1
|
Zhu J, Ma J, Huang M, Deng H, Shi G. Emerging delivery strategy for oncolytic virotherapy. MOLECULAR THERAPY. ONCOLOGY 2024; 32:200809. [PMID: 38845744 PMCID: PMC11153257 DOI: 10.1016/j.omton.2024.200809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/09/2024]
Abstract
Oncolytic virotherapy represents a promising approach in cancer immunotherapy. The primary delivery method for oncolytic viruses (OVs) is intratumoral injection, which apparently limits their clinical application. For patients with advanced cancer with disseminated metastasis, systemic administration is considered the optimal approach. However, the direct delivery of naked viruses through intravenous injection presents challenges, including rapid clearance by the immune system, inadequate accumulation in tumors, and significant side effects. Consequently, the development of drug delivery strategies has led to the emergence of various bio-materials serving as viral vectors, thereby improving the anti-tumor efficacy of oncolytic virotherapy. This review provides an overview of innovative strategies for delivering OVs, with a focus on nanoparticle-based or cell-based delivery systems. Recent pre-clinical and clinical studies are examined to highlight the enhanced efficacy of systemic delivery using these novel platforms. In addition, prevalent challenges in current research are briefly discussed, and potential solutions are proposed.
Collapse
Affiliation(s)
- Jiao Zhu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
- Division of Thoracic Tumor Multimodality Treatment and Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Jinhu Ma
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Meijuan Huang
- Division of Thoracic Tumor Multimodality Treatment and Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Hongxin Deng
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Gang Shi
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
| |
Collapse
|
2
|
Nikrad JA, Galvin RT, Sheehy MM, Novacek EL, Jacobsen KL, Corbière SM, Beckmann PJ, Jubenville TA, Yamamoto M, Largaespada DA. Conditionally replicative adenovirus as a therapy for malignant peripheral nerve sheath tumors. MOLECULAR THERAPY. ONCOLOGY 2024; 32:200783. [PMID: 38595983 PMCID: PMC10959710 DOI: 10.1016/j.omton.2024.200783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 02/14/2024] [Accepted: 02/26/2024] [Indexed: 04/11/2024]
Abstract
Oncolytic adenoviruses (Ads) stand out as a promising strategy for the targeted infection and lysis of tumor cells, with well-established clinical utility across various malignancies. This study delves into the therapeutic potential of oncolytic Ads in the context of neurofibromatosis type 1 (NF1)-associated malignant peripheral nerve sheath tumors (MPNSTs). Specifically, we evaluate conditionally replicative adenoviruses (CRAds) driven by the cyclooxygenase 2 (COX2) promoter, as selective agents against MPNSTs, demonstrating their preferential targeting of MPNST cells compared with non-malignant Schwann cell control. COX2-driven CRAds, particularly those with modified fiber-knobs exhibit superior binding affinity toward MPNST cells and demonstrate efficient and preferential replication and lysis of MPNST cells, with minimal impact on non-malignant control cells. In vivo experiments involving intratumoral CRAd injections in immunocompromised mice with human MPNST xenografts significantly extend survival and reduce tumor growth rate compared with controls. Moreover, in immunocompetent mouse models with MPNST-like allografts, CRAd injections induce a robust infiltration of CD8+ T cells into the tumor microenvironment (TME), indicating the potential to promote a pro-inflammatory response. These findings underscore oncolytic Ads as promising, selective, and minimally toxic agents for MPNST therapy, warranting further exploration.
Collapse
Affiliation(s)
- Julia A. Nikrad
- Department of Pediatrics, Medical School, University of Minnesota, 420 Delaware Street SE, Mayo Mail Code 484, Minneapolis, MN 55455, USA
| | - Robert T. Galvin
- Department of Pediatrics, Medical School, University of Minnesota, 420 Delaware Street SE, Mayo Mail Code 484, Minneapolis, MN 55455, USA
| | - Mackenzie M. Sheehy
- Department of Pediatrics, Medical School, University of Minnesota, 420 Delaware Street SE, Mayo Mail Code 484, Minneapolis, MN 55455, USA
| | - Ethan L. Novacek
- Department of Pediatrics, Medical School, University of Minnesota, 420 Delaware Street SE, Mayo Mail Code 484, Minneapolis, MN 55455, USA
| | - Kari L. Jacobsen
- Department of Surgery, University of Minnesota, 516 Delaware Street SE, Minneapolis, MN 55455, USA
| | - Stanislas M.A.S. Corbière
- Institute for Research in Immunology and Cancer, Université de Montréal, 2950 Chemin de Polytechnique Marcelle-Coutu Pavilion, Montréal, QC H3T1J4, Canada
| | - Pauline J. Beckmann
- Department of Pediatrics, Medical School, University of Minnesota, 420 Delaware Street SE, Mayo Mail Code 484, Minneapolis, MN 55455, USA
| | - Tyler A. Jubenville
- Department of Pediatrics, Medical School, University of Minnesota, 420 Delaware Street SE, Mayo Mail Code 484, Minneapolis, MN 55455, USA
| | - Masato Yamamoto
- Department of Surgery, University of Minnesota, 516 Delaware Street SE, Minneapolis, MN 55455, USA
- Masonic Cancer Center, University of Minnesota, 420 Delaware Street SE, Minneapolis, MN 55455, USA
| | - David A. Largaespada
- Department of Pediatrics, Medical School, University of Minnesota, 420 Delaware Street SE, Mayo Mail Code 484, Minneapolis, MN 55455, USA
- Masonic Cancer Center, University of Minnesota, 420 Delaware Street SE, Minneapolis, MN 55455, USA
| |
Collapse
|
3
|
Wang M, Li XZ, Zhang MX, Ye QY, Chen YX, Chang X. Atractylenolide-I Sensitizes Triple-Negative Breast Cancer Cells to Paclitaxel by Blocking CTGF Expression and Fibroblast Activation. Front Oncol 2021; 11:738534. [PMID: 34692516 PMCID: PMC8526898 DOI: 10.3389/fonc.2021.738534] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 09/20/2021] [Indexed: 12/18/2022] Open
Abstract
This investigation was conducted to elucidate whether atractylenolide-I (ATL-1), which is the main component of Atractylodes macrocephala Koidz, can sensitize triple-negative breast cancer (TNBC) cells to paclitaxel and investigate the possible mechanism involved. We discovered that ATL-1 could inhibit tumor cell migration and increase the sensitivity of tumor cells to paclitaxel. ATL-1 downregulated the expression and secretion of CTGF in TNBC cells. Apart from inhibiting TNBC cell migration via CTGF, ATL-1 downregulated the expression of CTGF in fibroblasts and decreased the ability of breast cancer cells to transform fibroblasts into cancer-associated fibroblasts (CAFs), which in turn increased the sensitivity of TNBC cells to paclitaxel. In a mouse model, we found that ATL-1 treatments could enhance the chemotherapeutic effect of paclitaxel on tumors and reduce tumor metastasis to the lungs and liver. Primary cultured fibroblasts derived from inoculated tumors in mice treated with ATL-1 combined with paclitaxel expressed relatively low levels of CAF markers. Collectively, our data indicate that ATL-1 can sensitize TNBC cells to paclitaxel by blocking CTGF expression and fibroblast activation and could be helpful in future research to determine the value of ATL-1 in the clinical setting.
Collapse
Affiliation(s)
- Meng Wang
- First Department of Surgery, Panyu Hospital of Chinese Medicine, Guangzhou, China
| | - Xue-Zhen Li
- Department of Breast Surgery, Guangdong Second Hospital of Traditional Chinese Medicine, Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ming-Xing Zhang
- Department of Mammary Disease, Panyu Hospital of Chinese Medicine, Guangzhou, China
| | - Qian-Yu Ye
- Department of Mammary Disease, Panyu Hospital of Chinese Medicine, Guangzhou, China
| | - Ying-Xia Chen
- Department of Mammary Disease, Panyu Hospital of Chinese Medicine, Guangzhou, China
| | - Xu Chang
- Department of Mammary Disease, Panyu Hospital of Chinese Medicine, Guangzhou, China
| |
Collapse
|
4
|
Li Y, Shen Y, Zhao R, Samudio I, Jia W, Bai X, Liang T. Oncolytic virotherapy in hepato-bilio-pancreatic cancer: The key to breaking the log jam? Cancer Med 2020; 9:2943-2959. [PMID: 32130786 PMCID: PMC7196045 DOI: 10.1002/cam4.2949] [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: 12/14/2019] [Revised: 02/13/2020] [Accepted: 02/14/2020] [Indexed: 02/07/2023] Open
Abstract
Traditional therapies have limited efficacy in hepatocellular carcinoma, pancreatic cancer, and biliary tract cancer, especially for advanced and refractory cancers. Through a deeper understanding of antitumor immunity and the tumor microenvironment, novel immunotherapies are becoming available for cancer treatment. Oncolytic virus (OV) therapy is an emerging type of immunotherapy that has demonstrated effective antitumor efficacy in many preclinical studies and clinical studies. Thus, it may represent a potential feasible treatment for hard to treat gastrointestinal (GI) tumors. Here, we summarize the research progress of OV therapy for the treatment of hepato-bilio-pancreatic cancers. In general, most OV therapies exhibits potent, specific oncolysis both in cell lines in vitro and the animal models in vivo. Currently, several clinical trials have suggested that OV therapy may also be effective in patients with refractory hepato-bilio-pancreatic cancer. Multiple strategies such as introducing immunostimulatory genes, modifying virus capsid and combining various other therapeutic modalities have been shown enhanced specific oncolysis and synergistic anti-cancer immune stimulation. Combining OV with other antitumor therapies may become a more effective strategy than using virus alone. Nevertheless, more studies are needed to better understand the mechanisms underlying the therapeutic effects of OV, and to design appropriate dosing and combination strategies.
Collapse
Affiliation(s)
- Yuwei Li
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Zhejiang Provincial Key Laboratory of Pancreatic Disease, Hangzhou, China.,Innovation Center for the study of Pancreatic Diseases, Hangzhou, China
| | - Yinan Shen
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Zhejiang Provincial Key Laboratory of Pancreatic Disease, Hangzhou, China.,Innovation Center for the study of Pancreatic Diseases, Hangzhou, China
| | | | | | - William Jia
- Virogin Biotech Canada Ltd, Vancouver, Canada
| | - Xueli Bai
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Zhejiang Provincial Key Laboratory of Pancreatic Disease, Hangzhou, China.,Innovation Center for the study of Pancreatic Diseases, Hangzhou, China
| | - Tingbo Liang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Zhejiang Provincial Key Laboratory of Pancreatic Disease, Hangzhou, China.,Innovation Center for the study of Pancreatic Diseases, Hangzhou, China
| |
Collapse
|
5
|
Tenneti P, Borad MJ, Babiker HM. Exploring the role of oncolytic viruses in hepatobiliary cancers. Immunotherapy 2018; 10:971-986. [PMID: 29900755 DOI: 10.2217/imt-2018-0048] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
The standard of care for early hepatobiliary cancers (HBC) includes surgical resection. Liver transplantations or locoregional therapies are beneficial in early hepatocellular carcinoma (HCC) under certain circumstances. Systemic treatments have some benefit in advanced HBC, though long-term prognosis remains poor. We evaluated the role of oncolytic viruses in the treatment of HBCs through a systematic literature review. The recombinant vaccinia virus JX-594 improved median survival in patients with local/metastatic HCC more strongly at high dose than at low dose (14.1 vs 6.7 months; p = 0.08) in a Phase II study. A Phase III study with JX-594 and sorafenib in advanced HCC is ongoing. No survival benefit in HCC was seen with two other recombinant adenoviruses (Ad-TK and DL1520). Several preclinical trials using oncolytic viruses in HBC showed promising results, warranting clinical studies.
Collapse
Affiliation(s)
- Pavan Tenneti
- Assistant Professor of Medicine, Department of Medicine, Banner University Medical Center, Tucson, AZ 85721, USA
| | - Mitesh J Borad
- Associate Professor of Medicine, Department of Medicine, Hematology & Oncology division, Mayo Clinic, Scottsdale, AZ 85205, USA
| | - Hani M Babiker
- Assistant Professor of Medicine, Department of Medicine, Hematology & Oncology division, University of Arizona, Tucson, AZ 85721, USA
| |
Collapse
|
6
|
Yokoda R, Nagalo BM, Arora M, Egan JB, Bogenberger JM, DeLeon TT, Zhou Y, Ahn DH, Borad MJ. Oncolytic virotherapy in upper gastrointestinal tract cancers. Oncolytic Virother 2018; 7:13-24. [PMID: 29616200 PMCID: PMC5870634 DOI: 10.2147/ov.s161397] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Upper gastrointestinal tract malignancies are among the most challenging cancers with regard to response to treatment and prognosis. Cancers of the esophagus, stomach, pancreas, liver, and biliary tree have dismal 5-year survival, and very modest improvements in this rate have been made in recent times. Oncolytic viruses are being developed to address these malignancies, with a focus on high safety profiles and low off-target toxicities. Each viral platform has evolved to enhance oncolytic potency and the clinical response to either single-agent viral therapy or combined viral treatment with radiotherapy and chemotherapy. A panel of genomic alterations, chimeric proteins, and pseudotyped capsids are the breakthroughs for vector success. This article revisits developments for each viral platform to each tumor type, in an attempt to achieve maximum tumor selectivity. From the bench to clinical trials, the scope of this review is to highlight the beginnings of translational oncolytic virotherapy research in upper gastrointestinal tract malignancies and provide a bioengineering perspective of the most promising platforms.
Collapse
Affiliation(s)
- Raquel Yokoda
- Division of Hematology/Oncology, Department of Medicine, Mayo Clinic, Scottsdale, AZ
| | - Bolni M Nagalo
- Division of Hematology/Oncology, Department of Medicine, Mayo Clinic, Scottsdale, AZ
| | - Mansi Arora
- Division of Hematology/Oncology, Department of Medicine, Mayo Clinic, Scottsdale, AZ
| | - Jan B Egan
- Division of Hematology/Oncology, Department of Medicine, Mayo Clinic, Scottsdale, AZ
| | - James M Bogenberger
- Division of Hematology/Oncology, Department of Medicine, Mayo Clinic, Scottsdale, AZ
| | - Thomas T DeLeon
- Division of Hematology/Oncology, Department of Medicine, Mayo Clinic, Scottsdale, AZ
| | - Yumei Zhou
- Division of Hematology/Oncology, Department of Medicine, Mayo Clinic, Scottsdale, AZ
| | - Daniel H Ahn
- Division of Hematology/Oncology, Department of Medicine, Mayo Clinic, Scottsdale, AZ
| | - Mitesh J Borad
- Division of Hematology/Oncology, Department of Medicine, Mayo Clinic, Scottsdale, AZ.,Department of Molecular Medicine, Center for Individualized Medicine, Mayo Clinic, Rochester, MN.,Department of Oncology, Mayo Clinic Cancer Center, Phoenix, AZ, USA
| |
Collapse
|
7
|
Chira S, Jackson CS, Oprea I, Ozturk F, Pepper MS, Diaconu I, Braicu C, Raduly LZ, Calin GA, Berindan-Neagoe I. Progresses towards safe and efficient gene therapy vectors. Oncotarget 2016; 6:30675-703. [PMID: 26362400 PMCID: PMC4741561 DOI: 10.18632/oncotarget.5169] [Citation(s) in RCA: 134] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 08/22/2015] [Indexed: 12/11/2022] Open
Abstract
The emergence of genetic engineering at the beginning of the 1970′s opened the era of biomedical technologies, which aims to improve human health using genetic manipulation techniques in a clinical context. Gene therapy represents an innovating and appealing strategy for treatment of human diseases, which utilizes vehicles or vectors for delivering therapeutic genes into the patients' body. However, a few past unsuccessful events that negatively marked the beginning of gene therapy resulted in the need for further studies regarding the design and biology of gene therapy vectors, so that this innovating treatment approach can successfully move from bench to bedside. In this paper, we review the major gene delivery vectors and recent improvements made in their design meant to overcome the issues that commonly arise with the use of gene therapy vectors. At the end of the manuscript, we summarized the main advantages and disadvantages of common gene therapy vectors and we discuss possible future directions for potential therapeutic vectors.
Collapse
Affiliation(s)
- Sergiu Chira
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, University of Medicine and Pharmacy "Iuliu Haţieganu", Cluj Napoca, Romania
| | - Carlo S Jackson
- Department of Immunology and Institute for Cellular and Molecular Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Iulian Oprea
- Department of Oncology and Pathology, Cancer Center Karolinska, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Ferhat Ozturk
- Department of Molecular Biology and Genetics, Canik Başari University, Samsun, Turkey
| | - Michael S Pepper
- Department of Immunology and Institute for Cellular and Molecular Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | | | - Cornelia Braicu
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, University of Medicine and Pharmacy "Iuliu Haţieganu", Cluj Napoca, Romania
| | - Lajos-Zsolt Raduly
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, University of Medicine and Pharmacy "Iuliu Haţieganu", Cluj Napoca, Romania.,Department of Physiopathology, Faculty of Veterinary Medicine, University of Agricultural Science and Veterinary Medicine, Cluj Napoca, Romania
| | - George A Calin
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ioana Berindan-Neagoe
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, University of Medicine and Pharmacy "Iuliu Haţieganu", Cluj Napoca, Romania.,Department of Immunology, University of Medicine and Pharmacy "Iuliu Haţieganu", Cluj Napoca, Romania.,Department of Functional Genomics and Experimental Pathology, Oncological Institute "Prof. Dr. Ion Chiricuţă", Cluj Napoca, Romania.,Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| |
Collapse
|
8
|
Arg-Gly-Asp (RGD)-Modified E1A/E1B Double Mutant Adenovirus Enhances Antitumor Activity in Prostate Cancer Cells In Vitro and in Mice. PLoS One 2016; 11:e0147173. [PMID: 26799485 PMCID: PMC4723068 DOI: 10.1371/journal.pone.0147173] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2015] [Accepted: 12/30/2015] [Indexed: 12/04/2022] Open
Abstract
CAR is a transmembrane protein that is expressed in various epithelial and endothelial cells. CAR mediates adenoviral infection, as well as adenovirus-mediated oncolysis of AxdAdB-3, an E1A/E1B double-restricted oncolytic adenovirus, in prostate cancer cells. This study further assessed the therapeutic efficacy of AxdAdB-3 with Arg-Gly-Asp (RGD)-fiber modification (AxdAdB3-F/RGD), which enables integrin-dependent infection, in prostate cancer. Susceptibility of prostate cancer cells LNCaP, PC3, and DU145 to adenovirus infection was associated with CAR expression. All of the prostate cancer cell lines expressed integrin αvβ3 and αvβ5. AxdAdB-3 was more cytopathic in CAR-positive prostate cancer cells than in CAR-negative cells, whereas AxdAdB3-F/RGD caused potent oncolysis in both CAR-positive and CAR-negative prostate cancer cells. In contrast, AxdAdB3-F/RGD was not cytopathic against normal prostate epithelial cells, RWPE-1. Intratumoral injection of AxdAdB3-F/RGD into CAR-negative prostate cancer cell xenografts in nude mice inhibited tumor growth. The current study demonstrates that E1A/E1B double-restricted oncolytic adenovirus with an RGD-fiber modification enhances infection efficiency and anti-tumor activity in CAR-deficient prostate cancer cells, while sparing normal cells. Future studies will evaluate the therapeutic potential of AxdAdB3-F/RGD in prostate cancer.
Collapse
|
9
|
Yang Y, Xu H, Shen J, Yang Y, Wu S, Xiao J, Xu Y, Liu XY, Chu L. RGD-modifided oncolytic adenovirus exhibited potent cytotoxic effect on CAR-negative bladder cancer-initiating cells. Cell Death Dis 2015; 6:e1760. [PMID: 25973680 PMCID: PMC4669706 DOI: 10.1038/cddis.2015.128] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Revised: 04/02/2015] [Accepted: 04/06/2015] [Indexed: 11/21/2022]
Abstract
Cancer-initiating cell (CIC) is critical in cancer development, maintenance and recurrence. The reverse expression pattern of coxsackie and adenovirus receptor (CAR) and αν integrin in bladder cancer decreases the infection efficiency of adenovirus. We constructed Arg-Gly-Asp (RGD)-modified oncolytic adenovirus, carrying EGFP or TNF-related apoptosis-inducing ligand (TRAIL) gene (OncoAd.RGD-hTERT-EGFP/TRAIL), and applied them to CAR-negative bladder cancer T24 cells and cancer-initiating T24 sphere cells. OncoAd.RGD-hTERT-EGFP had enhanced infection ability and cytotoxic effect on T24 cells and T24 sphere cells, but little cytoxicity on normal urothelial SV-HUC-1 cells compared with the unmodified virus OncoAd.hTERT-EGFP. Notably, OncoAd.RGD-hTERT-TRAIL induced apoptosis in T24 cells and T24 sphere cells. Furthermore, it completely inhibited xenograft initiation established by the oncolytic adenovirus-pretreated T24 sphere cells, and significantly suppressed tumor growth by intratumoral injection. These results provided a promising therapeutic strategy for CAR-negative bladder cancer through targeting CICs.
Collapse
Affiliation(s)
- Y Yang
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - H Xu
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - J Shen
- Xinyuan Institute of Medicine and Biotechnology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Y Yang
- Xinyuan Institute of Medicine and Biotechnology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - S Wu
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - J Xiao
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Y Xu
- College of Life Sciences, Northwest Agriculture and Forestry University, Yanglin 712100, China
| | - X-Y Liu
- 1] State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China [2] Xinyuan Institute of Medicine and Biotechnology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - L Chu
- 1] State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China [2] Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Cancer Institute, Xuzhou Medical College, Xuzhou, Jiangsu 221002, China
| |
Collapse
|
10
|
Janik ME, Lityńska A, Przybyło M. Studies on primary uveal and cutaneous melanoma cell interaction with vitronectin. Cell Biol Int 2014; 38:942-52. [PMID: 24687613 DOI: 10.1002/cbin.10280] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2013] [Accepted: 03/20/2014] [Indexed: 12/11/2022]
Abstract
We have examined the diversity between primary uveal (92-1 and Mel202) and cutaneous (FM55P and IGR-39) melanoma cells in their interaction with vitronectin, and established the effect of integrins and β1,6-branched N-oligosaccharides on this process. The adhesion level of uveal melanoma cells to vitronectin was at least twice lower than that of cutaneous ones, but all cells tested repaired scratch wounds on vitronectin-coated surfaces with similar speed. Swainsonine treatment, by reducing the amount of β1,6-branches, significantly decreased cell attachment in all cases, but reduction of wound healing efficiency was compromised only in cutaneous melanoma cell. Functional blocking antibodies used in adhesion and migration assays revealed that integrin αvβ3 was strongly involved in adhesion and migration only in cutaneous melanoma cells, but its role here was less pronounced than that of integrin αvβ5. However, in uveal melanoma the specific anti-αvβ5 integrin antibody had no impact on migration speed. Therefore, the anti-α3β1 integrin antibody was used in order to explain the nature of uveal melanoma interaction with vitronectin, which caused a mild decrease in adhesion efficiency and reduced their motility. Expression of αvβ5 integrin differed between the cell lines, but there was no distinct pattern to distinguish uveal melanoma from cutaneous melanoma. In conclusion, αvβ5, but not αvβ3 integrin is heavily involved in uveal melanoma cell interaction with vitronectin. The role of β1,6-branched N-glycans in the adhesion, but not during migration, of all cells to vitronectin has been confirmed.
Collapse
Affiliation(s)
- Marcelina Elżbieta Janik
- Department of Glycoconjugate Biochemistry, Institute of Zoology, Jagiellonian University, 30-387, Kraków, ul. Gronostajowa 9, Poland
| | | | | |
Collapse
|
11
|
Li G, Li X, Wu H, Yang X, Zhang Y, Chen L, Wu X, Cui L, Wu L, Luo J, Liu XY. CD123 targeting oncolytic adenoviruses suppress acute myeloid leukemia cell proliferation in vitro and in vivo. Blood Cancer J 2014; 4:e194. [PMID: 24658372 PMCID: PMC3972701 DOI: 10.1038/bcj.2014.15] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Accepted: 02/14/2014] [Indexed: 12/21/2022] Open
Abstract
We report here a novel strategy to redirect oncolytic adenoviruses to CD123 by carry a soluble coxsackie-adenovirus receptor (sCAR)-IL3 expression cassette in the viral genome to form Ad.IL3, which sustainably infected acute myeloid leukemia (AML) cells through CD123. Ad.IL3 was further engineered to harbor gene encoding manganese superoxide dismutase (MnSOD) or mannose-binding plant lectin Pinellia pedatisecta agglutinin (PPA), forming Ad.IL3-MnSOD and Ad.IL3-PPA. As compared with Ad.IL3 or Ad.sp-E1A control, Ad.IL3-MnSOD and Ad.IL3-PPA significantly suppressed in vitro proliferation of HL60 and KG-1 cells. Elevated apoptosis was detected in HL60 and KG-1 cells treated with either Ad.IL3-MnSOD or Ad.IL3-PPA. The caspase-9–caspase-7 pathway was determined to be activated by Ad.IL3-MnSOD as well as by Ad.IL3-PPA in HL60 cells. In an HL60/Luc xenograft nonobese diabetic/severe-combined immunodeficiency mice model, Ad.IL3-MnSOD and Ad.IL3-PPA suppressed cancer cell growth as compared with Ad.IL3. A significant difference of cancer cell burden was detected between Ad.IL3 and Ad.IL3-PPA groups at day 9 after treatment. Furthermore, Ad.IL3-MnSOD significantly prolonged mouse survival as compared with Ad.sp-E1A. These findings demonstrated that Ad.IL3-gene could serve as a novel agent for AML therapy. Harboring sCAR-ligand expression cassette in the viral genome may provide a universal method to redirect oncolytic adenoviruses to various membrane receptors on cancer cells resisting serotype 5 adenovirus infection.
Collapse
Affiliation(s)
- G Li
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - X Li
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - H Wu
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - X Yang
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - Y Zhang
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - L Chen
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - X Wu
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - L Cui
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - L Wu
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - J Luo
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - X Y Liu
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| |
Collapse
|
12
|
Wang H, Cai Z, Yang F, Luo J, Satoh M, Arai Y, Li D. Enhanced antitumor efficacy of integrin-targeted oncolytic adenovirus AxdAdB3-F/RGD on bladder cancer. Urology 2013; 83:508.e13-9. [PMID: 24315309 DOI: 10.1016/j.urology.2013.10.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2013] [Revised: 09/24/2013] [Accepted: 10/18/2013] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To evaluate the therapeutic efficacy of AxdAdB-3 with Arg-Gly-Asp (RGD)-fiber modification (AxdAdB3-F/RGD), which enables integrin-dependent infection in bladder cancers. METHODS Flow cytometric analysis was applied to evaluated adenovirus-mediated gene transduction into various cells. The cytopathic effects of AxdAdB3-F/RGD were evaluated in bladder cancer cell lines and a normal bladder mucosa-derived cell line (HCV29) with AxCAZ3-F/RGD (control) or AxdAdB-3. The efficacy of bladder instillation therapy with AxdAdB3-F/RGD for orthotopic bladder cancer was investigated in nude mice. RESULTS Expression of coxsackievirus adenovirus receptor (CAR) and integrins (αvβ3 and αvβ5) vary in different bladder cancer cell lines. The susceptibility of various cell lines to adenovirus was associated with the expression of CAR. AxdAdB-3 was more cytopathic in CAR-positive bladder cancer cells than in CAR-negative cells, whereas AxdAdB3-F/RGD caused effective oncolysis in both CAR-positive and CAR-negative bladder cancer cells. AxdAdB3-F/RGD was not cytotoxic to HCV29 cells. Direct instillation of AxdAdB3-F/RGD into the bladder of the orthotopic model, established by CAR-deficient human bladder cancer cells, inhibited tumor growth and led to significantly elongated survival. CONCLUSION E1A and E1B double-restricted oncolytic adenovirus with RGD fiber modification has enhanced infectivity and oncolytic effects to CAR-deficient bladder cancers, suggesting the therapeutic potential of AxdAdB3-F/RGD for bladder cancers.
Collapse
Affiliation(s)
- Hua Wang
- Department of Urology, Zhejiang Cancer Hospital, Hangzhou, China.
| | - Zhijian Cai
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, China
| | - Fei Yang
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, China
| | - Juan Luo
- Department of Pathology, Zhejiang Cancer Hospital, Hangzhou, China
| | - Makoto Satoh
- Department of Urology, Sen-en General Hospital, Tagajo, Miyagi, Japan
| | - Yoichi Arai
- Department of Urology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Dechuan Li
- Department of Urology, Zhejiang Cancer Hospital, Hangzhou, China
| |
Collapse
|
13
|
Fang L, Cheng Q, Bai J, Qi YD, Liu JJ, Li LT, Zheng JN. An oncolytic adenovirus expressing interleukin-24 enhances antitumor activities in combination with paclitaxel in breast cancer cells. Mol Med Rep 2013; 8:1416-24. [PMID: 24042845 DOI: 10.3892/mmr.2013.1680] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2013] [Accepted: 08/21/2013] [Indexed: 11/06/2022] Open
Abstract
Oncolytic adenoviruses are a novel class of anticancer treatment, based upon their ability to replicate selectively within malignant cells resulting in cell lysis. The replication‑selective adenovirus, ZD55‑IL‑24, was constructed by harboring an E1B‑55 kDa deletion and arming with interleukin-24 (IL-24). The microtubule‑stabilizing drug paclitaxel (PTX) exhibits activity in relapsed cancer. In the present study, the synergistic antitumor effects of the combination of PTX and ZD55‑IL‑24 on breast cancer cells was investigated. The results demonstrated that there were different roles for PTX in the expression of transgenic mRNA and protein. ZD55‑IL‑24 combined with PTX induced marked growth inhibition of MDA‑MB‑231 and Bcap‑37 cells. PTX increased viral uptake and appeared not to alter the replication of ZD55‑IL‑24 in breast cancer cells. Annexin V‑fluorescein isothiocyanate/propidium iodide staining and the Hoechst 33258 assay indicated that ZD55‑IL‑24 induced an increase in the number of apoptotic cells when administered in combination with PTX. It was demonstrated that ZD55‑IL‑24 conjugated with PTX was highly concomitant, and increased proapoptotic proteins levels, activated caspase‑3, -7 and -9 and downregulated anti‑apoptotic proteins. These results suggested that ZD55‑IL‑24 in combination with PTX exhibited a markedly increased cytotoxic and apoptosis‑inducing effect in breast cancer cells. Thus, this chemo‑gene‑viro therapeutic strategy was demonstrated to be superior to conventional chemotherapy or gene‑viro therapy alone.
Collapse
Affiliation(s)
- Lin Fang
- Jiangsu Key Laboratory of Biological Cancer Therapy, Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
| | | | | | | | | | | | | |
Collapse
|
14
|
Hasegawa N, Abei M, Yokoyama KK, Fukuda K, Seo E, Kawashima R, Nakano Y, Yamada T, Nakade K, Hamada H, Obata Y, Hyodo I. Cyclophosphamide enhances antitumor efficacy of oncolytic adenovirus expressing uracil phosphoribosyltransferase (UPRT) in immunocompetent Syrian hamsters. Int J Cancer 2013; 133:1479-88. [PMID: 23444104 DOI: 10.1002/ijc.28132] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2012] [Accepted: 02/07/2013] [Indexed: 12/16/2022]
Abstract
Oncolytic viruses (OVs) are novel cancer therapeutics with great promise, but host antiviral immunity represents the hurdle for their efficacy. Immunosuppression by cyclophosphamide (CP) has thus been shown to enhance the oncolytic efficacy of many OVs, but its effects on OVs armed with therapeutic genes remain unknown. We have previously reported on the efficacy of AxE1CAUP, an oncolytic adenovirus (OAd) expressing uracil phosphoribosyltransferase (UPRT), an enzyme that markedly enhanced the toxicity of 5-fluorouracil (5-FU), in immunodeficient, Ad-nonpermissive nude mice. Here we explored the efficacy and safety of intratumoral (i.t.) AxE1CAUP/5-FU therapy and of its combination with CP for syngenic HaP-T1 pancreatic cancers in immunocompetent, Ad-permissive Syrian hamsters. AxE1CAUP infected, replicated, expressed UPRT, and increased the sensitivity to 5-FU in HaP-T1 cells in vitro. I.t. AxE1CAUP/5-FU treatment inhibited the growth of subcutaneous HaP-T1 allografts. The combination with high-dose CP inhibited serum Ad-neutralizing antibody formation, increased intratumoral AxE1CAUP replication and UPRT expression, and resulted in further enhanced therapeutic effects with 5-FU. Neither body weight nor histology of the liver and lung changed during these treatments. A clinically-approved, intermediate-dose CP also enhanced the efficacy of i.t. AxE1CAUP/5-FU treatment in these hamsters, which was not affected by preexisting immunity to the vector. These data demonstrate the excellent antitumor efficacy and safety of an OAd armed with a suicide gene in combination with CP for treating syngenic tumors in immunocompetent, Ad-permissive animals, indicating the efficacy of CP in overcoming the hurdle of antiviral immunity for effective OV-mediated gene therapy.
Collapse
Affiliation(s)
- Naoyuki Hasegawa
- Division of Gastroenterology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
15
|
Pesonen S, Diaconu I, Cerullo V, Escutenaire S, Raki M, Kangasniemi L, Nokisalmi P, Dotti G, Guse K, Laasonen L, Partanen K, Karli E, Haavisto E, Oksanen M, Karioja-Kallio A, Hannuksela P, Holm SL, Kauppinen S, Joensuu T, Kanerva A, Hemminki A. Integrin targeted oncolytic adenoviruses Ad5-D24-RGD and Ad5-RGD-D24-GMCSF for treatment of patients with advanced chemotherapy refractory solid tumors. Int J Cancer 2011; 130:1937-47. [PMID: 21630267 DOI: 10.1002/ijc.26216] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2010] [Accepted: 05/09/2011] [Indexed: 01/06/2023]
Abstract
The safety of oncolytic viruses for treatment of cancer has been shown in clinical trials while antitumor efficacy has often remained modest. As expression of the coxsackie-adenovirus receptor may be variable in advanced tumors, we developed Ad5-D24-RGD, a p16/Rb pathway selective oncolytic adenovirus featuring RGD-4C modification of the fiber. This allows viral entry through alpha-v-beta integrins frequently highly expressed in advanced tumors. Advanced tumors are often immunosuppressive which results in lack of tumor eradication despite abnormal epitopes being present. Granulocyte-macrophage colony stimulating factor (GMCSF) is a potent activator of immune system with established antitumor properties. To stimulate antitumor immunity and break tumor associated immunotolerance, we constructed Ad5-RGD-D24-GMCSF, featuring GMCSF controlled by the adenoviral E3 promoter. Preliminary safety of Ad5-D24-RGD and Ad5-RGD-D24-GMCSF for treatment of human cancer was established. Treatments with Ad5-D24-RGD (N = 9) and Ad5-RGD-D24-GMCSF (N = 7) were well tolerated. Typical side effects were grade 1-2 fatigue, fever and injection site pain. 77% (10/13) of evaluable patients showed virus in circulation for at least 2 weeks. In 3 out of 6 evaluable patients, disease previously progressing stabilized after a single treatment with Ad5-RGD-D24-GMCSF. In addition, 2/3 patients had stabilization or reduction in tumor marker levels. All patients treated with Ad5-D24-RGD showed disease progression in radiological analysis, although 3/6 had temporary reduction or stabilization of marker levels. Induction of tumor and adenovirus specific immunity was demonstrated with ELISPOT in Ad5-RGD-D24-GMCSF treated patients. RGD modified oncolytic adenoviruses with or without GMCSF seem safe for further clinical development.
Collapse
Affiliation(s)
- Sari Pesonen
- Cancer Gene Therapy Group, Transplantation Laboratory, Haartman Institute and Finnish Institute of Molecular Medicine, University of Helsinki, Helsinki, Finland
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
16
|
Viral delivery for gene therapy against cell movement in cancer. Adv Drug Deliv Rev 2011; 63:671-7. [PMID: 21616108 DOI: 10.1016/j.addr.2011.05.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Revised: 04/15/2011] [Accepted: 05/07/2011] [Indexed: 12/17/2022]
Abstract
Viral delivery for cancer gene therapy is a promising approach, where traditional radiotherapy or chemotherapy to limit proliferation and movement of cancer cells has met resistance. Based on the new understanding of the biology of the viral vectors, therapeutic viral vectors for cancer gene therapy have been improved for greater safety and efficacy as well as transitioned from being non-replicating to replication-competent. Traditional oncolytic vectors have focused on eliminating tumor growth, while novel vectors simultaneously target epithelial-to-mesenchymal transition (EMT) in cancer cells, which could further prevent and reverse the aggressive tumor progression. In this review, we highlight the illustrative examples of cancer gene therapy in clinical trials as well as preclinical data and include proposals on methods to further enhance the safety and efficacy of oncolytic viral vectors in cancer gene therapy.
Collapse
|
17
|
Shan L, Xue J, Guo J, Qian Z, Achilefu S, Gu Y. Improved targeting of ligand-modified adenovirus as a new near infrared fluorescence tumor imaging probe. Bioconjug Chem 2011; 22:567-81. [PMID: 21401110 DOI: 10.1021/bc100245t] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
E1/E3-deleted Adenovirus 5 (Ad.5) possesses a great potential in gene therapy because of its high efficacy in gene transfer and low toxicity. Studies have shown that Coxsackie-Adenovirus receptor (CAR) is the determinant factor for the targeting of Adenovirus vectors. To extend the natural targeting of Ad to low CAR expressing tumors, we covalently attached folic acid (FA) to E1/E3-deleted Ad.5 capsids. Near-infrared (NIR) fluorescent dye ICG-Der-02 was subsequently conjugated with FA-Ad particles for in vivo imaging. The cell experiments and acute toxicity studies demonstrated the low toxicity of FA-Ad-ICG02 to normal cell/tissues. The dynamic behavior and targeting ability of FA-Ad-ICG02 to different tumors were investigated by NIR fluorescence imaging. In vitro and in vivo studies demonstrated its high targeting capability to CAR or FR positive tumors. The results support the potential of using ligand-modified Ad probe for tumor diagnosis and targeted therapy.
Collapse
Affiliation(s)
- Lingling Shan
- Department of Biomedical Engineering, School of Life Science and Technology, China Pharmaceutical University , Nanjing 210009, China
| | | | | | | | | | | |
Collapse
|
18
|
Kawashima R, Abei M, Fukuda K, Nakamura K, Murata T, Wakayama M, Seo E, Hasegawa N, Mizuguchi H, Obata Y, Hyodo I, Hamada H, Yokoyama KK. EpCAM- and EGFR-targeted selective gene therapy for biliary cancers using Z33-fiber-modified adenovirus. Int J Cancer 2011; 129:1244-53. [PMID: 21710497 DOI: 10.1002/ijc.25758] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2010] [Accepted: 09/08/2010] [Indexed: 12/14/2022]
Abstract
A critical issue in adenovirus (Ad)-based cancer gene therapy is to improve the specificity of gene delivery to cancer cells for better efficacy and safety. We explored methods of retargeting Ad vectors for selective gene therapy of human biliary cancers using the Ad incorporating an IgG Fc-binding motif (Z33) from the Staphylococcus protein A (Ad-FZ33) combined with tumor-specific antibodies. Flow cytometry analysis revealed high-expression levels of epithelial cell adhesion molecule (EpCAM) and epidermal growth factor receptor (EGFR) on human biliary cancer cells. Ad-FZ33 expressing LacZ combined with antibodies against EpCAM or EGFR, followed by β-gal assay, demonstrated highly efficient gene transduction in these biliary cancer cells, compared to the treatment with control antibody or without antibody. Ad-FZ33 expressing uracil phosphoribosyl transferase (UPRT), an enzyme which greatly enhances the toxicity of 5-fluorouracil (FU), combined with antibodies against EpCAM or EGFR, remarkably enhanced the sensitivity of biliary cancer cells to 5-FU. By contrast, the treatment did not affect the 5-FU sensitivity of the cells not expressing EpCAM or EGFR including normal hepatocytes. Finally, treatments with the UPRT-expressing Ad-FZ33 with antibodies against EpCAM or EGFR, followed by 5-FU administration, significantly suppressed the growth of biliary cancer xenografts in nude mice. These results indicate that the gene therapy mediated by the Z33 fiber modified Ad with anti-EpCAM or anti-EGFR antibodies offers a potentially effective therapeutic modality against biliary cancers.
Collapse
Affiliation(s)
- Rei Kawashima
- Division of Gastroenterology, University of Tsukuba Graduate School of Comprehensive Human Sciences, Tsukuba, Ibaraki 305-8575, Japan
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
19
|
Zannetti A, Del Vecchio S, Iommelli F, Del Gatto A, De Luca S, Zaccaro L, Papaccioli A, Sommella J, Panico M, Speranza A, Grieco P, Novellino E, Saviano M, Pedone C, Salvatore M. Imaging of alpha(v)beta(3) expression by a bifunctional chimeric RGD peptide not cross-reacting with alpha(v)beta(5). Clin Cancer Res 2009; 15:5224-33. [PMID: 19671851 DOI: 10.1158/1078-0432.ccr-08-3270] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE To test whether a novel bifunctional chimeric peptide comprising a cyclic Arg-Gly-Asp pentapeptide covalently bound to an echistatin domain can discriminate alpha(v)beta(3) from alpha(v)beta(5) integrin, thus allowing the in vivo selective visualization of alpha(v)beta(3) expression by single-photon and positron emission tomography (PET) imaging. EXPERIMENTAL DESIGN The chimeric peptide was preliminarily tested for inhibition of alpha(v)beta(3)-dependent cell adhesion and competition of 125I-echistatin binding to membrane of stably transfected K562 cells expressing alpha(v)beta(3) (Kalpha(v)beta(3)) or alpha(v)beta(5) (Kalpha(v)beta(5)) integrin. The chimeric peptide was then conjugated with diethylenetriaminepentaacetic acid and labeled with 111In for single-photon imaging, whereas a one-step procedure was used for labeling the full-length peptide and a truncated derivative, lacking the last five C-terminal amino acids, with 18F for PET imaging. Nude mice bearing tumors from Kalpha(v)beta(3), Kalpha(v)beta(5), U87MG human glioblastoma, and A431 human epidermoid cells were subjected to single-photon and PET imaging. RESULTS Adhesion and competitive binding assays showed that the novel chimeric peptide selectively binds to alpha(v)beta(3) integrin and does not cross-react with alpha(v)beta(5). In agreement with in vitro findings, single-photon and PET imaging studies showed that the radiolabeled chimeric peptide selectively localizes in tumor xenografts expressing alphavbeta3 and fails to accumulate in those expressing alpha(v)beta(5) integrin. When 18F-labeled truncated derivative was used for PET imaging, alphavbeta3- and alpha(v)beta(5)-expressing tumors were visualized, indicating that the five C-terminal amino acids are required to differentially bind the two integrins. CONCLUSION Our findings indicate that the novel chimeric Arg-Gly-Asp peptide, having no cross-reaction with alphavbeta5 integrin, allows highly selective alphavbeta3 expression imaging and monitoring.
Collapse
Affiliation(s)
- Antonella Zannetti
- Institute of Biostructures and Bioimages, National Research Council, Naples, Italy
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
20
|
Lasaro MO, Ertl HCJ. New insights on adenovirus as vaccine vectors. Mol Ther 2009; 17:1333-9. [PMID: 19513019 PMCID: PMC2835230 DOI: 10.1038/mt.2009.130] [Citation(s) in RCA: 195] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2009] [Accepted: 05/20/2009] [Indexed: 12/15/2022] Open
Abstract
Adenovirus (Ad) vectors were initially developed for treatment of genetic diseases. Their usefulness for permanent gene replacement was limited by their high immunogenicity, which resulted in rapid elimination of transduced cells through induction of T and B cells to antigens of Ad and the transgene product. The very trait that excluded their use for sustained treatment of genetic diseases made them highly attractive as vaccine carriers. Recently though results showed that Ad vectors based on common human serotypes, such as serotype 5, may not be ideal as vaccine carriers. A recently conducted phase 2b trial, termed STEP trial, with an AdHu5-based vaccine expressing antigens of human immunodeficiency virus 1 (HIV-1) not only showed lack of efficacy in spite of the vaccine's immunogenicity, but also suggested an increased trend for HIV acquisition in individuals that had circulating AdHu5 neutralizing antibodies prior to vaccination. Alternative serotypes from humans or nonhuman primates (NHPs), to which most humans lack pre-existing immunity, have been vectored and may circumvent the problems encountered with the use of AdHu5 vectors in humans. In summary, although Ad vectors have seen their share of setbacks in recent years, they remain viable tools for prevention or treatment of a multitude of diseases.
Collapse
Affiliation(s)
- Marcio O Lasaro
- The Wistar Institute Vaccine Center, Philadelphia, Pennsylvania 19104, USA
| | | |
Collapse
|
21
|
Sharma A, Tandon M, Bangari DS, Mittal SK. Adenoviral vector-based strategies for cancer therapy. CURRENT DRUG THERAPY 2009; 4:117-138. [PMID: 20160875 DOI: 10.2174/157488509788185123] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Definitive treatment of cancer has eluded scientists for decades. Current therapeutic modalities like surgery, chemotherapy, radiotherapy and receptor-targeted antibodies have varied degree of success and generally have moderate to severe side effects. Gene therapy is one of the novel and promising approaches for therapeutic intervention of cancer. Viral vectors in general and adenoviral (Ad) vectors in particular are efficient natural gene delivery systems and are one of the obvious choices for cancer gene therapy. Clinical and preclinical findings with a wide variety of approaches like tumor suppressor and suicide gene therapy, oncolysis, immunotherapy, anti-angiogenesis and RNA interference using Ad vectors have been quite promising, but there are still many hurdles to overcome. Shortcomings like increased immunogenicity, prevalence of preexisting anti-Ad immunity in human population and lack of specific targeting limit the clinical usefulness of Ad vectors. In recent years, extensive research efforts have been made to overcome these limitations through a variety of approaches including the use of conditionally-replicating Ad and specific targeting of tumor cells. In this review, we discuss the potential strengths and limitations of Ad vectors for cancer therapy.
Collapse
Affiliation(s)
- Anurag Sharma
- Department of Comparative Pathobiology, and Bindley Bioscience Center, School of Veterinary Medicine, Purdue University, West Lafayette, IN 47907, USA
| | | | | | | |
Collapse
|