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Mokhtarpour K, Akbarzadehmoallemkolaei M, Rezaei N. A viral attack on brain tumors: the potential of oncolytic virus therapy. J Neurovirol 2024:10.1007/s13365-024-01209-8. [PMID: 38806994 DOI: 10.1007/s13365-024-01209-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 04/17/2024] [Accepted: 04/18/2024] [Indexed: 05/30/2024]
Abstract
Managing malignant brain tumors remains a significant therapeutic hurdle that necessitates further research to comprehend their treatment potential fully. Oncolytic viruses (OVs) offer many opportunities for predicting and combating tumors through several mechanisms, with both preclinical and clinical studies demonstrating potential. OV therapy has emerged as a potent and effective method with a dual mechanism. Developing innovative and effective strategies for virus transduction, coupled with immune checkpoint inhibitors or chemotherapy drugs, strengthens this new technique. Furthermore, the discovery and creation of new OVs that can seamlessly integrate gene therapy strategies, such as cytotoxic, anti-angiogenic, and immunostimulatory, are promising advancements. This review presents an overview of the latest advancements in OVs transduction for brain cancer, focusing on the safety and effectiveness of G207, G47Δ, M032, rQNestin34.5v.2, C134, DNX-2401, Ad-TD-nsIL12, NSC-CRAd-S-p7, TG6002, and PVSRIPO. These are evaluated in both preclinical and clinical models of various brain tumors.
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Affiliation(s)
- Kasra Mokhtarpour
- Animal Model Integrated Network (AMIN), Universal Scientific Education and Research Network (USERN), Tehran, 1419733151, Iran
| | - Milad Akbarzadehmoallemkolaei
- Animal Model Integrated Network (AMIN), Universal Scientific Education and Research Network (USERN), Tehran, 1419733151, Iran
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Dr. Gharib St, Keshavarz Blvd, Tehran, 1419733151, Iran
| | - Nima Rezaei
- Animal Model Integrated Network (AMIN), Universal Scientific Education and Research Network (USERN), Tehran, 1419733151, Iran.
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Dr. Gharib St, Keshavarz Blvd, Tehran, 1419733151, Iran.
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, 1417653761, Iran.
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Srivastava R, Dodda M, Zou H, Li X, Hu B. Tumor Niches: Perspectives for Targeted Therapies in Glioblastoma. Antioxid Redox Signal 2023; 39:904-922. [PMID: 37166370 PMCID: PMC10654996 DOI: 10.1089/ars.2022.0187] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 04/10/2023] [Accepted: 04/12/2023] [Indexed: 05/12/2023]
Abstract
Significance: Glioblastoma (GBM), the most common and lethal primary brain tumor with a median survival rate of only 15 months and a 5-year survival rate of only 6.8%, remains largely incurable despite the intensive multimodal treatment of surgical resection and radiochemotherapy. Developing effective new therapies is an unmet need for patients with GBM. Recent Advances: Targeted therapies, such as antiangiogenesis therapy and immunotherapy, show great promise in treating GBM based upon increasing knowledge about brain tumor biology. Single-cell transcriptomics reveals the plasticity, heterogeneity, and dynamics of tumor cells during GBM development and progression. Critical Issues: While antiangiogenesis therapy and immunotherapy have been highly effective in some types of cancer, the disappointing results from clinical trials represent continued challenges in applying these treatments to GBM. Molecular and cellular heterogeneity of GBM is developed temporally and spatially, which profoundly contributes to therapeutic resistance and tumor recurrence. Future Directions: Deciphering mechanisms of tumor heterogeneity and mapping tumor niche trajectories and functions will provide a foundation for the development of more effective therapies for GBM patients. In this review, we discuss five different tumor niches and the intercellular and intracellular communications among these niches, including the perivascular, hypoxic, invasive, immunosuppressive, and glioma-stem cell niches. We also highlight the cellular and molecular biology of these niches and discuss potential strategies to target these tumor niches for GBM therapy. Antioxid. Redox Signal. 39, 904-922.
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Affiliation(s)
- Rashmi Srivastava
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- John G. Rangos Sr. Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Meghana Dodda
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- John G. Rangos Sr. Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Han Zou
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- John G. Rangos Sr. Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Xuejun Li
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- Hunan International Scientific and Technological Cooperation Base of Brain Tumor Research, Changsha, China
| | - Baoli Hu
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- John G. Rangos Sr. Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Cancer Biology Program, UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
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Survivin Inhibition by Piperine Sensitizes Glioblastoma Cancer Stem Cells and Leads to Better Drug Response. Int J Mol Sci 2022; 23:ijms23147604. [PMID: 35886952 PMCID: PMC9323232 DOI: 10.3390/ijms23147604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 07/01/2022] [Accepted: 07/04/2022] [Indexed: 11/17/2022] Open
Abstract
Glioblastoma multiforme (GBM) cancer stem cells (GSCs) are one of the strongest contributing factors to treatment resistance in GBM. Identification of biomarkers capable of directly affecting these cells within the bulk tumor is a major challenge associated with the development of new targeting strategies. In this study, we focus on understanding the potential of the multifunctional extraordinaire survivin as a biomarker for GSCs. We analyzed the expression profiles of this gene using various publicly available datasets to understand its importance in stemness and other cancer processes. The findings from these studies were further validated using human GSCs isolated from a GBM cell line. In these GSCs, survivin was inhibited using the dietary phytochemical piperine (PIP) and the subsequent effects on stemness, cancer processes and Temozolomide were investigated. In silico analysis identified survivin to be one of the most significant differentially regulated gene in GSCs, in comparison to common stemness markers. Further validation studies on the isolated GSCs showed the importance of survivin in stemness, cancer progression and therapy resistance. Taken together, our study identifies survivin as a more consistent GSC marker and also suggests the possibility of using survivin inhibitors along with standard of care drugs for better therapeutic outcomes.
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Zhuang X, Shi G, Hu X, Wang H, Sun W, Wu Y. Interferon-gamma inhibits aldehyde dehydrogenasebright cancer stem cells in the 4T1 mouse model of breast cancer. Chin Med J (Engl) 2021; 135:194-204. [PMID: 34890380 PMCID: PMC8769120 DOI: 10.1097/cm9.0000000000001558] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Despite improvements in disease diagnosis, treatment, and prognosis, breast cancer is still a leading cause of cancer death for women. Compelling evidence suggests that targeting cancer stem cells (CSCs) have a crucial impact on overcoming the current shortcomings of chemotherapy and radiotherapy. In the present study, we aimed to study the effects of T cells and a critical anti-tumor cytokine, interferon-gamma (IFN-γ), on breast cancer stem cells. METHODS BALB/c mice and BALB/c nude mice were subcutaneously injected with 4T1 tumor cells. Tumor growth and pulmonary metastasis were assessed. ALDEFLOUR™ assays were performed to identify aldehyde dehydrogenasebright (ALDHbr) tumor cells. ALDHbr cells as well as T cells from tumor-bearing BALB/c mice were analyzed using flow cytometry. The effects of CD8+ T cells on ALDHbr tumor cells were assessed in vitro and in vivo. The expression profiles of ALDHbr and ALDHdim 4T1 tumor cells were determined. The levels of plasma IFN-γ were measured by enzyme-linked immunosorbent assay, and their associations with the percentages of ALDHbr tumor cells were evaluated. The effects of IFN-γ on ALDH expression and the malignancy of 4T1 tumor cells were analyzed in vitro. RESULTS There were fewer metastatic nodules in tumor-bearing BALB/c mice than those in tumor-bearing BALB/c nude mice (25.40 vs. 54.67, P < 0.050). CD8+ T cells decreased the percentages of ALDHbr 4T1 tumor cells in vitro (control vs. effector to target ratio of 1:1, 10.15% vs. 5.76%, P < 0.050) and in vivo (control vs. CD8+ T cell depletion, 10.15% vs. 21.75%, P < 0.001). The functions of upregulated genes in ALDHbr 4T1 tumor cells were enriched in the pathway of response to IFN-γ. The levels of plasma IFN-γ decreased gradually in tumor-bearing BALB/c mice, while the percentages of ALDHbr tumor cells in primary tumors increased. IFN-γ at a concentration of 26.68 ng/mL decreased the percentages of ALDHbr 4T1 tumor cells (22.88% vs. 9.88%, P < 0.050) and the protein levels of aldehyde dehydrogenase 1 family member A1 in 4T1 tumor cells (0.86 vs. 0.49, P < 0.050) and inhibited the abilities of sphere formation (sphere diameter <200 μm, 159.50 vs. 72.0; ≥200 μm, 127.0 vs. 59.0; both P < 0.050) and invasion (89.67 vs. 67.67, P < 0.001) of 4T1 tumor cells. CONCLUSION CD8+ T cells and IFN-γ decreased CSC numbers in a 4T1 mouse model of breast cancer. The application of IFN-γ may be a potential strategy for reducing CSCs in breast cancer.
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Affiliation(s)
- Xiufen Zhuang
- Department of Oncology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, China
| | - Guilan Shi
- Department of Immunology, Zibo Vocational Institute Health School, Zibo, Shandong 255000, China
- Department of Medical Engineering, Morsani College of Medicine, Tampa, FL 33612, USA
| | - Xiao Hu
- Department of Oncology, Suqian First Hospital, Suqian, Jiangsu 223800, China
| | - Huiru Wang
- Department of Blood Transfusion, The First Affiliated Hospital of USTC, Hefei, Anhui 230001, China
| | - Wen Sun
- Department of Oncology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, China
| | - Yanhong Wu
- Department of Medical Microbiology and Immunology, School of Basic Medical Sciences, Wannan Medical College, Wuhu, Anhui 241002, China
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Concepts in Oncolytic Adenovirus Therapy. Int J Mol Sci 2021; 22:ijms221910522. [PMID: 34638863 PMCID: PMC8508870 DOI: 10.3390/ijms221910522] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/23/2021] [Accepted: 09/24/2021] [Indexed: 02/07/2023] Open
Abstract
Oncolytic adenovirus therapy is gaining importance as a novel treatment option for the management of various cancers. Different concepts of modification within the adenovirus vector have been identified that define the mode of action against and the interaction with the tumour. Adenoviral vectors allow for genetic manipulations that restrict tumour specificity and also the expression of specific transgenes in order to support the anti-tumour effect. Additionally, replication of the virus and reinfection of neighbouring tumour cells amplify the therapeutic effect. Another important aspect in oncolytic adenovirus therapy is the virus induced cell death which is a process that activates the immune system against the tumour. This review describes which elements in adenovirus vectors have been identified for modification not only to utilize oncolytic adenovirus vectors into conditionally replicating adenoviruses (CRAds) that allow replication specifically in tumour cells but also to confer specific characteristics to these viruses. These advances in development resulted in clinical trials that are summarized based on the conceptual design.
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Ulasov IV, Borovjagin A, Laevskaya A, Kamynina M, Timashev P, Cerchia L, Rozhkova EA. The IL13α 2R paves the way for anti-glioma nanotherapy. Genes Dis 2021; 10:89-100. [PMID: 37013057 PMCID: PMC10066331 DOI: 10.1016/j.gendis.2021.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 08/05/2021] [Accepted: 08/17/2021] [Indexed: 11/20/2022] Open
Abstract
Glioblastoma (GBM) is one of the most aggressive (grade IV) gliomas characterized by a high rate of recurrence, resistance to therapy and a grim survival prognosis. The long-awaited improvement in GBM patients' survival rates essentially depends on advances in the development of new therapeutic approaches. Recent preclinical studies show that nanoscale materials could greatly contribute to the improvement of diagnosis and management of brain cancers. In the current review, we will discuss how specific features of glioma pathobiology can be employed for designing efficient targeting approaches. Moreover, we will summarize the main evidence for the potential of the IL-13R alpha 2 receptor (IL13α2R) targeting in GBM early diagnosis and experimental therapy.
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Affiliation(s)
- Ilya V. Ulasov
- Group of Experimental Biotherapy and Diagnostic, Institute for Regenerative Medicine, World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
- Corresponding author.
| | - Anton Borovjagin
- Department of BioMedical Engineering, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Anastasia Laevskaya
- Group of Experimental Biotherapy and Diagnostic, Institute for Regenerative Medicine, World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Margarita Kamynina
- Group of Experimental Biotherapy and Diagnostic, Institute for Regenerative Medicine, World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Peter Timashev
- Institute for Regenerative Medicine, World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
- Department of Polymers and Composites, N.N. Semenov Institute of Chemical Physics, 4 Kosygin St, Moscow 119991, Russia
- Chemistry Department, Lomonosov Moscow State University, Leninskiye Gory 1-3, Moscow 119991, Russia
| | - Laura Cerchia
- Institute of Experimental Endocrinology and Oncology “G. Salvatore” (IEOS), National Research Council (CNR), Naples 80131, Italy
| | - Elena A. Rozhkova
- Center for Nanoscale Materials, Argonne National Laboratory, Argonne, IL 60439, USA
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Fares J, Ahmed AU, Ulasov IV, Sonabend AM, Miska J, Lee-Chang C, Balyasnikova IV, Chandler JP, Portnow J, Tate MC, Kumthekar P, Lukas RV, Grimm SA, Adams AK, Hébert CD, Strong TV, Amidei C, Arrieta VA, Zannikou M, Horbinski C, Zhang H, Burdett KB, Curiel DT, Sachdev S, Aboody KS, Stupp R, Lesniak MS. Neural stem cell delivery of an oncolytic adenovirus in newly diagnosed malignant glioma: a first-in-human, phase 1, dose-escalation trial. Lancet Oncol 2021; 22:1103-1114. [PMID: 34214495 DOI: 10.1016/s1470-2045(21)00245-x] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 04/14/2021] [Accepted: 04/16/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Malignant glioma is the most common and lethal primary brain tumour, with dismal survival rates and no effective treatment. We examined the safety and activity of NSC-CRAd-S-pk7, an engineered oncolytic adenovirus delivered by neural stem cells (NSCs), in patients with newly diagnosed high-grade glioma. METHODS This was a first-in-human, open-label, phase 1, dose-escalation trial done to determine the maximal tolerated dose of NSC-CRAd-S-pk7, following a 3 + 3 design. Patients with newly diagnosed, histologically confirmed, high-grade gliomas (WHO grade III or IV) were recruited. After neurosurgical resection, NSC-CRAd-S-pk7 was injected into the walls of the resection cavity. The first patient cohort received a dose starting at 6·25 × 1010 viral particles administered by 5·00 × 107 NSCs, the second cohort a dose of 1·25 × 1011 viral particles administered by 1·00 × 108 NSCs, and the third cohort a dose of 1·875 × 1011 viral particles administered by 1·50 × 108 NSCs. No further dose escalation was planned. Within 10-14 days, treatment with temozolomide and radiotherapy was initiated. Primary endpoints were safety and toxicity profile and the maximum tolerated dose for a future phase 2 trial. All analyses were done in all patients who were included in the trial and received the study treatment and were not excluded from the study. Recruitment is complete and the trial is finished. The trial is registered with ClinicalTrials.gov, NCT03072134. FINDINGS Between April 24, 2017, and Nov 13, 2019, 12 patients with newly diagnosed, malignant gliomas were recruited and included in the safety analysis. Histopathological evaluation identified 11 (92%) of 12 patients with glioblastoma and one (8%) of 12 patients with anaplastic astrocytoma. The median follow-up was 18 months (IQR 14-22). One patient receiving 1·50 × 108 NSCs loading 1·875 × 1011 viral particles developed viral meningitis (grade 3) due to the inadvertent injection of NSC-CRAd-S-pk7 into the lateral ventricle. Otherwise, treatment was safe as no formal dose-limiting toxicity was reached, so 1·50 × 108 NSCs loading 1·875 × 1011 viral particles was recommended as a phase 2 trial dose. There were no treatment-related deaths. The median progression-free survival was 9·1 months (95% CI 8·5-not reached) and median overall survival was 18·4 months (15·7-not reached). INTERPRETATION NSC-CRAd-S-pk7 treatment was feasible and safe. Our immunological and histopathological findings support continued investigation of NSC-CRAd-S-pk7 in a phase 2/3 clinical trial. FUNDING US National Institutes of Health.
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Affiliation(s)
- Jawad Fares
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Atique U Ahmed
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Ilya V Ulasov
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Adam M Sonabend
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Jason Miska
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Catalina Lee-Chang
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Irina V Balyasnikova
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - James P Chandler
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Jana Portnow
- Department of Medical Oncology & Therapeutics Research, City of Hope, Duarte, CA
| | - Matthew C Tate
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Priya Kumthekar
- Department of Neurology, Division of Neuro-Oncology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Rimas V Lukas
- Department of Neurology, Division of Neuro-Oncology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Sean A Grimm
- Department of Neurology, Division of Neuro-Oncology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Ann K Adams
- Office of the Vice-President for Research, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | | | | | - Christina Amidei
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Victor A Arrieta
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Markella Zannikou
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Craig Horbinski
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA; Department of Pathology, Division of Neuropathology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Hui Zhang
- Department of Preventive Medicine, Division of Biostatistics, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Kirsten Bell Burdett
- Department of Preventive Medicine, Division of Biostatistics, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - David T Curiel
- Department of Radiation Oncology, Washington University School of Medicine in Saint Louis, MO, USA
| | - Sean Sachdev
- Department of Radiation Oncology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Karen S Aboody
- Department of Developmental & Stem Cell Biology, Division of Neurosurgery, City of Hope, Duarte, CA
| | - Roger Stupp
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Maciej S Lesniak
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
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Abstract
Survivin is one of the rare proteins that is differentially expressed in normal and cancer cells and is directly or indirectly involved in numerous pathways required for tumor maintenance. It is expressed in almost all cancers and its expression has been detected at early stages of cancer. These traits make survivin an exceptionally attractive target for cancer therapeutics. Even with these promising features to be an oncotherapeutic target, there has been limited success in the clinical trials targeting survivin. Only recently it has emerged that survivin was not being specifically targeted which could have resulted in the negative clinical outcome. Also, focus of research has now shifted from survivin expression in the overall heterogeneous tumor cell populations to survivin expression in cancer stem cells as these cells have proved to be the major drivers of tumors. Therefore, in this review we have analyzed the expression of survivin in normal and cancer cells with a particular focus on its expression in cancer stem cell compartment. We have discussed the major signaling pathways involved in regulation of survivin. We have explored the current development status of various types of interventions for inhibition of survivin. Furthermore, we have discussed the challenges involving the development of potent and specific survivin inhibitors for cancer therapeutics. Finally we have given insights for some of the promising future anticancer treatments.
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Moaven O, W Mangieri C, A Stauffer J, Anastasiadis PZ, Borad MJ. Evolving Role of Oncolytic Virotherapy: Challenges and Prospects in Clinical Practice. JCO Precis Oncol 2021; 5:PO.20.00395. [PMID: 34250386 DOI: 10.1200/po.20.00395] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 01/04/2021] [Accepted: 01/27/2021] [Indexed: 12/23/2022] Open
Abstract
Selective oncotropism and cytolytic activity against tumors have made certain viruses subject to investigation as novel treatment modalities. However, monotherapy with oncolytic viruses (OVs) has shown limited success and modest clinical benefit. The capacity to genetically engineer OVs makes them a desirable platform to design complementary treatment modalities to overcome the existing treatment options' shortcomings. In recent years, our knowledge of interactions of the tumors with the immune system has expanded profoundly. There is a growing body of literature supporting immunomodulatory roles for OVs. The concept of bioengineering these platforms to induce the desired immune response and complement the current immunotherapeutic modalities to make immune-resistant tumors responsive to immunotherapy is under investigation in preclinical and early clinical trials. This review provides an overview of attempts to optimize oncolytic virotherapy as essential components of the multimodality anticancer therapeutic approach and discusses the challenges in translation to clinical practice.
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Affiliation(s)
- Omeed Moaven
- Section of Surgical Oncology, Department of Surgery, Mayo Clinic Florida, Jacksonville, FL
| | - Christopher W Mangieri
- Section of Surgical Oncology, Department of Surgery, Wake Forest University, Winston-Salem, NC
| | - John A Stauffer
- Section of Surgical Oncology, Department of Surgery, Mayo Clinic Florida, Jacksonville, FL
| | | | - Mitesh J Borad
- Division of Medical Oncology, Department of Medicine, Mayo Clinic Arizona, Scottsdale, AZ
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Luzzi S, Giotta Lucifero A, Brambilla I, Trabatti C, Mosconi M, Savasta S, Foiadelli T. The impact of stem cells in neuro-oncology: applications, evidence, limitations and challenges. ACTA BIO-MEDICA : ATENEI PARMENSIS 2020; 91:51-60. [PMID: 32608375 PMCID: PMC7975826 DOI: 10.23750/abm.v91i7-s.9955] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 06/19/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND Stem cells (SCs) represent a recent and attractive therapeutic option for neuro-oncology, as well as for treating degenerative, ischemic and traumatic pathologies of the central nervous system. This is mainly because of their homing capacity, which makes them capable of reaching the inaccessible SC niches of the tumor, therefore, acting as living drugs. The target of the study is a comprehensive overview of the SC-based therapies in neuro-oncology, also highlighting the current translational challenges of this type of approach. METHODS An online search of the literature was carried out on the PubMed/MEDLINE and ClinicalTrials.gov websites, restricting it to the most pertinent keywords regarding the systematization of the SCs and their therapeutic use for malignant brain tumors. A large part of the search was dedicated to clinical trials. Only preclinical and clinical data belonging to the last 5 years were shortlisted. A further sorting was implemented based on the best match and relevance. RESULTS The results consisted in 96 relevant articles and 31 trials. Systematization involves a distinction between human embryonic, fetal and adult, but also totipotent, pluripotent or multipotent SCs. Mesenchymal and neuronal SCs were the most studied for neuro-oncological illnesses. 30% and 50% of the trials were phase I and II, respectively. CONCLUSION Mesenchymal and neuronal SCs are ideal candidates for SCs-based therapy of malignant brain tumors. The spectrum of their possible applications is vast and is mainly based on the homing capacity toward the tumor microenvironment. Availability, delivery route, oncogenicity and ethical issues are the main translational challenges concerning the use of SCs in neuro-oncology.
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Affiliation(s)
- Sabino Luzzi
- Neurosurgery Unit, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy; Neurosurgery Unit, Department of Surgical Sciences, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
| | - Alice Giotta Lucifero
- Neurosurgery Unit, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy.
| | - Ilaria Brambilla
- Pediatric Clinic, Department of Pediatrics, Fondazione IRCCS Policlinico San Matteo, Uni-versity of Pavia, Pavia, Italy.
| | - Chiara Trabatti
- Pediatric Clinic, Department of Pediatrics, Fondazione IRCCS Policlinico San Matteo, Uni-versity of Pavia, Pavia, Italy.
| | - Mario Mosconi
- c and Traumatology Unit, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy.
| | - Salvatore Savasta
- Pediatric Clinic, Department of Pediatrics, Fondazione IRCCS Policlinico San Matteo, Uni-versity of Pavia, Pavia, Italy.
| | - Thomas Foiadelli
- Pediatric Clinic, Department of Pediatrics, Fondazione IRCCS Policlinico San Matteo, Uni-versity of Pavia, Pavia, Italy.
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Expanding the Spectrum of Adenoviral Vectors for Cancer Therapy. Cancers (Basel) 2020; 12:cancers12051139. [PMID: 32370135 PMCID: PMC7281331 DOI: 10.3390/cancers12051139] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 04/28/2020] [Accepted: 04/30/2020] [Indexed: 12/15/2022] Open
Abstract
Adenoviral vectors (AdVs) have attracted much attention in the fields of vaccine development and treatment for diseases such as genetic disorders and cancer. In this review, we discuss the utility of AdVs in cancer therapies. In recent years, AdVs were modified as oncolytic AdVs (OAs) that possess the characteristics of cancer cell-specific replication and killing. Different carriers such as diverse cells and extracellular vesicles are being explored for delivering OAs into cancer sites after systemic administration. In addition, there are also various strategies to improve cancer-specific replication of OAs, mainly through modifying the early region 1 (E1) of the virus genome. It has been documented that oncolytic viruses (OVs) function through stimulating the immune system, resulting in the inhibition of cancer progression and, in combination with classical immune modulators, the anti-cancer effect of OAs can be even further enforced. To enhance the cancer treatment efficacy, OAs are also combined with other standard treatments, including surgery, chemotherapy and radiotherapy. Adenovirus type 5 (Ad5) has mainly been explored to develop vectors for cancer treatment with different modulations. Only a limited number of the more than 100 identified AdV types were converted into OAs and, therefore, the construction of an adenovirus library for the screening of potential novel OA candidates is essential. Here, we provide a state-of-the-art overview of currently performed and completed clinic trials with OAs and an adenovirus library, providing novel possibilities for developing innovative adenoviral vectors for cancer treatment.
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12
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Lu L, Wang P, Zou Y, Zha Z, Huang H, Guan M, Wu Y, Liu G. IL-1β Promotes Stemness of Tumor Cells by Activating Smad/ID1 Signaling Pathway. Int J Med Sci 2020; 17:1257-1268. [PMID: 32547321 PMCID: PMC7294920 DOI: 10.7150/ijms.44285] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Accepted: 04/28/2020] [Indexed: 12/23/2022] Open
Abstract
Background: IL-1β is reported to be involved in cancer development and distant metastasis. However, the underlying mechanism of IL-1β upon malignant behaviors remains largely unknown. In this study, we aimed to study whether IL-1β could enhance the stemness traits of tumor cells. Methods: The concentrations of serum IL-1β in head and neck squamous cell carcinoma (HNSCC) and melanoma patients were detected using ELISA assay. The effect and mechanisms of IL-1β on tumor cell growth, migration, invasion and stemness characters were studied using HNSCC cell SCC7 and melanoma cell B16-F10. The underlying mechanisms were further explored. Results: Enhanced concentrations of IL-1β were positively correlated with advanced tumor stage in both HNSCC and melanoma patients. IL-1β treatment led to a significant increase in tumor growth both in vitro and in vivo. IL-1β stimulation promoted cell proliferation, colony formation and tumorigenicity. In addition, IL-1β-stimulated tumor cells gained enhanced capabilities on wounding healing and invasion capabilities. Moreover, IL-1β stimulation promoted the stem-like capabilities of both HNSCC cells and melanoma cells, including the enrichment of aldehyde dehydrogenase+ (ALDH+) cells, up-regulation of stem cell related markers Nanog, OCT4, and SOX2, sphere formation and chemoresistance. Mechanistically, IL-1β treatment promoted the phosphorylation of Smad1/5/8 and activated its downstream target inhibitor of differentiation 1 (ID1). Silencing ID1 abrogated sphere formation and upregulated expression of stemness genes which were induced by IL-1β stimulation. Conclusion: Our data demonstrates that IL-1β promotes the stemness of HNSCC and melanoma cells through activating Smad/ID1 signal pathway.
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Affiliation(s)
- Lin Lu
- Department of Medical Oncology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China, 510180.,Department of Medical Oncology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong, China, 510180
| | - Peipei Wang
- Department of Medical Oncology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong, China, 510180
| | - Yonghong Zou
- Department of Gynecology and Obstetrics, Ji'an City Center People's Hospital, Jiangxi, China, 343000
| | - Zhiqiang Zha
- Department of Medical Oncology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China, 510180
| | - Haowei Huang
- Department of Medical Oncology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong, China, 510180
| | - Mingmei Guan
- Department of Medical Oncology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China, 510180.,Department of Medical Oncology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong, China, 510180
| | - Yong Wu
- Department of Medical Oncology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China, 510180.,Department of Medical Oncology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong, China, 510180
| | - Guolong Liu
- Department of Medical Oncology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China, 510180.,Department of Medical Oncology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong, China, 510180
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El-Ashmawy NE, El-Zamarany EA, Salem ML, Khedr EG, Ibrahim AO. A new strategy for enhancing antitumor immune response using dendritic cells loaded with chemo-resistant cancer stem-like cells in experimental mice model. Mol Immunol 2019; 111:106-117. [PMID: 31051312 DOI: 10.1016/j.molimm.2019.04.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 03/19/2019] [Accepted: 04/01/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND AND AIM Cancer stem cells (CSCs) are rare cell population present in the tumor bulk that are thought to be the reason for treatment failure following chemotherapy in terms of their intrinsic chemo-resistance. Our study aimed to develop an effective therapeutic strategy to target chemo-resistant cancer stem - like cells population in solid Ehrlich carcinoma (SEC) mice model using dendritic cells (DCs) loaded with enriched tumor cells lysate bearing CSC-like phenotype as a vaccine. MATERIALS AND METHODS Ehrlich carcinoma cell line was exposed to different concentrations of cisplatin, doxorubicin, or paclitaxel. Drug treatment that resulted in drug surviving cells with the highest expression of CSCs markers (CD44+/CD24-) was selected to obtain enriched cell cultures with resistant CSCs population. Dendritic cells were isolated from mice bone marrow, pulsed with enriched CSC lysate, analyzed and identified (CD11c, CD83 and CD86). SEC-bearing mice were treated with loaded or unloaded DCs either as single treatment or in combination with repeated low doses of cisplatin. IFN- γ serum level and p53gene expression in tumor tissues were determined by ELISA and real-time PCR, respectively. RESULTS AND CONCLUSION The results revealed that vaccination with CSC loaded DCs significantly reduced tumor size, prolonged survival rate, increased IFN-γ serum levels, and upregulated p53gene expression in SEC bearing mice. These findings were more evident and significant in the group co-treated with CSC-DC and cisplatin rather than other treated groups. This study opens the field for combining CSC-targeted immunotherapy with repeated low doses chemotherapy as an effective strategy to improve anticancer immune responses.
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Affiliation(s)
| | - Enas A El-Zamarany
- Clinical Pathology Department, Faculty of Medicine, Tanta University, Egypt
| | - Mohamed L Salem
- Zoology Department, Faculty of Science, Tanta University, Egypt; Center of Excellence in Cancer Research, Tanta University, Tanta, Egypt
| | - Eman G Khedr
- Biochemistry Department, Faculty of Pharmacy, Tanta University, Egypt
| | - Amera O Ibrahim
- Biochemistry Department, Faculty of Pharmacy, Tanta University, Egypt.
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Bahreyni A, Ghorbani E, Fuji H, Ryzhikov M, Khazaei M, Erfani M, Avan A, Hassanian SM, Azadmanesh K. Therapeutic potency of oncolytic virotherapy-induced cancer stem cells targeting in brain tumors, current status, and perspectives. J Cell Biochem 2018; 120:2766-2773. [PMID: 30321455 DOI: 10.1002/jcb.27661] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 08/21/2018] [Indexed: 12/11/2022]
Abstract
Brain tumors are the most common form of solid tumors in children and is presently a serious therapeutic challenge worldwide. Traditional treatment with chemotherapy and radiotherapy was shown to be unsuccessful in targeting brain tumor cancer stem cells (CSCs), leading to recurrent, treatment-resistant secondary malignancies. Oncolytic virotherapy (OV) is an effective antitumor therapeutic strategy which offers a novel, targeted approach for eradicating pediatric brain tumor CSCs by utilizing mechanisms of cell killing that differ from conventional therapies. A number of studies and some clinical trials have therefore investigated the effects of combined therapy of radiations or chemotherapies with oncolytic viruses which provide new insights regarding the effectiveness and improvement of treatment responses for brain cancer patients. This review summarizes the current knowledge of the therapeutic potency of OVs-induced CSCs targeting in the treatment of brain tumors for a better understanding and hence a better management of this disease.
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Affiliation(s)
- Amirhossein Bahreyni
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Elnaz Ghorbani
- Department of Microbiology, Al-Zahra University, Tehran, Iran
| | - Hamid Fuji
- Department of Biochemistry, Payame-Noor University, Mashhad, Iran
| | - Mikhail Ryzhikov
- Division of Pulmonary and Critical Care Medicine, Washington University, School of Medicine, Saint Louis, Missouri
| | - Majid Khazaei
- Department of Medical Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Marjan Erfani
- Department of Neurology, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Avan
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Modern Sciences and Technologies, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed M Hassanian
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Medical Biochemistry, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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An ABCG2 non-substrate anticancer agent FL118 targets drug-resistant cancer stem-like cells and overcomes treatment resistance of human pancreatic cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:240. [PMID: 30285798 PMCID: PMC6169080 DOI: 10.1186/s13046-018-0899-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 08/31/2018] [Indexed: 01/05/2023]
Abstract
Background Pancreatic cancer is a deadly disease with a very low 5-year patient survival rate of 6–8%. The major challenges of eliminating pancreatic cancer are treatment resistance and stromal barriers to optimal drug access within the tumor. Therefore, effective molecular targeting drugs with high intra-tumor access and retention are urgently needed for managing this devastating disease in the clinic. Methods This study has used the following in vitro and in vivo techniques for the investigation of exceptional anticancer drug FL118’s efficacy in treatment of resistant pancreatic cancer: cell culture; immunoblotting analysis to test protein expression; DNA sub-G1 flow cytometry analyses to test cell death; MTT assay to test cell viability; pancreatic cancer stem cell assays (fluorescence microscopy tracing; matrigel assay; CD44-positive cell colony formation assay); human luciferase-labeled pancreatic tumor orthotopic animal model in vivo imaging; pancreatic cancer patient-derived xenograft (PDX) animal models; and toxicology studies with immune-competent BALB/cj mice and beagle dogs. Results Our studies found that FL118 alone preferentially killed cisplatin-resistant cancer cells, while a combination of FL118 with cisplatin synergistically killed resistant pancreatic cancer cells and reduced spheroid formation of treatment-resistant pancreatic cancer stem-like cells. Furthermore, using in vivo-imaging, we found that FL118 in combination with cisplatin strongly inhibited both drug-resistant pancreatic xenograft tumor growth and metastasis. In PDX model, we demonstrated that FL118 alone effectively eliminated PDX tumors, while FL118 in combination with gemcitabine eliminated PDX tumors that showed relative resistance (less sensitivity) to treatment with FL118. These FL118 efficacy results are consistent with our molecular-targeting data showing that FL118 inhibited the expression of multiple antiapoptotic proteins (survivin, Mcl-1, XIAP, cIAP2) and ERCC6, a critical regulator of DNA repair, in treatment-resistant pancreatic stem-like cancer cells. Furthermore, FL118 toxicity studies in BALB/cj mice and beagle dogs indicated that FL118 exhibits favorable hematopoietic and biochemical toxicities. Conclusion Together, our studies suggest that FL118 is a promising anticancer drug for further clinical development to effectively treat drug-resistant pancreatic cancer alone or in combination with other pancreatic cancer chemotherapeutic drugs.
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Oncolytic Viruses as Therapeutic Tools for Pediatric Brain Tumors. Cancers (Basel) 2018; 10:cancers10070226. [PMID: 29987215 PMCID: PMC6071081 DOI: 10.3390/cancers10070226] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 07/04/2018] [Indexed: 12/18/2022] Open
Abstract
In recent years, we have seen an important progress in our comprehension of the molecular basis of pediatric brain tumors (PBTs). However, they still represent the main cause of death by disease in children. Due to the poor prognosis of some types of PBTs and the long-term adverse effects associated with the traditional treatments, oncolytic viruses (OVs) have emerged as an interesting therapeutic option since they displayed safety and high tolerability in pre-clinical and clinical levels. In this review, we summarize the OVs evaluated in different types of PBTs, mostly in pre-clinical studies, and we discuss the possible future direction of research in this field. In this sense, one important aspect of OVs antitumoral effect is the stimulation of an immune response against the tumor which is necessary for a complete response in preclinical immunocompetent models and in the clinic. The role of the immune system in the response of OVs needs to be evaluated in PBTs and represents an experimental challenge due to the limited immunocompetent models of these diseases available for pre-clinical research.
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17
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Autophagy in glioma cells: An identity crisis with a clinical perspective. Cancer Lett 2018; 428:139-146. [PMID: 29709703 DOI: 10.1016/j.canlet.2018.04.034] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 04/14/2018] [Accepted: 04/20/2018] [Indexed: 01/06/2023]
Abstract
Over the last decade, autophagy has emerged as one of the critical cellular systems that control homeostasis. Besides management of normal homeostatic processes, autophagy can also be induced by tissue damage stress or by rapidly progressing tumors. During tumor progression, autophagy mediates a cellular reaction to the changes inside and outside of cells, which leads to tumor adaptation. Even though the regulation of autophagy seems universal and is a well-described process, its dysregulation and role in glioma progression remain an important topic of investigation. In this review, we summarize recent evidence of autophagy regulation in brain tumor tissues and possible interconnection between signaling pathways that govern cellular responses. This perspective may help to assess the qualitative differences and various outcomes in response to autophagy stimulation.
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18
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Abstract
PURPOSE OF REVIEW More effective therapies for glioblastoma are urgently needed. Immunotherapeutic strategies appear particularly promising and are therefore intensively studied. This article reviews the current understanding of the immunosuppressive glioblastoma microenvironment, discusses the rationale behind various immunotherapies, and outlines the findings of several recently published clinical studies. RECENT FINDINGS The results of CheckMate-143 indicated that nivolumab is not superior to bevacizumab in patients with recurrent glioblastoma. A first-in man exploratory study evaluating EGFRvIII-specific CAR T cells for patients with newly diagnosed glioblastoma demonstrated overall safety of CAR T cell therapy and effective target recognition. A pilot study evaluating treatment with adoptively transferred CMV-specific T cells combined with a CMV-specific DC vaccine was found to be safe and resulted in increased polyclonality of CMV-specific T cells in vivo. Despite the success of immunotherapies in many cancers, clinical evidence supporting their efficacy for patients with glioblastoma is still lacking. Nevertheless, the recently published studies provide important proof-of-concept in several areas of immunotherapy research. The careful and critical interpretation of these results will enhance our understanding of the opportunities and challenges of immunotherapies for high-grade gliomas and improve the immunotherapeutic strategies investigated in future clinical trials.
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Affiliation(s)
- Sylvia C Kurz
- Perlmutter Cancer Institute, Brain Tumor Program, NYU Langone Medical Center, 240 E. 38th Street, 19th floor, New York, NY, 10016, USA
| | - Patrick Y Wen
- Center for Neuro-Oncology, Dana-Farber Cancer Institute, 450 Brookline Ave, Boston, MA, 02215, USA.
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19
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Prince MEP, Zhou L, Moyer JS, Tao H, Lu L, Owen J, Etigen M, Zheng F, Chang AE, Xia J, Wolf G, Wicha MS, Huang S, Ren X, Li Q. Evaluation of the immunogenicity of ALDH(high) human head and neck squamous cell carcinoma cancer stem cells in vitro. Oral Oncol 2018; 59:30-42. [PMID: 27424180 DOI: 10.1016/j.oraloncology.2016.05.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 05/04/2016] [Accepted: 05/20/2016] [Indexed: 12/20/2022]
Abstract
OBJECTIVES To establish the concept that the antigenicity/immunogenicity of ALDH(high) human head and neck squamous cell carcinoma (HNSCC) cancer stem cells (CSC) is distinct from that of ALDH(low) non-CSCs. METHODS We generated CSC-loaded dendritic cells (DCs) to sensitize autologous peripheral blood T, B lymphocytes to react with CSCs using human HNSCC samples in vitro. RESULTS From peripheral blood collected from patients with HNSCC, we obtained PBMCs. DCs generated from the PBMC and pulsed with the lysate of ALDH(high) cells isolated from cultured HNSCC cells (CSC-DC) could sensitize autologous T, B lymphocytes in vitro, which was evident by cytokine production, CTL activity, and antibody secretion of these primed T, B cells in response to ALDH(high) CSCs. In contrast, DCs pulsed with lysate of ALDH(low) cells (ALDH(low)-DC) resulted in limited sensitization/priming of autologous T, B lymphocytes to produce IFNγ, GM-CSF; lyse CSCs, and secrete IgM and IgG in response to ALDH(high) CSCs. These results demonstrated significant differences in the antigenicity/immunogenicity between ALDH(high) CSCs vs. ALDH(low) cells isolated from the tumor specimen of patients with HNSCC, which indicates the existence of unique CSC antigens in the ALDH(high) population. CONCLUSION It is feasible to generate DCs from the PBMCs and isolate ALDH(high) CSCs from cultured tumor cells of the patients with HNSCC to prepare CSC-DC vaccines that can induce anti-HNSCC CSC cellular and humoral immunity, indicating its potential clinical application to treat patients with HNSCC.
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Affiliation(s)
- Mark E P Prince
- University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA
| | - Li Zhou
- University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA.,Department of Immunology, Biotherapy Center ,Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center of Cancer, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, P. R. China
| | - Jeffrey S Moyer
- University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA
| | - Huimin Tao
- University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA.,Hubei Province Stem Cell Research & Appling Center, Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lin Lu
- University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA.,State Key Laboratory of Oncology in Southern China and Department of Experimental Research, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - John Owen
- University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA
| | - Martin Etigen
- University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA
| | - Fang Zheng
- University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA.,Hubei Province Stem Cell Research & Appling Center, Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Alfred E Chang
- University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA
| | - Jianchuan Xia
- State Key Laboratory of Oncology in Southern China and Department of Experimental Research, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Gregory Wolf
- University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA
| | - Max S Wicha
- University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA
| | - Shiang Huang
- Hubei Province Stem Cell Research & Appling Center, Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiubao Ren
- Department of Immunology, Biotherapy Center ,Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center of Cancer, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, P. R. China
| | - Qiao Li
- University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA
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Zhang J, Ding M, Xu K, Mao L, Zheng J. shRNA-armed conditionally replicative adenoviruses: a promising approach for cancer therapy. Oncotarget 2018; 7:29824-34. [PMID: 26980708 PMCID: PMC5045436 DOI: 10.18632/oncotarget.8035] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Accepted: 02/15/2016] [Indexed: 12/16/2022] Open
Abstract
The small-interfering RNAs (siRNAs) have been employed to knockdown the expression of cancer-associated genes and shown some promise in cancer therapy. However, synthetic siRNA duplexes or plasmid mediated delivery of siRNAs have several problems, such as short half-life, low transfection efficiency and cytotoxicity associated with transfection. Conditionally replicating adenovirus (CRAds) as the delivery vector for short hairpin RNAs (shRNAs) could overcome these limitations and have shown augmented anti-tumor effects in experimental studies and preclinical trials. In this review, we summarize recent progress in the development of CRAds-shRNA for cancer treatment. Combination of CRAds-shRNA with chemotherapeutics, radiation, dendritic cells, monoclonal antibodies and small-molecule inhibitors will be necessary to eradicate cancer cells and cancer stem cells and achieve superior outcomes. The use of CRAd platform for efficient delivery of shRNAs and foreign genes will open a new avenue for cancer therapy.
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Affiliation(s)
- Jie Zhang
- Jiangsu Key Laboratory of Biological Cancer Therapy, Xuzhou Medical College, Xuzhou, China
| | - Meng Ding
- Jiangsu Key Laboratory of Biological Cancer Therapy, Xuzhou Medical College, Xuzhou, China
| | - Kai Xu
- Jiangsu Key Laboratory of Biological Cancer Therapy, Xuzhou Medical College, Xuzhou, China
| | - Lijun Mao
- Jiangsu Key Laboratory of Biological Cancer Therapy, Xuzhou Medical College, Xuzhou, China.,Department of Urinary Surgery, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, China
| | - Junian Zheng
- Jiangsu Key Laboratory of Biological Cancer Therapy, Xuzhou Medical College, Xuzhou, China
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Lin M, Chang AE, Wicha M, Li Q, Huang S. Development and Application of Cancer Stem Cell-Targeted Vaccine in Cancer Immunotherapy. ACTA ACUST UNITED AC 2017; 8. [PMID: 29423335 PMCID: PMC5800506 DOI: 10.4172/2157-7560.1000371] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Ming Lin
- University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109, USA.,Department of Pediatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Alfred E Chang
- University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109, USA
| | - Max Wicha
- University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109, USA
| | - Qiao Li
- University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109, USA
| | - Shiang Huang
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
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Galbo PM, Ciesielski MJ, Figel S, Maguire O, Qiu J, Wiltsie L, Minderman H, Fenstermaker RA. Circulating CD9+/GFAP+/survivin+ exosomes in malignant glioma patients following survivin vaccination. Oncotarget 2017; 8:114722-114735. [PMID: 29383115 PMCID: PMC5777727 DOI: 10.18632/oncotarget.21773] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 09/08/2017] [Indexed: 02/07/2023] Open
Abstract
Glioma cells release exosomes in culture and into the extracellular matrix in vivo. These nanobodies transport an array of biomolecules and are capable of mediating cell-cell communication. Circulating exosomes in cancer patients may be indicative of disease status and response to therapy. The inhibitor of apoptosis protein (IAP) survivin (SVN) promotes cancer cell proliferation, local immune suppression and resistance to chemotherapy and it is a potential cancer biomarker. We used imaging flow cytometry to perform quantitative measurements of circulating SVN+ exosomes in the serum of malignant glioma patients undergoing investigational treatment with an anti-survivin vaccine (SurVaxM). Serum from glioma patients contained abundant CD9+ exosomes with both SVN and glial fibrillary acidic protein (GFAP) on their surface. Survivin and GFAP were evaluated both independently and together as possible tumor markers on CD9+ exosomes. Patients with longer time to tumor progression generally exhibited a decrease in circulating CD9+/SVN+ and CD9+/GFAP+/SVN+ exosomes immediately following survivin vaccination; whereas, those with early tumor progression had an increase in exosomes, despite anti-survivin immunotherapy. Serum from non-cancer healthy control individuals had very few detectable CD9+/GFAP+/SVN+ exosomes, although CD9+/GFAP+ exosomes were detectable in small numbers. This study demonstrates that patients with malignant gliomas have CD9+/GFAP+/SVN+ and CD9+/SVN+ exosomes that are released into the circulation and that early reductions in their numbers following anti-survivin immunotherapy might be associated with longer progression-free survival.
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Affiliation(s)
- Phillip M Galbo
- Department of Neurosurgery, Roswell Park Cancer Institute, Buffalo, New York, 14263 USA
| | - Michael J Ciesielski
- Department of Neurosurgery, Roswell Park Cancer Institute, Buffalo, New York, 14263 USA.,Center for Immunotherapy, Roswell Park Cancer Institute, Buffalo, New York, 14263 USA.,Jacobs School of Medicine and Biomedical Sciences, State University of New York, Buffalo, New York, 14214 USA
| | - Sheila Figel
- Department of Neurosurgery, Roswell Park Cancer Institute, Buffalo, New York, 14263 USA
| | - Orla Maguire
- Flow and Image Cytometry, Roswell Park Cancer Institute, Buffalo, New York, 14263 USA
| | - Jingxin Qiu
- Pathology, Roswell Park Cancer Institute, Buffalo, New York, 14263 USA
| | - Laura Wiltsie
- Pediatrics, Roswell Park Cancer Institute, Buffalo, New York, 14263 USA.,Jacobs School of Medicine and Biomedical Sciences, State University of New York, Buffalo, New York, 14214 USA
| | - Hans Minderman
- Flow and Image Cytometry, Roswell Park Cancer Institute, Buffalo, New York, 14263 USA
| | - Robert A Fenstermaker
- Department of Neurosurgery, Roswell Park Cancer Institute, Buffalo, New York, 14263 USA.,Center for Immunotherapy, Roswell Park Cancer Institute, Buffalo, New York, 14263 USA.,Jacobs School of Medicine and Biomedical Sciences, State University of New York, Buffalo, New York, 14214 USA
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23
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Soluble HLA-associated peptide from PSF1 has a cancer vaccine potency. Sci Rep 2017; 7:11137. [PMID: 28894200 PMCID: PMC5593935 DOI: 10.1038/s41598-017-11605-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 08/25/2017] [Indexed: 12/29/2022] Open
Abstract
Partner of sld five 1 (PSF1) is an evolutionary conserved DNA replication factor involved in DNA replication in lower species, which is strongly expressed in normal stem cell populations and progenitor cell populations. Recently, we have investigated PSF1 functions in cancer cells and found that PSF1 plays a significant role in tumour growth. These findings provide initial evidence for the potential of PSF1 as a therapeutic target. Here, we reveal that PSF1 contains an immunogenic epitope suitable for an antitumour vaccine. We analysed PSF1 peptides eluted from affinity-purified human leukocyte antigen (HLA) by mass spectrometry and identified PSF179-87 peptide (YLYDRLLRI) that has the highest prediction score using an in silico algorithm. PSF179-87 peptide induced PSF1-specific cytotoxic T lymphocyte responses such as the production of interferon-γ and cytotoxicity. Because PSF1 is expressed in cancer cell populations and highly expressed in cancer stem cell populations, these data suggest that vaccination with PSF179-87 peptide may be a novel therapeutic strategy for cancer treatment.
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Wang J, Liu Z, Zhang D, Liu R, Lin Q, Liu J, Yang Z, Ma Q, Sun D, Zhou X, Jiang G. FL118, a novel survivin inhibitor, wins the battle against drug-resistant and metastatic lung cancers through inhibition of cancer stem cell-like properties. Am J Transl Res 2017; 9:3676-3686. [PMID: 28861158 PMCID: PMC5575181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 07/22/2017] [Indexed: 06/07/2023]
Abstract
Failure of cancer treatment caused by drug resistance and metastasis is mainly due to existence of cancer stem cells (CSCs). Therefore, targeting CSCs to overcome cancers is a challenging issue in clinic. In this report, in view of the important role of survivin in tumor growth and CSCs maintaining, we aimed to confirm that FL118, as a novel survivin inhibitor, may effectively inhibit lung cancer stem cells. We showed that lung cancer stem cells have the obviously higher expression of survivin than their parental cells. After treated with FL118, the survivin level in CSCs was suppressed. Consistently, lung cancer stem cells displayed significantly growth inhibition over time. Here, we compared the antitumor efficacy between FL118 and cisplatin. The data revealed that CSCs are more sensitive to FL118 than cisplatin. To further demonstrate the inhibitory effect of FL118 on CSCs, we found that FL118 down-regulated the expression of CSCs markers (ABCG2, ALDH1A1, Oct4) and drug resistant proteins (P-gp, ERCC1), suggesting that FL118 may change CSCs phenotype and improve drug-sensitivity of tumor cells. Moreover, FL118 effectively decreased the invasive ability of CSCs. These findings expand the uniqueness of FL118 as an attractive therapeutic option for cancers with drug-resistant or metastatic potential.
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Affiliation(s)
- Jin Wang
- School of Basic Medicine, Qingdao UniversityQingdao 266021, China
| | - Zhantao Liu
- School of Pharmacy, Qingdao UniversityQingdao 266021, China
| | - Dandan Zhang
- School of Pharmacy, Qingdao UniversityQingdao 266021, China
| | - Ranran Liu
- School of Pharmacy, Qingdao UniversityQingdao 266021, China
| | - Qian Lin
- School of Pharmacy, Qingdao UniversityQingdao 266021, China
| | - Jia Liu
- School of Pharmacy, Qingdao UniversityQingdao 266021, China
| | - Zhihong Yang
- School of Pharmacy, Qingdao UniversityQingdao 266021, China
| | - Qingxia Ma
- School of Pharmacy, Qingdao UniversityQingdao 266021, China
| | - Dantong Sun
- School of Basic Medicine, Qingdao UniversityQingdao 266021, China
| | - Xin Zhou
- School of Basic Medicine, Qingdao UniversityQingdao 266021, China
| | - Guohui Jiang
- School of Pharmacy, Qingdao UniversityQingdao 266021, China
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Naoum GE, Zhu ZB, Buchsbaum DJ, Curiel DT, Arafat WO. Survivin a radiogenetic promoter for glioblastoma viral gene therapy independently from CArG motifs. Clin Transl Med 2017; 6:11. [PMID: 28251571 PMCID: PMC5332320 DOI: 10.1186/s40169-017-0140-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 02/18/2017] [Indexed: 12/23/2022] Open
Abstract
Background Radiogenetic therapy is a novel approach in the treatment of cancer, which employs genetic modification to alter the sensitivity of tumor cells to the effect of applied radiation. Aim To select a potent radiation inducible promoter in the context of brain tumors and to investigate if CArG radio responsive motifs or other elements in the promoter nucleotide sequences can correlate to its response to radiation. Methods To select initial candidates for promoter inducible elements, the levels of mRNA expression of six different promoters were assessed using Quantitative RTPCR in D54 MG cells before and after radiation exposure. Recombinant Ad/reporter genes driven by five different promoters; CMV, VEGF, FLT-1, DR5 and survivin were constructed. Glioma cell lines were infected with different multiplicity of infection of the (promoter) Ad or CMV Ad. Cells were then exposed to a range of radiation (0–12 Gy) at single fraction. Fluorescent microscopy, Luc assay and X-gal staining was used to detect the level of expression of related genes. Different glioma cell lines and normal astrocytes were infected with Ad survivin and exposed to radiation. The promoters were analyzed for presence of CArG radio-responsive motifs and CCAAT box consensus using NCBI blast bioinformatics software. Results Radiotherapy increases the expression of gene expression by 1.25–2.5 fold in different promoters other than survivin after 2 h of radiation. RNA analysis was done and has shown an increase in copy number of tenfold for survivin. Most importantly cells treated with RT and Ad Luc driven by survivin promoter showed a fivefold increase in expression after 2 Gy of radiation in comparison to non-irradiated cells. Presence or absence of CArG motifs did not correlate with promoter response to radiation. Survivin with the best response to radiation had the lowest number of CCAAT box. Conclusion Survivin is a selective potent radiation inducible promoter for glioblastoma viral gene therapy and this response to radiation could be independent of CArG motifs.
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Affiliation(s)
- George E Naoum
- Alexandria Comprehensive Cancer Center, Alexandria, Egypt
| | - Zeng B Zhu
- Division of Human Gene Therapy, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Donald J Buchsbaum
- Department of Radiation Oncology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - David T Curiel
- Cancer Biology Division, Washington University School of Medicine, St. Louis, MO, USA
| | - Waleed O Arafat
- Alexandria Comprehensive Cancer Center, Alexandria, Egypt. .,Department of Radiation Oncology, University of Alabama at Birmingham, Birmingham, AL, USA. .,Clinical Oncology Department, Alexandria University, 3 Azarita Street, Alexandria, 21131, Egypt.
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Leng L, Zhong X, Sun G, Qiu W, Shi L. Demethoxycurcumin was superior to temozolomide in the inhibition of the growth of glioblastoma stem cells in vivo. Tumour Biol 2016; 37:10.1007/s13277-016-5399-x. [PMID: 27757851 DOI: 10.1007/s13277-016-5399-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 09/13/2016] [Indexed: 10/20/2022] Open
Abstract
Temozolomide (TMZ) is widely used in the treatment of glioblastoma multiforme (GBM) as it can effectively inhibit the growth of GBM for some months; however, this cancer type is still incurable. The existence of glioma stem cells (GSCs) is thought to be responsible for the invariable recurrence of GBM after treatment, but GSCs are insensitive to TMZ. Our recent research showed that demethoxycurcumin (DMC), a component of curcumin, was superior to TMZ in its ability to inhibit proliferation and induce apoptosis of GSCs in vitro. In addition, the combined treatment of TMZ + DMC induced more obvious anti-GSC effects. However, in this study, no obvious synergistic anti-GSC effects of TMZ + DMC were found in vivo, while DMC was still superior to TMZ with respect to growth inhibition of GSCs in vivo. Furthermore, immunohistochemistry for proliferating cell nuclear antigen (PCNA) showed that such inhibitory effects were mainly related to the inhibition of cell proliferation rather than to apoptosis. However, a high concentration of DMC (50 mg/kg) alone or combined with TMZ could also induce approximately 10 % of the cells to undergo apoptosis according to a terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay. Finally, an investigation of the underlying mechanism revealed that the Janus kinase (JAK)/signal transducers and activators of transcription (STAT) 3 signaling pathway played an important role in the anti-GSC effects. When the JAK inhibitor AG490 was applied, the anti-GSC effects of DMC were enhanced. Taken together, the present work reveals that DMC is superior to TMZ with respect to its anti-GSC effects in vivo, which are mediated through the inhibition of the activation of the JAK/STAT3 pathway; however, DMC demonstrated no synergistic effects with TMZ.
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Affiliation(s)
- Liang Leng
- Department of Neurosurgery, Liyang People's Hospital Affiliated to Nantong University, Liyang, 213300, People's Republic of China
| | - Xiaojun Zhong
- Department of Neurosurgery, Liyang People's Hospital Affiliated to Nantong University, Liyang, 213300, People's Republic of China
| | - Guan Sun
- Department of Neurosurgery, Fourth Affiliated Yancheng Hospital of Nantong University, Yancheng, 224000, People's Republic of China
| | - Wen Qiu
- Department of Immunology, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu, 211166, People's Republic of China.
| | - Lei Shi
- Department of Neurosurgery, The First People's Hospital of Kunshan Affiliated with Jiangsu University, Suzhou, 215300, People's Republic of China.
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Kamran N, Calinescu A, Candolfi M, Chandran M, Mineharu Y, Asad AS, Koschmann C, Nunez FJ, Lowenstein PR, Castro MG. Recent advances and future of immunotherapy for glioblastoma. Expert Opin Biol Ther 2016; 16:1245-64. [PMID: 27411023 PMCID: PMC5014608 DOI: 10.1080/14712598.2016.1212012] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Accepted: 07/08/2016] [Indexed: 12/25/2022]
Abstract
INTRODUCTION Outcome for glioma (GBM) remains dismal despite advances in therapeutic interventions including chemotherapy, radiotherapy and surgical resection. The overall survival benefit observed with immunotherapies in cancers such as melanoma and prostate cancer has fuelled research into evaluating immunotherapies for GBM. AREAS COVERED Preclinical studies have brought a wealth of information for improving the prognosis of GBM and multiple clinical studies are evaluating a wide array of immunotherapies for GBM patients. This review highlights advances in the development of immunotherapeutic approaches. We discuss the strategies and outcomes of active and passive immunotherapies for GBM including vaccination strategies, gene therapy, check point blockade and adoptive T cell therapies. We also focus on immunoediting and tumor neoantigens that can impact the efficacy of immunotherapies. EXPERT OPINION Encouraging results have been observed with immunotherapeutic strategies; some clinical trials are reaching phase III. Significant progress has been made in unraveling the molecular and genetic heterogeneity of GBM and its implications to disease prognosis. There is now consensus related to the critical need to incorporate tumor heterogeneity into the design of therapeutic approaches. Recent data also indicates that an efficacious treatment strategy will need to be combinatorial and personalized to the tumor genetic signature.
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Affiliation(s)
- Neha Kamran
- a Department of Neurosurgery , The University of Michigan School of Medicine , Ann Arbor , MI , USA
- b Department of Cell and Developmental Biology , The University of Michigan School of Medicine , Ann Arbor , MI , USA
| | - Alexandra Calinescu
- a Department of Neurosurgery , The University of Michigan School of Medicine , Ann Arbor , MI , USA
- b Department of Cell and Developmental Biology , The University of Michigan School of Medicine , Ann Arbor , MI , USA
| | - Marianela Candolfi
- c Instituto de Investigaciones Biomédicas (CONICET-UBA), Facultad de Medicina , Universidad de Buenos Aires , Buenos Aires , Argentina
| | - Mayuri Chandran
- a Department of Neurosurgery , The University of Michigan School of Medicine , Ann Arbor , MI , USA
- b Department of Cell and Developmental Biology , The University of Michigan School of Medicine , Ann Arbor , MI , USA
| | - Yohei Mineharu
- d Department of Neurosurgery , Kyoto University Graduate School of Medicine , Kyoto , Japan
| | - Antonela S Asad
- c Instituto de Investigaciones Biomédicas (CONICET-UBA), Facultad de Medicina , Universidad de Buenos Aires , Buenos Aires , Argentina
| | - Carl Koschmann
- a Department of Neurosurgery , The University of Michigan School of Medicine , Ann Arbor , MI , USA
- b Department of Cell and Developmental Biology , The University of Michigan School of Medicine , Ann Arbor , MI , USA
| | - Felipe J Nunez
- a Department of Neurosurgery , The University of Michigan School of Medicine , Ann Arbor , MI , USA
- b Department of Cell and Developmental Biology , The University of Michigan School of Medicine , Ann Arbor , MI , USA
| | - Pedro R Lowenstein
- a Department of Neurosurgery , The University of Michigan School of Medicine , Ann Arbor , MI , USA
- b Department of Cell and Developmental Biology , The University of Michigan School of Medicine , Ann Arbor , MI , USA
| | - Maria G Castro
- a Department of Neurosurgery , The University of Michigan School of Medicine , Ann Arbor , MI , USA
- b Department of Cell and Developmental Biology , The University of Michigan School of Medicine , Ann Arbor , MI , USA
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28
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Kim JW, Auffinger B, Spencer DA, Miska J, Chang AL, Kane JR, Young JS, Kanojia D, Qiao J, Mann JF, Zhang L, Wu M, Ahmed AU, Aboody KS, Strong TV, Hébert CD, Lesniak MS. Single dose GLP toxicity and biodistribution study of a conditionally replicative adenovirus vector, CRAd-S-pk7, administered by intracerebral injection to Syrian hamsters. J Transl Med 2016; 14:134. [PMID: 27184224 PMCID: PMC4868110 DOI: 10.1186/s12967-016-0895-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 05/05/2016] [Indexed: 11/11/2022] Open
Abstract
Background CRAd-S-pk7 is a conditionally replicative oncolytic adenoviral vector that contains a survivin promoter and a pk7 fiber modification that confer tumor-specific transcriptional targeting and preferential replication in glioma while sparing the surrounding normal brain parenchyma. Methods This IND-enabling study performed under GLP conditions evaluated the toxicity and biodistribution of CRAd-S-pk7 administered as a single intracerebral dose to Syrian hamsters, a permissive model of adenoviral replication. Two hundred and forty animals were stereotactically administered either vehicle (n = 60) or CRAd-S-pk7 at 2.5 × 107, 2.5 × 108, or 2.5 × 109 viral particles (vp)/animal (each n = 60) on day 1. The animals were closely monitored for toxicology evaluation, assessment of viral distribution, and immunogenicity of CRAd-S-pk7. Results Changes in hematology, clinical chemistry, and coagulation parameters were minor and transient, and consistent with the inflammatory changes observed microscopically. These changes were considered to be of little toxicological significance. The vector remained localized primarily in the brain and to some degree in the tissues at the incision site. Low levels of vector DNA were detected in other tissues in a few animals suggesting systemic circulation of the virus. Viral DNA was detected in brains of hamsters for up to 62 days. However, microscopic changes and virus-related toxicity to the central nervous system were considered minor and decreased in incidence and severity over time. Such changes are not uncommon in studies using adenoviral vectors. Conclusion This study provides safety and toxicology data justifying a clinical trial of CRAd-S-pk7 loaded in FDA-approved HB1.F3.CD neural stem cell carriers administered at the tumor resection bed in humans with recurrent malignant glioma. Electronic supplementary material The online version of this article (doi:10.1186/s12967-016-0895-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Julius Woongki Kim
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 N. St Clair St, Suite 2210, Chicago, IL, 60611, USA
| | - Brenda Auffinger
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 N. St Clair St, Suite 2210, Chicago, IL, 60611, USA
| | - Drew A Spencer
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 N. St Clair St, Suite 2210, Chicago, IL, 60611, USA
| | - Jason Miska
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 N. St Clair St, Suite 2210, Chicago, IL, 60611, USA
| | - Alan L Chang
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 N. St Clair St, Suite 2210, Chicago, IL, 60611, USA
| | - Joshua Robert Kane
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 N. St Clair St, Suite 2210, Chicago, IL, 60611, USA
| | - Jacob S Young
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 N. St Clair St, Suite 2210, Chicago, IL, 60611, USA
| | - Deepak Kanojia
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 N. St Clair St, Suite 2210, Chicago, IL, 60611, USA
| | - Jian Qiao
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 N. St Clair St, Suite 2210, Chicago, IL, 60611, USA
| | - Jill F Mann
- Southern Research Institute, Birmingham, AL, USA
| | - Lingjiao Zhang
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 N. St Clair St, Suite 2210, Chicago, IL, 60611, USA
| | - Meijing Wu
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 N. St Clair St, Suite 2210, Chicago, IL, 60611, USA
| | - Atique U Ahmed
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 N. St Clair St, Suite 2210, Chicago, IL, 60611, USA
| | | | | | | | - Maciej S Lesniak
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 N. St Clair St, Suite 2210, Chicago, IL, 60611, USA.
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29
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Gao Y, Li L, Song L. Expression of p16 and Survivin in gliomas and their correlation with cell proliferation. Oncol Lett 2015; 10:301-306. [PMID: 26171019 DOI: 10.3892/ol.2015.3180] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 03/27/2015] [Indexed: 12/24/2022] Open
Abstract
The survival rate of glioma patients is very low, and a lack of effective diagnostic techniques are available at present. The current study aimed to investigate the expression of p16 and Survivin and their association with proliferation and apoptosis in gliomas, as well as patient characteristics and prognosis. In total, 62 glioma specimens were surgically resected and pathologically confirmed at the Zhumadian Central Hospital (Zhumadian, China) between June 2008 and February 2014. Clinical data, including the gender and age of the patients, as well as the location, infiltration degree, size and pathological stage of the glioma, was collected. In order to evaluate the expression of p16 and Survivin in the gliomas, the Ki-67 labeling index was used to evaluate cell proliferation activity. The number of argyrophilic nucleolar organizer regions and the rate of cellular apoptosis was examined using the terminal deoxynucleotidyl transferase dUTP nick end labeling method. The results were analyzed using SPSS 14.0 statistical software. The positive rate of p16 gene expression in the gliomas was 46.77% (29 cases), and p16 gene expression was positively correlated with the differentiation status, tumor size and pre-operative symptoms. The positive rate of Survivin expression in the gliomas was 69.88% (58 cases), and Survivin expression was positively correlated with tumor size, differentiation status and clinical stage. The proliferation activity of the gliomas was enhanced with increasing p16 and Survivin expression, while apoptosis was inhibited. In conclusion, the overexpression of p16 and Survivin was closely associated with uncontrolled cell proliferation and the inhibition of apoptosis in gliomas. The combined analysis of the expression of p16 and Survivin in gliomas may provide guidance with respect to the clinical diagnosis, evaluation, treatment and prognosis of patients with glioma.
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Affiliation(s)
- Yansheng Gao
- Department of Neurosurgery Ⅱ, Zhumadian Central Hospital, Zhumadian, Henan 463000, P.R. China
| | - Lingzhen Li
- Department of Neurology Ⅲ, Zhumadian Central Hospital, Zhumadian, Henan 463000, P.R. China
| | - Laijun Song
- Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
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Qiao J, Dey M, Chang AL, Kim JW, Miska J, Ling A, M Nettlebeck D, Han Y, Zhang L, Lesniak MS. Intratumoral oncolytic adenoviral treatment modulates the glioma microenvironment and facilitates systemic tumor-antigen-specific T cell therapy. Oncoimmunology 2015; 4:e1022302. [PMID: 26405578 DOI: 10.1080/2162402x.2015.1022302] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Revised: 02/17/2015] [Accepted: 02/17/2015] [Indexed: 02/06/2023] Open
Abstract
Glioblastoma multiforme (GBM) is the most aggressive form of primary brain tumor and is associated with poor survival. Virotherapy is a promising candidate for the development of effective, novel treatments for GBM. Recent studies have underscored the potential of virotherapy in enhancing antitumor immunity despite the fact that its mechanisms remain largely unknown. Here, using a syngeneic GBM mouse model, we report that intratumoral virotherapy significantly modulates the tumor microenvironment. We found that intratumoral administration of an oncolytic adenovirus, AdCMVdelta24, decreased tumor-infiltrating CD4+ Foxp3+ regulatory T cells (Tregs) and increased IFNγ-producing CD8+ T cells in treated tumors, even in late stage disease in which a highly immunosuppressive tumor microenvironment is considered to be a significant barrier to immunotherapy. Importantly, intratumoral AdCMVdelta24 treatment augmented systemically transferred tumor-antigen-specific T cell therapy. Furthermore, mechanistic studies showed (1) downregulation of Foxp3 in Tregs that were incubated with media conditioned by virus-infected tumor cells, (2) downregulation of indoleamine 2,3 dioxygenase 1 (IDO) in glioma cells upon infection by AdCMVdelta24, and (3) reprograming of Tregs from an immunosuppressive to a stimulatory state. Taken together, our findings demonstrate the potency of intratumoral oncolytic adenoviral treatment in enhancing antitumor immunity through the regulation of multiple aspects of immune suppression in the context of glioma, supporting further clinical development of oncolytic adenovirus-based immune therapies for malignant brain cancer.
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Affiliation(s)
- Jian Qiao
- The Brain Tumor Center; Pritzker School of Medicine; The University of Chicago ; Chicago, IL USA
| | - Mahua Dey
- The Brain Tumor Center; Pritzker School of Medicine; The University of Chicago ; Chicago, IL USA
| | - Alan L Chang
- The Brain Tumor Center; Pritzker School of Medicine; The University of Chicago ; Chicago, IL USA
| | - Julius W Kim
- The Brain Tumor Center; Pritzker School of Medicine; The University of Chicago ; Chicago, IL USA
| | - Jason Miska
- The Brain Tumor Center; Pritzker School of Medicine; The University of Chicago ; Chicago, IL USA
| | - Alex Ling
- The Brain Tumor Center; Pritzker School of Medicine; The University of Chicago ; Chicago, IL USA
| | - Dirk M Nettlebeck
- Oncolytic Adenovirus Group; German Cancer Research Center (DKFZ) ; Heidelberg, Germany
| | - Yu Han
- The Brain Tumor Center; Pritzker School of Medicine; The University of Chicago ; Chicago, IL USA
| | - Lingjiao Zhang
- The Brain Tumor Center; Pritzker School of Medicine; The University of Chicago ; Chicago, IL USA
| | - Maciej S Lesniak
- The Brain Tumor Center; Pritzker School of Medicine; The University of Chicago ; Chicago, IL USA
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31
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Lu L, Tao H, Chang AE, Hu Y, Shu G, Chen Q, Egenti M, Owen J, Moyer JS, Prince ME, Huang S, Wicha MS, Xia JC, Li Q. Cancer stem cell vaccine inhibits metastases of primary tumors and induces humoral immune responses against cancer stem cells. Oncoimmunology 2015; 4:e990767. [PMID: 25949905 PMCID: PMC4404925 DOI: 10.4161/2162402x.2014.990767] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Accepted: 11/18/2014] [Indexed: 02/08/2023] Open
Abstract
The inability to target cancer stem cells (CSC) may be a significant factor contributing to treatment failure. We have developed a strategy to target the CSC populations in melanoma and squamous cell carcinoma using CSC lysate-pulsed dendritic cells (DCs). The CSC-DC vaccine was administered in the adjuvant setting after localized radiation therapy of established tumors. Using mouse models we demonstrated that DCs pulsed with CSCs enriched by virtue of their expression of the CSC marker ALDH (termed CSC-DC) significantly inhibited tumor growth, reduced development of pulmonary metastases and prolonged survival. The effect was associated with downregulation of chemokine (C-C motif) receptors CCR7 and CCR10 in tumor cells and decreased expression of the chemokine (C-C motif) ligands CCL21, CCL27 and CCL28 in lung tissue. The CSC-DC vaccine significantly reduced ALDHhigh CSC frequency in primary tumors. Direct targeting of CSCs was demonstrated by the specific binding of IgG produced by ALDHhigh CSC-DC vaccine-primed B cells to ALDHhigh CSCs, resulting in lysis of these target CSCs in the presence of complement. These data suggest that the CSC-DC vaccine approach may be useful in the adjuvant setting where local and systemic relapse are high after conventional treatment of cancers.
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Affiliation(s)
- Lin Lu
- University of Michigan Comprehensive Cancer Cente; Ann Arbor , MI USA ; State Key Laboratory of Oncology in Southern China and Department of Experimental Research; Sun Yat-sen University Cancer Center ; Guangzhou, China
| | - Huimin Tao
- University of Michigan Comprehensive Cancer Cente; Ann Arbor , MI USA ; Center for Stem Cell Research and Application; Institute of Hematology; Union Hospital, Tongji Medical College ; Huazhong University of Science and Technology ; Wuhan, China
| | - Alfred E Chang
- University of Michigan Comprehensive Cancer Cente; Ann Arbor , MI USA
| | - Yangyang Hu
- University of Michigan Comprehensive Cancer Cente; Ann Arbor , MI USA ; Center for Stem Cell Research and Application; Institute of Hematology; Union Hospital, Tongji Medical College ; Huazhong University of Science and Technology ; Wuhan, China
| | - Guoshun Shu
- University of Michigan Comprehensive Cancer Cente; Ann Arbor , MI USA ; Second Xiangya Hospital; Central South University ; Changsha, Hunan, China
| | - Quanning Chen
- University of Michigan Comprehensive Cancer Cente; Ann Arbor , MI USA ; Department of General Surgery; Tongji Hospital of Tongji University ; Shanghai, China
| | - Martin Egenti
- University of Michigan Comprehensive Cancer Cente; Ann Arbor , MI USA
| | - John Owen
- University of Michigan Comprehensive Cancer Cente; Ann Arbor , MI USA
| | - Jeffrey S Moyer
- University of Michigan Comprehensive Cancer Cente; Ann Arbor , MI USA
| | - Mark Ep Prince
- University of Michigan Comprehensive Cancer Cente; Ann Arbor , MI USA
| | - Shiang Huang
- Center for Stem Cell Research and Application; Institute of Hematology; Union Hospital, Tongji Medical College ; Huazhong University of Science and Technology ; Wuhan, China
| | - Max S Wicha
- University of Michigan Comprehensive Cancer Cente; Ann Arbor , MI USA
| | - Jian-Chuan Xia
- State Key Laboratory of Oncology in Southern China and Department of Experimental Research; Sun Yat-sen University Cancer Center ; Guangzhou, China
| | - Qiao Li
- University of Michigan Comprehensive Cancer Cente; Ann Arbor , MI USA
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Abstract
Glioblastoma Multiforme (GBM) is a rapidly progressing brain tumor. Despite the relatively low percentage of cancer patients with glioma diagnoses, recent statistics indicate that the number of glioma patients may have increased over the past decade. Current therapeutic options for glioma patients include tumor resection, chemotherapy, and concomitant radiation therapy with an average survival of approximately 16 months. The rapid progression of gliomas has spurred the development of novel treatment options, such as cancer gene therapy and oncolytic virotherapy. Preclinical testing of oncolytic adenoviruses using glioma models revealed both positive and negative sides of the virotherapy approach. Here we present a detailed overview of the glioma virotherapy field and discuss auxiliary therapeutic strategies with the potential for augmenting clinical efficacy of GBM virotherapy treatment.
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Affiliation(s)
- I.V. Ulasov
- Swedish Medical Center, Center for Advanced Brain Tumor Treatment, 550 17th Avenue, James Tower, Suite 570, Seattle, WA 98122, USA
- Institute of Experimental Diagnostic and Biotherapy, N.N. Blokhin Cancer Research Center (RONC), Moscow 115478, Russia
- Corresponding author. Ben & Catherine Ivy Center for Advanced Brain Tumor Treatment, Swedish Neuroscience Institute, 550 17th Avenue, James Tower, Suite 570, Seattle, WA 98122, USA. Tel.: +1 206 991 2053; fax: +1 206 834 2608.
| | - A.V. Borovjagin
- Institute of Oral Health Research, University of Alabama at Birmingham School of Dentistry, 1919 7th Ave South, Birmingham, AL, 35294, USA
| | - B.A. Schroeder
- Michigan State University College of Medicine, Grand Rapids, MI, 49503, USA
| | - A.Y. Baryshnikov
- Institute of Experimental Diagnostic and Biotherapy, N.N. Blokhin Cancer Research Center (RONC), Moscow 115478, Russia
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Tong Y, Qian W. Targeting cancer stem cells with oncolytic virus. Stem Cell Investig 2014; 1:20. [PMID: 27358866 DOI: 10.3978/j.issn.2306-9759.2014.11.01] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Accepted: 11/14/2014] [Indexed: 12/23/2022]
Abstract
Cancer stem cells (CSCs) represent a distinct subpopulation of cancer cells which are shown to be relatively resistant to conventional anticancer therapies and have been correlated to disease recurrence. Oncolytic viruses utilize methods of cell killing that differ from traditional therapies and thus are able to elude the typical mechanisms that CSCs use to resist current chemotherapies and radiotherapies. Moreover, genetically engineered oncolytic viruses may further augment the oncolytic effects. Here we review the recent data regarding the ability of several oncolytic viruses to eradicate CSCs.
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Affiliation(s)
- Yin Tong
- 1 Department of Hematology, Shanghai General Hospital, Shanghai 200080, China ; 2 Institute of Hematology, the First Afflilated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Wenbin Qian
- 1 Department of Hematology, Shanghai General Hospital, Shanghai 200080, China ; 2 Institute of Hematology, the First Afflilated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China
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Chen RF, Li YY, Li LT, Cheng Q, Jiang G, Zheng JN. Novel oncolytic adenovirus sensitizes renal cell carcinoma cells to radiotherapy via mitochondrial apoptotic cell death. Mol Med Rep 2014; 11:2141-6. [PMID: 25411768 DOI: 10.3892/mmr.2014.2987] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Accepted: 07/04/2014] [Indexed: 11/06/2022] Open
Abstract
Renal cell carcinoma is the most frequent kidney malignancy and patients with metastatic disease have a poor prognosis. Suppressed apoptosis and marked invasiveness are distinctive features of renal cell carcinoma. In the present study, a dual‑regulated oncolytic adenovirus expressing the interluekin (IL)‑24 gene (Ki67‑ZD55‑IL‑24) was constructed utilizing the Ki67 promoter to replace the native viral promoter of the E1A gene. Whether the combination of Ki67‑ZD55‑IL‑24‑mediated gene virotherapy and radiotherapy produced increased cytotoxicity in renal cell carcinoma cells via mitochondrial apoptotic cell death was investigated. The data indicated that this novel strategy has the potential to be further developed into an effective approach to treat renal cell carcinoma. The results showed that the combination of Ki67‑ZD55‑IL‑24 and radiotherapy significantly enhanced anti‑tumour activity via increasing the induction of apoptosis in melanoma cells compared with the other agents.
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Affiliation(s)
- Ren-Fu Chen
- Department of Urology, Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
| | - Yue-Yan Li
- Department of Urology, Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
| | - Lian-Tao Li
- Jiangsu Key Laboratory of Biological Cancer Therapy, Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
| | - Qian Cheng
- Jiangsu Key Laboratory of Biological Cancer Therapy, Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
| | - Guan Jiang
- Jiangsu Key Laboratory of Biological Cancer Therapy, Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
| | - Jun-Nian Zheng
- Jiangsu Key Laboratory of Biological Cancer Therapy, Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
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Luo H, Zeng C, Fang C, Seeruttun SR, Lv L, Wang W. A new strategy using ALDHhigh-CD8+T cells to inhibit tumorigenesis. PLoS One 2014; 9:e103193. [PMID: 25105957 PMCID: PMC4126683 DOI: 10.1371/journal.pone.0103193] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Accepted: 06/28/2014] [Indexed: 12/19/2022] Open
Abstract
Background Currently, many studies suggest that cancer stem cells (CSCs) are responsible for tumor initiation, tumorigenesis, metastasis and recurrence. CSCs have been identified from various human and murine tumors. The identification of CSCs allows us to develop strategies to target the CSCs. Methods and Results In this study, we used ALDEFLUOR as a single marker to isolate the CSCs from the human lung cancer cell line H460. We then characterized the CSCs by testing their sphere formation ability and tumorigenicity. Furthermore, we used CSC lysate-pulsed dendritic cells to stimulate CD8+T cells as a treatment strategy. Our study demonstrated that ALDEFLUOR could be used as a single marker to identify CSCs from the human lung cancer cell line H460. The ALDHhigh cells could form more spheres and were more tumorigenic than the ALDHlow cells. Further study demonstrated that ALDHhigh-CD8+T cells conferred more significant antitumor effects, resulting in the inhibition of tumor growth and prolonged survival. And the ALDHhigh-CD8+T cells-mediated anti-tumor immunity might be due to the directly targeting against ALDHhigh cancer stem cells (CSCs). Conclusions This study shows that ALDHhigh-CD8+T cells mediate anti-tumor immunity by selectively targeting cancer stem cells, which result in inhibiting tumor growth and prolonging the survival of tumor-bearing mice, which provides a new strategy using ALDHhigh-CD8+T cells to treat tumors.
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Affiliation(s)
- Huiyan Luo
- Department of Oncology, the Third People's Hospital of Chongqing, Chongqing, P. R. China
- State Key Laboratory of Oncology in South China, Guangzhou, P. R. China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, P. R. China
| | - Changqing Zeng
- Department of Gastrointestinal Surgery, Fujian Provincial Hospital, Fuzhou, P. R. China
- Provincial Clinical Medical College of Fujian Medical University, Fuzhou, P. R. China
| | - Cheng Fang
- Department of Gastric and Pancreatic Surgery, Sun Yat-sen University Cancer Center, Guangzhou, P. R. China
- State Key Laboratory of Oncology in South China, Guangzhou, P. R. China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, P. R. China
| | - Sharvesh Raj Seeruttun
- Department of Gastric and Pancreatic Surgery, Sun Yat-sen University Cancer Center, Guangzhou, P. R. China
- State Key Laboratory of Oncology in South China, Guangzhou, P. R. China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, P. R. China
| | - Lin Lv
- State Key Laboratory of Oncology in South China, Guangzhou, P. R. China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, P. R. China
- Department of Medical Oncology, Guangzhou First People's Hospital, Guangzhou, P. R. China
- * E-mail: (WW); (LL)
| | - Wei Wang
- Department of Gastric and Pancreatic Surgery, Sun Yat-sen University Cancer Center, Guangzhou, P. R. China
- State Key Laboratory of Oncology in South China, Guangzhou, P. R. China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, P. R. China
- * E-mail: (WW); (LL)
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Wang W, Chen MN, Cheng K, Zhan LL, Zhang J. Cytotoxic effect of a combination of bluetongue virus and radiation on prostate cancer. Exp Ther Med 2014; 8:635-641. [PMID: 25009632 PMCID: PMC4079398 DOI: 10.3892/etm.2014.1751] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2013] [Accepted: 05/02/2014] [Indexed: 01/19/2023] Open
Abstract
This study aimed to investigate the lethal effect of the combination of bluetongue virus (BTV) and radiation on RM-1 murine prostate cancer cells in vitro and in vivo. Various cell lines were infected with BTV and the cytotoxicity was tested by a lactate dehydrogenase (LDH) release bioassay. Additionally, the RM-1 cells were treated with radiation and/or BTV to assess cell viability using the Cell Counting Kit-8 method. The levels of apoptosis of the RM-1 cells were detected by fluorescence-activated cell sorting (FACS). To identify a possible mechanism for the radiation-induced change in the oncolytic activity of BTV, cell cycle analyses were performed. The effects of different schedules of BTV and radiotherapy on cytotoxicity were assessed in vitro and the combined effect was also assessed in tumor models in vivo. The results demonstrated that BTV had a selective cytotoxic effect on RM-1 and PC-3 cancer cells, but did not affect normal cells, specifically, human umbilical vein endothelial cells and smooth muscle cells. The combination of BTV and radiation enhanced the cytotoxicity compared with that of each agent alone and had a synergistic effect in vitro and in vivo. The results of the FACS confirmed that radiotherapy induced apoptosis, as did BTV alone, and the combination treatment generated the most prominent levels of apoptosis, which were the highest in the early stage. The analysis of the cell cycle indicated that the G2-M phase levels increased after irradiation followed by infection with BTV. In conclusion, the combination of BTV and radiotherapy had an enhanced cytotoxic effect on RM-1 cells in vitro and in vivo compared with that of either treatment alone, and demonstrated a synergistic efficacy, in addition to a marked apoptosis-inducing effect. These results support the future investigation of BTV for potential clinical use in patients with prostate cancer.
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Affiliation(s)
- Wei Wang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Mei-Nan Chen
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
| | - Kai Cheng
- Huangshi Central Hospital, Hubei Polytechnic University, Huangshi, Hubei 435000, P.R. China
| | - Li-Li Zhan
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Jie Zhang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China ; Huangshi Central Hospital, Hubei Polytechnic University, Huangshi, Hubei 435000, P.R. China
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Cichoń T, Smolarczyk R, Matuszczak S, Barczyk M, Jarosz M, Szala S. D-K6L 9 peptide combination with IL-12 inhibits the recurrence of tumors in mice. Arch Immunol Ther Exp (Warsz) 2014; 62:341-51. [PMID: 24487722 PMCID: PMC4092230 DOI: 10.1007/s00005-014-0268-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Accepted: 10/11/2013] [Indexed: 01/01/2023]
Abstract
D-K6L9 peptide is bound by phosphatidylserine and induces necrosis in cancer cells. In our therapeutic experience, this peptide, when administered directly into B16-F10 murine melanoma tumors, inhibited their growth. Cessation of therapy results, however, in tumor relapse. We aimed at developing a combined therapy involving D-K6L9 and additional factors that would yield complete elimination of tumor cells in experimental animals. To this purpose, we employed glycyrrhizin, an inhibitor of HMGB1 protein, BP1 peptide and interleukin (IL)-12. Glycyrrhizin or BP1, when combined with D-K6L9, inhibits growth of primary tumors only during the period of their administration. A long-term tumor growth inhibitory effect was obtained only in combining D-K6L9 with IL-12. At 2 months following therapy cessation, 60 % of animals were alive. Prolonged survival was noted in mice bearing B16-F10 tumors as well as in mice bearing C26 colon carcinoma tumors.
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Affiliation(s)
- Tomasz Cichoń
- Center for Translational Research and Molecular Biology of Cancer, Maria Skłodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Wybrzeże Armii Krajowej 15, 44-101, Gliwice, Poland,
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Tanoue K, Wang Y, Ikeda M, Mitsui K, Irie R, Setoguchi T, Komiya S, Natsugoe S, Kosai KI. Survivin-responsive conditionally replicating adenovirus kills rhabdomyosarcoma stem cells more efficiently than their progeny. J Transl Med 2014; 12:27. [PMID: 24467821 PMCID: PMC3925355 DOI: 10.1186/1479-5876-12-27] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Accepted: 01/22/2014] [Indexed: 12/13/2022] Open
Abstract
Background Effective methods for eradicating cancer stem cells (CSCs), which are highly tumorigenic and resistant to conventional therapies, are urgently needed. Our previous studies demonstrated that survivin-responsive conditionally replicating adenoviruses regulated with multiple factors (Surv.m-CRAs), which selectively replicate in and kill a broad range of cancer-cell types, are promising anticancer agents. Here we examined the therapeutic potentials of a Surv.m-CRA against rhabdomyosarcoma stem cells (RSCs), in order to assess its clinical effectiveness and usefulness. Methods Our previous study demonstrated that fibroblast growth factor receptor 3 (FGFR3) is a marker of RSCs. We examined survivin mRNA levels, survivin promoter activities, relative cytotoxicities of Surv.m-CRA in RSC-enriched (serum-minus) vs. RSC-exiguous (serum-plus) and FGFR3-positive vs. FGFR3-negative sorted rhabdomyosarcoma cells, and the in vivo therapeutic effects of Surv.m-CRAs on subcutaneous tumors in mice. Results Both survivin mRNA levels and survivin promoter activities were significantly elevated under RSC-enriched relative to RSC-exiguous culture conditions, and the elevation was more prominent in FGFR3-positive vs. FGFR3-negative sorted cells than in RSC-enriched vs. RSC-exiguous conditions. Although Surv.m-CRA efficiently replicated and potently induced cell death in all populations of rhabdomyosarcoma cells, the cytotoxic effects were more pronounced in RSC-enriched or RSC-purified cells than in RSC-exiguous or progeny-purified cells. Injections of Surv.m-CRAs into tumor nodules generated by transplanting RSC-enriched cells induced significant death of rhabdomyosarcoma cells and regression of tumor nodules. Conclusions The unique therapeutic features of Surv.m-CRA, i.e., not only its therapeutic effectiveness against all cell populations but also its increased effectiveness against CSCs, suggest that Surv.m-CRA is promising anticancer agent.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Ken-Ichiro Kosai
- Department of Gene Therapy and Regenerative Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan.
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Li Q, Lu L, Tao H, Xue C, Teitz-Tennenbaum S, Owen JH, Moyer JS, Prince MEP, Chang AE, Wicha MS. Generation of a novel dendritic-cell vaccine using melanoma and squamous cancer stem cells. J Vis Exp 2014:e50561. [PMID: 24430104 PMCID: PMC4063547 DOI: 10.3791/50561] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
We identified cancer stem cell (CSC)-enriched populations from murine melanoma D5 syngeneic to C57BL/6 mice and the squamous cancer SCC7 syngeneic to C3H mice using ALDEFLUOR/ALDH as a marker, and tested their immunogenicity using the cell lysate as a source of antigens to pulse dendritic cells (DCs). DCs pulsed with ALDH(high) CSC lysates induced significantly higher protective antitumor immunity than DCs pulsed with the lysates of unsorted whole tumor cell lysates in both models and in a lung metastasis setting and a s.c. tumor growth setting, respectively. This phenomenon was due to CSC vaccine-induced humoral as well as cellular anti-CSC responses. In particular, splenocytes isolated from the host subjected to CSC-DC vaccine produced significantly higher amount of IFNγ and GM-CSF than splenocytes isolated from the host subjected to unsorted tumor cell lysate pulsed-DC vaccine. These results support the efforts to develop an autologous CSC-based therapeutic vaccine for clinical use in an adjuvant setting.
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Affiliation(s)
- Qiao Li
- Department of Surgery, University of Michigan
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Tamura K, Aoyagi M, Ando N, Ogishima T, Wakimoto H, Yamamoto M, Ohno K. Expansion of CD133-positive glioma cells in recurrent de novo glioblastomas after radiotherapy and chemotherapy. J Neurosurg 2013; 119:1145-55. [DOI: 10.3171/2013.7.jns122417] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Object
Recent evidence suggests that a glioma stem cell subpopulation may determine the biological behavior of tumors, including resistance to therapy. To investigate this hypothesis, the authors examined varying grades of gliomas for stem cell marker expressions and histopathological changes between primary and recurrent tumors.
Methods
Tumor samples were collected during surgery from 70 patients with varying grades of gliomas (Grade II in 12 patients, Grade III in 16, and Grade IV in 42) prior to any adjuvant treatment. The samples were subjected to immunohistochemistry for MIB-1, factor VIII, GFAP, and stem cell markers (CD133 and nestin). Histopathological changes were compared between primary and recurrent tumors in 31 patients after radiation treatment and chemotherapy, including high-dose irradiation with additional stereotactic radiosurgery.
Results
CD133 expression on glioma cells was confined to de novo glioblastomas but was not observed in lower-grade gliomas. In de novo glioblastomas, the mean percentage of CD133-positive glioma cells in sections obtained at recurrence was 12.2% ± 10.3%, which was significantly higher than that obtained at the primary surgery (1.08% ± 1.78%). CD133 and Ki 67 dual-positive glioma cells were significantly increased in recurrent de novo glioblastomas as compared with those in primary tumors (14.5% ± 6.67% vs 2.16% ± 2.60%, respectively). In contrast, secondary glioblastomas rarely expressed CD133 antigen even after malignant progression following radiotherapy and chemotherapy.
Conclusions
The authors' results indicate that CD133-positive glioma stem cells could survive, change to a proliferative cancer stem cell phenotype, and cause recurrence in cases with de novo glioblastomas after radiotherapy and chemotherapy.
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Affiliation(s)
| | | | - Noboru Ando
- 2Pathology, Tokyo Medical and Dental University, Tokyo, Japan
| | | | - Hiroaki Wakimoto
- 3Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; and
| | - Masaaki Yamamoto
- 4Department of Neurosurgery, Katsuta Hospital Mito GammaHouse, Ibaraki, Japan
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Kwiatkowska A, Nandhu MS, Behera P, Chiocca EA, Viapiano MS. Strategies in gene therapy for glioblastoma. Cancers (Basel) 2013; 5:1271-305. [PMID: 24202446 PMCID: PMC3875940 DOI: 10.3390/cancers5041271] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Accepted: 10/15/2013] [Indexed: 01/01/2023] Open
Abstract
Glioblastoma (GBM) is the most aggressive form of brain cancer, with a dismal prognosis and extremely low percentage of survivors. Novel therapies are in dire need to improve the clinical management of these tumors and extend patient survival. Genetic therapies for GBM have been postulated and attempted for the past twenty years, with variable degrees of success in pre-clinical models and clinical trials. Here we review the most common approaches to treat GBM by gene therapy, including strategies to deliver tumor-suppressor genes, suicide genes, immunomodulatory cytokines to improve immune response, and conditionally-replicating oncolytic viruses. The review focuses on the strategies used for gene delivery, including the most common and widely used vehicles (i.e., replicating and non-replicating viruses) as well as novel therapeutic approaches such as stem cell-mediated therapy and nanotechnologies used for gene delivery. We present an overview of these strategies, their targets, different advantages, and challenges for success. Finally, we discuss the potential of gene therapy-based strategies to effectively attack such a complex genetic target as GBM, alone or in combination with conventional therapy.
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Affiliation(s)
- Aneta Kwiatkowska
- Department of Neurosurgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA.
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Young BA, Spencer JF, Ying B, Toth K, Wold WSM. The effects of radiation on antitumor efficacy of an oncolytic adenovirus vector in the Syrian hamster model. Cancer Gene Ther 2013; 20:531-7. [PMID: 23928730 PMCID: PMC3778061 DOI: 10.1038/cgt.2013.50] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2013] [Accepted: 07/03/2013] [Indexed: 12/19/2022]
Abstract
We report that radiation enhances the antitumor efficacy of the oncolytic adenovirus vector VRX-007 in Syrian hamster tumors. We used tumor-specific irradiation of subcutaneous tumors and compared treatment options of radiation alone or combined with VRX-007 and cyclophosphamide (CP). Radiation therapy further augmented the VRX-007-mediated inhibition of tumor growth, in both CP-treated and non-CP-treated hamsters, even though radiation did not lead to increased viral replication in tumors when compared to those treated with VRX-007 alone. Moreover, tumor growth inhibition was similar in tumors irradiated either one week before or after injection with VRX-007, which suggests that radiation exerts its antitumor effect independently from vector therapy. Thus, our results demonstrate that these two therapies do not have to be provided simultaneously to enhance their combined effectiveness against subcutaneous hamster tumors.
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Affiliation(s)
- B A Young
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St Louis, MO, USA
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Dey M, Auffinger B, Lesniak MS, Ahmed AU. Antiglioma oncolytic virotherapy: unattainable goal or a success story in the making? Future Virol 2013; 8:675-693. [PMID: 24910708 DOI: 10.2217/fvl.13.47] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Initial observations from as early as the mid-1800s suggested that patients suffering from hematological malignancies would transiently go into remission upon naturally contracting viral infections laid the foundation for the oncolytic virotherapy research field. Since then, research focusing on anticancer oncolytic virotherapy has rapidly evolved. Today, oncolytic viral vectors have been engineered to stimulate and manipulate the host immune system, selectively targeting tumor tissues while sparing non-neoplastic cells. Glioblastoma multiforme, the most common adult primary brain tumor, has a disasterous history. It is one of the most deadly cancers known to humankind. Over the last century our understanding of this disease has grown exponentially. However, the median survival of patients suffering from this disease has only been extended by a few months. Even with the best, most aggressive modern therapeutic approaches available, malignant gliomas are still virtually 100% fatal. Motivated by the desperate need to find effective treatment strategies, more investments have been applied to oncolytic virotherapy preclinical and clinical studies. In this review we will discuss the antiglioma oncolytic virotherapy research field. We will survey its history and the principles laid down to serve as basis for preclinical works. We will also debate the variety of viral vectors used, their clinical applications, the lessons learned from clinical trials and possible future directions.
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Affiliation(s)
- Mahua Dey
- The Brain Tumor Center, The University of Chicago Pritzker School of Medicine, 5841 South Maryland Avenue, MC 3026, Chicago, IL 60637, USA
| | - Brenda Auffinger
- The Brain Tumor Center, The University of Chicago Pritzker School of Medicine, 5841 South Maryland Avenue, MC 3026, Chicago, IL 60637, USA
| | - Maciej S Lesniak
- The Brain Tumor Center, The University of Chicago Pritzker School of Medicine, 5841 South Maryland Avenue, MC 3026, Chicago, IL 60637, USA
| | - Atique U Ahmed
- The Brain Tumor Center, The University of Chicago Pritzker School of Medicine, 5841 South Maryland Avenue, MC 3026, Chicago, IL 60637, USA
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Abstract
Oncolytic virotherapy is a new strategy to reduce tumor burden through selective virus replication in rapidly proliferating cells. Oncolytic viruses are members of at least ten virus families, each with its advantages and disadvantages. Here, I briefly review the recent advances and key challenges, as exemplified by the best-studied platforms. Recent advances include preclinical proof of feasibility, clinical evidence of tolerability and effectiveness, and the development of new strategies to improve efficacy. These include engineered tumor selectivity and expression of antitumorigenic genes that could function independently of virus replication, identification of combinatorial therapies that accelerate intratumoral virus propagation, and modification of immune responses and vascular delivery for treatment of metastatic disease. Key challenges are to select "winners" from the distinct oncolytic platforms that can stimulate anti-cancer immunity without affecting virus replication and can lyse cancer stem cells, which are most likely responsible for tumor maintenance, aggressiveness, and recurrence. Preventing the emergence of resistant tumor cells during virotherapy through the activation of multiple death pathways, the development of a better understanding of the mechanisms of cancer stem-cell lysis, and the development of more meaningful preclinical animal models are additional challenges for the next-generation of engineered viruses.
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Affiliation(s)
- Laure Aurelian
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, USA
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Auffinger B, Ahmed AU, Lesniak MS. Oncolytic virotherapy for malignant glioma: translating laboratory insights into clinical practice. Front Oncol 2013; 3:32. [PMID: 23443138 PMCID: PMC3580888 DOI: 10.3389/fonc.2013.00032] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2012] [Accepted: 02/04/2013] [Indexed: 12/12/2022] Open
Abstract
Glioblastoma multiforme, one of the most common and aggressive brain tumors in adults, is highly resistant to currently available therapies and often recurs. Due to its poor prognosis and difficult management, there is an urgent need for the development and translation of new anti-glioma therapeutic approaches into the clinic. In this context, oncolytic virotherapy arises as an exciting treatment option for glioma patients. These natural or genetically engineered viruses are able to effectively infect cancer cells, inducing a specific anti-tumor cytotoxic effect. In addition, some viruses have been redesigned to modulate glioma microenvironment, to express cytokines to boost a systemic anti-glioma immune response and to incorporate angiostatic genes to decrease glioma vasculature. Although recent clinical trials have confirmed the safety of oncolytic virotherapies in the brain, their moderate clinical efficacy has not yet matched the encouraging preclinical laboratory results. In this review, we will discuss the leading anti-glioma virotherapy approaches that are presently under preclinical and clinical evaluation. We will also review different delivery methods, in vivo virus behavior, fate, replication, intratumoral spread, activation of anti-tumor immune response, and targeting of glioma stem cells. We will focus on the advantages and limitations of each therapeutic approach and how to overcome these hurdles to effectively translate exciting laboratory results into promising clinical trials.
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Affiliation(s)
- Brenda Auffinger
- The Brain Tumor Center, The University of Chicago Chicago, IL, USA
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Tobias A, Ahmed A, Moon KS, Lesniak MS. The art of gene therapy for glioma: a review of the challenging road to the bedside. J Neurol Neurosurg Psychiatry 2013; 84:213-22. [PMID: 22993449 PMCID: PMC3543505 DOI: 10.1136/jnnp-2012-302946] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Glioblastoma multiforme (GBM) is a highly invasive brain tumour that is unvaryingly fatal in humans despite even aggressive therapeutic approaches such as surgical resection followed by chemotherapy and radiotherapy. Unconventional treatment options such as gene therapy provide an intriguing option for curbing glioma related deaths. To date, gene therapy has yielded encouraging results in preclinical animal models as well as promising safety profiles in phase I clinical trials, but has failed to demonstrate significant therapeutic efficacy in phase III clinical trials. The most widely studied antiglioma gene therapy strategies are suicide gene therapy, genetic immunotherapy and oncolytic virotherapy, and we have attributed the challenging transition of these modalities into the clinic to four major roadblocks: (1) anatomical features of the central nervous system, (2) the host immune system, (3) heterogeneity and invasiveness of GBM and (4) limitations in current GBM animal models. In this review, we discuss possible ways to jump these hurdles and develop new gene therapies that may be used alone or in synergy with other modalities to provide a powerful treatment option for patients with GBM.
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Affiliation(s)
- Alex Tobias
- Brain Tumour Center, The University of Chicago, 5841 South Maryland Ave, MC 3026, Chicago, IL 60637, USA
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Ning N, Pan Q, Zheng F, Teitz-Tennenbaum S, Egenti M, Yet J, Li M, Ginestier C, Wicha MS, Moyer JS, Prince MEP, Xu Y, Zhang XL, Huang S, Chang AE, Li Q. Cancer stem cell vaccination confers significant antitumor immunity. Cancer Res 2012; 72:1853-64. [PMID: 22473314 DOI: 10.1158/0008-5472.can-11-1400] [Citation(s) in RCA: 156] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Most studies of cancer stem cells (CSC) involve the inoculation of cells from human tumors into immunosuppressed mice, preventing an assessment on the immunologic interactions and effects of CSCs. In this study, we examined the vaccination effects produced by CSC-enriched populations from histologically distinct murine tumors after their inoculation into different syngeneic immunocompetent hosts. Enriched CSCs were immunogenic and more effective as an antigen source than unselected tumor cells in inducing protective antitumor immunity. Immune sera from CSC-vaccinated hosts contained high levels of IgG which bound to CSCs, resulting in CSC lysis in the presence of complement. CTLs generated from peripheral blood mononuclear cells or splenocytes harvested from CSC-vaccinated hosts were capable of killing CSCs in vitro. Mechanistic investigations established that CSC-primed antibodies and T cells were capable of selective targeting CSCs and conferring antitumor immunity. Together, these proof-of-concept results provide a rationale for a new type of cancer immunotherapy based on the development of CSC vaccines that can specifically target CSCs.
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Affiliation(s)
- Ning Ning
- Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
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Friedman GK, Cassady KA, Beierle EA, Markert JM, Gillespie GY. Targeting pediatric cancer stem cells with oncolytic virotherapy. Pediatr Res 2012; 71:500-10. [PMID: 22430386 PMCID: PMC3607376 DOI: 10.1038/pr.2011.58] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Cancer stem cells (CSCs), also termed "cancer-initiating cells" or "cancer progenitor cells," which have the ability to self-renew, proliferate, and maintain the neoplastic clone, have recently been discovered in a wide variety of pediatric tumors. These CSCs are thought to be responsible for tumorigenesis and tumor maintenance, aggressiveness, and recurrence due to inherent resistance to current treatment modalities such as chemotherapy and radiation. Oncolytic virotherapy offers a novel, targeted approach for eradicating pediatric CSCs using mechanisms of cell killing that differ from conventional therapies. Moreover, oncolytic viruses have the ability to target specific features of CSCs such as cell-surface proteins, transcription factors, and the CSC microenvironment. Through genetic engineering, a wide variety of foreign genes may be expressed by oncolytic viruses to augment the oncolytic effect. We review the current data regarding the ability of several types of oncolytic viruses (herpes simplex virus-1, adenovirus, reovirus, Seneca Valley virus, vaccinia virus, Newcastle disease virus, myxoma virus, vesicular stomatitis virus) to target and kill both CSCs and tumor cells in pediatric tumors. We highlight advantages and limitations of each virus and potential ways in which next-generation engineered viruses may target resilient CSCs.
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Affiliation(s)
- Gregory K. Friedman
- Department of Pediatrics [G.K.F., K.A.C.], University of Alabama at Birmingham, Birmingham, AL 35233
| | - Kevin A. Cassady
- Department of Pediatrics [G.K.F., K.A.C.], University of Alabama at Birmingham, Birmingham, AL 35233
| | - Elizabeth A. Beierle
- Department of Surgery [E.A.B, J.M.M., G.Y.G], University of Alabama at Birmingham, Birmingham, AL 35233
| | - James M. Markert
- Department of Surgery [E.A.B, J.M.M., G.Y.G], University of Alabama at Birmingham, Birmingham, AL 35233
| | - G. Yancey Gillespie
- Department of Surgery [E.A.B, J.M.M., G.Y.G], University of Alabama at Birmingham, Birmingham, AL 35233
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Muik A, von Laer D. Oncolytic virotherapy of glioma: what does it need to make it work? Future Virol 2011. [DOI: 10.2217/fvl.11.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Oncolytic virotherapy is a highly promising approach, with diverse viruses currently under development as therapeutic agents to treat malignant glioma. Although the first clinical trials did not show toxicity or serious adverse events related to intracerebral administration, overall the antitumor efficacy has fallen short of expectations. This article discusses multiple options on how to improve and maximize the effectiveness of oncolytic virus therapy in brain cancer, including strategies to enhance safety by attenuating neurovirulence via cancer-specific cell-targeting, increasing antitumor potency by transgene-arming and integrating the ability to trigger an effective antitumoral immune response, as well as developing optimized delivery routes in order to boost intratumoral viral distribution. Eventually, it will highlight the use of multipronged approaches, combining multiple modes of action of different agents.
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Affiliation(s)
| | - Dorothee von Laer
- Division of Virology, Innsbruck Medical University, Fritz-Pregl-Str. 3, A-6020 Innsbruck, Austria
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Abstract
The cytolytic properties of viruses can be used to treat cancer. Replication of certain viruses is favoured in cancer cells, whereas others can be modified to obtain tumour specificity. This approach has evolved to become a new discipline called virotherapy. In addition, these replication-competent (oncolytic) viruses can be adapted as vectors for cancer gene therapy. The "armed" viruses show a double mechanism of action: direct destruction of cancer cells as a consequence of the lytic viral cycle, in combination with the effect of the therapeutic gene incorporated in the viral genome. Current trends in the field include strategies to increase the oncolytic potency of existing viruses; the evaluation of new candidates; the search for synergistic effects between different viruses and conventional therapies; and a rational approach to take advantage of the interplay between the viruses and the host immune system. This review summarises the most relevant achievements in recent years.
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