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Bone marrow-derived cells in the tumor microenvironment, including macrophages, neutrophils, dendritic cells, myeloid-derived suppressor cells, eosinophils and basophils, participate in the generation, development, invasion and metastasis of tumors by producing different cytokines and interacting with other cell types, and play a pro-tumor or anti-tumor role in regulating tumor immunity. Due to the complexity of cell types in the tumor microenvironment and the unknown process of tumor development and metastasis, cancer treatment to achieve better survival status remains challenging. In this article, we summarize the effects of myeloid cells in tumor microenvironment on tumor immunity, cancer migration, and crosstalk with metabolism (including glucose metabolism, lipid metabolism, and amino acid metabolism), which will help to further study the tumor microenvironment and seek targeted therapeutic strategies for patients.
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http://dx.doi.org/10.1007/s10565-025-10012-y | DOI Listing |
ACS Biomater Sci Eng
September 2025
Departamento de Genética, Evolução, Microbiologia e Immunologia, Instituto de Biologia, Universidade Estadual de Campinas - UNICAMP, Campinas, São Paulo 13083-862, Brazil.
Violacein exhibits antitumor activity, indicating potential for future clinical application. However, an efficient delivery system is required for the clinical use of this hydrophobic compound. Effective delivery systems can enhance the solubility and bioavailability of hydrophobic compounds like violacein, facilitating its clinical application for antitumor therapy.
View Article and Find Full Text PDFJ Biomed Sci
September 2025
Division of Gastroenterology, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA, USA.
Oncometabolites are aberrant metabolic byproducts that arise from mutations in enzymes of the tricarboxylic acid (TCA) cycle or related metabolic pathways and play central roles in tumor progression and immune evasion. Among these, 2-hydroxyglutarate (2-HG), succinate, and fumarate are the most well-characterized, acting as competitive inhibitors of α-ketoglutarate-dependent dioxygenases to alter DNA and histone methylation, cellular differentiation, and hypoxia signaling. More recently, itaconate, an immunometabolite predominantly produced by activated macrophages, has been recognized for its dual roles in modulating inflammation and tumor immunity.
View Article and Find Full Text PDFOncogene
September 2025
Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
Pancreatic cancer is a highly aggressive malignancy with a dismal prognosis, characterized by a complex tumor microenvironment that promotes immunosuppression and limits the efficacy of immune checkpoint blockade (ICB) therapy. Fibroblast activation protein (FAP) is overexpressed in the tumor stroma and represents a promising target for therapeutic intervention. Here, we developed a novel antibody-drug conjugate (ADC) targeting FAP, and investigated its anti-tumor activity and ability to enhance ICB efficacy in pancreatic cancer.
View Article and Find Full Text PDFUrol Oncol
September 2025
Nutritional, Genes and Human Disease Laboratory, Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka, Bangladesh. Electronic address:
Background: Understanding the mutational landscape is critical for elucidating the molecular mechanisms driving cancer progression. This study aimed to profile somatic mutations in bladder cancer patients (N=7) from Bangladesh to provide insights into the genetic alterations underlying this malignancy.
Methods: We performed targeted sequencing of 50 oncogenes and tumor suppressor genes using the Ion AmpliSeq Cancer Hotspot Panel v2 on tumor and matched blood samples from seven bladder cancer patients.
J Immunother Cancer
September 2025
Pharmaceutical Sciences, Washington State University, Spokane, Washington, USA
Prostate cancer (PC) is notoriously known for exhibiting an immunologically cold phenotype in the tumor immune microenvironment (TIME), leading to the need for interventions to enhance immunotherapy efficacy. Recent findings by Zhao in the identified stromal monoamine oxidase A (MAOA), a key enzyme that degrades monoamine neurotransmitters and plays a role in the neuroendocrine system, as a critical regulator of the immune response to PC. Altering MAOA levels in myofibroblastic cancer-associated fibroblasts, either genetically or pharmacologically, can reprogram PC's TIME to modulate CD8 T cell-mediated cytotoxicity through the WNT5A-Ca²-NFATC1 signaling axis, highlighting the stromal influences on CD8 T cell cytotoxic activity within the TIME.
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