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Traynor S, Jakobsen MK, Green TM, Komic H, Palarasah Y, Pedersen CB, Ditzel HJ, Thoren FB, Guldberg P, Gjerstorff MF. Single-cell sequencing unveils extensive intratumoral heterogeneity of cancer/testis antigen expression in melanoma and lung cancer. J Immunother Cancer 2024; 12:e008759. [PMID: 38886115 PMCID: PMC11184195 DOI: 10.1136/jitc-2023-008759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/27/2024] [Indexed: 06/20/2024] Open
Abstract
Cancer/testis antigens (CTAs) are widely expressed in melanoma and lung cancer, emerging as promising targets for vaccination strategies and T-cell-based therapies in these malignancies. Despite recognizing the essential impact of intratumoral heterogeneity on clinical responses to immunotherapy, our understanding of intratumoral heterogeneity in CTA expression has remained limited. We employed single-cell mRNA sequencing to delineate the CTA expression profiles of cancer cells in clinically derived melanoma and lung cancer samples. Our findings reveal a high degree of intratumoral transcriptional heterogeneity in CTA expression. In melanoma, every cell expressed at least one CTA. However, most individual CTAs, including the widely used therapeutic targets NY-ESO-1 and MAGE, were confined to subpopulations of cells and were uncoordinated in their expression, resulting in mosaics of cancer cells with diverse CTA profiles. Coordinated expression was observed, however, mainly among highly structurally and evolutionarily related CTA genes. Importantly, a minor subset of CTAs, including PRAME and several members of the GAGE and MAGE-A families, were homogenously expressed in melanomas, highlighting their potential as therapeutic targets. Extensive heterogeneity in CTA expression was also observed in lung cancer. However, the frequency of CTA-positive cancer cells was notably lower and homogenously expressed CTAs were only identified in one of five tumors in this cancer type. Our findings underscore the need for careful CTA target selection in immunotherapy development and clinical testing and offer a rational framework for identifying the most promising candidates.
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Affiliation(s)
- Sofie Traynor
- Department of Cancer and Inflammation Research, Institute for Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Mie K Jakobsen
- Department of Cancer and Inflammation Research, Institute for Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Tina M Green
- Department of Pathology, Odense University Hospital, Odense, Denmark
| | - Hana Komic
- TIMM Laboratory at Sahlgrenska Center for Cancer Research, University of Gothenburg, Goteborg, Sweden
- Department of Medical Biochemistry and Cell Biology, University of Gothenburg, Goteborg, Sweden
| | - Yaseelan Palarasah
- Department of Cancer and Inflammation Research, Institute for Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Christina B Pedersen
- Department of Cancer and Inflammation Research, Institute for Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Henrik J Ditzel
- Department of Cancer and Inflammation Research, Institute for Molecular Medicine, University of Southern Denmark, Odense, Denmark
- Department of Oncology, Odense University Hospital, Odense, Denmark
| | - Fredrik B Thoren
- TIMM Laboratory at Sahlgrenska Center for Cancer Research, University of Gothenburg, Goteborg, Sweden
- Department of Medical Biochemistry and Cell Biology, University of Gothenburg, Goteborg, Sweden
| | - Per Guldberg
- Department of Cancer and Inflammation Research, Institute for Molecular Medicine, University of Southern Denmark, Odense, Denmark
- Danish Cancer Institute, Kobenhavn, Denmark
| | - Morten F Gjerstorff
- Department of Cancer and Inflammation Research, Institute for Molecular Medicine, University of Southern Denmark, Odense, Denmark
- Department of Oncology, Odense University Hospital, Odense, Denmark
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Al Hmada Y, Brodell RT, Kharouf N, Flanagan TW, Alamodi AA, Hassan SY, Shalaby H, Hassan SL, Haikel Y, Megahed M, Santourlidis S, Hassan M. Mechanisms of Melanoma Progression and Treatment Resistance: Role of Cancer Stem-like Cells. Cancers (Basel) 2024; 16:470. [PMID: 38275910 PMCID: PMC10814963 DOI: 10.3390/cancers16020470] [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: 12/05/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 01/27/2024] Open
Abstract
Melanoma is the third most common type of skin cancer, characterized by its heterogeneity and propensity to metastasize to distant organs. Melanoma is a heterogeneous tumor, composed of genetically divergent subpopulations, including a small fraction of melanoma-initiating cancer stem-like cells (CSCs) and many non-cancer stem cells (non-CSCs). CSCs are characterized by their unique surface proteins associated with aberrant signaling pathways with a causal or consequential relationship with tumor progression, drug resistance, and recurrence. Melanomas also harbor significant alterations in functional genes (BRAF, CDKN2A, NRAS, TP53, and NF1). Of these, the most common are the BRAF and NRAS oncogenes, with 50% of melanomas demonstrating the BRAF mutation (BRAFV600E). While the successful targeting of BRAFV600E does improve overall survival, the long-term efficacy of available therapeutic options is limited due to adverse side effects and reduced clinical efficacy. Additionally, drug resistance develops rapidly via mechanisms involving fast feedback re-activation of MAPK signaling pathways. This article updates information relevant to the mechanisms of melanoma progression and resistance and particularly the mechanistic role of CSCs in melanoma progression, drug resistance, and recurrence.
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Affiliation(s)
- Youssef Al Hmada
- Department of Pathology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA; (Y.A.H.); (R.T.B.)
| | - Robert T. Brodell
- Department of Pathology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA; (Y.A.H.); (R.T.B.)
| | - Naji Kharouf
- Institut National de la Santé et de la Recherche Médicale, University of Strasbourg, 67000 Strasbourg, France; (N.K.); (Y.H.)
- Department of Operative Dentistry and Endodontics, Dental Faculty, University of Strasbourg, 67000 Strasbourg, France
| | - Thomas W. Flanagan
- Department of Pharmacology and Experimental Therapeutics, LSU Health Sciences Center, New Orleans, LA 70112, USA;
| | - Abdulhadi A. Alamodi
- College of Health Sciences, Jackson State University, 310 W Woodrow Wilson Ave Ste 300, Jackson, MS 39213, USA;
| | - Sofie-Yasmin Hassan
- Department of Pharmacy, Faculty of Science, Heinrich-Heine University Duesseldorf, 40225 Dusseldorf, Germany;
| | - Hosam Shalaby
- Department of Urology, Tulane University School of Medicine, New Orleans, LA 70112, USA;
| | - Sarah-Lilly Hassan
- Department of Chemistry, Faculty of Science, Heinrich-Heine University Duesseldorf, 40225 Dusseldorf, Germany;
| | - Youssef Haikel
- Institut National de la Santé et de la Recherche Médicale, University of Strasbourg, 67000 Strasbourg, France; (N.K.); (Y.H.)
- Department of Operative Dentistry and Endodontics, Dental Faculty, University of Strasbourg, 67000 Strasbourg, France
- Pôle de Médecine et Chirurgie Bucco-Dentaire, Hôpital Civil, Hôpitaux Universitaire de Strasbourg, 67000 Strasbourg, France
| | - Mosaad Megahed
- Clinic of Dermatology, University Hospital of Aachen, 52074 Aachen, Germany;
| | - Simeon Santourlidis
- Epigenetics Core Laboratory, Medical Faculty, Institute of Transplantation Diagnostics and Cell Therapeutics, Heinrich Heine University Düsseldorf, 40225 Dusseldorf, Germany;
| | - Mohamed Hassan
- Institut National de la Santé et de la Recherche Médicale, University of Strasbourg, 67000 Strasbourg, France; (N.K.); (Y.H.)
- Department of Operative Dentistry and Endodontics, Dental Faculty, University of Strasbourg, 67000 Strasbourg, France
- Research Laboratory of Surgery-Oncology, Department of Surgery, Tulane University School of Medicine, New Orleans, LA 70112, USA
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3
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Rastin F, Javid H, Oryani MA, Rezagholinejad N, Afshari AR, Karimi-Shahri M. Immunotherapy for colorectal cancer: Rational strategies and novel therapeutic progress. Int Immunopharmacol 2024; 126:111055. [PMID: 37992445 DOI: 10.1016/j.intimp.2023.111055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 09/30/2023] [Accepted: 10/09/2023] [Indexed: 11/24/2023]
Abstract
There are increasing incidences and mortality rates for colorectal cancer in the world. It is common for chemotherapy and radiation given to patients with colorectal cancer to cause toxicities that limit their effectiveness and cause cancer cells to become resistant to these treatments. Additional targeted treatments are needed to improve patient's quality of life and outcomes. Immunotherapy has rapidly emerged as an incredibly exciting and promising avenue for cancer treatment in recent years. This innovative approach provides novel options for tackling solid tumors, effectively establishing itself as a new cornerstone in cancer treatment. Specifically, in the realm of colorectal cancer (CRC), there is great promise in developing new drugs that target immune checkpoints, offering a hopeful and potentially transformative solution. While immunotherapy of CRC has made significant advances, there are still obstacles and limitations. CRC patients have a poor response to treatment because of the immune-suppressing function of their tumor microenvironment (TME). In addition to blocking inhibitory immune checkpoints, checkpoint-blocking antibodies may also boost immune responses against tumors. The review summarizes recent advances in immune checkpoint inhibitors (ICIs) for CRC, including CTLA-4, PD-1, PD-L1, LAG-3, and TIM-3.
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Affiliation(s)
- Farangis Rastin
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Hossein Javid
- Department of Medical Laboratory Sciences, Varastegan Institute for Medical Sciences, Mashhad, Iran; Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Mahsa Akbari Oryani
- Department of Pathology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Amir-R Afshari
- Department of Physiology and Pharmacology, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Mehdi Karimi-Shahri
- Department of Pathology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pathology, School of Medicine, Gonabad University of Medical Sciences, Gonabad, Iran.
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Cornista AM, Giolito MV, Baker K, Hazime H, Dufait I, Datta J, Khumukcham SS, De Ridder M, Roper J, Abreu MT, Breckpot K, Van der Jeught K. Colorectal Cancer Immunotherapy: State of the Art and Future Directions. GASTRO HEP ADVANCES 2023; 2:1103-1119. [PMID: 38098742 PMCID: PMC10721132 DOI: 10.1016/j.gastha.2023.09.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
Cancer immunotherapy has become an indispensable mode of treatment for a multitude of solid tumor cancers. Colorectal cancer (CRC) has been one of the many cancer types to benefit from immunotherapy, especially in advanced disease where standard treatment fails to prevent recurrence or results in poor survival. The efficacy of immunotherapy in CRC has not been without challenge, as early clinical trials observed dismal responses in unselected CRC patients treated with checkpoint inhibitors. Many studies and clinical trials have since refined immunotherapies available for CRC, solidifying immunotherapy as a powerful asset for CRC treatment. This review article examines CRC immunotherapies, from their foundation, through emerging avenues for improvement, to future directions.
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Affiliation(s)
- Alyssa Mauri Cornista
- Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, Florida
| | - Maria Virginia Giolito
- Department of Biomedical Sciences, Vrije Universiteit Brussel, Laboratory for Molecular and Cellular Therapy, Brussels, Belgium
| | - Kristi Baker
- Department of Oncology, University of Alberta, Edmonton, Canada
- Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, Canada
| | - Hajar Hazime
- Division of Gastroenterology, University of Miami Miller School of Medicine, Miami, Florida
| | - Inès Dufait
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Jashodeep Datta
- Sylvester Comprehensive Cancer Center, University of Miami, Miami, Florida
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, Florida
| | - Saratchandra Singh Khumukcham
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina
- Department of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina
| | - Mark De Ridder
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Jatin Roper
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina
- Department of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina
| | - Maria T. Abreu
- Division of Gastroenterology, University of Miami Miller School of Medicine, Miami, Florida
- Sylvester Comprehensive Cancer Center, University of Miami, Miami, Florida
| | - Karine Breckpot
- Department of Biomedical Sciences, Vrije Universiteit Brussel, Laboratory for Molecular and Cellular Therapy, Brussels, Belgium
| | - Kevin Van der Jeught
- Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, Florida
- Sylvester Comprehensive Cancer Center, University of Miami, Miami, Florida
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5
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Li CX, Qi Y, Chen Y, Zhang Y, Li B, Feng J, Zhang XZ. Tuning Bacterial Morphology to Enhance Anticancer Vaccination. ACS NANO 2023; 17:8815-8828. [PMID: 37093563 DOI: 10.1021/acsnano.3c02373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Morphology tuning is a potent strategy to modulate physiological effects of synthetic biomaterials, but it is rarely explored in microbe-based biochemicals due to the lack of artificial adjustability. Inspired by the interesting phenomenon of microbial transformation, Escherichia coli is rationally adjusted into filamentous morphology-adjusted bacteria (MABac) via chemical stimulation to prepare a bacteria-based vaccine adjuvant/carrier. Inactivated MABac display stronger immunogenicity and special delivery patterns (phagosome escape and cytoplasmic retention) that are sharply distinct from the short rod-shaped bacteria parent (Bac). Transcriptomic study further offers solid evidence for deeply understanding the in vivo activity of MABac-based vaccine, which more effectively motivates multiple cytosolic immune pathways (such as NOD-like receptors and STING) and induces pleiotropic immune responses in comparison with Bac. Harnessing the special functions caused by morphology tuning, the MABac-based adjuvant/carrier significantly improves the immunogenicity and delivery profile of cancer antigens in vivo, thus boosting cancer-specific immunity against the melanoma challenge. This study validates the feasibility of tuning bacterial morphology to improve their biological effects, establishing a facile engineering strategy that upgrades bacterial properties and functions without complex procedures like gene editing.
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Affiliation(s)
- Chu-Xin Li
- Key Laboratory of Biomedical Polymers of Ministry of Education and Department of Chemistry, Wuhan University, Wuhan 430072, PR China
| | - Yongdan Qi
- Key Laboratory of Biomedical Polymers of Ministry of Education and Department of Chemistry, Wuhan University, Wuhan 430072, PR China
| | - Yingge Chen
- Key Laboratory of Biomedical Polymers of Ministry of Education and Department of Chemistry, Wuhan University, Wuhan 430072, PR China
| | - Yu Zhang
- Key Laboratory of Biomedical Polymers of Ministry of Education and Department of Chemistry, Wuhan University, Wuhan 430072, PR China
| | - Bin Li
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, PR China
| | - Jun Feng
- Key Laboratory of Biomedical Polymers of Ministry of Education and Department of Chemistry, Wuhan University, Wuhan 430072, PR China
| | - Xian-Zheng Zhang
- Key Laboratory of Biomedical Polymers of Ministry of Education and Department of Chemistry, Wuhan University, Wuhan 430072, PR China
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6
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Jia W, Zhang T, Huang H, Feng H, Wang S, Guo Z, Luo Z, Ji X, Cheng X, Zhao R. Colorectal cancer vaccines: The current scenario and future prospects. Front Immunol 2022; 13:942235. [PMID: 35990683 PMCID: PMC9384853 DOI: 10.3389/fimmu.2022.942235] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 07/11/2022] [Indexed: 12/01/2022] Open
Abstract
Colorectal cancer (CRC) is one of the most common cancers worldwide. Current therapies such as surgery, chemotherapy, and radiotherapy encounter obstacles in preventing metastasis of CRC even when applied in combination. Immune checkpoint inhibitors depict limited effects due to the limited cases of CRC patients with high microsatellite instability (MSI-H). Cancer vaccines are designed to trigger the elevation of tumor-infiltrated lymphocytes, resulting in the intense response of the immune system to tumor antigens. This review briefly summarizes different categories of CRC vaccines, demonstrates the current outcomes of relevant clinical trials, and provides particular focus on recent advances on nanovaccines and neoantigen vaccines, representing the trend and emphasis of CRC vaccine development.
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Affiliation(s)
- Wenqing Jia
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Digestive surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Tao Zhang
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Digestive surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Haiyan Huang
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Digestive surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Haoran Feng
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Digestive surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shaodong Wang
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Digestive surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zichao Guo
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Digestive surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhiping Luo
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Digestive surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaopin Ji
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Digestive surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Xiaopin Ji, ; Xi Cheng, ; Ren Zhao,
| | - Xi Cheng
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Digestive surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Xiaopin Ji, ; Xi Cheng, ; Ren Zhao,
| | - Ren Zhao
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Digestive surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Xiaopin Ji, ; Xi Cheng, ; Ren Zhao,
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Zhao W, Jin L, Chen P, Li D, Gao W, Dong G. Colorectal cancer immunotherapy-Recent progress and future directions. Cancer Lett 2022; 545:215816. [PMID: 35810989 DOI: 10.1016/j.canlet.2022.215816] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 06/12/2022] [Accepted: 07/01/2022] [Indexed: 12/09/2022]
Abstract
Compared with conventional chemotherapy and targeted therapy, immunotherapy has changed the treatment prospects of various solid tumors and has recently become the main treatment method for metastatic or recurrent solid tumors, including malignant melanoma, non-small-cell lung cancer, and renal cell carcinoma. The application of immune checkpoint inhibitor (ICI)-based immunotherapy in patients with colorectal cancer (CRC) has yielded satisfactory results in terms of safety and efficacy, and several immunotherapeutic agents, including pembrolizumab, nivolumab, and ipilimumab, have been approved for the treatment of advanced CRC. The advent of other immunotherapies, such as chimeric antigen receptor-modified T (CAR-T) cells or cancer vaccines, have also contributed to the development of immunotherapy for CRC. Here, we summarize the findings of recent clinical trials on the efficacy of immunotherapy in CRC and briefly describe the mechanisms associated with tumor-intrinsic resistance to ICIs. We then discuss potential biomarkers for predicting the efficacy of immunotherapy.
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Affiliation(s)
- Wen Zhao
- School of Medicine, Nankai University, Tianjin, 300071, China; Department of General Surgery, Chinese PLA General Hospital, Beijing, 100853, China
| | - Lujia Jin
- Department of General Surgery, Chinese PLA General Hospital, Beijing, 100853, China
| | - Peng Chen
- Department of General Surgery, Chinese PLA General Hospital, Beijing, 100853, China
| | - Dingchang Li
- Department of General Surgery, Chinese PLA General Hospital, Beijing, 100853, China
| | - Wenxing Gao
- Department of General Surgery, Chinese PLA General Hospital, Beijing, 100853, China
| | - Guanglong Dong
- School of Medicine, Nankai University, Tianjin, 300071, China; Department of General Surgery, Chinese PLA General Hospital, Beijing, 100853, China.
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Abstract
Despite the ability of immune-based interventions to dramatically increase the survival of patients with melanoma, a significant subset fail to benefit from this treatment, underscoring the need for accurate means to identify the patient population likely to respond to immunotherapy. Understanding how melanoma evades natural or manipulated immune responses could provide the information needed to identify such resistant individuals. Efforts to address this challenge are hampered by the vast immune diversity characterizing tumor microenvironments that remain largely understudied. It is thus important to more clearly elucidate the complex interactions that take place between the tumor microenvironment and host immune system.
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Han S, Lee SY, Wang WW, Tan YB, Sim RHZ, Cheong R, Tan C, Hopkins R, Connolly J, Shuen WH, Toh HC. A Perspective on Cell Therapy and Cancer Vaccine in Biliary Tract Cancers (BTCs). Cancers (Basel) 2020; 12:E3404. [PMID: 33212880 PMCID: PMC7698436 DOI: 10.3390/cancers12113404] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 11/04/2020] [Accepted: 11/10/2020] [Indexed: 02/07/2023] Open
Abstract
Biliary tract cancer (BTC) is a rare, but aggressive, disease that comprises of gallbladder carcinoma, intrahepatic cholangiocarcinoma and extrahepatic cholangiocarcinoma, with heterogeneous molecular profiles. Advanced disease has limited therapeutic options beyond first-line platinum-based chemotherapy. Immunotherapy has emerged as a viable option for many cancers with a similar unmet need. Therefore, we reviewed current understanding of the tumor immune microenvironment and recent advances in cellular immunotherapy and therapeutic cancer vaccines against BTC. We illustrated the efficacy of dendritic cell vaccination in one patient with advanced, chemorefractory, melanoma-associated antigen (MAGE)-positive gallbladder carcinoma, who was given multiple injections of an allogenic MAGE antigen-positive melanoma cell lysate (MCL)-based autologous dendritic cell vaccine combined with sequential anti-angiogenic therapy. This resulted in good radiological and tumor marker response and an overall survival of 3 years from diagnosis. We postulate the potential synergism of adding anti-angiogenic therapy, such as bevacizumab, to immunotherapy in BTC, as a rational scientific principle to positively modulate the tumor microenvironment to augment antitumor immunity.
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Affiliation(s)
- Shuting Han
- Division of Medical Oncology, National Cancer Centre Singapore, 11 Hospital Crescent, Singapore 169610, Singapore; (S.H.); (S.Y.L.); (W.-W.W.); (R.C.); (C.T.); (W.H.S.)
| | - Suat Ying Lee
- Division of Medical Oncology, National Cancer Centre Singapore, 11 Hospital Crescent, Singapore 169610, Singapore; (S.H.); (S.Y.L.); (W.-W.W.); (R.C.); (C.T.); (W.H.S.)
| | - Who-Whong Wang
- Division of Medical Oncology, National Cancer Centre Singapore, 11 Hospital Crescent, Singapore 169610, Singapore; (S.H.); (S.Y.L.); (W.-W.W.); (R.C.); (C.T.); (W.H.S.)
| | - Yu Bin Tan
- Singapore Health Services, 31 Third Hospital Ave, #03-03 Bowyer Block C, Singapore 168753, Singapore; (Y.B.T.); (R.H.Z.S.)
| | - Rachel Hui Zhen Sim
- Singapore Health Services, 31 Third Hospital Ave, #03-03 Bowyer Block C, Singapore 168753, Singapore; (Y.B.T.); (R.H.Z.S.)
| | - Rachael Cheong
- Division of Medical Oncology, National Cancer Centre Singapore, 11 Hospital Crescent, Singapore 169610, Singapore; (S.H.); (S.Y.L.); (W.-W.W.); (R.C.); (C.T.); (W.H.S.)
| | - Cherlyn Tan
- Division of Medical Oncology, National Cancer Centre Singapore, 11 Hospital Crescent, Singapore 169610, Singapore; (S.H.); (S.Y.L.); (W.-W.W.); (R.C.); (C.T.); (W.H.S.)
| | - Richard Hopkins
- Institute of Molecular and Cell Biology (IMCB), A*STAR, 61 Biopolis Drive, Singapore 138673, Singapore; (R.H.); (J.C.)
| | - John Connolly
- Institute of Molecular and Cell Biology (IMCB), A*STAR, 61 Biopolis Drive, Singapore 138673, Singapore; (R.H.); (J.C.)
| | - Wai Ho Shuen
- Division of Medical Oncology, National Cancer Centre Singapore, 11 Hospital Crescent, Singapore 169610, Singapore; (S.H.); (S.Y.L.); (W.-W.W.); (R.C.); (C.T.); (W.H.S.)
| | - Han Chong Toh
- Division of Medical Oncology, National Cancer Centre Singapore, 11 Hospital Crescent, Singapore 169610, Singapore; (S.H.); (S.Y.L.); (W.-W.W.); (R.C.); (C.T.); (W.H.S.)
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Kabir TF, Kunos CA, Villano JL, Chauhan A. Immunotherapy for Medulloblastoma: Current Perspectives. Immunotargets Ther 2020; 9:57-77. [PMID: 32368525 PMCID: PMC7182450 DOI: 10.2147/itt.s198162] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 03/29/2020] [Indexed: 12/11/2022] Open
Abstract
Background Immune-mediated therapies have transformed the treatment of metastatic melanoma and renal, bladder, and both small and non-small cell lung carcinomas. However, immunotherapy is yet to demonstrate dramatic results in brain tumors like medulloblastoma for a variety of reasons. Recent pre-clinical and early phase human trials provide encouraging results that may overcome the challenges of central nervous system (CNS) tumors, which include the intrinsic immunosuppressive properties of these cancers, a lack of antigen targets, antigenic variability, and the immune-restrictive site of the CNS. These studies highlight the growing potential of immunotherapy to treat patients with medulloblastoma, a disease that is a frequent cause of morbidity and mortality to children and young adults. Methods We conducted an inclusive review of the PubMed-indexed literature and studies listed in clinicaltrials.gov using combinations of the keywords medulloblastoma, immunotherapy, CNS tumors, brain tumors, vaccines, oncolytic virus, natural killer, and CAR T to identify trials evaluating immunotherapy in preclinical experiments or in patients with medulloblastoma. Given a limited number of investigations using immunotherapy to treat patients with medulloblastoma, 24 studies were selected for final analysis and manuscript citation. Results This review presents results from pre-clinical studies in medulloblastoma cell lines, animal models, and the limited trials involving human patients. Conclusion From our review, we suggest that cancer vaccines, oncolytic viral therapy, natural killer cells, and CAR T therapy hold promise against the innate immunosuppressive properties of medulloblastoma in order to prolong survival. There is an unmet need for immunotherapy regimens that target overexpressed antigens in medulloblastoma tumors. We advocate for more combination treatment clinical trials using conventional surgical and radiochemotherapy approaches in the near-term clinical development.
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Affiliation(s)
- Tanvir F Kabir
- Department of Internal Medicine, University of Louisville, Louisville, KY, USA
| | - Charles A Kunos
- Cancer Therapy Evaluation Program, National Cancer Institute, Bethesda, MD, USA
| | - John L Villano
- Department of Internal Medicine-Medical Oncology, Markey Cancer Center, University of Kentucky, Lexington, KY, USA
| | - Aman Chauhan
- Department of Internal Medicine-Medical Oncology, Markey Cancer Center, University of Kentucky, Lexington, KY, USA
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O D, Waelkens E, Vanhie A, Peterse D, Fassbender A, D'Hooghe T. The Use of Antibody Arrays in the Discovery of New Plasma Biomarkers for Endometriosis. Reprod Sci 2020; 27:751-762. [PMID: 32016799 DOI: 10.1007/s43032-019-00081-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 07/05/2019] [Indexed: 12/21/2022]
Abstract
A noninvasive diagnostic test for endometriosis is needed to shorten the current diagnostic delay of 8-11 years. The goal of this study was to discover new biomarkers for endometriosis using an antibody array approach. A total of 103 plasma samples from patients with laparoscopically confirmed presence (n = 68) or absence (n = 35) of endometriosis were selected. Samples were pooled according to disease status, cycle phase, disease stage, and phenotype. Pooled samples were screened for possible biomarkers using the L-series 1000 and Quantibody 660 arrays from RayBiotech. Technical verification of ten markers was done using a custom-made multiplex immunoassay identifying ten proteins (10-plex) and later by single ELISA. Due to the limited reproducibility of the L-series 1000 immunoassay, the biomarker screening was performed using the Quantibody 660, a sandwich-based multiplex immunoassay, which showed that 280 proteins were upregulated, and 29 proteins downregulated in the endometriosis pool versus the control pool. In order to assess the reproducibility of these results, ten preselected proteins were analyzed using a custom 10-plex. Four proteins (CD48, DNAM-1, IL-31, and XIAP) were confirmed to be differentially expressed when comparing the endometriosis and control pool. However, only IL-31 showed a univariate statistical difference between endometriosis and control groups in individual samples that were part of the initial pools. In conclusion, discovery and verification of potential markers proved challenging using multiplex immunoassay methods, mainly due to issues with reproducibility. Only IL-31 showed potential as possible biomarker for endometriosis.
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Affiliation(s)
- Dorien O
- Department of Development and Regeneration, Woman and Child, KU Leuven, Leuven, Belgium
| | - Etienne Waelkens
- Facility for systems biology based mass spectrometry, KU Leuven, Leuven, Belgium
- Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Arne Vanhie
- Department of Development and Regeneration, Woman and Child, KU Leuven, Leuven, Belgium
| | - Daniëlle Peterse
- Department of Development and Regeneration, Woman and Child, KU Leuven, Leuven, Belgium
| | - Amelie Fassbender
- Department of Development and Regeneration, Woman and Child, KU Leuven, Leuven, Belgium
| | - Thomas D'Hooghe
- Department of Development and Regeneration, Woman and Child, KU Leuven, Leuven, Belgium.
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12
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Qu T, Yan M, Shen WJ, Li L, Zhu P, Li Z, Huang J, Han T, Hu W, Zhou R, Li P, Xu L, Huang T, Zhong Y, Gu J. Predictive serum markers for unexplained infertility in child-bearing aged women. Am J Reprod Immunol 2020; 83:e13194. [PMID: 31585484 DOI: 10.1111/aji.13194] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 08/20/2019] [Accepted: 09/26/2019] [Indexed: 02/05/2023] Open
Abstract
PROBLEM Unexplained infertility (UI) represents about 25%-40% of all infertility and is a formidable obstacle for successful pregnancy for child-bearing aged women. However, up to now, there is no reliable method to predict this condition with high accuracy, thereby hindering early management of this condition. METHOD OF STUDY Our prospective study consists of 84 child-bearing aged women that were clinically diagnosed UI. Forty-four matched healthy fertility (HF) women were served as controls. We examined the profiles of 25 hormones and cytokines that were likely related to pathogeneses and molecular pathways involved in UI with the technique of protein array. The samples were randomly stratified 7:3 into a training set and a testing set. We used the SMOTEboost model with 10 serum proteins in a clinical verification study to identify UI cases. RESULTS The predictor had an area under the receiver operating characteristic curve (AUC) of 0.788 with 24 serum protein features. The predictive performance in terms of AUC of the model with the top 10 important serum proteins in the clinical verification study to classify UI cases was 0.809. Three most significantly differentially expressed proteins (DEPs) were prolactin, monocyte chemotactic protein-1 (MCP-1), and leptin. CONCLUSION Examination of serum-based protein profile changes could help to identify child-bearing aged women at risk of UI. This would enable early detection and facilitate development of clinical strategies to treat UI and guide their planned parenthood. It may also give clues to pathogeneses of the condition of test subjects.
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Affiliation(s)
- Ting Qu
- Jinxin Research Institute for Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu, China
| | - Meiling Yan
- Laboratory of Molecular Pathology, Provincial Key Laboratory of Infectious Diseases and Molecular Pathology, Center of Molecular Diagnosis and Personalized Medicine, Shantou University Medical College, Shantou, China
| | - Wen-Jun Shen
- Department of Bioinformatics, Shantou University Medical College, Shantou, China
| | - Lingxiao Li
- Jinxin Research Institute for Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu, China
| | - Ping Zhu
- Laboratory of Molecular Pathology, Provincial Key Laboratory of Infectious Diseases and Molecular Pathology, Center of Molecular Diagnosis and Personalized Medicine, Shantou University Medical College, Shantou, China
| | - Zhouxuan Li
- Jinxin Research Institute for Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu, China
| | - Jihua Huang
- Jinxin Research Institute for Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu, China
| | - Tingting Han
- Jinxin Research Institute for Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu, China
| | - Wenhui Hu
- Xi'nan Gynecological Hospital, Chengdu, China
| | | | - Penghao Li
- Jinxin Research Institute for Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu, China
| | - Lan Xu
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Tianhua Huang
- Jinxin Research Institute for Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu, China
| | - Ying Zhong
- Jinxin Research Institute for Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu, China
| | - Jiang Gu
- Jinxin Research Institute for Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu, China
- Laboratory of Molecular Pathology, Provincial Key Laboratory of Infectious Diseases and Molecular Pathology, Center of Molecular Diagnosis and Personalized Medicine, Shantou University Medical College, Shantou, China
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13
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Parizadeh SM, Jafarzadeh-Esfehani R, Ghandehari M, Rezaei-Kalat A, Parizadeh SMR, Javanbakht A, Hassanian SM, Ferns GA, Khazaei M, Avan A. Personalized Peptide-based Vaccination for Treatment of Colorectal Cancer: Rational and Progress. Curr Drug Targets 2019; 20:1486-1495. [DOI: 10.2174/1389450120666190619121658] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 06/11/2019] [Accepted: 06/13/2019] [Indexed: 12/26/2022]
Abstract
Colorectal cancer (CRC) is one of the most common cancers globally and is associated with
a high rate of morbidity and mortality. A large proportion of patients with early stage CRC, who undergo
conventional treatments develop local recurrence or distant metastasis and in this group of advanced
disease, the survival rate is low. Furthermore there is often a poor response and/or toxicity associated
with chemotherapy and chemo-resistance may limit continuing conventional treatment alone.
Choosing novel and targeted therapeutic approaches based on clinicopathological and molecular features
of tumors in combination with conventional therapeutic approach could be used to eradicate residual
micrometastasis and therefore improve patient prognosis and also be used preventively. Peptide-
based vaccination therapy is one class of cancer treatment that could be used to induce tumorspecific
immune responses, through the recognition of specific antigen-derived peptides in tumor
cells, and this has emerged as a promising anti-cancer therapeutic strategy. The aim of this review was
to summarize the main findings of recent studies in exciting field of peptide-based vaccination therapy
in CRC patients as a novel therapeutic approach in the treatment of CRC.
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Affiliation(s)
| | - Reza Jafarzadeh-Esfehani
- Department of Medical Genetics, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maryam Ghandehari
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Afsaneh Rezaei-Kalat
- Department of Psychiatry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Afsane Javanbakht
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Mahdi Hassanian
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gordon A. Ferns
- Brighton & Sussex Medical School, Division of Medical Education, Falmer, Brighton, Sussex BN1 9PH, United Kingdom
| | - Majid Khazaei
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Avan
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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Koo SL, Wang WW, Toh HC. Cancer Immunotherapy – The Target is Precisely on The Cancer and Also Not. ANNALS OF THE ACADEMY OF MEDICINE, SINGAPORE 2018. [DOI: 10.47102/annals-acadmedsg.v47n9p381] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
In recent years, the impressive number of cancer immunotherapy drugs approved has been unprecedented—building on over a century of understanding on how the immune system combats cancer, and how cancer evades it. Leading the charge are the immune checkpoint inhibitor monoclonal antibodies, and adoptive cell therapy with chimeric-antigen-receptor (CAR)-T cell therapy. These breakthrough therapies have led to improved survival in patients with many advanced cancers. Some of the clinical outcomes have been striking, and may even be potentially curative in some terminal cancer patients. While immune checkpoint inhibitors work by blocking regulatory immune checkpoint signals between cancer and the immune cells to awaken an effective anticancer immunity, CAR-T cell therapy targets specific molecules on cancer cells. Tumour antigens as cancer targets take many forms and may not necessarily be proteins related to known functional cellular mechanisms. The convergence of cutting edge omics, bioinformatics, protein synthesis, immunobiology and immunotherapy have led to novel, potentially highly effective cancer targeting against neoantigens, hence reviving the quest for anticancer vaccines. Early clinical trials of neoantigen vaccines have provided proof-of-principle efficacy, especially in melanoma patients. Combinations of immunotherapies through rational design are underway aiming to further improve clinical outcomes. Moving forward, cancer immunotherapy will gain even more momentum from the discovery of more cancer targets—both on the cancer itself and in the tumour microenvironment as well as the identification of biomarkers of treatment resistance and efficacy.
Key words: Checkpoint inhibitor, Microenvironment, Neoantigens, Vaccine
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Affiliation(s)
- Si Lin Koo
- Division of Medical Oncology, National Cancer Centre Singapore, Singapore
| | - Who Whong Wang
- Division of Medical Oncology, National Cancer Centre Singapore, Singapore
| | - Han Chong Toh
- Division of Medical Oncology, National Cancer Centre Singapore, Singapore
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15
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Szaryńska M, Olejniczak A, Kobiela J, Łaski D, Śledziński Z, Kmieć Z. Cancer stem cells as targets for DC-based immunotherapy of colorectal cancer. Sci Rep 2018; 8:12042. [PMID: 30104575 PMCID: PMC6089981 DOI: 10.1038/s41598-018-30525-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 08/01/2018] [Indexed: 12/11/2022] Open
Abstract
The therapy of colorectal cancer (CRC) patients is often unsuccessful because of the presence of cancer stem cells (CSCs) resistant to conventional approaches. Dendritic cells (DC)-based protocols are believed to effectively supplement CRC therapy. Our study was aimed to assess how the number and properties of CSCs isolated from tumor tissue of CRC patients will affect the biological characteristics of in vitro modified DCs. Similar procedures were conducted with the using of CRC HCT116 and HT29 cell lines. We found that the detailed configuration of CSC-like markers significantly influenced the maturation and activation of DCs after stimulation with cancer cells lysates or culture supernatants. This basic stimulatory effect was enhanced by LPS that is normally present in CRC CSCs niche. The increased number of CD29+ and CD44+ CSCs presented the opposite impact on treated DCs as showed by many significant correlations. The CD133+ CSCs seemed to impair the functions of DCs. The more CD133+ CSCs in tumor sample the lower number of activated DCs evidenced after stimulation. Moreover, our results showed superiority of the spherical culture model over the adherent one since spherical HCT116 and HT29 cells presented similar influence on DCs properties as CRC patients cancer cells. We concluded that the DCs features may depend directly on the properties of CSCs affected by progression status of tumor.
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Affiliation(s)
- Magdalena Szaryńska
- Department of Histology, Medical University of Gdansk, 80-210, Gdansk, Poland.
| | - Agata Olejniczak
- Department of Histology, Medical University of Gdansk, 80-210, Gdansk, Poland
| | - Jarosław Kobiela
- Department of General, Endocrine and Transplant Surgery, Medical University of Gdansk, 80-214, Gdansk, Poland
| | - Dariusz Łaski
- Department of General, Endocrine and Transplant Surgery, Medical University of Gdansk, 80-214, Gdansk, Poland
| | - Zbigniew Śledziński
- Department of General, Endocrine and Transplant Surgery, Medical University of Gdansk, 80-214, Gdansk, Poland
| | - Zbigniew Kmieć
- Department of Histology, Medical University of Gdansk, 80-210, Gdansk, Poland
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16
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Aerts JGJV, de Goeje PL, Cornelissen R, Kaijen-Lambers MEH, Bezemer K, van der Leest CH, Mahaweni NM, Kunert A, Eskens FALM, Waasdorp C, Braakman E, van der Holt B, Vulto AG, Hendriks RW, Hegmans JPJJ, Hoogsteden HC. Autologous Dendritic Cells Pulsed with Allogeneic Tumor Cell Lysate in Mesothelioma: From Mouse to Human. Clin Cancer Res 2017; 24:766-776. [PMID: 29233904 DOI: 10.1158/1078-0432.ccr-17-2522] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 11/01/2017] [Accepted: 12/04/2017] [Indexed: 11/16/2022]
Abstract
Purpose: Mesothelioma has been regarded as a nonimmunogenic tumor, which is also shown by the low response rates to treatments targeting the PD-1/PD-L1 axis. Previously, we demonstrated that autologous tumor lysate-pulsed dendritic cell (DC) immunotherapy increased T-cell response toward malignant mesothelioma. However, the use of autologous tumor material hampers implementation in large clinical trials, which might be overcome by using allogeneic tumor cell lines as tumor antigen source. The purpose of this study was to investigate whether allogeneic lysate-pulsed DC immunotherapy is effective in mice and safe in humans.Experimental Design: First, in two murine mesothelioma models, mice were treated with autologous DCs pulsed with either autologous or allogeneic tumor lysate or injected with PBS (negative control). Survival and tumor-directed T-cell responses of these mice were monitored. Results were taken forward in a first-in-human clinical trial, in which 9 patients were treated with 10, 25, or 50 million DCs per vaccination. DC vaccination consisted of autologous monocyte-derived DCs pulsed with tumor lysate from five mesothelioma cell lines.Results: In mice, allogeneic lysate-pulsed DC immunotherapy induced tumor-specific T cells and led to an increased survival, to a similar extent as DC immunotherapy with autologous tumor lysate. In the first-in-human clinical trial, no dose-limiting toxicities were established and radiographic responses were observed. Median PFS was 8.8 months [95% confidence interval (CI), 4.1-20.3] and median OS not reached (median follow-up = 22.8 months).Conclusions: DC immunotherapy with allogeneic tumor lysate is effective in mice and safe and feasible in humans. Clin Cancer Res; 24(4); 766-76. ©2017 AACR.
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Affiliation(s)
- Joachim G J V Aerts
- Department of Pulmonary Medicine, Erasmus MC Cancer Institute, Rotterdam, the Netherlands.
| | - Pauline L de Goeje
- Department of Pulmonary Medicine, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Robin Cornelissen
- Department of Pulmonary Medicine, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | | | - Koen Bezemer
- Department of Pulmonary Medicine, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Cor H van der Leest
- Department of Pulmonary Medicine, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Niken M Mahaweni
- Department of Pulmonary Medicine, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - André Kunert
- Department of Pulmonary Medicine, Erasmus MC Cancer Institute, Rotterdam, the Netherlands.,Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Ferry A L M Eskens
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Cynthia Waasdorp
- Department of Pulmonary Medicine, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Eric Braakman
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Bronno van der Holt
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Arnold G Vulto
- Hospital Pharmacy, Erasmus MC, Rotterdam, the Netherlands
| | - Rudi W Hendriks
- Department of Pulmonary Medicine, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Joost P J J Hegmans
- Department of Pulmonary Medicine, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Henk C Hoogsteden
- Department of Pulmonary Medicine, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
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17
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Development of effective tumor immunotherapy using a novel dendritic cell-targeting Toll-like receptor ligand. PLoS One 2017; 12:e0188738. [PMID: 29190690 PMCID: PMC5708771 DOI: 10.1371/journal.pone.0188738] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 11/13/2017] [Indexed: 12/16/2022] Open
Abstract
Although dendritic cell (DC)-based immunotherapy shows little toxicity, improvements should be necessary to obtain satisfactory clinical outcome. Using interferon-gamma injection along with DCs, we previously obtained significant clinical responses against small or early stage malignant tumors in dogs. However, improvement was necessary to be effective to largely developed or metastatic tumors. To obtain effective methods applicable to those tumors, we herein used a DC-targeting Toll-like receptor ligand, h11c, and examined the therapeutic effects in murine subcutaneous and visceral tumor models and also in the clinical treatment of canine cancers. In murine experiments, most and significant inhibition of tumor growth and extended survival was observed in the group treated with the combination of h11c-activated DCs in combination with interferon-gamma and a cyclooxygenase2 inhibitor. Both monocytic and granulocytic myeloid-derived suppressor cells were significantly reduced by the combined treatment. Following the successful results in mice, the combined treatment was examined against canine cancers, which spontaneously generated like as those in human. The combined treatment elicited significant clinical responses against a nonepithelial malignant tumor and a malignant fibrous histiocytoma. The treatment was also successful against a bone-metastasis of squamous cell carcinoma. In the successful cases, the marked increase of tumor-responding T cells and decrease of myeloid-derived suppressor cells and regulatory T cells was observed in their peripheral blood. Although the combined treatment permitted the growth of lung cancer of renal carcinoma-metastasis, the marked elevated and long-term maintaining of the tumor-responding T cells was observed in the patient dog. Overall, the combined treatment gave rise to emphatic amelioration in DC-based cancer therapy.
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19
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Caballero-Baños M, Benitez-Ribas D, Tabera J, Varea S, Vilana R, Bianchi L, Ayuso JR, Pagés M, Carrera G, Cuatrecasas M, Martin-Richard M, Cid J, Lozano M, Castells A, García-Albéniz X, Maurel J, Vilella R. Phase II randomised trial of autologous tumour lysate dendritic cell plus best supportive care compared with best supportive care in pre-treated advanced colorectal cancer patients. Eur J Cancer 2016; 64:167-74. [DOI: 10.1016/j.ejca.2016.06.008] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 05/24/2016] [Accepted: 06/07/2016] [Indexed: 12/29/2022]
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Berry J, Vreeland T, Trappey A, Hale D, Peace K, Tyler J, Walker A, Brown R, Herbert G, Yi F, Jackson D, Clifton G, Peoples GE. Cancer vaccines in colon and rectal cancer over the last decade: lessons learned and future directions. Expert Rev Clin Immunol 2016; 13:235-245. [PMID: 27552944 DOI: 10.1080/1744666x.2016.1226132] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
INTRODUCTION Great advances have been made in screening for and treatment of colorectal cancer (CRC), but recurrence rates remain high and additional therapies are needed. There is great excitement around the field of immunotherapy and many attempts have been made to bring immunotherapy to CRC through a cancer vaccine. Areas covered: This is a detailed review of the last decade's significant CRC vaccine trials. Expert commentary: Monotherapy with a CRC vaccine is likely best suited for adjuvant therapy in disease free patients. Vaccine therapy elicits crucial tumor infiltrating lymphocytes, which are lacking in microsatellite-stable tumors, and therefore may be better suited for these patients. The combination of CRC vaccines with checkpoint inhibitors may unlock the potential of immunotherapy for a much broader range of patients. Future studies should focus on vaccine monotherapy in correctly selected patients and combination therapy in more advanced disease.
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Affiliation(s)
- John Berry
- a Department of Colorectal Surgery , Washington University School of Medicine , St. Louis , MO , USA.,b Cancer Vaccine Development Program San Antonio , TX , USA
| | - Timothy Vreeland
- b Cancer Vaccine Development Program San Antonio , TX , USA.,c Department of Surgery , Womack Army Medical Center, Fort Bragg , NC , USA
| | - Alfred Trappey
- d Departmentof Surgery , San Antonio Military Medical Center, Fort Sam Houston , TX , USA
| | - Diane Hale
- b Cancer Vaccine Development Program San Antonio , TX , USA.,d Departmentof Surgery , San Antonio Military Medical Center, Fort Sam Houston , TX , USA
| | - Kaitlin Peace
- d Departmentof Surgery , San Antonio Military Medical Center, Fort Sam Houston , TX , USA
| | - Joshua Tyler
- e Department of Surgery , Keesler Air Force Medical Center, Keesler AFB , MS , USA
| | - Avery Walker
- f Department of Surgery , Brian Allgood Army Community Hospital , Seoul , South Korea
| | - Ramon Brown
- e Department of Surgery , Keesler Air Force Medical Center, Keesler AFB , MS , USA
| | - Garth Herbert
- d Departmentof Surgery , San Antonio Military Medical Center, Fort Sam Houston , TX , USA
| | - Fia Yi
- d Departmentof Surgery , San Antonio Military Medical Center, Fort Sam Houston , TX , USA
| | - Doreen Jackson
- b Cancer Vaccine Development Program San Antonio , TX , USA.,d Departmentof Surgery , San Antonio Military Medical Center, Fort Sam Houston , TX , USA
| | - Guy Clifton
- b Cancer Vaccine Development Program San Antonio , TX , USA.,d Departmentof Surgery , San Antonio Military Medical Center, Fort Sam Houston , TX , USA.,g Department of Surgery , MD Anderson Cancer Center , Houston , TX , USA
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Kajihara M, Takakura K, Kanai T, Ito Z, Saito K, Takami S, Shimodaira S, Okamoto M, Ohkusa T, Koido S. Dendritic cell-based cancer immunotherapy for colorectal cancer. World J Gastroenterol 2016; 22:4275-86. [PMID: 27158196 PMCID: PMC4853685 DOI: 10.3748/wjg.v22.i17.4275] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Revised: 03/15/2016] [Accepted: 04/07/2016] [Indexed: 02/06/2023] Open
Abstract
Colorectal cancer (CRC) is one of the most common cancers and a leading cause of cancer-related mortality worldwide. Although systemic therapy is the standard care for patients with recurrent or metastatic CRC, the prognosis is extremely poor. The optimal sequence of therapy remains unknown. Therefore, alternative strategies, such as immunotherapy, are needed for patients with advanced CRC. This review summarizes evidence from dendritic cell-based cancer immunotherapy strategies that are currently in clinical trials. In addition, we discuss the possibility of antitumor immune responses through immunoinhibitory PD-1/PD-L1 pathway blockade in CRC patients.
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Kim JS, Kim YG, Park EJ, Kim B, Lee HK, Hong JT, Kim Y, Han SB. Cell-based Immunotherapy for Colorectal Cancer with Cytokine-induced Killer Cells. Immune Netw 2016; 16:99-108. [PMID: 27162526 PMCID: PMC4853502 DOI: 10.4110/in.2016.16.2.99] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 02/11/2016] [Accepted: 02/16/2016] [Indexed: 02/08/2023] Open
Abstract
Colorectal cancer is the third leading cancer worldwide. Although incidence and mortality of colorectal cancer are gradually decreasing in the US, patients with metastatic colorectal cancer have poor prognosis with an estimated 5-year survival rate of less than 10%. Over the past decade, advances in combination chemotherapy regimens for colorectal cancer have led to significant improvement in progression-free and overall survival. However, patients with metastatic disease gain little clinical benefit from conventional therapy, which is associated with grade 3~4 toxicity with negative effects on quality of life. In previous clinical studies, cell-based immunotherapy using dendritic cell vaccines and sentinel lymph node T cell therapy showed promising therapeutic results for metastatic colorectal cancer. In our preclinical and previous clinical studies, cytokine-induced killer (CIK) cells treatment for colorectal cancer showed favorable responses without toxicities. Here, we review current treatment options for colorectal cancer and summarize available clinical studies utilizing cell-based immunotherapy. Based on these studies, we recommend the use CIK cell therapy as a promising therapeutic strategy for patients with metastatic colorectal cancer.
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Affiliation(s)
- Ji Sung Kim
- College of Pharmacy, Chungbuk National University, Cheongju 28644, Korea
| | - Yong Guk Kim
- College of Pharmacy, Chungbuk National University, Cheongju 28644, Korea
| | - Eun Jae Park
- College of Pharmacy, Chungbuk National University, Cheongju 28644, Korea
| | - Boyeong Kim
- College of Pharmacy, Chungbuk National University, Cheongju 28644, Korea
| | - Hong Kyung Lee
- College of Pharmacy, Chungbuk National University, Cheongju 28644, Korea
| | - Jin Tae Hong
- College of Pharmacy, Chungbuk National University, Cheongju 28644, Korea
| | - Youngsoo Kim
- College of Pharmacy, Chungbuk National University, Cheongju 28644, Korea
| | - Sang-Bae Han
- College of Pharmacy, Chungbuk National University, Cheongju 28644, Korea
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23
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Bhargava A, Bunkar N, Khare NK, Mishra D, Mishra PK. Nanoengineered strategies to optimize dendritic cells for gastrointestinal tumor immunotherapy: from biology to translational medicine. Nanomedicine (Lond) 2015; 9:2187-202. [PMID: 25405796 DOI: 10.2217/nnm.14.115] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Nanomedicine may play an important role in improving the clinical efficacy of dendritic cell-based immunotherapy against GI tract malignancies. Dendritic cell-based vaccines have proven their effectiveness against different established GI tract tumors, yet their success is mainly hindered by the strong tumor-induced suppressive microenvironment. The sustained and targeted release of tumor antigens to dendritic cells using different nanoengineered approaches would be an efficient strategy to overcome established immune tolerance. Encapsulation would result in low diffusivity, restricted movement, effective crosspresentation and enhanced T-cell responses. These nanotherapy-based approaches will certainly help with the designing of clinically translatable dendritic cell-based therapeutic vaccines and facilitate the selective removal of residual disease in gastrointestinal cancer patients following standard treatments.
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Affiliation(s)
- Arpit Bhargava
- Translational Research Laboratory, School of Biological Sciences, Dr H. S. Gour Central University, Sagar, India
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Patel SP, Osada T, Lyerly HK, Morse MA. Designing effective vaccines for colorectal cancer. Immunotherapy 2015; 6:913-26. [PMID: 25313570 DOI: 10.2217/imt.14.61] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Achieving long-term control of colorectal cancers with therapeutic vaccines that generate potent anti-tumor T cell and antibody responses has been a goal for more than two decades. To date, clinical trials of these vaccines have demonstrated induction of immune responses, but clinical benefit has been limited. Improved vector delivery systems with enhanced immunostimulatory properties, decreased immunogenicity against vector and improved antigen presentation are some of the key features of modern tumor vaccines. Furthermore, an improved understanding of the various immunosuppressive factors in the tumor microenvironment and regional lymph nodes, coupled with a burgeoning ability to impair inhibitory immune synapses, highlights a growing opportunity to induce beneficial antigen-specific responses against tumor. The combination of improved antigenic delivery systems, coupled with therapeutic immune activation, represents state-of-the-art colorectal vaccine design concepts with the goal of augmenting immune responses against tumor and improving clinical outcomes.
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Affiliation(s)
- Sandip P Patel
- UCSD Moores Cancer Center, Division of Medical Oncology, Cancer Immunotherapy Program, 3855 Health Sciences Drive #0987, La Jolla, CA 92093, USA
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Galluzzi L, Senovilla L, Vacchelli E, Eggermont A, Fridman WH, Galon J, Sautès-Fridman C, Tartour E, Zitvogel L, Kroemer G. Trial watch: Dendritic cell-based interventions for cancer therapy. Oncoimmunology 2014; 1:1111-1134. [PMID: 23170259 PMCID: PMC3494625 DOI: 10.4161/onci.21494] [Citation(s) in RCA: 136] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Dendritic cells (DCs) occupy a central position in the immune system, orchestrating a wide repertoire of responses that span from the development of self-tolerance to the elicitation of potent cellular and humoral immunity. Accordingly, DCs are involved in the etiology of conditions as diverse as infectious diseases, allergic and autoimmune disorders, graft rejection and cancer. During the last decade, several methods have been developed to load DCs with tumor-associated antigens, ex vivo or in vivo, in the attempt to use them as therapeutic anticancer vaccines that would elicit clinically relevant immune responses. While this has not always been the case, several clinical studies have demonstrated that DC-based anticancer vaccines are capable of activating tumor-specific immune responses that increase overall survival, at least in a subset of patients. In 2010, this branch of clinical research has culminated with the approval by FDA of a DC-based therapeutic vaccine (sipuleucel-T, Provenge®) for use in patients with asymptomatic or minimally symptomatic metastatic hormone-refractory prostate cancer. Intense research efforts are currently dedicated to the identification of the immunological features of patients that best respond to DC-based anticancer vaccines. This knowledge may indeed lead to personalized combination strategies that would extend the benefit of DC-based immunotherapy to a larger patient population. In addition, widespread enthusiasm has been generated by the results of the first clinical trials based on in vivo DC targeting, an approach that holds great promises for the future of DC-based immunotherapy. In this Trial Watch, we will summarize the results of recently completed clinical trials and discuss the progress of ongoing studies that have evaluated/are evaluating DC-based interventions for cancer therapy.
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Affiliation(s)
- Lorenzo Galluzzi
- Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France ; Institut Gustave Roussy; Villejuif, France
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Matsueda S, Komatsu N, Kusumoto K, Koga S, Yamada A, Kuromatsu R, Yamada S, Seki R, Yutani S, Shichijo S, Mine T, Fukuda T, Okamura T, Okuda S, Sata M, Honda J, Kaji M, Itoh K, Sasada T. Humoral immune responses to CTL epitope peptides from tumor-associated antigens are widely detectable in humans: a new biomarker for overall survival of patients with malignant diseases. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2013; 41:68-76. [PMID: 23583523 DOI: 10.1016/j.dci.2013.04.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Revised: 03/19/2013] [Accepted: 04/03/2013] [Indexed: 06/02/2023]
Abstract
Both cellular and humoral immune responses are crucial to induce potent anti-tumor immunity, but most of currently conducted peptide-based cancer vaccines paid attention to cellular responses alone, and none of them are yet approved as a therapeutic modality against cancer patients. We investigated humoral immune responses to CTL epitope peptides derived from tumor-associated antigens in healthy donors and patients with various diseases to facilitate better understanding of their distribution patterns and potential roles. Bead-based multiplex assay, ELISA, and Western blotting were used to measure immunoglobulins reactive to each of 31 different CTL epitope peptides. Importantly, the sums of anti-peptide IgG levels specific to 31 CTL epitope peptides were well correlated with better overall survival (OS) in patients with malignant diseases. Our results suggested that humoral immune responses to CTL epitope peptides were widely detectable in humans. Measurement of immunoglobulins specific to CTL epitope peptides may provide a new biomarker for OS of patients with malignant diseases, although it still remains to be determined whether the correlations between humoral immune responses to epitope peptides and OS are observed only for the CTL epitopes used, or also for other panels of peptides. Quantity of circulating IgG reactive to these peptides was also discussed.
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MESH Headings
- Adolescent
- Adult
- Aged
- Antigens, Neoplasm/genetics
- Antigens, Neoplasm/immunology
- Arthritis, Rheumatoid/genetics
- Arthritis, Rheumatoid/immunology
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/immunology
- Carcinoma, Hepatocellular/genetics
- Carcinoma, Hepatocellular/immunology
- Carcinoma, Hepatocellular/mortality
- Epitopes, T-Lymphocyte/genetics
- Epitopes, T-Lymphocyte/immunology
- Female
- Glomerulonephritis, IGA/genetics
- Glomerulonephritis, IGA/immunology
- Humans
- Immunity, Humoral
- Immunoglobulin G/genetics
- Immunoglobulin G/immunology
- Liver Neoplasms/genetics
- Liver Neoplasms/immunology
- Liver Neoplasms/mortality
- Male
- Middle Aged
- Peptides/genetics
- Peptides/immunology
- Survival Analysis
- T-Lymphocytes, Cytotoxic/immunology
- T-Lymphocytes, Cytotoxic/pathology
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Affiliation(s)
- Satoko Matsueda
- Department of Immunology and Immunotherapy, Kurume University School of Medicine, Japan.
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27
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Ruben JM, Visser LL, Bontkes HJ, Westers TM, Ossenkoppele GJ, de Gruijl TD, van de Loosdrecht AA. Targeting the acute myeloid leukemic stem cell compartment by enhancing tumor cell-based vaccines. Immunotherapy 2013; 5:859-68. [DOI: 10.2217/imt.13.76] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Harvesting the potential of the immune system in order to eradicate (residual) acute myeloid leukemia (AML) cells is the long pursued goal of immunotherapy in AML. Strategies using apoptotic tumor cell vaccines have been explored for many years, without significant clinical improvements. In recent years insight has been gained into the mechanisms activating and interfering with tumor-directed immunity. With the arrival of novel immune-modulating agents allowing for the interference with regulatory molecules and interaction with immune-propelling mechanisms, new doors are opening for increasing vaccination efficacy. Combined with advances in the design of apoptotic tumor-based vaccines, we are on the verge of creating an effective AML vaccine strategy, offering a much needed novel therapeutic option for this devastating disease.
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Affiliation(s)
- Jurjen M Ruben
- Department of Hematology, VU University Medical Center, Cancer Center Amsterdam, De Boelelaan 1117, 1081HV Amsterdam, The Netherlands
| | - Lindy L Visser
- Department of Hematology, VU University Medical Center, Cancer Center Amsterdam, De Boelelaan 1117, 1081HV Amsterdam, The Netherlands
| | - Hetty J Bontkes
- Department of Hematology, VU University Medical Center, Cancer Center Amsterdam, De Boelelaan 1117, 1081HV Amsterdam, The Netherlands
| | - Theresia M Westers
- Department of Hematology, VU University Medical Center, Cancer Center Amsterdam, De Boelelaan 1117, 1081HV Amsterdam, The Netherlands
| | - Gert J Ossenkoppele
- Department of Hematology, VU University Medical Center, Cancer Center Amsterdam, De Boelelaan 1117, 1081HV Amsterdam, The Netherlands
| | - Tanja D de Gruijl
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, De Boelelaan 1117, 1081HV Amsterdam, The Netherlands
| | - Arjan A van de Loosdrecht
- Department of Hematology, VU University Medical Center, Cancer Center Amsterdam, De Boelelaan 1117, 1081HV Amsterdam, The Netherlands.
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Pizzurro GA, Madorsky Rowdo FP, Pujol-Lereis LM, Quesada-Allué LA, Copati AM, Roberti MP, Teillaud JL, Levy EM, Barrio MM, Mordoh J. High lipid content of irradiated human melanoma cells does not affect cytokine-matured dendritic cell function. Cancer Immunol Immunother 2013; 62:3-15. [PMID: 22722447 PMCID: PMC11028717 DOI: 10.1007/s00262-012-1295-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2011] [Accepted: 05/29/2012] [Indexed: 11/29/2022]
Abstract
Gamma irradiation is one of the methods used to sterilize melanoma cells prior to coculturing them with monocyte-derived immature dendritic cells in order to develop antitumor vaccines. However, the changes taking place in tumor cells after irradiation and their interaction with dendritic cells have been scarcely analyzed. We demonstrate here for the first time that after irradiation a fraction of tumor cells present large lipid bodies, which mainly contain triglycerides that are several-fold increased as compared to viable cells as determined by staining with Oil Red O and BODIPY 493/503 and by biochemical analysis. Phosphatidyl-choline, phosphatidyl-ethanolamine and sphingomyelin are also increased in the lipid bodies of irradiated cells. Lipid bodies do not contain the melanoma-associated antigen MART-1. After coculturing immature dendritic cells with irradiated melanoma cells, tumor cells tend to form clumps to which dendritic cells adhere. Under such conditions, dendritic cells are unable to act as stimulating cells in a mixed leukocyte reaction. However, when a maturation cocktail composed of TNF-alpha, IL-6, IL-1beta and prostaglandin E2 is added to the coculture, the tumor cells clumps disaggregate, dendritic cells remain free in suspension and their ability to efficiently stimulate allogeneic lymphocytes is restored. These results help to understand the events following melanoma cell irradiation, shed light about interactions between irradiated cells and dendritic cells, and may help to develop optimized dendritic cell vaccines for cancer therapy.
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Affiliation(s)
- Gabriela A Pizzurro
- Centro de Investigaciones Oncológicas-Fundación Cáncer, Instituto Alexander Fleming, Cramer 1180, 1426, Buenos Aires, Argentina.
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Ajeawung NF, Wang HY, Kamnasaran D. Progress from clinical trials and emerging non-conventional therapies for the treatment of Medulloblastomas. Cancer Lett 2012; 330:130-40. [PMID: 23211539 DOI: 10.1016/j.canlet.2012.11.039] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2012] [Revised: 11/19/2012] [Accepted: 11/22/2012] [Indexed: 12/18/2022]
Abstract
Medulloblastomas are highly aggressive tumors of the cerebellum with an embryonal origin. Despite current treatment modalities which include a combination of surgery, chemotherapy and/or radiation, challenges still exist to effectively treat some patients, especially those within the younger age group. In an effort to find improved therapies, ongoing research led by world-wide teams have explored non-conventional therapeutic strategies, as well as examined the efficacy of several drugs in clinical trials among patients with Medulloblastomas. We outline in this article, recent advances on the efficacy and toxicity of numerous therapeutic agents including those that are DNA damaging agents, microtubules binding compounds, and those that are inhibitors of Topoisomerase and of the Notch and Hedgehog signaling pathway, which were assessed in recent Phase I and II clinical trials. Among these clinical trials, it is unfortunate that the outcomes were dismal with the majority of the patients with Medulloblastomas still succumbing to relapse after conventional therapies. Furthermore, it is yet to be established clearly the clinical efficacy of non-conventional therapies such as immunotherapy and gene therapy. Moreover, there is growing interest in proton therapy as a potential replacement for photon therapy, while high dose chemotherapy and autologous stem cell rescue may improve therapeutic efficacies. However, further research is needed to resolve the inherent toxicity from these novel therapeutic methods. In conclusion, novel therapies based on a better understanding of the biology of Medulloblastomas are pivotal in improving non-conventional therapies in the treatment of this deadly disease.
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Bhargava A, Mishra D, Banerjee S, Mishra PK. Dendritic cell engineering for tumor immunotherapy: from biology to clinical translation. Immunotherapy 2012; 4:703-18. [PMID: 22853757 DOI: 10.2217/imt.12.40] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Dendritic cells (DCs) are the most potent APCs, with the ability to orchestrate a repertoire of immune responses. DCs play a pivotal role in the initiation, programming and regulation of tumor-specific immune responses, as they are poised to take up, process and present tumor antigens to naive or effector T lymphocytes. Although, to an extent, DC-based immunotherapeutic strategies have successfully induced specific anti-tumor responses in animal models, their clinical efficacy has rarely been translated into the clinic. This article attempts to present a complete picture of recent developments of DC-based therapeutic strategies addressing multiple components of tumor immunoenvironment. It also showcases certain practical intricacies in order to explore novel strategies for providing new impetus to DC-based cancer vaccination.
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Affiliation(s)
- Arpit Bhargava
- Division of Translational Research, Tata Memorial Centre, ACTREC, India
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31
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Bhargava A, Mishra D, Banerjee S, Mishra PK. Engineered dendritic cells for gastrointestinal tumor immunotherapy: opportunities in translational research. J Drug Target 2012; 21:126-36. [PMID: 23061479 DOI: 10.3109/1061186x.2012.731069] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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The mouse Mageb18 gene encodes a ubiquitously expressed type I MAGE protein and regulates cell proliferation and apoptosis in melanoma B16-F0 cells. Biochem J 2012; 443:779-88. [DOI: 10.1042/bj20112054] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Although many cancer vaccines have been developed against type I MAGE (melanoma antigen) genes owing to their shared tumour-specific expression properties, studies about their expression and functions are relatively limited. In the present study, we first identify a non-testis-specific type I MAGE gene, Mageb18 (melanoma antigen family B 18). Mouse Mageb18 is also expressed in digestion- and immune-related tissues as well as testis, and its expression in testis is age-dependent. Mageb18 is expressed in many mouse-derived cell lines, and DNA demethylation and histone acetylation mediate the reactivation of Mageb18 in Mageb18-negtive H22 and C6 cells. We also show that mouse Mageb18 encodes a 46 kDa protein which is predominantly localized in the cytoplasm. In testis, the endogenous MAGEB18 protein is mainly expressed in proliferative spermatogonia and primary and secondary spermatocytes, but less so in spermatids. Finally, we demonstrate that knockdown of MAGEB18 inhibits the growth of B16-F0 cells and induces apoptosis, which correlates with increased levels of TP53 (tumour protein 53), p21, Bax and caspase 3. The results of the present study thus uncover an important phenomenon that the expression of certain type I MAGE genes, at least for Mageb18, is non-testis-specific. Although they can regulate various malignant phenotypes of cancer cells, it is necessary to study further their expression pattern in normal tissues before using them to develop more effective and safer cancer vaccines.
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Medulloblasoma: challenges for effective immunotherapy. J Neurooncol 2011; 108:1-10. [PMID: 22173741 DOI: 10.1007/s11060-011-0776-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2011] [Accepted: 11/29/2011] [Indexed: 01/21/2023]
Abstract
For medulloblastoma patients, the current therapeutic paradigm of surgery followed by radiation and chemotherapy can lead to long-term remission. However, the sequelae of treatment can be very debilitating, particularly in young children. Immunotherapy is an attractive treatment approach to optimize the targeting of tumor cells while sparing the vulnerable surrounding brain that is still developing in children. Understanding the relationship between medulloblastoma and the immune system is critical to develop effective immunologic-based treatment strategies for these patients. This review focuses on current knowledge of tumor immunology and the factors that contribute to the lack of immune system recognition of these tumors. The specificity of tumor antigens present in medulloblastoma is also discussed along with a summary of early clinical immunotherapy results.
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Speetjens FM, Zeestraten ECM, Kuppen PJK, Melief CJM, van der Burg SH. Colorectal cancer vaccines in clinical trials. Expert Rev Vaccines 2011; 10:899-921. [PMID: 21692708 DOI: 10.1586/erv.11.63] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
This article elucidates current strategies of active immunotherapy for colorectal cancer patients with a focus on T-cell mediated immunotherapy. Poor prognosis of especially stage III and IV colorectal cancer patients emphasizes the need for advanced therapeutic intervention. Here, we refer to clinical trials using either tumor cell-derived vaccines or tumor antigen vaccines with a special interest on safety, induced immune responses, clinical benefit and efforts to improve the clinical impact of these vaccines in the context of colorectal cancer treatment.
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Affiliation(s)
- Frank M Speetjens
- Department of Surgery, Leiden University Medical Center, Leiden, The Netherlands
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Chen J, Li HY, Wang D, Zhao JJ, Guo XZ. Human dendritic cells transfected with amplified MUC1 mRNA stimulate cytotoxic T lymphocyte responses against pancreatic cancer in vitro. J Gastroenterol Hepatol 2011; 26:1509-18. [PMID: 21950745 DOI: 10.1111/j.1440-1746.2011.06778.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND AIM Mucin (MUC) 1 is an epithelial cell glycoprotein that is aberrantly overexpressed in many adenocarcinomas, including pancreatic cancer (PC), providing an ideal tumor-associated antigen and target for immunotherapy. In this study, we investigated whether the cytotoxic T lymphocytes (CTLs) induced by dendritic cells (DCs) transfected with amplified MUC1 mRNA could respond against PC in vitro. METHODS Amplified mRNA encoding MUC1 were transfected into DCs using electroporation with an optimized setting and the MUC1 expression were evaluated by quantitative real-time polymerase chain reaction and Western blot. The MUC1 specific CTL responses were measured using the standard chromium 51 (51Cr)-release assays and the interferon-γ release assay. RESULTS Dendritic cells could be transfected with amplified MUC1 mRNA efficiently. The transfected DCs were remarkably effective in stimulating MUC1-specific CTL responses in vitro. The function of MUC1 specific CTLs, induced by MUC1 mRNA-transfected DCs, was restricted by major histocompatibility complex (MHC) class I antigen presentation. CONCLUSION The CTL responses stimulated by DCs transfected with MUC1 mRNA could only recognize and lyse HLA-A2+/MUC1+ PC and other target cells under restriction by MHC class I-specific antigen presentation, providing a preclinical rationale for using MUC1 as a target structure for immunotherapeutic strategies against PC.
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Affiliation(s)
- Jiang Chen
- Department of Gastroenterology, The Shenyang General Hospital of People's Liberation Army, Shenyang City, Liaoning, China
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36
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Wen CC, Chen HM, Chen SS, Huang LT, Chang WT, Wei WC, Chou LC, Arulselvan P, Wu JB, Kuo SC, Yang NS. Specific microtubule-depolymerizing agents augment efficacy of dendritic cell-based cancer vaccines. J Biomed Sci 2011; 18:44. [PMID: 21689407 PMCID: PMC3141632 DOI: 10.1186/1423-0127-18-44] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2011] [Accepted: 06/20/2011] [Indexed: 12/13/2022] Open
Abstract
Background Damage-associated molecular patterns (DAMPs) are associated with immunogenic cell death and have the ability to enhance maturation and antigen presentation of dendritic cells (DCs). Specific microtubule-depolymerizing agents (MDAs) such as colchicine have been shown to confer anti-cancer activity and also trigger activation of DCs. Methods In this study, we evaluated the ability of three MDAs (colchicine and two 2-phenyl-4-quinolone analogues) to induce immunogenic cell death in test tumor cells, activate DCs, and augment T-cell proliferation activity. These MDAs were further evaluated for use as an adjuvant in a tumor cell lysate-pulsed DC vaccine. Results The three test phytochemicals considerably increased the expression of DAMPs including HSP70, HSP90 and HMGB1, but had no effect on expression of calreticulin (CRT). DC vaccines pulsed with MDA-treated tumor cell lysates had a significant effect on tumor growth, showed cytotoxic T-lymphocyte activity against tumors, and increased the survival rate of test mice. In vivo antibody depletion experiments suggested that CD8+ and NK cells, but not CD4+ cells, were the main effector cells responsible for the observed anti-tumor activity. In addition, culture of DCs with GM-CSF and IL-4 during the pulsing and stimulation period significantly increased the production of IL-12 and decreased production of IL-10. MDAs also induced phenotypic maturation of DCs and augmented CD4+ and CD8+ T-cell proliferation when co-cultured with DCs. Conclusions Specific MDAs including the clinical drug, colchicine, can induce immunogenic cell death in tumor cells, and DCs pulsed with MDA-treated tumor cell lysates (TCLs) can generate potent anti-tumor immunity in mice. This approach may warrant future clinical evaluation as a cancer vaccine.
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Affiliation(s)
- Chih-Chun Wen
- Graduate Institute of Pharmaceutical Chemistry, China Medical University, Taichung, Taiwan
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Herzog GI, Solgi G, Wiegmann DS, Nienhaus C, Schrezenmeier H, Yildiz T, Lotfi R. Quality of tumor lysates used for pulsing dendritic cells is influenced by the method used to harvest adherent tumor cells. BMC Res Notes 2011; 4:153. [PMID: 21615909 PMCID: PMC3121621 DOI: 10.1186/1756-0500-4-153] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2010] [Accepted: 05/26/2011] [Indexed: 12/29/2022] Open
Abstract
Background Lysates from tumor cells are reported to induce maturation of dendritic cells (DCs) and are used in clinical settings for DC-based vaccination against solid tumors. Nevertheless, the maturation inducing effect of tumor lysates on DCs is discussed controversially and the efficacy of tumor vaccines varies significantly. Findings Using three individual adherent colorectal tumor cell lines we also faced the difficulty to obtain consistent results regarding maturation inducing effect of tumor lysates on DCs. Therefore, we compared different methods to prepare tumor cell lysate and could demonstrate that trypsinizing as a method to harvest adherent tumor cells has a significant negative impact on biologic activity of tumor lysates. Specifically, we assessed induction of maturation markers CD40, CD80, and CD86 on DCs which were treated with differently prepared lysates. Conclusions Trypsinizing is a very common way of harvesting adherent cells from culture flasks. Our results shall call investigators' attention to the enzymatic activity of trypsin degrading some possibly important proteins on the surface of cultured cells. Specifically for DC-based vaccination against tumor antigens investigators should avoid trypsin.
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Aguilera R, Saffie C, Tittarelli A, González FE, Ramírez M, Reyes D, Pereda C, Hevia D, García T, Salazar L, Ferreira A, Hermoso M, Mendoza-Naranjo A, Ferrada C, Garrido P, López MN, Salazar-Onfray F. Heat-Shock Induction of Tumor-Derived Danger Signals Mediates Rapid Monocyte Differentiation into Clinically Effective Dendritic Cells. Clin Cancer Res 2011; 17:2474-83. [DOI: 10.1158/1078-0432.ccr-10-2384] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Abstract
Therapeutic cancer vaccines aim to generate immunologic targeting of cancer cells through the induction of effective cellular and antibody-mediated responses specific for antigens selectively expressed by the tumor. Exploiting the adaptive immune system as a targeted tool against cancer is appealing in its capacity for exact specificity and avoidance of unintended tissue damage seen by other conventional agents such as chemotherapy. There are a multitude of challenges to designing effective vaccine strategies. The components of a vaccine strategy start with the challenges of selecting immunogenic, tumor-specific antigen targets, choosing a platform with which to deliver the antigens, and enhancing the immunostimulatory context in which the vaccines are delivered. Although understanding the components of effective T-cell activation is essential, successful effector T cells can only be produced if there is also an understanding of the natural processes that tumors exploit to down-modulate active immune responses. These processes are normally used to down-regulate excessive tissue-destructive immune responses against infectious agents once the infecting agent is cleared or to prevent autoimmunity. Advances in molecular and cellular technologies continue to provide insights into the regulation of immune responses both to infectious agents and to cancer that may be manipulated to tip the balance in favor of tumor regression over immune tolerance. This review focuses primarily on cellular vaccines. For the purpose of this review, cellular vaccines are defined as vaccines that use whole cells or cell lysates either as the source of antigens or the platform in which to deliver the antigens. Dendritic cell (DC)-based vaccines focus on ex vivo antigen delivery to DCs. Other platforms such as GVAX (tumor cells genetically engineered to produce granulocyte-macrophage colony-stimulating factor) aim to deliver tumor antigens in vivo in an immune stimulatory context to endogenous DCs. Because data continue to emerge regarding the importance of the maturation status of DCs and the importance of the particular subset of DCs being targeted, these insights will be integrated into vaccine strategies that are likely to produce more effective vaccines.
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Affiliation(s)
- Dung T Le
- Department of Oncology, The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, 1650 Orleans St, Bunting-Blaustein Cancer Research Building, Room 407, Baltimore, MD 21231, USA.
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