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Chuang CH, Zhen YY, Ma JY, Lee TH, Hung HY, Wu CC, Wang PH, Huang CT, Huang MS, Hsiao M, Lee YR, Huang CYF, Chang YC, Yang CJ. CD47-mediated immune evasion in early-stage lung cancer progression. Biochem Biophys Res Commun 2024; 720:150066. [PMID: 38749193 DOI: 10.1016/j.bbrc.2024.150066] [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: 01/19/2024] [Revised: 04/27/2024] [Accepted: 05/06/2024] [Indexed: 06/05/2024]
Abstract
Alveolar and interstitial macrophages play crucial roles in eradicating pathogens and transformed cells in the lungs. The immune checkpoint CD47, found on normal and malignant cells, interacts with the SIRPα ligand on macrophages, inhibiting phagocytosis, antigen presentation, and promoting immune evasion. In this study, we demonstrated that CD47 is not only a transmembrane protein, but that it is also highly concentrated in extracellular vesicles from lung cancer cell lines and patient plasma. Abundant CD47 was observed in the cytoplasm of lung cancer cells, aligning with our finding that it was packed into extracellular vesicles for physiological and pathological functions. In our clinical cohort, extracellular vesicle CD47 was significantly higher in the patients with early-stage lung cancer, emphasizing innate immunity inactivation in early tumor progression. To validate our hypothesis, we established an orthotopic xenograft model mimicking lung cancer development, which showed increased serum soluble CD47 and elevated IL-10/TNF-α ratio, indicating an immune-suppressive tumor microenvironment. CD47 expression led to reduced tumor-infiltrating macrophages during progression, while there was a post-xenograft increase in tumor-associated macrophages. In conclusion, CD47 is pivotal in early lung cancer progression, with soluble CD47 emerging as a key pathological effector.
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Affiliation(s)
- Cheng-Hao Chuang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yen-Yi Zhen
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Juei-Yang Ma
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Tai-Huang Lee
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Internal Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Huei-Yang Hung
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chun-Chieh Wu
- Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Pei-Hui Wang
- Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ching-Tang Huang
- Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ming-Shyan Huang
- Department of Internal Medicine, E-Da Cancer Hospital, School of Medicine, I-Shou University, Kaohsiung, 82445, Taiwan
| | | | - Ying-Ray Lee
- Department of Microbiology and Immunology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Master of Science Program in Tropical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Center for Tropical Medicine and Infectious Disease Research, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chi-Ying F Huang
- Institute of Biopharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yu-Chan Chang
- Department of Biomedical Imaging and Radiological Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chih-Jen Yang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; School of Post-Baccalaureate Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
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Roudi R, Pisani LJ, Pisani F, Liang T, Daldrup-Link HE. Reproducibility and repeatability of quantitative T2 and T2* mapping of osteosarcomas in a mouse model. Eur Radiol Exp 2024; 8:74. [PMID: 38872042 DOI: 10.1186/s41747-024-00467-9] [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: 02/12/2024] [Accepted: 04/10/2024] [Indexed: 06/15/2024] Open
Abstract
BACKGROUND New immunotherapies activate tumor-associated macrophages (TAMs) in the osteosarcoma microenvironment. Iron oxide nanoparticles (IONPs) are phagocytosed by TAMs and, therefore, enable TAM detection on T2*- and T2-weighted magnetic resonance images. We assessed the repeatability and reproducibility of T2*- and T2-mapping of osteosarcomas in a mouse model. METHODS Fifteen BALB/c mice bearing-murine osteosarcomas underwent magnetic resonance imaging (MRI) on 3-T and 7-T scanners before and after intravenous IONP infusion, using T2*-weighted multi-gradient-echo, T2-weighted fast spin-echo, and T2-weighted multi-echo sequences. Each sequence was repeated twice. Tumor T2 and T2* relaxation times were measured twice by two independent investigators. Repeatability and reproducibility of measurements were assessed. RESULTS We found excellent agreement between duplicate acquisitions for both T2* and T2 measurements at either magnetic field strength, by the same individual (repeatability), and between individuals (reproducibility). The repeatability concordance correlation coefficient (CCC) for T2* values were 0.99 (coefficients of variation (CoV) 4.43%) for reader 1 and 0.98 (CoV 5.82%) for reader 2. The reproducibility of T2* values between the two readers was 0.99 (CoV 3.32%) for the first acquisitions and 0.99 (CoV 6.30%) for the second acquisitions. Regarding T2 values, the repeatability of CCC was similar for both readers, 0.98 (CoV 3.64% for reader 1 and 4.45% for reader 2). The CCC of the reproducibility of T2 was 0.99 (CoV 3.1%) for the first acquisition and 0.98 (CoV 4.38%) for the second acquisition. CONCLUSIONS Our results demonstrated high repeatability and reproducibility of quantitative T2* and T2 mapping for monitoring the presence of TAMs in osteosarcomas. RELEVANCE STATEMENT T2* and T2 measurements of osteosarcomas on IONP-enhanced MRI could allow identifying patients who may benefit from TAM-modulating immunotherapies and for monitoring treatment response. The technique described here could be also applied across a wide range of other solid tumors. KEY POINTS • Optimal integration of TAM-modulating immunotherapies with conventional chemotherapy remains poorly elucidated. • We found high repeatability of T2* and T2 measurements of osteosarcomas in a mouse model, both with and without IONPs contrast, at 3-T and 7-T MRI field strengths. • T2 and T2* mapping may be used to determine response to macrophage-modulating cancer immunotherapies.
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Affiliation(s)
- Raheleh Roudi
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University, Stanford, CA, 94305, USA.
| | - Laura J Pisani
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University, Stanford, CA, 94305, USA
| | - Fabrizio Pisani
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University, Stanford, CA, 94305, USA
| | - Tie Liang
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University, Stanford, CA, 94305, USA
| | - Heike E Daldrup-Link
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University, Stanford, CA, 94305, USA.
- Department of Pediatrics, Hematology/Oncology, Stanford University School of Medicine, Stanford, CA, USA.
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Liang H, Cui M, Tu J, Chen X. Advancements in osteosarcoma management: integrating immune microenvironment insights with immunotherapeutic strategies. Front Cell Dev Biol 2024; 12:1394339. [PMID: 38915446 PMCID: PMC11194413 DOI: 10.3389/fcell.2024.1394339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Accepted: 05/29/2024] [Indexed: 06/26/2024] Open
Abstract
Osteosarcoma, a malignant bone tumor predominantly affecting children and adolescents, presents significant therapeutic challenges, particularly in metastatic or recurrent cases. Conventional surgical and chemotherapeutic approaches have achieved partial therapeutic efficacy; however, the prognosis for long-term survival remains bleak. Recent studies have highlighted the imperative for a comprehensive exploration of the osteosarcoma immune microenvironment, focusing on the integration of diverse immunotherapeutic strategies-including immune checkpoint inhibitors, tumor microenvironment modulators, cytokine therapies, tumor antigen-specific interventions, cancer vaccines, cellular therapies, and antibody-based treatments-that are directly pertinent to modulating this intricate microenvironment. By targeting tumor cells, modulating the tumor microenvironment, and activating host immune responses, these innovative approaches have demonstrated substantial potential in enhancing the effectiveness of osteosarcoma treatments. Although most of these novel strategies are still in research or clinical trial phases, they have already demonstrated significant potential for individuals with osteosarcoma, suggesting the possibility of developing new, more personalized and effective treatment options. This review aims to provide a comprehensive overview of the current advancements in osteosarcoma immunotherapy, emphasizing the significance of integrating various immunotherapeutic methods to optimize therapeutic outcomes. Additionally, it underscores the imperative for subsequent research to further investigate the intricate interactions between the tumor microenvironment and the immune system, aiming to devise more effective treatment strategies. The present review comprehensively addresses the landscape of osteosarcoma immunotherapy, delineating crucial scientific concerns and clinical challenges, thereby outlining potential research directions.
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Affiliation(s)
- Hang Liang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Min Cui
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jingyao Tu
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xinyi Chen
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Roudi R, Pisani L, Pisani F, Kiru L, Daldrup-Link HE. Novel Clinically Translatable Iron Oxide Nanoparticle for Monitoring Anti-CD47 Cancer Immunotherapy. Invest Radiol 2024; 59:391-403. [PMID: 37812494 PMCID: PMC10997482 DOI: 10.1097/rli.0000000000001030] [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] [Indexed: 10/10/2023]
Abstract
OBJECTIVES A novel clinically translatable iron oxide nanoparticle (IOP) is currently being tested in phase 2 clinical trials as a magnetic resonance imaging (MRI) contrast agent for hepatocellular carcinoma diagnosis. The purpose of our study is to evaluate if this IOP can detect activation of tumor-associated macrophages (TAMs) due to CD47 mAb-targeted immunotherapy in 2 mouse models of osteosarcoma. MATERIALS AND METHODS The toxicity, biodistribution, and pharmacokinetics of IOP were evaluated in 77 female and 77 male rats. Then, 24 female BALB/c mice with intratibial murine K7M2 tumors and 24 female NOD scid gamma mice with intratibial human 143B osteosarcoma xenografts were treated with either CD47 mAb (n = 12) or control antibody (n = 12). In each treatment group, 6 mice underwent MRI scans before and after intravenous infusion of either IOP or ferumoxytol (30 mg Fe/kg). Tumor T2* values and TAM markers F4/80, CD80, CD206, and Prussian blue staining were compared between different experimental groups using exact 2-sided Wilcoxon rank sum tests. RESULTS Biodistribution and safety evaluations of IOP were favorable for doses of less than 50 mg Fe/kg body weight in female and male rats. Both IOP and ferumoxytol caused negative enhancement (darkening) of the tumor tissue. Both murine and human osteosarcoma tumors treated with CD47 mAb demonstrated significantly shortened T2* relaxation times after infusion of IOP or ferumoxytol compared with controls (all P 's < 0.05). Higher levels of F4/80 + CD80 + were found in murine and human osteosarcomas treated with CD47 mAb compared with sham-treated controls (all P 's < 0.05). In addition, murine CD47 mAb-treated tumors after infusion of either IOP or ferumoxytol showed significantly higher numbers of Prussian blue-positive cells compared with controls ( P < 0.05). There was no significant difference of F4/80 + CD206 + cells among any of the groups (all P 's > 0.05). CONCLUSIONS Iron oxide nanoparticle-enhanced MRI can be used to diagnose CD47 mAb-mediated TAM-activation in osteosarcomas.
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Affiliation(s)
- Raheleh Roudi
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA, USA
| | - Laura Pisani
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA, USA
| | - Fabrizio Pisani
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA, USA
| | - Louise Kiru
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA, USA
| | - Heike E. Daldrup-Link
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA, USA
- Department of Pediatrics, Hematology/Oncology, Stanford University School of Medicine, Stanford, CA, USA
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XIAO JIJIE, XIAO HONG, CAI YUJUN, LIAO JIANWEI, LIU JUE, YAO LIN, LI SHAOLIN. Codelivery of anti-CD47 antibody and chlorin e6 using a dual pH-sensitive nanodrug for photodynamic immunotherapy of osteosarcoma. Oncol Res 2024; 32:691-702. [PMID: 38560565 PMCID: PMC10972781 DOI: 10.32604/or.2023.030767] [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: 04/21/2023] [Accepted: 07/31/2023] [Indexed: 04/04/2024] Open
Abstract
Osteosarcoma is a malignant tumor originating from bone tissue that progresses rapidly and has a poor patient prognosis. Immunotherapy has shown great potential in the treatment of osteosarcoma. However, the immunosuppressive microenvironment severely limits the efficacy of osteosarcoma treatment. The dual pH-sensitive nanocarrier has emerged as an effective antitumor drug delivery system that can selectively release drugs into the acidic tumor microenvironment. Here, we prepared a dual pH-sensitive nanocarrier, loaded with the photosensitizer Chlorin e6 (Ce6) and CD47 monoclonal antibodies (aCD47), to deliver synergistic photodynamic and immunotherapy of osteosarcoma. On laser irradiation, Ce6 can generate reactive oxygen species (ROS) to kill cancer cells directly and induces immunogenic tumor cell death (ICD), which further facilitates the dendritic cell maturation induced by blockade of CD47 by aCD47. Moreover, both calreticulin released during ICD and CD47 blockade can accelerate phagocytosis of tumor cells by macrophages, promote antigen presentation, and eventually induce T lymphocyte-mediated antitumor immunity. Overall, the dual pH-sensitive nanodrug loaded with Ce6 and aCD47 showed excellent immune-activating and anti-tumor effects in osteosarcoma, which may lay the theoretical foundation for a novel combination model of osteosarcoma treatment.
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Affiliation(s)
- JIJIE XIAO
- Department of Radiology, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 510900, China
| | - HONG XIAO
- Department of Ultrasound, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 528405, China
| | - YUJUN CAI
- PCFM Lab of Ministry of Education, School of Materials Science and Engineering, Guangzhou, 510275, China
| | - JIANWEI LIAO
- Department of Radiology, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 510900, China
| | - JUE LIU
- Department of Radiology, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 510900, China
| | - LIN YAO
- Department of Radiology, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 510900, China
| | - SHAOLIN LI
- Department of Radiology, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 510900, China
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Pang G, Wei S, Zhao J, Wang FJ. Improving nanochemoimmunotherapy efficacy by boosting "eat-me" signaling and downregulating "don't-eat-me" signaling with Ganoderma lucidum polysaccharide-based drug delivery. J Mater Chem B 2023; 11:11562-11577. [PMID: 37982298 DOI: 10.1039/d3tb02118a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
To address the challenges posed by low immunogenicity and immune checkpoints during cancer treatment, we propose an alternative strategy that combines immunogenic cell death (ICD) effects with CD47/SIRPα blockade to reactivate phagocytosis of tumor cells by macrophages with polysaccharide-based drug delivery. In this study, the EGFR inhibitor gefitinib was identified as a novel CD47 modulator, which promoted the translocation of CD47 molecules from the cell membrane to endosomes through the EGFR-Rab5 pathway, leading to reduced cell surface CD47 levels and limiting interaction with SIRPα. Based on this finding, we developed prophagocytic mixed nanodrugs to enhance macrophage phagocytosis by encapsulating ICD inducer doxorubicin and CD47 inhibitor gefitinib with immunostimulatory polysaccharides from Ganoderma lucidum. This approach downregulated cell surface CD47 expression to attenuate "don't-eat-me" signaling, while increasing doxorubicin accumulation in tumors by inhibiting drug-resistance proteins, leading to more exposure of calreticulin and amplifying the "eat-me" signaling. In vivo experiments demonstrated that this approach significantly suppressed intraperitoneal tumor dissemination, reversed doxorubicin-induced weight loss, and effectively induced macrophage polarization, dendritic cell maturation, and CD8+ T cell activation. These findings highlighted the significant potential of our macrophage-centered therapeutic strategy using polysaccharide-based nanocarriers and provided new perspectives for chemoimmunotherapy.
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Affiliation(s)
- Guibin Pang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. China.
| | - Siqi Wei
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. China.
| | - Jian Zhao
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. China.
- ECUST-FONOW Joint Research Center for Innovative Medicines, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. China
| | - Fu-Jun Wang
- New Drug R&D Center, Zhejiang Fonow Medicine Co., Ltd., 209 West Hulian Road, Dongyang 322100, Zhejiang, P. R. China
- ECUST-FONOW Joint Research Center for Innovative Medicines, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. China
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, P. R. China.
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Khalaji A, Yancheshmeh FB, Farham F, Khorram A, Sheshbolouki S, Zokaei M, Vatankhah F, Soleymani-Goloujeh M. Don't eat me/eat me signals as a novel strategy in cancer immunotherapy. Heliyon 2023; 9:e20507. [PMID: 37822610 PMCID: PMC10562801 DOI: 10.1016/j.heliyon.2023.e20507] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 09/04/2023] [Accepted: 09/27/2023] [Indexed: 10/13/2023] Open
Abstract
Cancer stands as one of the prominent global causes of death, with its incidence burden continuously increasing, leading to a substantial rise in mortality rates. Cancer treatment has seen the development of various strategies, each carrying its drawbacks that can negatively impact the quality of life for cancer patients. The challenge remains significant within the medical field to establish a definitive cancer treatment that minimizes complications and limitations. In the forthcoming years, exploring new strategies to surmount the failures in cancer treatment appears to be an unavoidable pursuit. Among these strategies, immunology-based ones hold substantial promise in combatting cancer and immune-related disorders. A particular subset of this approach identifies "eat me" and "Don't eat me" signals in cancer cells, contrasting them with their counterparts in non-cancerous cells. This distinction could potentially mark a significant breakthrough in treating diverse cancers. By delving into signal transduction and engineering novel technologies that utilize distinct "eat me" and "Don't eat me" signals, a valuable avenue may emerge for advancing cancer treatment methodologies. Macrophages, functioning as vital components of the immune system, regulate metabolic equilibrium, manage inflammatory disorders, oversee fibrosis, and aid in the repair of injuries. However, in the context of tumor cells, the overexpression of "Don't eat me" signals like CD47, PD-L1, and beta-2 microglobulin (B2M), an anti-phagocytic subunit of the primary histocompatibility complex class I, enables these cells to evade macrophages and proliferate uncontrollably. Conversely, the presentation of an "eat me" signal, such as Phosphatidylserine (PS), along with alterations in charge and glycosylation patterns on the cellular surface, modifications in intercellular adhesion molecule-1 (ICAM-1) epitopes, and the exposure of Calreticulin and PS on the outer layer of the plasma membrane represent universally observed changes on the surface of apoptotic cells, preventing phagocytosis from causing harm to adjacent non-tumoral cells. The current review provides insight into how signaling pathways and immune cells either stimulate or obstruct these signals, aiming to address challenges that may arise in future immunotherapy research. A potential solution lies in combination therapies targeting the "eat me" and "Don't eat me" signals in conjunction with other targeted therapeutic approaches. This innovative strategy holds promise as a novel avenue for the future treatment of cancer.
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Affiliation(s)
- Amirreza Khalaji
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fatereh Baharlouei Yancheshmeh
- Cardiac Rehabilitation Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fatemeh Farham
- Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Arya Khorram
- Department of Laboratory Sciences, School of Allied Medical Sciences, Alborz University of Medical Sciences, Karaj, Iran
| | - Shiva Sheshbolouki
- Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Maryam Zokaei
- Department of Food Science and Technology, Faculty of Nutrition Science, Food Science and Technology/National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Veterinary Medicine, Beyza Branch, Islamic Azad University, Beyza, Iran
| | - Fatemeh Vatankhah
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Soleymani-Goloujeh
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
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8
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Luo JQ, Liu R, Chen FM, Zhang JY, Zheng SJ, Shao D, Du JZ. Nanoparticle-Mediated CD47-SIRPα Blockade and Calreticulin Exposure for Improved Cancer Chemo-Immunotherapy. ACS NANO 2023; 17:8966-8979. [PMID: 37133900 DOI: 10.1021/acsnano.2c08240] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Enabling macrophages to phagocytose tumor cells holds great potential for cancer therapy but suffers from tremendous challenges because the tumor cells upregulate antiphagocytosis molecules (such as CD47) on their surface. The blockade of CD47 alone is insufficient to stimulate tumor cell phagocytosis in solid tumors due to the lack of "eat me" signals. Herein, a degradable mesoporous silica nanoparticle (MSN) is reported to simultaneously deliver anti-CD47 antibodies (aCD47) and doxorubicin (DOX) for cancer chemo-immunotherapy. The codelivery nanocarrier aCD47-DMSN was constructed by accommodating DOX within the mesoporous cavity, while adsorbing aCD47 on the surface of MSN. aCD47 blocks the CD47-SIRPα axis to disable the "don't eat me" signal, while DOX induces immunogenic tumor cell death (ICD) for calreticulin exposure as an "eat me" signal. This design facilitated the phagocytosis of tumor cells by macrophages, which enhanced antigen cross-presentation and elicited efficient T cell-mediated immune response. In 4T1 and B16F10 murine tumor models, aCD47-DMSN generated a strong antitumor effect after intravenous injection by increasing tumor-infiltration of CD8+ T cells. Taken together, this study offers a nanoplatform to modulate the phagocytosis of macrophages for efficacious cancer chemo-immunotherapy.
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Affiliation(s)
- Jia-Qi Luo
- School of Medicine, South China University of Technology, Guangzhou 510006, China
| | - Rong Liu
- School of Medicine, South China University of Technology, Guangzhou 510006, China
| | - Fang-Man Chen
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou 511442, China
| | - Jing-Yang Zhang
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou 511442, China
| | - Sui-Juan Zheng
- School of Medicine, South China University of Technology, Guangzhou 510006, China
| | - Dan Shao
- School of Medicine, South China University of Technology, Guangzhou 510006, China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, and Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou 510006, China
| | - Jin-Zhi Du
- School of Medicine, South China University of Technology, Guangzhou 510006, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, China
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9
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Peehl DM, Badea CT, Chenevert TL, Daldrup-Link HE, Ding L, Dobrolecki LE, Houghton AM, Kinahan PE, Kurhanewicz J, Lewis MT, Li S, Luker GD, Ma CX, Manning HC, Mowery YM, O'Dwyer PJ, Pautler RG, Rosen MA, Roudi R, Ross BD, Shoghi KI, Sriram R, Talpaz M, Wahl RL, Zhou R. Animal Models and Their Role in Imaging-Assisted Co-Clinical Trials. Tomography 2023; 9:657-680. [PMID: 36961012 PMCID: PMC10037611 DOI: 10.3390/tomography9020053] [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: 01/26/2023] [Revised: 03/08/2023] [Accepted: 03/08/2023] [Indexed: 03/19/2023] Open
Abstract
The availability of high-fidelity animal models for oncology research has grown enormously in recent years, enabling preclinical studies relevant to prevention, diagnosis, and treatment of cancer to be undertaken. This has led to increased opportunities to conduct co-clinical trials, which are studies on patients that are carried out parallel to or sequentially with animal models of cancer that mirror the biology of the patients' tumors. Patient-derived xenografts (PDX) and genetically engineered mouse models (GEMM) are considered to be the models that best represent human disease and have high translational value. Notably, one element of co-clinical trials that still needs significant optimization is quantitative imaging. The National Cancer Institute has organized a Co-Clinical Imaging Resource Program (CIRP) network to establish best practices for co-clinical imaging and to optimize translational quantitative imaging methodologies. This overview describes the ten co-clinical trials of investigators from eleven institutions who are currently supported by the CIRP initiative and are members of the Animal Models and Co-clinical Trials (AMCT) Working Group. Each team describes their corresponding clinical trial, type of cancer targeted, rationale for choice of animal models, therapy, and imaging modalities. The strengths and weaknesses of the co-clinical trial design and the challenges encountered are considered. The rich research resources generated by the members of the AMCT Working Group will benefit the broad research community and improve the quality and translational impact of imaging in co-clinical trials.
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Affiliation(s)
- Donna M Peehl
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94158, USA
| | - Cristian T Badea
- Department of Radiology, Duke University Medical Center, Durham, NC 27710, USA
| | - Thomas L Chenevert
- Department of Radiology and the Center for Molecular Imaging, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
| | - Heike E Daldrup-Link
- Molecular Imaging Program at Stanford (MIPS), Department of Radiology, Stanford University, Stanford, CA 94305, USA
| | - Li Ding
- Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Lacey E Dobrolecki
- Advanced Technology Cores, Baylor College of Medicine, Houston, TX 77030, USA
| | | | - Paul E Kinahan
- Department of Radiology, University of Washington, Seattle, WA 98105, USA
| | - John Kurhanewicz
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94158, USA
| | - Michael T Lewis
- Departments of Molecular and Cellular Biology and Radiology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Shunqiang Li
- Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Gary D Luker
- Department of Radiology and the Center for Molecular Imaging, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Department of Microbiology and Immunology, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
| | - Cynthia X Ma
- Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - H Charles Manning
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Yvonne M Mowery
- Department of Radiation Oncology, Duke University School of Medicine, Durham, NC 27708, USA
- Department of Head and Neck Surgery & Communication Sciences, Duke University School of Medicine, Durham, NC 27708, USA
| | - Peter J O'Dwyer
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Robia G Pautler
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Mark A Rosen
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Raheleh Roudi
- Molecular Imaging Program at Stanford (MIPS), Department of Radiology, Stanford University, Stanford, CA 94305, USA
| | - Brian D Ross
- Department of Radiology and the Center for Molecular Imaging, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Department of Biological Chemistry, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
| | - Kooresh I Shoghi
- Mallinckrodt Institute of Radiology (MIR), Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Renuka Sriram
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94158, USA
| | - Moshe Talpaz
- Division of Hematology/Oncology, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Department of Internal Medicine, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
| | - Richard L Wahl
- Mallinckrodt Institute of Radiology (MIR), Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Rong Zhou
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
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10
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Gong M, Huang Y, Feng H, Lin J, Huang A, Hu J, Tang Q, Zhu X, Han S, Lu J, Wang J. A nanodrug combining CD47 and sonodynamic therapy efficiently inhibits osteosarcoma deterioration. J Control Release 2023; 355:68-84. [PMID: 36682726 DOI: 10.1016/j.jconrel.2023.01.038] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 01/03/2023] [Accepted: 01/14/2023] [Indexed: 01/24/2023]
Abstract
Treatments for osteosarcoma (OS) with pulmonary metastases reach a bottleneck with a survival rate of 10-20%. The suppressive tumor associated macrophages(TAMs) and CD47 over-expression greatly lead to the treatment failure. Sonodynamic therapy (SDT) can generate ROS with deep tumor penetration to induce tumor cell apoptosis, which is reported to further induce M1 macrophage polarization. CD47 inhibition combined with SDT to synergistically modulate TAMs may induce superior effects for OS treatment. In this work, for the first time, a biomimetic nanodrug named MPIRx was deveploped by loading IR780 (a sonosensitizer) and RRx-001 (a CD47 inhibitor) in PEG-PCL nanomicelles and then coating with OS cell membranes. After ultrasound activation, the nanodrug significantly inhibited OS proliferation and migration, induced apoptosis and immunogenic cell death in OS cells. Furthermore, MPIRx could guide macrophage migrating towards tumor cells and promote M1-type polarization while increasing the phagocytosis activity of macrophages on OS cells. Ultimately, MPIRx showed good tumor accumulation in vivo and successfully inhibited subcutaneous OS and orthotopic tumor with deterioration of pulmonary metastasis. Overall, by creating a local oxidative microenvironment and modulating the TAMs/CD47 in tumor tissue, the MPIRx nanodrug presents a novel strategy for macrophage-related immunotherapy to successfully eliminate OS and inhibit the intractable pulmonary metastasis.
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Affiliation(s)
- Ming Gong
- Department of Musculoskeletal Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China; State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center of Cancer Medicine, Guangzhou 510060, PR China
| | - Yufeng Huang
- Department of Musculoskeletal Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China; State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center of Cancer Medicine, Guangzhou 510060, PR China
| | - Huixiong Feng
- Department of Musculoskeletal Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China; State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center of Cancer Medicine, Guangzhou 510060, PR China
| | - Jiaming Lin
- Department of Musculoskeletal Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China; State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center of Cancer Medicine, Guangzhou 510060, PR China
| | - Anfei Huang
- Department of Musculoskeletal Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China; State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center of Cancer Medicine, Guangzhou 510060, PR China
| | - Jinxin Hu
- Department of Musculoskeletal Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China; State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center of Cancer Medicine, Guangzhou 510060, PR China
| | - Qinglian Tang
- Department of Musculoskeletal Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China; State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center of Cancer Medicine, Guangzhou 510060, PR China
| | - Xiaojun Zhu
- Department of Musculoskeletal Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China; State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center of Cancer Medicine, Guangzhou 510060, PR China
| | - Shisong Han
- Zhuhai Institute of Translational Medicine, Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai People's Hospital (Zhuhai Hospital Affiliated with Jinan University), Zhuhai 519000, PR China.
| | - Jinchang Lu
- Department of Musculoskeletal Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China; State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center of Cancer Medicine, Guangzhou 510060, PR China.
| | - Jin Wang
- Department of Musculoskeletal Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China; State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center of Cancer Medicine, Guangzhou 510060, PR China.
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11
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Son J, Cha H, Lee S, Bae Y, Ryou C, Lee SY. Ursonic acid inhibits migration and invasion of human osteosarcoma cells through the suppression of mitogen-activated protein kinases and matrix metalloproteinases. Mol Biol Rep 2023; 50:4029-4038. [PMID: 36848005 DOI: 10.1007/s11033-023-08333-4] [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: 07/23/2022] [Accepted: 02/13/2023] [Indexed: 03/01/2023]
Abstract
INTRODUCTION Osteosarcoma (OS) is the most common form of bone malignancy. Although contemporary chemotherapy and surgery have improved the prognosis of those with OS, developing new OS therapies has proven difficult for some time. The activation of the matrix metalloproteinase (MMP) and mitogen-activated protein kinase (MAPK) signaling pathways can induce metastasis, which is an obstacle to OS treatment. Ursonic acid (UNA) is a phytochemical with the potential to cure a variety of human ailments, including cancer. METHODS AND RESULTS In this study, we investigated the anti-tumor properties of UNA in MG63 cells. We conducted colony formation assay, wound healing assay, and Boyden chamber assays to investigate the anti-OS effects of UNA. UNA was found to significantly inhibit the proliferative, migratory, and invasive abilities of MG63 cells. This bioactivity of UNA was mediated by the inhibition of extracellular signal-regulated kinase (ERK) and p38 and reduction of MMP-2 transcriptional expression as observed in western blot analysis, gelatin zymography and RT-PCR. Anti-OS activities of UNA were also observed in Saos2 and U2OS cells, indicating that its anti-cancer properties are not specific to cell types. CONCLUSION Our findings suggest that UNA has the potential for use in anti-metastatic drugs in the treatment of OS.
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Affiliation(s)
- Juhyeon Son
- Department of Life Sciences, College of BioNano Technology, Gachon University, Seongnam, 13120, Gyeonggi, Korea
| | - Hansol Cha
- Department of Life Sciences, College of BioNano Technology, Gachon University, Seongnam, 13120, Gyeonggi, Korea
| | - Sungeun Lee
- Department of Pharmacy and Institute of Pharmaceutical Sciences and Technology, Hanyang University, Ansan, Gyeonggi, Korea
| | - Yongwoong Bae
- Department of Life Sciences, College of BioNano Technology, Gachon University, Seongnam, 13120, Gyeonggi, Korea
| | - Chongsuk Ryou
- Department of Pharmacy and Institute of Pharmaceutical Sciences and Technology, Hanyang University, Ansan, Gyeonggi, Korea
| | - Sang Yeol Lee
- Department of Life Sciences, College of BioNano Technology, Gachon University, Seongnam, 13120, Gyeonggi, Korea.
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12
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Macrophage Repolarization as a Therapeutic Strategy for Osteosarcoma. Int J Mol Sci 2023; 24:ijms24032858. [PMID: 36769180 PMCID: PMC9917837 DOI: 10.3390/ijms24032858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 01/31/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
Macrophages are versatile immune cells and can adapt to both external stimuli and their surrounding environment. Macrophages are categorized into two major categories; M1 macrophages release pro-inflammatory cytokines and produce protective responses that lead to antimicrobial or antitumor activity. M2 or tumor-associated macrophages (TAM) release anti-inflammatory cytokines that support tumor growth, invasion capacity, and metastatic potential. Since macrophages can be re-polarized from an M2 to an M1 phenotype with a variety of strategies, this has emerged as an innovative anti-cancer approach. Osteosarcoma (OS) is a kind of bone cancer and consists of a complex niche, and immunotherapy is not very effective. Therefore, immediate attention to new strategies is required. We incorporated the recent studies that have used M2-M1 repolarization strategies in the aspect of treating OS cancer.
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13
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Nan Y, Zhang X, Wang S, Xu C, Wang Y, Han L, Luan J, Hu X, Chen W, Cao Z, Zhu Z, Zeng X, Fan J, Ye L, Shi X, Ju D. Targeting CD47 enhanced the antitumor immunity of PD-L1 blockade in B-cell lymphoma. Immunotherapy 2023; 15:175-187. [PMID: 36727256 DOI: 10.2217/imt-2022-0087] [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: 02/03/2023] Open
Abstract
Background: Only a subset of B-cell lymphoma (BCL) patients can benefit from immune checkpoint inhibitors targeting PD-1/PD-L1. Materials & methods: In the A20 model, SIRPα-Fc and anti-PD-L1 were employed to target CD47 and PD-L1 simultaneously. Flow cytometry, immunofluorescence and quantitative polymerase chain reaction were used to unravel the potential mechanisms. Results: Simultaneously targeting CD47 and PD-L1 activated CD8+ T cells with an increased release of effector molecules. Furthermore, infiltration of F4/80+iNOS+ M1 macrophages was enhanced by the dual therapy. Conclusion: Anti-CD47 therapy could sensitize BCL tumors to anti-PD-L1 therapy in a CD8+ T-cell- and M1-macrophage-dependent manner by promoting cytotoxic lymphocyte infiltration, which may provide a potential strategy for BCL treatment by simultaneously targeting CD47 and PD-L1.
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Affiliation(s)
- Yanyang Nan
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Xuyao Zhang
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Shaofei Wang
- Department of Cellular & Genetic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Caili Xu
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Yichen Wang
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Lei Han
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Jingyun Luan
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Xiaozhi Hu
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Wei Chen
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Zhonglian Cao
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Zeguo Zhu
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Xian Zeng
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Jiajun Fan
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Li Ye
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Xunlong Shi
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Dianwen Ju
- Department of Biological Medicines & Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, 201203, China
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14
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Characterizing the tumor microenvironment at the single-cell level reveals a novel immune evasion mechanism in osteosarcoma. Bone Res 2023; 11:4. [PMID: 36596773 PMCID: PMC9810605 DOI: 10.1038/s41413-022-00237-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 07/08/2022] [Accepted: 09/04/2022] [Indexed: 01/04/2023] Open
Abstract
The immune microenvironment extensively participates in tumorigenesis as well as progression in osteosarcoma (OS). However, the landscape and dynamics of immune cells in OS are poorly characterized. By analyzing single-cell RNA sequencing (scRNA-seq) data, which characterize the transcription state at single-cell resolution, we produced an atlas of the immune microenvironment in OS. The results suggested that a cluster of regulatory dendritic cells (DCs) might shape the immunosuppressive microenvironment in OS by recruiting regulatory T cells. We also found that major histocompatibility complex class I (MHC-I) molecules were downregulated in cancer cells. The findings indicated a reduction in tumor immunogenicity in OS, which can be a potential mechanism of tumor immune escape. Of note, CD24 was identified as a novel "don't eat me" signal that contributed to the immune evasion of OS cells. Altogether, our findings provide insights into the immune landscape of OS, suggesting that myeloid-targeted immunotherapy could be a promising approach to treat OS.
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15
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Ye ZH, Yu WB, Huang MY, Chen J, Lu JJ. Building on the backbone of CD47-based therapy in cancer: Combination strategies, mechanisms, and future perspectives. Acta Pharm Sin B 2022; 13:1467-1487. [PMID: 37139405 PMCID: PMC10149906 DOI: 10.1016/j.apsb.2022.12.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 10/10/2022] [Accepted: 11/18/2022] [Indexed: 12/27/2022] Open
Abstract
Described as a "don't eat me" signal, CD47 becomes a vital immune checkpoint in cancer. Its interaction with signal regulatory protein alpha (SIRPα) prevents macrophage phagocytosis. In recent years, a growing body of evidences have unveiled that CD47-based combination therapy exhibits a superior anti-cancer effect. Latest clinical trials about CD47 have adopted the regimen of collaborating with other therapies or developing CD47-directed bispecific antibodies, indicating the combination strategy as a general trend of the future. In this review, clinical and preclinical cases about the current combination strategies targeting CD47 are collected, their underlying mechanisms of action are discussed, and ideas from future perspectives are shared.
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16
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Wang Z, Li B, Li S, Lin W, Wang Z, Wang S, Chen W, Shi W, Chen T, Zhou H, Yinwang E, Zhang W, Mou H, Chai X, Zhang J, Lu Z, Ye Z. Metabolic control of CD47 expression through LAT2-mediated amino acid uptake promotes tumor immune evasion. Nat Commun 2022; 13:6308. [PMID: 36274066 PMCID: PMC9588779 DOI: 10.1038/s41467-022-34064-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 10/12/2022] [Indexed: 12/25/2022] Open
Abstract
Chemotherapy elicits tumor immune evasion with poorly characterized mechanisms. Here, we demonstrate that chemotherapy markedly enhances the expression levels of CD47 in osteosarcoma tissues, which are positively associated with patient mortality. We reveal that macrophages in response to chemotherapy secrete interleukin-18, which in turn upregulates expression of L-amino acid transporter 2 (LAT2) in tumor cells for substantially enhanced uptakes of leucine and glutamine, two potent stimulators of mTORC1. The increased levels of leucine and enhanced glutaminolysis activate mTORC1 and subsequent c-Myc-mediated transcription of CD47. Depletion of LAT2 or treatment of tumor cells with a LAT inhibitor downregulates CD47 with enhanced macrophage infiltration and phagocytosis of tumor cells, and sensitizes osteosarcoma to doxorubicin treatment in mice. These findings unveil a mutual regulation between macrophage and tumor cells that plays a critical role in tumor immune evasion and underscore the potential to intervene with the LAT2-mediated amino acid uptake for improving cancer therapies.
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Affiliation(s)
- Zenan Wang
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XOrthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang China ,grid.412465.0Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang China
| | - Binghao Li
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XOrthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang China ,grid.412465.0Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang China
| | - Shan Li
- grid.13402.340000 0004 1759 700XDepartment of Hepatobiliary and Pancreatic Surgery and Zhejiang Provincial Key Laboratory of Pancreatic Disease of The First Affiliated Hospital, Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang China
| | - Wenlong Lin
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XInstitute of Immunology, Zhejiang University School of Medicine, Hangzhou, Zhejiang China
| | - Zhan Wang
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XOrthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang China ,grid.412465.0Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang China
| | - Shengdong Wang
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XOrthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang China ,grid.412465.0Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang China
| | - Weida Chen
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China
| | - Wei Shi
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China
| | - Tao Chen
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XOrthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang China ,grid.412465.0Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang China
| | - Hao Zhou
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XOrthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang China ,grid.412465.0Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang China
| | - Eloy Yinwang
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XOrthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang China ,grid.412465.0Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang China
| | - Wenkan Zhang
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XOrthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang China ,grid.412465.0Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang China
| | - Haochen Mou
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XOrthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang China ,grid.412465.0Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang China
| | - Xupeng Chai
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XOrthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang China ,grid.412465.0Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang China
| | - Jiahao Zhang
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XOrthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang China ,grid.412465.0Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang China
| | - Zhimin Lu
- grid.13402.340000 0004 1759 700XDepartment of Hepatobiliary and Pancreatic Surgery and Zhejiang Provincial Key Laboratory of Pancreatic Disease of The First Affiliated Hospital, Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XZhejiang University Cancer Center, Hangzhou, Zhejiang China
| | - Zhaoming Ye
- grid.13402.340000 0004 1759 700XDepartment of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang China ,grid.13402.340000 0004 1759 700XOrthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang China ,grid.412465.0Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang China
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17
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Yu L, Zhang J, Li Y. Effects of microenvironment in osteosarcoma on chemoresistance and the promise of immunotherapy as an osteosarcoma therapeutic modality. Front Immunol 2022; 13:871076. [PMID: 36311748 PMCID: PMC9608329 DOI: 10.3389/fimmu.2022.871076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 09/28/2022] [Indexed: 12/02/2022] Open
Abstract
Osteosarcoma (OS) is one of the most common primary malignant tumors originating in bones. Its high malignancy typically manifests in lung metastasis leading to high mortality. Although remarkable advances in surgical resection and neoadjuvant chemotherapy have lengthened life expectancy and greatly improved the survival rate among OS patients, no further breakthroughs have been achieved. It is challenging to treat patients with chemoresistant tumors and distant metastases. Recent studies have identified a compelling set of links between hypoxia and chemotherapy failure. Here, we review the evidence supporting the positive effects of hypoxia in the tumor microenvironment (TME). In addition, certain anticancer effects of immune checkpoint inhibitors have been demonstrated in OS preclinical models. Continued long-term observation in clinical trials is required. In the present review, we discuss the mutualistic effects of the TME in OS treatment and summarize the mechanisms of immunotherapy and their interaction with TME when used to treat OS. We also suggest that immunotherapy, a new comprehensive and potential antitumor approach that stimulates an immune response to eliminate tumor cells, may represent an innovative approach for the development of a novel treatment regimen for OS patients.
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18
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Holterhus M, Altvater B, Kailayangiri S, Rossig C. The Cellular Tumor Immune Microenvironment of Childhood Solid Cancers: Informing More Effective Immunotherapies. Cancers (Basel) 2022; 14:cancers14092177. [PMID: 35565307 PMCID: PMC9105669 DOI: 10.3390/cancers14092177] [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: 03/08/2022] [Revised: 04/24/2022] [Accepted: 04/25/2022] [Indexed: 11/16/2022] Open
Abstract
Common pediatric solid cancers fail to respond to standard immuno-oncology agents relying on preexisting adaptive antitumor immune responses. The adoptive transfer of tumor-antigen specific T cells, such as CAR-gene modified T cells, is an attractive strategy, but its efficacy has been limited. Evidence is accumulating that local barriers in the tumor microenvironment prevent the infiltration of T cells and impede therapeutic immune responses. A thorough understanding of the components of the functional compartment of the tumor microenvironment and their interaction could inform effective combination therapies and novel engineered therapeutics, driving immunotherapy towards its full potential in pediatric patients. This review summarizes current knowledge on the cellular composition and significance of the tumor microenvironment in common extracranial solid cancers of childhood and adolescence, such as embryonal tumors and bone and soft tissue sarcomas, with a focus on myeloid cell populations that are often present in abundance in these tumors. Strategies to (co)target immunosuppressive myeloid cell populations with pharmacological anticancer agents and with selective antagonists are presented, as well as novel concepts aiming to employ myeloid cells to cooperate with antitumor T cell responses.
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19
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Daldrup-Link HE, Theruvath AJ, Rashidi A, Iv M, Majzner RG, Spunt SL, Goodman S, Moseley M. How to stop using gadolinium chelates for magnetic resonance imaging: clinical-translational experiences with ferumoxytol. Pediatr Radiol 2022; 52:354-366. [PMID: 34046709 PMCID: PMC8626538 DOI: 10.1007/s00247-021-05098-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 03/01/2021] [Accepted: 04/28/2021] [Indexed: 12/17/2022]
Abstract
Gadolinium chelates have been used as standard contrast agents for clinical MRI for several decades. However, several investigators recently reported that rare Earth metals such as gadolinium are deposited in the brain for months or years. This is particularly concerning for children, whose developing brain is more vulnerable to exogenous toxins compared to adults. Therefore, a search is under way for alternative MR imaging biomarkers. The United States Food and Drug Administration (FDA)-approved iron supplement ferumoxytol can solve this unmet clinical need: ferumoxytol consists of iron oxide nanoparticles that can be detected with MRI and provide significant T1- and T2-signal enhancement of vessels and soft tissues. Several investigators including our research group have started to use ferumoxytol off-label as a new contrast agent for MRI. This article reviews the existing literature on the biodistribution of ferumoxytol in children and compares the diagnostic accuracy of ferumoxytol- and gadolinium-chelate-enhanced MRI. Iron oxide nanoparticles represent a promising new class of contrast agents for pediatric MRI that can be metabolized and are not deposited in the brain.
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Affiliation(s)
- Heike E. Daldrup-Link
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University
- Department of Pediatrics, Division of Hematology/Oncology, Stanford University
| | - Ashok J. Theruvath
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University
| | - Ali Rashidi
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University
| | - Michael Iv
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University
| | - Robbie G. Majzner
- Department of Pediatrics, Division of Hematology/Oncology, Stanford University
| | - Sheri L. Spunt
- Department of Pediatrics, Division of Hematology/Oncology, Stanford University
| | | | - Michael Moseley
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University
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20
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Theruvath J, Menard M, Smith BAH, Linde MH, Coles GL, Dalton GN, Wu W, Kiru L, Delaidelli A, Sotillo E, Silberstein JL, Geraghty AC, Banuelos A, Radosevich MT, Dhingra S, Heitzeneder S, Tousley A, Lattin J, Xu P, Huang J, Nasholm N, He A, Kuo TC, Sangalang ERB, Pons J, Barkal A, Brewer RE, Marjon KD, Vilches-Moure JG, Marshall PL, Fernandes R, Monje M, Cochran JR, Sorensen PH, Daldrup-Link HE, Weissman IL, Sage J, Majeti R, Bertozzi CR, Weiss WA, Mackall CL, Majzner RG. Anti-GD2 synergizes with CD47 blockade to mediate tumor eradication. Nat Med 2022; 28:333-344. [PMID: 35027753 PMCID: PMC9098186 DOI: 10.1038/s41591-021-01625-x] [Citation(s) in RCA: 108] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 11/10/2021] [Indexed: 12/17/2022]
Abstract
The disialoganglioside GD2 is overexpressed on several solid tumors, and monoclonal antibodies targeting GD2 have substantially improved outcomes for children with high-risk neuroblastoma. However, approximately 40% of patients with neuroblastoma still relapse, and anti-GD2 has not mediated significant clinical activity in any other GD2+ malignancy. Macrophages are important mediators of anti-tumor immunity, but tumors resist macrophage phagocytosis through expression of the checkpoint molecule CD47, a so-called 'Don't eat me' signal. In this study, we establish potent synergy for the combination of anti-GD2 and anti-CD47 in syngeneic and xenograft mouse models of neuroblastoma, where the combination eradicates tumors, as well as osteosarcoma and small-cell lung cancer, where the combination significantly reduces tumor burden and extends survival. This synergy is driven by two GD2-specific factors that reorient the balance of macrophage activity. Ligation of GD2 on tumor cells (a) causes upregulation of surface calreticulin, a pro-phagocytic 'Eat me' signal that primes cells for removal and (b) interrupts the interaction of GD2 with its newly identified ligand, the inhibitory immunoreceptor Siglec-7. This work credentials the combination of anti-GD2 and anti-CD47 for clinical translation and suggests that CD47 blockade will be most efficacious in combination with monoclonal antibodies that alter additional pro- and anti-phagocytic signals within the tumor microenvironment.
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Affiliation(s)
- Johanna Theruvath
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Marie Menard
- Departments of Neurology, Pediatrics, and Neurological Surgery, Brain Tumor Research Center, University of California, San Francisco, San Francisco, CA, USA
| | - Benjamin A H Smith
- ChEM-H Institute, Stanford University, Stanford, CA, USA
- Department of Chemical & Systems Biology, Stanford University, Stanford, CA, USA
| | - Miles H Linde
- Immunology Graduate Program, Stanford University School of Medicine, Stanford, CA, USA
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Garry L Coles
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
| | | | - Wei Wu
- Department of Radiology, Stanford University School of Medicine, Stanford, CA, USA
| | - Louise Kiru
- Department of Radiology, Stanford University School of Medicine, Stanford, CA, USA
| | | | - Elena Sotillo
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - John L Silberstein
- Immunology Graduate Program, Stanford University School of Medicine, Stanford, CA, USA
- Department of Bioengineering, Stanford University Schools of Engineering and Medicine, Stanford, CA, USA
| | - Anna C Geraghty
- Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, USA
| | - Allison Banuelos
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
| | | | - Shaurya Dhingra
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Sabine Heitzeneder
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Aidan Tousley
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - John Lattin
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Peng Xu
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Jing Huang
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Nicole Nasholm
- Departments of Neurology, Pediatrics, and Neurological Surgery, Brain Tumor Research Center, University of California, San Francisco, San Francisco, CA, USA
| | - Andy He
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | | | | | | | - Amira Barkal
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Medical Scientist Training Program, Stanford University, Stanford, CA, USA
| | - Rachel E Brewer
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Kristopher D Marjon
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Jose G Vilches-Moure
- Department of Comparative Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Payton L Marshall
- Stanford Medical Scientist Training Program, Stanford University, Stanford, CA, USA
| | - Ricardo Fernandes
- Chinese Academy of Medical Sciences (CAMS) Oxford Institute (COI), University of Oxford, Oxford, UK
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Michelle Monje
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
- Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, USA
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Jennifer R Cochran
- Department of Bioengineering, Stanford University Schools of Engineering and Medicine, Stanford, CA, USA
| | | | - Heike E Daldrup-Link
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA, USA
- Department of Radiology, Stanford University School of Medicine, Stanford, CA, USA
| | - Irving L Weissman
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Julien Sage
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Ravindra Majeti
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Carolyn R Bertozzi
- ChEM-H Institute, Stanford University, Stanford, CA, USA
- Department of Chemical & Systems Biology, Stanford University, Stanford, CA, USA
| | - William A Weiss
- Departments of Neurology, Pediatrics, and Neurological Surgery, Brain Tumor Research Center, University of California, San Francisco, San Francisco, CA, USA
| | - Crystal L Mackall
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Robbie G Majzner
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA.
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA.
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21
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Impact of limb amputation and cisplatin chemotherapy on metastatic progression in mouse models of osteosarcoma. Sci Rep 2021; 11:24435. [PMID: 34952927 PMCID: PMC8709858 DOI: 10.1038/s41598-021-04018-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 12/08/2021] [Indexed: 12/23/2022] Open
Abstract
Development of animal models that accurately recapitulate human cancer is an ongoing challenge. This is particularly relevant in the study of osteosarcoma (OS), a highly malignant bone tumor diagnosed in approximately 1000 pediatric/adolescent patients each year. Metastasis is the leading cause of patient death underscoring the need for relevant animal models of metastatic OS. In this study, we describe how existing OS mouse models can be interrogated in a time-course context to determine the kinetics of spontaneous metastasis from an orthotopically implanted primary tumor. We evaluated four highly metastatic OS cell lines (3 human, 1 mouse) to establish a timeline for metastatic progression in immune deficient NSG mice. To discern the effects of therapy on tumor development and metastasis in these models, we investigated cisplatin therapy and surgical limb amputation at early and late timepoints. These data help define the appropriate observational periods for studies of metastatic progression in OS and further our understanding of existing mouse models. Efforts to advance the study of metastatic OS are critical for facilitating the identification of novel therapeutics and for improving patient survival.
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22
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Kasiram MZ, Hapidin H, Abdullah H, Hashim NM, Azlina A, Sulong S. Tannic acid enhances cisplatin effect on cell proliferation and apoptosis of human osteosarcoma cell line (U2OS). Pharmacol Rep 2021; 74:175-188. [PMID: 34652600 DOI: 10.1007/s43440-021-00330-3] [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: 06/06/2021] [Revised: 09/28/2021] [Accepted: 10/02/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND The increase in cases of chemoresistance of cisplatin for osteosarcoma treatment has called for the need to establish a new treatment regime. Tannic acid (TA) possesses a potent antiproliferative effect against various cancers. Therefore, this study investigated the effect of TA combined with cisplatin on human osteosarcoma cell lines (U2OS). METHODS MTT assay was used to determine the half-maximal inhibitory concentration (IC50), while the combination index (CI) value was utilized to analyze the interaction within each combination. The antiproliferative effect of the treatment was evaluated by trypan blue exclusion assay. The morphological changes of cells were observed under a phase-contrast inverted microscope. The nuclear morphology and percentage of apoptosis cells were evaluated by using the Hoechst 33258 staining and annexin V/PI assay, respectively. RESULTS The U2OS cells showed cytotoxic effect when treated with TA and cisplatin, with IC50 at 4.47 µg/mL and 16.25 µg/mL, respectively. The TA demonstrated no significant inhibition effect on the normal human fetal osteoblast cells (hFOB 1.19); yet, interestingly, a potent proliferative effect was indicated. Synergistic interaction was triggered when TA was combined with cisplatin at percentage ratios of 90:10 and 85:15. Meanwhile, antagonistic interaction was induced in the combination at percentage ratios of 75:25 and 50:50. On the other hand, a significant antiproliferative effect with prominent morphological alteration was detected in the cells treated with a combination of TA and cisplatin at the percentage ratio of 90:10. Additionally, combination-treated cells demonstrated the highest percentage of apoptosis cells, with distinct chromosomal condensation, nuclear fragmentation, reduction of nuclear volume, and notable apoptotic body. CONCLUSION Therefore, there is a high potential for the inclusion of TA in the cisplatin-based chemotherapeutic regimen of osteosarcoma.
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Affiliation(s)
- Mohamad Zahid Kasiram
- School of Health Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Hermizi Hapidin
- School of Health Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia.
| | - Hasmah Abdullah
- School of Health Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Nor Munira Hashim
- School of Health Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Ahmad Azlina
- School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Sarina Sulong
- School of Medical Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
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23
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Baratto L, Hawk KE, States L, Qi J, Gatidis S, Kiru L, Daldrup-Link HE. PET/MRI Improves Management of Children with Cancer. J Nucl Med 2021; 62:1334-1340. [PMID: 34599010 PMCID: PMC8724894 DOI: 10.2967/jnumed.120.259747] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 05/21/2021] [Indexed: 01/11/2023] Open
Abstract
Integrated PET/MRI has shown significant clinical value for staging and restaging of children with cancer by providing functional and anatomic tumor evaluation with a 1-stop imaging test and with up to 80% reduced radiation exposure compared with 18F-FDG PET/CT. This article reviews clinical applications of 18F-FDG PET/MRI that are relevant for pediatric oncology, with particular attention to the value of PET/MRI for patient management. Early adopters from 4 different institutions share their insights about specific advantages of PET/MRI technology for the assessment of young children with cancer. We discuss how whole-body PET/MRI can be of value in the evaluation of certain anatomic regions, such as soft tissues and bone marrow, as well as specific PET/MRI interpretation hallmarks in pediatric patients. We highlight how whole-body PET/MRI can improve the clinical management of children with lymphoma, sarcoma, and neurofibromatosis, by reducing the number of radiologic examinations needed (and consequently the radiation exposure), without losing diagnostic accuracy. We examine how PET/MRI can help in differentiating malignant tumors versus infectious or inflammatory diseases. Future research directions toward the use of PET/MRI for treatment evaluation of patients undergoing immunotherapy and assessment of different theranostic agents are also briefly explored. Lessons learned from applications in children might also be extended to evaluations of adult patients.
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Affiliation(s)
- Lucia Baratto
- Department of Radiology, Stanford University, Stanford, California
| | - K Elizabeth Hawk
- Department of Radiology, Stanford University, Stanford, California
| | - Lisa States
- Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Jing Qi
- Department of Radiology, Children's Wisconsin, Milwaukee, Wisconsin
| | - Sergios Gatidis
- Department of Diagnostic and Interventional Radiology, University Hospital Tübingen, Tübingen, Germany; and
| | - Louise Kiru
- Department of Radiology, Stanford University, Stanford, California
| | - Heike E Daldrup-Link
- Department of Radiology, Stanford University, Stanford, California;
- Department of Pediatrics, Stanford University, Stanford, California
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24
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Kasiram MZ, Hapidin H, Abdullah H, Ahmad A, Sulong S. Combination Therapy of Cisplatin and other Agents for Osteosarcoma: A Review. CURRENT CANCER THERAPY REVIEWS 2021. [DOI: 10.2174/1573394716999201016160946] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Background:
Osteosarcoma is the most common type of primary bone tumor in children
and adolescents, which is associated with rapid progression and poor prognosis. Multimodal
therapy is the most common approach utilized for osteosarcoma management, such as the application
of chemotherapy in combination with surgery or radiation therapy. Cisplatin is one of the predominantly
used chemotherapeutic agents for osteosarcoma. Optimally, it is employed in combination
with other chemotherapeutic drugs along with surgery or radiation therapy. Despite the availability
of numerous treatment approaches, the patient survival rate has not definitively improved
over the past three decades.
Methods:
We have summarized all findings regarding the combination of cisplatin with other chemotherapeutic
agents as well as with phytochemical compounds.
Results:
A combination of cisplatin with a phytochemical compound synergistically enhances the
killing effect of cisplatin on osteosarcoma cells with fewer side effects compared to combination
with other chemotherapeutic agents.
Conclusion:
Conclusively, a combination of cisplatin with selected chemotherapeutic drugs has
been shown to be effective. However, the unchanged survival rate has posed an urge to search for a
new combination regimen. As a collaborative effort to substantiate the therapeutic efficacy, the
combination with phytochemical compounds shows a promising response both in vitro as well as
in the preclinical study.
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Affiliation(s)
- Mohamad Z. Kasiram
- School of Health Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Hermizi Hapidin
- School of Health Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Hasmah Abdullah
- School of Health Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Azlina Ahmad
- School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Sarina Sulong
- Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
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25
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DeRosa A, Leftin A. The Iron Curtain: Macrophages at the Interface of Systemic and Microenvironmental Iron Metabolism and Immune Response in Cancer. Front Immunol 2021; 12:614294. [PMID: 33986740 PMCID: PMC8110925 DOI: 10.3389/fimmu.2021.614294] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 03/29/2021] [Indexed: 12/13/2022] Open
Abstract
Macrophages fulfill central functions in systemic iron metabolism and immune response. Infiltration and polarization of macrophages in the tumor microenvironment is associated with differential cancer prognosis. Distinct metabolic iron and immune phenotypes in tumor associated macrophages have been observed in most cancers. While this prompts the hypothesis that macroenvironmental manifestations of dysfunctional iron metabolism have direct associations with microenvironmental tumor immune response, these functional connections are still emerging. We review our current understanding of the role of macrophages in systemic and microenvironmental immune response and iron metabolism and discuss these functions in the context of cancer and immunometabolic precision therapy approaches. Accumulation of tumor associated macrophages with distinct iron pathologies at the invasive tumor front suggests an "Iron Curtain" presenting as an innate functional interface between systemic and microenvironmental iron metabolism and immune response that can be harnessed therapeutically to further our goal of treating and eliminating cancer.
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Affiliation(s)
- Angela DeRosa
- Department of Pharmacological Sciences, Stony Brook University School of Medicine, Stony Brook, NY, United States
| | - Avigdor Leftin
- Department of Pharmacological Sciences, Stony Brook University School of Medicine, Stony Brook, NY, United States
- Department of Radiology, Stony Brook University School of Medicine, Stony Brook, NY, United States
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26
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Landry MR, Walker JM, Sun C. Exploiting Phagocytic Checkpoints in Nanomedicine: Applications in Imaging and Combination Therapies. Front Chem 2021; 9:642530. [PMID: 33748077 PMCID: PMC7966415 DOI: 10.3389/fchem.2021.642530] [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: 12/16/2020] [Accepted: 01/21/2021] [Indexed: 12/20/2022] Open
Abstract
Recent interest in cancer immunotherapy has largely been focused on the adaptive immune system, particularly adoptive T-cell therapy and immune checkpoint blockade (ICB). Despite improvements in overall survival and progression-free survival across multiple cancer types, neither cell-based therapies nor ICB results in durable disease control in the majority of patients. A critical component of antitumor immunity is the mononuclear phagocyte system and its role in both innate and adaptive immunity. The phagocytic functions of these cells have been shown to be modulated through multiple pathways, including the CD47-SIRPα axis, which is manipulated by cancer cells for immune evasion. In addition to CD47, tumors express a variety of other “don’t eat me” signals, including beta-2-microglobulin and CD24, and “eat me” signals, including calreticulin and phosphatidylserine. Therapies targeting these signals can lead to increased phagocytosis of cancer cells; however, because “don’t eat me” signals are markers of “self” on normal cells, treatment can result in negative off-target effects, such as anemia and B-cell depletion. Recent preclinical research has demonstrated the potential of nanocarriers to synergize with prophagocytic therapies, address the off-target effects, improve pharmacokinetics, and codeliver chemotherapeutics. The high surface area-to-volume ratio of nanoparticles paired with preferential size for passive targeting allows for greater accumulation of therapeutic cargo. In addition, nanomaterials hold promise as molecular imaging agents for the detection of phagocytic markers. This mini review highlights the unique capabilities of nanotechnology to expand the application and efficacy of immunotherapy through recently discovered phagocytotic checkpoint therapies.
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Affiliation(s)
- Madeleine R Landry
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Portland, OR, United States
| | - Joshua M Walker
- Department of Radiation Medicine, School of Medicine, Oregon Health & Science University, Portland, OR, United States.,Department of Cell, Developmental, and Cancer Biology, School of Medicine, Oregon Health & Science University, Portland, OR, United States
| | - Conroy Sun
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Portland, OR, United States.,Department of Radiation Medicine, School of Medicine, Oregon Health & Science University, Portland, OR, United States
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27
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Koo J, Hayashi M, Verneris MR, Lee-Sherick AB. Targeting Tumor-Associated Macrophages in the Pediatric Sarcoma Tumor Microenvironment. Front Oncol 2020; 10:581107. [PMID: 33381449 PMCID: PMC7769312 DOI: 10.3389/fonc.2020.581107] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 11/09/2020] [Indexed: 12/14/2022] Open
Abstract
For many pediatric sarcoma patients, multi-modal therapy including chemotherapy, radiation, and surgery is sufficient to cure their disease. However, event-free and overall survival rates for patients with more advanced disease are grim, necessitating the development of novel therapeutic approaches. Within many pediatric sarcomas, the normal immune response, including recognition and destruction of cancer cells, is lost due to the highly immune suppressive tumor microenvironment (TME). In this setting, tumor cells evade immune detection and capitalize on the immune suppressed microenvironment, leading to unchecked proliferation and metastasis. Recent preclinical and clinical approaches are aimed at understanding this immune suppressive microenvironment and employing cancer immunotherapy in an attempt to overcome this, by renewing the ability of the immune system to recognize and destroy cancer cells. While there are several factors that drive the attenuation of immune responses in the sarcoma TME, one of the most remarkable are tumor associated macrophage (TAMs). TAMs suppress immune cytolytic function, promote tumor growth and metastases, and are generally associated with a poor prognosis in most pediatric sarcoma subtypes. In this review, we summarize the mechanisms underlying TAM-facilitated immune evasion and tumorigenesis and discuss the potential therapeutic application of TAM-focused drugs in the treatment of pediatric sarcomas.
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Affiliation(s)
- Jane Koo
- Department of Pediatric Hematology/Oncology/Bone Marrow Transplant, University of Colorado School of Medicine, Children's Hospital Colorado, Aurora, CO, United States
| | - Masanori Hayashi
- Department of Pediatric Hematology/Oncology/Bone Marrow Transplant, University of Colorado School of Medicine, Children's Hospital Colorado, Aurora, CO, United States
| | - Michael R Verneris
- Department of Pediatric Hematology/Oncology/Bone Marrow Transplant, University of Colorado School of Medicine, Children's Hospital Colorado, Aurora, CO, United States
| | - Alisa B Lee-Sherick
- Department of Pediatric Hematology/Oncology/Bone Marrow Transplant, University of Colorado School of Medicine, Children's Hospital Colorado, Aurora, CO, United States
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28
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Luo ZW, Liu PP, Wang ZX, Chen CY, Xie H. Macrophages in Osteosarcoma Immune Microenvironment: Implications for Immunotherapy. Front Oncol 2020; 10:586580. [PMID: 33363016 PMCID: PMC7758531 DOI: 10.3389/fonc.2020.586580] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 11/05/2020] [Indexed: 12/14/2022] Open
Abstract
Osteosarcoma is a malignant primary bone tumor commonly occurring in children and adolescents. The treatment of local osteosarcoma is mainly based on surgical resection and chemotherapy, whereas the improvement of overall survival remains stagnant, especially in recurrent or metastatic cases. Tumor microenvironment (TME) is closely related to the occurrence and development of tumors, and macrophages are among the most abundant immune cells in the TME. Due to their vital roles in tumor progression, macrophages have gained increasing attention as the new target of tumor immunotherapy. In this review, we present a brief overview of macrophages in the TME and highlight the clinical significance of macrophages and their roles in the initiation and progression of osteosarcoma. Finally, we summarize the therapeutic approaches targeting macrophage, which represent a promising strategy in osteosarcoma therapies.
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Affiliation(s)
- Zhong-Wei Luo
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China
| | - Pan-Pan Liu
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
| | - Zhen-Xing Wang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China
| | - Chun-Yuan Chen
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China
| | - Hui Xie
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Organ Injury, Aging and Regenerative Medicine, Changsha, China
- Hunan Key Laboratory of Bone Joint Degeneration and Injury, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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29
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Lilienthal I, Herold N. Targeting Molecular Mechanisms Underlying Treatment Efficacy and Resistance in Osteosarcoma: A Review of Current and Future Strategies. Int J Mol Sci 2020; 21:ijms21186885. [PMID: 32961800 PMCID: PMC7555161 DOI: 10.3390/ijms21186885] [Citation(s) in RCA: 155] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/13/2020] [Accepted: 09/15/2020] [Indexed: 12/12/2022] Open
Abstract
Osteosarcoma is the most common primary malignant bone tumour in children and adolescents. Due to micrometastatic spread, radical surgery alone rarely results in cure. Introduction of combination chemotherapy in the 1970s, however, dramatically increased overall survival rates from 20% to approximately 70%. Unfortunately, large clinical trials aiming to intensify treatment in the past decades have failed to achieve higher cure rates. In this review, we revisit how the heterogenous nature of osteosarcoma as well as acquired and intrinsic resistance to chemotherapy can account for stagnation in therapy improvement. We summarise current osteosarcoma treatment strategies focusing on molecular determinants of treatment susceptibility and resistance. Understanding therapy susceptibility and resistance provides a basis for rational therapy betterment for both identifying patients that might be cured with less toxic interventions and targeting resistance mechanisms to sensitise resistant osteosarcoma to conventional therapies.
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Affiliation(s)
- Ingrid Lilienthal
- Division of Paediatric Oncology, Department of Women’s and Children’s Health, Karolinska Institutet, SE-171 76 Stockholm, Sweden
- Correspondence: (I.L.); (N.H.); Tel.: +46-(0)8-52483204 (I.L. & N.H.)
| | - Nikolas Herold
- Division of Paediatric Oncology, Department of Women’s and Children’s Health, Karolinska Institutet, SE-171 76 Stockholm, Sweden
- Paediatric Oncology, Astrid Lindgren’s Children Hospital, Karolinska University Hospital, SE-171 76 Stockholm, Sweden
- Correspondence: (I.L.); (N.H.); Tel.: +46-(0)8-52483204 (I.L. & N.H.)
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30
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Gupta A, Taslim C, Tullius BP, Cripe TP. Therapeutic modulation of the CD47-SIRPα axis in the pediatric tumor microenvironment: working up an appetite. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2020; 3:550-562. [PMID: 35582455 PMCID: PMC8992496 DOI: 10.20517/cdr.2020.12] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 03/25/2020] [Accepted: 03/31/2020] [Indexed: 11/12/2022]
Abstract
Evasion of immune surveillance is one of the hallmarks of cancer. Although the adaptive immune system has been targeted via checkpoint inhibition, many patients do not sustain durable remissions due to the heterogeneity of the tumor microenvironment, so additional strategies are needed. The innate immune system has its own set of checkpoints, and tumors have co-opted this system by expressing surface receptors that inhibit phagocytosis. One of these receptors, CD47, also known as the "don't eat me" signal, has been found to be overexpressed by most cancer histologies and has been successfully targeted by antibodies blocking the receptor or its ligand, signal regulatory protein α (SIRPα). By enabling phagocytosis via antigen-presenting cells, interruption of CD47-SIRPα binding leads to earlier downstream activation of the adaptive immune system. Recent and ongoing clinical trials are demonstrating the safety and efficacy of CD47 blockade in combination with monoclonal antibodies, chemotherapy, or checkpoint inhibitors for adult cancer histologies. The aim of this review is to highlight the current literature and research on CD47, provide an impetus for investigation of its blockade in pediatric cancer histologies, and provide a rationale for new combination therapies in these patients.
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Affiliation(s)
- Ajay Gupta
- Division of Hematology, Oncology, Blood and Marrow Transplant, Nationwide Children’s Hospital, Columbus, OH 43205, USA
| | - Cenny Taslim
- Center for Childhood Cancer and Blood Diseases, Nationwide Children’s Hospital, Columbus, OH 43205, USA
| | - Brian P. Tullius
- Division of Hematology, Oncology, Blood and Marrow Transplant, Nationwide Children’s Hospital, Columbus, OH 43205, USA
| | - Timothy P. Cripe
- Division of Hematology, Oncology, Blood and Marrow Transplant, Nationwide Children’s Hospital, Columbus, OH 43205, USA
- Center for Childhood Cancer and Blood Diseases, Nationwide Children’s Hospital, Columbus, OH 43205, USA
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31
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Mukherjee S, Sonanini D, Maurer A, Daldrup-Link HE. The yin and yang of imaging tumor associated macrophages with PET and MRI. Am J Cancer Res 2019; 9:7730-7748. [PMID: 31695797 PMCID: PMC6831464 DOI: 10.7150/thno.37306] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 08/27/2019] [Indexed: 12/14/2022] Open
Abstract
Tumor associated macrophages (TAM) are key players in the cancer microenvironment. Molecular imaging modalities such as MRI and PET can be used to track and monitor TAM dynamics in tumors non-invasively, based on specific uptake and quantification of MRI-detectable nanoparticles or PET-detectable radiotracers. Particular molecular signatures can be leveraged to target anti-inflammatory TAM, which support tumor growth, and pro-inflammatory TAM, which suppress tumor growth. In addition, TAM-directed imaging probes can be designed to include immune modulating properties, thereby leading to combined diagnostic and therapeutic (theranostic) effects. In this review, we will discuss the complementary role of TAM-directed radiotracers and iron oxide nanoparticles for monitoring cancer immunotherapies with PET and MRI technologies. In addition, we will outline how TAM-directed imaging and therapy is interdependent and can be connected towards improved clinical outcomes
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