1
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Joshi S. New insights into SYK targeting in solid tumors. Trends Pharmacol Sci 2024; 45:904-918. [PMID: 39322438 DOI: 10.1016/j.tips.2024.08.006] [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: 06/15/2024] [Revised: 08/23/2024] [Accepted: 08/23/2024] [Indexed: 09/27/2024]
Abstract
Spleen tyrosine kinase (SYK) is predominantly expressed in hematopoietic cells and has been extensively studied for its pivotal role in B cell malignancies and autoimmune diseases. In epithelial solid tumors, SYK shows a paradoxical role, acting as a tumor suppressor in some cancers while driving tumor growth in others. Recent preclinical studies have identified the role of SYK in the tumor microenvironment (TME), revealing that SYK signaling in immune cells, especially B cells, and myeloid cells, promote immunosuppression, tumor growth, and metastasis across various solid tumors. This review explores the emerging roles of SYK in solid tumors, the mechanisms of SYK activation, and findings from preclinical and clinical studies of SYK inhibitors as either standalone treatments or in combination with immunotherapy or chemotherapy for solid tumors.
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Affiliation(s)
- Shweta Joshi
- Division of Pediatric Hematology-Oncology, Moores Cancer Center, University of California, San Diego, CA 92093-0815, USA.
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2
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Sharma A, Bhatia D. Programmable bionanomaterials for revolutionizing cancer immunotherapy. Biomater Sci 2024. [PMID: 39291418 DOI: 10.1039/d4bm00815d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2024]
Abstract
Cancer immunotherapy involves a cutting-edge method that utilizes the immune system to detect and eliminate cancer cells. It has shown substantial effectiveness in treating different types of cancer. As a result, its growing importance is due to its distinct benefits and potential for sustained recovery. However, the general deployment of this treatment is hindered by ongoing issues in maintaining minimal toxicity, high specificity, and prolonged effectiveness. Nanotechnology offers promising solutions to these challenges due to its notable attributes, including expansive precise surface areas, accurate ability to deliver drugs and controlled surface chemistry. This review explores the current advancements in the application of nanomaterials in cancer immunotherapy, focusing on three primary areas: monoclonal antibodies, therapeutic cancer vaccines, and adoptive cell treatment. In adoptive cell therapy, nanomaterials enhance the expansion and targeting capabilities of immune cells, such as T cells, thereby improving their ability to locate and destroy cancer cells. For therapeutic cancer vaccines, nanoparticles serve as delivery vehicles that protect antigens from degradation and enhance their uptake by antigen-presenting cells, boosting the immune response against cancer. Monoclonal antibodies benefit from nanotechnology through improved delivery mechanisms and reduced off-target effects, which increase their specificity and effectiveness. By highlighting the intersection of nanotechnology and immunotherapy, we aim to underscore the transformative potential of nanomaterials in enhancing the effectiveness and safety of cancer immunotherapies. Nanoparticles' ability to deliver drugs and biomolecules precisely to tumor sites reduces systemic toxicity and enhances therapeutic outcomes.
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Affiliation(s)
- Ayushi Sharma
- Department of Biotechnology, Institute of Applied Sciences and Humanities, GLA University, Mathura, Uttar Pradesh-281406, India.
| | - Dhiraj Bhatia
- Department of Biological Sciences and Engineering, Indian Institute of Technology Gandhinagar, Palaj 382355, Gandhinagar, India
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3
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Lin YC, Chen MC, Huang SW, Chen Y, Ho JHC, Lin FY, Tan XT, Chiang HC, Huang CC, Tu CY, Cho DY, Chiu SC. Targeting Dual Immune Checkpoints PD-L1 and HLA-G by Trispecific T Cell Engager for Treating Heterogeneous Lung Cancer. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2309697. [PMID: 39234811 DOI: 10.1002/advs.202309697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 06/04/2024] [Indexed: 09/06/2024]
Abstract
Immunotherapy targeting immune checkpoints (ICPs), such as programmed death-ligand-1 (PD-L1), is used as a treatment option for advanced or metastatic non-small cell lung cancer (NSCLC). However, overall response rate to anti-PD-L1 treatment is limited due to antigen heterogeneity and the immune-suppressive tumor microenvironment. Human leukocyte antigen-G (HLA-G), an ICP as well as a neoexpressed tumor-associated antigen, is previously demonstrated to be a beneficial target in combination with anti-PD-L1. In this study, a nanobody-based trispecific T cell engager (Nb-TriTE) is developed, capable of simultaneously binding to T cells, macrophages, and cancer cells while redirecting T cells toward tumor cells expressing PD-L1- and/or HLA-G. Nb-TriTE shows broad spectrum anti-tumor effects in vitro by augmenting cytotoxicity mediated by human peripheral blood mononuclear cells (PBMCs). In a humanized immunodeficient murine NSCLC model, Nb-TriTE exhibits superior anti-cancer potency compared to monoclonal antibodies and bispecific T cell engagers. Nb-TriTE, at the dose with pharmacoactivity, does not induce additional enhancement of circulating cytokines secretion from PMBCs. Nb-TriTE effectively prolongs the survival of mice without obvious adverse events. In conclusion, this study introduces an innovative therapeutic approach to address the challenges of immunotherapy and the tumor microenvironment in NSCLC through utilizing the dual ICP-targeting Nb-TriTE.
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Affiliation(s)
- Yu-Chuan Lin
- Translational Cell Therapy Center, China Medical University Hospital, No. 2, Yude Rd., North Dist., Taichung City, 404, Taiwan
- Shine-On BioMedical Co. Ltd., Rm. B, 10F., No. 573, Sec. 2, Taiwan Blvd., West Dist., Taichung City, 403, Taiwan
| | - Mei-Chih Chen
- Translational Cell Therapy Center, China Medical University Hospital, No. 2, Yude Rd., North Dist., Taichung City, 404, Taiwan
| | - Shi-Wei Huang
- Translational Cell Therapy Center, China Medical University Hospital, No. 2, Yude Rd., North Dist., Taichung City, 404, Taiwan
- Institute of New Drug Development, China Medical University, Taichung City, 404, Taiwan
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung City, 402, Taiwan
| | - Yeh Chen
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung City, 402, Taiwan
| | - Jennifer Hui-Chun Ho
- Shine-On BioMedical Co. Ltd., Rm. B, 10F., No. 573, Sec. 2, Taiwan Blvd., West Dist., Taichung City, 403, Taiwan
- Center for Translational Genomics and Regenerative Medicine Research, China Medical University Hospital, Taichung City, 404, Taiwan
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung City, 404, Taiwan
- Department of Medical Research, Eye Center, China Medical University Hospital, Taichung City, 404, Taiwan
| | - Fang-Yu Lin
- Translational Cell Therapy Center, China Medical University Hospital, No. 2, Yude Rd., North Dist., Taichung City, 404, Taiwan
| | - Xiao-Tong Tan
- Translational Cell Therapy Center, China Medical University Hospital, No. 2, Yude Rd., North Dist., Taichung City, 404, Taiwan
| | - Hung-Che Chiang
- Shine-On BioMedical Co. Ltd., Rm. B, 10F., No. 573, Sec. 2, Taiwan Blvd., West Dist., Taichung City, 403, Taiwan
- College of Medicine, China Medical University, Taichung City, 404, Taiwan
| | - Chiu-Ching Huang
- Shine-On BioMedical Co. Ltd., Rm. B, 10F., No. 573, Sec. 2, Taiwan Blvd., West Dist., Taichung City, 403, Taiwan
- Division of Nephrology and the Kidney Institute, Department of Internal Medicine, China Medical University Hospital, Taichung City, 404, Taiwan
| | - Chih-Yen Tu
- Division of Pulmonary and Critical Care, Department of Internal Medicine, China Medical University Hospital, Taichung City, 404, Taiwan
- School of Medicine, College of Medicine, China Medical University, Taichung City, 404, Taiwan
| | - Der-Yang Cho
- Translational Cell Therapy Center, China Medical University Hospital, No. 2, Yude Rd., North Dist., Taichung City, 404, Taiwan
- Institute of New Drug Development, China Medical University, Taichung City, 404, Taiwan
- Drug Development Center, China Medical University, Taichung City, 404, Taiwan
- Department of Neurosurgery, China Medical University Hospital, Taichung City, 404, Taiwan
| | - Shao-Chih Chiu
- Translational Cell Therapy Center, China Medical University Hospital, No. 2, Yude Rd., North Dist., Taichung City, 404, Taiwan
- Shine-On BioMedical Co. Ltd., Rm. B, 10F., No. 573, Sec. 2, Taiwan Blvd., West Dist., Taichung City, 403, Taiwan
- Institute of New Drug Development, China Medical University, Taichung City, 404, Taiwan
- Drug Development Center, China Medical University, Taichung City, 404, Taiwan
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4
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Li Z, Hu L, Wang Y, Liu Q, Liu J, Long H, Li Q, Luo L, Peng Y. Local administration of mRNA encoding cytokine cocktail confers potent anti-tumor immunity. Front Immunol 2024; 15:1455019. [PMID: 39290693 PMCID: PMC11406011 DOI: 10.3389/fimmu.2024.1455019] [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: 06/26/2024] [Accepted: 08/12/2024] [Indexed: 09/19/2024] Open
Abstract
Immunotherapy using inflammatory cytokines, such as interleukin (IL)-2 and interferon (IFN)-α, has been clinically validated in treating various cancers. However, systemic immunocytokine-based therapies are limited by the short half-life of recombinant proteins and severe dose-limiting toxicities. In this study, we exploited local immunotherapy by intratumoral administration of lipid nanoparticle (LNP)-encapsulated mRNA cocktail encoding cytokines IL-12, IL-7, and IFN-α. The cytokine mRNA cocktail induced tumor regression in multiple syngeneic mouse models and anti-tumor immune memory in one syngeneic mouse model. Additionally, immune checkpoint blockade further enhanced the anti-tumor efficacy of the cytokine mRNAs. Furthermore, human cytokine mRNAs exhibited robust anti-tumor efficacy in humanized mouse tumor models. Mechanistically, cytokine mRNAs induced tumor microenvironment inflammation, characterized by robust T cell infiltration and significant inflammatory cytokine and chemokine production.
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Affiliation(s)
- Zhigang Li
- Department of Research and Development, Liverna Therapeutics Inc., Zhuhai, China
| | - Ling Hu
- Department of Research and Development, Liverna Therapeutics Inc., Zhuhai, China
| | - Yi Wang
- Department of Research and Development, Liverna Therapeutics Inc., Zhuhai, China
| | - Qi Liu
- Department of Research and Development, Liverna Therapeutics Inc., Zhuhai, China
| | - Jun Liu
- Department of Research and Development, Liverna Therapeutics Inc., Zhuhai, China
| | - Haiyan Long
- Department of Research and Development, Liverna Therapeutics Inc., Zhuhai, China
| | - Qi Li
- Department of Research and Development, Liverna Therapeutics Inc., Zhuhai, China
| | - Liping Luo
- Department of Research and Development, Liverna Therapeutics Inc., Zhuhai, China
| | - Yucai Peng
- Department of Research and Development, Liverna Therapeutics Inc., Zhuhai, China
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5
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Martínez-Vila C, González-Navarro EA, Teixido C, Martin R, Aya F, Juan M, Arance A. Lymphocyte T Subsets and Outcome of Immune Checkpoint Inhibitors in Melanoma Patients: An Oncologist's Perspective on Current Knowledge. Int J Mol Sci 2024; 25:9506. [PMID: 39273452 PMCID: PMC11394732 DOI: 10.3390/ijms25179506] [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: 07/17/2024] [Revised: 08/09/2024] [Accepted: 08/26/2024] [Indexed: 09/15/2024] Open
Abstract
Melanoma is the most aggressive and deadly form of skin cancer, and its incidence has been steadily increasing over the past few decades, particularly in the Caucasian population. Immune checkpoint inhibitors (ICI), anti-PD-1 monotherapy or in combination with anti-CTLA-4, and more recently, anti-PD-1 plus anti-LAG-3 have changed the clinical evolution of this disease. However, a significant percentage of patients do not benefit from these therapies. Therefore, to improve patient selection, it is imperative to look for novel biomarkers. Immune subsets, particularly the quantification of lymphocyte T populations, could contribute to the identification of ICI responders. The main purpose of this review is to thoroughly examine significant published data on the potential role of lymphocyte T subset distribution in peripheral blood (PB) or intratumorally as prognostic and predictive of response biomarkers in advanced melanoma patients treated with ICI regardless of BRAFV600 mutational status.
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Affiliation(s)
- Clara Martínez-Vila
- Department of Medical Oncology, Althaia Xarxa Assistencial Universitària de Manresa, Dr. Joan Soler, 1-3, 08243 Manresa, Spain
- Programa de Doctorat en Medicina i Recerca Translacional, Facultat de Medicina, Universitat de Barcelona, 08036 Barcelona, Spain
- Institut de Recerca i Innovació en Ciències de la Vida i de la Salut a la Catalunya Central (IRIS-CC), Roda 70, 08500 Vic, Spain
| | - Europa Azucena González-Navarro
- Department of Immunology, Hospital Clínic of Barcelona, University of Barcelona, Villarroel 170, 08036 Barcelona, Spain
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Rosselló 149, 08036 Barcelona, Spain
| | - Cristina Teixido
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Rosselló 149, 08036 Barcelona, Spain
- Department of Pathology, Hospital Clínic of Barcelona, University of Barcelona, Villarroel 170, 08036 Barcelona, Spain
| | - Roberto Martin
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Rosselló 149, 08036 Barcelona, Spain
- Department of Medical Oncology, Hospital Clínic of Barcelona, University of Barcelona, Villarroel 170, 08036 Barcelona, Spain
- Grupo Español de Terapias Inmunobiológicas en Cáncer (GETICA), Velázquez 7, 28001 Madrid, Spain
| | - Francisco Aya
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Rosselló 149, 08036 Barcelona, Spain
- Department of Medical Oncology, Hospital Clínic of Barcelona, University of Barcelona, Villarroel 170, 08036 Barcelona, Spain
- Grupo Español de Terapias Inmunobiológicas en Cáncer (GETICA), Velázquez 7, 28001 Madrid, Spain
| | - Manel Juan
- Department of Immunology, Hospital Clínic of Barcelona, University of Barcelona, Villarroel 170, 08036 Barcelona, Spain
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Rosselló 149, 08036 Barcelona, Spain
- Grupo Español de Terapias Inmunobiológicas en Cáncer (GETICA), Velázquez 7, 28001 Madrid, Spain
| | - Ana Arance
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Rosselló 149, 08036 Barcelona, Spain
- Department of Medical Oncology, Hospital Clínic of Barcelona, University of Barcelona, Villarroel 170, 08036 Barcelona, Spain
- Grupo Español de Terapias Inmunobiológicas en Cáncer (GETICA), Velázquez 7, 28001 Madrid, Spain
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6
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Al-Eryani K, Epstein JB, Monreal AV, Villa A. Orofacial complications from immune checkpoint inhibitors: A retrospective analysis from two academic medical centers. Head Neck 2024; 46:1865-1872. [PMID: 38258988 DOI: 10.1002/hed.27646] [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: 11/04/2023] [Revised: 12/31/2023] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
BACKGROUND Immune checkpoint inhibitors (ICIs) are FDA-approved for various cancers, yet their orofacial immune-related adverse events (irAEs) remain poorly understood. Our two-center retrospective study aims to better understand the prevalence and nature of these orofacial irAEs. METHODS We retrospectively collected demographics, ICI details, and onset of orofacial irAEs in ICI-treated patients at University of California San Francisco and City of Hope (2013-2021). Orofacial irAEs were identified by ICD-10 codes and data categorized as dry mouth/xerostomia, oral mucosal lesions, and orofacial neuropathies. Patients with pre-existing orofacial conditions resembling the reported irAEs were excluded. RESULTS Among 3768 ICI-treated patients, 408 (10.8%) developed 467 orofacial irAEs: oral mucosal diseases (41.4%), dry mouth/xerostomia (41.0%), and orofacial neuropathies (17.6%). Notably, head and neck cancers had the highest incidence of orofacial irAEs. CONCLUSIONS Orofacial irAEs are relatively common in patients receiving ICIs, necessitating careful monitoring and management of these complications during and after the treatment.
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Affiliation(s)
- Kamal Al-Eryani
- Department of Orofacial Sciences, University of California, San Francisco, California, USA
| | - Joel B Epstein
- Dental Oncology Services, City of Hope Comprehensive Cancer Center, Duarte, California, USA
- Cedars Sinai Health System, Los Angeles, California, USA
| | - Anette Vistoso Monreal
- Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, California, USA
| | - Alessandro Villa
- Department of Orofacial Sciences, University of California, San Francisco, California, USA
- Oral Medicine, Oral Oncology and Dentistry, Miami Cancer Institute, Miami, Florida, USA
- Herbert Wertheim College of Medicine, Florida International University, Miami, Florida, USA
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7
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Jama M, Tabana Y, Barakat KH. Targeting cytotoxic lymphocyte antigen 4 (CTLA-4) in breast cancer. Eur J Med Res 2024; 29:353. [PMID: 38956700 PMCID: PMC11218087 DOI: 10.1186/s40001-024-01901-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 05/23/2024] [Indexed: 07/04/2024] Open
Abstract
Breast cancer (BC) has a high mortality rate and is one of the most common malignancies in the world. Initially, BC was considered non-immunogenic, but a paradigm shift occurred with the discovery of tumor-infiltrating lymphocytes (TILs) and regulatory T cells (Tregs) in the BC tumor microenvironment. CTLA-4 (Cytotoxic T-lymphocyte-associated protein 4) immunotherapy has emerged as a treatment option for BC, but it has limitations, including suboptimal antitumor effects and toxicity. Research has demonstrated that anti-CTLA-4 combination therapies, such as Treg depletion, cancer vaccines, and modulation of the gut microbiome, are significantly more effective than CTLA-4 monoclonal antibody (mAB) monotherapy. Second-generation CTLA-4 antibodies are currently being developed to mitigate immune-related adverse events (irAEs) and augment antitumor efficacy. This review examines anti-CTLA-4 mAB in BC, both as monotherapy and in combination with other treatments, and sheds light on ongoing clinical trials, novel CTLA-4 therapeutic strategies, and potential utility of biomarkers in BC.
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Affiliation(s)
- Maryam Jama
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Canada
| | - Yasser Tabana
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Canada
- Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Khaled H Barakat
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Canada.
- Li Ka Shing Institute of Virology, University of Alberta, Edmonton, Canada.
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8
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Su LY, Tian Y, Zheng Q, Cao Y, Yao M, Wang S, Xu W, Xi C, Clocchiatti A, Nie G, Zhou H. Anti-tumor immunotherapy using engineered bacterial outer membrane vesicles fused to lysosome-targeting chimeras mediated by transferrin receptor. Cell Chem Biol 2024; 31:1219-1230.e5. [PMID: 38309277 DOI: 10.1016/j.chembiol.2024.01.002] [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: 07/17/2023] [Revised: 11/07/2023] [Accepted: 01/11/2024] [Indexed: 02/05/2024]
Abstract
The lysosome-targeting chimera (LYTAC) approach has shown promise for the targeted degradation of secreted and membrane proteins via lysosomes. However, there have been challenges in design, development, and targeting. Here, we have designed a genetically engineered transferrin receptor (TfR)-mediated lysosome-targeting chimera (TfR-LYTAC) that is efficiently internalized via TfR-mediate endocytosis and targets PD-L1 for lysosomal degradation in cultured cells but not in vivo due to short half-life and poor tumor targeting. A delivery platform was developed by fusing TfR-LYTAC to the surface of bacterial outer membrane vesicles (OMVs). The engineered OMV-LYTAC combines PD-1/PD-L1 pathway inhibition with LYTAC and immune activation by bacterial OMVs. OMV-LYTAC significantly reduced tumor growth in vivo. We have provided a modular and simple genetic strategy for lysosomal degradation as well as a delivery platform for in vivo tumor targeting. The study paves the way for the targeting and degradation of extracellular proteins using the TfR-LYTAC system.
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Affiliation(s)
- Ling-Yan Su
- College of Food Science and Technology, Yunnan Agricultural University, No. 452 Fengyuan Road, Kunming 650000, China; Yunnan Provincial Key Laboratory of Precision Nutrition and Personalized Food Manufacturing, Yunnan Agricultural University, Kunming 650000, China
| | - Yang Tian
- College of Food Science and Technology, Yunnan Agricultural University, No. 452 Fengyuan Road, Kunming 650000, China; Yunnan Provincial Key Laboratory of Precision Nutrition and Personalized Food Manufacturing, Yunnan Agricultural University, Kunming 650000, China
| | - Qiang Zheng
- Department of Cardiovascular Surgery, The First People Hospital of Yunnan Province, Xishan District, No.157 Jinbi Road, Kunming 650032, China
| | - Yu Cao
- Department of Cardiovascular Surgery, The First People Hospital of Yunnan Province, Xishan District, No.157 Jinbi Road, Kunming 650032, China
| | - Mengyu Yao
- Department of Cardiovascular Surgery, The First People Hospital of Yunnan Province, Xishan District, No.157 Jinbi Road, Kunming 650032, China
| | - Shuangping Wang
- College of Food Science and Technology, Yunnan Agricultural University, No. 452 Fengyuan Road, Kunming 650000, China
| | - Wen Xu
- College of Food Science and Technology, Yunnan Agricultural University, No. 452 Fengyuan Road, Kunming 650000, China
| | - Chuyu Xi
- College of Food Science and Technology, Yunnan Agricultural University, No. 452 Fengyuan Road, Kunming 650000, China
| | - Andrea Clocchiatti
- Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Guangjun Nie
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, 11 Beiyitiao, Zhongguancun, Beijing 100190, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Hejiang Zhou
- College of Food Science and Technology, Yunnan Agricultural University, No. 452 Fengyuan Road, Kunming 650000, China; Yunnan Provincial Key Laboratory of Precision Nutrition and Personalized Food Manufacturing, Yunnan Agricultural University, Kunming 650000, China.
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9
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Haustrate A, Cordier C, Shapovalov G, Mihalache A, Desruelles E, Soret B, Essonghé NC, Spriet C, Yassine M, Barras A, Marines J, Alcaraz LB, Szunerits S, Robin G, Gosset P, Prevarskaya N, Lehen'kyi V. Trpv6 channel targeting using monoclonal antibody induces prostate cancer cell apoptosis and tumor regression. Cell Death Dis 2024; 15:419. [PMID: 38879621 PMCID: PMC11180136 DOI: 10.1038/s41419-024-06809-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 05/29/2024] [Accepted: 06/04/2024] [Indexed: 06/19/2024]
Abstract
TRPV6 calcium channel is a prospective target in prostate cancer (PCa) since it is not expressed in healthy prostate while its expression increases during cancer progression. Despite the role of TRPV6 in PCa cell survival and apoptotic resistance has been already established, no reliable tool to target TRPV6 channel in vivo and thus to reduce tumor burden is known to date. Here we report the generation of mouse monoclonal antibody mAb82 raised against extracellular epitope of the pore region of the channel. mAb82 inhibited TRPV6 currents by 90% at 24 µg/ml in a dose-dependent manner while decreasing store-operated calcium entry to 56% at only 2.4 µg/ml. mAb82 decreased PCa survival rate in vitro by 71% at 12 µg/ml via inducing cell death through the apoptosis cascade via activation of the protease calpain, following bax activation, mitochondria enlargement, and loss of cristae, Cyt C release, pro-caspase 9 cleavage with the subsequent activation of caspases 3/7. In vivo, mice bearing either PC3Mtrpv6+/+ or PC3Mtrpv6-/-+pTRPV6 tumors were successfully treated with mAb82 at the dose as low as 100 µg/kg resulting in a significant reduction tumor growth by 31% and 90%, respectively. The survival rate was markedly improved by 3.5 times in mice treated with mAb82 in PC3Mtrpv6+/+ tumor group and completely restored in PC3Mtrpv6-/-+pTRPV6 tumor group. mAb82 showed a TRPV6-expression dependent organ distribution and virtually no toxicity in the same way as mAbAU1, a control antibody of the same Ig2a isotype. Overall, our data demonstrate for the first time the use of an anti-TRPV6 monoclonal antibody in vitro and in vivo in the treatment of the TRPV6-expressing PCa tumors.
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Affiliation(s)
- Aurélien Haustrate
- Department of Biology, Laboratory of Cell Physiology, INSERM U1003, Laboratory of Excellence Ion Channels Science and Therapeutics, Faculty of Science and Technologies, University of Lille, 59650, Villeneuve d'Ascq, France
- FONDATION ARC, 9 rue Guy Môquet, 94830, Villejuif, France
| | - Clément Cordier
- Department of Biology, Laboratory of Cell Physiology, INSERM U1003, Laboratory of Excellence Ion Channels Science and Therapeutics, Faculty of Science and Technologies, University of Lille, 59650, Villeneuve d'Ascq, France
| | - George Shapovalov
- Department of Biology, Laboratory of Cell Physiology, INSERM U1003, Laboratory of Excellence Ion Channels Science and Therapeutics, Faculty of Science and Technologies, University of Lille, 59650, Villeneuve d'Ascq, France
| | - Adriana Mihalache
- Service d'Anatomie et de Cytologie Pathologiques, Groupement des Hôpitaux de l'Institut Catholique de Lille (GHICL), 59000, Lille, France
| | - Emilie Desruelles
- Department of Biology, Laboratory of Cell Physiology, INSERM U1003, Laboratory of Excellence Ion Channels Science and Therapeutics, Faculty of Science and Technologies, University of Lille, 59650, Villeneuve d'Ascq, France
| | - Benjamin Soret
- Department of Biology, Laboratory of Cell Physiology, INSERM U1003, Laboratory of Excellence Ion Channels Science and Therapeutics, Faculty of Science and Technologies, University of Lille, 59650, Villeneuve d'Ascq, France
| | - Nadège Charlène Essonghé
- Department of Biology, Laboratory of Cell Physiology, INSERM U1003, Laboratory of Excellence Ion Channels Science and Therapeutics, Faculty of Science and Technologies, University of Lille, 59650, Villeneuve d'Ascq, France
| | - Corentin Spriet
- University of Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, US 41 - UAR 2014 - PLBS, F-59000, Lille, France
| | - Maya Yassine
- Department of Biology, Laboratory of Cell Physiology, INSERM U1003, Laboratory of Excellence Ion Channels Science and Therapeutics, Faculty of Science and Technologies, University of Lille, 59650, Villeneuve d'Ascq, France
| | - Alexandre Barras
- University of Lille, CNRS, University Polytechnique Hauts-de-France, UMR 8520 - IEMN, F-59000, Lille, France
| | | | | | - Sabine Szunerits
- University of Lille, CNRS, University Polytechnique Hauts-de-France, UMR 8520 - IEMN, F-59000, Lille, France
| | - Gautier Robin
- Mabqi, Cap Sigma, Zac Euromédecine II, Grabels, France
| | - Pierre Gosset
- Service d'Anatomie et de Cytologie Pathologiques, Groupement des Hôpitaux de l'Institut Catholique de Lille (GHICL), 59000, Lille, France
| | - Natalia Prevarskaya
- Department of Biology, Laboratory of Cell Physiology, INSERM U1003, Laboratory of Excellence Ion Channels Science and Therapeutics, Faculty of Science and Technologies, University of Lille, 59650, Villeneuve d'Ascq, France
| | - V'yacheslav Lehen'kyi
- Department of Biology, Laboratory of Cell Physiology, INSERM U1003, Laboratory of Excellence Ion Channels Science and Therapeutics, Faculty of Science and Technologies, University of Lille, 59650, Villeneuve d'Ascq, France.
- FONDATION ARC, 9 rue Guy Môquet, 94830, Villejuif, France.
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10
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Sun YT, Lu SX, Lai MY, Yang X, Guan WL, Yang LQ, Li YH, Wang FH, Yang DJ, Qiu MZ. Clinical outcomes and biomarker exploration of first-line PD-1 inhibitors plus chemotherapy in patients with low PD-L1-expressing of gastric or gastroesophageal junction adenocarcinoma. Cancer Immunol Immunother 2024; 73:144. [PMID: 38832979 PMCID: PMC11150231 DOI: 10.1007/s00262-024-03721-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 05/02/2024] [Indexed: 06/06/2024]
Abstract
BACKGROUND The beneficial effects of first-line programmed death-1 (PD-1) inhibitors plus chemotherapy in patients with low programmed death-ligand 1 (PD-L1)-expressing advanced gastric or gastroesophageal junction (G/GEJ) adenocarcinoma are controversial. METHODS We conducted a retrospective analysis of patients with G/GEJ adenocarcinoma who had undergone first-line treatment with PD-1 inhibitors plus chemotherapy between October 2017 and May 2022. The primary outcomes were objective response rate (ORR) and progression-free survival (PFS). SPSS software V27.0 was used for data analysis. RESULTS Of 345 enrolled patients, 290 had measurable lesions. The overall ORR was 59.3%. PD-L1 status was available in 171 patients, and 67.8% of them were considered as low PD-L1 expression level (combined positive score (CPS) < 5). Patients with PD-L1 CPS < 5 showed a lower response rate (51.1% vs 70.8%, P = 0.024) and a worse PFS (P = 0.009) compared to those with PD-L1 CPS ≥ 5. In the PD-L1 low-expression cohort, patients with non-diffuse type, GEJ cancer, synchronous metastasis, distant lymph node metastasis, liver metastasis, non-peritoneal metastasis, and HER2 positive were significantly associated with higher response rates to PD-1 inhibitors plus chemotherapy (P < 0.05). The presence of peritoneal metastasis (P = 0.028) and diffuse type (P = 0.046) were identified as independent predictors of poor PFS in multivariate analysis of the PD-L1 CPS < 5 subgroup. When evaluated for correlation with overall survival (OS) in the PD-L1 low-expression subgroup, peritoneal metastasis was found to be the only independent prognostic factor of an increased risk of death (hazard ratio: 2.31, 95% CI 1.09-4.90; P = 0.029). CONCLUSIONS PD-L1 CPS ≥ 5 is significantly associated with improved response and extended PFS in G/GEJ cancer patients treated with a combination of PD-1 inhibitors and chemotherapy. Specific subgroups within the low PD-L1-expressing population, such as those with non-diffuse-type tumors and without peritoneal metastases, may also benefit from immunotherapy combined with chemotherapy.
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Affiliation(s)
- Yu-Ting Sun
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, 510060, People's Republic of China
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, People's Republic of China
| | - Shi-Xun Lu
- Department of Pathology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, 510060, People's Republic of China
| | - Ming-Yu Lai
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, 510060, People's Republic of China
| | - Xia Yang
- Department of Pathology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, 510060, People's Republic of China
| | - Wen-Long Guan
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, 510060, People's Republic of China
| | - Li-Qiong Yang
- Department of Basic Research, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, 510060, People's Republic of China
| | - Yu-Hong Li
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, 510060, People's Republic of China
| | - Feng-Hua Wang
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, 510060, People's Republic of China
| | - Da-Jun Yang
- Department of Basic Research, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, 510060, People's Republic of China.
| | - Miao-Zhen Qiu
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, 510060, People's Republic of China.
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11
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Zheng L, Xu Z, Zhang W, Lin H, Zhang Y, Zhou S, Liu Z, Gu X. Identification and validation of a prognostic signature based on six immune-related genes for colorectal cancer. Discov Oncol 2024; 15:192. [PMID: 38806963 PMCID: PMC11133253 DOI: 10.1007/s12672-024-01058-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 05/23/2024] [Indexed: 05/30/2024] Open
Abstract
BACKGROUND Colorectal cancer (CRC) is a prevalent malignancy with high mortality and morbidity rates. Although the significant efficacy of immunotherapy is well established, it is only beneficial for a limited number of individuals with CRC. METHODS Differentially expressed immune-related genes (DE-IRGs) were retrieved from The Cancer Genome Atlas (TCGA), Gene Expression Omnibus (GEO), and ImmPort databases. A prognostic signature comprising DE-IRGs was developed using univariate, LASSO, and multivariate Cox regression analyses. A nomogram integrating the independent prognostic factors was also developed. CIBERSORT was used to assess immune cell infiltration (ICI). Furthermore, wound-healing, colony formation, migration, and invasion assays were performed to study the involvement of ACTG1 in CRC. RESULTS A signature including six DE-IRGs was developed. The overall survival (OS) rate was accurately estimated for TCGA and GSE38832 cohorts. The risk score (RS) of the signature was an independent factor for OS. Moreover, a nomogram encompassing age, RS, and pathological T stage accurately predicted the long-term OS probability of individuals with CRC. The high-risk group had an elevated proportion of patients treated with ICIs, including native B cells, relative to the low-risk group. Additionally, ACTG1 expression was upregulated, which supported the proliferation, migration, and invasion abilities of CRC cells. CONCLUSIONS An immune-related prognostic signature was developed for predicting OS and for determining the immune status of individuals with CRC. The present study provides new insights into accurate immunotherapy for individuals with CRC. Moreover, ACTG1 may serve as a new immune biomarker.
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Affiliation(s)
- Lifeng Zheng
- Department of General Surgery, Nanjing Jiangbei Hospital, Nanjing, Jiangsu, China
| | - Ziyu Xu
- Department of General Surgery, Nanjing Jiangbei Hospital, Nanjing, Jiangsu, China
| | - Wulou Zhang
- Department of General Surgery, Nanjing Jiangbei Hospital, Nanjing, Jiangsu, China
| | - Hao Lin
- Department of General Surgery, Nanjing Jiangbei Hospital, Nanjing, Jiangsu, China
| | - Yepeng Zhang
- Department of General Surgery, Nanjing Jiangbei Hospital, Nanjing, Jiangsu, China
| | - Shu Zhou
- Department of General Surgery, Nanjing Jiangbei Hospital, Nanjing, Jiangsu, China.
| | - Zonghang Liu
- Department of General Surgery, Nanjing Jiangbei Hospital, Nanjing, Jiangsu, China.
| | - Xi Gu
- Department of General Surgery, Nanjing Jiangbei Hospital, Nanjing, Jiangsu, China.
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12
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Larson AC, Doty KR, Solheim JC. The double life of a chemotherapy drug: Immunomodulatory functions of gemcitabine in cancer. Cancer Med 2024; 13:e7287. [PMID: 38770637 PMCID: PMC11106691 DOI: 10.1002/cam4.7287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 04/19/2024] [Accepted: 04/28/2024] [Indexed: 05/22/2024] Open
Abstract
Although the development of immunotherapies has been revolutionary in the treatment of several cancers, many cancer types remain unresponsive to immune-based treatment and are largely managed by chemotherapy drugs. However, chemotherapeutics are not infallible and are frequently rendered ineffective as resistance develops from prolonged exposure. Recent investigations have indicated that some chemotherapy drugs have additional functions beyond their normative cytotoxic capacity and are in fact immune-modifying agents. Of the pharmaceuticals with identified immune-editing properties, gemcitabine is well-studied and of interest to clinicians and scientists alike. Gemcitabine is a chemotherapy drug approved for the treatment of multiple cancers, including breast, lung, pancreatic, and ovarian. Because of its broad applications, relatively low toxicity profile, and history as a favorable combinatory partner, there is promise in the recharacterization of gemcitabine in the context of the immune system. Such efforts may allow the identification of suitable immunotherapeutic combinations, wherein gemcitabine can be used as a priming agent to improve immunotherapy efficacy in traditionally insensitive cancers. This review looks to highlight documented immunomodulatory abilities of one of the most well-known chemotherapy agents, gemcitabine, relating to its influence on cells and proteins of the immune system.
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Affiliation(s)
- Alaina C. Larson
- Eppley Institute for Research in Cancer & Allied DiseasesUniversity of Nebraska Medical CenterOmahaNebraskaUSA
- Fred & Pamela Buffett Cancer CenterUniversity of Nebraska Medical CenterOmahaNebraskaUSA
| | - Kenadie R. Doty
- Eppley Institute for Research in Cancer & Allied DiseasesUniversity of Nebraska Medical CenterOmahaNebraskaUSA
- Fred & Pamela Buffett Cancer CenterUniversity of Nebraska Medical CenterOmahaNebraskaUSA
| | - Joyce C. Solheim
- Eppley Institute for Research in Cancer & Allied DiseasesUniversity of Nebraska Medical CenterOmahaNebraskaUSA
- Fred & Pamela Buffett Cancer CenterUniversity of Nebraska Medical CenterOmahaNebraskaUSA
- Department of Biochemistry & Molecular BiologyUniversity of Nebraska Medical CenterOmahaNebraskaUSA
- Department of Pathology, Microbiology, & ImmunologyUniversity of Nebraska Medical CenterOmahaNebraskaUSA
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13
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Lakhani N, Cosman R, Banerji U, Rasco D, Tomaszewska-Kiecana M, Garralda E, Kornacki D, Li J, Tian C, Bourayou N, Powderly J. A first-in-human phase I study of the PD-1 inhibitor, retifanlimab (INCMGA00012), in patients with advanced solid tumors (POD1UM-101). ESMO Open 2024; 9:102254. [PMID: 38387109 PMCID: PMC11076959 DOI: 10.1016/j.esmoop.2024.102254] [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: 05/22/2023] [Revised: 12/12/2023] [Accepted: 01/14/2024] [Indexed: 02/24/2024] Open
Abstract
BACKGROUND Retifanlimab is a humanized, hinge-stabilized immunoglobulin G4κ monoclonal antibody against human programmed cell death protein 1 (PD-1). This first-in-human, phase I study assessed the safety and efficacy of retifanlimab in patients with advanced solid tumors and identified optimal dosing. PATIENTS AND METHODS POD1UM-101 was conducted in two parts: (i) dose escalation-evaluated retifanlimab [1 mg/kg every 2 weeks (q2w), 3 or 10 mg/kg q2w or every 4 weeks (q4w)] in patients with relapsed/refractory, unresectable, locally advanced or metastatic solid tumors; (ii) cohort expansion-biomarker-unselected tumor-specific cohorts [endometrial, cervical, sarcoma, non-small-cell lung cancer (NSCLC)] received retifanlimab 3 mg/kg q2w, and tumor-agnostic cohorts received flat dosing [375 mg every 3 weeks (q3w), or 500 and 750 mg q4w]. Primary objectives were safety and tolerability; secondary objective was efficacy in selected tumor types. RESULTS Thirty-seven patients were enrolled in dose escalation, 134 in PD-1 therapy-naïve tumor-specific cohort expansion (endometrial, n = 29; cervical, NSCLC, soft tissue sarcoma, each n = 35), and 45 in flat dosing (375 mg q3w, 500 and 750 mg q4w, each n = 15). No dose-limiting toxicities occurred during dose escalation; maximum tolerated dose was not reached and 3-mg/kg q2w expansion dose was selected based on safety and pharmacokinetic data. Immune-related adverse events were experienced by 40 patients (30%) in tumor-specific cohorts (most frequently hypothyroidism, hyperthyroidism, colitis, nephritis) and 6 (13%) in flat dosing (most frequently hypothyroidism, hyperthyroidism). Objective response rate (95% confidence interval) was 14% (4.8 to 30.3), 14% (3.9 to 31.7), 20% (8.4 to 36.9), and 3% (0.1 to 14.9) in advanced NSCLC, endometrial, cervical, and sarcoma tumor-specific cohorts that progressed after multiple prior systemic therapies. CONCLUSIONS Retifanlimab demonstrated clinical pharmacology, safety, and antitumor activity consistent with the programmed death (ligand)-1 inhibitor class. POD1UM-101 results support further exploration of retifanlimab as monotherapy and backbone immunotherapy in combination treatments, with recommended doses of 500 mg q4w and 375 mg q3w.
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Affiliation(s)
| | - R Cosman
- Medical Oncology, The Kinghorn Cancer Centre, St. Vincent's Hospital, Sydney, Darlinghurst, Australia; School of Medicine, University of New South Wales, Kensington, Australia
| | - U Banerji
- Drug Development Unit, The Institute of Cancer Research and the Royal Marsden NHS Foundation Trust, London, UK
| | | | | | - E Garralda
- Early Drug Development Unit, Vall D'Hebron Institute of Oncology, Barcelona, Spain
| | | | - J Li
- Incyte Corporation, Wilmington, USA
| | - C Tian
- Incyte Corporation, Wilmington, USA
| | - N Bourayou
- Incyte Biosciences International Sàrl, Morges, Switzerland
| | - J Powderly
- Carolina BioOncology Institute, Huntersville, USA
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14
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Xu H, Chen S, Li J, Weng S, Ren Y, Zhang Y, Wang L, Liu L, Guo C, Xing Z, Luo P, Cheng Q, Han X, Liu Z. Cellular Ligand-Receptor Perturbations Unravel MEIS2 as a Key Factor for the Aggressive Progression and Prognosis in Stage II/III Colorectal Cancer. J Proteome Res 2024; 23:760-774. [PMID: 38153233 DOI: 10.1021/acs.jproteome.3c00626] [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] [Indexed: 12/29/2023]
Abstract
Approximately 10-15% of stage II and 25-30% of stage III colorectal cancer (CRC) patients experience recurrence within 5 years after surgery, and existing taxonomies are insufficient to meet the needs of clinical precision treatment. Thus, robust biomarkers and precise management were urgently required to stratify stage II and III CRC and identify potential patients who will benefit from postoperative adjuvant therapy. Alongside, interactions of ligand-receptor pairs point to an emerging direction in tumor signaling with far-reaching implications for CRC, while their impact on tumor subtyping has not been elucidated. Herein, based on multiple large-sample multicenter cohorts and perturbations of the ligand-receptor interaction network, four well-characterized ligand-receptor-driven subtypes (LRDS) were established and further validated. These molecular taxonomies perform with unique heterogeneity in terms of molecular characteristics, immune and mutational landscapes, and clinical features. Specifically, MEIS2, a key LRDS4 factor, performs significant associations with proliferation, invasion, migration, and dismal prognosis of stage II/III CRC, revealing promising directions for prognostic assessment and individualized treatment of CRC patients. Overall, our study sheds novel insights into the implications of intercellular communication on stage II/III CRC from a ligand-receptor interactome perspective and revealed MEIS2 as a key factor in the aggressive progression and prognosis for stage II/III CRC.
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Affiliation(s)
- Hui Xu
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, Henan 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Shuang Chen
- Center of Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Jing Li
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, Henan 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Siyuan Weng
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, Henan 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Yuqing Ren
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Yuyuan Zhang
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, Henan 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Libo Wang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Long Liu
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Chunguang Guo
- Department of Endovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Zhe Xing
- Department of Neurosurgery, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Peng Luo
- Department of Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Quan Cheng
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha 410008, Hunan, P. R. China
| | - Xinwei Han
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, Henan 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Zaoqu Liu
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
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15
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Li F, Wang Y, Chen D, Du Y. Nanoparticle-Based Immunotherapy for Reversing T-Cell Exhaustion. Int J Mol Sci 2024; 25:1396. [PMID: 38338674 PMCID: PMC10855737 DOI: 10.3390/ijms25031396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/18/2024] [Accepted: 01/21/2024] [Indexed: 02/12/2024] Open
Abstract
T-cell exhaustion refers to a state of T-cell dysfunction commonly observed in chronic infections and cancer. Immune checkpoint molecules blockading using PD-1 and TIM-3 antibodies have shown promising results in reversing exhaustion, but this approach has several limitations. The treatment of T-cell exhaustion is still facing great challenges, making it imperative to explore new therapeutic strategies. With the development of nanotechnology, nanoparticles have successfully been applied as drug carriers and delivery systems in the treatment of cancer and infectious diseases. Furthermore, nanoparticle-based immunotherapy has emerged as a crucial approach to reverse exhaustion. Here, we have compiled the latest advances in T-cell exhaustion, with a particular focus on the characteristics of exhaustion that can be targeted. Additionally, the emerging nanoparticle-based delivery systems were also reviewed. Moreover, we have discussed, in detail, nanoparticle-based immunotherapies that aim to reverse exhaustion, including targeting immune checkpoint blockades, remodeling the tumor microenvironment, and targeting the metabolism of exhausted T cells, etc. These data could aid in comprehending the immunopathogenesis of exhaustion and accomplishing the objective of preventing and treating chronic diseases or cancer.
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Affiliation(s)
- Fei Li
- Institute of Pathogen Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China;
| | - Yahong Wang
- School of Public Health, Lanzhou University, Lanzhou 730000, China; (Y.W.); (D.C.)
| | - Dandan Chen
- School of Public Health, Lanzhou University, Lanzhou 730000, China; (Y.W.); (D.C.)
| | - Yunjie Du
- Institute of Pathogen Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China;
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16
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Su J, Fu Y, Cui Z, Abidin Z, Yuan J, Zhang X, Li R, Zhao C. Relatlimab: a novel drug targeting immune checkpoint LAG-3 in melanoma therapy. Front Pharmacol 2024; 14:1349081. [PMID: 38269271 PMCID: PMC10806167 DOI: 10.3389/fphar.2023.1349081] [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: 12/04/2023] [Accepted: 12/27/2023] [Indexed: 01/26/2024] Open
Abstract
Relatlimab is a type of human immunoglobulin G4 monoclonal blocking antibody. It is the world's first Lymphocyte-Activation Gene-3 (LAG-3) inhibitor and the third immune checkpoint inhibitor with clinical application, following PD-1 and CTLA-4. Relatlimab can bind to the LAG-3 receptor which blocks the interaction between LAG-3 and its ligand to reduce LAG-3 pathway-mediated immunosuppression and promote T-cell proliferation, inducing tumor cell death. On 18 March 2022, the U.S. FDA approved the fixed-dose combination of relatlimab developed by Bristol Myers Squibb with nivolumab, under the brand name Opdualag for the treatment of unresectable or metastatic melanoma in adult and pediatric patients aged 12 and older. This study comprehensively describes the mechanism of action and clinical trials of relatlimab and a brief overview of immune checkpoint drugs currently used for the treatment of melanoma.
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Affiliation(s)
- Jingjing Su
- Key Laboratory of Molecular Pharmacology and Translational Medicine and Department of Pharmacology, College of Pharmacy, Weifang Medical University, Weifang, China
| | - Yiting Fu
- Key Laboratory of Molecular Pharmacology and Translational Medicine and Department of Pharmacology, College of Pharmacy, Weifang Medical University, Weifang, China
| | - Zitong Cui
- Key Laboratory of Molecular Pharmacology and Translational Medicine and Department of Pharmacology, College of Pharmacy, Weifang Medical University, Weifang, China
| | - Zain Abidin
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John’s University, Queens, NY, United States
| | - Jingsong Yuan
- Key Laboratory of Molecular Pharmacology and Translational Medicine and Department of Pharmacology, College of Pharmacy, Weifang Medical University, Weifang, China
| | - Xinmiao Zhang
- Key Laboratory of Molecular Pharmacology and Translational Medicine and Department of Pharmacology, College of Pharmacy, Weifang Medical University, Weifang, China
| | - Runmin Li
- Key Laboratory of Molecular Pharmacology and Translational Medicine and Department of Pharmacology, College of Pharmacy, Weifang Medical University, Weifang, China
| | - Chunzhen Zhao
- Key Laboratory of Molecular Pharmacology and Translational Medicine and Department of Pharmacology, College of Pharmacy, Weifang Medical University, Weifang, China
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17
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Zhao L, Zhang W, Wu Y, Cao L, Wang L, Li K. A promising subgroup identification method based on a genetic algorithm for censored survival data. J Biopharm Stat 2024; 34:55-77. [PMID: 36727221 DOI: 10.1080/10543406.2023.2170397] [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: 01/21/2022] [Accepted: 01/16/2023] [Indexed: 02/03/2023]
Abstract
Modern precision medicine requires drug development to account for patients' heterogeneity, as only a subgroup of the patient population is likely to benefit from the targeted therapy. In this paper, we propose a novel method for subgroup identification based on a genetic algorithm. The proposed method can detect promising subgroups defined by predictive biomarkers in which the treatment effects are much higher than the population average. The main idea is to search for the subgroup with the greatest predictive ability in the entire subgroup space via a genetic algorithm. We design a real-valued representation of subgroups that evolves according to a genetic algorithm and derive an objective function that properly evaluates the predictive ability of the subgroups. Compared with model- or tree-based subgroup identification methods, the distinctive search strategy of this new approach offers an improved capability to explore subgroups defined by multiple predictive biomarkers. By embedding a resampling scheme, the multiplicity and complexity issues inherent in subgroup identification methods can be addressed flexibly. We evaluate the performance of the proposed method in comparison with two other methods using simulation studies and a real-world example. The results show that the proposed method exhibits good properties in terms of multiplicity and complexity control, and the subgroups identified are much more accurate. Although we focus on the implementation of censored survival data, this method could easily be extended for the realization of continuous and categorical endpoints.
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Affiliation(s)
- Liang Zhao
- Department of Epidemiology and Biostatistics, Public Health School, Harbin Medical University, Harbin, Heilongjiang, China
| | - Wenjie Zhang
- Department of Epidemiology and Biostatistics, Public Health School, Harbin Medical University, Harbin, Heilongjiang, China
| | - Ying Wu
- Department of Biostatistics, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Lei Cao
- Department of Epidemiology and Biostatistics, Public Health School, Harbin Medical University, Harbin, Heilongjiang, China
| | - Liuying Wang
- Department of Epidemiology and Biostatistics, Public Health School, Harbin Medical University, Harbin, Heilongjiang, China
| | - Kang Li
- Department of Epidemiology and Biostatistics, Public Health School, Harbin Medical University, Harbin, Heilongjiang, China
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18
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Nishi W, Wakamatsu E, Machiyama H, Matsushima R, Yoshida Y, Nishikawa T, Toyota H, Furuhata M, Nishijima H, Takeuchi A, Suzuki M, Yokosuka T. Molecular Imaging of PD-1 Unveils Unknown Characteristics of PD-1 Itself by Visualizing "PD-1 Microclusters". ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1444:197-205. [PMID: 38467981 DOI: 10.1007/978-981-99-9781-7_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Programmed cell death-1 (PD-1) is one of the most famous coinhibitory receptors that are expressed on effector T cells to regulate their function. The PD-1 ligands, PD-L1 and PD-L2, are expressed by various cells throughout the body at steady state and their expression was further regulated within different pathological conditions such as tumor-bearing and chronic inflammatory diseases. In recent years, immune checkpoint inhibitor (ICI) therapies with anti-PD-1 or anti-PD-L1 has become a standard treatment for various malignancies and has shown remarkable antitumor effects. Since the discovery of PD-1 in 1992, a huge number of studies have been conducted to elucidate the function of PD-1. Herein, this paper provides an overview of PD-1 biological findings and sheds some light on the current technology for molecular imaging of PD-1.
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Affiliation(s)
- Wataru Nishi
- Department of Thoracic Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
- Department of Immunology, Tokyo Medical University, Tokyo, Japan
| | - Ei Wakamatsu
- Department of Immunology, Tokyo Medical University, Tokyo, Japan
| | | | - Ryohei Matsushima
- Department of Thoracic Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
- Department of Immunology, Tokyo Medical University, Tokyo, Japan
| | - Yosuke Yoshida
- Department of Immunology, Tokyo Medical University, Tokyo, Japan
- Department of Nephrology, Tokyo Medical University, Tokyo, Japan
| | - Tetsushi Nishikawa
- Department of Immunology, Tokyo Medical University, Tokyo, Japan
- Department of Dermatology, Tokyo Medical University, Tokyo, Japan
| | - Hiroko Toyota
- Department of Immunology, Tokyo Medical University, Tokyo, Japan
| | - Masae Furuhata
- Department of Immunology, Tokyo Medical University, Tokyo, Japan
| | | | - Arata Takeuchi
- Department of Immunology, Tokyo Medical University, Tokyo, Japan
| | - Makoto Suzuki
- Department of Thoracic Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Tadashi Yokosuka
- Department of Immunology, Tokyo Medical University, Tokyo, Japan.
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Guo ZY, Tang Y, Cheng YC. Exosomes as Targeted Delivery Drug System: Advances in Exosome Loading, Surface Functionalization and Potential for Clinical Application. Curr Drug Deliv 2024; 21:473-487. [PMID: 35702803 DOI: 10.2174/1567201819666220613150814] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/13/2022] [Accepted: 04/22/2022] [Indexed: 11/22/2022]
Abstract
Exosomes are subtypes of vesicles secreted by almost all cells and can play an important role in intercellular communication. They contain various proteins, lipids, nucleic acids and other natural substances from their metrocytes. Exosomes are expected to be a new generation of drug delivery systems due to their low immunogenicity, high potential to transfer bioactive substances and biocompatibility. However, exosomes themselves are not highly targeted, it is necessary to develop new surface modification techniques and targeted drug delivery strategies, which are the focus of drug delivery research. In this review, we introduced the biogenesis of exosomes and their role in intercellular communication. We listed various advanced exosome drug-loading techniques. Emphatically, we summarized different exosome surface modification techniques and targeted drug delivery strategies. In addition, we discussed the application of exosomes in vaccines and briefly introduced milk exosomes. Finally, we clarified the clinical application prospects and shortcomings of exosomes.
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Affiliation(s)
- Zun Y Guo
- Department of Pharmacy, China Pharmaceutical University, No.639, Longmian Avenue, Nanjing 211198, P.R. China
| | - Yue Tang
- Department of Pharmacy, China Pharmaceutical University, No.639, Longmian Avenue, Nanjing 211198, P.R. China
| | - Yi C Cheng
- Department of Pharmacy, China Pharmaceutical University, No.639, Longmian Avenue, Nanjing 211198, P.R. China
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Bassil DT, Zheng B, Su B, Kafetsouli D, Udeh-Momoh C, Tzoulaki I, Ahmadi-Abhari S, Muller DC, Riboli E, Middleton LT. Lower Incidence of Dementia Following Cancer Diagnoses: Evidence from a Large Cohort and Mendelian Randomization Study. J Prev Alzheimers Dis 2024; 11:1397-1405. [PMID: 39350386 PMCID: PMC11436397 DOI: 10.14283/jpad.2024.135] [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: 11/23/2023] [Accepted: 04/07/2024] [Indexed: 10/04/2024]
Abstract
BACKGROUND The reported inverse association between cancer and subsequent Alzheimer's disease and related dementias (ADRD) remains uncertain. OBJECTIVES To investigate the association between these common conditions of old age and explore possible causal factors. DESIGN, SETTING, PARTICIPANTS AND MEASUREMENTS We conducted a large population-based cohort analysis using data from 3,021,508 individuals aged 60 and over in the UK Clinical Practice Research Datalink (CPRD), over a period up to 30 years (1988-2018). Cox proportional hazards models were fitted to estimate hazard ratios (HR) for risk of dementia associated with previous cancer diagnosis. Competing risk models were employed to account for competing risk of death. Two-sample Mendelian Randomization analysis based on meta-analysis data from large-scale GWAS studies was also conducted. RESULTS In the CPRD cohort, 412,903 participants had cancer diagnosis and 230,558 were subsequently diagnosed with dementia over a median follow-up period of 7.9 years. Cancer survivors had a 25% lower risk of developing dementia (HR=0.75, 95% CI:0.74-0.76) after adjustment for potential confounders. Accounting for competing risk of death provided a sub-distribution HR of 0.56 (95% CI:0.55-0.56). Results were consistent for prevalent and incident cancer and different common cancer types. Two-sample Mendelian Randomization analysis, using 357 cancer-related instrumental single-nucleotide polymorphisms (SNPs) revealed evidence of vertical pleiotropy between genetically predicted cancer and reduced risk of Alzheimer's disease (OR=0.97,95% CI:0.95-0.99). CONCLUSION Our results provide strong epidemiological evidence of the inverse association between cancer and risk of ADRD and support the potential causal nature of this association via genetic instruments. Further investigations into the precise underlying biological mechanisms may reveal valuable information for new therapeutic approaches.
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Affiliation(s)
- D T Bassil
- Prof. Elio Riboli, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK. , +44 (0)20 7594 3426
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Golfinopoulou R, Giudicelli V, Manso T, Kossida S. Delving into Molecular Pathways: Analyzing the Mechanisms of Action of Monoclonal Antibodies Integrated in IMGT/mAb-DB for Myasthenia Gravis. Vaccines (Basel) 2023; 11:1756. [PMID: 38140161 PMCID: PMC10747390 DOI: 10.3390/vaccines11121756] [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: 09/30/2023] [Revised: 11/20/2023] [Accepted: 11/22/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND Myasthenia Gravis (MG) is a rare autoimmune disease presenting with auto-antibodies that affect the neuromuscular junction. In addition to symptomatic treatment options, novel therapeutics include monoclonal antibodies (mAbs). IMGT®, the international ImMunoGeneTics information system®, extends the characterization of therapeutic antibodies with a systematic description of their mechanisms of action (MOA) and makes them available through its database for mAbs and fusion proteins, IMGT/mAb-DB. METHODS Using available literature data combined with amino acid sequence analyses from mAbs managed in IMGT/2Dstructure-DB, the IMGT® protein database, biocuration allowed us to define in a standardized way descriptions of MOAs of mAbs that target molecules towards MG treatment. RESULTS New therapeutic targets include FcRn and molecules such as CD38, CD40, CD19, MS4A1, and interleukin-6 receptor. A standardized graphical representation of the MOAs of selected mAbs was created and integrated within IMGT/mAb-DB. The main mechanisms involved in these mAbs are either blocking or neutralizing. Therapies directed to B cell depletion and plasma cells have a blocking MOA with an immunosuppressant effect along with Fc-effector function (MS4A1, CD38) or FcγRIIb engager effect (CD19). Monoclonal antibodies targeting the complement also have a blocking MOA with a complement inhibitor effect, and treatments targeting T cells have a blocking MOA with an immunosuppressant effect (CD40) and Fc-effector function (IL6R). On the other hand, FcRn antagonists present a neutralizing MOA with an FcRn inhibitor effect. CONCLUSION The MOA of each new mAb needs to be considered in association with the immunopathogenesis of each of the subtypes of MG in order to integrate the new mAbs as a viable and safe option in the therapy decision process. In IMGT/mAb-DB, mAbs for MG are characterized by their sequence, domains, and chains, and their MOA is described.
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Affiliation(s)
- Rebecca Golfinopoulou
- IMGT, The International ImMunoGeneTics Information System, National Center for Scientific Research (CNRS), Institute of Human Genetics (IGH), University of Montpellier (UM), 34090 Montpellier, France; (R.G.); (V.G.)
- Department of Biotechnology, School of Applied Biology and Biotechnology, Agricultural University of Athens, 11855 Athens, Greece
| | - Véronique Giudicelli
- IMGT, The International ImMunoGeneTics Information System, National Center for Scientific Research (CNRS), Institute of Human Genetics (IGH), University of Montpellier (UM), 34090 Montpellier, France; (R.G.); (V.G.)
| | - Taciana Manso
- IMGT, The International ImMunoGeneTics Information System, National Center for Scientific Research (CNRS), Institute of Human Genetics (IGH), University of Montpellier (UM), 34090 Montpellier, France; (R.G.); (V.G.)
| | - Sofia Kossida
- IMGT, The International ImMunoGeneTics Information System, National Center for Scientific Research (CNRS), Institute of Human Genetics (IGH), University of Montpellier (UM), 34090 Montpellier, France; (R.G.); (V.G.)
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22
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Huangfu L, Li R, Huang Y, Wang S. The IL-17 family in diseases: from bench to bedside. Signal Transduct Target Ther 2023; 8:402. [PMID: 37816755 PMCID: PMC10564932 DOI: 10.1038/s41392-023-01620-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 06/16/2023] [Accepted: 08/22/2023] [Indexed: 10/12/2023] Open
Abstract
The interleukin-17 (IL-17) family comprises six members (IL-17A-17F), and recently, all of its related receptors have been discovered. IL-17 was first discovered approximately 30 years ago. Members of this family have various biological functions, including driving an inflammatory cascade during infections and autoimmune diseases, as well as boosting protective immunity against various pathogens. IL-17 is a highly versatile proinflammatory cytokine necessary for vital processes including host immune defenses, tissue repair, inflammatory disease pathogenesis, and cancer progression. However, how IL-17 performs these functions remains controversial. The multifunctional properties of IL-17 have attracted research interest, and emerging data have gradually improved our understanding of the IL-17 signaling pathway. However, a comprehensive review is required to understand its role in both host defense functions and pathogenesis in the body. This review can aid researchers in better understanding the mechanisms underlying IL-17's roles in vivo and provide a theoretical basis for future studies aiming to regulate IL-17 expression and function. This review discusses recent progress in understanding the IL-17 signaling pathway and its physiological roles. In addition, we present the mechanism underlying IL-17's role in various pathologies, particularly, in IL-17-induced systemic lupus erythematosus and IL-17-related tumor cell transformation and metastasis. In addition, we have briefly discussed promising developments in the diagnosis and treatment of autoimmune diseases and tumors.
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Affiliation(s)
- Longjie Huangfu
- School of Stomatology, Harbin Medical University, Harbin, 150001, P. R. China
| | - Ruiying Li
- Department of Oral Pathology, School of Stomatology, Hainan Medical University, Haikou, 571199, P. R. China
| | - Yamei Huang
- Department of Oral Pathology, School of Stomatology, Hainan Medical University, Haikou, 571199, P. R. China
| | - Shan Wang
- Department of Oral Pathology, School of Stomatology, Hainan Medical University, Haikou, 571199, P. R. China.
- Department of Stomatology, The Second Affiliated Hospital of Hainan Medical University, Haikou, 570216, P. R. China.
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Eralp Y, Ates U. Clinical Applications of Combined Immunotherapy Approaches in Gastrointestinal Cancer: A Case-Based Review. Vaccines (Basel) 2023; 11:1545. [PMID: 37896948 PMCID: PMC10610904 DOI: 10.3390/vaccines11101545] [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: 09/01/2023] [Revised: 09/24/2023] [Accepted: 09/26/2023] [Indexed: 10/29/2023] Open
Abstract
Malignant neoplasms arising from the gastrointestinal (GI) tract are among the most common types of cancer with high mortality rates. Despite advances in treatment in a small subgroup harboring targetable mutations, the outcome remains poor, accounting for one in three cancer-related deaths observed globally. As a promising therapeutic option in various tumor types, immunotherapy with immune checkpoint inhibitors has also been evaluated in GI cancer, albeit with limited efficacy except for a small subgroup expressing microsatellite instability. In the quest for more effective treatment options, energetic efforts have been placed to evaluate the role of several immunotherapy approaches comprising of cancer vaccines, adoptive cell therapies and immune checkpoint inhibitors. In this review, we report our experience with a personalized dendritic cell cancer vaccine and cytokine-induced killer cell therapy in three patients with GI cancers and summarize current clinical data on combined immunotherapy strategies.
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Affiliation(s)
- Yesim Eralp
- Maslak Acıbadem Hospital, Acıbadem University, Istanbul 34398, Turkey
| | - Utku Ates
- Biotech4life Tissue and Cell R&D Center, Stembio Cell and Tissue Technologies, Inc., Istanbul 34398, Turkey
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24
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Riley-Gillis B, Tsaih SW, King E, Wollenhaupt S, Reeb J, Peck AR, Wackman K, Lemke A, Rui H, Dezso Z, Flister MJ. Machine learning reveals genetic modifiers of the immune microenvironment of cancer. iScience 2023; 26:107576. [PMID: 37664640 PMCID: PMC10470213 DOI: 10.1016/j.isci.2023.107576] [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: 01/06/2023] [Revised: 05/01/2023] [Accepted: 08/04/2023] [Indexed: 09/05/2023] Open
Abstract
Heritability in the immune tumor microenvironment (iTME) has been widely observed yet remains largely uncharacterized. Here, we developed a machine learning approach to map iTME modifiers within loci from genome-wide association studies (GWASs) for breast cancer (BrCa) incidence. A random forest model was trained on a positive set of immune-oncology (I-O) targets, and then used to assign I-O target probability scores to 1,362 candidate genes in linkage disequilibrium with 155 BrCa GWAS loci. Cluster analysis of the most probable candidates revealed two subfamilies of genes related to effector functions and adaptive immune responses, suggesting that iTME modifiers impact multiple aspects of anticancer immunity. Two of the top ranking BrCa candidates, LSP1 and TLR1, were orthogonally validated as iTME modifiers using BrCa patient biopsies and comparative mapping studies, respectively. Collectively, these data demonstrate a robust and flexible framework for functionally fine-mapping GWAS risk loci to identify translatable therapeutic targets.
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Affiliation(s)
- Bridget Riley-Gillis
- Genomics Research Center, AbbVie Inc, 1 North Waukegan Road, North Chicago, IL 60064, USA
| | - Shirng-Wern Tsaih
- Genomic Sciences and Precision Medicine Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Emily King
- Genomics Research Center, AbbVie Inc, 1 North Waukegan Road, North Chicago, IL 60064, USA
| | - Sabrina Wollenhaupt
- Information Research, AbbVie Deutschland GmbH & Co. KG, 67061, Knollstrasse, Ludwigshafen, Germany
| | - Jonas Reeb
- Information Research, AbbVie Deutschland GmbH & Co. KG, 67061, Knollstrasse, Ludwigshafen, Germany
| | - Amy R. Peck
- Genomic Sciences and Precision Medicine Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Kelsey Wackman
- Genomic Sciences and Precision Medicine Center, Medical College of Wisconsin, Milwaukee, WI, USA
- Department of Pathology, Medical College of Wisconsin, Milwaukee, WI 53226, USA
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Angela Lemke
- Genomic Sciences and Precision Medicine Center, Medical College of Wisconsin, Milwaukee, WI, USA
- Department of Pathology, Medical College of Wisconsin, Milwaukee, WI 53226, USA
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Hallgeir Rui
- Department of Pathology, Medical College of Wisconsin, Milwaukee, WI 53226, USA
- Cancer Center, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Zoltan Dezso
- Genomics Research Center, AbbVie Bay Area, 1000 Gateway Boulevard, South San Francisco, CA 94080, USA
| | - Michael J. Flister
- Genomics Research Center, AbbVie Inc, 1 North Waukegan Road, North Chicago, IL 60064, USA
- Genomic Sciences and Precision Medicine Center, Medical College of Wisconsin, Milwaukee, WI, USA
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI 53226, USA
- Cancer Center, Medical College of Wisconsin, Milwaukee, WI 53226, USA
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Ahmed Al-Madhagi H. Computational Identification of Most Deleterious Missense Mutations in Human PD-1 Gene. ScientificWorldJournal 2023; 2023:4360203. [PMID: 37583448 PMCID: PMC10425257 DOI: 10.1155/2023/4360203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 05/22/2023] [Accepted: 07/27/2023] [Indexed: 08/17/2023] Open
Abstract
Traditional cancer treatment approaches are often hindered by the presence of toxic side effects and the high rate of relapse observed in treated organs. In contrast, novel immunotherapeutic strategies targeting immune checkpoint inhibitors, particularly PD-1, have demonstrated promising results with minimal adverse effects. However, the emergence of immunotherapeutic-resistant tumors, predominantly caused by intrinsic mutations, poses a significant obstacle to successful treatment outcomes. Consequently, the primary objective of this study was to screen for the most detrimental missense mutations in the PD-1 gene associated with immunotherapeutic resistance. To achieve this aim, a comprehensive screening process utilizing 20 web servers, incorporating both sequence- and structure-based methodologies, was undertaken. Through meticulous analysis and mutual disease association sorting, four specific missense mutations were successfully identified. These mutations, namely, R38C, D61V, R94C, and D117V, emerged as the leading contributors to genetic cancer progression and immunotherapeutic resistance against PD-1 blockers. The findings presented in this study are supported by multiple lines of evidence. A thorough examination of protein topology, structural alignment, docking interactions with PD-L1, and protein flexibility collectively confirmed the pathogenic nature of these sorted mutations. By considering these various aspects, we have gained a comprehensive understanding of the underlying mechanisms driving immunotherapeutic resistance. In conclusion, the comprehensive screening process undertaken in this study has successfully identified R38C, D61V, R94C, and D117V as the primary mutations contributing to genetic cancer progression and immunotherapeutic resistance against PD-1 blockers. The integration of protein topology analysis, structural alignment, docking studies with PD-L1, and assessment of protein flexibility have collectively provided robust evidence to support the pathogenic significance of these mutations.
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Leitner J, Egerer R, Waidhofer-Söllner P, Grabmeier-Pfistershammer K, Steinberger P. FcγR requirements and costimulatory capacity of Urelumab, Utomilumab, and Varlilumab. Front Immunol 2023; 14:1208631. [PMID: 37575254 PMCID: PMC10413977 DOI: 10.3389/fimmu.2023.1208631] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 06/28/2023] [Indexed: 08/15/2023] Open
Abstract
Introduction Targeting costimulatory receptors of the tumor necrosis factor receptor (TNFR) superfamily with agonistic antibodies is a promising approach in cancer immuno therapy. It is known that their efficacy strongly depends on FcγR cross-linking. Methods In this study, we made use of a Jurkat-based reporter platform to analyze the influence of individual FcγRs on the costimulatory activity of the 41BB agonists, Urelumab and Utomilumab, and the CD27 agonist, Varlilumab. Results We found that Urelumab (IgG4) can activate 41BB-NFκB signaling without FcγR cross-linking, but the presence of the FcγRs (CD32A, CD32B, CD64) augments the agonistic activity of Urelumab. The human IgG2 antibody Utomilumab exerts agonistic function only when crosslinked via CD32A and CD32B. The human IgG1 antibody Varlilumab showed strong agonistic activity with all FcγRs tested. In addition, we analyzed the costimulatory effects of Urelumab, Utomilumab, and Varlilumab in primary human peripheral blood mononuclear cells (PBMCs). Interestingly, we observed a very weak capacity of Varlilumab to enhance cytokine production and proliferation of CD4 and CD8 T cells. In the presence of Varlilumab the percentage of annexin V positive T cells was increased, indicating that this antibody mediated FcγR-dependent cytotoxic effects. Conclusion Collectively, our data underscore the importance to perform studies in reductionist systems as well as in primary PBMC samples to get a comprehensive understanding of the activity of costimulation agonists.
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Affiliation(s)
- Judith Leitner
- Division of Immune Receptors and T Cell Activation, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Ricarda Egerer
- Division of Immune Receptors and T Cell Activation, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Petra Waidhofer-Söllner
- Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | | | - Peter Steinberger
- Division of Immune Receptors and T Cell Activation, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
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Lee YY, Luo SC, Lee CH, Tang CL, Shen CC, Cheng WY, Yang YC, Yang MY, Yen CM. Optimizing tumor-associated antigen-stimulated autologous dendritic cell and cytokine-induced killer cell coculture to enhance cytotoxicity for cancer immunotherapy in manufacturing. BMC Immunol 2023; 24:14. [PMID: 37386444 PMCID: PMC10311787 DOI: 10.1186/s12865-023-00552-5] [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: 02/07/2023] [Accepted: 06/26/2023] [Indexed: 07/01/2023] Open
Abstract
BACKGROUND Dendritic Cell Cytokine-induced killer cell (DC-CIK) coculture treatment in cancer immunotherapy has been shown to be effective. However, the cost of DC- CIK therapy is prohibitive for many patients, and the lack of standard manufacturing processes and treatment strategies are major limitations. Our study used tumor lysate as a tumor-associated antigen source and DCs and CIK cells in coculture. We developed an efficient method to obtain autologous DCs- and CIK cells from peripheral blood. We used flow cytometry to assess DC activation and the cytometric bead array assay to quantify cytokines secreted by CIK cells. RESULTS We evaluated the antitumor activity of DC- CIK coculture in vitro with the K562 cell line. We demonstrated that a manufacturing process employing frozen immature DCs can yield the lowest loss with the highest economic benefits. DC-CIK coculture can effectively upgrade CIK cells' immunological specificity to tumors in the presence of tumor-associated antigens. CONCLUSION In vitro experiments revealed that when the DC- CIK cell ratio was 1: 20 in the coculture, CIK cells secreted the highest number of cytokines on the 14th day and the antitumor immune effect showed the highest potency. CIK cells' cytotoxicity to K562 cells was highest when the CIK: K562 cell ratio was 25: 1. We developed an efficient manufacturing process for DC- CIK coculture, while also establishing the optimal DC- CIK cell ratio for immunological activity and the best cytotoxic CIK: K562 cell ratio.
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Affiliation(s)
- Yi-Yen Lee
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Shao-Ciao Luo
- Departments of Surgery, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Chung-Hsin Lee
- Department of Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Chien-Lun Tang
- Department of Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Chiung-Chyi Shen
- Department of Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
- School of Medicine, National Defense Medical Center, Taipei, Taiwan
- Basic Medical Education Center, Central Taiwan University of Science and Technology, Taichung, Taiwan
| | - Wen-Yu Cheng
- Department of Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
- Department of Physical Therapy, Hung Kuang University, Taichung, Taiwan
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Yi-Chin Yang
- Department of Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Meng-Yin Yang
- Department of Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
- Basic Medical Education Center, Central Taiwan University of Science and Technology, Taichung, Taiwan
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Chun-Ming Yen
- Department of Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
- School of Medicine, National Defense Medical Center, Taipei, Taiwan
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Alturki NA. Review of the Immune Checkpoint Inhibitors in the Context of Cancer Treatment. J Clin Med 2023; 12:4301. [PMID: 37445336 DOI: 10.3390/jcm12134301] [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: 05/03/2023] [Revised: 06/14/2023] [Accepted: 06/21/2023] [Indexed: 07/15/2023] Open
Abstract
Checkpoint proteins are an integral part of the immune system and are used by the tumor cells to evade immune response, which helps them grow uncontrollably. By blocking these proteins, immune checkpoint inhibitors can restore the capability of the immune system to attack cancer cells and stop their growth. These findings are backed by adequate clinical trial data and presently, several FDA-approved immune checkpoint inhibitors exist in the market for treating various types of cancers, including melanoma, hepatocellular, endometrial, lung, kidney and others. Their mode of action is inhibition by targeting the checkpoint proteins CTLA-4, PD-1, PD-L1, etc. They can be used alone as well as in amalgamation with other cancer treatments, like surgery, radiation or chemotherapy. Since these drugs target only specific immune system proteins, their side effects are reduced in comparison with the traditional chemotherapy drugs, but may still cause a few affects like fatigue, skin rashes, and fever. In rare cases, these inhibitors are known to have caused more serious side effects, such as cardiotoxicity, and inflammation in the intestines or lungs. Herein, we provide an overview of these inhibitors and their role as biomarkers, immune-related adverse outcomes and clinical studies in the treatment of various cancers, as well as present some future perspectives.
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Affiliation(s)
- Norah A Alturki
- Clinical Laboratory Science Department, College of Applied Medical Sciences, King Saud University, Riyadh 11433, Saudi Arabia
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Hye Jeong J, Park S, Lee S, Kim Y, Kyong Shim I, Jeong SY, Kyung Choi E, Kim J, Jun E. Orthotopic model of pancreatic cancer using CD34 + humanized mice and generation of tumor organoids from humanized tumors. Int Immunopharmacol 2023; 121:110451. [PMID: 37331294 DOI: 10.1016/j.intimp.2023.110451] [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: 04/04/2023] [Revised: 06/02/2023] [Accepted: 06/02/2023] [Indexed: 06/20/2023]
Abstract
In pancreatic cancer (PC) as intractable solid cancer, current research is focused mainly on targeted immunotherapies such as antibodies and immune cell modulators. To identify promising immune-oncological agents, animal models that recapitulate the essential features of human immune status are essential. To this end, we constructed an orthotopic xenograft model using CD34+ human hematopoietic stem cell-based humanized NOD scid gamma mouse (NSG) mice injected with luciferase-expressing PC cell lines AsPC1 and BxPC3. The growth of orthotopic tumors was monitored using noninvasive multimodal imaging, while the subtype profiles of human immune cells in blood and tumor tissues were determined by flow cytometry and immunohistopathology. In addition, the correlations of blood and tumor-infiltrating immune cell count with tumor extracellular matrix density were calculated using Spearman's test. Tumor-derived cell lines and tumor organoids with continuous passage capacity in vitro were isolated from orthotopic tumors. It was further confirmed that these tumor-derived cells and organoids have reduced PD-L1 expression and are suitable for testing the efficacy of specific targeted immunotherapeutic agents. These animal and culture models could facilitate the development and validation of immunotherapeutic agents for intractable solid cancers including PC.
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Affiliation(s)
- Ji Hye Jeong
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea
| | - Sujin Park
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; Department of Medical Science, AMIST, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea
| | - Sangyeon Lee
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea
| | - Yeounhee Kim
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; Department of Medical Science, AMIST, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea
| | - In Kyong Shim
- Department of Convergence Medicine, ASAN Medical Center, Seoul 05505, Republic of Korea
| | - Seong-Yun Jeong
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; Department of Convergence Medicine, ASAN Medical Center, Seoul 05505, Republic of Korea; Asan Preclinical Evaluation Center for Cancer TherapeutiX, ASAN Medical Center, Seoul 05505, Republic of Korea
| | - Eun Kyung Choi
- Asan Preclinical Evaluation Center for Cancer TherapeutiX, ASAN Medical Center, Seoul 05505, Republic of Korea; Department of Radiation Oncology, ASAN Medical Center, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea
| | - Jinju Kim
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea
| | - Eunsung Jun
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; Department of Convergence Medicine, ASAN Medical Center, Seoul 05505, Republic of Korea; Division of Hepato-Biliary and Pancreatic Surgery, Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea.
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30
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Nishi W, Wakamatsu E, Machiyama H, Matsushima R, Saito K, Yoshida Y, Nishikawa T, Takehara T, Toyota H, Furuhata M, Nishijima H, Takeuchi A, Azuma M, Suzuki M, Yokosuka T. Evaluation of therapeutic PD-1 antibodies by an advanced single-molecule imaging system detecting human PD-1 microclusters. Nat Commun 2023; 14:3157. [PMID: 37280233 PMCID: PMC10244369 DOI: 10.1038/s41467-023-38512-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 05/04/2023] [Indexed: 06/08/2023] Open
Abstract
With recent advances in immune checkpoint inhibitors (ICIs), immunotherapy has become the standard treatment for various malignant tumors. Their indications and dosages have been determined empirically, taking individually conducted clinical trials into consideration, but without a standard method to evaluate them. Here we establish an advanced imaging system to visualize human PD-1 microclusters, in which a minimal T cell receptor (TCR) signaling unit co-localizes with the inhibitory co-receptor PD-1 in vitro. In these microclusters PD-1 dephosphorylates both the TCR/CD3 complex and its downstream signaling molecules via the recruitment of a phosphatase, SHP2, upon stimulation with the ligand hPD-L1. In this system, blocking antibodies for hPD-1-hPD-L1 binding inhibits hPD-1 microcluster formation, and each therapeutic antibody (pembrolizumab, nivolumab, durvalumab and atezolizumab) is characterized by a proprietary optimal concentration and combinatorial efficiency enhancement. We propose that our imaging system could digitally evaluate PD-1-mediated T cell suppression to evaluate their clinical usefulness and to develop the most suitable combinations among ICIs or between ICIs and conventional cancer treatments.
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Affiliation(s)
- Wataru Nishi
- Department of Thoracic Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, 860-8556, Japan
- Department of Immunology, Tokyo Medical University, Tokyo, 160-8402, Japan
| | - Ei Wakamatsu
- Department of Immunology, Tokyo Medical University, Tokyo, 160-8402, Japan
| | - Hiroaki Machiyama
- Department of Immunology, Tokyo Medical University, Tokyo, 160-8402, Japan
| | - Ryohei Matsushima
- Department of Thoracic Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, 860-8556, Japan
- Department of Immunology, Tokyo Medical University, Tokyo, 160-8402, Japan
| | - Kensho Saito
- Department of Immunology, Tokyo Medical University, Tokyo, 160-8402, Japan
- School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Tokyo, 192-0392, Japan
| | - Yosuke Yoshida
- Department of Immunology, Tokyo Medical University, Tokyo, 160-8402, Japan
- Department of Nephrology, Tokyo Medical University, Tokyo, 160-8402, Japan
| | - Tetsushi Nishikawa
- Department of Immunology, Tokyo Medical University, Tokyo, 160-8402, Japan
- Department of Dermatology, Tokyo Medical University, Tokyo, 160-0023, Japan
| | - Tomohiro Takehara
- Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Hiroko Toyota
- Department of Immunology, Tokyo Medical University, Tokyo, 160-8402, Japan
| | - Masae Furuhata
- Department of Immunology, Tokyo Medical University, Tokyo, 160-8402, Japan
| | - Hitoshi Nishijima
- Department of Immunology, Tokyo Medical University, Tokyo, 160-8402, Japan
| | - Arata Takeuchi
- Department of Immunology, Tokyo Medical University, Tokyo, 160-8402, Japan
| | - Miyuki Azuma
- Department of Molecular Immunology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, 113-8549, Japan
| | - Makoto Suzuki
- Department of Thoracic Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, 860-8556, Japan
| | - Tadashi Yokosuka
- Department of Immunology, Tokyo Medical University, Tokyo, 160-8402, Japan.
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31
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Gambles MT, Yang J, Kopeček J. Multi-targeted immunotherapeutics to treat B cell malignancies. J Control Release 2023; 358:232-258. [PMID: 37121515 PMCID: PMC10330463 DOI: 10.1016/j.jconrel.2023.04.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 04/20/2023] [Accepted: 04/27/2023] [Indexed: 05/02/2023]
Abstract
The concept of multi-targeted immunotherapeutic systems has propelled the field of cancer immunotherapy into an exciting new era. Multi-effector molecules can be designed to engage with, and alter, the patient's immune system in a plethora of ways. The outcomes can vary from effector cell recruitment and activation upon recognition of a cancer cell, to a multipronged immune checkpoint blockade strategy disallowing evasion of the cancer cells by immune cells, or to direct cancer cell death upon engaging multiple cell surface receptors simultaneously. Here, we review the field of multi-specific immunotherapeutics implemented to treat B cell malignancies. The mechanistically diverse strategies are outlined and discussed; common B cell receptor antigen targeting strategies are outlined and summarized; and the challenges of the field are presented along with optimistic insights for the future.
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Affiliation(s)
- M Tommy Gambles
- Center for Controlled Chemical Delivery, University of Utah, Salt Lake City, UT 84112, USA; Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT 84112, USA
| | - Jiyuan Yang
- Center for Controlled Chemical Delivery, University of Utah, Salt Lake City, UT 84112, USA; Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT 84112, USA.
| | - Jindřich Kopeček
- Center for Controlled Chemical Delivery, University of Utah, Salt Lake City, UT 84112, USA; Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT 84112, USA; Department of Biomedical Engineering, University of Utah, Salt Lake City, UT 84112, USA.
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32
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Shen C, Li M, Duan Y, Jiang X, Hou X, Xue F, Zhang Y, Luo Y. HDAC inhibitors enhance the anti-tumor effect of immunotherapies in hepatocellular carcinoma. Front Immunol 2023; 14:1170207. [PMID: 37304265 PMCID: PMC10250615 DOI: 10.3389/fimmu.2023.1170207] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 05/18/2023] [Indexed: 06/13/2023] Open
Abstract
Hepatocellular carcinoma (HCC), the most common liver malignancy with a poor prognosis and increasing incidence, remains a serious health problem worldwide. Immunotherapy has been described as one of the ideal ways to treat HCC and is transforming patient management. However, the occurrence of immunotherapy resistance still prevents some patients from benefiting from current immunotherapies. Recent studies have shown that histone deacetylase inhibitors (HDACis) can enhance the efficacy of immunotherapy in a variety of tumors, including HCC. In this review, we present current knowledge and recent advances in immunotherapy-based and HDACi-based therapies for HCC. We highlight the fundamental dynamics of synergies between immunotherapies and HDACis, further detailing current efforts to translate this knowledge into clinical benefits. In addition, we explored the possibility of nano-based drug delivery system (NDDS) as a novel strategy to enhance HCC treatment.
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Affiliation(s)
- Chen Shen
- Department of Laboratory Medicine, Medical Equipment Innovation Research Center/Medical Device Regulatory Research and Evaluation Center, West China Hospital, Sichuan University, Chengdu, China
| | - Mei Li
- Department of Laboratory Medicine, Medical Equipment Innovation Research Center/Medical Device Regulatory Research and Evaluation Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yujuan Duan
- School of Chemical Science and Engineering, Tongji University, Shanghai, China
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Xin Jiang
- Department of Laboratory Medicine, Medical Equipment Innovation Research Center/Medical Device Regulatory Research and Evaluation Center, West China Hospital, Sichuan University, Chengdu, China
| | - Xiaoming Hou
- Department of Laboratory Medicine, Medical Equipment Innovation Research Center/Medical Device Regulatory Research and Evaluation Center, West China Hospital, Sichuan University, Chengdu, China
| | - Fulai Xue
- Department of Laboratory Medicine, Medical Equipment Innovation Research Center/Medical Device Regulatory Research and Evaluation Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yinan Zhang
- School of Chemical Science and Engineering, Tongji University, Shanghai, China
| | - Yao Luo
- Department of Laboratory Medicine, Medical Equipment Innovation Research Center/Medical Device Regulatory Research and Evaluation Center, West China Hospital, Sichuan University, Chengdu, China
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Bozorgui B, Kong EK, Luna A, Korkut A. Mapping the functional interactions at the tumor-immune checkpoint interface. Commun Biol 2023; 6:462. [PMID: 37106127 PMCID: PMC10140040 DOI: 10.1038/s42003-023-04777-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 03/28/2023] [Indexed: 04/29/2023] Open
Abstract
The interactions between tumor intrinsic processes and immune checkpoints can mediate immune evasion by cancer cells and responses to immunotherapy. It is, however, challenging to identify functional interactions due to the prohibitively complex molecular landscape of the tumor-immune interfaces. We address this challenge with a statistical analysis framework, immuno-oncology gene interaction maps (ImogiMap). ImogiMap quantifies and statistically validates tumor-immune checkpoint interactions based on their co-associations with immune-associated phenotypes. The outcome is a catalog of tumor-immune checkpoint interaction maps for diverse immune-associated phenotypes. Applications of ImogiMap recapitulate the interaction of SERPINB9 and immune checkpoints with interferon gamma (IFNγ) expression. Our analyses suggest that CD86-CD70 and CD274-CD70 immunoregulatory interactions are significantly associated with IFNγ expression in uterine corpus endometrial carcinoma and basal-like breast cancer, respectively. The open-source ImogiMap software and user-friendly web application will enable future applications of ImogiMap. Such applications may guide the discovery of previously unknown tumor-immune interactions and immunotherapy targets.
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Affiliation(s)
- Behnaz Bozorgui
- Department of Bioinformatics and Computational Biology, UT MD Anderson Cancer Center, Houston, TX, 77030, USA.
| | - Elisabeth K Kong
- Department of Statistics, Rice University, Houston, TX, 77030, USA
| | - Augustin Luna
- Department of Data Sciences, Dana Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Systems Biology, Harvard Medical School, Boston, US
| | - Anil Korkut
- Department of Bioinformatics and Computational Biology, UT MD Anderson Cancer Center, Houston, TX, 77030, USA.
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34
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Bhagwat B, de Waal Malefyt R, Willingham A. Investigating combination benefit of PD1 and LAG3 co-blockade using an engineered cellular bioassay. Int Immunopharmacol 2023; 119:109566. [PMID: 37044037 DOI: 10.1016/j.intimp.2022.109566] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 11/05/2022] [Accepted: 12/06/2022] [Indexed: 04/14/2023]
Abstract
LAG3 and PD1 are both immunomodulatory receptor that act by inhibiting activation of T cells, producing a more immunosuppressive environment. Even with the recent clinical success of PD1 and LAG3 co-blockade, signal transduction downstream of LAG3 remains largely unknown. We have leveraged an engineered Jurkat (T cell) and Raji (APC) co-culture system to assess simultaneous blockade of PD1 and LAG3 pathways using antibodies. RNA-Seq analysis of cell pellets individually treated with LAG3 or PD1 antibodies revealed modest immune activation however, 5-fold more genes were upregulated upon combination treatment. There were increases in costimulatory genes like CD28, CD5, CD6 as well as intracellular signaling molecules like LCP2 and ITK. Given the role of ERK in immune activation of T cells, pERK levels of Jurkat cells in the assay were evaluated. A very modest activation of pERK was observed with anti-LAG3 compared to anti-PD1 but a combination treatment resulted in prolonged ERK phosphorylation. Treatment of Jurkat cells with a commercial phosphatase inhibitor NSC87877 which can impact many phosphatases resulted in immune activation, measured by increased IL2 levels, only in the presence of LAG3. When NSC87877 was combined with the PD1 antibody, it could phenocopy combination benefit of PD1 and LAG3 blocking antibodies. CD28 has a recognized role in PD1 signaling but the impact on LAG3 signaling remains unknown. CD28 knockout in Jurkat cells affected overall IL-2 response of both LAG3 and PD1 antibody treatment but still retained combination benefit. Taken together this reductionist system highlights differences in downstream effects of LAG3 and PD1 blockade and we believe that the assay may have further utility to dissect convergence of both signaling pathways and augment studies in primary cells.
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Affiliation(s)
| | - Rene de Waal Malefyt
- Discovery Biologics, Merck & Co., Inc, South San Francisco, CA, USA; Synthekine, Inc., Menlo Park, CA, USA
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35
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Overcoming barriers to timely recognition and treatment of cancer cachexia: Sharing Progress in Cancer Care Task Force Position Paper and Call to Action. Crit Rev Oncol Hematol 2023; 185:103965. [PMID: 36931616 DOI: 10.1016/j.critrevonc.2023.103965] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 03/13/2023] [Indexed: 03/17/2023] Open
Abstract
Cachexia is a life-threatening disorder affecting an estimated 50-80% of cancer patients. The loss of skeletal muscle mass in patients with cachexia is associated with an increased risk of anticancer treatment toxicity, surgical complications and reduced response. Despite international guidelines, the identification and management of cancer cachexia remains a significant unmet need owing in part to the lack of routine screening for malnutrition and suboptimal integration of nutrition and metabolic care into clinical oncology practice. In June 2020, Sharing Progress in Cancer Care (SPCC) convened a multidisciplinary task force of medical experts and patient advocates to examine the barriers preventing the timely recognition of cancer cachexia, and provide practical recommendations to improve clinical care. This position paper summarises the key points and highlights available resources to support the integration of structured nutrition care pathways.
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36
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Nanodrug enhances post-ablation immunotherapy of hepatocellular carcinoma via promoting dendritic cell maturation and antigen presentation. Bioact Mater 2023; 21:57-68. [PMID: 36017073 PMCID: PMC9399385 DOI: 10.1016/j.bioactmat.2022.07.027] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/20/2022] [Accepted: 07/27/2022] [Indexed: 12/24/2022] Open
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37
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Han S, Chi Y, Yang Z, Ma J, Wang L. Tumor Microenvironment Regulation and Cancer Targeting Therapy Based on Nanoparticles. J Funct Biomater 2023; 14:136. [PMID: 36976060 PMCID: PMC10053410 DOI: 10.3390/jfb14030136] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 02/24/2023] [Accepted: 02/25/2023] [Indexed: 03/04/2023] Open
Abstract
Although we have made remarkable achievements in cancer awareness and medical technology, there are still tremendous increases in cancer incidence and mortality. However, most anti-tumor strategies, including immunotherapy, show low efficiency in clinical application. More and more evidence suggest that this low efficacy may be closely related to the immunosuppression of the tumor microenvironment (TME). The TME plays a significant role in tumorigenesis, development, and metastasis. Therefore, it is necessary to regulate the TME during antitumor therapy. Several strategies are developing to regulate the TME as inhibiting tumor angiogenesis, reversing tumor associated macrophage (TAM) phenotype, removing T cell immunosuppression, and so on. Among them, nanotechnology shows great potential for delivering regulators into TME, which further enhance the antitumor therapy efficacy. Properly designed nanomaterials can carry regulators and/or therapeutic agents to eligible locations or cells to trigger specific immune response and further kill tumor cells. Specifically, the designed nanoparticles could not only directly reverse the primary TME immunosuppression, but also induce effective systemic immune response, which would prevent niche formation before metastasis and inhibit tumor recurrence. In this review, we summarized the development of nanoparticles (NPs) for anti-cancer therapy, TME regulation, and tumor metastasis inhibition. We also discussed the prospect and potential of nanocarriers for cancer therapy.
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Affiliation(s)
- Shulan Han
- School of Pharmaceutical Sciences, Jilin University, Changchun 130021, China
| | - Yongjie Chi
- Key Laboratory of Green Process and Engineering, State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhu Yang
- Key Laboratory of Green Process and Engineering, State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Juan Ma
- Department of Clinical Laboratory Medicine, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Lianyan Wang
- Key Laboratory of Green Process and Engineering, State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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38
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Tertiary Lymphoid Structures Are Associated with a Favorable Prognosis in High-Grade Serous Ovarian Cancer Patients. Reprod Sci 2023:10.1007/s43032-023-01188-x. [PMID: 36759495 DOI: 10.1007/s43032-023-01188-x] [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: 10/28/2022] [Accepted: 01/30/2023] [Indexed: 02/11/2023]
Abstract
There was accumulating evidence indicating that tertiary lymphoid structures (TLSs) were strongly associated with improved survival and clinical outcome in several solid tumors. In this study, we intended to assess the presence of TLSs and their potential clinical significance in high-grade serous ovarian cancer (HGSOC). TCGA (The Cancer Genome Atlas) cohort included RNA-seq data of 376 HGSOC patients, of which 74 patients included available hematoxylin-eosin (H&E) sections; GEO (Gene Expression Omnibus) cohort, GSE140082, included microarray data of 212 HGSOC patients. TLSs were counted by pathological sections, and the relative abundance of TLSs was assessed by the unsupervised consensus clustering of 12-chemokine transcriptome signatures. The potential associations between TLSs and clinical prognosis, tumor microenvironment (TME), and immunotherapy response of HGSOC were further performed based on transcriptome data. In the H&E sections of HGSOC, TLSs were predominantly located in the stroma and invasive margin of the tumor. Pathological counting results suggested that the expression of 12 chemokines was significantly higher in samples abundant with TLSs than that in the lack of TLSs. Consensus clustering of both TCGA and GEO cohorts divided HGSOC patients into two clusters with different TLSs abundance: low- and high-TLSs. Based on transcriptome analysis, the high-TLS cluster was characterized by better clinical prognosis, a higher degree of immune infiltration, more biological pathways, higher tumor mutational burden score, and higher expression of immune checkpoints. In conclusion, TLSs strongly correlated with the immune-responsive microenvironment and remained a favorable prognostic factor independent of other clinical characteristics in HGSOC. The presence of TLSs was also associated with a potentially favorable response to immune checkpoint blockade (ICB) therapy in HGSOC.
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Stachura P, Stencel O, Lu Z, Borkhardt A, Pandyra AA. Arenaviruses: Old viruses present new solutions for cancer therapy. Front Immunol 2023; 14:1110522. [PMID: 37033933 PMCID: PMC10079900 DOI: 10.3389/fimmu.2023.1110522] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 03/13/2023] [Indexed: 04/11/2023] Open
Abstract
Viral-based cancer therapies have tremendous potential, especially in the context of treating poorly infiltrated cold tumors. However, in tumors with intact anti-viral interferon (IFN) pathways, while some oncolytic viruses induce strong innate and adaptive immune responses, they are neutralized before exerting their therapeutic effect. Arenaviruses, particularly the lymphocytic choriomeningitis virus (LCMV) is a noncytopathic virus with preferential cancer tropism and evolutionary mechanisms to escape the immune system for longer and to block early clearance. These escape mechanisms include inhibition of the MAVS dependent IFN pathway and spike protein antigen masking. Regarding its potential for cancer treatment, LCMV is therefore able to elicit long-term responses within the tumor microenvironment (TME), boost anti-tumor immune responses and polarize poorly infiltrating tumors towards a hot phenotype. Other arenaviruses including the attenuated Junin virus vaccine also have anti-tumor effects. Furthermore, the LCMV and Pichinde arenaviruses are currently being used to create vector-based vaccines with attenuated but replicating virus. This review focuses on highlighting the potential of arenaviruses as anti-cancer therapies. This includes providing a molecular understanding of its tropism as well as highlighting past and present preclinical and clinical applications of noncytophatic arenavirus therapies and their potential in bridging the gap in the treatment of cancers weakly responsive or unresponsive to oncolytic viruses. In summary, arenaviruses represent promising new therapies to broaden the arsenal of anti-tumor therapies for generating an immunogenic tumor microenvironment.
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Affiliation(s)
- Paweł Stachura
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
- Department of Molecular Medicine II, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Olivia Stencel
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | - Zhe Lu
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | - Arndt Borkhardt
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | - Aleksandra A. Pandyra
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
- *Correspondence: Aleksandra A. Pandyra,
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40
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Gu N, Sheng J. Introduction to Nanomedicine. Nanomedicine (Lond) 2023. [DOI: 10.1007/978-981-16-8984-0_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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41
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Darvishi M, Tosan F, Nakhaei P, Manjili DA, Kharkouei SA, Alizadeh A, Ilkhani S, Khalafi F, Zadeh FA, Shafagh SG. Recent progress in cancer immunotherapy: Overview of current status and challenges. Pathol Res Pract 2023; 241:154241. [PMID: 36543080 DOI: 10.1016/j.prp.2022.154241] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 11/20/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022]
Abstract
Cancer treatment is presently one of the most important challenges in medical science. Surgery, chemotherapy, radiotherapy, or combining these methods is used to eliminate the tumor. Hormone therapy, bone marrow transplantation, stem cell therapy as well as immunotherapy are other well-known therapeutic modalities. Immunotherapy, as the most important complementary method, uses the immune system for treating cancer followed by surgery, chemotherapy, and radiotherapy. This method is systematically used to prevent malignancies development mainly via potentiating antitumor immune cells activation and conversely compromising their exhaustion with the lowest negative effects on healthy cells. Active immunotherapy can be employed for cancer immunotherapy by directly using the ingredients of the immune system and activating immune responses. On the other hand, inactive immunotherapy is utilized by indirect induction and using immune cell-based products consisting of monoclonal antibodies. It has strongly been proved that combination therapy with immunotherapies and other therapeutic means, such as anti-angiogenic agents, could be a rational plan to treat cancer. Herein, we have focused on recent findings concerning the therapeutic merits of cancer therapy using immune checkpoint inhibitors (ICIs), adoptive cell transfer (ACT) and cancer vaccine alone or in combination with other approaches. Also, we offer a glimpse into the current challenges in this context.
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Affiliation(s)
- Mohammad Darvishi
- Infectious Diseases and Tropical Medicine Research Center (IDTMRC), Department of Aerospace and Subaquatic Medicine, AJA University of Medicinal Sciences, Tehran, Iran.
| | - Foad Tosan
- Student Research Committee, Semnan University of Medical Sciences, Semnan, Iran.
| | - Pooria Nakhaei
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Danial Amiri Manjili
- Department of Infectious Disease, School of Medicine, Babol University of Medical Sciences, Babol, Iran.
| | | | - Ali Alizadeh
- Department of Digital Health, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Saba Ilkhani
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Farima Khalafi
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Yang H, Wang J, Huang G. Small extracellular vesicles in metabolic remodeling of tumor cells: Cargos and translational application. Front Pharmacol 2022; 13:1009952. [PMID: 36588730 PMCID: PMC9800502 DOI: 10.3389/fphar.2022.1009952] [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: 08/02/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022] Open
Abstract
Warburg effect is characterized by excessive consumption of glucose by the tumor cells under both aerobic and hypoxic conditions. This metabolic reprogramming allows the tumor cells to adapt to the unique microenvironment and proliferate rapidly, and also promotes tumor metastasis and therapy resistance. Metabolic reprogramming of tumor cells is driven by the aberrant expression and activity of metabolic enzymes, which results in the accumulation of oncometabolites, and the hyperactivation of intracellular growth signals. Recent studies suggest that tumor-associated metabolic remodeling also depends on intercellular communication within the tumor microenvironment (TME). Small extracellular vesicles (sEVs), also known as exosomes, are smaller than 200 nm in diameter and are formed by the fusion of multivesicular bodies with the plasma membrane. The sEVs are instrumental in transporting cargoes such as proteins, nucleic acids or metabolites between the tumor, stromal and immune cells of the TME, and are thus involved in reprogramming the glucose metabolism of recipient cells. In this review, we have summarized the biogenesis and functions of sEVs and metabolic cargos, and the mechanisms through they drive the Warburg effect. Furthermore, the potential applications of targeting sEV-mediated metabolic pathways in tumor liquid biopsy, imaging diagnosis and drug development have also been discussed.
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Affiliation(s)
- Hao Yang
- Shanghai Key Laboratory of Molecular Imaging, Jiading District Central Hospital Affiliated Shanghai University of Medicine and Health Sciences, Shanghai, China,*Correspondence: Gang Huang, ; Hao Yang,
| | - Jingyi Wang
- Department of Nuclear Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Gang Huang
- Shanghai Key Laboratory of Molecular Imaging, Jiading District Central Hospital Affiliated Shanghai University of Medicine and Health Sciences, Shanghai, China,Department of Nuclear Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China,*Correspondence: Gang Huang, ; Hao Yang,
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43
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Identification of immune subtypes and their prognosis and molecular implications in colorectal cancer. PLoS One 2022; 17:e0278114. [PMID: 36417424 PMCID: PMC9683557 DOI: 10.1371/journal.pone.0278114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 10/12/2022] [Indexed: 11/25/2022] Open
Abstract
Immune composition is commonly heterogeneous and varies among colorectal cancer (CRC) patients. A comprehensive immune classification may act as important characteristics to predict CRC prognosis. Thus, we aimed to identify novel immune specific subtypes to guide future therapies. Unsupervised clustering was used to classify CRC samples into different immune subtypes based on abundances of immune cell populations, during which TCGA and GSE17536 datasets were used as training and validation sets, respectively. The associations between the immune subtypes and patient prognosis were investigated. Further, we identified differentially expressed genes (DEGs) between immune high and low subtypes, followed by functional enrichment analyses of DEGs. The expression levels of 74 immunomodulators (IMs) across immune subtypes were analyzed. As a result, we clustered CRC samples into three distinct immune subtypes (immune high, moderate, and low). Patients with immune-high subtype showed the best prognosis, and patients with immune-low subtype had the worst survival in both TCGA and GSE17536 cohorts. A group of 2735 up-regulated DEGs were identified across immune high and low subtypes. The main DEGs were the members of complement components, chemokines, immunoglobulins, and immunosuppressive genes that are involved in immune modulation-related pathways (e.g., cytokine-cytokine receptor interaction) or GO terms (e.g., adaptive immune response and T cell activation). The expression levels of 63 IMs were significantly varied across immune subtypes. In conclusion, this study provides a conceptual framework and molecular characteristics of CRC immune subtypes, which may accurately predict prognosis and offer novel targets for personalized immunotherapy through modifying subtype-specific tumor immune microenvironment.
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Re-purposing the pro-senescence properties of doxorubicin to introduce immunotherapy in breast cancer brain metastasis. Cell Rep Med 2022; 3:100821. [PMID: 36384097 PMCID: PMC9729880 DOI: 10.1016/j.xcrm.2022.100821] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 09/02/2022] [Accepted: 10/18/2022] [Indexed: 11/17/2022]
Abstract
An increasing number of breast cancer patients develop brain metastases (BM). Standard-of-care treatments are largely inefficient, and breast cancer brain metastasis (BCBM) patients are considered untreatable. Immunotherapies are not successfully employed in BCBM, in part because breast cancer is a "cold" tumor and also because the brain tissue has a unique immune landscape. Here, we generate and characterize immunocompetent models of BCBM derived from PyMT and Neu mammary tumors to test how harnessing the pro-senescence properties of doxorubicin can be used to prime the specific immune BCBM microenvironment. We reveal that BCBM senescent cells, induced by doxorubicin, trigger the recruitment of PD1-expressing T cells to the brain. Importantly, we demonstrate that induction of senescence with doxorubicin improves the efficacy of immunotherapy with anti-PD1 in BCBM in a CD8 T cell-dependent manner, thereby providing an optimized strategy to introduce immune-based treatments in this lethal disease. In addition, our BCBM models can be used for pre-clinical testing of other therapeutic strategies in the future.
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Heo CK, Lim WH, Park I, Choi YS, Lim KJ, Cho EW. Serum BRD2 autoantibody in hepatocellular carcinoma and its detection using mimotope peptide‑conjugated BSA. Int J Oncol 2022; 61:158. [PMID: 36321789 PMCID: PMC9635863 DOI: 10.3892/ijo.2022.5448] [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: 04/21/2022] [Accepted: 10/10/2022] [Indexed: 12/02/2022] Open
Abstract
Tumor‑associated (TA) autoantibodies are considered to be promising biomarkers for the early detection of cancer, prior to the development of clinical symptoms. In the present study, a novel TA autoantibody was detected, which may prove to be useful as a diagnostic marker of human HCC using an HBx‑transgenic (HBx‑tg) hepatocellular carcinoma (HCC) mouse model. Its target antigen was identified as the bromodomain‑containing protein 2 (BRD2), a transcriptional regulator that plays a pivotal role in the transcriptional control of diverse genes. BRD2 was upregulated in HCC tissues of the H‑ras12V‑tg mouse and human subjects, as demonstrated using western blotting or immunohistochemical analysis, with the BRD2 autoantibody. In addition, the truncated BRD2 reactive to the BRD2 autoantibody was detected in tumor cell‑derived exosomes, which possibly activated TA immune responses and the generation of autoantibodies. For the detection of the serum BRD2 autoantibody, epitope mimicries of autoantigenic BRD2 were screened from a random cyclic peptide CX<sub>7</sub>C library with the BRD2 autoantibody. A mimotope with the sequence of CTSVFLPHC, which was cyclized by one pair of cysteine residues, exhibited high affinity to the BRD2 autoantibody and competitively inhibited the binding of the autoantibody to the cellular BRD2 antigen. The use of this cyclic peptide as a capture antigen in human serum enzyme‑linked immunosorbent assay allowed the distinction of patients with HCC from healthy subjects with 64.41% sensitivity and 82.42% specificity (area under the ROC curve, 0.7761), which is superior to serum alpha‑fetoprotein (AFP; 35.83% sensitivity; 100% specificity; area under the ROC curve, 0.5337) for the diagnosis of HCC. In addition, the detection of the BRD2 autoantibody combined with other autoantibody biomarkers or AFP has increased the accuracy of HCC diagnosis, suggesting that the combinational detection of cancer biomarkers, including the BRD2 autoantibody, is a promising assay for HCC diagnosis.
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Affiliation(s)
- Chang-Kyu Heo
- Rare Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Won-Hee Lim
- Rare Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea,Department of Functional Genomics, University of Science and Technology, Daejeon 34141, Republic of Korea
| | - Inseo Park
- Rare Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Yon-Sik Choi
- ProteomeTech Inc., Seoul 07528, Republic of Korea
| | - Kook-Jin Lim
- ProteomeTech Inc., Seoul 07528, Republic of Korea
| | - Eun-Wie Cho
- Rare Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea,Department of Functional Genomics, University of Science and Technology, Daejeon 34141, Republic of Korea,Correspondence to: Dr Eun-Wie Cho, Rare Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea, E-mail:
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Correa S, Meany EL, Gale EC, Klich JH, Saouaf OM, Mayer AT, Xiao Z, Liong CS, Brown RA, Maikawa CL, Grosskopf AK, Mann JL, Idoyaga J, Appel EA. Injectable Nanoparticle-Based Hydrogels Enable the Safe and Effective Deployment of Immunostimulatory CD40 Agonist Antibodies. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103677. [PMID: 35975424 PMCID: PMC9534946 DOI: 10.1002/advs.202103677] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 06/27/2022] [Indexed: 05/31/2023]
Abstract
When properly deployed, the immune system can eliminate deadly pathogens, eradicate metastatic cancers, and provide long-lasting protection from diverse diseases. Unfortunately, realizing these remarkable capabilities is inherently risky as disruption to immune homeostasis can elicit dangerous complications or autoimmune disorders. While current research is continuously expanding the arsenal of potent immunotherapeutics, there is a technological gap when it comes to controlling when, where, and how long these drugs act on the body. Here, this study explored the ability of a slow-releasing injectable hydrogel depot to reduce dose-limiting toxicities of immunostimulatory CD40 agonist (CD40a) while maintaining its potent anticancer efficacy. A previously described polymer-nanoparticle (PNP) hydrogel system is leveraged that exhibits shear-thinning and yield-stress properties that are hypothesized to improve locoregional delivery of CD40a immunotherapy. Using positron emission tomography, it is demonstrated that prolonged hydrogel-based delivery redistributes CD40a exposure to the tumor and the tumor draining lymph node (TdLN), thereby reducing weight loss, hepatotoxicity, and cytokine storm associated with standard treatment. Moreover, CD40a-loaded hydrogels mediate improved local cytokine induction in the TdLN and improve treatment efficacy in the B16F10 melanoma model. PNP hydrogels, therefore, represent a facile, drug-agnostic method to ameliorate immune-related adverse effects and explore locoregional delivery of immunostimulatory drugs.
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Affiliation(s)
- Santiago Correa
- Department of Materials Science and EngineeringStanford UniversityStanfordCA94305USA
| | - Emily L. Meany
- Department of BioengineeringStanford UniversityStanfordCA94305USA
| | - Emily C. Gale
- Department of BiochemistryStanford University School of MedicineStanfordCA94305USA
| | - John H. Klich
- Department of BioengineeringStanford UniversityStanfordCA94305USA
| | - Olivia M. Saouaf
- Department of Materials Science and EngineeringStanford UniversityStanfordCA94305USA
| | - Aaron T. Mayer
- Department of BioengineeringStanford UniversityStanfordCA94305USA
| | - Zunyu Xiao
- Department of BioengineeringStanford UniversityStanfordCA94305USA
| | - Celine S. Liong
- Department of BioengineeringStanford UniversityStanfordCA94305USA
| | - Ryanne A. Brown
- Department of PathologyStanford University School of MedicineStanfordCA94305USA
| | | | | | - Joseph L. Mann
- Department of Materials Science and EngineeringStanford UniversityStanfordCA94305USA
| | - Juliana Idoyaga
- Department of Microbiology & ImmunologyStanford University School of MedicineStanfordCA94305USA
- Stanford ChEM‐H InstituteStanford University School of MedicineStanfordCA94305USA
- Stanford Cancer InstituteStanford University School of MedicineStanfordCA94305USA
| | - Eric A. Appel
- Department of Materials Science and EngineeringStanford UniversityStanfordCA94305USA
- Stanford ChEM‐H InstituteStanford University School of MedicineStanfordCA94305USA
- Stanford Cancer InstituteStanford University School of MedicineStanfordCA94305USA
- Department of Pediatrics – EndocrinologyStanford University School of MedicineStanfordCA94305USA
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Dogra A, Kour D, Bhardwaj M, Dhiman S, Kumar A, Vij B, Kumar A, Nandi U. Glabridin Plays Dual Action to Augment the Efficacy and Attenuate the Hepatotoxicity of Methotrexate in Arthritic Rats. ACS OMEGA 2022; 7:34341-34351. [PMID: 36188236 PMCID: PMC9520544 DOI: 10.1021/acsomega.2c03948] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 09/02/2022] [Indexed: 06/16/2023]
Abstract
Glabridin is chemically an isoflavane class of natural phenols and is found mainly in the roots of Glycyrrhiza glabra. It has several beneficial pharmacological actions for the management of inflammatory disorders as well as can counteract drug-induced toxic effects. On the other hand, methotrexate (MTX) is the first-line disease-modifying antirheumatic drug for the treatment of rheumatoid arthritis. However, its treatment is associated with major side effects like hepatotoxicity. In the quest to explore a suitable combination therapy that can improve the efficacy and reduce the hepatotoxicity of MTX, we hypothesized that glabridin might serve the purpose for which there is no literature precedent to date. We explored the antiarthritic efficacy of MTX in the presence or the absence of glabridin using Mycobacterium-induced arthritic model in rats. The results of reduction in paw swelling, inhibition of serum cytokines (TNF-α, IL-6, and IL-1β), and improvement in the bone joints from radiological and histopathological findings suggest that glabridin can substantially augment the antiarthritic efficacy of MTX. Further, results of concomitant glabridin treatment with MTX in the experimental time frame demonstrate that glabridin could considerably prevent the MTX-induced hepatic alteration in serum biochemical markers (SGPT and SGOT) and oxidative stress markers (malondialdehyde (MDA) and glutathione reduced (GSH)). Moreover, glabridin showed a marked effect in impeding the regulation of NF-κB/IκBα and Nrf2/Keap1 pathways in the hepatic tissues. The results of simultaneous administration of glabridin with MTX in the rat model indicate that glabridin had no pronounced effect of causing severe alteration in the pharmacokinetic behavior of MTX. In summary, glabridin can significantly potentiate the antiarthritic efficacy of MTX and can also minimize its hepatotoxicity via the inhibition of inflammation and oxidative stress. Further research should be performed to develop glabridin as a phytotherapeutics for the improved efficacy and better tolerability of MTX at the reduced dose level of MTX.
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Affiliation(s)
- Ashish Dogra
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Dilpreet Kour
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Mahir Bhardwaj
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sumit Dhiman
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Amit Kumar
- Natural
Product and Medicinal Chemistry (NPMC) Division, Council of Scientific and Industrial Research (CSIR)-Indian Institute
of Integrative Medicine, Jammu 180001, India
| | - Bhavna Vij
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
| | - Ajay Kumar
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Utpal Nandi
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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Martínez-Puente DH, Pérez-Trujillo JJ, Zavala-Flores LM, García-García A, Villanueva-Olivo A, Rodríguez-Rocha H, Valdés J, Saucedo-Cárdenas O, Montes de Oca-Luna R, Loera-Arias MDJ. Plasmid DNA for Therapeutic Applications in Cancer. Pharmaceutics 2022; 14:pharmaceutics14091861. [PMID: 36145609 PMCID: PMC9503848 DOI: 10.3390/pharmaceutics14091861] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/30/2022] [Accepted: 08/30/2022] [Indexed: 11/16/2022] Open
Abstract
Recently, the interest in using nucleic acids for therapeutic applications has been increasing. DNA molecules can be manipulated to express a gene of interest for gene therapy applications or vaccine development. Plasmid DNA can be developed to treat different diseases, such as infections and cancer. In most cancers, the immune system is limited or suppressed, allowing cancer cells to grow. DNA vaccination has demonstrated its capacity to stimulate the immune system to fight against cancer cells. Furthermore, plasmids for cancer gene therapy can direct the expression of proteins with different functions, such as enzymes, toxins, and cytotoxic or proapoptotic proteins, to directly kill cancer cells. The progress and promising results reported in animal models in recent years have led to interesting clinical results. These DNA strategies are expected to be approved for cancer treatment in the near future. This review discusses the main strategies, challenges, and future perspectives of using plasmid DNA for cancer treatment.
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Affiliation(s)
| | - José Juan Pérez-Trujillo
- Histology Department, Faculty of Medicine, Universidad Autonoma de Nuevo Leon (UANL), Monterrey 64460, Mexico
| | - Laura Mireya Zavala-Flores
- Department of Molecular Genetics, Northeast Biomedical Research Center (CIBIN) of IMSS, Nuevo Leon Delegation, Monterrey 64720, Mexico
| | - Aracely García-García
- Histology Department, Faculty of Medicine, Universidad Autonoma de Nuevo Leon (UANL), Monterrey 64460, Mexico
| | - Arnulfo Villanueva-Olivo
- Histology Department, Faculty of Medicine, Universidad Autonoma de Nuevo Leon (UANL), Monterrey 64460, Mexico
| | - Humberto Rodríguez-Rocha
- Histology Department, Faculty of Medicine, Universidad Autonoma de Nuevo Leon (UANL), Monterrey 64460, Mexico
| | - Jesús Valdés
- Departamento de Bioquímica, CINVESTAV-México, Av. IPN 2508, Colonia San Pedro Zacatenco, Mexico City 07360, Mexico
| | - Odila Saucedo-Cárdenas
- Histology Department, Faculty of Medicine, Universidad Autonoma de Nuevo Leon (UANL), Monterrey 64460, Mexico
| | - Roberto Montes de Oca-Luna
- Histology Department, Faculty of Medicine, Universidad Autonoma de Nuevo Leon (UANL), Monterrey 64460, Mexico
- Correspondence: (R.M.d.O.-L.); (M.d.J.L.-A.); Tel.: +52-81-8329-4195 (R.M.d.O.-L. & M.d.J.L.-A.)
| | - María de Jesús Loera-Arias
- Histology Department, Faculty of Medicine, Universidad Autonoma de Nuevo Leon (UANL), Monterrey 64460, Mexico
- Correspondence: (R.M.d.O.-L.); (M.d.J.L.-A.); Tel.: +52-81-8329-4195 (R.M.d.O.-L. & M.d.J.L.-A.)
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Aryee K, Burzenski LM, Yao L, Keck JG, Greiner D, Shultz LD, Brehm MA. Enhanced development of functional human NK cells in NOD-scid-IL2rg null mice expressing human IL15. FASEB J 2022; 36:e22476. [PMID: 35959876 PMCID: PMC9383543 DOI: 10.1096/fj.202200045r] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 07/08/2022] [Accepted: 07/19/2022] [Indexed: 01/09/2023]
Abstract
Human innate immunity plays a critical role in tumor surveillance and in immunoregulation within the tumor microenvironment. Natural killer (NK) cells are innate lymphoid cells that have opposing roles in the tumor microenvironment, including NK cell subsets that mediate tumor cell cytotoxicity and subsets with regulatory function that contribute to the tumor immune suppressive environment. The balance between effector and regulatory NK cell subsets has been studied extensively in murine models of cancer, but there is a paucity of models to study human NK cell function in tumorigenesis. Humanized mice are a powerful alternative to syngeneic mouse tumor models for the study of human immuno-oncology and have proven effective tools to test immunotherapies targeting T cells. However, human NK cell development and survival in humanized NOD-scid-IL2rgnull (NSG) mice are severely limited. To enhance NK cell development, we have developed NSG mice that constitutively expresses human Interleukin 15 (IL15), NSG-Tg(Hu-IL15). Following hematopoietic stem cell engraftment of NSG-Tg(Hu-IL15) mice, significantly higher levels of functional human CD56+ NK cells are detectable in blood and spleen, as compared to NSG mice. Hematopoietic stem cell (HSC)-engrafted NSG-Tg(Hu-IL15) mice also supported the development of human CD3+ T cells, CD20+ B cells, and CD33+ myeloid cells. Moreover, the growth kinetics of a patient-derived xenograft (PDX) melanoma were significantly delayed in HSC-engrafted NSG-Tg(Hu-IL15) mice as compared to HSC-engrafted NSG mice demonstrating that human NK cells have a key role in limiting the tumor growth. Together, these data demonstrate that HSC-engrafted NSG-Tg(Hu-IL15) mice support enhanced development of functional human NK cells, which limit the growth of PDX tumors.
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Affiliation(s)
- Ken‐Edwin Aryee
- Program in Molecular MedicineDiabetes Center of Excellence, University of Massachusetts Chan Medical SchoolWorcesterMassachusettsUSA
| | | | - Li‐Chin Yao
- The Jackson LaboratorySacramentoCaliforniaUSA
| | | | - Dale L. Greiner
- Program in Molecular MedicineDiabetes Center of Excellence, University of Massachusetts Chan Medical SchoolWorcesterMassachusettsUSA
| | | | - Michael A. Brehm
- Program in Molecular MedicineDiabetes Center of Excellence, University of Massachusetts Chan Medical SchoolWorcesterMassachusettsUSA
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50
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Eismann L, Rodler S, Buchner A, Schulz GB, Volz Y, Bischoff R, Ebner B, Westhofen T, Casuscelli J, Waidelich R, Stief C, Schlenker B, Ledderose S. Identification of the Tumor Infiltrating Lymphocytes (TILs) Landscape in Pure Squamous Cell Carcinoma of the Bladder. Cancers (Basel) 2022; 14:cancers14163999. [PMID: 36010989 PMCID: PMC9406640 DOI: 10.3390/cancers14163999] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 08/07/2022] [Accepted: 08/15/2022] [Indexed: 11/19/2022] Open
Abstract
Background: Tumor infiltrating lymphocytes (TILs) are known as important prognostic biomarkers and build the fundament for immunotherapy. However, the presence of TILs and its impact on outcome in pure squamous cell carcinoma (SCC) of the bladder remains uncertain. Methods: Out of 1600 patients undergoing radical cystectomy, 61 patients revealed pure bladder SCC in the final histopathological specimen. Retrospectively, immunohistochemical staining was performed on a subset of TILs (CD3+, CD4+, CD8+, CD20+). Endpoints were overall survival (OS), cancer-specific survival (CSS) and progression-free survival (PFS). The Kaplan−Meier method was used to evaluate survival outcomes. Results: Strong infiltration of CD3+ was found in 27 (44%); of CD4+ in 28 (46%); of CD8+ in 26 (43%); and of CD20+ in 27 tumors (44%). Improved OS was observed for strong CD3+ (p < 0.001); CD4+ (p = 0.045); CD8+ (p = 0.001); and CD20+ infiltration (p < 0.001). Increased rates of PFS were observed for CD3+ (p = 0.025) and CD20+ TILs (p = 0.002). In multivariate analyses, strong CD3+ (HR: 0.163, CI: 0.044−0.614) and strong CD8+ TILs (HR: 0.265, CI: 0.081−0.864) were revealed as predictors for OS and the strong infiltration of CD20+ cells (HR: 0.095, CI: 0.019−0.464) for PFS. Conclusions: These first results of TILs in bladder SCC revealed predictive values of CD3+, CD8+ and CD20+.
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Affiliation(s)
- Lennert Eismann
- Department of Urology, University Hospital Munich, Ludwig-Maximilian-University, 81377 Munich, Germany
- Correspondence:
| | - Severin Rodler
- Department of Urology, University Hospital Munich, Ludwig-Maximilian-University, 81377 Munich, Germany
| | - Alexander Buchner
- Department of Urology, University Hospital Munich, Ludwig-Maximilian-University, 81377 Munich, Germany
| | - Gerald Bastian Schulz
- Department of Urology, University Hospital Munich, Ludwig-Maximilian-University, 81377 Munich, Germany
| | - Yannic Volz
- Department of Urology, University Hospital Munich, Ludwig-Maximilian-University, 81377 Munich, Germany
| | - Robert Bischoff
- Department of Urology, University Hospital Munich, Ludwig-Maximilian-University, 81377 Munich, Germany
| | - Benedikt Ebner
- Department of Urology, University Hospital Munich, Ludwig-Maximilian-University, 81377 Munich, Germany
| | - Thilo Westhofen
- Department of Urology, University Hospital Munich, Ludwig-Maximilian-University, 81377 Munich, Germany
| | - Jozefina Casuscelli
- Department of Urology, University Hospital Munich, Ludwig-Maximilian-University, 81377 Munich, Germany
| | - Raphaela Waidelich
- Department of Urology, University Hospital Munich, Ludwig-Maximilian-University, 81377 Munich, Germany
| | - Christian Stief
- Department of Urology, University Hospital Munich, Ludwig-Maximilian-University, 81377 Munich, Germany
| | - Boris Schlenker
- Department of Urology, University Hospital Munich, Ludwig-Maximilian-University, 81377 Munich, Germany
| | - Stephan Ledderose
- Department of Pathology, University Hospital Munich, Ludwig-Maximilian-University, 80337 Munich, Germany
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