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Wang B, Hu S, Teng Y, Chen J, Wang H, Xu Y, Wang K, Xu J, Cheng Y, Gao X. Current advance of nanotechnology in diagnosis and treatment for malignant tumors. Signal Transduct Target Ther 2024; 9:200. [PMID: 39128942 DOI: 10.1038/s41392-024-01889-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 05/04/2024] [Accepted: 06/02/2024] [Indexed: 08/13/2024] Open
Abstract
Cancer remains a significant risk to human health. Nanomedicine is a new multidisciplinary field that is garnering a lot of interest and investigation. Nanomedicine shows great potential for cancer diagnosis and treatment. Specifically engineered nanoparticles can be employed as contrast agents in cancer diagnostics to enable high sensitivity and high-resolution tumor detection by imaging examinations. Novel approaches for tumor labeling and detection are also made possible by the use of nanoprobes and nanobiosensors. The achievement of targeted medication delivery in cancer therapy can be accomplished through the rational design and manufacture of nanodrug carriers. Nanoparticles have the capability to effectively transport medications or gene fragments to tumor tissues via passive or active targeting processes, thus enhancing treatment outcomes while minimizing harm to healthy tissues. Simultaneously, nanoparticles can be employed in the context of radiation sensitization and photothermal therapy to enhance the therapeutic efficacy of malignant tumors. This review presents a literature overview and summary of how nanotechnology is used in the diagnosis and treatment of malignant tumors. According to oncological diseases originating from different systems of the body and combining the pathophysiological features of cancers at different sites, we review the most recent developments in nanotechnology applications. Finally, we briefly discuss the prospects and challenges of nanotechnology in cancer.
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Affiliation(s)
- Bilan Wang
- Department of Pharmacy, Evidence-based Pharmacy Center, Children's Medicine Key Laboratory of Sichuan Province, West China Second University Hospital, Sichuan University, Chengdu, 610041, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, 610041, P.R. China
| | - Shiqi Hu
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, 610041, P.R. China
- Department of Gynecology and Obstetrics, Development and Related Diseases of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, 610041, P.R. China
| | - Yan Teng
- Institute of Laboratory Medicine, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, P.R. China
| | - Junli Chen
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Haoyuan Wang
- Department of Neurosurgery and Institute of Neurosurgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Yezhen Xu
- Department of Neurosurgery and Institute of Neurosurgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Kaiyu Wang
- Department of Neurosurgery and Institute of Neurosurgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Jianguo Xu
- Department of Neurosurgery and Institute of Neurosurgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Yongzhong Cheng
- Department of Neurosurgery and Institute of Neurosurgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China.
| | - Xiang Gao
- Department of Neurosurgery and Institute of Neurosurgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China.
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Aghajani M, Jalilzadeh N, Aghebati-Maleki A, Yari A, Tabnak P, Mardi A, Saeedi H, Aghebati-Maleki L, Baradaran B. Current approaches in glioblastoma multiforme immunotherapy. Clin Transl Oncol 2024; 26:1584-1612. [PMID: 38512448 DOI: 10.1007/s12094-024-03395-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 01/08/2024] [Indexed: 03/23/2024]
Abstract
Glioblastoma multiform (GBM) is the most prevalent CNS (central nervous system) tumor in adults, with an average survival length shorter than 2 years and rare metastasis to organs other than CNS. Despite extensive attempts at surgical resecting, the inherently permeable nature of this disease has rendered relapse nearly unavoidable. Thus, immunotherapy is a feasible alternative, as stimulated immune cells can enter into the remote and inaccessible tumor cells. Immunotherapy has revolutionized patient upshots in various malignancies and might introduce different effective ways for GBM patients. Currently, researchers are exploring various immunotherapeutic strategies in patients with GBM to target both the innate and acquired immune responses. These approaches include reprogrammed tumor-associated macrophages, the use of specific antibodies to inhibit tumor progression and metastasis, modifying tumor-associated macrophages with antibodies, vaccines that utilize tumor-specific dendritic cells to activate anti-tumor T cells, immune checkpoint inhibitors, and enhanced T cells that function against tumor cells. Despite these findings, there is still room for improving the response faults of the many currently tested immunotherapies. This study aims to review the currently used immunotherapy approaches with their molecular mechanisms and clinical application in GBM.
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Affiliation(s)
- Marjan Aghajani
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nazila Jalilzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Aghebati-Maleki
- Molecular Medicine Department, Faculty of Modern Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amirhossein Yari
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Biology, Islamic Azad University, Tabriz Branch, Tabriz, Iran
| | - Peyman Tabnak
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amirhossein Mardi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hossein Saeedi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Leili Aghebati-Maleki
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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Hsia T, Chen Y. RNA-encapsulating lipid nanoparticles in cancer immunotherapy: From pre-clinical studies to clinical trials. Eur J Pharm Biopharm 2024; 197:114234. [PMID: 38401743 DOI: 10.1016/j.ejpb.2024.114234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 01/29/2024] [Accepted: 02/14/2024] [Indexed: 02/26/2024]
Abstract
Nanoparticle-based delivery systems such as RNA-encapsulating lipid nanoparticles (RNA LNPs) have dramatically advanced in function and capacity over the last few decades. RNA LNPs boast of a diverse array of external and core configurations that enhance targeted delivery and prolong circulatory retention, advancing therapeutic outcomes. Particularly within the realm of cancer immunotherapies, RNA LNPs are increasingly gaining prominence. Pre-clinical in vitro and in vivo studies have laid a robust foundation for new and ongoing clinical trials that are actively enrolling patients for RNA LNP cancer immunotherapy. This review explores RNA LNPs, starting from their core composition to their external membrane formulation, set against a backdrop of recent clinical breakthroughs. We further elucidate the LNP delivery avenues, broach the prevailing challenges, and contemplate the future perspectives of RNA LNP-mediated immunotherapy.
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Affiliation(s)
- Tiffaney Hsia
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Yunching Chen
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan; Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan.
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Zhang MX, Verhoeven F, Ravensbergen P, Kooij S, Geoffrion R, Bonn D, van Rijn CJM. Improved Olfactory Deposition of Theophylline Using a Nanotech Soft Mist Nozzle Chip. Pharmaceutics 2023; 16:2. [PMID: 38276480 PMCID: PMC10821129 DOI: 10.3390/pharmaceutics16010002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/13/2023] [Accepted: 12/14/2023] [Indexed: 01/27/2024] Open
Abstract
Currently, nasal administration of active pharmaceutical ingredients is most commonly performed using swirl-nozzle-based pump devices or pressurized syringes. However, they lead to limited deposition in the more active regions of the nasal cavity, especially the olfactory region, which is crucial for nose-to-brain drug delivery. This research proposes to improve deposition in the olfactory region by replacing the swirl nozzle with a nanoengineered nozzle chip containing micrometer-sized holes, which generates smaller droplets of 10-50 μm travelling at a lower plume velocity. Two nanotech nozzle chips with different hole sizes were tested at different inhalation flow rates to examine the deposition patterns of theophylline, a hyposmia treatment formulation, using a nasal cavity model. A user study was also conducted and showed that the patient instructions influenced the inhalation flow rate characteristics. Targeted flow rates of between 0 and 25 L/min were used for the in vitro deposition study, yielding 21.5-31.5% olfactory coverage. In contrast, the traditional swirl nozzle provided only 10.8% coverage at a similar flow rate. This work highlights the potential of the nanotech soft mist nozzle for improved intranasal drug delivery, particularly to the olfactory region.
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Affiliation(s)
- Madeline X. Zhang
- Van der Waals-Zeeman Institute, Institute of Physics, University of Amsterdam, 1098 XH Amsterdam, The Netherlands; (S.K.); (D.B.); (C.J.M.v.R.)
| | - Frank Verhoeven
- Medspray B.V., 7521 PV Enschede, The Netherlands; (F.V.); (P.R.)
| | | | - Stefan Kooij
- Van der Waals-Zeeman Institute, Institute of Physics, University of Amsterdam, 1098 XH Amsterdam, The Netherlands; (S.K.); (D.B.); (C.J.M.v.R.)
| | | | - Daniel Bonn
- Van der Waals-Zeeman Institute, Institute of Physics, University of Amsterdam, 1098 XH Amsterdam, The Netherlands; (S.K.); (D.B.); (C.J.M.v.R.)
| | - Cees J. M. van Rijn
- Van der Waals-Zeeman Institute, Institute of Physics, University of Amsterdam, 1098 XH Amsterdam, The Netherlands; (S.K.); (D.B.); (C.J.M.v.R.)
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Finotto L, Cole B, Giese W, Baumann E, Claeys A, Vanmechelen M, Decraene B, Derweduwe M, Dubroja Lakic N, Shankar G, Nagathihalli Kantharaju M, Albrecht JP, Geudens I, Stanchi F, Ligon KL, Boeckx B, Lambrechts D, Harrington K, Van Den Bosch L, De Vleeschouwer S, De Smet F, Gerhardt H. Single-cell profiling and zebrafish avatars reveal LGALS1 as immunomodulating target in glioblastoma. EMBO Mol Med 2023; 15:e18144. [PMID: 37791581 PMCID: PMC10630887 DOI: 10.15252/emmm.202318144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 08/29/2023] [Accepted: 09/04/2023] [Indexed: 10/05/2023] Open
Abstract
Glioblastoma (GBM) remains the most malignant primary brain tumor, with a median survival rarely exceeding 2 years. Tumor heterogeneity and an immunosuppressive microenvironment are key factors contributing to the poor response rates of current therapeutic approaches. GBM-associated macrophages (GAMs) often exhibit immunosuppressive features that promote tumor progression. However, their dynamic interactions with GBM tumor cells remain poorly understood. Here, we used patient-derived GBM stem cell cultures and combined single-cell RNA sequencing of GAM-GBM co-cultures and real-time in vivo monitoring of GAM-GBM interactions in orthotopic zebrafish xenograft models to provide insight into the cellular, molecular, and spatial heterogeneity. Our analyses revealed substantial heterogeneity across GBM patients in GBM-induced GAM polarization and the ability to attract and activate GAMs-features that correlated with patient survival. Differential gene expression analysis, immunohistochemistry on original tumor samples, and knock-out experiments in zebrafish subsequently identified LGALS1 as a primary regulator of immunosuppression. Overall, our work highlights that GAM-GBM interactions can be studied in a clinically relevant way using co-cultures and avatar models, while offering new opportunities to identify promising immune-modulating targets.
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Affiliation(s)
- Lise Finotto
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- VIB ‐ KU Leuven Center for Cancer BiologyVIB ‐ KU LeuvenLeuvenBelgium
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Basiel Cole
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Wolfgang Giese
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- DZHK (German Center for Cardiovascular Research), Partner Site BerlinBerlinGermany
| | - Elisabeth Baumann
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- Charité ‐ Universitätsmedizin BerlinBerlinGermany
| | - Annelies Claeys
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Maxime Vanmechelen
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
- Department of Medical OncologyUniversity Hospitals LeuvenLeuvenBelgium
| | - Brecht Decraene
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
- Laboratory of Experimental Neurosurgery and Neuroanatomy, Department of Neurosciences, KU Leuven & Leuven Brain Institute (LBI)KU LeuvenLeuvenBelgium
- Department of NeurosurgeryUniversity Hospitals LeuvenLeuvenBelgium
| | - Marleen Derweduwe
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Nikolina Dubroja Lakic
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Gautam Shankar
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Madhu Nagathihalli Kantharaju
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- Humboldt University of BerlinBerlinGermany
| | - Jan Philipp Albrecht
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- Humboldt University of BerlinBerlinGermany
| | - Ilse Geudens
- VIB ‐ KU Leuven Center for Cancer BiologyVIB ‐ KU LeuvenLeuvenBelgium
| | - Fabio Stanchi
- VIB ‐ KU Leuven Center for Cancer BiologyVIB ‐ KU LeuvenLeuvenBelgium
| | - Keith L Ligon
- Center for Neuro‐oncologyDana‐Farber Cancer InstituteBostonMAUSA
- Department of PathologyBrigham and Women's HospitalBostonMAUSA
- Department of PathologyHarvard Medical SchoolBostonMAUSA
| | - Bram Boeckx
- VIB ‐ KU Leuven Center for Cancer BiologyVIB ‐ KU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
- Laboratory of Translational Genetics, Department of Human GeneticsKU LeuvenLeuvenBelgium
| | - Diether Lambrechts
- VIB ‐ KU Leuven Center for Cancer BiologyVIB ‐ KU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
- Laboratory of Translational Genetics, Department of Human GeneticsKU LeuvenLeuvenBelgium
| | - Kyle Harrington
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- Chan Zuckerberg InitiativeRedwood CityCAUSA
| | - Ludo Van Den Bosch
- Laboratory of Neurobiology, Department of Neurosciences, Experimental Neurology & Leuven Brain Institute (LBI)KU LeuvenLeuvenBelgium
- VIB ‐ KU Leuven Center for Brain & Disease Research, Laboratory of NeurobiologyVIB ‐ KU LeuvenLeuvenBelgium
| | - Steven De Vleeschouwer
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
- Laboratory of Experimental Neurosurgery and Neuroanatomy, Department of Neurosciences, KU Leuven & Leuven Brain Institute (LBI)KU LeuvenLeuvenBelgium
- Department of NeurosurgeryUniversity Hospitals LeuvenLeuvenBelgium
| | - Frederik De Smet
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Holger Gerhardt
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- DZHK (German Center for Cardiovascular Research), Partner Site BerlinBerlinGermany
- Charité ‐ Universitätsmedizin BerlinBerlinGermany
- Berlin Institute of HealthBerlinGermany
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Zaiki Y, Iskandar A, Wong TW. Functionalized chitosan for cancer nano drug delivery. Biotechnol Adv 2023; 67:108200. [PMID: 37331671 DOI: 10.1016/j.biotechadv.2023.108200] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 05/18/2023] [Accepted: 06/11/2023] [Indexed: 06/20/2023]
Abstract
Chitosan is a biotechnological derivative of chitin receiving a widespread pharmaceutical and biomedical applications. It can be used to encapsulate and deliver cancer therapeutics with inherent pH-dependent solubility to confer drug targeting at tumour microenvironment and anti-cancer activity synergizing cancer cytotoxic drug actions. To further reduce the off-target and by-stander adverse effects of drugs, a high targeted drug delivery efficiency at the lowest possible drug doses is clinically required. The chitosan has been functionalized with covalent conjugates or complexes and processed into nanoparticles to encapsulate and control drug release, to avoid premature drug clearance, to deliver drugs passively and actively to cancer site at tissue, cell or subcellular levels, and to promote cancer cell uptake of nanoparticles through membrane permeabilization at higher specificity and scale. Nanomedicine developed using functionalized chitosan translates to significant preclinical improvements. Future challenges related to nanotoxicity, manufacturability, selection precision of conjugates and complexes as a function of cancer omics and their biological responses from administration site to cancer target need critical assessments.
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Affiliation(s)
- Yazid Zaiki
- Non-Destructive Biomedical and Pharmaceutical Research Centre, Smart Manufacturing Research Institute, Universiti Teknologi MARA Selangor, 42300 Puncak Alam, Selangor, Malaysia; Particle Design Research Group, Faculty of Pharmacy, Universiti Teknologi MARA Selangor, 42300 Puncak Alam, Selangor, Malaysia
| | - Athirah Iskandar
- Non-Destructive Biomedical and Pharmaceutical Research Centre, Smart Manufacturing Research Institute, Universiti Teknologi MARA Selangor, 42300 Puncak Alam, Selangor, Malaysia; Particle Design Research Group, Faculty of Pharmacy, Universiti Teknologi MARA Selangor, 42300 Puncak Alam, Selangor, Malaysia
| | - Tin Wui Wong
- Non-Destructive Biomedical and Pharmaceutical Research Centre, Smart Manufacturing Research Institute, Universiti Teknologi MARA Selangor, 42300 Puncak Alam, Selangor, Malaysia; Particle Design Research Group, Faculty of Pharmacy, Universiti Teknologi MARA Selangor, 42300 Puncak Alam, Selangor, Malaysia; Sino-Malaysia Molecular Oncology and Traditional Chinese Medicine Delivery Joint Research Centre, Medical College, Yangzhou University, 136, Jiangyang Middle Road, Yangzhou, Jiangsu Province, China; Faculty of Pharmacy, Universiti Malaya, 50603 Kuala Lumpur, Malaysia.
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Ren J, Xu B, Ren J, Liu Z, Cai L, Zhang X, Wang W, Li S, Jin L, Ding L. The Importance of M1-and M2-Polarized Macrophages in Glioma and as Potential Treatment Targets. Brain Sci 2023; 13:1269. [PMID: 37759870 PMCID: PMC10526262 DOI: 10.3390/brainsci13091269] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/25/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023] Open
Abstract
Glioma is the most common and malignant tumor of the central nervous system. Glioblastoma (GBM) is the most aggressive glioma, with a poor prognosis and no effective treatment because of its high invasiveness, metabolic rate, and heterogeneity. The tumor microenvironment (TME) contains many tumor-associated macrophages (TAMs), which play a critical role in tumor proliferation, invasion, metastasis, and angiogenesis and indirectly promote an immunosuppressive microenvironment. TAM is divided into tumor-suppressive M1-like (classic activation of macrophages) and tumor-supportive M2-like (alternatively activated macrophages) polarized cells. TAMs exhibit an M1-like phenotype in the initial stages of tumor progression, and along with the promotion of lysing tumors and the functions of T cells and NK cells, tumor growth is suppressed, and they rapidly transform into M2-like polarized macrophages, which promote tumor progression. In this review, we discuss the mechanism by which M1- and M2-polarized macrophages promote or inhibit the growth of glioblastoma and indicate the future directions for treatment.
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Affiliation(s)
- Jiangbin Ren
- Department of neurosurgery, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Nanjing Medical University, Huai’an 223000, China; (J.R.); (B.X.); (Z.L.); (L.C.); (X.Z.); (W.W.); (S.L.); (L.J.)
| | - Bangjie Xu
- Department of neurosurgery, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Nanjing Medical University, Huai’an 223000, China; (J.R.); (B.X.); (Z.L.); (L.C.); (X.Z.); (W.W.); (S.L.); (L.J.)
| | - Jianghao Ren
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiaotong University, Shanghai 200030, China;
| | - Zhichao Liu
- Department of neurosurgery, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Nanjing Medical University, Huai’an 223000, China; (J.R.); (B.X.); (Z.L.); (L.C.); (X.Z.); (W.W.); (S.L.); (L.J.)
| | - Lingyu Cai
- Department of neurosurgery, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Nanjing Medical University, Huai’an 223000, China; (J.R.); (B.X.); (Z.L.); (L.C.); (X.Z.); (W.W.); (S.L.); (L.J.)
| | - Xiaotian Zhang
- Department of neurosurgery, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Nanjing Medical University, Huai’an 223000, China; (J.R.); (B.X.); (Z.L.); (L.C.); (X.Z.); (W.W.); (S.L.); (L.J.)
| | - Weijie Wang
- Department of neurosurgery, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Nanjing Medical University, Huai’an 223000, China; (J.R.); (B.X.); (Z.L.); (L.C.); (X.Z.); (W.W.); (S.L.); (L.J.)
| | - Shaoxun Li
- Department of neurosurgery, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Nanjing Medical University, Huai’an 223000, China; (J.R.); (B.X.); (Z.L.); (L.C.); (X.Z.); (W.W.); (S.L.); (L.J.)
| | - Luhao Jin
- Department of neurosurgery, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Nanjing Medical University, Huai’an 223000, China; (J.R.); (B.X.); (Z.L.); (L.C.); (X.Z.); (W.W.); (S.L.); (L.J.)
| | - Lianshu Ding
- Department of neurosurgery, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Nanjing Medical University, Huai’an 223000, China; (J.R.); (B.X.); (Z.L.); (L.C.); (X.Z.); (W.W.); (S.L.); (L.J.)
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Lenders V, Koutsoumpou X, Phan P, Soenen SJ, Allegaert K, de Vleeschouwer S, Toelen J, Zhao Z, Manshian BB. Modulation of engineered nanomaterial interactions with organ barriers for enhanced drug transport. Chem Soc Rev 2023; 52:4672-4724. [PMID: 37338993 DOI: 10.1039/d1cs00574j] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2023]
Abstract
The biomedical use of nanoparticles (NPs) has been the focus of intense research for over a decade. As most NPs are explored as carriers to alter the biodistribution, pharmacokinetics and bioavailability of associated drugs, the delivery of these NPs to the tissues of interest remains an important topic. To date, the majority of NP delivery studies have used tumor models as their tool of interest, and the limitations concerning tumor targeting of systemically administered NPs have been well studied. In recent years, the focus has also shifted to other organs, each presenting their own unique delivery challenges to overcome. In this review, we discuss the recent advances in leveraging NPs to overcome four major biological barriers including the lung mucus, the gastrointestinal mucus, the placental barrier, and the blood-brain barrier. We define the specific properties of these biological barriers, discuss the challenges related to NP transport across them, and provide an overview of recent advances in the field. We discuss the strengths and shortcomings of different strategies to facilitate NP transport across the barriers and highlight some key findings that can stimulate further advances in this field.
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Affiliation(s)
- Vincent Lenders
- Translational Cell and Tissue Research Unit, Department of Imaging and Pathology, KU Leuven, Herestraat 49, B3000 Leuven, Belgium.
| | - Xanthippi Koutsoumpou
- Translational Cell and Tissue Research Unit, Department of Imaging and Pathology, KU Leuven, Herestraat 49, B3000 Leuven, Belgium.
| | - Philana Phan
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Stefaan J Soenen
- Translational Cell and Tissue Research Unit, Department of Imaging and Pathology, KU Leuven, Herestraat 49, B3000 Leuven, Belgium.
- NanoHealth and Optical Imaging Group, Department of Imaging and Pathology, KU Leuven, Herestraat 49, B3000 Leuven, Belgium
| | - Karel Allegaert
- Department of Hospital Pharmacy, Erasmus MC University Medical Center, CN Rotterdam, 3015, The Netherlands
- Clinical Pharmacology and Pharmacotherapy, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, B3000 Leuven, Belgium
- Leuven Child and Youth Institute, KU Leuven, 3000 Leuven, Belgium
- Woman and Child, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
| | - Steven de Vleeschouwer
- Department of Neurosurgery, University Hospitals Leuven, Leuven, Belgium
- Laboratory of Experimental Neurosurgery and Neuroanatomy, Department of Neurosciences, KU Leuven, Leuven, Belgium
- Leuven Brain Institute (LBI), KU Leuven, Leuven, Belgium
| | - Jaan Toelen
- Leuven Child and Youth Institute, KU Leuven, 3000 Leuven, Belgium
- Woman and Child, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
- Department of Pediatrics, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Zongmin Zhao
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Bella B Manshian
- Translational Cell and Tissue Research Unit, Department of Imaging and Pathology, KU Leuven, Herestraat 49, B3000 Leuven, Belgium.
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9
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Yang YL, Yang F, Huang ZQ, Li YY, Shi HY, Sun Q, Ma Y, Wang Y, Zhang Y, Yang S, Zhao GR, Xu FH. T cells, NK cells, and tumor-associated macrophages in cancer immunotherapy and the current state of the art of drug delivery systems. Front Immunol 2023; 14:1199173. [PMID: 37457707 PMCID: PMC10348220 DOI: 10.3389/fimmu.2023.1199173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/15/2023] [Indexed: 07/18/2023] Open
Abstract
The immune system provides full protection for the body by specifically identifying 'self' and removing 'others'; thus protecting the body from diseases. The immune system includes innate immunity and adaptive immunity, which jointly coordinate the antitumor immune response. T cells, natural killer (NK) cells and tumor-associated macrophages (TAMs) are the main tumor-killing immune cells active in three antitumor immune cycle. Cancer immunotherapy focusses on activating and strengthening immune response or eliminating suppression from tumor cells in each step of the cancer-immunity cycle; thus, it strengthens the body's immunity against tumors. In this review, the antitumor immune cycles of T cells, natural killer (NK) cells and tumor-associated macrophages (TAMs) are discussed. Co-stimulatory and co-inhibitory molecules in the three activity cycles and the development of drugs and delivery systems targeting these molecules are emphasized, and the current state of the art of drug delivery systems for cancer immunotherapy are summarized.
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Affiliation(s)
- Ya-long Yang
- Pharmaceutical Sciences Research Division, Department of Pharmacy, Medical Supplies Center, People's Liberation Army of China (PLA) General Hospital, Beijing, China
| | - Fei Yang
- Pharmaceutical Sciences Research Division, Department of Pharmacy, Medical Supplies Center, People's Liberation Army of China (PLA) General Hospital, Beijing, China
| | - Zhuan-qing Huang
- Pharmaceutical Sciences Research Division, Department of Pharmacy, Medical Supplies Center, People's Liberation Army of China (PLA) General Hospital, Beijing, China
| | - Yuan-yuan Li
- Pharmaceutical Sciences Research Division, Department of Pharmacy, Medical Supplies Center, People's Liberation Army of China (PLA) General Hospital, Beijing, China
| | - Hao-yuan Shi
- Pharmaceutical Sciences Research Division, Department of Pharmacy, Medical Supplies Center, People's Liberation Army of China (PLA) General Hospital, Beijing, China
| | - Qi Sun
- Pharmaceutical Sciences Research Division, Department of Pharmacy, Medical Supplies Center, People's Liberation Army of China (PLA) General Hospital, Beijing, China
| | - Yue Ma
- Pharmaceutical Sciences Research Division, Department of Pharmacy, Medical Supplies Center, People's Liberation Army of China (PLA) General Hospital, Beijing, China
| | - Yao Wang
- Department of Biotherapeutic, The First Medical Centre, People's Liberation Army of China (PLA) General Hospital, Beijing, China
| | - Ying Zhang
- Pharmaceutical Sciences Research Division, Department of Pharmacy, Medical Supplies Center, People's Liberation Army of China (PLA) General Hospital, Beijing, China
| | - Sen Yang
- Chinese People’s Armed Police Force Hospital of Beijing, Beijing, China
| | - Guan-ren Zhao
- Department of Pharmacy, Medical Supplies Center, People's Liberation Army of China (PLA) General Hospital, Beijing, China
| | - Feng-hua Xu
- Pharmaceutical Sciences Research Division, Department of Pharmacy, Medical Supplies Center, People's Liberation Army of China (PLA) General Hospital, Beijing, China
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10
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Yu X, Qian J, Ding L, Yin S, Zhou L, Zheng S. Galectin-1: A Traditionally Immunosuppressive Protein Displays Context-Dependent Capacities. Int J Mol Sci 2023; 24:ijms24076501. [PMID: 37047471 PMCID: PMC10095249 DOI: 10.3390/ijms24076501] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 03/20/2023] [Accepted: 03/23/2023] [Indexed: 04/03/2023] Open
Abstract
Galectin–Carbohydrate interactions are indispensable to pathogen recognition and immune response. Galectin-1, a ubiquitously expressed 14-kDa protein with an evolutionarily conserved β-galactoside binding site, translates glycoconjugate recognition into function. That galectin-1 is demonstrated to induce T cell apoptosis has led to substantial attention to the immunosuppressive properties of this protein, such as inducing naive immune cells to suppressive phenotypes, promoting recruitment of immunosuppressing cells as well as impairing functions of cytotoxic leukocytes. However, only in recent years have studies shown that galectin-1 appears to perform a pro-inflammatory role in certain diseases. In this review, we describe the anti-inflammatory function of galectin-1 and its possible mechanisms and summarize the existing therapies and preclinical efficacy relating to these agents. In the meantime, we also discuss the potential causal factors by which galectin-1 promotes the progression of inflammation.
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11
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Martínez-Bosch N, Vilariño N, Alameda F, Mojal S, Arumí-Uria M, Carrato C, Aldecoa I, Ribalta T, Vidal N, Bellosillo B, Menéndez S, Del Barco S, Gallego O, Pineda E, López-Martos R, Hernández A, Mesia C, Esteve-Codina A, de la Iglesia N, Balañá C, Martínez-García M, Navarro P. Gal-1 Expression Analysis in the GLIOCAT Multicenter Study: Role as a Prognostic Factor and an Immune-Suppressive Biomarker. Cells 2023; 12:cells12060843. [PMID: 36980184 PMCID: PMC10047329 DOI: 10.3390/cells12060843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 03/02/2023] [Accepted: 03/06/2023] [Indexed: 03/11/2023] Open
Abstract
Glioblastoma (GBM) is the most frequent primary malignant brain tumor and has a dismal prognosis. Unfortunately, despite the recent revolution of immune checkpoint inhibitors in many solid tumors, these have not shown a benefit in overall survival in GBM patients. Therefore, new potential treatment targets as well as diagnostic, prognostic, and/or predictive biomarkers are needed to improve outcomes in this population. The β-galactoside binding protein Galectin-1 (Gal-1) is a protein with a wide range of pro-tumor functions such as proliferation, invasion, angiogenesis, and immune suppression. Here, we evaluated Gal-1 expression by immunohistochemistry in a homogenously treated cohort of GBM (the GLIOCAT project) and correlated its expression with clinical and molecular data. We observed that Gal-1 is a negative prognostic factor in GBM. Interestingly, we observed higher levels of Gal-1 expression in the mesenchymal/classical subtypes compared to the less aggressive proneural subtype. We also observed a Gal-1 expression correlation with immune suppressive signatures of CD4 T-cells and macrophages, as well as with several GBM established biomarkers, including SHC1, PD-L1, PAX2, MEOX2, YKL-40, TCIRG1, YWHAG, OLIG2, SOX2, Ki-67, and SOX11. Moreover, Gal-1 levels were significantly lower in grade 4 IDH-1 mutant astrocytomas, which have a better prognosis. Our results confirm the role of Gal-1 as a prognostic factor and also suggest its value as an immune-suppressive biomarker in GBM.
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Affiliation(s)
- Neus Martínez-Bosch
- Cancer Research Program, Hospital del Mar Medical Research Institute (IMIM), Unidad Asociada IIBB-CSIC, 08003 Barcelona, Spain
| | - Noelia Vilariño
- Medical Oncology Department, Hospital Duran i Reynals, Catalan Institute of Oncology, L’Hospitalet, 08908 Barcelona, Spain
| | - Francesc Alameda
- Cancer Research Program, Hospital del Mar Medical Research Institute (IMIM), Unidad Asociada IIBB-CSIC, 08003 Barcelona, Spain
- Department of Pathology, Hospital del Mar, 08003 Barcelona, Spain
| | - Sergi Mojal
- Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, Institut d’Investigacions Biomèdiques IIB-Sant Pau, 08025 Barcelona, Spain
| | - Montserrat Arumí-Uria
- Cancer Research Program, Hospital del Mar Medical Research Institute (IMIM), Unidad Asociada IIBB-CSIC, 08003 Barcelona, Spain
- Department of Pathology, Hospital del Mar, 08003 Barcelona, Spain
| | - Cristina Carrato
- Department of Pathology, Hospital Germans Trias i Pujol, 08916 Badalona, Spain
| | - Iban Aldecoa
- Department of Pathology, Center for Biomedical Diagnosis, Hospital Clinic de Barcelona, University of Barcelona, 08036 Barcelona, Spain
- Neurological Tissue Bank of the Biobank-Hospital Clinic-IDIBAPS (Instituto de Investigaciones Biomédicas August Pi i Sunyer), 08036 Barcelona, Spain
| | - Teresa Ribalta
- Department of Pathology, Center for Biomedical Diagnosis, Hospital Clinic de Barcelona, University of Barcelona, 08036 Barcelona, Spain
| | - Noemí Vidal
- Department of Pathology, Hospital Universitari de Bellvitge, L’Hospitalet, 08907 Barcelona, Spain
| | - Beatriz Bellosillo
- Cancer Research Program, Hospital del Mar Medical Research Institute (IMIM), Unidad Asociada IIBB-CSIC, 08003 Barcelona, Spain
- Department of Pathology, Hospital del Mar, 08003 Barcelona, Spain
| | - Silvia Menéndez
- Cancer Research Program, Hospital del Mar Medical Research Institute (IMIM), Unidad Asociada IIBB-CSIC, 08003 Barcelona, Spain
| | - Sonia Del Barco
- Medical Oncology, Institut Catala d’Oncologia (ICO) Girona, Hospital Josep Trueta, 17007 Girona, Spain
| | - Oscar Gallego
- Department of Medical Oncology, Hospital de Sant Pau, 08036 Barcelona, Spain
| | - Estela Pineda
- Department of Medical Oncology, Hospital Clínic Barcelona, Translational Genomics and Targeted Therapeutics in Solid Tumors, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
| | - Raquel López-Martos
- Department of Pathology, Hospital Germans Trias i Pujol, 08916 Badalona, Spain
| | - Ainhoa Hernández
- Badalona Applied Research Group in Oncology (B-ARGO Group), Institut Investigació Germans Trias i Pujol (IGTP), Institut Catalá d’Oncologia (ICO), 08916 Badalona, Spain
| | - Carlos Mesia
- Neuro-Oncology Unit and Medical Oncology Department, Institut Catala d’Oncologia (ICO), Institut de Investigació Bellvitge (IDIBELL), L’Hospitalet, 08908 Barcelona, Spain
| | - Anna Esteve-Codina
- CNAG-CRG, Centre for Genomic Regulation, Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
| | - Nuria de la Iglesia
- IrsiCaixa AIDS Research Institute, Hospital Universitari Germans Trias i Pujol, 08916 Badalona, Spain
| | - Carme Balañá
- Badalona Applied Research Group in Oncology (B-ARGO Group), Institut Investigació Germans Trias i Pujol (IGTP), Institut Catalá d’Oncologia (ICO), 08916 Badalona, Spain
| | - María Martínez-García
- Department of Medical Oncology, Hospital del Mar, 08003 Barcelona, Spain
- Cancer Research Program, Hospital del Mar Medical Research Institute (IMIM), 08003 Barcelona, Spain
- Correspondence: (M.M.-G.); (P.N.)
| | - Pilar Navarro
- Cancer Research Program, Hospital del Mar Medical Research Institute (IMIM), Unidad Asociada IIBB-CSIC, 08003 Barcelona, Spain
- Departamento de Muerte y Proliferación Celular, Instituto de Investigaciones Biomédicas de Barcelona–Centro Superior de Investigaciones Científicas (IIBB-CSIC), 08036 Barcelona, Spain
- Institut d’Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), 08036 Barcelona, Spain
- Correspondence: (M.M.-G.); (P.N.)
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12
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Kaushal P, Zhu J, Wan Z, Chen H, Ye J, Luo C. Prognosis and Immune Landscapes in Glioblastoma Based on Gene-Signature Related to Reactive-Oxygen-Species. Neuromolecular Med 2023; 25:102-119. [PMID: 35779207 DOI: 10.1007/s12017-022-08719-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 06/13/2022] [Indexed: 11/28/2022]
Abstract
Glioblastoma (GBM) is the most malignant and aggressive primary brain tumor and is highly resistant to current therapeutic strategies. Previous studies have demonstrated that reactive oxygen species (ROS) play an important role in the regulation of signal transduction and immunosuppressive environment in GBM. To further study the role of ROS in prognosis, tumor micro-environment (TME) and immunotherapeutic response in GBM, an ROS-related nine-gene signature was constructed using the Lasso-Cox regression method and validated using three other datasets in our research, based on the hallmark ROS-pathway-related gene sets and the Cancer Genome Atlas GBM dataset. Differences in prognosis, TME scores, immune cell infiltration, immune checkpoint expression levels, and drug sensitivity between high-risk and low-risk subgroups were analyzed using R software. Collectively, our research uncovered a novel ROS-related prognostic model for primary GBM, which could prove to be a potential tool for clinical diagnosis of GBM, and help assess the immune and molecular characteristics of ROS in the tumorigenesis and immunosuppression of GBM. Our research also revealed that the expressions of ROS-related genes-HSPB1, LSP1, and PTX3-were closely related to the cell markers of tumor-associated macrophages (TAMs) and M2 macrophages validated by quantitative RT-PCR, suggesting them could be potential targets of immunotherapy for GBM.
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Affiliation(s)
- Prashant Kaushal
- Department of Neurosurgery, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Junle Zhu
- Department of Neurosurgery, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Zhiping Wan
- Department of Neurosurgery, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Huairui Chen
- Department of Neurosurgery, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jingliang Ye
- Department of Neurosurgery, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China.
| | - Chun Luo
- Department of Neurosurgery, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China.
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13
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Li LJ, Xuan JZ, Zheng HN. Correlation of 18F-FDG PET/CT metabolic parameters with the expression of immune biomarkers in the tumour microenvironment in lung adenocarcinoma. Clin Radiol 2023:S0009-9260(23)00075-2. [PMID: 36934052 DOI: 10.1016/j.crad.2023.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 02/02/2023] [Accepted: 02/08/2023] [Indexed: 03/06/2023]
Abstract
AIM To explore the association between metabolic parameters evaluated by integrated 2-[18F]-fluoro-2-deoxy-d-glucose (FDG) positron-emission tomography (PET)/computed tomography (CT) and the expression of immune biomarkers in the tumour microenvironment in lung adenocarcinoma. MATERIALS AND METHODS This study included 134 patients. Metabolic parameters were obtained by PET/CT. Immunohistochemistry analysis was used for FOXP3-TILs (transcription factor forkhead box protein 3 tumour-infiltrating lymphocytes), CD8-TILs, CD4-TILs, CD68-TAMs (tumour-associated macrophages) and galectin-1 (Gal-1) tumour expression. RESULTS There were significant positive associations between FDG PET metabolic parameters and the median percentage of immune reactive areas (IRA%) covered by FOXP3-TILs and CD68-TAMs. Negative associations with the median IRA% covered by CD4-TILs and CD8-TILs were observed: maximal standardised uptake value (SUVmax), metabolic tumour volume (MTV), total lesion glycolysis (TLG), and IRA% for FOXP3-TILs (rho = 0.437, 0.400, 0.414; p<0.0001 for all parameters); SUVmax, MTV, TLG, and IRA% for CD68-TAMs (rho = 0.356, 0.355, 0.354; p<0.0001 for all parameters); SUVmax, MTV, TLG, and IRA% for CD4-TILs (rho = -0.164, -0.190, -0.191; p=0.059, 0.028, 0.027, respectively); SUVmax, MTV, TLG, and IRA% for CD8-TILs (rho = -0.305, -0.316, -0.322; p<0.0001 for all parameters). There were significant positive associations between tumour Gal-1 expression and the median IRA% covered by FOXP3-TILs and CD68-TAMs (rho = 0.379; p<0.0001; rho = 0.370; p<0.0001, respectively), and a significant negative association with the median IRA% covered by CD8-TILs (rho = -0.347; p<0.0001) was observed. Tumour stage (p=0.008), Gal-1 expression (p=0.008), and median IRA% covered by CD8-TILs (p=0.054) were independent risk factors for overall survival. CONCLUSION FDG PET may facilitate a comprehensive evaluation of the tumour microenvironment and predict response to immunotherapy.
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Affiliation(s)
- L-J Li
- Department of Radiation Oncology, The First Affiliated Hospital of Dalian Medical University, No. 222 Zhongshan Road, Dalian, Liaoning 116011, People's Republic of China
| | - J-Z Xuan
- Department of Pathology, The First Affiliated Hospital of Dalian Medical University, No. 222 Zhongshan Road, Dalian, Liaoning 116011, People's Republic of China
| | - H-N Zheng
- Department of Nuclear Medicine, The First Affiliated Hospital of Dalian Medical University, No. 222 Zhongshan Road, Dalian, Liaoning 116011, People's Republic of China.
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14
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Kapetanakis NI, Busson P. Galectins as pivotal components in oncogenesis and immune exclusion in human malignancies. Front Immunol 2023; 14:1145268. [PMID: 36817445 PMCID: PMC9935586 DOI: 10.3389/fimmu.2023.1145268] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 01/25/2023] [Indexed: 02/05/2023] Open
Abstract
Galectins are galactoside-binding proteins, exerting numerous functions inside and outside the cell, particularly conferring adaptation to stress factors. For most of them, aberrant expression profiles have been reported in the context of cancer. Albeit not being oncogenic drivers, galectins can be harnessed to exacerbate the malignant phenotype. Their impact on disease establishment and progression is not limited to making cancer cells resistant to apoptosis, but is prominent in the context of the tumor microenvironment, where it fosters angiogenesis, immune escape and exclusion. This review focuses mainly on Gal-1, Gal-3 and Gal-9 for which the involvement in cancer biology is best known. It presents the types of galectin dysregulations, attempts to explain the mechanisms behind them and analyzes the different ways in which they favor tumour growth. In an era where tumour resistance to immunotherapy appears as a major challenge, we highlight the crucial immunosuppressive roles of galectins and the potential therapeutic benefits of combinatorial approaches including galectin inhibition.
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Affiliation(s)
- Nikiforos-Ioannis Kapetanakis
- Research & Development (R&D), 4D Lifetec, Cham, Switzerland,*Correspondence: Nikiforos-Ioannis Kapetanakis, ; Pierre Busson,
| | - Pierre Busson
- Host-Tumor Interactions in Head and Neck Carcinoma: Exploration and Therapeutic Modulations, Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche(UMR) 9018 - METabolic and SYstemic aspects of oncogenesis for new therapeutic approaches (METSY), Gustave Roussy and Université Paris-Saclay, Villejuif, France,*Correspondence: Nikiforos-Ioannis Kapetanakis, ; Pierre Busson,
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15
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Guo ZH, Khattak S, Rauf MA, Ansari MA, Alomary MN, Razak S, Yang CY, Wu DD, Ji XY. Role of Nanomedicine-Based Therapeutics in the Treatment of CNS Disorders. Molecules 2023; 28:molecules28031283. [PMID: 36770950 PMCID: PMC9921752 DOI: 10.3390/molecules28031283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/13/2022] [Accepted: 12/20/2022] [Indexed: 01/31/2023] Open
Abstract
Central nervous system disorders, especially neurodegenerative diseases, are a public health priority and demand a strong scientific response. Various therapy procedures have been used in the past, but their therapeutic value has been insufficient. The blood-brain barrier (BBB) and the blood-cerebrospinal fluid barrier is two of the barriers that protect the central nervous system (CNS), but are the main barriers to medicine delivery into the CNS for treating CNS disorders, such as brain tumors, Parkinson's disease, Alzheimer's disease, and Huntington's disease. Nanotechnology-based medicinal approaches deliver valuable cargos targeting molecular and cellular processes with greater safety, efficacy, and specificity than traditional approaches. CNS diseases include a wide range of brain ailments connected to short- and long-term disability. They affect millions of people worldwide and are anticipated to become more common in the coming years. Nanotechnology-based brain therapy could solve the BBB problem. This review analyzes nanomedicine's role in medication delivery; immunotherapy, chemotherapy, and gene therapy are combined with nanomedicines to treat CNS disorders. We also evaluated nanotechnology-based approaches for CNS disease amelioration, with the intention of stimulating the immune system by delivering medications across the BBB.
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Affiliation(s)
- Zi-Hua Guo
- Department of Neurology, Kaifeng Hospital of Traditional Chinese Medicine, No. 54 East Caizhengting St., Kaifeng 475000, China
| | - Saadullah Khattak
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
| | - Mohd Ahmar Rauf
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
- Henan-Macquarie University Joint Centre for Biomedical Innovation, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Mohammad Azam Ansari
- Department of Epidemic Disease Research, Institute for Research & Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Mohammad N. Alomary
- National Centre for Biotechnology, King Abdulaziz City for Science and Technology (KACST), P.O. Box 6086, Riyadh 11442, Saudi Arabia
| | - Sufyan Razak
- Dow Medical College, John Hopkins Medical Center, School of Medicine, Baltimore, MD 21205, USA
| | - Chang-Yong Yang
- School of Nursing and Health, Henan University, Kaifeng 475004, China
- Correspondence: (C.-Y.Y.); (D.-D.W.); (X.-Y.J.); Tel.: +86-371-23885066 (C.-Y.Y.); +86-371-23880525 (D.-D.W.); +86-371-23880585 (X.-Y.J.)
| | - Dong-Dong Wu
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
- School of Stomatology, Henan University, Kaifeng 475004, China
- Correspondence: (C.-Y.Y.); (D.-D.W.); (X.-Y.J.); Tel.: +86-371-23885066 (C.-Y.Y.); +86-371-23880525 (D.-D.W.); +86-371-23880585 (X.-Y.J.)
| | - Xin-Ying Ji
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
- Correspondence: (C.-Y.Y.); (D.-D.W.); (X.-Y.J.); Tel.: +86-371-23885066 (C.-Y.Y.); +86-371-23880525 (D.-D.W.); +86-371-23880585 (X.-Y.J.)
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16
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Circulating galectin-1 delineates response to bevacizumab in melanoma patients and reprograms endothelial cell biology. Proc Natl Acad Sci U S A 2023; 120:e2214350120. [PMID: 36634146 PMCID: PMC9934167 DOI: 10.1073/pnas.2214350120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Blockade of vascular endothelial growth factor (VEGF) signaling with bevacizumab, a humanized anti-VEGF monoclonal antibody (mAb), or with receptor tyrosine kinase inhibitors, has improved progression-free survival and, in some indications, overall survival across several types of cancers by interrupting tumor angiogenesis. However, the clinical benefit conferred by these therapies is variable, and tumors from treated patients eventually reinitiate growth. Previously we demonstrated, in mouse tumor models, that galectin-1 (Gal1), an endogenous glycan-binding protein, preserves angiogenesis in anti-VEGF-resistant tumors by co-opting the VEGF receptor (VEGFR)2 signaling pathway in the absence of VEGF. However, the relevance of these findings in clinical settings is uncertain. Here, we explored, in a cohort of melanoma patients from AVAST-M, a multicenter, open-label, randomized controlled phase 3 trial of adjuvant bevacizumab versus standard surveillance, the role of circulating plasma Gal1 as part of a compensatory mechanism that orchestrates endothelial cell programs in bevacizumab-treated melanoma patients. We found that increasing Gal1 levels over time in patients in the bevacizumab arm, but not in the observation arm, significantly increased their risks of recurrence and death. Remarkably, plasma Gal1 was functionally active as it was able to reprogram endothelial cell biology, promoting migration, tubulogenesis, and VEGFR2 phosphorylation. These effects were prevented by blockade of Gal1 using a newly developed fully human anti-Gal1 neutralizing mAb. Thus, using samples from a large-scale clinical trial from stage II and III melanoma patients, we validated the clinical relevance of Gal1 as a potential mechanism of resistance to bevacizumab treatment.
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17
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Laderach DJ, Compagno D. Inhibition of galectins in cancer: Biological challenges for their clinical application. Front Immunol 2023; 13:1104625. [PMID: 36703969 PMCID: PMC9872792 DOI: 10.3389/fimmu.2022.1104625] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 12/16/2022] [Indexed: 01/11/2023] Open
Abstract
Galectins play relevant roles in tumor development, progression and metastasis. Accordingly, galectins are certainly enticing targets for medical intervention in cancer. To date, however, clinical trials based on galectin inhibitors reported inconclusive results. This review summarizes the galectin inhibitors currently being evaluated and discusses some of the biological challenges that need to be addressed to improve these strategies for the benefit of cancer patients.
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Affiliation(s)
- Diego José Laderach
- Molecular and Functional Glyco-Oncology Laboratory, Instituto de Química Biológica de la Facutad de Ciencias Exactas y Naturales (IQUIBICEN-CONICET), Buenos Aires, Argentina,Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina,Departamento de Ciencias Básicas, Universidad Nacional de Luján, Luján, Argentina,*Correspondence: Diego José Laderach,
| | - Daniel Compagno
- Molecular and Functional Glyco-Oncology Laboratory, Instituto de Química Biológica de la Facutad de Ciencias Exactas y Naturales (IQUIBICEN-CONICET), Buenos Aires, Argentina,Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
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18
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Ghafelehbashi R, Farshbafnadi M, Aghdam NS, Amiri S, Salehi M, Razi S. Nanoimmunoengineering strategies in cancer diagnosis and therapy. CLINICAL & TRANSLATIONAL ONCOLOGY : OFFICIAL PUBLICATION OF THE FEDERATION OF SPANISH ONCOLOGY SOCIETIES AND OF THE NATIONAL CANCER INSTITUTE OF MEXICO 2023; 25:78-90. [PMID: 36076122 DOI: 10.1007/s12094-022-02935-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 08/22/2022] [Indexed: 01/07/2023]
Abstract
Cancer immunotherapy strategies in combination with engineered nanosystems have yielded beneficial results in the treatment of cancer and their application is increasing day by day. The pivotal role of stimuli-responsive nanosystems and nanomedicine-based cancer immunotherapy, as a subsidiary discipline in the field of immunology, cannot be ignored. Today, rapid advances in nanomedicine are used as a platform for exploring new therapeutic applications and modern smart healthcare management strategies. The progress of nanomedicine in cancer treatment has confirmed the findings of immunotherapy in the medical research phase. This study concentrates on approaches connected to the efficacy of nanoimmunoengineering strategies for cancer immunotherapies and their applications. By assessing improved approaches, different aspects of the nanoimmunoengineering strategies for cancer therapies are discussed in this study.
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Affiliation(s)
- Robabehbeygom Ghafelehbashi
- Department of Materials and Textile Engineering, College of Engineering, Razi University, Kermanshah, Iran.,Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Melina Farshbafnadi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Shahin Amiri
- Department of Medical Biotechnology, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran.,Student Research Committee, Pasteur Institute of Iran, Tehran, Iran
| | - Mitra Salehi
- Student Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Sepideh Razi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran. .,Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran. .,School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
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19
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Lee S, Hao LT, Park J, Oh DX, Hwang DS. Nanochitin and Nanochitosan: Chitin Nanostructure Engineering with Multiscale Properties for Biomedical and Environmental Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2203325. [PMID: 35639091 DOI: 10.1002/adma.202203325] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/24/2022] [Indexed: 06/15/2023]
Abstract
Nanochitin and nanochitosan (with random-copolymer-based multiscale architectures of glucosamine and N-acetylglucosamine units) have recently attracted immense attention for the development of green, sustainable, and advanced functional materials. Nanochitin and nanochitosan are multiscale materials from small oligomers, rod-shaped nanocrystals, longer nanofibers, to hierarchical assemblies of nanofibers. Various physical properties of chitin and chitosan depend on their molecular- and nanostructures; translational research has utilized them for a wide range of applications (biomedical, industrial, environmental, and so on). Instead of reviewing the entire extensive literature on chitin and chitosan, here, recent developments in multiscale-dependent material properties and their applications are highlighted; immune, medical, reinforcing, adhesive, green electrochemical materials, biological scaffolds, and sustainable food packaging are discussed considering the size, shape, and assembly of chitin nanostructures. In summary, new perspectives for the development of sustainable advanced functional materials based on nanochitin and nanochitosan by understanding and engineering their multiscale properties are described.
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Affiliation(s)
- Suyoung Lee
- Division of Environmental Science and Engineering, Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Pohang, 37673, Republic of Korea
| | - Lam Tan Hao
- Research Center for Bio-Based Chemistry, Korea Research Institute of Chemical Technology (KRICT), Ulsan, 44429, Republic of Korea
- Advanced Materials and Chemical Engineering, University of Science and Technology (UST), Daejeon, 34113, Republic of Korea
| | - Jeyoung Park
- Division of Environmental Science and Engineering, Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Pohang, 37673, Republic of Korea
- Research Center for Bio-Based Chemistry, Korea Research Institute of Chemical Technology (KRICT), Ulsan, 44429, Republic of Korea
- Advanced Materials and Chemical Engineering, University of Science and Technology (UST), Daejeon, 34113, Republic of Korea
| | - Dongyeop X Oh
- Research Center for Bio-Based Chemistry, Korea Research Institute of Chemical Technology (KRICT), Ulsan, 44429, Republic of Korea
- Advanced Materials and Chemical Engineering, University of Science and Technology (UST), Daejeon, 34113, Republic of Korea
| | - Dong Soo Hwang
- Division of Environmental Science and Engineering, Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Pohang, 37673, Republic of Korea
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20
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Zhang Z, Conniot J, Amorim J, Jin Y, Prasad R, Yan X, Fan K, Conde J. Nucleic acid-based therapy for brain cancer: Challenges and strategies. J Control Release 2022; 350:80-92. [PMID: 35970297 DOI: 10.1016/j.jconrel.2022.08.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 07/26/2022] [Accepted: 08/09/2022] [Indexed: 10/15/2022]
Abstract
Nucleic acid-based therapy emerges as a powerful weapon for the treatment of tumors thanks to its direct, effective, and lasting therapeutic effect. Encouragingly, continuous nucleic acid-based drugs have been approved by the Food and Drug Administration (FDA) and the European Medicines Agency (EMA). Despite the tremendous progress, there are few nucleic acid-based drugs for brain tumors in clinic. The most challenging problems lie on the instability of nucleic acids, difficulty in traversing the biological barriers, and the off-target effect. Herein, nucleic acid-based therapy for brain tumor is summarized considering three aspects: (i) the therapeutic nucleic acids and their applications in clinical trials; (ii) the various administration routes for nucleic acid delivery and the respective advantages and drawbacks. (iii) the strategies and carriers for improving stability and targeting ability of nucleic acid drugs. This review provides thorough knowledge for the rational design of nucleic acid-based drugs against brain tumor.
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Affiliation(s)
- Zixia Zhang
- CAS Engineering Laboratory for Nanozyme, Key Laboratory of Protein and Peptide Pharmaceutical, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100408, China
| | - João Conniot
- ToxOmics, NOVA Medical School
- Faculdade de Ciências Médicas, NMS
- FCM, Universidade Nova de Lisboa, 1169-056 Lisboa, Portugal
| | - Joana Amorim
- ToxOmics, NOVA Medical School
- Faculdade de Ciências Médicas, NMS
- FCM, Universidade Nova de Lisboa, 1169-056 Lisboa, Portugal
| | - Yiliang Jin
- CAS Engineering Laboratory for Nanozyme, Key Laboratory of Protein and Peptide Pharmaceutical, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Rajendra Prasad
- Department of Mechanical Engineering, Tufts University, Medford, MA 02155, USA
| | - Xiyun Yan
- CAS Engineering Laboratory for Nanozyme, Key Laboratory of Protein and Peptide Pharmaceutical, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100408, China; Nanozyme Medical Center, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450052, China.
| | - Kelong Fan
- CAS Engineering Laboratory for Nanozyme, Key Laboratory of Protein and Peptide Pharmaceutical, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100408, China; Nanozyme Medical Center, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450052, China.
| | - João Conde
- ToxOmics, NOVA Medical School
- Faculdade de Ciências Médicas, NMS
- FCM, Universidade Nova de Lisboa, 1169-056 Lisboa, Portugal.
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21
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Asija S, Chatterjee A, Yadav S, Chekuri G, Karulkar A, Jaiswal AK, Goda JS, Purwar R. Combinatorial approaches to effective therapy in glioblastoma (GBM): Current status and what the future holds. Int Rev Immunol 2022; 41:582-605. [PMID: 35938932 DOI: 10.1080/08830185.2022.2101647] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
The aggressive and recurrent nature of glioblastoma is multifactorial and has been attributed to its biological heterogeneity, dysfunctional metabolic signaling pathways, rigid blood-brain barrier, inherent resistance to standard therapy due to the stemness property of the gliomas cells, immunosuppressive tumor microenvironment, hypoxia and neoangiogenesis which are very well orchestrated and create the tumor's own highly pro-tumorigenic milieu. Once the relay of events starts amongst these components, eventually it becomes difficult to control the cascade using only the balanced contemporary care of treatment consisting of maximal resection, radiotherapy and chemotherapy with temozolamide. Over the past few decades, implementation of contemporary treatment modalities has shown benefit to some extent, but no significant overall survival benefit is achieved. Therefore, there is an unmet need for advanced multifaceted combinatorial strategies. Recent advances in molecular biology, development of innovative therapeutics and novel delivery platforms over the years has resulted in a paradigm shift in gliomas therapeutics. Decades of research has led to emergence of several treatment molecules, including immunotherapies such as immune checkpoint blockade, oncolytic virotherapy, adoptive cell therapy, nanoparticles, CED and BNCT, each with the unique proficiency to overcome the mentioned challenges, present research. Recent years are seeing innovative combinatorial strategies to overcome the multifactorial resistance put forth by the GBM cell and its TME. This review discusses the contemporary and the investigational combinatorial strategies being employed to treat GBM and summarizes the evidence accumulated till date.
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Affiliation(s)
- Sweety Asija
- Department of Biosciences & Bioengineering, Indian Institute of Technology, Mumbai, India
| | - Abhishek Chatterjee
- Department of Radiation Oncology, Tata Memorial Center, Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Sandhya Yadav
- Department of Radiation Oncology, Tata Memorial Center, Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Godhanjali Chekuri
- Department of Radiation Oncology, Tata Memorial Center, Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Atharva Karulkar
- Department of Biosciences & Bioengineering, Indian Institute of Technology, Mumbai, India
| | - Ankesh Kumar Jaiswal
- Department of Biosciences & Bioengineering, Indian Institute of Technology, Mumbai, India
| | - Jayant S Goda
- Department of Radiation Oncology, Tata Memorial Center, Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Rahul Purwar
- Department of Biosciences & Bioengineering, Indian Institute of Technology, Mumbai, India
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22
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Functionalized chitosan as a promising platform for cancer immunotherapy: A review. Carbohydr Polym 2022; 290:119452. [DOI: 10.1016/j.carbpol.2022.119452] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 03/30/2022] [Accepted: 03/30/2022] [Indexed: 12/20/2022]
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23
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Fekrirad Z, Barzegar Behrooz A, Ghaemi S, Khosrojerdi A, Zarepour A, Zarrabi A, Arefian E, Ghavami S. Immunology Meets Bioengineering: Improving the Effectiveness of Glioblastoma Immunotherapy. Cancers (Basel) 2022; 14:3698. [PMID: 35954362 PMCID: PMC9367505 DOI: 10.3390/cancers14153698] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/11/2022] [Accepted: 07/27/2022] [Indexed: 11/17/2022] Open
Abstract
Glioblastoma (GBM) therapy has seen little change over the past two decades. Surgical excision followed by radiation and chemotherapy is the current gold standard treatment. Immunotherapy techniques have recently transformed many cancer treatments, and GBM is now at the forefront of immunotherapy research. GBM immunotherapy prospects are reviewed here, with an emphasis on immune checkpoint inhibitors and oncolytic viruses. Various forms of nanomaterials to enhance immunotherapy effectiveness are also discussed. For GBM treatment and immunotherapy, we outline the specific properties of nanomaterials. In addition, we provide a short overview of several 3D (bio)printing techniques and their applications in stimulating the GBM microenvironment. Lastly, the susceptibility of GBM cancer cells to the various immunotherapy methods will be addressed.
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Affiliation(s)
- Zahra Fekrirad
- Department of Biology, Faculty of Basic Sciences, Shahed University, Tehran 18735-136, Iran;
| | - Amir Barzegar Behrooz
- Brain Cancer Research Group, Department of Cancer, Asu Vanda Gene Industrial Research Company, Tehran 1533666398, Iran;
| | - Shokoofeh Ghaemi
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran 14155-6619, Iran;
| | - Arezou Khosrojerdi
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand 9717853577, Iran;
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran 14115-111, Iran
| | - Atefeh Zarepour
- Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Istanbul 34396, Turkey;
| | - Ali Zarrabi
- Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Istanbul 34396, Turkey;
| | - Ehsan Arefian
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran 14155-6619, Iran;
- Pediatric Cell and Gene Therapy Research Center, Gene, Cell & Tissue Research Institute, Tehran University of Medical Sciences, Tehran 14155-6559, Iran
| | - Saeid Ghavami
- Faculty of Medicine in Zabrze, University of Technology in Katowice, Academia of Silesia, 41-800 Zabrze, Poland
- Research Institute of Oncology and Hematology, Cancer Care Manitoba-University of Manitoba, Winnipeg, MB R3E 3P5, Canada
- Biology of Breathing Theme, Children Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, MB R3E 3P5, Canada
- Department of Human Anatomy and Cell Science, University of Manitoba College of Medicine, Winnipeg, MB R3E 3P5, Canada
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24
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Guda MR, Tsung AJ, Asuthkar S, Velpula KK. Galectin-1 activates carbonic anhydrase IX and modulates glioma metabolism. Cell Death Dis 2022; 13:574. [PMID: 35773253 PMCID: PMC9247167 DOI: 10.1038/s41419-022-05024-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 06/10/2022] [Accepted: 06/14/2022] [Indexed: 01/21/2023]
Abstract
Galectins are a family of β-galactose-specific binding proteins residing within the cytosol or nucleus, with a highly conserved carbohydrate recognition domain across many species. Accumulating evidence shows that Galectin 1 (Gal-1) plays an essential role in cancer, and its expression correlates with tumor aggressiveness and progression. Our preliminary data showed Gal-1 promotes glioma stem cell (GSC) growth via increased Warburg effect. mRNA expression and clinical data were obtained from The Cancer Genome Atlas database. The immunoblot analysis conducted using our cohort of human glioblastoma patient specimens (hGBM), confirmed Gal-1 upregulation in GBM. GC/MS analysis to evaluate the effects of Gal-1 depletion showed elevated levels of α-ketoglutaric acid, and citric acid with a concomitant reduction in lactic acid levels. Using Biolog microplate-1 mitochondrial functional assay, we confirmed that the depletion of Gal-1 increases the expression levels of the enzymes from the TCA cycle, suggesting a reversal of the Warburg phenotype. Manipulation of Gal-1 using RNA interference showed reduced ATP, lactate levels, cell viability, colony-forming abilities, and increased expression levels of genes implicated in the induction of apoptosis. Gal-1 exerts its metabolic role via regulating the expression of carbonic anhydrase IX (CA-IX), a surrogate marker for hypoxia. CA-IX functions downstream to Gal-1, and co-immunoprecipitation experiments along with proximity ligation assays confirm that Gal-1 physically associates with CA-IX to regulate its expression. Further, silencing of Gal-1 in mice models showed reduced tumor burden and increased survival compared to the mice implanted with GSC controls. Further investigation of Gal-1 in GSC progression and metabolic reprogramming is warranted.
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Affiliation(s)
- Maheedhara R. Guda
- grid.430852.80000 0001 0741 4132Department of Cancer Biology and Pharmacology, University of Illinois College of Medicine at Peoria, Peoria, IL USA
| | - Andrew J. Tsung
- grid.430852.80000 0001 0741 4132Department of Cancer Biology and Pharmacology, University of Illinois College of Medicine at Peoria, Peoria, IL USA ,grid.430852.80000 0001 0741 4132Department of Neurosurgery, University of Illinois College of Medicine at Peoria, Peoria, IL USA ,Illinois Neurological Institute, Peoria, IL USA
| | - Swapna Asuthkar
- grid.430852.80000 0001 0741 4132Department of Cancer Biology and Pharmacology, University of Illinois College of Medicine at Peoria, Peoria, IL USA
| | - Kiran K. Velpula
- grid.430852.80000 0001 0741 4132Department of Cancer Biology and Pharmacology, University of Illinois College of Medicine at Peoria, Peoria, IL USA ,grid.430852.80000 0001 0741 4132Department of Neurosurgery, University of Illinois College of Medicine at Peoria, Peoria, IL USA ,grid.430852.80000 0001 0741 4132Department of Pediatrics, University of Illinois College of Medicine at Peoria, Peoria, IL USA
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25
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Almasabi S, Boyd R, Ahmed AU, Williams BRG. Integrin-Linked Kinase Expression Characterizes the Immunosuppressive Tumor Microenvironment in Colorectal Cancer and Regulates PD-L1 Expression and Immune Cell Cytotoxicity. Front Oncol 2022; 12:836005. [PMID: 35692780 PMCID: PMC9174997 DOI: 10.3389/fonc.2022.836005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/22/2022] [Indexed: 11/13/2022] Open
Abstract
Integrin-linked kinase (ILK) has been implicated as a molecular driver and mediator in both inflammation and tumorigenesis of the colon. However, a role for ILK in the tumor microenvironment (TME) and immune evasion has not been investigated. Here, we show a correlation of ILK expression with the immunosuppressive TME and cancer prognosis. We also uncover a role for ILK in the regulation of programmed death-ligand 1 (PD-L1) expression and immune cell cytotoxicity. Interrogation of web-based data-mining platforms, showed upregulation of ILK expression in tumors and adjacent-non tumor tissue of colorectal cancer (CRC) associated with poor survival and advanced stages. ILK expression was correlated with cancer-associated fibroblast (CAFs) and immunosuppressive cell infiltration including regulatory T cells (Treg) and M2 macrophages (M2) in addition to their gene markers. ILK expression was also significantly correlated with the expression of different cytokines and chemokines. ILK expression showed pronounced association with different important immune checkpoints including PD-L1. Deletion of the ILK gene in PD-L1 positive CRC cell lines using a doxycycline inducible-CRISPR/Cas9, resulted in suppression of both the basal and IFNγ-induced PD-L1 expression via downregulating NF-κB p65. This subsequently sensitized the CRC cells to NK92 immune cell cytotoxicity. These findings suggest that ILK can be used as a biomarker for prognosis and immune cell infiltration in colon cancer. Moreover, ILK could provide a therapeutic target to prevent immune evasion mediated by the expression of PD-L1.
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Affiliation(s)
- Saleh Almasabi
- Cancer and Innate Immunity, Centre for Cancer Research, Hudson Institute of Medical Research, Monash University, Clayton, VIC, Australia.,Cartherics, Hudson Institute of Medical Research, Monash University, Clayton, VIC, Australia.,Clinical Laboratory Sciences, Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Richard Boyd
- Cartherics, Hudson Institute of Medical Research, Monash University, Clayton, VIC, Australia
| | - Afsar U Ahmed
- Cancer and Innate Immunity, Centre for Cancer Research, Hudson Institute of Medical Research, Monash University, Clayton, VIC, Australia
| | - Bryan R G Williams
- Cancer and Innate Immunity, Centre for Cancer Research, Hudson Institute of Medical Research, Monash University, Clayton, VIC, Australia
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26
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Glycan-Lectin Interactions as Novel Immunosuppression Drivers in Glioblastoma. Int J Mol Sci 2022; 23:ijms23116312. [PMID: 35682991 PMCID: PMC9181495 DOI: 10.3390/ijms23116312] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/23/2022] [Accepted: 06/03/2022] [Indexed: 02/04/2023] Open
Abstract
Despite diagnostic and therapeutic improvements, glioblastoma (GB) remains one of the most threatening brain tumor in adults, underlining the urgent need of new therapeutic targets. Lectins are glycan-binding proteins that regulate several biological processes through the recognition of specific sugar motifs. Lectins and their ligands are found on immune cells, endothelial cells and, also, tumor cells, pointing out a strong correlation among immunity, tumor microenvironment and vascularization. In GB, altered glycans and lectins contribute to tumor progression and immune evasion, shaping the tumor-immune landscape promoting immunosuppressive cell subsets, such as myeloid-derived suppressor cells (MDSCs) and M2-macrophages, and affecting immunoeffector populations, such as CD8+ T cells and dendritic cells (DCs). Here, we discuss the latest knowledge on the immune cells, immune related lectin receptors (C-type lectins, Siglecs, galectins) and changes in glycosylation that are involved in immunosuppressive mechanisms in GB, highlighting their interest as possible novel therapeutical targets.
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27
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Zha S, Wong K, All AH. Intranasal Delivery of Functionalized Polymeric Nanomaterials to the Brain. Adv Healthc Mater 2022; 11:e2102610. [PMID: 35166052 DOI: 10.1002/adhm.202102610] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/30/2022] [Indexed: 12/16/2022]
Abstract
Intravenous delivery of nanomaterials containing therapeutic agents and various cargos for treating neurological disorders is often constrained by low delivery efficacy due to difficulties in passing the blood-brain barrier (BBB). Nanoparticles (NPs) administered intranasally can move along olfactory and trigeminal nerves so that they do not need to pass through the BBB, allowing non-invasive, direct access to selective neural pathways within the brain. Hence, intranasal (IN) administration of NPs can effectively deliver drugs and genes into targeted regions of the brain, holding potential for efficacious disease treatment in the central nervous system (CNS). In this review, current methods for delivering conjugated NPs to the brain are primarily discussed. Distinctive potential mechanisms of therapeutic nanocomposites delivered via IN pathways to the brain are then discussed. Recent progress in developing functional NPs for applications in multimodal bioimaging, drug delivery, diagnostics, and therapeutics is also reviewed. This review is then concluded by discussing existing challenges, new directions, and future perspectives in IN delivery of nanomaterials.
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Affiliation(s)
- Shuai Zha
- Department of Chemistry Hong Kong Baptist University 224 Waterloo Road Kowloon Hong Kong SAR 000000 P. R. China
- Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hung Hom Hong Kong SAR 000000 P. R. China
| | - Ka‐Leung Wong
- Department of Chemistry Hong Kong Baptist University 224 Waterloo Road Kowloon Hong Kong SAR 000000 P. R. China
| | - Angelo H. All
- Department of Chemistry Hong Kong Baptist University 224 Waterloo Road Kowloon Hong Kong SAR 000000 P. R. China
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28
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Watchorn J, Clasky AJ, Prakash G, Johnston IAE, Chen PZ, Gu FX. Untangling Mucosal Drug Delivery: Engineering, Designing, and Testing Nanoparticles to Overcome the Mucus Barrier. ACS Biomater Sci Eng 2022; 8:1396-1426. [PMID: 35294187 DOI: 10.1021/acsbiomaterials.2c00047] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Mucus is a complex viscoelastic gel and acts as a barrier covering much of the soft tissue in the human body. High vascularization and accessibility have motivated drug delivery to various mucosal surfaces; however, these benefits are hindered by the mucus layer. To overcome the mucus barrier, many nanomedicines have been developed, with the goal of improving the efficacy and bioavailability of drug payloads. Two major nanoparticle-based strategies have emerged to facilitate mucosal drug delivery, namely, mucoadhesion and mucopenetration. Generally, mucoadhesive nanoparticles promote interactions with mucus for immobilization and sustained drug release, whereas mucopenetrating nanoparticles diffuse through the mucus and enhance drug uptake. The choice of strategy depends on many factors pertaining to the structural and compositional characteristics of the target mucus and mucosa. While there have been promising results in preclinical studies, mucus-nanoparticle interactions remain poorly understood, thus limiting effective clinical translation. This article reviews nanomedicines designed with mucoadhesive or mucopenetrating properties for mucosal delivery, explores the influence of site-dependent physiological variation among mucosal surfaces on efficacy, transport, and bioavailability, and discusses the techniques and models used to investigate mucus-nanoparticle interactions. The effects of non-homeostatic perturbations on protein corona formation, mucus composition, and nanoparticle performance are discussed in the context of mucosal delivery. The complexity of the mucosal barrier necessitates consideration of the interplay between nanoparticle design, tissue-specific differences in mucus structure and composition, and homeostatic or disease-related changes to the mucus barrier to develop effective nanomedicines for mucosal delivery.
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Affiliation(s)
- Jeffrey Watchorn
- Department of Chemical Engineering & Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada
| | - Aaron J Clasky
- Department of Chemical Engineering & Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada
| | - Gayatri Prakash
- Department of Chemical Engineering & Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada
| | - Ian A E Johnston
- Department of Chemical Engineering & Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada
| | - Paul Z Chen
- Department of Chemical Engineering & Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada
| | - Frank X Gu
- Department of Chemical Engineering & Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada.,Institute of Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada
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29
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Borrajo ML, Alonso MJ. Using nanotechnology to deliver biomolecules from nose to brain - peptides, proteins, monoclonal antibodies and RNA. Drug Deliv Transl Res 2022; 12:862-880. [PMID: 34731414 PMCID: PMC8888512 DOI: 10.1007/s13346-021-01086-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/20/2021] [Indexed: 02/06/2023]
Abstract
There is a growing number of biomolecules, including peptides, proteins, monoclonal antibodies and RNA, that could be potentially used for the treatment of central nervous system (CNS) diseases. However, the realization of their potential is being hampered by the extraordinary difficulties these complex biomolecules have to reach the brain in therapeutically meaningful amounts. Nose-to-brain (N-to-B) delivery is now being investigated as a potential option for the direct transport of biomolecules from the nasal cavity to different brain areas. Here, we discuss how different technological approaches enhance this N-to-B transport, with emphasis on those that have shown a potential for clinical translation. We also analyse how the physicochemical properties of nanocarriers and their modification with cell-penetrating peptides (CPPs) and targeting ligands affect their efficacy as N-to-B carriers for biomolecules.
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Affiliation(s)
- Mireya L Borrajo
- Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), Universidade de Santiago de Compostela, Av. Barcelona s/n, Campus Vida, 15782, Santiago de Compostela, Spain
| | - María José Alonso
- Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), Universidade de Santiago de Compostela, Av. Barcelona s/n, Campus Vida, 15782, Santiago de Compostela, Spain.
- Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy, Universidade de Santiago de Compostela, 15782, Santiago de Compostela, Spain.
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Crowe TP, Hsu WH. Evaluation of Recent Intranasal Drug Delivery Systems to the Central Nervous System. Pharmaceutics 2022; 14:629. [PMID: 35336004 PMCID: PMC8950509 DOI: 10.3390/pharmaceutics14030629] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/06/2022] [Accepted: 03/09/2022] [Indexed: 01/27/2023] Open
Abstract
Neurological diseases continue to increase in prevalence worldwide. Combined with the lack of modifiable risk factors or strongly efficacious therapies, these disorders pose a significant and growing burden on healthcare systems and societies. The development of neuroprotective or curative therapies is limited by a variety of factors, but none more than the highly selective blood-brain barrier. Intranasal administration can bypass this barrier completely and allow direct access to brain tissues, enabling a large number of potential new therapies ranging from bioactive peptides to stem cells. Current research indicates that merely administering simple solutions is inefficient and may limit therapeutic success. While many therapies can be delivered to some degree without carrier molecules or significant modification, a growing body of research has indicated several methods of improving the safety and efficacy of this administration route, such as nasal permeability enhancers, gelling agents, or nanocarrier formulations. This review shall discuss promising delivery systems and their role in expanding the clinical efficacy of this novel administration route. Optimization of intranasal administration will be crucial as novel therapies continue to be studied in clinical trials and approved to meet the growing demand for the treatment of patients with neurological diseases.
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Affiliation(s)
- Tyler P. Crowe
- Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA;
| | - Walter H. Hsu
- Department of Biomedical Sciences, Iowa State University, Ames, IA 50011, USA
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Quader S, Kataoka K, Cabral H. Nanomedicine for brain cancer. Adv Drug Deliv Rev 2022; 182:114115. [PMID: 35077821 DOI: 10.1016/j.addr.2022.114115] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 12/18/2021] [Accepted: 01/12/2022] [Indexed: 02/06/2023]
Abstract
CNS tumors remain among the deadliest forms of cancer, resisting conventional and new treatment approaches, with mortality rates staying practically unchanged over the past 30 years. One of the primary hurdles for treating these cancers is delivering drugs to the brain tumor site in therapeutic concentration, evading the blood-brain (tumor) barrier (BBB/BBTB). Supramolecular nanomedicines (NMs) are increasingly demonstrating noteworthy prospects for addressing these challenges utilizing their unique characteristics, such as improving the bioavailability of the payloadsviacontrolled pharmacokinetics and pharmacodynamics, BBB/BBTB crossing functions, superior distribution in the brain tumor site, and tumor-specific drug activation profiles. Here, we review NM-based brain tumor targeting approaches to demonstrate their applicability and translation potential from different perspectives. To this end, we provide a general overview of brain tumor and their treatments, the incidence of the BBB and BBTB, and their role on NM targeting, as well as the potential of NMs for promoting superior therapeutic effects. Additionally, we discuss critical issues of NMs and their clinical trials, aiming to bolster the potential clinical applications of NMs in treating these life-threatening diseases.
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Affiliation(s)
- Sabina Quader
- Innovation Center of NanoMedicine, Kawasaki Institute of Industrial Promotion, 3-25-14 Tonomachi, Kawasaki-ku, Kawasaki 212-0821, Japan
| | - Kazunori Kataoka
- Innovation Center of NanoMedicine, Kawasaki Institute of Industrial Promotion, 3-25-14 Tonomachi, Kawasaki-ku, Kawasaki 212-0821, Japan.
| | - Horacio Cabral
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
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Videla-Richardson GA, Morris-Hanon O, Torres NI, Esquivel MI, Vera MB, Ripari LB, Croci DO, Sevlever GE, Rabinovich GA. Galectins as Emerging Glyco-Checkpoints and Therapeutic Targets in Glioblastoma. Int J Mol Sci 2021; 23:ijms23010316. [PMID: 35008740 PMCID: PMC8745137 DOI: 10.3390/ijms23010316] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/02/2021] [Accepted: 12/03/2021] [Indexed: 02/08/2023] Open
Abstract
Despite recent advances in diagnosis and treatment, glioblastoma (GBM) represents the most common and aggressive brain tumor in the adult population, urging identification of new rational therapeutic targets. Galectins, a family of glycan-binding proteins, are highly expressed in the tumor microenvironment (TME) and delineate prognosis and clinical outcome in patients with GBM. These endogenous lectins play key roles in different hallmarks of cancer by modulating tumor cell proliferation, oncogenic signaling, migration, vascularization and immunity. Additionally, they have emerged as mediators of resistance to different anticancer treatments, including chemotherapy, radiotherapy, immunotherapy, and antiangiogenic therapy. Particularly in GBM, galectins control tumor cell transformation and proliferation, reprogram tumor cell migration and invasion, promote vascularization, modulate cell death pathways, and shape the tumor-immune landscape by targeting myeloid, natural killer (NK), and CD8+ T cell compartments. Here, we discuss the role of galectins, particularly galectin-1, -3, -8, and -9, as emerging glyco-checkpoints that control different mechanisms associated with GBM progression, and discuss possible therapeutic opportunities based on inhibition of galectin-driven circuits, either alone or in combination with other treatment modalities.
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Affiliation(s)
- Guillermo A. Videla-Richardson
- Laboratorio de Investigación Aplicada en Neurociencias (LIAN), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Fundación para la Lucha contra las Enfermedades Neurológicas de la Infancia (FLENI), Belén de Escobar B1625, Argentina; (G.A.V.-R.); (O.M.-H.); (M.I.E.); (M.B.V.); (L.B.R.); (G.E.S.)
| | - Olivia Morris-Hanon
- Laboratorio de Investigación Aplicada en Neurociencias (LIAN), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Fundación para la Lucha contra las Enfermedades Neurológicas de la Infancia (FLENI), Belén de Escobar B1625, Argentina; (G.A.V.-R.); (O.M.-H.); (M.I.E.); (M.B.V.); (L.B.R.); (G.E.S.)
| | - Nicolás I. Torres
- Laboratorio de Glicomedicina, Instituto de Biología y Medicina Experimental (IBYME), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires C1428, Argentina;
| | - Myrian I. Esquivel
- Laboratorio de Investigación Aplicada en Neurociencias (LIAN), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Fundación para la Lucha contra las Enfermedades Neurológicas de la Infancia (FLENI), Belén de Escobar B1625, Argentina; (G.A.V.-R.); (O.M.-H.); (M.I.E.); (M.B.V.); (L.B.R.); (G.E.S.)
| | - Mariana B. Vera
- Laboratorio de Investigación Aplicada en Neurociencias (LIAN), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Fundación para la Lucha contra las Enfermedades Neurológicas de la Infancia (FLENI), Belén de Escobar B1625, Argentina; (G.A.V.-R.); (O.M.-H.); (M.I.E.); (M.B.V.); (L.B.R.); (G.E.S.)
| | - Luisina B. Ripari
- Laboratorio de Investigación Aplicada en Neurociencias (LIAN), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Fundación para la Lucha contra las Enfermedades Neurológicas de la Infancia (FLENI), Belén de Escobar B1625, Argentina; (G.A.V.-R.); (O.M.-H.); (M.I.E.); (M.B.V.); (L.B.R.); (G.E.S.)
| | - Diego O. Croci
- Laboratorio de Inmunopatología, Instituto de Histología y Embriología de Mendoza (IHEM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mendoza C5500, Argentina;
| | - Gustavo E. Sevlever
- Laboratorio de Investigación Aplicada en Neurociencias (LIAN), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Fundación para la Lucha contra las Enfermedades Neurológicas de la Infancia (FLENI), Belén de Escobar B1625, Argentina; (G.A.V.-R.); (O.M.-H.); (M.I.E.); (M.B.V.); (L.B.R.); (G.E.S.)
| | - Gabriel A. Rabinovich
- Laboratorio de Glicomedicina, Instituto de Biología y Medicina Experimental (IBYME), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires C1428, Argentina;
- Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires C1428, Argentina
- Correspondence: ; Tel.: +54-11-4783-2869 (ext. 266)
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Thangam R, Paulmurugan R, Kang H. Functionalized Nanomaterials as Tailored Theranostic Agents in Brain Imaging. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 12:18. [PMID: 35009968 PMCID: PMC8746658 DOI: 10.3390/nano12010018] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 12/19/2021] [Accepted: 12/20/2021] [Indexed: 12/15/2022]
Abstract
Functionalized nanomaterials of various categories are essential for developing cancer nano-theranostics for brain diseases; however, some limitations exist in their effectiveness and clinical translation, such as toxicity, limited tumor penetration, and inability to cross blood-brain and blood-tumor barriers. Metal nanomaterials with functional fluorescent tags possess unique properties in improving their functional properties, including surface plasmon resonance (SPR), superparamagnetism, and photo/bioluminescence, which facilitates imaging applications in addition to their deliveries. Moreover, these multifunctional nanomaterials could be synthesized through various chemical modifications on their physical surfaces via attaching targeting peptides, fluorophores, and quantum dots (QD), which could improve the application of these nanomaterials by facilitating theranostic modalities. In addition to their inherent CT (Computed Tomography), MRI (Magnetic Resonance Imaging), PAI (Photo-acoustic imaging), and X-ray contrast imaging, various multifunctional nanoparticles with imaging probes serve as brain-targeted imaging candidates in several imaging modalities. The primary criteria of these functional nanomaterials for translational application to the brain must be zero toxicity. Moreover, the beneficial aspects of nano-theranostics of nanoparticles are their multifunctional systems proportioned towards personalized disease management via comprising diagnostic and therapeutic abilities in a single biodegradable nanomaterial. This review highlights the emerging aspects of engineered nanomaterials to reach and deliver therapeutics to the brain and how to improve this by adopting the imaging modalities for theranostic applications.
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Affiliation(s)
- Ramar Thangam
- Department of Materials Science and Engineering, College of Engineering, Korea University, Seoul 02841, Korea
- Institute for High Technology Materials and Devices, Korea University, Seoul 02841, Korea
| | - Ramasamy Paulmurugan
- Molecular Imaging Program at Stanford (MIPS), Department of Radiology, Stanford University School of Medicine, Stanford University, Palo Alto, CA 94304, USA;
- Molecular Imaging Program at Stanford, Canary Center at Stanford for Cancer Early Detection, Stanford University School of Medicine, Stanford University, Palo Alto, CA 94304, USA
| | - Heemin Kang
- Department of Materials Science and Engineering, College of Engineering, Korea University, Seoul 02841, Korea
- Institute for High Technology Materials and Devices, Korea University, Seoul 02841, Korea
- Department of Biomicrosystem Technology, College of Engineering, Korea University, Seoul 02841, Korea
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Abadi B, Yazdanpanah N, Nokhodchi A, Rezaei N. Smart biomaterials to enhance the efficiency of immunotherapy in glioblastoma: State of the art and future perspectives. Adv Drug Deliv Rev 2021; 179:114035. [PMID: 34740765 DOI: 10.1016/j.addr.2021.114035] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 10/20/2021] [Accepted: 10/28/2021] [Indexed: 12/15/2022]
Abstract
Glioblastoma multiform (GBM) is considered as the most lethal tumor among CNS malignancies. Although immunotherapy has achieved remarkable advances in cancer treatment, it has not shown satisfactory results in GBM patients. Biomaterial science, along with nanobiotechnology, is able to optimize the efficiency of immunotherapy in these patients. They can be employed to provide the specific activation of immune cells in tumor tissue and combinational therapy as well as preventing systemic adverse effects resulting from hyperactivation of immune responses and off-targeting effect. Advance biomaterials in this field are classified into targeting nanocarriers and localized delivery systems. This review will offer an overview of immunotherapy strategies for glioblastoma and advance delivery systems for immunotherapeutics that may have a high potential in glioblastoma treatment.
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Karlsson J, Luly KM, Tzeng SY, Green JJ. Nanoparticle designs for delivery of nucleic acid therapeutics as brain cancer therapies. Adv Drug Deliv Rev 2021; 179:113999. [PMID: 34715258 PMCID: PMC8720292 DOI: 10.1016/j.addr.2021.113999] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 08/06/2021] [Accepted: 10/05/2021] [Indexed: 12/18/2022]
Abstract
Glioblastoma (GBM) is an aggressive central nervous system cancer with a dismal prognosis. The standard of care involves surgical resection followed by radiotherapy and chemotherapy, but five-year survival is only 5.6% despite these measures. Novel therapeutic approaches, such as immunotherapies, targeted therapies, and gene therapies, have been explored to attempt to extend survival for patients. Nanoparticles have been receiving increasing attention as promising vehicles for non-viral nucleic acid delivery in the context of GBM, though delivery is often limited by low blood-brain barrier permeability, particle instability, and low trafficking to target brain structures and cells. In this review, nanoparticle design considerations and new advances to overcome nucleic acid delivery challenges to treat brain cancer are summarized and discussed.
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Affiliation(s)
- Johan Karlsson
- Department of Biomedical Engineering, Institute for NanoBioTechnology, and the Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Kathryn M. Luly
- Department of Biomedical Engineering, Institute for NanoBioTechnology, and the Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Stephany Y. Tzeng
- Department of Biomedical Engineering, Institute for NanoBioTechnology, and the Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Jordan J. Green
- Department of Biomedical Engineering, Institute for NanoBioTechnology, and the Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
- Departments of Ophthalmology, Oncology, Neurosurgery, Materials Science & Engineering, and Chemical & Biomolecular Engineering, and the Bloomberg~Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
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Ajarrag S, St-Pierre Y. Galectins in Glioma: Current Roles in Cancer Progression and Future Directions for Improving Treatment. Cancers (Basel) 2021; 13:cancers13215533. [PMID: 34771696 PMCID: PMC8582867 DOI: 10.3390/cancers13215533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 10/26/2021] [Accepted: 10/27/2021] [Indexed: 11/29/2022] Open
Abstract
Simple Summary Glioblastomas are among the most common and aggressive brain tumors. The high rate of recurrence and mortality associated with this cancer underscores the need for the development of new therapeutical targets. Galectins are among the new targets that have attracted the attention of many scientists working in the field of cancer. They form a group of small proteins found in many tissues where they accomplish various physiological roles, including regulation of immune response and resistance to cell death. In many types of cancer, however, production of abnormally high levels of galectins by cancer cells can be detrimental to patients. Elevated levels of galectins can, for example, suppress the ability of the host’s immune system to kill cancer cells. They can also provide cancer cells with resistance to drugs-induced cell death. Here, we review the recent progress that has contributed to a better understanding of the mechanisms of actions of galectins in glioblastoma. We also discuss recent development of anti-galectin drugs and the challenges associated with their use in clinical settings, with particular attention to their role in reducing the efficacy of immunotherapy, a promising treatment that exploits the capacity of the immune system to recognize and kill cancer cells. Abstract Traditional wisdom suggests that galectins play pivotal roles at different steps in cancer progression. Galectins are particularly well known for their ability to increase the invasiveness of cancer cells and their resistance to drug-induced cell death. They also contribute to the development of local and systemic immunosuppression, allowing cancer cells to escape the host’s immunological defense. This is particularly true in glioma, the most common primary intracranial tumor. Abnormally high production of extracellular galectins in glioma contributes to the establishment of a strong immunosuppressive environment that favors immune escape and tumor progression. Considering the recent development and success of immunotherapy in halting cancer progression, it is logical to foresee that galectin-specific drugs may help to improve the success rate of immunotherapy for glioma. This provides a new perspective to target galectins, whose intracellular roles in cancer progression have already been investigated thoroughly. In this review, we discuss the mechanisms of action of galectins at different steps of glioma progression and the potential of galectin-specific drugs for the treatment of glioma.
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He Y, de Araújo Júnior RF, Cruz LJ, Eich C. Functionalized Nanoparticles Targeting Tumor-Associated Macrophages as Cancer Therapy. Pharmaceutics 2021; 13:1670. [PMID: 34683963 PMCID: PMC8540805 DOI: 10.3390/pharmaceutics13101670] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/02/2021] [Accepted: 10/05/2021] [Indexed: 12/12/2022] Open
Abstract
The tumor microenvironment (TME) plays a central role in regulating antitumor immune responses. As an important part of the TME, alternatively activated type 2 (M2) macrophages drive the development of primary and secondary tumors by promoting tumor cell proliferation, tumor angiogenesis, extracellular matrix remodeling and overall immunosuppression. Immunotherapy approaches targeting tumor-associated macrophages (TAMs) in order to reduce the immunosuppressive state in the TME have received great attention. Although these methods hold great potential for the treatment of several cancers, they also face some limitations, such as the fast degradation rate of drugs and drug-induced cytotoxicity of organs and tissues. Nanomedicine formulations that prevent TAM signaling and recruitment to the TME or deplete M2 TAMs to reduce tumor growth and metastasis represent encouraging novel strategies in cancer therapy. They allow the specific delivery of antitumor drugs to the tumor area, thereby reducing side effects associated with systemic application. In this review, we give an overview of TAM biology and the current state of nanomedicines that target M2 macrophages in the course of cancer immunotherapy, with a specific focus on nanoparticles (NPs). We summarize how different types of NPs target M2 TAMs, and how the physicochemical properties of NPs (size, shape, charge and targeting ligands) influence NP uptake by TAMs in vitro and in vivo in the TME. Furthermore, we provide a comparative analysis of passive and active NP-based TAM-targeting strategies and discuss their therapeutic potential.
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Affiliation(s)
- Yuanyuan He
- Translational Nanobiomaterials and Imaging (TNI) Group, Department of Radiology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands; (Y.H.); (R.F.d.A.J.)
| | - Raimundo Fernandes de Araújo Júnior
- Translational Nanobiomaterials and Imaging (TNI) Group, Department of Radiology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands; (Y.H.); (R.F.d.A.J.)
- Postgraduate Program in Health Science, Federal University of Rio Grande do Norte (UFRN), Natal 59064-720, Brazil
- Cancer and Inflammation Research Laboratory (LAICI), Postgraduate Program in Functional and Structural Biology, Department of Morphology, Federal University of Rio Grande do Norte (UFRN), Natal 59064-720, Brazil
- Percuros B.V., 2333 CL Leiden, The Netherlands
| | - Luis J. Cruz
- Translational Nanobiomaterials and Imaging (TNI) Group, Department of Radiology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands; (Y.H.); (R.F.d.A.J.)
| | - Christina Eich
- Translational Nanobiomaterials and Imaging (TNI) Group, Department of Radiology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands; (Y.H.); (R.F.d.A.J.)
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Unraveling How Tumor-Derived Galectins Contribute to Anti-Cancer Immunity Failure. Cancers (Basel) 2021; 13:cancers13184529. [PMID: 34572756 PMCID: PMC8469970 DOI: 10.3390/cancers13184529] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 08/16/2021] [Accepted: 08/24/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary This review compiles our current knowledge of one of the main pathways activated by tumors to escape immune attack. Indeed, it integrates the current understanding of how tumor-derived circulating galectins affect the elicitation of effective anti-tumor immunity. It focuses on several relevant topics: which are the main galectins produced by tumors, how soluble galectins circulate throughout biological liquids (taking a body-settled gradient concentration into account), the conditions required for the galectins’ functions to be accomplished at the tumor and tumor-distant sites, and how the physicochemical properties of the microenvironment in each tissue determine their functions. These are no mere semantic definitions as they define which functions can be performed in said tissues instead. Finally, we discuss the promising future of galectins as targets in cancer immunotherapy and some outstanding questions in the field. Abstract Current data indicates that anti-tumor T cell-mediated immunity correlates with a better prognosis in cancer patients. However, it has widely been demonstrated that tumor cells negatively manage immune attack by activating several immune-suppressive mechanisms. It is, therefore, essential to fully understand how lymphocytes are activated in a tumor microenvironment and, above all, how to prevent these cells from becoming dysfunctional. Tumors produce galectins-1, -3, -7, -8, and -9 as one of the major molecular mechanisms to evade immune control of tumor development. These galectins impact different steps in the establishment of the anti-tumor immune responses. Here, we carry out a critical dissection on the mechanisms through which tumor-derived galectins can influence the production and the functionality of anti-tumor T lymphocytes. This knowledge may help us design more effective immunotherapies to treat human cancers.
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Wu W, Klockow JL, Zhang M, Lafortune F, Chang E, Jin L, Wu Y, Daldrup-Link HE. Glioblastoma multiforme (GBM): An overview of current therapies and mechanisms of resistance. Pharmacol Res 2021; 171:105780. [PMID: 34302977 PMCID: PMC8384724 DOI: 10.1016/j.phrs.2021.105780] [Citation(s) in RCA: 203] [Impact Index Per Article: 67.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 07/18/2021] [Accepted: 07/19/2021] [Indexed: 12/21/2022]
Abstract
Glioblastoma multiforme (GBM) is a WHO grade IV glioma and the most common malignant, primary brain tumor with a 5-year survival of 7.2%. Its highly infiltrative nature, genetic heterogeneity, and protection by the blood brain barrier (BBB) have posed great treatment challenges. The standard treatment for GBMs is surgical resection followed by chemoradiotherapy. The robust DNA repair and self-renewing capabilities of glioblastoma cells and glioma initiating cells (GICs), respectively, promote resistance against all current treatment modalities. Thus, durable GBM management will require the invention of innovative treatment strategies. In this review, we will describe biological and molecular targets for GBM therapy, the current status of pharmacologic therapy, prominent mechanisms of resistance, and new treatment approaches. To date, medical imaging is primarily used to determine the location, size and macroscopic morphology of GBM before, during, and after therapy. In the future, molecular and cellular imaging approaches will more dynamically monitor the expression of molecular targets and/or immune responses in the tumor, thereby enabling more immediate adaptation of tumor-tailored, targeted therapies.
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Affiliation(s)
- Wei Wu
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University, Stanford, CA 94305, USA
| | - Jessica L Klockow
- Department of Radiation Oncology, Stanford University, Stanford, CA 94305, USA
| | - Michael Zhang
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University, Stanford, CA 94305, USA; Department of Neurosurgery, Stanford University, Stanford, CA 94305, USA
| | - Famyrah Lafortune
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University, Stanford, CA 94305, USA
| | - Edwin Chang
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University, Stanford, CA 94305, USA
| | - Linchun Jin
- Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, FL 32611, USA
| | - Yang Wu
- Department of Neuropathology, Institute of Pathology, Technical University of Munich, Munich, Bayern 81675, Germany
| | - Heike E Daldrup-Link
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University, Stanford, CA 94305, USA.
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Lin X, Fang Y, Jin X, Zhang M, Shi K. Modulating Repolarization of Tumor-Associated Macrophages with Targeted Therapeutic Nanoparticles as a Potential Strategy for Cancer Therapy. ACS APPLIED BIO MATERIALS 2021; 4:5871-5896. [PMID: 35006894 DOI: 10.1021/acsabm.1c00461] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
There are always some components in the tumor microenvironment (TME), such as tumor-associated macrophages (TAMs), that help tumor cells escape the body's immune surveillance. Therefore, this situation can lead to tumor growth, progression, and metastasis, resulting in low response rates for cancer therapy. Macrophages play an important role with strong plasticity and functional diversity. Facing different microenvironmental stimulations, macrophages undergo a dynamic change in phenotype and function into two major macrophage subpopulations, namely classical activation/inflammation (M1) and alternative activation/regeneration (M2) type. Through various signaling pathways, macrophages polarize into complex groups, which can perform different immune functions. In this review, we emphasize the use of nanopreparations for macrophage related immunotherapy based on the pathological knowledge of TAMs phenotype. These macrophages targeted nanoparticles re-edit and re-educate macrophages by attenuating M2 macrophages and reducing aggregation to the TME, thereby relieving or alleviating immunosuppression. Among them, we describe in detail the cellular mechanisms and regulators of several major signaling pathways involved in the plasticity and polarization functions of macrophages. The advantages and challenges of those nanotherapeutics for these pathways have been elucidated, providing the basis and insights for the diagnosis and treatment strategies of various diseases centered on macrophages.
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Affiliation(s)
- Xiaojie Lin
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning 117004, P. R. China
| | - Yan Fang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning 117004, P. R. China
| | - Xuechao Jin
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning 117004, P. R. China
| | - Mingming Zhang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning 117004, P. R. China
| | - Kai Shi
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 300350 Tianjin, China
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Sharma RK, Calderon C, Vivas-Mejia PE. Targeting Non-coding RNA for Glioblastoma Therapy: The Challenge of Overcomes the Blood-Brain Barrier. FRONTIERS IN MEDICAL TECHNOLOGY 2021; 3:678593. [PMID: 35047931 PMCID: PMC8757885 DOI: 10.3389/fmedt.2021.678593] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 07/16/2021] [Indexed: 12/12/2022] Open
Abstract
Glioblastoma (GBM) is the most malignant form of all primary brain tumors, and it is responsible for around 200,000 deaths each year worldwide. The standard therapy for GBM treatment includes surgical resection followed by temozolomide-based chemotherapy and/or radiotherapy. With this treatment, the median survival rate of GBM patients is only 15 months after its initial diagnosis. Therefore, novel and better treatment modalities for GBM treatment are urgently needed. Mounting evidence indicates that non-coding RNAs (ncRNAs) have critical roles as regulators of gene expression. Long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) are among the most studied ncRNAs in health and disease. Dysregulation of ncRNAs is observed in virtually all tumor types, including GBMs. Several dysregulated miRNAs and lncRNAs have been identified in GBM cell lines and GBM tumor samples. Some of them have been proposed as diagnostic and prognostic markers, and as targets for GBM treatment. Most ncRNA-based therapies use oligonucleotide RNA molecules which are normally of short life in circulation. Nanoparticles (NPs) have been designed to increase the half-life of oligonucleotide RNAs. An additional challenge faced not only by RNA oligonucleotides but for therapies designed for brain-related conditions, is the presence of the blood-brain barrier (BBB). The BBB is the anatomical barrier that protects the brain from undesirable agents. Although some NPs have been derivatized at their surface to cross the BBB, optimal NPs to deliver oligonucleotide RNA into GBM cells in the brain are currently unavailable. In this review, we describe first the current treatments for GBM therapy. Next, we discuss the most relevant miRNAs and lncRNAs suggested as targets for GBM therapy. Then, we compare the current drug delivery systems (nanocarriers/NPs) for RNA oligonucleotide delivery, the challenges faced to send drugs through the BBB, and the strategies to overcome this barrier. Finally, we categorize the critical points where research should be the focus in order to design optimal NPs for drug delivery into the brain; and thus move the Oligonucleotide RNA-based therapies from the bench to the clinical setting.
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Affiliation(s)
- Rohit K. Sharma
- Comprehensive Cancer Center, University of Puerto Rico, San Juan, PR, United States
| | - Carlos Calderon
- Comprehensive Cancer Center, University of Puerto Rico, San Juan, PR, United States
| | - Pablo E. Vivas-Mejia
- Comprehensive Cancer Center, University of Puerto Rico, San Juan, PR, United States
- Department of Biochemistry, University of Puerto Rico, Medical Sciences Campus, San Juan, PR, United States
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Nose-to-brain delivery: exploring newer domains for glioblastoma multiforme management. Drug Deliv Transl Res 2021; 10:1044-1056. [PMID: 32221847 DOI: 10.1007/s13346-020-00747-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Glioblastoma multiforme (GBM) is the most common and aggressive form of the primary brain tumors in humans. The intricate pathophysiology, the development of resistance by tumor cells, and the inability of the drugs to effectively cross the blood-brain and blood-tumor barriers result in poor prognosis for GBM patients, with a median survival time of only 1 to 2 years. Nose-to-brain delivery offers an attractive, noninvasive strategy to enhance drug penetration or transport novel drug/gene carriers into the brain. Although the exact mechanism of intranasal delivery remains elusive, the olfactory and trigeminal nerve pathways have been found to play a vital role in circumventing the traditional barriers of brain targeting. This review discusses the intranasal pathway as a novel domain for delivering drugs and nanocarriers encapsulating drugs/genes, as well as stem cell carriers specifically to the glioma cells. Considering the fact that most of these studies are still in preclinical stage, translating such intranasal delivery strategies from bench to bedside would be a critical step for better management and prognosis of GBM. Graphical abstract.
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Tseng YY, Chen TY, Liu SJ. Role of Polymeric Local Drug Delivery in Multimodal Treatment of Malignant Glioma: A Review. Int J Nanomedicine 2021; 16:4597-4614. [PMID: 34267515 PMCID: PMC8275179 DOI: 10.2147/ijn.s309937] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 06/21/2021] [Indexed: 12/29/2022] Open
Abstract
Malignant gliomas (MGs) are the most common and devastating primary brain tumor. At present, surgical interventions, radiotherapy, and chemotherapy are only marginally effective in prolonging the life expectancy of patients with MGs. Inherent heterogeneity, aggressive invasion and infiltration, intact physical barriers, and the numerous mechanisms underlying chemotherapy and radiotherapy resistance contribute to the poor prognosis for patients with MGs. Various studies have investigated methods to overcome these obstacles in MG treatment. In this review, we address difficulties in MG treatment and focus on promising polymeric local drug delivery systems. In contrast to most local delivery systems, which are directly implanted into the residual cavity after intratumoral injection or the surgical removal of a tumor, some rapidly developing and promising nanotechnological methods—including surface-decorated nanoparticles, magnetic nanoparticles, and focused ultrasound assist transport—are administered through (systemic) intravascular injection. We also discuss further synergistic and multimodal strategies for heightening therapeutic efficacy. Finally, we outline the challenges and therapeutic potential of these polymeric drug delivery systems.
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Affiliation(s)
- Yuan-Yun Tseng
- Department of Neurosurgery, New Taipei Municipal Tu-Cheng Hospital (Built and Operated by Chang Gung Medical Foundation), New Taipei City, Taiwan
| | - Tai-Yuan Chen
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Shih-Jung Liu
- Department of Mechanical Engineering, Chang Gung University, Tao-Yuan, Taiwan.,Department of Orthopedic Surgery, Chang Gung Memorial Hospital-Linkuo, Tao-Yuan, Taiwan
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Nanami T, Hoshino I, Shiratori F, Yajima S, Oshima Y, Suzuki T, Ito M, Hiwasa T, Kuwajima A, Shimada H. Prevalence of serum galectin-1 autoantibodies in seven types of cancer: A potential biomarker. Mol Clin Oncol 2021; 15:179. [PMID: 34276998 PMCID: PMC8278395 DOI: 10.3892/mco.2021.2341] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 06/07/2021] [Indexed: 12/13/2022] Open
Abstract
Although serum galectin-1 antibodies (s-GAL-1-Abs) have been evaluated in a small number of patients with cancer, a large series of patients with different cancer types have not been reported. The current study evaluated 1,833 patients with esophageal cancer (n=172), gastric cancer (n=317), colorectal cancer (n=262), hepatocellular carcinoma (n=91), prostate cancer (n=358), breast cancer (n=364), lung cancer (n=269) and 72 healthy individuals. s-GAL-1-Abs levels were analyzed using an originally developed ELISA system. A cut-off optical density value was determined as the mean (0.053) + 3 standard deviations (0.105) of sera from healthy controls. The results revealed that the positive rate of s-GAL-1-Abs in patients with hepatocellular carcinoma (16.7%) and lung cancer (13.8%) were significantly higher compared with the other groups: Esophageal cancer (11.6%), colorectal cancer (11.5%), prostate cancer (7.3%), gastric cancer (6.9%), breast cancer (6.9%) and healthy controls (4.2%). Although the positive rates of s-GAL-1-Abs in different cancer types were relatively low, s-GAL-1-Abs may be useful for patients with hepatocellular carcinoma and lung cancer.
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Affiliation(s)
- Tatsuki Nanami
- Department of Surgery, School of Medicine, Toho University, Tokyo 143-8541, Japan
| | - Isamu Hoshino
- Division of Gastroenterological Surgery, Chiba Cancer Center, Chiba 260-8717, Japan
| | - Fumiaki Shiratori
- Department of Surgery, School of Medicine, Toho University, Tokyo 143-8541, Japan
| | - Satoshi Yajima
- Department of Surgery, School of Medicine, Toho University, Tokyo 143-8541, Japan
| | - Yoko Oshima
- Department of Surgery, School of Medicine, Toho University, Tokyo 143-8541, Japan
| | - Takashi Suzuki
- Department of Surgery, School of Medicine, Toho University, Tokyo 143-8541, Japan
| | - Masaaki Ito
- Department of Surgery, School of Medicine, Toho University, Tokyo 143-8541, Japan
| | - Takaki Hiwasa
- Department of Clinical Oncology, Graduate School of Medicine, Toho University, Tokyo 143-8541, Japan
| | - Akiko Kuwajima
- Medical and Biological Laboratories Co., Ltd., Nagoya, Aichi 460-0008, Japan
| | - Hideaki Shimada
- Department of Surgery, School of Medicine, Toho University, Tokyo 143-8541, Japan.,Division of Gastroenterological Surgery, Chiba Cancer Center, Chiba 260-8717, Japan.,Department of Clinical Oncology, Graduate School of Medicine, Toho University, Tokyo 143-8541, Japan.,Department of Gastroenterological Surgery, Graduate School of Medicine, Toho University, Tokyo 143-8541, Japan
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Reprogramming the tumor metastasis cascade by targeting galectin-driven networks. Biochem J 2021; 478:597-617. [PMID: 33600595 DOI: 10.1042/bcj20200167] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 12/28/2020] [Accepted: 01/21/2021] [Indexed: 12/31/2022]
Abstract
A sequence of interconnected events known as the metastatic cascade promotes tumor progression by regulating cellular and molecular interactions between tumor, stromal, endothelial, and immune cells both locally and systemically. Recently, a new concept has emerged to better describe this process by defining four attributes that metastatic cells should undergo. Every individual hallmark represents a unique trait of a metastatic cell that impacts directly in the outcome of the metastasis process. These critical features, known as the hallmarks of metastasis, include motility and invasion, modulation of the microenvironment, cell plasticity and colonization. They are hierarchically regulated at different levels by several factors, including galectins, a highly conserved family of β-galactoside-binding proteins abundantly expressed in tumor microenvironments and sites of metastasis. In this review, we discuss the role of galectins in modulating each hallmark of metastasis, highlighting novel therapeutic opportunities for treating the metastatic disease.
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Alavian F, Ghasemi S. The Effectiveness of Nanoparticles on Gene Therapy for Glioblastoma Cells Apoptosis: A Systematic Review. Curr Gene Ther 2021; 21:230-245. [PMID: 33655831 DOI: 10.2174/1566523221666210224110454] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Glioblastoma multiforme (GBM) is the most common and fatal type of glioma. Nanoparticles (NPs) are used in new approaches for the delivery of gene therapy in the treatment of GBM. INTRODUCTION The purpose of this article was to review the efficacy of NPs as the targeted carriers in the gene therapy aimed at apoptosis in GBM. METHODS The appropriate keywords such as nanoparticle, glioblastoma, gene therapy, apoptosis, and related words were used to search from PubMed, ISI Web of Science, and Scopus for relevant publications up to September 4, 2020, with no language restrictions. The present systematic review was performed based on PRISMA protocol and reviewed the articles evaluating the effects of nanoparticles, carriers of various gene therapies essentials, on GBM cells apoptosis in vitro and in vivo. The selected articles were considered using specific scores on the quality of the articles. Data extraction and quality evaluation were performed by two reviewers. RESULTS Of 101 articles retrieved, forty-two met the inclusion criteria and were, therefore, subjected to the final deduction. The most widely used NP in GBM gene therapy studies is polyamidoamine (PAMAM). The most common gene therapy approach for apoptosis in GBM is using siRNAs. CONCLUSION In conclusion, these studies validated that NPs could be a practical choice to enhance the efficiency and specific delivery in gene therapies for GBM cell apoptosis. However, the choice of NP type and gene therapy mechanism affect the GBM cell apoptotic efficiency.
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Affiliation(s)
- Firoozeh Alavian
- Department of Biology, School of Basic Sciences, Farhangian University, Tehran, Iran
| | - Sorayya Ghasemi
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
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Lima BV, Oliveira MJ, Barbosa MA, Gonçalves RM, Castro F. Immunomodulatory potential of chitosan-based materials for cancer therapy: a systematic review of in vitro, in vivo and clinical studies. Biomater Sci 2021; 9:3209-3227. [PMID: 33949372 DOI: 10.1039/d0bm01984d] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Chitosan (Ch) has recently been used in different studies as a vaccine adjuvant with an ability to modulate the tumor microenvironment (TME). This systematic review aims to elucidate the added value of using Ch-based therapies for immunotherapeutic strategies in cancer treatment, through the exploration of different Ch-based formulations, their capacity to modulate immune cells in vitro and in vivo, and their translational potential for clinical settings. A systematic review was conducted on PubMed, following both inclusion and exclusion steps. Original articles which focused on the immunomodulatory role of Ch-based formulations in the TME were included, as well as its usage as a delivery vehicle for other immunomodulatory molecules. This review illustrates the added value of Ch-based systems to reshape the TME, through the modulation of immune cells using different Ch formulations, namely solutions, films, gels, microneedles and nanoparticles. Generally, Ch-based formulations increase the recruitment and proliferation of cells associated with pro-inflammatory abilities and decrease cells which exert anti-inflammatory activities. These effects correlated with a decreased tumor weight, reduced metastases, reversion of the immunosuppressive TME and increased survival in vivo. Overall, Ch-based formulations present the potential for immunotherapy in cancer. Nevertheless, clinical translation remains challenging, since the majority of the studies use Ch in formulations with other components, implicating that some of the observed effects could result from the combination of the individual effects. More studies on the use of different Ch-based formulations, complementary to standardization and disclosure of the Ch properties used are required to improve the immunomodulatory effects of Ch-based formulations in cancer.
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Affiliation(s)
- Beatriz V Lima
- i3S - Institute of Research and Innovation in Health, University of Porto, Porto, Portugal. and INEB - Institute of Biomedical Engineering, University of Porto, Porto, Portugal and ICBAS - Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal
| | - Maria J Oliveira
- i3S - Institute of Research and Innovation in Health, University of Porto, Porto, Portugal. and INEB - Institute of Biomedical Engineering, University of Porto, Porto, Portugal and ICBAS - Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal
| | - Mário A Barbosa
- i3S - Institute of Research and Innovation in Health, University of Porto, Porto, Portugal. and INEB - Institute of Biomedical Engineering, University of Porto, Porto, Portugal and ICBAS - Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal
| | - Raquel M Gonçalves
- i3S - Institute of Research and Innovation in Health, University of Porto, Porto, Portugal. and INEB - Institute of Biomedical Engineering, University of Porto, Porto, Portugal and ICBAS - Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal
| | - Flávia Castro
- i3S - Institute of Research and Innovation in Health, University of Porto, Porto, Portugal. and INEB - Institute of Biomedical Engineering, University of Porto, Porto, Portugal
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Chen Q, Jin J, Huang X, Wu F, Huang H, Zhan R. EMP3 mediates glioblastoma-associated macrophage infiltration to drive T cell exclusion. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:160. [PMID: 33964937 PMCID: PMC8106853 DOI: 10.1186/s13046-021-01954-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 04/19/2021] [Indexed: 12/11/2022]
Abstract
Background The immunosuppressive tumour microenvironment is a critical factor in the initiation and progression of glioblastoma (GBM), which is characterized by an abundance of tumour-associated macrophages (TAMs) but a paucity of infiltrating T cells. In this research, we studied whether epithelial membrane protein 3 (EMP3) plays a crucial role in immune modulation in GBM. Methods TCGA and CGGA transcriptomic profiles of wild-type IDH1 GBM were used for bioinformatic analysis. The role of EMP3 in GBM was validated through in vivo and in vitro experiments. Human GBM specimens were collected and evaluated using immunofluorescence analysis. Results EMP3 was associated with immunosuppression in GBM. Elevated EMP3 in GBM areas was accompanied by high expression of PD-L1 and abundant M2 TAM recruitment but a lake of T cell infiltration. We found that EMP3 was a potent protein in M2 TAM polarization and recruitment that impaired the ability of GBM cells to secrete CCL2 and TGF-β1. Furthermore, EMP3 suppressed T cell infiltration into GBM tumours by inhibiting the secretion of CXCL9 and CXCL10 by macrophages and led to an effective response to anti-PD1 therapy. Conclusions EMP3 is thus a critical immunosuppressive factor for recruiting TAMs in GBM and suppressing intratumoural T cell infiltration to facilitate tumour progression and is a potential therapeutic target. Supplementary Information The online version contains supplementary material available at 10.1186/s13046-021-01954-2.
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Affiliation(s)
- Qun Chen
- Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, P.R. China.
| | - Jing Jin
- Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, P.R. China
| | - Xin Huang
- Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, P.R. China
| | - Fan Wu
- Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, P.R. China
| | - Hongguang Huang
- Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, P.R. China.
| | - Renya Zhan
- Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, P.R. China.
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Ding J, He X, Cheng X, Cao G, Chen B, Chen S, Xiong M. A 4-gene-based hypoxia signature is associated with tumor immune microenvironment and predicts the prognosis of pancreatic cancer patients. World J Surg Oncol 2021; 19:123. [PMID: 33865399 PMCID: PMC8053300 DOI: 10.1186/s12957-021-02204-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 03/19/2021] [Indexed: 12/17/2022] Open
Abstract
Background Pancreatic cancer (PAC) is one of the most devastating cancer types with an extremely poor prognosis, characterized by a hypoxic microenvironment and resistance to most therapeutic drugs. Hypoxia has been found to be one of the factors contributing to chemoresistance in PAC, but also a major driver of the formation of the tumor immunosuppressive microenvironment. However, the method to identify the degree of hypoxia in the tumor microenvironment (TME) is incompletely understood. Methods The mRNA expression profiles and corresponding clinicopathological information of PAC patients were downloaded from The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) database, respectively. To further explore the effect of hypoxia on the prognosis of patients with PAC as well as the tumor immune microenvironment, we established a hypoxia risk model and divided it into high- and low-risk groups in line with the hypoxia risk score. Results We established a hypoxia risk model according to four hypoxia-related genes, which could be used to demonstrate the immune microenvironment in PAC and predict prognosis. Moreover, the hypoxia risk score can act as an independent prognostic factor in PAC, and a higher hypoxia risk score was correlated with poorer prognosis in patients as well as the immunosuppressive microenvironment of the tumor. Conclusions In summary, we established and validated a hypoxia risk model that can be considered as an independent prognostic indicator and reflected the immune microenvironment of PAC, suggesting the feasibility of hypoxia-targeted therapy for PAC patients.
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Affiliation(s)
- Jianfeng Ding
- Department of General Surgery, Chaohu Hospital of Anhui Medical University, Chaohu, 238000, Anhui, China
| | - Xiaobo He
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui, China
| | - Xiao Cheng
- Department of Pathology, School of Basic Medicine, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Guodong Cao
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui, China
| | - Bo Chen
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui, China
| | - Sihan Chen
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui, China.
| | - Maoming Xiong
- Department of General Surgery, Chaohu Hospital of Anhui Medical University, Chaohu, 238000, Anhui, China. .,Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui, China.
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Targeting galectins in T cell-based immunotherapy within tumor microenvironment. Life Sci 2021; 277:119426. [PMID: 33785342 DOI: 10.1016/j.lfs.2021.119426] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/07/2021] [Accepted: 03/17/2021] [Indexed: 01/01/2023]
Abstract
Over the past few years, tumor immunotherapy has emerged as an innovative tumor treatment and owned incomparable advantages over other tumor therapy. With unique complexity and uncertainty, immunotherapy still need helper to apply in the clinic. Galectins, modulated in tumor microenvironment, can regulate the disorders of innate and adaptive immune system resisting tumor growth. Considering the role of galectins in tumor immunosuppression, combination therapy of targeted anti-galectins and immunotherapy may be a promising tumor treatment. This brief review summarizes the expression and immune functions of different galectins in tumor microenvironment and discusses the potential value of anti-galectins in combination with checkpoint inhibitors in tumor immunotherapy.
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