The development of checkpoint antibodies for cancer therapy has been guided by the principle of blocking T cell inhibitory signals. Recognition of the role of the Fc domain in therapeutic activities, through the depletion of immunosuppressive populations and myeloid cell activation, prompts a shift toward the development of optimized Fc-engineered checkpoint antibodies.
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http://dx.doi.org/10.1016/j.molmed.2024.10.008 | DOI Listing |
World J Urol
January 2025
Department of Urology, Erasmus University Medical Center, Erasmus MC Cancer Institute, Dr. Molewaterplein 40, Room Be-304, 3015 GD, Rotterdam, The Netherlands.
Purpose: Up to 50% of high-risk non-muscle invasive bladder cancer (HR-NMIBC) patients fail Bacillus Calmette-Guérin (BCG) treatment, resulting in a high risk of progression and poor clinical outcomes. Biomarkers that predict outcomes after BCG are lacking. The antitumor effects of BCG are driven by a cytotoxic T cell response, which may be controlled by immune checkpoint proteins like Programmed Death Ligand 1 (PD-L1).
View Article and Find Full Text PDFCancer Immunol Immunother
January 2025
Public Center of Experimental Technology, The School of Basic Medical Sciences, Southwest Medical University, Luzhou, 646000, Sichuan Province, China.
Although immune checkpoint inhibitors have changed the treatment paradigm for non-small cell lung cancer (NSCLC), not all patients benefit from them. Therefore, there is an urgent need to explore novel immune checkpoint inhibitors. Neuropilin-1 (Nrp-1) is a unique immune checkpoint capable of exerting antitumor effects through CD8 T cells.
View Article and Find Full Text PDFCancer Immunol Immunother
January 2025
Department of Dermatology and National Center for Tumor Diseases (NCT), Medical Faculty Heidelberg, NCT Heidelberg, a partnership between DKFZ and University Hospital Heidelberg, Heidelberg University, Heidelberg, Germany.
Cytomegalovirus (CMV) infection or reactivation in immune-compromised individuals can lead to a wide range of severe complications including hepatitis. However, its relation with immune checkpoint inhibitors (ICIs) induced hepatitis (ICI-hepatitis) and tumor responses in advanced melanoma patients remains unclear. Hundred and ninety metastatic cutaneous melanoma patients (mCM) who received ICI treatment, with CMV IgG or IgM information available at baseline, were included in the study (Cohort 1).
View Article and Find Full Text PDFCancer Immunol Immunother
January 2025
Department of General Surgery, Shengjing Hospital of China Medical University, ShenyangLiaoning Province, 110004, China.
Myeloid cells accumulate extensively in most tumors and play a critical role in immunosuppression of the tumor microenvironment (TME). Like T cells, myeloid cells also express immune checkpoint molecules, which induce the immunosuppressive phenotype of these cells. In this review, we summarize the tumor-promoting function and immune checkpoint expression of four types of myeloid cells: macrophages, neutrophils, dendritic cells, and myeloid-derived suppressor cells, which are the main components of the TME.
View Article and Find Full Text PDFCancer Immunol Immunother
January 2025
Department of Medical Oncology, Institut de Cancérologie de L'Ouest, 44805, Saint Herblain, France.
Immune checkpoint inhibitors (ICI), i.e., anti-PD1/PDL1 and anti-CTLA-4, have reshaped the prognosis of many cancers.
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