not predict tumor response to therapy. However, in both our models, we observed a significantly lower hyperpolarized lactate-to-pyruvate ratio in animals treated with voxtalisib, TMZ, or combination therapy, when compared with controls. This metabolic alteration was observed prior to MRI-detectable changes in tumor size, was consistent with drug action, and was associated with enhanced animal survival. Our findings confirm the potential translational value of the hyperpolarized lactate-to-pyruvate ratio as a biomarker for noninvasively assessing the effects of emerging therapies for patients with GBM. Mol Cancer Ther; 15(5); 1113-22. ©2016 AACR.
Collapse
Affiliation(s)
- Marina Radoul
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
| | - Myriam M Chaumeil
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
| | - Pia Eriksson
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
| | - Alan S Wang
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
| | - Joanna J Phillips
- Brain Tumor Research Center, University of California San Francisco, San Francisco, California. Neuropathology Division, Department of Pathology, UCSF School of Medicine, UCSF Medical Center, San Francisco, California
| | - Sabrina M Ronen
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California. Brain Tumor Research Center, University of California San Francisco, San Francisco, California.
| |
Collapse
|
35
|
Porta C, Tortora G, Larkin JMG, Hutson TE. Management of poor-risk metastatic renal cell carcinoma: current approaches, the role of temsirolimus and future directions. Future Oncol 2016; 12:533-49. [DOI: 10.2217/fon.15.313] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Targeted therapies have substantially improved outcomes in metastatic renal cell carcinoma (mRCC). As expected, poor-risk patients have the worst outcomes. Temsirolimus is currently the only agent licensed for treatment of poor-risk mRCC patients. It is associated with meaningful improvements in survival and quality of life, highlighting the importance of correctly stratifying risk in mRCC patients so they receive optimal treatment. Currently, data for other targeted therapies in poor-risk patients are relatively sparse. Optimizing outcomes in these patients is the subject of ongoing research, including studies of biomarkers and studies to elucidate the role of nephrectomy and neoadjuvant targeted therapy in poor-risk mRCC patients. The impacts of novel combinations including temsirolimus have also been explored to further improve outcomes.
Collapse
Affiliation(s)
- Camillo Porta
- Department of Medical Oncology, I.R.C.C.S. San Matteo University Hospital Foundation, Pavia, Italy
| | - Giampaolo Tortora
- Department of Medical Oncology, Medical School & Azienda Ospedaliera Universitaria Integrata, Verona, Italy
| | | | - Thomas E Hutson
- Texas Oncology, PA, Charles A Sammons Cancer Center, Baylor University Medical Center, Dallas, TX, USA
- Texas AM Health Science Center College of Medicine, Dallas, TX, USA
| |
Collapse
|
36
|
Abstract
The vascular endothelial growth factor (VEGF) pathway blockers and mammalian target of rapamycin (mTOR) inhibitors have dramatically improved the treatment options and outcome for patients with advanced renal cell carcinoma (RCC). However, because the vast majority of patients will still succumb to their disease, novel treatment approaches are still necessary. Efforts to identify novel therapeutic target treatments are focused on better understanding unique aspects of tumor cell biology guided the Cancer Genome Atlas analyses and the interaction of the tumor with its microenvironment. Areas of promising investigation include a) the identification of mechanisms of acquired resistance to VEGF pathway inhibition and developing agents targeting these in combination with VEGF receptor (VEGFR) pathway blockade; b) the identification of novel therapeutic targets, particularly for patients with VEGF pathway blocker refractory disease; and c) the development of novel immunotherapies, particularly those involving checkpoint inhibitors used alone or in combination with other immunotherapies of VEGF pathway blockers. Specific targets or agents of interest include angiopoietins (trebaninib), c-Met (cabozantinib), activin receptor-like kinase-1 (ALK-1; dalantercept), interleukin (IL)-8, and HDM2 for acquired resistance to VEGF pathway inhibition; hypoxia inducible factor-2 alpha (HIF-2 alpha), TORC1/2, and the Hippo pathway for novel targets, and PD1 and PDL1 antibodies given either alone or in combination with other checkpoint inhibitors, other immunotherapies, or VEGF pathway blockers for novel immunotherapies. In addition, the application of genetic, immunologic, or other biomarkers developed in the context of this research has the potential to select patients with specific tumor types for therapy targeted to specific vulnerabilities within the tumor or tumor microenvironment. Together, these developments should enable the transition to a new era of rational and more effective therapy for patients with advanced RCC.
Collapse
Affiliation(s)
- George K Philips
- From the Department of Oncology, Georgetown-Lombardi Comprehensive Cancer Center and Division of Hematology/Oncology, Medstar Georgetown University Hospital, Washington, DC
| | - Michael B Atkins
- From the Department of Oncology, Georgetown-Lombardi Comprehensive Cancer Center and Division of Hematology/Oncology, Medstar Georgetown University Hospital, Washington, DC
| |
Collapse
|
37
|
DENG ZHUO, ZHOU JIANCHENG, HAN XI, LI XU. TCEB2 confers resistance to VEGF-targeted therapy in ovarian cancer. Oncol Rep 2015; 35:359-65. [DOI: 10.3892/or.2015.4388] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2015] [Accepted: 08/26/2015] [Indexed: 11/05/2022] Open
|
38
|
Sun B, Chen L, Fu H, Guo L, Guo H, Zhang N. Upregulation of RICTOR gene transcription by the proinflammatory cytokines through NF-κB pathway contributes to the metastasis of renal cell carcinoma. Tumour Biol 2015; 37:4457-66. [PMID: 26500094 DOI: 10.1007/s13277-015-4296-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 10/20/2015] [Indexed: 12/12/2022] Open
Abstract
Metastasis accounts for more than 50 % of deaths among renal cell carcinoma (RCC) patients, and therefore, it is important to study the biology of metastasis and identify metastasis-associated biomarkers for risk prognosis and stratification of patients for an individualized therapy of RCC. In cultured RCC cells, knockdown of Rictor by short hairpin RNA (shRNA) inhibited cell migration and invasion, probably due to impairments in activation of Akt. Pretreatment with tumor necrosis factor α (TNFα) or interleukin 6 (IL-6) enhanced the expression of Rictor and the migration of renal cancer cells. Mechanistic analysis showed that TNFα induced the activation of NF-κB in RCC cells. Luciferase reporter analysis revealed a NF-κB responding element (-301 to -51 bp) at the promoter region of Rictor. Chromatin immunoprecipitation (ChIP) analysis further confirmed that TNFα-induced binding of p65 with the promoter of Rictor. In a xenograft model, knockdown of Rictor-blocked RCC cells metastasis to the mouse lungs and livers. Taken together, our results suggest that the proinflammatory cytokine TNFα promotes the expression of Rictor through the NF-κB pathway.
Collapse
Affiliation(s)
- Bo Sun
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, People's Republic of China
| | - Liwei Chen
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, People's Republic of China
| | - Hui Fu
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, People's Republic of China
| | - Lin Guo
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, People's Republic of China
| | - Hua Guo
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, People's Republic of China.
| | - Ning Zhang
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, People's Republic of China. .,Research Center of Basic Medical Science, Tianjin Medical University, No. 22 Qixiangtai Road, Heping District, Tianjin, 300070, People's Republic of China.
| |
Collapse
|
39
|
Guo H, German P, Bai S, Barnes S, Guo W, Qi X, Lou H, Liang J, Jonasch E, Mills GB, Ding Z. The PI3K/AKT Pathway and Renal Cell Carcinoma. J Genet Genomics 2015; 42:343-53. [PMID: 26233890 PMCID: PMC4624215 DOI: 10.1016/j.jgg.2015.03.003] [Citation(s) in RCA: 242] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 03/03/2015] [Accepted: 03/11/2015] [Indexed: 12/21/2022]
Abstract
The phosphatidylinositol 3 kinase (PI3K)/AKT pathway is genetically targeted in more pathway components and in more tumor types than any other growth factor signaling pathway, and thus is frequently activated as a cancer driver. More importantly, the PI3K/AKT pathway is composed of multiple bifurcating and converging kinase cascades, providing many potential targets for cancer therapy. Renal cell carcinoma (RCC) is a high-risk and high-mortality cancer that is notoriously resistant to traditional chemotherapies or radiotherapies. The PI3K/AKT pathway is modestly mutated but highly activated in RCC, representing a promising drug target. Indeed, PI3K pathway inhibitors of the rapalog family are approved for use in RCC. Recent large-scale integrated analyses of a large number of patients have provided a molecular basis for RCC, reiterating the critical role of the PI3K/AKT pathway in this cancer. In this review, we summarize the genetic alterations of the PI3K/AKT pathway in RCC as indicated in the latest large-scale genome sequencing data, as well as treatments for RCC that target the aberrant activated PI3K/AKT pathway.
Collapse
Affiliation(s)
- Huifang Guo
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Peter German
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Shanshan Bai
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Sean Barnes
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Wei Guo
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Xiangjie Qi
- Department of Radiation Oncology, People's Hospital of Linzi District, Zibo 255400, China
| | - Hongxiang Lou
- Department of Natural Products Chemistry, Key Laboratory of Chemical Biology of Ministry of Education, School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Jiyong Liang
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Eric Jonasch
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Gordon B Mills
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Zhiyong Ding
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| |
Collapse
|
40
|
Ushijima H, Suzuki Y, Oike T, Komachi M, Yoshimoto Y, Ando K, Okonogi N, Sato H, Noda SE, Saito JI, Nakano T. Radio-sensitization effect of an mTOR inhibitor, temsirolimus, on lung adenocarcinoma A549 cells under normoxic and hypoxic conditions. JOURNAL OF RADIATION RESEARCH 2015; 56:663-668. [PMID: 25887043 PMCID: PMC4497394 DOI: 10.1093/jrr/rrv021] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2014] [Revised: 03/09/2015] [Accepted: 03/16/2015] [Indexed: 06/04/2023]
Abstract
The mammalian target of rapamycin (mTOR) correlates with cell survival under hypoxia and regulates hypoxia-inducible factor-1α (HIF-1α), a key protein in hypoxia-related events. However, the role of mTOR in radio-resistance has not been fully investigated. Therefore, the effect of mTOR on the radio-resistance of cancer cells under hypoxia was evaluated using the mTOR inhibitor temsirolimus. Clonogenic survival was examined in the A549 human lung adenocarcinoma cell line under normoxia or hypoxia, with or without temsirolimus. An oxygen enhancement ratio (OER) was calculated using the D(10) values, the doses giving 10% survival. Western blotting was performed to investigate the effect of temsirolimus on mTOR and the HIF-1α pathway under normoxia and hypoxia. A549 cells showed a radio-resistance of 5.1 and 14.2 Gy, as indicated by D(10) values under normoxia and hypoxia, respectively; the OER was 2.8. The cell survival rates under hypoxia and with temsirolimus remarkably decreased compared with those under normoxia. The D(10) values of the cells under normoxia and hypoxia were 4.8 and 5.4 Gy, respectively (OER = 1.1). mTOR expression was suppressed by temsirolimus under both normoxia and hypoxia. HIF-1α expression decreased under hypoxia in the presence of temsirolimus. These results suggest that temsirolimus can overcome the radio-resistance induced by hypoxia. When the fact that mTOR acts upstream of HIF-1α is considered, our data suggest that the restoration of radiation sensitivity by temsirolimus under hypoxia may be associated with the suppression of the HIF-1α pathway. Temsirolimus could therefore be used as a hypoxic cell radio-sensitizer.
Collapse
Affiliation(s)
- Hiroki Ushijima
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma, 371-8511, Japan
| | - Yoshiyuki Suzuki
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma, 371-8511, Japan
| | - Takahiro Oike
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma, 371-8511, Japan
| | - Mayumi Komachi
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma, 371-8511, Japan
| | - Yuya Yoshimoto
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma, 371-8511, Japan
| | - Ken Ando
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma, 371-8511, Japan
| | - Noriyuki Okonogi
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma, 371-8511, Japan
| | - Hiro Sato
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma, 371-8511, Japan
| | - Shin-Ei Noda
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma, 371-8511, Japan
| | - Jun-Ichi Saito
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma, 371-8511, Japan
| | - Takashi Nakano
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma, 371-8511, Japan
| |
Collapse
|
41
|
Dorel M, Barillot E, Zinovyev A, Kuperstein I. Network-based approaches for drug response prediction and targeted therapy development in cancer. Biochem Biophys Res Commun 2015; 464:386-91. [PMID: 26086105 DOI: 10.1016/j.bbrc.2015.06.094] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Accepted: 06/12/2015] [Indexed: 01/18/2023]
Abstract
Signaling pathways implicated in cancer create a complex network with numerous regulatory loops and redundant pathways. This complexity explains frequent failure of one-drug-one-target paradigm of treatment, resulting in drug resistance in patients. To overcome the robustness of cell signaling network, cancer treatment should be extended to a combination therapy approach. Integrating and analyzing patient high-throughput data together with the information about biological signaling machinery may help deciphering molecular patterns specific to each patient and finding the best combinations of candidates for therapeutic targeting. We review state of the art in the field of targeted cancer medicine from the computational systems biology perspective. We summarize major signaling network resources and describe their characteristics with respect to applicability for drug response prediction and intervention targets suggestion. Thus discuss methods for prediction of drug sensitivity and intervention combinations using signaling networks together with high-throughput data. Gradual integration of these approaches into clinical routine will improve prediction of response to standard treatments and adjustment of intervention schemes.
Collapse
Affiliation(s)
- Mathurin Dorel
- Institut Curie, 26 rue d'Ulm, F-75248 Paris France; INSERM, U900, Paris, F-75248 France; Mines ParisTech, Fontainebleau, F-77300 France; Ecole Normale Supérieure, 46 rue d'Ulm, Paris, France
| | - Emmanuel Barillot
- Institut Curie, 26 rue d'Ulm, F-75248 Paris France; INSERM, U900, Paris, F-75248 France; Mines ParisTech, Fontainebleau, F-77300 France
| | - Andrei Zinovyev
- Institut Curie, 26 rue d'Ulm, F-75248 Paris France; INSERM, U900, Paris, F-75248 France; Mines ParisTech, Fontainebleau, F-77300 France
| | - Inna Kuperstein
- Institut Curie, 26 rue d'Ulm, F-75248 Paris France; INSERM, U900, Paris, F-75248 France; Mines ParisTech, Fontainebleau, F-77300 France.
| |
Collapse
|
42
|
Oh T, Ivan ME, Sun MZ, Safaee M, Fakurnejad S, Clark AJ, Sayegh ET, Bloch O, Parsa AT. PI3K pathway inhibitors: potential prospects as adjuncts to vaccine immunotherapy for glioblastoma. Immunotherapy 2015; 6:737-53. [PMID: 25186604 DOI: 10.2217/imt.14.35] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Constitutive activation of the PI3K pathway has been implicated in glioblastoma (GBM) pathogenesis. Pharmacologic inhibition can both inhibit tumor survival and downregulate expression of programmed death ligand-1, a protein highly expressed on glioma cells that strongly contributes to cancer immunosuppression. In that manner, PI3K pathway inhibitors can help optimize GBM vaccine immunotherapy. In this review, we describe and assess the potential integration of various classes of PI3K pathway inhibitors into GBM immunotherapy. While early-generation inhibitors have a wide range of immunosuppressive effects that could negate their antitumor potency, further work should better characterize how contemporary inhibitors affect the immune response. This will help determine if these inhibitors are truly a therapeutic avenue with a strong future in GBM immunotherapy.
Collapse
Affiliation(s)
- Taemin Oh
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Feinberg School of Medicine, 676 N St Clair Street, Suite 2210, Chicago, IL 60611-2911, USA
| | | | | | | | | | | | | | | | | |
Collapse
|
43
|
Mathieu V, Chantôme A, Lefranc F, Cimmino A, Miklos W, Paulitschke V, Mohr T, Maddau L, Kornienko A, Berger W, Vandier C, Evidente A, Delpire E, Kiss R. Sphaeropsidin A shows promising activity against drug-resistant cancer cells by targeting regulatory volume increase. Cell Mol Life Sci 2015; 72:3731-46. [PMID: 25868554 DOI: 10.1007/s00018-015-1902-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Revised: 03/10/2015] [Accepted: 04/02/2015] [Indexed: 12/19/2022]
Abstract
Despite the recent advances in the treatment of tumors with intrinsic chemotherapy resistance, such as melanoma and renal cancers, their prognosis remains poor and new chemical agents with promising activity against these cancers are urgently needed. Sphaeropsidin A, a fungal metabolite whose anticancer potential had previously received little attention, was isolated from Diplodia cupressi and found to display specific anticancer activity in vitro against melanoma and kidney cancer subpanels in the National Cancer Institute (NCI) 60-cell line screen. The NCI data revealed a mean LC50 of ca. 10 µM and a cellular sensitivity profile that did not match that of any other agent in the 765,000 compound database. Subsequent mechanistic studies in melanoma and other multidrug-resistant in vitro cancer models showed that sphaeropsidin A can overcome apoptosis as well as multidrug resistance by inducing a marked and rapid cellular shrinkage related to the loss of intracellular Cl(-) and the decreased HCO3 (-) concentration in the culture supernatant. These changes in ion homeostasis and the absence of effects on the plasma membrane potential were attributed to the sphaeropsidin A-induced impairment of regulatory volume increase (RVI). Preliminary results also indicate that depending on the type of cancer, the sphaeropsidin A effects on RVI could be related to Na-K-2Cl electroneutral cotransporter or Cl(-)/HCO3 (-) anion exchanger(s) targeting. This study underscores the modulation of ion-transporter activity as a promising therapeutic strategy to combat drug-resistant cancers and identifies the fungal metabolite, sphaeropsidin A, as a lead to develop anticancer agents targeting RVI in cancer cells.
Collapse
Affiliation(s)
- Véronique Mathieu
- Laboratoire de Cancérologie et de Toxicologie Expérimentale, Faculté de Pharmacie, Université Libre de Bruxelles (ULB), Campus de la Plaine, Boulevard du Triomphe, 1050, Brussels, Belgium.
| | - Aurélie Chantôme
- Inserm UMR 1069, Université François Rabelais and network "Ion channels and cancer - Canceropole Grand Ouest", Tours, France
| | - Florence Lefranc
- Service de Neurochirurgie, Hôpital Erasme, Université Libre de Bruxelles, Brussels, Belgium
| | - Alessio Cimmino
- Dipartimento di Scienze Chimiche, Università di Napoli Federico II, Complesso Universitario Monte Sant'Angelo, Via Cintia 4, 80126, Naples, Italy
| | - Walter Miklos
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Verena Paulitschke
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Thomas Mohr
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Lucia Maddau
- Dipartimento di Agraria, Sezione di Patologia vegetale ed Entomologia, Università degli Studi di Sassari, Viale Italia 39, 07100, Sassari, Italy
| | - Alexander Kornienko
- Department of Chemistry and Biochemistry, Texas State University, San Marcos, TX, 78666, USA
| | - Walter Berger
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Christophe Vandier
- Inserm UMR 1069, Université François Rabelais and network "Ion channels and cancer - Canceropole Grand Ouest", Tours, France
| | - Antonio Evidente
- Dipartimento di Scienze Chimiche, Università di Napoli Federico II, Complesso Universitario Monte Sant'Angelo, Via Cintia 4, 80126, Naples, Italy
| | - Eric Delpire
- Department of Anesthesiology, Vanderbilt University Medical School, Nashville, TN, USA
| | - Robert Kiss
- Laboratoire de Cancérologie et de Toxicologie Expérimentale, Faculté de Pharmacie, Université Libre de Bruxelles (ULB), Campus de la Plaine, Boulevard du Triomphe, 1050, Brussels, Belgium
| |
Collapse
|
44
|
Mizuno T, Kamai T, Abe H, Sakamoto S, Kitajima K, Nishihara D, Yuki H, Kambara T, Betsunoh H, Yashi M, Fukabori Y, Kaji Y, Yoshida KI. Clinically significant association between the maximum standardized uptake value on 18F-FDG PET and expression of phosphorylated Akt and S6 kinase for prediction of the biological characteristics of renal cell cancer. BMC Cancer 2015; 15:1097. [PMID: 25784113 PMCID: PMC4357069 DOI: 10.1186/s12885-015-1097-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Accepted: 02/20/2015] [Indexed: 01/03/2023] Open
Abstract
Background The relationship between the clinicopathological features and molecular changes associated with standardized uptake value (SUV) determined by Positron emission tomography (PET) with [18F] fluorodeoxyglucose (18F-FDG PET) in human renal cell carcinoma (RCC) has not been elucidated. On the other hand, overactivation of the phosphatidylinositol 3’kinase (PI3K), serine/threonine kinase Akt, and mammalian target of rapamycin (mTOR) pathway has been detected in a variety of human cancers, including RCC. So far, little is known about the relationship between the SUV and these proteins in human RCC. Thus, it is important to study the relevance of SUV with clinicopathological features in human RCCs from a molecular point of view. Methods Seventy-seven consecutive patients with RCC who underwent nephrectomy and pretreatment determination of the maximum SUV (SUVmax) by 18F-FDG PET were analyzed. We investigated the relationship between the SUVmax, phosphorylated-Akt (Ser-473) (pAkt(Ser-473)), phosphorylated-Akt (Thr-308) (pAkt(Thr-308), and phosphorylated-S6 ribosomal protein (Ser-235/236) (pS6) protein levels in the primary tumor and various clinicopathological features. Results The average SUVmax of the primary tumor was 6.9 (1.5 to 40.3). A higher SUVmax was correlated with higher expression of pAkt(Ser-473), pAkt (Thr-308), and pS6 protein in the primary tumor. A higher SUVmax and increased expression of pAkt (Ser-473), pAkt (Thr-308), and pS6 of the primary tumor was associated with less tumor differentiation, a higher pT stage, regional lymph node involvement, microscopic vascular invasion, and distant metastasis, as well as with early relapse following radical nephrectomy in patients who had localized or locally advanced RCC without distant metastasis (cTanyNanyM0) and with shorter overall survival in all patients. Conclusions A higher SUVmax on 18F-FDG PET is associated with elevated tumor levels of pAkt and pS6 protein and with aggressive behavior and metastatic potential of RCC, as well as with early relapse following radical nephrectomy and shorter overall survival. These findings suggest that SUVmax may be useful for predicting the biological characteristics of RCC.
Collapse
Affiliation(s)
- Tomoya Mizuno
- Department of Urology, Dokkyo Medical University, 880 Kitakobayashi Mibu, Tochigi, 321-0293, Japan,
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
45
|
Maeda Y, Kawano Y, Wada Y, Yatsuda J, Motoshima T, Murakami Y, Kikuchi K, Imamura T, Eto M. C5aR is frequently expressed in metastatic renal cell carcinoma and plays a crucial role in cell invasion via the ERK and PI3 kinase pathways. Oncol Rep 2015; 33:1844-50. [PMID: 25682807 DOI: 10.3892/or.2015.3800] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Accepted: 12/19/2014] [Indexed: 12/17/2022] Open
Abstract
The anaphylatoxin C5a is a chemoattractant for leukocyte migration via the C5a receptor (C5aR). We recently reported that C5aR was aberrantly expressed in a wide variety of human related cancers, while it also promotes cancer cell invasion by C5a stimulation. However, the biological significance of C5aR expression in renal cell carcinoma (RCC) has not yet been clarified. In the present study, we aimed to elucidate the biological role of C5aR in RCC progression. Clinical RCC specimens were analyzed for C5aR expression and its relationship with baseline demographic data and clinicopathological parameters was analyzed. Moreover, renal carcinoma Renca cells stably expressing C5aR were generated and used to assess the effects of C5a-C5aR axis activation on various cellular phenomena in culture. Immunohistochemistry revealed that 96.7% of the metastatic RCCs (mRCCs) showed C5aR expression, whereas only 50.5% of the non-metastatic RCCs expressed C5aR (P<0.001). Although C5a stimulation did not significantly alter anoikis of C5aR‑expressing Renca cells, C5a elicited cell morphological change and scattering of those cells accompanied with dynamic actin rearrangement, which was not observed in the Renca cells harboring the empty vector only. Moreover, C5a triggered ERK and PI3K‑dependent invasion of the C5aR-expressing renal carcinoma cells. These results are consistent with the idea that the C5a-C5aR axis plays a crucial role in renal carcinoma cell invasion, which may be one of the key steps for RCC metastasis. The present study provides proof‑of‑concept that the C5a-C5aR axis may be a useful therapeutic target for preventing RCC progression.
Collapse
Affiliation(s)
- Yoshihiro Maeda
- Department of Urology, Faculty of Life Sciences, Kumamoto University, Kumamoto 860‑8556, Japan
| | - Yoshiaki Kawano
- Department of Urology, Faculty of Life Sciences, Kumamoto University, Kumamoto 860‑8556, Japan
| | - Yoshihiro Wada
- Department of Urology, Faculty of Life Sciences, Kumamoto University, Kumamoto 860‑8556, Japan
| | - Junji Yatsuda
- Department of Urology, Faculty of Life Sciences, Kumamoto University, Kumamoto 860‑8556, Japan
| | - Takanobu Motoshima
- Department of Urology, Faculty of Life Sciences, Kumamoto University, Kumamoto 860‑8556, Japan
| | - Yoji Murakami
- Department of Urology, Faculty of Life Sciences, Kumamoto University, Kumamoto 860‑8556, Japan
| | - Ken Kikuchi
- Medical Quality Management Center, Kumamoto University Hospital, Kumamoto 860-0811, Japan
| | - Takahisa Imamura
- Department of Molecular Pathology, Faculty of Life Sciences, Kumamoto University, Kumamoto 860-8556, Japan
| | - Masatoshi Eto
- Department of Urology, Faculty of Life Sciences, Kumamoto University, Kumamoto 860‑8556, Japan
| |
Collapse
|
46
|
Soares HP, Ming M, Mellon M, Young SH, Han L, Sinnet-Smith J, Rozengurt E. Dual PI3K/mTOR Inhibitors Induce Rapid Overactivation of the MEK/ERK Pathway in Human Pancreatic Cancer Cells through Suppression of mTORC2. Mol Cancer Ther 2015; 14:1014-23. [PMID: 25673820 DOI: 10.1158/1535-7163.mct-14-0669] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 01/30/2015] [Indexed: 12/17/2022]
Abstract
The PI3K/AKT/mTOR pathway, which is aberrantly stimulated in many cancer cells, has emerged as a target for therapy. However, mTORC1/S6K also mediates negative feedback loops that attenuate upstream signaling. Suppression of these feedback loops opposes the growth-suppressive effects of mTOR inhibitors and leads to drug resistance. Here, we demonstrate that treatment of PANC-1 or MiaPaCa-2 pancreatic ductal adenocarcinoma (PDAC) cells with the dual PI3K/mTOR kinase inhibitor (PI3K/TOR-KI) BEZ235 blocked mTORC1/S6K activation (scored by S6 phosphorylation at Ser(240/244)), mTORC1/4E-BP1 (assayed by 4E-BP1 phosphorylation at Thr(37/46)), and mTORC2-mediated AKT phosphorylation at Ser(473), in a concentration-dependent manner. Strikingly, BEZ235 markedly enhanced the MEK/ERK pathway in a dose-dependent manner. Maximal ERK overactivation coincided with complete inhibition of phosphorylation of AKT and 4E-BP1. ERK overactivation was induced by other PI3K/TOR-KIs, including PKI-587 and GDC-0980. The MEK inhibitors U126 or PD0325901 prevented ERK overactivation induced by PI3K/TOR-KIs. The combination of BEZ235 and PD0325901 caused a more pronounced inhibition of cell growth than that produced by each inhibitor individually. Mechanistic studies assessing PI3K activity in single PDAC cells indicate that PI3K/TOR-KIs act through a PI3K-independent pathway. Doses of PI3K/TOR-KIs that enhanced MEK/ERK activation coincided with those that inhibited mTORC2-mediated AKT phosphorylation on Ser(473), suggesting a role of mTORC2. Knockdown of RICTOR via transfection of siRNA markedly attenuated the enhancing effect of BEZ235 on ERK phosphorylation. We propose that dual PI3K/mTOR inhibitors suppress a novel negative feedback loop mediated by mTORC2, thereby leading to enhanced MEK/ERK pathway activity in pancreatic cancer cells.
Collapse
Affiliation(s)
- Heloisa P Soares
- Division of Hematology-Oncology, David Geffen School of Medicine, Los Angeles, California
| | - Ming Ming
- Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, Los Angeles, California
| | - Michelle Mellon
- Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, Los Angeles, California
| | - Steven H Young
- Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, Los Angeles, California. CURE: Digestive Diseases Research Center, University of California at Los Angeles, Los Angeles, California
| | - Liang Han
- Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, Los Angeles, California
| | - James Sinnet-Smith
- Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, Los Angeles, California. CURE: Digestive Diseases Research Center, University of California at Los Angeles, Los Angeles, California
| | - Enrique Rozengurt
- Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, Los Angeles, California. CURE: Digestive Diseases Research Center, University of California at Los Angeles, Los Angeles, California. Molecular Biology Institute, University of California at Los Angeles, Los Angeles, California.
| |
Collapse
|
47
|
Abstract
The incidence and mortality from renal cell cancer (RCC) is increasing. RCC tumors are particularly vascular in nature as a result of disruption of the VHL gene and/or its upstream pathway leading to upregulation of the hypoxia-inducible factor transcription factor. The hypoxia-inducible factor pathway drives angiogenesis by upregulating VEGF and bFGF, amongst other proangiogenic downstream target genes. Therapies which target angiogenesis have been successful in treating metastatic RCC (mRCC) and the receptor tyrosine kinase inhibitor, pazopanib, is licensed for first line treatment of mRCC. This review details the past, current and future roles of pazopanib in the treatment of mRCC.
Collapse
Affiliation(s)
- Sarah J Welsh
- Cambridge University Hospitals NHS Foundation Trust, Cambridge, CB2 0QQ, UK
| | | |
Collapse
|
48
|
Abstract
UNLABELLED Although Hodgkin's lymphoma (HL) was one of the first human cancers to be cured by chemotherapy, no new agents other than brentuximab vedotin (Adcetris®, CD 30 directed antibody drug conjugate) have received US Food and Drug Administration (FDA) approval for HL since 1977. Subsets of young adult patients with HL continue to relapse, even after stem cell transplantation, warranting new approaches. Against this background, we report a dramatic response in a young patient with advanced HL refractory to the standard treatment who responded to the combination of a pan-histone deacetylase inhibitor (vorinostat, suberoylanilide hydroxamic acid, SAHA) and mammalian target of rapamycin (mTOR) inhibitor therapy (sirolimus,rapamume). In-depth immunohistochemical and morphoproteomic analyses of this exceptional responder to targeted therapy have yielded potential insights into the biology of advanced HL. The PI3K/AKT/mTOR pathway is a commonly activated pathway in multiple tumor types including HL. The patient was treated using therapy based on mechanistic in vitro data demonstrating that combined histone deacetylase (HDAC) and mTOR inhibition act together on this pathway, resulting in inhibition of reciprocal feedback networks, leading to better anti-proliferative activity. The in vivo response signature from this patient's tissue sample sheds light on immune dysregulation in HL. We describe the response signature achieved from targeting immune dysregulation in addition to targeting the key oncogenic PI3K/AKT/mTOR pathway. We also expand on the role of rapamycin analogs in oncology. This study supports a role for an immune-type pathogenesis that is amenable to immune modulating targeted therapy in refractory HL. SIGNIFICANCE We report an exceptional responder to molecularly targeted and immune modulator therapy in advanced Hodgkin's lymphoma. The morphoproteomic/morphometric findings in this "unusual responder" patient's relapsed HL that correlate best, as a response signature with the subsequent clinical remission following rapamycin (sirolimus) and vorinostat (SAHA) therapies, center on an immune dysregulation involving an imbalance between effector and functional T regulatory cells in addition to targeting the mTOR pathway. This underscores the need for an approach illustrated in our study--namely of focusing on pathogenetic mechanisms and combinatorial therapies that target both the pathogenesis and adaptive responses to contemplated therapies.
Collapse
|
49
|
Kornakiewicz A, Solarek W, Bielecka ZF, Lian F, Szczylik C, Czarnecka AM. Mammalian Target of Rapamycin Inhibitors Resistance Mechanisms in Clear Cell Renal Cell Carcinoma. CURRENT SIGNAL TRANSDUCTION THERAPY 2014; 8:210-218. [PMID: 25152703 PMCID: PMC4141323 DOI: 10.2174/1574362409666140206222746] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Revised: 01/21/2014] [Accepted: 01/29/2014] [Indexed: 11/22/2022]
Abstract
Mammalian target of rapamycin (mTOR) is a kinase protein involved in PI3K/AKT signaling with a central role in the processes of cell growth, survival and angiogenesis. Frequent mutations of this pathway make upstream and downstream components novel targets for tailored therapy design. Two mTOR inhibitors - everolimus and temsirolimus - enable an increase in overall survival (OS) or progression-free survival (PFS) time in a treatment of renal cancer. Despite recent advances in renal cancer treatment, resistance to targeted therapy is common. Understanding of molecular mechanisms is the basis of drug resistance which can facilitate prediction of success or failure in combinational or sequential targeted therapy. The article provides current knowledge on the mTOR signaling network and gives insight into the mechanisms of resistance to mTOR inhibitors from the complex perspective of RCC biology. The mechanisms of resistance developed not only by cancer cells, but also by interactions with tumor microenvironment are analyzed to emphasize the role of angiogenesis in ccRCC pathogenesis. As recent studies have shown the role of PI3K/AKT-mTOR pathway in proliferation and differentiation of cancer stem cells, we discuss cancer stem cell hypothesis and its possible contribution to ccRCC resistance. In the context of drug resistance, we also elaborate on a new approach considering ccRCC as a metabolic disease. In conclusion we speculate on future developments in agents targeting the mTOR pathway taking into consideration the singular biology of ccRCC.
Collapse
Affiliation(s)
- Anna Kornakiewicz
- Oncology Department, Laboratory of Molecular Oncology, Military Institute of Medicine, Warsaw,Poland
- I Faculty of Medicine, Medical University of Warsaw,Poland
- Collegium Invisibile, Warsaw,Poland
| | - Wojciech Solarek
- Oncology Department, Laboratory of Molecular Oncology, Military Institute of Medicine, Warsaw,Poland
- Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warsaw,Poland
| | - Zofia F. Bielecka
- Oncology Department, Laboratory of Molecular Oncology, Military Institute of Medicine, Warsaw,Poland
- Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warsaw,Poland
| | - Fei Lian
- Department of Urology, Emory School of Medicine, Atlanta, GA ,USA
| | - Cezary Szczylik
- Oncology Department, Laboratory of Molecular Oncology, Military Institute of Medicine, Warsaw,Poland
| | - Anna M. Czarnecka
- Oncology Department, Laboratory of Molecular Oncology, Military Institute of Medicine, Warsaw,Poland
| |
Collapse
|
50
|
Sunitinib resistance in renal cell carcinoma. J Kidney Cancer VHL 2014; 1:1-11. [PMID: 28326244 PMCID: PMC5345511 DOI: 10.15586/jkcvhl.2014.7] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Accepted: 04/10/2014] [Indexed: 12/26/2022] Open
Abstract
Of the many targeted therapies introduced since 2006, sunitinib has carved its way to become the most commonly used first-line therapy for the treatment of metastatic renal cell carcinoma (RCC). Despite significant improvements in progression-free survival, 30% of the patients are intrinsically resistant to sunitinib and the remaining 70% who respond initially will eventually become resistant in 6-15 months. While the molecular mechanisms of acquired resistance to sunitinib have been unravelling at a rapid rate, the mechanisms of intrinsic resistance remain elusive. Combination therapy, sunitinib rechallenge and sequential therapy have been investigated as means to overcome resistance to sunitinib. Of these, sequential therapy appears to be the most promising strategy. This mini review summarises our emerging understanding of the molecular mechanisms, and the strategies employed to overcome sunitinib resistance.
Collapse
|