51
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Ruiz-de-Angulo A, Bilbao-Asensio M, Cronin J, Evans SJ, Clift MJ, Llop J, Feiner IV, Beadman R, Bascarán KZ, Mareque-Rivas JC. Chemically Programmed Vaccines: Iron Catalysis in Nanoparticles Enhances Combination Immunotherapy and Immunotherapy-Promoted Tumor Ferroptosis. iScience 2020; 23:101499. [PMID: 32919370 PMCID: PMC7490994 DOI: 10.1016/j.isci.2020.101499] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 07/24/2020] [Accepted: 08/21/2020] [Indexed: 01/04/2023] Open
Abstract
Immunotherapy has yielded impressive results, but only for a minority of patients with cancer. Therefore, new approaches that potentiate immunotherapy are a pressing medical need. Ferroptosis is a newly described type of programmed cell death driven by iron-dependent phospholipid peroxidation via Fenton chemistry. Here, we developed iron oxide-loaded nanovaccines (IONVs), which, chemically programmed to integrate iron catalysis, drug delivery, and tracking exploiting the characteristics of the tumor microenvironment (TME), improves immunotherapy and activation of ferroptosis. The IONVs trigger danger signals and use molecular disassembly and reversible covalent bonds for targeted antigen delivery and improved immunostimulatory capacity and catalytic iron for targeting tumor cell ferroptosis. IONV- and antibody-mediated TME modulation interfaced with imaging was important toward achieving complete eradication of aggressive and established tumors, eliciting long-lived protective antitumor immunity with no toxicities. This work establishes the feasibility of using nanoparticle iron catalytic activity as a versatile and effective feature for enhancing immunotherapy.
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Affiliation(s)
- Ane Ruiz-de-Angulo
- Chemical Immunology Laboratory, CIC BioGUNE, Building 801A, Derio 48160, Spain
| | - Marc Bilbao-Asensio
- Department of Chemistry and Centre for NanoHealth, Swansea University, Singleton Park, Swansea SA2 8PP, UK
| | - James Cronin
- Swansea University Medical School, Institute of Life Science, Singleton Park, Swansea SA2 8PP, UK
| | - Stephen J. Evans
- Swansea University Medical School, Institute of Life Science, Singleton Park, Swansea SA2 8PP, UK
| | - Martin J.D. Clift
- Swansea University Medical School, Institute of Life Science, Singleton Park, Swansea SA2 8PP, UK
| | - Jordi Llop
- Radiochemistry and Nuclear Imaging Laboratory, CIC BiomaGUNE, Paseo Miramón 182, San Sebastián 20014, Spain
| | - Irene V.J. Feiner
- Radiochemistry and Nuclear Imaging Laboratory, CIC BiomaGUNE, Paseo Miramón 182, San Sebastián 20014, Spain
| | - Rhiannon Beadman
- Swansea University Medical School, Institute of Life Science, Singleton Park, Swansea SA2 8PP, UK
| | - Kepa Zamacola Bascarán
- Radiochemistry and Nuclear Imaging Laboratory, CIC BiomaGUNE, Paseo Miramón 182, San Sebastián 20014, Spain
| | - Juan C. Mareque-Rivas
- Department of Chemistry and Centre for NanoHealth, Swansea University, Singleton Park, Swansea SA2 8PP, UK
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52
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Kim Y, Lee D, Lawler S. Collective invasion of glioma cells through OCT1 signalling and interaction with reactive astrocytes after surgery. Philos Trans R Soc Lond B Biol Sci 2020; 375:20190390. [PMID: 32713306 DOI: 10.1098/rstb.2019.0390] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Glioblastoma multiforme (GBM) is the most aggressive form of brain cancer with a short median survival time. GBM is characterized by the hallmarks of aggressive proliferation and cellular infiltration of normal brain tissue. miR-451 and its downstream molecules are known to play a pivotal role in regulation of the balance of proliferation and aggressive invasion in response to metabolic stress in the tumour microenvironment (TME). Surgery-induced transition in reactive astrocyte populations can play a significant role in tumour dynamics. In this work, we develop a multi-scale mathematical model of miR-451-LKB1-AMPK-OCT1-mTOR pathway signalling and individual cell dynamics of the tumour and reactive astrocytes after surgery. We show how the effects of fluctuating glucose on tumour cells need to be reprogrammed by taking into account the recent history of glucose variations and an AMPK/miR-451 reciprocal feedback loop. The model shows how variations in glucose availability significantly affect the activity of signalling molecules and, in turn, lead to critical cell migration. The model also predicts that microsurgery of a primary tumour induces phenotypical changes in reactive astrocytes and stem cell-like astrocytes promoting tumour cell proliferation and migration by Cxcl5. Finally, we investigated a new anti-tumour strategy by Cxcl5-targeting drugs. This article is part of the theme issue 'Multi-scale analysis and modelling of collective migration in biological systems'.
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Affiliation(s)
- Yangjin Kim
- Department of Mathematics, Konkuk University, Seoul 05029, Republic of Korea.,Mathematical Biosciences Institute, Ohio State University, Columbus, OH 43210, USA
| | - Donggu Lee
- Department of Mathematics, Konkuk University, Seoul 05029, Republic of Korea
| | - Sean Lawler
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
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53
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Mahata B, Pramanik J, van der Weyden L, Polanski K, Kar G, Riedel A, Chen X, Fonseca NA, Kundu K, Campos LS, Ryder E, Duddy G, Walczak I, Okkenhaug K, Adams DJ, Shields JD, Teichmann SA. Tumors induce de novo steroid biosynthesis in T cells to evade immunity. Nat Commun 2020; 11:3588. [PMID: 32680985 PMCID: PMC7368057 DOI: 10.1038/s41467-020-17339-6] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Accepted: 06/22/2020] [Indexed: 12/23/2022] Open
Abstract
Tumors subvert immune cell function to evade immune responses, yet the complex mechanisms driving immune evasion remain poorly understood. Here we show that tumors induce de novo steroidogenesis in T lymphocytes to evade anti-tumor immunity. Using a transgenic steroidogenesis-reporter mouse line we identify and characterize de novo steroidogenic immune cells, defining the global gene expression identity of these steroid-producing immune cells and gene regulatory networks by using single-cell transcriptomics. Genetic ablation of T cell steroidogenesis restricts primary tumor growth and metastatic dissemination in mouse models. Steroidogenic T cells dysregulate anti-tumor immunity, and inhibition of the steroidogenesis pathway is sufficient to restore anti-tumor immunity. This study demonstrates T cell de novo steroidogenesis as a mechanism of anti-tumor immunosuppression and a potential druggable target.
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Affiliation(s)
- Bidesh Mahata
- Department of Pathology, University of Cambridge, Cambridge, CB2 1QP, UK.
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SA, UK.
| | - Jhuma Pramanik
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SA, UK
| | | | - Krzysztof Polanski
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SA, UK
| | - Gozde Kar
- EMBL-European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SD, UK
- Translational Medicine, Research and Early Development, Oncology R&D, AstraZeneca, Cambridge, United Kingdom
| | - Angela Riedel
- Medical Research Council Cancer Unit, Hutchison/Medical Research Council Research Centre, Cambridge, UK
| | - Xi Chen
- Department of Biology, Southern University of Science and Technology, Shenzhen, China
| | - Nuno A Fonseca
- EMBL-European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SD, UK
| | - Kousik Kundu
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SA, UK
- Department of Haematology, University of Cambridge, Cambridge Biomedical Campus, Long Road, Cambridge, CB2 0PT, UK
| | - Lia S Campos
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SA, UK
| | - Edward Ryder
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SA, UK
| | - Graham Duddy
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SA, UK
| | - Izabela Walczak
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SA, UK
| | - Klaus Okkenhaug
- Department of Pathology, University of Cambridge, Cambridge, CB2 1QP, UK
| | - David J Adams
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SA, UK
| | - Jacqueline D Shields
- Medical Research Council Cancer Unit, Hutchison/Medical Research Council Research Centre, Cambridge, UK.
| | - Sarah A Teichmann
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SA, UK.
- Theory of Condensed Matter, Cavendish Laboratory, 19 JJ Thomson Ave, Cambridge, CB3 0HE, UK.
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54
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Marinkovic T, Marinkovic D. Biological mechanisms of ectopic lymphoid structure formation and their pathophysiological significance. Int Rev Immunol 2020; 40:255-267. [PMID: 32631119 DOI: 10.1080/08830185.2020.1789620] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Ectopic lymphoid structures (ELS) or tertiary lymphoid organs are structures with the organization similar to the one of secondary lymphoid organs, formed in non-lymphoid tissues. They are considered to be an important site for the lymphocytic physiological and pathological role in conditions such are chronic infections, autoimmune diseases, cancer, and allograft rejection. Although similar to the secondary lymphoid tissues, the initiation of ELS formation is not preprogramed and requires chronic inflammation, expression of homeostatic chemokines, and lymphotoxin beta receptor activation. Importantly, while ELS formation may be considered beneficiary in antimicrobial and antitumor immunity, the persistence of these active lymphoid structures within the tissue increase the chance for development of autoimmunity and lymphoma. This paper is providing an overview of biological mechanisms involved in ELS formation, as well as the overview of the pathophysiological role of these structures. In addition, the paper discusses the possibility to therapeutically target ELS formation, bearing in mind their bivalent nature and role in different pathophysiological conditions.
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Affiliation(s)
- Tatjana Marinkovic
- Department of Medical Sciences, Western Serbia Academy of Applied Sciences, Uzice, Serbia
| | - Dragan Marinkovic
- Faculty of Special Education and Rehabilitation, University of Belgrade, Belgrade, Serbia
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55
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Safaei M, Mobini GR, Abiri A, Shojaeian A. Synthetic biology in various cellular and molecular fields: applications, limitations, and perspective. Mol Biol Rep 2020; 47:6207-6216. [PMID: 32507922 DOI: 10.1007/s11033-020-05565-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 05/28/2020] [Indexed: 01/10/2023]
Abstract
Synthetic biology breakthroughs have facilitated genetic circuit engineering to program cells through novel biological functions, dynamic gene expressions, as well as logic controls. SynBio can also participate in the rapid development of new treatments required for the human lifestyle. Moreover, these technologies are applied in the development of innovative therapeutic, diagnostic, as well as discovery-related methods within a wide range of cellular and molecular applications. In the present review study, SynBio applications in various cellular and molecular fields such as novel strategies for cancer therapy, biosensing, metabolic engineering, protein engineering, and tissue engineering were highlighted and summarized. The major safety and regulatory concerns about synthetic biology will be the environmental release, legal concerns, and risks of the engineered organisms. The final sections focused on limitations to SynBio.
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Affiliation(s)
- Mohsen Safaei
- Department of Medical Biotechnology, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Gholam-Reza Mobini
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Ardavan Abiri
- Department of Medicinal Chemistry, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Ali Shojaeian
- Department of Molecular Medicine, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran.
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56
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Wang J, Matosevic S. Functional and metabolic targeting of natural killer cells to solid tumors. Cell Oncol (Dordr) 2020; 43:577-600. [DOI: 10.1007/s13402-020-00523-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/15/2020] [Indexed: 12/15/2022] Open
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57
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Tang X, Li Y, Ma J, Wang X, Zhao W, Hossain MA, Yang Y. Adenovirus-mediated specific tumor tagging facilitates CAR-T therapy against antigen-mismatched solid tumors. Cancer Lett 2020; 487:1-9. [PMID: 32454143 DOI: 10.1016/j.canlet.2020.05.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 05/04/2020] [Accepted: 05/13/2020] [Indexed: 01/01/2023]
Abstract
Chimeric antigen receptor T (CAR-T) therapy faces at least two major obstacles in solid tumors, including to find specific antigen among the heterogeneous tumor mass and to overcome the inhibitory microenvironment. Developing novel strategies to overcome these difficulties has been the burning issue in immunotherapy. Here we came up with the concept of tagging cancer cells by tumor-targeting adenoviruses (Ad). We constructed recombinant Ads expressing CD19 tag driven by tumor-specific promoters, which could label antigenically different tumors for single anti-CD19 CAR-T recognition. One Ad, namely AdC68-TMC-tCD19 could mediate universal tag expression and functional immunological synapse formation between CAR-T and cancer cells. In premixed mice model, all tagged mice survived after CAR-T infusion and tumor volume were inhibited by 91.78%. Furthermore, we combined the tumor tagging ability with oncolysis and generated the replicative AdC68-Sur-E1A-TMC-tCD19. Oncolytic tagging system could diminish established tumors in vivo and prolong mice survival significantly. Therefore, we suggest the universal oncolytic Ad-tagging system in combination with single target CAR-T cells could be a powerful complement in immunotherapy against antigenically mismatched solid tumors.
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Affiliation(s)
- Xinying Tang
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, Jiangsu, 211198, PR China
| | - Yixuan Li
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, Jiangsu, 211198, PR China
| | - Jinyan Ma
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, Jiangsu, 211198, PR China
| | - Xu Wang
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, Jiangsu, 211198, PR China
| | - Weijun Zhao
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, Jiangsu, 211198, PR China
| | - Md Amir Hossain
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, Jiangsu, 211198, PR China
| | - Yong Yang
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, Jiangsu, 211198, PR China.
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58
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Hassan G, Seno M. Blood and Cancer: Cancer Stem Cells as Origin of Hematopoietic Cells in Solid Tumor Microenvironments. Cells 2020; 9:cells9051293. [PMID: 32455995 PMCID: PMC7290570 DOI: 10.3390/cells9051293] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 05/19/2020] [Accepted: 05/20/2020] [Indexed: 12/27/2022] Open
Abstract
The concepts of hematopoiesis and the generation of blood and immune cells from hematopoietic stem cells are some steady concepts in the field of hematology. However, the knowledge of hematopoietic cells arising from solid tumor cancer stem cells is novel. In the solid tumor microenvironment, hematopoietic cells play pivotal roles in tumor growth and progression. Recent studies have reported that solid tumor cancer cells or cancer stem cells could differentiate into hematopoietic cells. Here, we discuss efforts and research that focused on the presence of hematopoietic cells in tumor microenvironments. We also discuss hematopoiesis from solid tumor cancer stem cells and clarify the notion of differentiation of solid tumor cancer stem cells into non-cancer hematopoietic stem cells.
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Affiliation(s)
- Ghmkin Hassan
- Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama 700-8530, Japan;
- Department of Microbiology and Biochemistry, Faculty of Pharmacy, Damascus University, Damascus 10769, Syria
| | - Masaharu Seno
- Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama 700-8530, Japan;
- Correspondence: ; Tel.: +81-86-251-8216
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59
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Challenges to Successful Implementation of the Immune Checkpoint Inhibitors for Treatment of Glioblastoma. Int J Mol Sci 2020; 21:ijms21082759. [PMID: 32316096 PMCID: PMC7215941 DOI: 10.3390/ijms21082759] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 04/08/2020] [Accepted: 04/14/2020] [Indexed: 12/24/2022] Open
Abstract
Glioblastoma (GBM) is the most common and aggressive malignant glioma, treatment of which has not improved significantly in many years. This is due to the unique challenges that GBM tumors present when designing and implementing therapies. Recently, immunotherapy in the form of immune checkpoint inhibition (ICI) has revolutionized the treatment of various malignancies. The application of immune checkpoint inhibition in GBM treatment has shown promising preclinical results. Unfortunately, this has met with little to no success in the clinic thus far. In this review, we will discuss the challenges presented by GBM tumors that likely limit the effect of ICI and discuss the approaches being tested to overcome these challenges.
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60
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Saggioro M, D'Angelo E, Bisogno G, Agostini M, Pozzobon M. Carcinoma and Sarcoma Microenvironment at a Glance: Where We Are. Front Oncol 2020; 10:76. [PMID: 32195166 PMCID: PMC7063801 DOI: 10.3389/fonc.2020.00076] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 01/15/2020] [Indexed: 12/14/2022] Open
Abstract
Cells and extracellular matrix (ECM) components represent the multifaceted and dynamic environment that distinguishes each organ. Cancer is characterized by the dysregulation of the composition and structure of the tissues, giving rise to the tumor milieu. In this review, we focus on the microenvironmental analysis of colorectal cancer (CRC) and rhabdomyosarcoma (RMS), two different solid tumors. While a lot is known about CRC environment, for RMS, this aspect is mostly unexplored. Following the example of the more complete CRC microenvironmental characterization, we collected and organized data on RMS for a better awareness of how tissue remodeling affects disease progression.
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Affiliation(s)
- Mattia Saggioro
- Stem Cells and Regenerative Medicine Lab, Fondazione Istituto di Ricerca Pediatrica Città Della Speranza, Padova, Italy.,Department of Women and Children Health, University of Padova, Padova, Italy
| | - Edoardo D'Angelo
- First Surgical Clinic, Department of Surgery, Oncology and Gastroenterology, University of Padova, Padova, Italy.,NanoInspired Biomedicine Lab, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padova, Italy.,LIFELAB Program, Consorzio per la Ricerca Sanitaria-CORIS, Padova, Italy
| | - Gianni Bisogno
- Department of Women and Children Health, University of Padova, Padova, Italy
| | - Marco Agostini
- First Surgical Clinic, Department of Surgery, Oncology and Gastroenterology, University of Padova, Padova, Italy.,NanoInspired Biomedicine Lab, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padova, Italy.,LIFELAB Program, Consorzio per la Ricerca Sanitaria-CORIS, Padova, Italy
| | - Michela Pozzobon
- Stem Cells and Regenerative Medicine Lab, Fondazione Istituto di Ricerca Pediatrica Città Della Speranza, Padova, Italy.,Department of Women and Children Health, University of Padova, Padova, Italy
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61
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Thanindratarn P, Dean DC, Nelson SD, Hornicek FJ, Duan Z. Chimeric antigen receptor T (CAR-T) cell immunotherapy for sarcomas: From mechanisms to potential clinical applications. Cancer Treat Rev 2020; 82:101934. [DOI: 10.1016/j.ctrv.2019.101934] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 11/13/2019] [Accepted: 11/19/2019] [Indexed: 02/07/2023]
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62
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Lim M, Badruddoza AZM, Firdous J, Azad M, Mannan A, Al-Hilal TA, Cho CS, Islam MA. Engineered Nanodelivery Systems to Improve DNA Vaccine Technologies. Pharmaceutics 2020; 12:E30. [PMID: 31906277 PMCID: PMC7022884 DOI: 10.3390/pharmaceutics12010030] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 12/16/2019] [Accepted: 12/21/2019] [Indexed: 12/18/2022] Open
Abstract
DNA vaccines offer a flexible and versatile platform to treat innumerable diseases due to the ease of manipulating vaccine targets simply by altering the gene sequences encoded in the plasmid DNA delivered. The DNA vaccines elicit potent humoral and cell-mediated responses and provide a promising method for treating rapidly mutating and evasive diseases such as cancer and human immunodeficiency viruses. Although this vaccine technology has been available for decades, there is no DNA vaccine that has been used in bed-side application to date. The main challenge that hinders the progress of DNA vaccines and limits their clinical application is the delivery hurdles to targeted immune cells, which obstructs the stimulation of robust antigen-specific immune responses in humans. In this updated review, we discuss various nanodelivery systems that improve DNA vaccine technologies to enhance the immunological response against target diseases. We also provide possible perspectives on how we can bring this exciting vaccine technology to bedside applications.
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Affiliation(s)
- Michael Lim
- Nanotechnology Engineering Program, University of Waterloo, Waterloo, ON N2L 3G1, Canada;
| | - Abu Zayed Md Badruddoza
- Department of Chemical and Life Sciences Engineering, Virginia Commonwealth University, Richmond, VA 23284, USA;
| | - Jannatul Firdous
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA;
| | - Mohammad Azad
- Department of Chemical, Biological and Bioengineering, North Carolina A&T State University, Greensboro, NC 27411, USA;
| | - Adnan Mannan
- Department of Genetic Engineering and Biotechnology, Faculty of Biological Sciences, University of Chittagong, Chittagong 4331, Bangladesh;
| | - Taslim Ahmed Al-Hilal
- Department of Pharmaceutical Sciences, University of Texas El Paso, El Paso, TX 79968, USA;
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Technology, Seoul National University, Gwanak-gu, Seoul 08826, Korea
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63
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Epigenetic Regulation of RIP3 Suppresses Necroptosis and Increases Resistance to Chemotherapy in NonSmall Cell Lung Cancer. Transl Oncol 2019; 13:372-382. [PMID: 31887632 PMCID: PMC6938879 DOI: 10.1016/j.tranon.2019.11.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 11/25/2019] [Indexed: 02/05/2023] Open
Abstract
INTRODUCTION The efficacy of chemotherapeutic agents in killing cancer cells is mainly attributed to the induction of apoptosis. However, the tremendous efforts on enhancing apoptosis-related mechanisms have only moderately improved lung cancer chemotherapy, suggesting that other cell death mechanisms such as necroptosis could be involved. In this study, we investigated the role of the necroptosis pathway in the responsiveness of nonsmall cell lung cancer (NSCLC) to chemotherapy. METHODS In vitro cell culture and in vivo xenograft tumor therapy models and clinical sample studies are combined in studying the role of necroptosis in chemotherapy and mechanism of necroptosis suppression involving RIP3 expression regulation. RESULTS While chemotherapeutic drugs were able to induce necroptotic cell death, this pathway was suppressed in lung cancer cells at least partly through downregulation of RIP3 expression. Ectopic RIP3 expression significantly sensitized lung cancer cells to the cytotoxicity of anticancer drugs such as cisplatin, etoposide, vincristine, and adriamycin. In addition, RIP3 suppression was associated with RIP3 promoter methylation, and demethylation partly restored RIP3 expression and increased chemotherapeutic-induced necroptotic cell death. In a xenograft tumor therapy model, ectopic RIP3 expression significantly sensitized anticancer activity of cisplatin in vivo. Furthermore, lower RIP3 expression was associated with worse chemotherapy response in NSCLC patients. CONCLUSION Our results indicate that the necroptosis pathway is suppressed in lung cancer through RIP3 promoter methylation, and reactivating this pathway should be exploited for improving lung cancer chemotherapy.
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64
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Walters DK, Jelinek DF. Multiplex Immunofluorescence of Bone Marrow Core Biopsies: Visualizing the Bone Marrow Immune Contexture. J Histochem Cytochem 2019; 68:99-112. [PMID: 31855110 DOI: 10.1369/0022155419896802] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The ability to visualize and quantify the spatial arrangement and geographic proximity of immune cells with tumor cells provides valuable insight into the complex mechanisms underlying cancer biology and progression. Multiplexing, which involves immunofluorescence labeling and the visualization of multiple epitopes within formalin-fixed paraffin embedded tissue sections, is a methodology that is being increasingly employed. Despite the power of immunofluorescence multiplex analysis, application of this technology to bone marrow core biopsies has not yet been realized. Given our specific long term goal to identify immune cells in proximity to bone marrow malignant plasma cells in multiple myeloma patients, we describe in this study adaptation of multiplex immunofluorescence analysis to this tissue. We first identified a blocking strategy that quenched autofluorescence. We next employed a multiplex strategy that uses a simple stripping solution to remove primary and secondary antibodies prior to subsequent rounds of staining. This method was found to be highly efficient and did not significantly alter antigenicity or tissue integrity. Our studies illustrate for the first time that immunofluorescence multiplexing is achievable in bone marrow core biopsies and will provide a novel opportunity to analyze the role of the immune contexture in disease progression of the monoclonal gammopathies.
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Affiliation(s)
- Denise K Walters
- Department of Immunology, College of Medicine and Science, Mayo Clinic, Rochester, Minnesota and Scottsdale, Arizona
| | - Diane F Jelinek
- Department of Immunology, College of Medicine and Science, Mayo Clinic, Rochester, Minnesota and Scottsdale, Arizona
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65
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Liu W, Wang W, Wang X, Xu C, Zhang N, Di W. Cisplatin-stimulated macrophages promote ovarian cancer migration via the CCL20-CCR6 axis. Cancer Lett 2019; 472:59-69. [PMID: 31866467 DOI: 10.1016/j.canlet.2019.12.024] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 11/07/2019] [Accepted: 12/16/2019] [Indexed: 02/07/2023]
Abstract
Despite the high response rate after surgery and platinum-combination chemotherapy, treatment of ovarian cancer remains challenging due to tumor recurrence and metastasis. Tumor-associated macrophages (TAMs) have been linked to cancer progression and metastasis. However, the impact of the crosstalk between chemotherapy and TAMs on ovarian cancer progression remains unclear. Here, we demonstrated that cisplatin-stimulated classically activated macrophages (CAMs) promote ovarian cancer cell migration by increasing CCL20 production, which activates its receptor CCR6 on ovarian cancer cells, triggering epithelial-to-mesenchymal transition. In clinical ovarian cancer samples, high CCR6 expression on ovarian cancer cells positively correlates with cancer metastasis, leading to poor prognosis. Pharmacological blockage of CCL20 on cisplatin-stimulated CAMs and siRNA-mediated inactivation of CCR6 on cancer cells effectively abrogated ovarian cancer cell migration induced by cisplatin-stimulated CAMs. Collectively, our results reveal a novel pro-migration mechanism driven by the crosstalk between cisplatin and CAMs, and implicate the CCL20-CCR6 axis as a potential therapeutic target to reduce chemotherapy-induced metastasis in advanced stage ovarian cancer.
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Affiliation(s)
- Wan Liu
- Department of Obstetrics and Gynecology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200127, China; Shanghai Key Laboratory of Gynecologic Oncology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200127, China
| | - Wenjing Wang
- Department of Obstetrics and Gynecology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200127, China; Shanghai Key Laboratory of Gynecologic Oncology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200127, China
| | - Xinran Wang
- Department of Obstetrics and Gynecology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200127, China; Shanghai Key Laboratory of Gynecologic Oncology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200127, China
| | - Cong Xu
- Department of Obstetrics and Gynecology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200127, China; Shanghai Key Laboratory of Gynecologic Oncology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200127, China
| | - Ning Zhang
- Department of Obstetrics and Gynecology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200127, China; Shanghai Key Laboratory of Gynecologic Oncology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200127, China.
| | - Wen Di
- Department of Obstetrics and Gynecology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200127, China; Shanghai Key Laboratory of Gynecologic Oncology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200127, China; State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200127, China.
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Zhang Y, Li Q, Hou P, Lu Y, Yang H, Lin X, Su C, Wei Y, Yang X, Yang H, Zhao X, Chen X. Transcription-Related Dynamics from Immune Disability into Endogenous Innovation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1900767. [PMID: 31832307 PMCID: PMC6891922 DOI: 10.1002/advs.201900767] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 08/13/2019] [Indexed: 02/05/2023]
Abstract
So far, thymus involution in adults is believed to be irreversible, and endogenous innovation for thymus-related immunodeficiency remains to be an intractable puzzle. With the expectation of addressing this dilemma, human ovarian surface epithelium (OSE) has been reengineered as epithelial-mesenchymal transition (EMT)-tridimensional-spheroid biologics (ETSB) using a dynamic EMT-3D-floating system along with 160 Gy X-ray-amelioration, which inoculates subcutaneously into aging rhesus and athymic Balb/c nu/nu mice. Herein, it is bioinformatically validated that ETSB can reset Clock/Arntl-Per3/Tim molecule rhythm dynamics to re-prime thymus residual (parathyroid or fatty-like invalid vesicles yet no thymic architecture) to evolutionary transcription with overall cortex-medulla endogenized by TECs undergoing MET/EMT reversion. Rhythm dynamics immediately resettles the bHLH-LTβR-NFκB-RelA/B loop as a cascade to provoke the core immune microenvironment for multifunctional innovation of dynamic TCR orchestration, with harmonious naïve T-subsets and TRECs renewals (P < 0.005). Subsequently, peripheral biological burden and tumor metastasis dynamics are addressed by innovative TCR-defense/attack dynamics quickly (P < 0.005 vs Control), yet without autoimmune indication to hosts. Moreover, a functional blockade of core-rhythm dynamics deeply impedes the endogenous innovation of invalid thymus residual. Thus this study may help pioneer a prospective strategy to innovate panoramic central-peripheral immune microenvironments and defense dynamics for immune-deficient/aging victims.
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Affiliation(s)
- Yanna Zhang
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for BiotherapyWest China HospitalSichuan UniversityKeyuan Road 4 No. 1, High Technological Development ZoneChengduSichuan610041P. R. China
| | - Qian Li
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for BiotherapyWest China HospitalSichuan UniversityKeyuan Road 4 No. 1, High Technological Development ZoneChengduSichuan610041P. R. China
| | - Panyan Hou
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for BiotherapyWest China HospitalSichuan UniversityKeyuan Road 4 No. 1, High Technological Development ZoneChengduSichuan610041P. R. China
| | - Yanan Lu
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for BiotherapyWest China HospitalSichuan UniversityKeyuan Road 4 No. 1, High Technological Development ZoneChengduSichuan610041P. R. China
| | - Huanhuan Yang
- Department of Gynecology & ObstetricsWest China Hospital/Second HospitalSichuan UniversityNo 20, Section 3, South Renmin RoadChengduSichuan610041P. R. China
| | - Xiaojuan Lin
- Department of Gynecology & ObstetricsWest China Hospital/Second HospitalSichuan UniversityNo 20, Section 3, South Renmin RoadChengduSichuan610041P. R. China
| | - Chao Su
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for BiotherapyWest China HospitalSichuan UniversityKeyuan Road 4 No. 1, High Technological Development ZoneChengduSichuan610041P. R. China
| | - Yuquan Wei
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for BiotherapyWest China HospitalSichuan UniversityKeyuan Road 4 No. 1, High Technological Development ZoneChengduSichuan610041P. R. China
| | - Xiulin Yang
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for BiotherapyWest China HospitalSichuan UniversityKeyuan Road 4 No. 1, High Technological Development ZoneChengduSichuan610041P. R. China
| | - Hanshuo Yang
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for BiotherapyWest China HospitalSichuan UniversityKeyuan Road 4 No. 1, High Technological Development ZoneChengduSichuan610041P. R. China
| | - Xia Zhao
- Department of Gynecology & ObstetricsWest China Hospital/Second HospitalSichuan UniversityNo 20, Section 3, South Renmin RoadChengduSichuan610041P. R. China
| | - Xiancheng Chen
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for BiotherapyWest China HospitalSichuan UniversityKeyuan Road 4 No. 1, High Technological Development ZoneChengduSichuan610041P. R. China
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Aung A, Kumar V, Theprungsirikul J, Davey SK, Varghese S. An Engineered Tumor-on-a-Chip Device with Breast Cancer–Immune Cell Interactions for Assessing T-cell Recruitment. Cancer Res 2019; 80:263-275. [DOI: 10.1158/0008-5472.can-19-0342] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 08/08/2019] [Accepted: 11/14/2019] [Indexed: 11/16/2022]
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CXCR1- or CXCR2-modified CAR T cells co-opt IL-8 for maximal antitumor efficacy in solid tumors. Nat Commun 2019; 10:4016. [PMID: 31488817 PMCID: PMC6728370 DOI: 10.1038/s41467-019-11869-4] [Citation(s) in RCA: 215] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 08/01/2019] [Indexed: 12/11/2022] Open
Abstract
Chimeric antigen receptor (CAR) T-cell therapy targeting solid tumors has stagnated as a result of tumor heterogeneity, immunosuppressive microenvironments, and inadequate intratumoral T cell trafficking and persistence. Early (≤3 days) intratumoral presentation of CAR T cells post-treatment is a superior predictor of survival than peripheral persistence. Therefore, we have co-opted IL-8 release from tumors to enhance intratumoral T-cell trafficking through a CAR design for maximal antitumor activity in solid tumors. Here, we demonstrate that IL-8 receptor, CXCR1 or CXCR2, modified CARs markedly enhance migration and persistence of T cells in the tumor, which induce complete tumor regression and long-lasting immunologic memory in pre-clinical models of aggressive tumors such as glioblastoma, ovarian and pancreatic cancer. CAR T-cell therapy efficacy in solid tumors is limited by inadequate T-cell migration and/or persistence in tumour microenvironment. Here, the authors show that the activity of tumour-antigen specific CAR T cells, in multiple preclinical mouse models, can be enhanced by co-expression of two IL-8 receptors that mediate their migration into the tumor microenvironment when IL-8 production in tumor is naturally expressed or enhanced by radiation.
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69
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D'Alessandro G, Quaglio D, Monaco L, Lauro C, Ghirga F, Ingallina C, De Martino M, Fucile S, Porzia A, Di Castro MA, Bellato F, Mastrotto F, Mori M, Infante P, Turano P, Salmaso S, Caliceti P, Di Marcotullio L, Botta B, Ghini V, Limatola C. 1H-NMR metabolomics reveals the Glabrescione B exacerbation of glycolytic metabolism beside the cell growth inhibitory effect in glioma. Cell Commun Signal 2019; 17:108. [PMID: 31455353 PMCID: PMC6712882 DOI: 10.1186/s12964-019-0421-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 08/14/2019] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Glioma is the most common and primary brain tumors in adults. Despite the available multimodal therapies, glioma patients appear to have a poor prognosis. The Hedgehog (Hh) signaling is involved in tumorigenesis and emerged as a promising target for brain tumors. Glabrescione B (GlaB) has been recently identified as the first direct inhibitor of Gli1, the downstream effector of the pathway. METHODS We established the overexpression of Gli1 in murine glioma cells (GL261) and GlaB effect on cell viability. We used 1H-nuclear magnetic resonance (NMR) metabolomic approach to obtain informative metabolic snapshots of GL261 cells acquired at different time points during GlaB treatment. The activation of AMP activated protein Kinase (AMPK) induced by GlaB was established by western blot. After the orthotopic GL261 cells injection in the right striatum of C57BL6 mice and the intranasal (IN) GlaB/mPEG5kDa-Cholane treatment, the tumor growth was evaluated. The High Performance Liquid Chromatography (HPLC) combined with Mass Spectrometry (MS) was used to quantify GlaB in brain extracts of treated mice. RESULTS We found that GlaB affected the growth of murine glioma cells both in vitro and in vivo animal model. Using an untargeted 1H-NMR metabolomic approach, we found that GlaB stimulated the glycolytic metabolism in glioma, increasing lactate production. The high glycolytic rate could in part support the cytotoxic effects of GlaB, since the simultaneous blockade of lactate efflux with α-cyano-4-hydroxycinnamic acid (ACCA) affected glioma cell growth. According to the metabolomic data, we found that GlaB increased the phosphorylation of AMPK, a cellular energy sensor involved in the anabolic-to-catabolic transition. CONCLUSIONS Our results indicate that GlaB inhibits glioma cell growth and exacerbates Warburg effect, increasing lactate production. In addition, the simultaneous blockade of Gli1 and lactate efflux amplifies the anti-tumor effect in vivo, providing new potential therapeutic strategy for this brain tumor.
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Affiliation(s)
- Giuseppina D'Alessandro
- Department of Physiology and Pharmacology, Sapienza University, Rome, Italy.,IRCCS Neuromed, Pozzilli, IS, Italy
| | - Deborah Quaglio
- Department of Chemistry and Technology of Drugs, "Department of Excellence 2018-2022", Sapienza University of Rome, P.le Aldo Moro 5, 00185, Rome, Italy.
| | - Lucia Monaco
- Department of Physiology and Pharmacology, Sapienza University, Rome, Italy
| | - Clotilde Lauro
- Department of Physiology and Pharmacology, Sapienza University, Rome, Italy
| | - Francesca Ghirga
- Center For Life Nano Science@Sapienza, Istituto Italiano di Tecnologia, Rome, Italy
| | - Cinzia Ingallina
- Department of Chemistry and Technology of Drugs, "Department of Excellence 2018-2022", Sapienza University of Rome, P.le Aldo Moro 5, 00185, Rome, Italy
| | - Michela De Martino
- Department of Chemistry and Technology of Drugs, "Department of Excellence 2018-2022", Sapienza University of Rome, P.le Aldo Moro 5, 00185, Rome, Italy
| | - Sergio Fucile
- Department of Physiology and Pharmacology, Sapienza University, Rome, Italy.,IRCCS Neuromed, Pozzilli, IS, Italy
| | - Alessandra Porzia
- Department of Molecular Medicine, Laboratory affiliated to Istituto Pasteur Italia Fondazione Cenci Bolognetti, Sapienza University of Rome, Rome, Italy
| | | | - Federica Bellato
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Francesca Mastrotto
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Mattia Mori
- Department of Biotechnology, Chemistry and Pharmacy, "Department of Excellence 2018-2022", University of Siena, via Aldo Moro 2, 53100, Siena, Italy
| | - Paola Infante
- Center For Life Nano Science@Sapienza, Istituto Italiano di Tecnologia, Rome, Italy
| | - Paola Turano
- CERM and Department of Chemistry, University of Florence, Via Luigi Sacconi 6, 50019, Sesto Fiorentino, Florence, Italy
| | - Stefano Salmaso
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Paolo Caliceti
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Lucia Di Marcotullio
- Department of Molecular Medicine, Laboratory affiliated to Istituto Pasteur Italia Fondazione Cenci Bolognetti, Sapienza University of Rome, Rome, Italy
| | - Bruno Botta
- Department of Chemistry and Technology of Drugs, "Department of Excellence 2018-2022", Sapienza University of Rome, P.le Aldo Moro 5, 00185, Rome, Italy
| | - Veronica Ghini
- CIRMMP, Via Luigi Sacconi 6, 50019, Sesto Fiorentino, Florence, Italy
| | - Cristina Limatola
- IRCCS Neuromed, Pozzilli, IS, Italy.,Department of Physiology and Pharmacology, Laboratory affiliated to Istituto Pasteur Italia Fondazione Cenci Bolognetti, Sapienza University of Rome, Rome, Italy
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Wang Z, Chen W, Zhang X, Cai Z, Huang W. A long way to the battlefront: CAR T cell therapy against solid cancers. J Cancer 2019; 10:3112-3123. [PMID: 31289581 PMCID: PMC6603378 DOI: 10.7150/jca.30406] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 04/07/2019] [Indexed: 12/15/2022] Open
Abstract
Chimeric antigen receptors (CARs) are engineered synthetic receptors that redirect and reprogram T cells to tumor surface antigens for subsequent eradication. The unprecedented efficacy of CD19-CAR T cells against B-cell malignancies has inspired oncologists to extend these efforts for the treatment of solid tumors. However, limited success has been achieved so far, partially due to some of the formidable challenges, e.g. suppression of full activation, inhibition of T cell localization, lacking of ideal targets, inefficient trafficking and infiltration, immunosuppression of microenvironment, and the probability of off targets and associated side effects. Significant progresses have being made recently. Thus, an updated summary is urgently needed. Here in this review, we discuss the advantages and some of the key hurdles encountered by CAR T cell therapy in solid tumors as well as the strategies adopted to improve therapeutic outcomes of this approach. Continuing efforts to increase therapeutic potential and decrease the adverse effects of adaptive cell transfer are suggested as well.
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Affiliation(s)
- Zhicai Wang
- Department of Medical Melanoma and Sarcoma, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China.,Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, 518039, China
| | - Wei Chen
- Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, 518039, China
| | - Xing Zhang
- Department of Medical Melanoma and Sarcoma, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Zhiming Cai
- Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, 518039, China.,Department of Urology, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Carson International Cancer Center, Shenzhen University School of Medicine, Shenzhen 518039, China.,Guangdong Key Laboratory of Systems Biology and Synthetic Biology for Urogenital Tumors, Shenzhen 518035, China
| | - Weiren Huang
- Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, 518039, China.,Department of Urology, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Carson International Cancer Center, Shenzhen University School of Medicine, Shenzhen 518039, China.,Guangdong Key Laboratory of Systems Biology and Synthetic Biology for Urogenital Tumors, Shenzhen 518035, China
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71
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Peixoto A, Relvas-Santos M, Azevedo R, Santos LL, Ferreira JA. Protein Glycosylation and Tumor Microenvironment Alterations Driving Cancer Hallmarks. Front Oncol 2019; 9:380. [PMID: 31157165 PMCID: PMC6530332 DOI: 10.3389/fonc.2019.00380] [Citation(s) in RCA: 198] [Impact Index Per Article: 39.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 04/23/2019] [Indexed: 12/12/2022] Open
Abstract
Decades of research have disclosed a plethora of alterations in protein glycosylation that decisively impact in all stages of disease and ultimately contribute to more aggressive cell phenotypes. The biosynthesis of cancer-associated glycans and its reflection in the glycoproteome is driven by microenvironmental cues and these events act synergistically toward disease evolution. Such intricate crosstalk provides the molecular foundations for the activation of relevant oncogenic pathways and leads to functional alterations driving invasion and disease dissemination. However, it also provides an important source of relevant glyco(neo)epitopes holding tremendous potential for clinical intervention. Therefore, we highlight the transversal nature of glycans throughout the currently accepted cancer hallmarks, with emphasis on the crosstalk between glycans and the tumor microenvironment stromal components. Focus is also set on the pressing need to include glycans and glycoconjugates in comprehensive panomics models envisaging molecular-based precision medicine capable of improving patient care. We foresee that this may provide the necessary rationale for more comprehensive studies and molecular-based intervention.
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Affiliation(s)
- Andreia Peixoto
- Experimental Pathology and Therapeutics Group, Portuguese Institute of Oncology, Porto, Portugal.,Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal.,Tumour and Microenvironment Interactions Group, INEB-Institute for Biomedical Engineering, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
| | - Marta Relvas-Santos
- Experimental Pathology and Therapeutics Group, Portuguese Institute of Oncology, Porto, Portugal
| | - Rita Azevedo
- Experimental Pathology and Therapeutics Group, Portuguese Institute of Oncology, Porto, Portugal.,Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal
| | - Lúcio Lara Santos
- Experimental Pathology and Therapeutics Group, Portuguese Institute of Oncology, Porto, Portugal.,Department of Surgical Oncology, Portuguese Institute of Oncology, Porto, Portugal
| | - José Alexandre Ferreira
- Experimental Pathology and Therapeutics Group, Portuguese Institute of Oncology, Porto, Portugal.,Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal.,Porto Comprehensive Cancer Center, Porto, Portugal
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Mardiana S, Lai J, House IG, Beavis PA, Darcy PK. Switching on the green light for chimeric antigen receptor T-cell therapy. Clin Transl Immunology 2019; 8:e1046. [PMID: 31073403 PMCID: PMC6500780 DOI: 10.1002/cti2.1046] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 03/13/2019] [Accepted: 03/14/2019] [Indexed: 12/18/2022] Open
Abstract
Adoptive cellular therapy involving genetic modification of T cells with chimeric antigen receptor (CAR) transgene offers a promising strategy to broaden the efficacy of this approach for the effective treatment of cancer. Although remarkable antitumor responses have been observed following CAR T‐cell therapy in a subset of B‐cell malignancies, this has yet to be extended in the context of solid cancers. A number of promising strategies involving reprogramming the tumor microenvironment, increasing the specificity and safety of gene‐modified T cells and harnessing the endogenous immune response have been tested in preclinical models that may have a significant impact in patients with solid cancers. This review will discuss these exciting new developments and the challenges that must be overcome to deliver a more sustained and potent therapeutic response.
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Affiliation(s)
- Sherly Mardiana
- Cancer Immunology Program Peter MacCallum Cancer Centre Melbourne VIC Australia.,Sir Peter MacCallum Department of Oncology The University of Melbourne Parkville VIC Australia
| | - Junyun Lai
- Cancer Immunology Program Peter MacCallum Cancer Centre Melbourne VIC Australia.,Sir Peter MacCallum Department of Oncology The University of Melbourne Parkville VIC Australia
| | - Imran Geoffrey House
- Cancer Immunology Program Peter MacCallum Cancer Centre Melbourne VIC Australia.,Sir Peter MacCallum Department of Oncology The University of Melbourne Parkville VIC Australia
| | - Paul Andrew Beavis
- Cancer Immunology Program Peter MacCallum Cancer Centre Melbourne VIC Australia.,Sir Peter MacCallum Department of Oncology The University of Melbourne Parkville VIC Australia
| | - Phillip Kevin Darcy
- Cancer Immunology Program Peter MacCallum Cancer Centre Melbourne VIC Australia.,Sir Peter MacCallum Department of Oncology The University of Melbourne Parkville VIC Australia.,Department of Pathology University of Melbourne Parkville VIC Australia.,Department of Immunology Monash University Clayton VIC Australia
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73
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Zhang Z, Liang X, Fan Y, Gao Z, Bindoff LA, Costea DE, Li L. Fibroblasts rescue oral squamous cancer cell from metformin-induced apoptosis via alleviating metabolic disbalance and inhibiting AMPK pathway. Cell Cycle 2019; 18:949-962. [PMID: 31014173 DOI: 10.1080/15384101.2019.1598727] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Metformin is an antidiabetic drug widely used for the treatment of type 2 diabetes. Growing evidence suggests that it may exert antitumor effects in vivo and in vitro. However, even with the promising potency on defeating cancer cells, the pre-clinical and epidemiological studies of metformin on various kinds of cancers are not satisfactory, and the reasons and underlying mechanisms remain unknown. Since cancer is a complex system, dependent on a promoting microenvironment, we hypothesize that the interactions between cancer cells and their neighborhood fibroblasts are essential for metformin resistance. To test this, we used a cell co-culture model closely mimicking the in vivo interactions and metabolic exchanges between normal stromal cells (NOFs) and oral squamous cancer cells (OSCC). Here we show that while metformin can significantly inhibit cell growth and induce apoptosis of OSCC cultured alone in a dose-dependent manner through activating p-AMPKT172 and modulating Bcl-2, Bax, and cleaved PARP. However, when OSCC are co-cultured with NOFs the metformin effects on OSCC cells are annihilated. NOFs are rescuing OSCC from metformin - induced apoptosis, at least partially, through inhibiting the activity of AMPK and PARP, maintaining mitochondrial membrane potential and increasing the oxidative stress. Our results indicate that metformin effects on oral cancer cells are modulated by the microenvironment and that this has to be taken into consideration in the context of developing a new combination of drugs for oral cancer treatment.
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Affiliation(s)
- Zhuoyuan Zhang
- a State Key Laboratory of Oral Diseases; West China School of Stomatology , Sichuan University , Chengdu , China.,b Department of Head and Neck Cancer Surgery, West China School of Stomatology , Sichuan University , Chengdu , China
| | - Xiao Liang
- c Department of Neurology , Haukeland University Hospital , Bergen , Norway
| | - Yaping Fan
- a State Key Laboratory of Oral Diseases; West China School of Stomatology , Sichuan University , Chengdu , China
| | - Zhenjie Gao
- d Department of Oral and Maxillofacial Surgery , The First Affiliated Hospital of Zhengzhou University , Zhengzhou , China
| | - Laurence A Bindoff
- c Department of Neurology , Haukeland University Hospital , Bergen , Norway.,e Department of Clinical Medicine (K1) , University of Bergen , Bergen , Norway
| | - Daniela Elena Costea
- f Gade Laboratory for Pathology and Center for Cancer Biomarkers CCBIO, Department of Clinical Medicine , University of Bergen , Norway.,g Department of Pathology , Haukeland University Hospital , Norway
| | - Longjiang Li
- a State Key Laboratory of Oral Diseases; West China School of Stomatology , Sichuan University , Chengdu , China.,b Department of Head and Neck Cancer Surgery, West China School of Stomatology , Sichuan University , Chengdu , China
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Zhang X, Men K, Zhang Y, Zhang R, Yang L, Duan X. Local and systemic delivery of mRNA encoding survivin-T34A by lipoplex for efficient colon cancer gene therapy. Int J Nanomedicine 2019; 14:2733-2751. [PMID: 31118608 PMCID: PMC6503337 DOI: 10.2147/ijn.s198747] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 03/11/2019] [Indexed: 02/05/2023] Open
Abstract
Background: In vitro transcribed (IVT) mRNA has been applied as an alternative therapeutic molecule to plasmid DNA in the field of cancer therapy and biomedical research studies. mRNA-based therapy has demonstrated several advantages over its DNA counterparts. However, its further therapeutic application is largely restricted by delivery method. Methods: In this work, a liposome-protamine lipoplex (CLPP) was prepared to deliver IVT mRNA encoding survivin-T34A gene, forming a novel core-shell structured nanoparticle formulation (CLPP/mSur-T34A). Results: The prepared CLPP/mSur-T34A particle had an average size of 186.1±3.1 nm, displaying high mRNA transfecting and expression efficiency on C26 tumor cells through lipid rafts-mediated endocytosis. CLPP/mSur-T34A mRNA formulation demonstrated obvious therapeutic effects on various models of C26 colon cancer both in vitro and in vivo. Particularly, local and systemic administration of CLPP/mSur-T34A particle exhibited superior antitumor effect regarding its DNA plasmid counterpart with high safety. Conclusion: Our results indicated the high delivery capacity of liposome-protamine lipoplex and further suggested CLPP/mSur-T34A mRNA formulation to be a potential candidate for colon cancer therapy.
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Affiliation(s)
- Xueyan Zhang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
| | - Ke Men
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
| | - Yuanfa Zhang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
| | - Rui Zhang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
| | - Li Yang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
| | - Xingmei Duan
- Department of Pharmacy and Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu 610072, People's Republic of China
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Nanobody-based CAR T cells that target the tumor microenvironment inhibit the growth of solid tumors in immunocompetent mice. Proc Natl Acad Sci U S A 2019; 116:7624-7631. [PMID: 30936321 DOI: 10.1073/pnas.1817147116] [Citation(s) in RCA: 189] [Impact Index Per Article: 37.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Chimeric antigen receptor (CAR) T cell therapy has been successful in clinical trials against hematological cancers, but has experienced challenges in the treatment of solid tumors. One of the main difficulties lies in a paucity of tumor-specific targets that can serve as CAR recognition domains. We therefore focused on developing VHH-based, single-domain antibody (nanobody) CAR T cells that target aspects of the tumor microenvironment conserved across multiple cancer types. Many solid tumors evade immune recognition through expression of checkpoint molecules, such as PD-L1, that down-regulate the immune response. We therefore targeted CAR T cells to the tumor microenvironment via the checkpoint inhibitor PD-L1 and observed a reduction in tumor growth, resulting in improved survival. CAR T cells that target the tumor stroma and vasculature through the EIIIB+ fibronectin splice variant, which is expressed by multiple tumor types and on neovasculature, are likewise effective in delaying tumor growth. VHH-based CAR T cells can thus function as antitumor agents for multiple targets in syngeneic, immunocompetent animal models. Our results demonstrate the flexibility of VHH-based CAR T cells and the potential of CAR T cells to target the tumor microenvironment and treat solid tumors.
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Latent Cytomegalovirus Infection in Female Mice Increases Breast Cancer Metastasis. Cancers (Basel) 2019; 11:cancers11040447. [PMID: 30934926 PMCID: PMC6520675 DOI: 10.3390/cancers11040447] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 03/11/2019] [Accepted: 03/26/2019] [Indexed: 11/16/2022] Open
Abstract
Cytomegalovirus (CMV) infects 40⁻70% of women, but infection has been reported in >95% of breast cancer patients. We investigated the consequences of these observations by infecting mice with mCMV or a negative control medium for 4 days, 11 days or 10 weeks to establish active, intermediate or latent infections, respectively. Syngeneic 4T1 or E0771 breast cancer cells were then injected into a mammary fat pad of BALB/c or C57BL/6 mice, respectively. Infection did not affect tumor growth in these conditions, but latently infected BALB/c mice developed more lung metastases. The latent mCMV infection of MMTV-PyVT mice, which develop spontaneous breast tumors, also did not affect the number or sizes of breast tumors. However, there were more tumors that were multilobed with greater blood content, which had enhanced vasculature and decreased collagen content. Most significantly, mCMV infection also increased the number and size of lung metastases, which showed a higher cell proliferation. Viral DNA was detected in breast tumors and lung nodules although viral mRNA was not. These novel results have important clinical implications since an increased metastasis is prognostic of decreased survival. This work provides evidence that treating or preventing HCMV infections may increase the life expectancy of breast cancer patients by decreasing metastasis.
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Li Y, Du L, Wu C, Yu B, Zhang H, An F. Peptide Sequence-Dominated Enzyme-Responsive Nanoplatform for Anticancer Drug Delivery. Curr Top Med Chem 2019; 19:74-97. [PMID: 30686257 DOI: 10.2174/1568026619666190125144621] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 11/06/2018] [Accepted: 11/23/2018] [Indexed: 02/08/2023]
Abstract
Enzymatic dysregulation in tumor and intracellular microenvironments has made this property
a tremendously promising responsive element for efficient diagnostics, carrier targeting, and drug
release. When combined with nanotechnology, enzyme-responsive drug delivery systems (DDSs) have
achieved substantial advancements. In the first part of this tutorial review, changes in tumor and intracellular
microenvironmental factors, particularly the enzymatic index, are described. Subsequently, the
peptide sequences of various enzyme-triggered nanomaterials are summarized for their uses in various
drug delivery applications. Then, some other enzyme responsive nanostructures are discussed. Finally,
the future opportunities and challenges are discussed. In brief, this review can provide inspiration and
impetus for exploiting more promising internal enzyme stimuli-responsive nanoDDSs for targeted tumor
diagnosis and treatment.
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Affiliation(s)
- Yanan Li
- First Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi, 030001, China
| | - Liping Du
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Science, Health Science Center, Xi’an Jiaotong University, No.76 Yanta West Road, Xi'an, Shaanxi 710061, China
| | - Chunsheng Wu
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Science, Health Science Center, Xi’an Jiaotong University, No.76 Yanta West Road, Xi'an, Shaanxi 710061, China
| | - Bin Yu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Hui Zhang
- First Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi, 030001, China
| | - Feifei An
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Science, Health Science Center, Xi’an Jiaotong University, No.76 Yanta West Road, Xi'an, Shaanxi 710061, China
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Ozpiskin OM, Zhang L, Li JJ. Immune targets in the tumor microenvironment treated by radiotherapy. Am J Cancer Res 2019; 9:1215-1231. [PMID: 30867826 PMCID: PMC6401500 DOI: 10.7150/thno.32648] [Citation(s) in RCA: 99] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Accepted: 01/11/2019] [Indexed: 12/12/2022] Open
Abstract
Radiotherapy (RT), the major anti-cancer modality for more than half of cancer patients after diagnosis, has the advantage of local tumor control with relatively less systematic side effects comparing to chemotherapy. However, the efficacy of RT is limited by acquired tumor resistance leading to the risks of relapse and metastasis. To further enhance the efficacy of RT, with the renaissances of targeted immunotherapy (TIT), increasing interests are raised on RT combined with TIT including cancer vaccines, T-cell therapy, and antibody-based immune checkpoint blockers (ICB) such as anti-CTLA-4 and anti-PD1/PD-L1. In achieving a significant synergy between RT and TIT, the dynamics of radiation-induced response in tumor cells and stromal cells, especially the cross-talk between tumor cells and immune cells in the irradiated tumor microenvironment (ITME) as highlighted in recent literature are to be elucidated. The abscopal effect refereeing the RT-induced priming function outside of ITME could be compromised by the immune-suppressive factors such as CD47 and PD-L1 on tumor cells and Treg induced or enhanced in the ITME. Cell surface receptors temporally or permanently induced and bioactive elements released from dead cells could serve antigenic source (radiation-associated antigenic proteins, RAAPs) to the host and have functions in immune regulation on the tumor. This review is attempted to summarize a cluster of factors that are inducible by radiation and targetable by antibodies, or have potential to be immune regulators to synergize tumor control with RT. Further characterization of immune regulators in ITME will deepen our understanding of the interplay among immune regulators in ITME and discover new effective targets for the combined modality with RT and TIT.
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79
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Catacchio I, Silvestris N, Scarpi E, Schirosi L, Scattone A, Mangia A. Intratumoral, rather than stromal, CD8+ T cells could be a potential negative prognostic marker in invasive breast cancer patients. Transl Oncol 2019; 12:585-595. [PMID: 30682679 PMCID: PMC6350084 DOI: 10.1016/j.tranon.2018.12.005] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 12/07/2018] [Accepted: 12/10/2018] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Tumor infiltrating lymphocytes (TILs) are widely considered a key sign of the immune interaction between host and tumor, and potentially prognostic biomarkers of good or bad outcome in many cancers, included invasive breast cancer (BC). However, results about the association between TIL typology, location and BC prognosis, are controversial. The aim of the study was to evaluated the prognostic significance of TIL subtypes (CD4+, CD8+, FOXP3+ T cells) and their location (stromal "s" and intratumoral "i" CD4+ and CD8+) in BC patients, focusing on the association between these markers and immunocheckpoint molecules such as cytotoxic T lymphocyte antigen 4 (CTLA-4), programmed cell death ligand 1 (PD-L1) and its receptor (PD-1). METHODS CD4+, CD8+, FOXP3+, CTLA4+, PD-L1+ and PD-1+ expression was examined by immunohistochemistry on tissue microarrays (TMAs) from 180 BC patients. Univariate and Kaplan-Meier analyses of disease free survival (DFS) were performed to evaluate the prognostic significance of marker expression. RESULTS Total CD8+ T cells were not significantly associated with DFS. Differently, patients with iCD8+ and sCD8+ overexpression showed a trend toward respectively a worse (P = .050) and a better 5-years DFS (P = .064). Interestingly, TIL expression of both PD-1+ and PD-L1+, was significantly associated with iCD8+ (P = .0004; P < .0001 respectively), while only TIL expression of PD-1 was associated with sCD8+ (P = .001). CONCLUSION Our data show that iCD8+ T cells, but no sCD8+ T cells identify a subgroup of patients with poor DFS and this could be due to the overexpression of PD-L1/PD-1 pathway.
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Affiliation(s)
- Ivana Catacchio
- Functional Biomorphology Laboratory, IRCCS Istituto Tumori "Giovanni Paolo II" di Bari, Italia.
| | - Nicola Silvestris
- Medical Oncology Unit and Scientific Directorate IRCCS Istituto Tumori "Giovanni Paolo II" di Bari, Italia.
| | - Emanuela Scarpi
- Unit of Biostatistics and Clinical Trials, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST)-IRCCS, 47014 Meldola, FC, Italy.
| | - Laura Schirosi
- Functional Biomorphology Laboratory, IRCCS Istituto Tumori "Giovanni Paolo II" di Bari, Italia.
| | - Anna Scattone
- Pathology Department, IRCCS Istituto Tumori "Giovanni Paolo II" di Bari, Italia.
| | - Anita Mangia
- Functional Biomorphology Laboratory, IRCCS Istituto Tumori "Giovanni Paolo II" di Bari, Italia.
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80
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Jia Q, Yang F, Huang W, Zhang Y, Bao B, Li K, Wei F, Zhang C, Jia H. Low Levels of Sox2 are required for Melanoma Tumor-Repopulating Cell Dormancy. Theranostics 2019; 9:424-435. [PMID: 30809284 PMCID: PMC6376184 DOI: 10.7150/thno.29698] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 12/03/2018] [Indexed: 01/29/2023] Open
Abstract
Tumorigenic cells, when facing a hostile environment, may enter a dormant state, leading to long-term tumor survival, relapse, and metastasis. To date, the molecular mechanism of tumor cell dormancy remains poorly understood. Methods: A soft, 3-dimentional (3D) fibrin gel culture system was used to mechanically select and grow highly malignant and tumorigenic melanoma tumor-repopulating cells (TRCs). We cultured control melanoma TRCs, TRCs with Sox2 knockdown, TRCs with Sox2 knockout, and a 2D control for in vitro and in vivo experiments. Western blotting, immunofluorescence, and flow cytometry analysis were performed to examine TRC dormancy and exit from dormancy. Results: Under a low-expression condition, we show that Sox2, a stemness molecule participates in dormancy regulation of highly tumorigenic cells that can repopulate a tumor (TRCs). Intriguingly, complete depletion of Sox2 via knockout results in dormancy exit and growth resumption of melanoma TRCs in culture and elevation of melanoma TRC apoptosis. Mice that are injected subcutaneously with Sox2-depleted melanoma TRCs do not form tumors and survive much longer than those injected with melanoma TRCs. We found that complete depletion of Sox2 promotes nuclear translocation of phosphorylated STAT3, where it binds to the p53 gene promoter, thus activating the p53-caspase3 cascade. Conclusion: These findings provide a novel insight into the role of the Sox2 gene in tumor cell stemness, tumor dormancy, and apoptosis.
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Affiliation(s)
- Qiong Jia
- Laboratory for Cellular Biomechanics and Regenerative Medicine, Department of Biomechanical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
| | - Fang Yang
- Laboratory for Cellular Biomechanics and Regenerative Medicine, Department of Biomechanical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
| | - Wei Huang
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yao Zhang
- Laboratory for Cellular Biomechanics and Regenerative Medicine, Department of Biomechanical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
| | - Binghao Bao
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
| | - Ke Li
- Laboratory for Cellular Biomechanics and Regenerative Medicine, Department of Biomechanical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
| | - Fuxiang Wei
- Laboratory for Cellular Biomechanics and Regenerative Medicine, Department of Biomechanical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
| | - Cunyu Zhang
- Laboratory for Cellular Biomechanics and Regenerative Medicine, Department of Biomechanical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
| | - Haibo Jia
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
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81
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Das M, Musetti S, Huang L. RNA Interference-Based Cancer Drugs: The Roadblocks, and the "Delivery" of the Promise. Nucleic Acid Ther 2018; 29:61-66. [PMID: 30562145 DOI: 10.1089/nat.2018.0762] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Nucleic acid-based therapeutics like synthetic small interfering RNAs have been exploited to modulate gene function, taking advantage of RNA interference (RNAi), an evolutionally conserved biological process. Recently, the world's first RNAi drug was approved for a rare genetic disorder in the liver. However, there are significant challenges that need to be resolved before RNAi can be translated in other genetic diseases like cancer. Current drug delivery platforms for therapeutic silencing RNAs are tailored to hepatic targets. RNAi therapies for nonhepatic conditions are still at early clinical phases. In this study, we discuss the critical design considerations in anticancer RNAi drug development, insights gained from initial clinical trials, and new strategies that are entering clinical development, shaping the future of RNAi in cancer.
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Affiliation(s)
- Manisit Das
- Division of Pharmacoengineering and Molecular Pharmaceutics, Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Sara Musetti
- Division of Pharmacoengineering and Molecular Pharmaceutics, Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Leaf Huang
- Division of Pharmacoengineering and Molecular Pharmaceutics, Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
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82
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Apicella M, Giannoni E, Fiore S, Ferrari KJ, Fernández-Pérez D, Isella C, Granchi C, Minutolo F, Sottile A, Comoglio PM, Medico E, Pietrantonio F, Volante M, Pasini D, Chiarugi P, Giordano S, Corso S. Increased Lactate Secretion by Cancer Cells Sustains Non-cell-autonomous Adaptive Resistance to MET and EGFR Targeted Therapies. Cell Metab 2018; 28:848-865.e6. [PMID: 30174307 DOI: 10.1016/j.cmet.2018.08.006] [Citation(s) in RCA: 176] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 06/06/2018] [Accepted: 08/02/2018] [Indexed: 12/13/2022]
Abstract
The microenvironment influences cancer drug response and sustains resistance to therapies targeting receptor-tyrosine kinases. However, if and how the tumor microenvironment can be altered during treatment, contributing to resistance onset, is not known. We show that, under prolonged treatment with tyrosine kinase inhibitors (TKIs), EGFR- or MET-addicted cancer cells displayed a metabolic shift toward increased glycolysis and lactate production. We identified secreted lactate as the key molecule instructing cancer-associated fibroblasts to produce hepatocyte growth factor (HGF) in a nuclear factor κB-dependent manner. Increased HGF, activating MET-dependent signaling in cancer cells, sustained resistance to TKIs. Functional or pharmacological targeting of molecules involved in the lactate axis abrogated in vivo resistance, demonstrating the crucial role of this metabolite in the adaptive process. This adaptive resistance mechanism was observed in lung cancer patients progressed on EGFR TKIs, demonstrating the clinical relevance of our findings and opening novel scenarios in the challenge to drug resistance.
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Affiliation(s)
- Maria Apicella
- Candiolo Cancer Institute - FPO, IRCCS, Strada Provinciale 142, Torino, Candiolo 10060, Italy
| | - Elisa Giannoni
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence 50134, Italy
| | - Stephany Fiore
- Candiolo Cancer Institute - FPO, IRCCS, Strada Provinciale 142, Torino, Candiolo 10060, Italy; University of Torino, Department of Oncology, 10060, Torino, Candiolo, Italy
| | - Karin Johanna Ferrari
- Department of Experimental Oncology, European Institute of Oncology, 20139 Milan, Italy
| | | | - Claudio Isella
- Candiolo Cancer Institute - FPO, IRCCS, Strada Provinciale 142, Torino, Candiolo 10060, Italy
| | | | | | - Antonino Sottile
- Candiolo Cancer Institute - FPO, IRCCS, Strada Provinciale 142, Torino, Candiolo 10060, Italy
| | - Paolo Maria Comoglio
- Candiolo Cancer Institute - FPO, IRCCS, Strada Provinciale 142, Torino, Candiolo 10060, Italy
| | - Enzo Medico
- Candiolo Cancer Institute - FPO, IRCCS, Strada Provinciale 142, Torino, Candiolo 10060, Italy; University of Torino, Department of Oncology, 10060, Torino, Candiolo, Italy
| | - Filippo Pietrantonio
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale dei Tumori, 20133 Milan, Italy; Department of Oncology and Hemato-oncology, University of Milan, Milan, Italy
| | - Marco Volante
- University of Torino, Department of Oncology, 10060, Torino, Candiolo, Italy; Pathology Unit, San Luigi Hospital, 10043 Orbassano, Italy
| | - Diego Pasini
- Department of Experimental Oncology, European Institute of Oncology, 20139 Milan, Italy; Department of Health Sciences, University of Milan, Milan, Italy
| | - Paola Chiarugi
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence 50134, Italy; Tuscany Tumor Institute and "Center for Research, Transfer and High Education DenoTHE", 50134 Florence, Italy
| | - Silvia Giordano
- Candiolo Cancer Institute - FPO, IRCCS, Strada Provinciale 142, Torino, Candiolo 10060, Italy; University of Torino, Department of Oncology, 10060, Torino, Candiolo, Italy.
| | - Simona Corso
- Candiolo Cancer Institute - FPO, IRCCS, Strada Provinciale 142, Torino, Candiolo 10060, Italy; University of Torino, Department of Oncology, 10060, Torino, Candiolo, Italy.
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83
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Aghaalikhani N, Rashtchizadeh N, Shadpour P, Allameh A, Mahmoodi M. Cancer stem cells as a therapeutic target in bladder cancer. J Cell Physiol 2018; 234:3197-3206. [PMID: 30471107 DOI: 10.1002/jcp.26916] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Accepted: 06/13/2018] [Indexed: 12/13/2022]
Abstract
Bladder cancer is one of the most prevalent genitourinary cancers responsible for about 150,000 deaths per year worldwide. Currently, several treatments, such as endoscopic and open surgery, appended by local or systemic immunotherapy, chemotherapy, and radiotherapy are used to treat this malignancy. However, the differences in treatment outcome among patients suffering from bladder cancer are considered as one of the important challenges. In recent years, cancer stem cells, representing a population of undifferentiated cells with stem-cell like properties, have been eyed as a major culprit for the high recurrence rate in superficial papillary bladder cancer. Cancer stem cells have been reported to be resistant to conventional treatments, such as chemotherapy, radiation, and immunotherapy, which induce selective pressure on tumoral populations resulting in selection and growth of the resistant cells. Therefore, targeting the therapeutic aspects of cancer stem cells in bladder cancer may be promising. In this study, we briefly discuss the biology of bladder cancer and then address the possible relationship between molecular biology of bladder cancer and cancer stem cells. Subsequently, the mechanisms of resistance applied by cancer stem cells against the conventional therapeutic tools, especially chemotherapy, are discussed. Moreover, by emphasizing the biomarkers described for cancer stem cells in bladder cancer, we have provided, described, and proposed targets on cancer stem cells for therapeutic interventions and, finally, reviewed some immunotargeting strategies against bladder cancer stem cells.
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Affiliation(s)
- Nazi Aghaalikhani
- Department of Clinical Biochemistry and Laboratory Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Drug Applied Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nadereh Rashtchizadeh
- Department of Clinical Biochemistry and Laboratory Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Drug Applied Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Pejman Shadpour
- Hasheminejad Kidney Centre (HKC), Hospital Management Research Centre (HMRC), University of Medical Sciences (IUMS), Tehran, Iran
| | - Abdolamir Allameh
- Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Marzieh Mahmoodi
- Faculty of Health and Nutrition, Bushehr University of Medical Sciences, Bushehr, Iran
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84
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Jiang L, Dong R, Ying M, He Q, Cao J, Yang B. Immune cells in the tumour: new routes of retinoids for chemoprevention and chemotherapeutics. Br J Pharmacol 2018; 175:4285-4294. [PMID: 30298911 DOI: 10.1111/bph.14511] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 09/18/2018] [Accepted: 09/24/2018] [Indexed: 01/27/2023] Open
Abstract
Retinoids, vitamin A and its natural and synthetic analogues have various functions, including being involved in cell proliferation and differentiation and participating in the formation of vertebrate morphology. In addition, they may activate certain tumour suppressor genes that then act as tumour inhibitors. In the past decades, retinoids have been regarded as promising chemotherapeutic and chemopreventive agents; however, their mechanisms are still not fully understood. Immune cells that participate in or are associated with the immune response play vital roles in the initiation and development of many cancers. Interestingly, recent studies have demonstrated that retinoids can also exert various effects on immune cells including macrophages, T cells and dendritic cells in tumour tissues to execute anti-tumour actions, providing new insights into chemoprevention and chemotherapeutics. In this review, we focus on the effects of retinoids on immune cells in the tumour, which may provide new approaches for antineoplastic strategies.
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Affiliation(s)
- Li Jiang
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Rong Dong
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Meidan Ying
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Qiaojun He
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Ji Cao
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Bo Yang
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
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85
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Yang X, Liang X, Zheng M, Tang Y. Cellular Phenotype Plasticity in Cancer Dormancy and Metastasis. Front Oncol 2018; 8:505. [PMID: 30456206 PMCID: PMC6230580 DOI: 10.3389/fonc.2018.00505] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 10/16/2018] [Indexed: 02/05/2023] Open
Abstract
Cancer dormancy is a period of cancer progression in which residual tumor cells exist, but clinically remain asymptomatic for a long time, as well as resistant to conventional chemo- and radiotherapies. Cellular phenotype plasticity represents that cellular phenotype could convert between epithelial cells and cells with mesenchymal traits. Recently, this process has been shown to closely associate with tumor cell proliferation, cancer dormancy and metastasis. In this review, we have described different scenarios of how the transition from epithelial to mesenchymal morphology (EMT) and backwards (MET) are connected with the initiation of dormancy and reactivation of proliferation. These processes are fundamental for cancer cells to invade tissues and metastasize. Recognizing the mechanisms underlying the cellular phenotype plasticity as well as dormancy and targeting them is likely to increase the efficiency of traditional tumor treatment inhibiting tumor metastasis.
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Affiliation(s)
- Xiao Yang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases and Department of OralPathology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xinhua Liang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases and Department of OralPathology, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases and Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Min Zheng
- Department of Stomatology, Zhoushan Hospital, Wenzhou Medical University, Zhoushan, China
| | - Yaling Tang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases and Department of OralPathology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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86
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Chemotherapy-Exacerbated Breast Cancer Metastasis: A Paradox Explainable by Dysregulated Adaptive-Response. Int J Mol Sci 2018; 19:ijms19113333. [PMID: 30373101 PMCID: PMC6274941 DOI: 10.3390/ijms19113333] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 10/18/2018] [Accepted: 10/23/2018] [Indexed: 01/04/2023] Open
Abstract
An emerging picture in cancer biology is that, paradoxically, chemotherapy can actively induce changes that favor cancer progression. These pro-cancer changes can be either inside (intrinsic) or outside (extrinsic) the cancer cells. In this review, we will discuss the extrinsic pro-cancer effect of chemotherapy; that is, the effect of chemotherapy on the non-cancer host cells to promote cancer progression. We will focus on metastasis, and will first discuss recent data from mouse models of breast cancer. Despite reducing the size of primary tumors, chemotherapy changes the tumor microenvironment, resulting in an increased escape of cancer cells into the blood stream. Furthermore, chemotherapry changes the tissue microenvironment at the distant sites, making it more hospitable to cancer cells upon their arrival. We will then discuss the idea and evidence that these devastating pro-metastatic effects of chemotherapy can be explained in the context of adaptive-response. At the end, we will discuss the potential relevance of these mouse data to human breast cancer and their implication on chemotherapy in the clinic.
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87
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Heylmann D, Badura J, Becker H, Fahrer J, Kaina B. Sensitivity of CD3/CD28-stimulated versus non-stimulated lymphocytes to ionizing radiation and genotoxic anticancer drugs: key role of ATM in the differential radiation response. Cell Death Dis 2018; 9:1053. [PMID: 30323167 PMCID: PMC6189042 DOI: 10.1038/s41419-018-1095-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 09/13/2018] [Accepted: 09/21/2018] [Indexed: 12/26/2022]
Abstract
Activation of T cells, a major fraction of peripheral blood lymphocytes (PBLCS), is essential for the immune response. Genotoxic stress resulting from ionizing radiation (IR) and chemical agents, including anticancer drugs, has serious impact on T cells and, therefore, on the immune status. Here we compared the sensitivity of non-stimulated (non-proliferating) vs. CD3/CD28-stimulated (proliferating) PBLC to IR. PBLCs were highly sensitive to IR and, surprisingly, stimulation to proliferation resulted in resistance to IR. Radioprotection following CD3/CD28 activation was observed in different T-cell subsets, whereas stimulated CD34+ progenitor cells did not become resistant to IR. Following stimulation, PBLCs showed no significant differences in the repair of IR-induced DNA damage compared with unstimulated cells. Interestingly, ATM is expressed at high level in resting PBLCs and CD3/CD28 stimulation leads to transcriptional downregulation and reduced ATM phosphorylation following IR, indicating ATM to be key regulator of the high radiosensitivity of resting PBLCs. In line with this, pharmacological inhibition of ATM caused radioresistance of unstimulated, but not stimulated, PBLCs. Radioprotection was also achieved by inhibition of MRE11 and CHK1/CHK2, supporting the notion that downregulation of the MRN-ATM-CHK pathway following CD3/CD28 activation results in radioprotection of proliferating PBLCs. Interestingly, the crosslinking anticancer drug mafosfamide induced, like IR, more death in unstimulated than in stimulated PBLCs. In contrast, the bacterial toxin CDT, damaging DNA through inherent DNase activity, and the DNA methylating anticancer drug temozolomide induced more death in CD3/CD28-stimulated than in unstimulated PBLCs. Thus, the sensitivity of stimulated vs. non-stimulated lymphocytes to genotoxins strongly depends on the kind of DNA damage induced. This is the first study in which the killing response of non-proliferating vs. proliferating T cells was comparatively determined. The data provide insights on how immunotherapeutic strategies resting on T-cell activation can be impacted by differential cytotoxic effects resulting from radiation and chemotherapy.
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Affiliation(s)
- Daniel Heylmann
- Institute of Toxicology, University Medical Center, Obere Zahlbacher Strasse 67, 55131, Mainz, Germany.,Rudolf Buchheim Institute of Pharmacology, Justus Liebig University Giessen, Schubertstraße 81, 35392, Giessen, Germany
| | - Jennifer Badura
- Institute of Toxicology, University Medical Center, Obere Zahlbacher Strasse 67, 55131, Mainz, Germany
| | - Huong Becker
- Institute of Toxicology, University Medical Center, Obere Zahlbacher Strasse 67, 55131, Mainz, Germany
| | - Jörg Fahrer
- Institute of Toxicology, University Medical Center, Obere Zahlbacher Strasse 67, 55131, Mainz, Germany.,Rudolf Buchheim Institute of Pharmacology, Justus Liebig University Giessen, Schubertstraße 81, 35392, Giessen, Germany
| | - Bernd Kaina
- Institute of Toxicology, University Medical Center, Obere Zahlbacher Strasse 67, 55131, Mainz, Germany.
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88
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Fogelman D, Cubillo A, García-Alfonso P, Mirón MLL, Nemunaitis J, Flora D, Borg C, Mineur L, Vieitez JM, Cohn A, Saylors G, Assad A, Switzky J, Zhou L, Bendell J. Randomized, double-blind, phase two study of ruxolitinib plus regorafenib in patients with relapsed/refractory metastatic colorectal cancer. Cancer Med 2018; 7:5382-5393. [PMID: 30123970 PMCID: PMC6246927 DOI: 10.1002/cam4.1703] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 07/02/2018] [Accepted: 07/03/2018] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The Janus kinase/signal transducer and activator of transcription (JAK-STAT) signaling pathway plays a key role in the systemic inflammatory response in many cancers, including colorectal cancer (CRC). This study evaluated the addition of ruxolitinib, a potent JAK1/2 inhibitor, to regorafenib in patients with relapsed/refractory metastatic CRC. METHODS In this two-part, multicenter, phase 2 study, eligible adult patients had metastatic adenocarcinoma of the colon or rectum; an Eastern Cooperative Oncology Group performance status of 0-2; received fluoropyrimidine, oxaliplatin, and irinotecan-based chemotherapy, an anti-vascular endothelial growth factor therapy (if no contraindication); and if KRAS wild-type (and no contraindication), an anti-epidermal growth factor receptor therapy; and progressed following the last administration of approved therapy. Patients who received previous treatment with regorafenib, had an established cardiac or gastrointestinal disease, or had an active infection requiring treatment were excluded. The study was conducted in 95 sites in North America, European Union, Asia Pacific, and Israel. After an open-label, safety run-in phase (part 1; ruxolitinib 20 mg twice daily [BID] plus regorafenib 160 mg once daily [QD]), the double-blind, randomized phase (part 2) was conducted wherein patients were randomized 1:1 to receive ruxolitinib 15 mg BID plus regorafenib 160 mg QD [ruxolitinib group] or placebo plus regorafenib 160 mg QD [placebo group]. Part 2 included substudy 1 (patients with high systemic inflammation, ie, C-reactive protein [CRP] >10 mg/L) and substudy 2 (patients with low systemic inflammation, ie, CRP ≤10 mg/L); the primary endpoint was overall survival (OS). RESULTS The study was terminated early; substudy 1 was terminated for futility at interim analysis and substudy 2 was terminated per sponsor decision. Ruxolitinib 20 mg BID was well tolerated in the safety run-in (n = 11). Overall, 396 patients were randomized (substudy 1: n = 175 [ruxolitinib group, n = 87; placebo group, n = 88]; substudy 2: n = 221 [ruxolitinib group, n = 110; placebo group, n = 111]). There was no significant difference in OS or progression-free survival (PFS) between treatments in substudy 1 (OS: hazard ratio [HR] = 1.040 [95% confidence interval: 0.725-1.492]; PFS: HR = 1.004 [0.724-1.391]) and substudy 2 (OS: HR = 0.767 [0.478-1.231]; PFS: HR = 0.787 [0.576-1.074]). The most common hematologic adverse event was anemia. No new safety signals with ruxolitinib were identified. CONCLUSIONS Although addition of ruxolitinib to regorafenib did not show increased safety concerns in patients with relapsed/refractory metastatic CRC, this combination did not improve OS/PFS vs. regorafenib plus placebo.
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Affiliation(s)
- David Fogelman
- The University of Texas MD Anderson Cancer Center, Houston, Texas
| | | | | | | | - John Nemunaitis
- University of Toledo College of Medicine and Life Sciences, Toledo, Ohio
| | | | | | | | - Jose M Vieitez
- Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Allen Cohn
- Rocky Mountain Cancer Centers, Denver, Colorado
| | - Gene Saylors
- Charleston Hematology Oncology Associates, Charleston, South Carolina
| | | | | | - Li Zhou
- Incyte Corporation, Wilmington, Delaware
| | - Johanna Bendell
- Sarah Cannon Research Institute/Tennessee Oncology, Nashville, Tennessee
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89
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O'Beirn M, Benghiat H, Meade S, Heyes G, Sawlani V, Kong A, Hartley A, Sanghera P. The Expanding Role of Radiosurgery for Brain Metastases. MEDICINES (BASEL, SWITZERLAND) 2018; 5:medicines5030090. [PMID: 30110927 PMCID: PMC6165316 DOI: 10.3390/medicines5030090] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 08/03/2018] [Accepted: 08/07/2018] [Indexed: 06/08/2023]
Abstract
Stereotactic radiosurgery (SRS) has become increasingly important in the management of brain metastases due to improving systemic disease control and rising incidence. Initial trials demonstrated SRS with whole-brain radiotherapy (WBRT) improved local control rates compared with WBRT alone. Concerns with WBRT associated neurocognitive toxicity have contributed to a greater use of SRS alone, including for patients with multiple metastases and following surgical resection. Molecular information, targeted agents, and immunotherapy have also altered the landscape for the management of brain metastases. This review summarises current and emerging data on the role of SRS in the management of brain metastases.
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Affiliation(s)
- Mark O'Beirn
- Hall-Edwards Radiotherapy Research Group, Queen Elizabeth Hospital Birmingham, Edgbaston, Birmingham B15 2TH, UK.
| | - Helen Benghiat
- Hall-Edwards Radiotherapy Research Group, Queen Elizabeth Hospital Birmingham, Edgbaston, Birmingham B15 2TH, UK.
| | - Sara Meade
- Hall-Edwards Radiotherapy Research Group, Queen Elizabeth Hospital Birmingham, Edgbaston, Birmingham B15 2TH, UK.
| | - Geoff Heyes
- Hall-Edwards Radiotherapy Research Group, Queen Elizabeth Hospital Birmingham, Edgbaston, Birmingham B15 2TH, UK.
| | - Vijay Sawlani
- Neuroradiology, Queen Elizabeth Hospital Birmingham, Edgbaston, Birmingham B15 2TH, UK.
| | - Anthony Kong
- Hall-Edwards Radiotherapy Research Group, Queen Elizabeth Hospital Birmingham, Edgbaston, Birmingham B15 2TH, UK.
| | - Andrew Hartley
- Hall-Edwards Radiotherapy Research Group, Queen Elizabeth Hospital Birmingham, Edgbaston, Birmingham B15 2TH, UK.
| | - Paul Sanghera
- Hall-Edwards Radiotherapy Research Group, Queen Elizabeth Hospital Birmingham, Edgbaston, Birmingham B15 2TH, UK.
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90
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Baurain JF, Robert C, Mortier L, Neyns B, Grange F, Lebbe C, Ulloa-Montoya F, De Sousa Alves PM, Gillet M, Louahed J, Jarnjak S, Lehmann FF. Association of homogeneous inflamed gene signature with a better outcome in patients with metastatic melanoma treated with MAGE-A3 immunotherapeutic. ESMO Open 2018; 3:e000384. [PMID: 30094070 PMCID: PMC6069918 DOI: 10.1136/esmoopen-2018-000384] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 06/01/2018] [Accepted: 06/04/2018] [Indexed: 01/20/2023] Open
Abstract
PURPOSE This study assessed clinical activity, safety and immunogenicity of MAGE-A3 immunotherapeutic in patients with MAGE-A3-positive metastatic melanoma. PATIENTS AND METHODS In this open-label, multicentre, uncontrolled, Phase II study (ClinicalTrials.gov NCT00896480), patients received ≤24 doses of MAGE-A3 immunotherapeutic (4-cycle schedule). At screening, two skin lesions were biopsied for MAGE-A3 expression analysis and presence/absence of a previously identified gene signature (GS) associated with favourable clinical outcome. Clinical activity was assessed in terms of clinical response, time-to-treatment failure (TTF) and progression-free survival (PFS). Adverse events (AEs) and serious AEs (SAEs) were recorded. MAGE-A3-specific immune responses were assessed. Clinical activity and immunogenicity were analysed overall and separately in patients with 2/2 (GS+/+), 1/2 (GS+/-) or 0/2 (GS-/-) biopsies presenting GS. RESULTS Of 49 screened patients, 32 had MAGE-A3-positive tumours; 24 (8 GS+/+, 8 GS+/-, 8 GS-/-) were treated. Two complete (GS+/+ patients) and two partial responses (one GS+/+, one GS+/-) were reported; of note, one of the two complete responses was unlikely to be related to the study treatment. Median TTF and PFS were 14.8 and 7.2 months for GS+/+, 2.3 and 2.8 months for GS+/- and 2.4 and 2.9 months for GS-/- patients. Three grade 3 AEs and two SAEs unrelated to treatment were reported. All patients were seropositive for MAGE-A3 antibodies on vaccination with no differences between the different GS profiles. MAGE-A3-specific CD4+ and CD8+ T cell immunogenicity was detected; 12/16 (75.0%) of patients presented CD4+ T cell responses. CONCLUSION Treatment with MAGE-A3 immunotherapeutic showed signs of clinical activity in GS+/+ patients. Treatment was well tolerated and immunogenic. No differences in immune responses according to GS status were observed. TRIAL REGISTRATION NUMBER NCT00896480 (Results).
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Affiliation(s)
- Jean-François Baurain
- Department of Medical Oncology, Institut Roi Albert II, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Bruxelles, Belgium.
| | - Caroline Robert
- Gustave Roussy, Département de Médecine oncologique, Service de Dermatologie et Université Paris-Sud, Faculté de Médecine, Villejuif, France
| | | | - Bart Neyns
- Department of Medical Oncology, Universitair Ziekenhuis Brussel, Jette, Belgium
| | - Florent Grange
- Dermatology Department, Hôpital Robert Debré, Université de Reims Champagne-Ardenne, Reims, France
| | - Céleste Lebbe
- APHP Department of Dermatology and CIC , INSERM U976, University Paris 7 Diderot, Saint-Louis Hospital, Paris, France
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91
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Socovich AM, Naba A. The cancer matrisome: From comprehensive characterization to biomarker discovery. Semin Cell Dev Biol 2018; 89:157-166. [PMID: 29964200 DOI: 10.1016/j.semcdb.2018.06.005] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 06/18/2018] [Accepted: 06/27/2018] [Indexed: 02/07/2023]
Abstract
Tumor progression and dissemination critically depend on support from the tumor microenvironment, the ensemble of cellular and acellular components surrounding and interacting with tumor cells. The extracellular matrix (ECM), the complex scaffolding of hundreds of proteins organizing cells in tissues, is a major component of the tumor microenvironment. It orchestrates cellular processes including proliferation, migration, and invasion, that are highly dysregulated during cancer progression. Alterations in ECM abundance, integrity, and mechanical properties have been correlated with poorer prognosis for cancer patients. Yet the ECM proteome, or "matrisome," of tumors remained until recently largely unexplored. This review will present the recent developments in computational and proteomic technologies that have allowed the comprehensive characterization of the ECM of different tumor types and microenvironmental niches. These approaches have resulted in the definition of protein signatures distinguishing tumors from normal tissues, tumors of different stages, primary from secondary tumors, and tumors from other diseased states such as fibrosis. Moreover, recent studies have demonstrated that the levels of expression of certain genes encoding ECM and ECM-associated proteins is prognostic of cancer patient survival and can thus serve as biomarkers. Last, proteomic studies have permitted the identification of novel ECM proteins playing functional roles in cancer progression. Such proteins have the potential to be exploited as therapeutic targets.
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Affiliation(s)
- Alexandra M Socovich
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, IL, USA
| | - Alexandra Naba
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, IL, USA; University of Illinois Cancer Center, Chicago, IL, USA.
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92
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Natural Compounds as Epigenetic Regulators of Human Dendritic Cell-mediated Immune Function. J Immunother 2018; 41:169-180. [DOI: 10.1097/cji.0000000000000201] [Citation(s) in RCA: 5] [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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93
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Gulubova M, Aleksandrova E, Vlaykova T. Promoter polymorphisms in TGFB1
and IL10
genes influence tumor dendritic cells infiltration, development and prognosis of colorectal cancer. J Gene Med 2018; 20:e3005. [DOI: 10.1002/jgm.3005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 12/08/2017] [Accepted: 12/27/2017] [Indexed: 12/14/2022] Open
Affiliation(s)
- Maya Gulubova
- Department of General and Clinical Pathology, Forensic Medicine and Deontology, Medical Faculty; Trakia University; Stara Zagora Bulgaria
| | - Elina Aleksandrova
- Department of General and Clinical Pathology, Forensic Medicine and Deontology, Medical Faculty; Trakia University; Stara Zagora Bulgaria
- Department of Medical Chemistry and Biochemistry, Medical Faculty; Trakia University; Stara Zagora Bulgaria
| | - Tatyana Vlaykova
- Department of Medical Chemistry and Biochemistry, Medical Faculty; Trakia University; Stara Zagora Bulgaria
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94
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Abstract
Although nonoperative and operative treatments for lymphedema (LE) are well established, these procedures typically provide only partial relief from limb swelling, functional impairment, and the risk of cellulitis. The lack of a cure for LE, however, is due to an incomplete understanding of the underlying pathophysiological mechanisms, and current research efforts are focusing on elucidating these processes to provide new, targeted therapies for this prevalent disease for which there is no cure. This article reviews the current literature regarding the pathophysiological mechanisms that underlie LE, as well as new and emerging therapies for the condition.
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Affiliation(s)
- Mark V. Schaverien
- Department of Plastic Surgery, University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Melissa B. Aldrich
- Center for Molecular Imaging, Brown Institute for Molecular Medicine, UT Health, Houston, Texas
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95
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Zhao P, Wang Y, Kang X, Wu A, Yin W, Tang Y, Wang J, Zhang M, Duan Y, Huang Y. Dual-targeting biomimetic delivery for anti-glioma activity via remodeling the tumor microenvironment and directing macrophage-mediated immunotherapy. Chem Sci 2018; 9:2674-2689. [PMID: 29732051 PMCID: PMC5914428 DOI: 10.1039/c7sc04853j] [Citation(s) in RCA: 181] [Impact Index Per Article: 30.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Accepted: 01/29/2018] [Indexed: 12/18/2022] Open
Abstract
A dual-targeting biomimetic codelivery and treatment strategy was developed for anti-glioma activity.
Tumor-associated macrophages (TAMs) are the major components in the tumor microenvironment (TME). The polarization from the protumor M2 (TAM2) to antitumor M1 (TAM1) phenotype can not only lift the immunosuppressive constraints and elicit cytotoxic T-cell immunity but also augment the chemotherapy efficacy. However, the treatment feasibility by TAM modulation in brain tumors and the mechanisms remained unknown. A dual-targeting biomimetic codelivery and treatment strategy was developed for anti-glioma activity. We demonstrated that the albumin nanoparticles modified with dual ligands, a transferrin receptor (TfR)-binding peptide T12 and mannose, efficiently passed through the BBB via the nutrient transporters (i.e., TfR and the albumin-binding receptor SPARC) that were both overexpressed in the BBB and glioma cells, thus achieving biomimetic delivery to glioma. Importantly, after penetrating the BBB, this system can take advantage of the overexpression of the SPARC and mannose receptors on TAM2, thus also targeting the protumor TAM2. With the codelivery disulfiram/copper complex and regorafenib, the system efficiently inhibited the glioma cell proliferation and successfully “re-educated” the protumor TAM2 towards antitumor TAM1. The treatment efficacy was examined in the glioma-bearing nude mice and immunocompetent mice. It showed this system yielded an enhanced treatment outcome, owing to the synergistic combination of chemotherapy and macrophage-directed immunotherapy. The importance of this delivery and therapeutic strategy was to remodel the immune microenvironment and reprogram TAM and trigger macrophage-directed anti-glioma immunotherapy via the interplay of the TAM, Treg, and CD8+ T cells and the effector cytokines. The albumin-based biomimetic brain delivery also provides a promising method for the pharmacotherapy of brain diseases.
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Affiliation(s)
- Pengfei Zhao
- Shanghai Institute of Materia Medica , Chinese Academy of Sciences , 501 Haike Rd , Shanghai 201203 , China . ; ; Tel: +86-21-2023-1981.,Zhejiang Academy of Medical Science , 182 Tianmushan Rd , Hangzhou 310013 , China.,Nanchang University College of Pharmacy , 461 Bayi Rd , Nanchang 330006 , China
| | - Yonghui Wang
- Shanghai Institute of Materia Medica , Chinese Academy of Sciences , 501 Haike Rd , Shanghai 201203 , China . ; ; Tel: +86-21-2023-1981
| | - Xuejia Kang
- Shanghai Institute of Materia Medica , Chinese Academy of Sciences , 501 Haike Rd , Shanghai 201203 , China . ; ; Tel: +86-21-2023-1981.,Guangzhou University of Chinese Medicine Tropical Medicine Institute , 12 Jichang Rd , Guangzhou 501450 , China
| | - Aihua Wu
- Shanghai Institute of Materia Medica , Chinese Academy of Sciences , 501 Haike Rd , Shanghai 201203 , China . ; ; Tel: +86-21-2023-1981.,Guangzhou University of Chinese Medicine Tropical Medicine Institute , 12 Jichang Rd , Guangzhou 501450 , China
| | - Weimin Yin
- Shanghai Institute of Materia Medica , Chinese Academy of Sciences , 501 Haike Rd , Shanghai 201203 , China . ; ; Tel: +86-21-2023-1981.,Nanchang University College of Pharmacy , 461 Bayi Rd , Nanchang 330006 , China
| | - Yisi Tang
- Shanghai Institute of Materia Medica , Chinese Academy of Sciences , 501 Haike Rd , Shanghai 201203 , China . ; ; Tel: +86-21-2023-1981.,Guangzhou University of Chinese Medicine Tropical Medicine Institute , 12 Jichang Rd , Guangzhou 501450 , China
| | - Jinyu Wang
- Shanghai Institute of Materia Medica , Chinese Academy of Sciences , 501 Haike Rd , Shanghai 201203 , China . ; ; Tel: +86-21-2023-1981
| | - Meng Zhang
- Shanghai Institute of Materia Medica , Chinese Academy of Sciences , 501 Haike Rd , Shanghai 201203 , China . ; ; Tel: +86-21-2023-1981
| | - Yifei Duan
- Nanchang University College of Pharmacy , 461 Bayi Rd , Nanchang 330006 , China
| | - Yongzhuo Huang
- Shanghai Institute of Materia Medica , Chinese Academy of Sciences , 501 Haike Rd , Shanghai 201203 , China . ; ; Tel: +86-21-2023-1981
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96
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Abstract
Lymphedema affects up to 1 in 6 patients who undergo treatment for a solid tumor in the United States. Its prevalence has increased as more effective oncologic therapies have improved patient survival, but there remains no definitive cure. Recent research has elucidated new details in the pathogenesis of the disease and has demonstrated that it is fundamentally an immunologic process that ultimately results in inflammation, fibroadipose deposition, impaired lymphangiogenesis, and dysfunctional lymphatic pumping. These findings have allowed for the development of novel medical and surgical therapies that may potentially alter the standard of care for a disease that has largely been treated by compression. This review seeks to provide an overview of the emerging therapies and how they can be utilized for effective management of lymphedema.
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Affiliation(s)
- Joseph H Dayan
- Plastic and Reconstructive Surgery Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY 10065; , , ,
- Plastic and Reconstructive Surgery Service, Department of Surgery, Weill Cornell Medical College, New York, NY 10065
| | - Catherine L Ly
- Plastic and Reconstructive Surgery Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY 10065; , , ,
| | - Raghu P Kataru
- Plastic and Reconstructive Surgery Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY 10065; , , ,
| | - Babak J Mehrara
- Plastic and Reconstructive Surgery Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY 10065; , , ,
- Plastic and Reconstructive Surgery Service, Department of Surgery, Weill Cornell Medical College, New York, NY 10065
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97
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Rippaus N, Taggart D, Williams J, Andreou T, Wurdak H, Wronski K, Lorger M. Metastatic site-specific polarization of macrophages in intracranial breast cancer metastases. Oncotarget 2018; 7:41473-41487. [PMID: 27203741 PMCID: PMC5173073 DOI: 10.18632/oncotarget.9445] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 04/10/2016] [Indexed: 11/25/2022] Open
Abstract
In contrast to primary tumors, the understanding of macrophages within metastases is very limited. In order to compare macrophage phenotypes between different metastatic sites, we established a pre-clinical mouse model of intracranial breast cancer metastasis in which cancer lesions develop simultaneously within the brain parenchyma and the dura. This mimics a situation that is commonly occurring in the clinic. Flow cytometry analysis revealed significant differences in the activation state of metastasis-associated macrophages (MAMs) at the two locations. Concurrently, gene expression analysis identified significant differences in molecular profiles of cancer cells that have metastasized to the brain parenchyma as compared to the dura. This included differences in inflammation-related pathways, NF-kB1 activity and cytokine profiles. The most significantly upregulated cytokine in brain parenchyma- versus dura-derived cancer cells was Lymphotoxin β and a gain-of-function approach demonstrated a direct involvement of this factor in the M2 polarization of parenchymal MAMs. This established a link between metastatic site-specific properties of cancer cells and the MAM activation state.
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Affiliation(s)
- Nora Rippaus
- Institute of Cancer and Pathology, University of Leeds, St. James's University Hospital, LS9 7TF Leeds, UK
| | - David Taggart
- Institute of Cancer and Pathology, University of Leeds, St. James's University Hospital, LS9 7TF Leeds, UK
| | - Jennifer Williams
- Institute of Cancer and Pathology, University of Leeds, St. James's University Hospital, LS9 7TF Leeds, UK
| | - Tereza Andreou
- Institute of Cancer and Pathology, University of Leeds, St. James's University Hospital, LS9 7TF Leeds, UK
| | - Heiko Wurdak
- Institute of Cancer and Pathology, University of Leeds, St. James's University Hospital, LS9 7TF Leeds, UK
| | | | - Mihaela Lorger
- Institute of Cancer and Pathology, University of Leeds, St. James's University Hospital, LS9 7TF Leeds, UK
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98
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Pancreatic adenocarcinoma up-regulated factor (PAUF) enhances the accumulation and functional activity of myeloid-derived suppressor cells (MDSCs) in pancreatic cancer. Oncotarget 2018; 7:51840-51853. [PMID: 27322081 PMCID: PMC5239518 DOI: 10.18632/oncotarget.10123] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Accepted: 05/28/2016] [Indexed: 12/30/2022] Open
Abstract
Pancreatic cancer is characterized by an immunosuppressive tumor microenvironment (TME) with a profound immune infiltrate populated by a significant number of myeloid-derived suppressor cells (MDSCs). MDSCs have been increasingly recognized for their role in immune evasion and cancer progression as well as their potential as a target for immunotherapy. However, not much is known about the mechanisms regulating their behavior and function in the pancreatic TME. Here we report that pancreatic adenocarcinoma up-regulated factor (PAUF), a soluble protein involved in pancreatic tumorigenesis and metastasis, plays a role as an enhancer of tumor-infiltrating MDSC and its functional activity. We show that PAUF enhanced the accumulation of MDSCs in the spleen and tumor tissues of PAUF-overexpressing tumor cell-injected mice. In addition, PAUF was found to enhance the immunosuppressive function of MDSCs via the TLR4-mediated signaling pathway, which was demonstrated by PAUF-induced increased levels of arginase, nitric oxide (NO), and reactive oxygen species (ROS). The role of PAUF in modulating the functional properties of MDSCs was further demonstrated by the use of a PAUF-neutralizing antibody that caused a decreased number of tumor-infiltrating MDSCs and reduced MDSC immunosuppressive activity. The observations made in mice were confirmed in human pancreatic cancer patient-derived MDSCs, supporting the clinical relevance of our findings. Collectively, we conclude that the PAUF is a powerful and multifunctional promoter of tumor growth through increase and functional activation of MDSCs, suggesting therapeutic potential for targeting PAUF in pancreatic cancers.
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99
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Study of the tumor microenvironment during breast cancer progression. Cancer Cell Int 2017; 17:123. [PMID: 29299026 PMCID: PMC5741925 DOI: 10.1186/s12935-017-0492-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 12/02/2017] [Indexed: 12/12/2022] Open
Abstract
Background Different cells and mediators in the tumor microenvironment play important roles in the progression of breast cancer. The aim of this study was to determine the composition of the microenvironment during tumor progression in order to discover new related biomarkers and potentials for targeted therapy. Methods In this study, breast cancer biopsies from four different stages, and control breast biopsies were collected. Then, the mRNA expression of several markers related to different CD4+ T cell subsets including regulatory T cells (Treg), T helper (Th) type 1, 2 and 17 were determined. In addition, we investigated the expression of two inflammatory cytokines (TNF-α and IL-6) and inflammatory mediators including FASL, IDO, SOCS1, VEGF, and CCR7. Results The results showed that the expression of Th1 and Th17 genes was decreased in tumor tissues compared to control tissues. In addition, we found that the gene expression related to these two cell subsets decreased during cancer progression. Moreover, the expression level of TNF-α increased with tumor progression. Conclusion We conclude that the expression of genes related to immune response and inflammation is different between tumor tissues and control tissues. In addition, this difference was perpetuated through the different stages of cancer.
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Lolo FN, Rius C, Casas-Tintó S. Elimination of classically-activated macrophages in tumor-conditioned medium by alternatively-activated macrophages. Biol Open 2017; 6:1897-1903. [PMID: 29162623 PMCID: PMC5769648 DOI: 10.1242/bio.027300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Cellular interactions are critical during development, tissue fitness and epithelial tumor development. The expression levels of specific genes confer to tumoral cells a survival advantage versus the normal neighboring cells. As a consequence, cells surrounding tumors are eliminated and engulfed by macrophages. We propose a novel scenario in which circulating cells facing a tumor can reproduce these cellular interactions. In vitro cultured macrophages from murine bone marrow were used to investigate this hypothesis. M1 macrophages in tumoral medium upregulated markers of a suboptimal condition, such as Sparc and TyrRS, and undergo apoptosis. However, M2 macrophages display higher Myc expression levels and proliferate at the expense of M1. Resulting M1 apoptotic debris is engulfed by M2 in a Sparc- and TyrRS-dependent manner. These findings suggest that tumor-dependent macrophage elimination could deplete immune response against tumors. This possibility could be relevant for macrophage based anti-tumoral strategies.
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Affiliation(s)
- Fidel-Nicolás Lolo
- Molecular Oncology Programme, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro, 3, Madrid 28034, Spain .,Cell and Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Melchor Fernández Almagro, 3, Madrid 28029, Spain
| | - Cristina Rius
- Laboratory of Molecular and Genetic Cardiovascular Pathophysiology, Centro Nacional de Investigaciones Cardiovasculares (CNIC) and CIBER de Enfermedades Cardiovasculares, Melchor Fernández Almagro, 3, 28029 Madrid, Spain.,Department of Pharmacy and Biotechnology, School of Biomedical and Health Sciences, Universidad Europea de Madrid, C/ Tajo s/n, Villaviciosa de Odón, Madrid 28670, Spain
| | - Sergio Casas-Tintó
- Molecular, Cellular and Developmental Neurobiology Department, Cajal Institute (CSIC), Avda. Doctor Arce, 37, Madrid 28002, Spain
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