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The immune microenvironment plays a critical regulatory role in the pathogenesis of Helicobacter pylori (H. pylori). Understanding the mechanisms that drive the transition from chronic inflammation to cancer may provide new insights for early detection of gastric cancer. Although chronic inflammation is frequent in precancerous gastric conditions, the monitoring function of the inflammatory microenvironment in the progression from H. pylori-induced chronic inflammation to gastric cancer remains unclear. This literature review summarizes significant findings on how H. pylori triggers inflammatory responses and facilitates cancer development through the immune microenvironment. Furthermore, the implications for future research and clinical applications are also addressed. The review is divided into four main sections: inflammatory response and immune evasion mechanisms induced by H. pylori, immune dysregulation associated with gastric cancer, therapeutic implications, and future perspectives on H. pylori-induced gastric carcinogenesis with a focus on the immune microenvironment.
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http://dx.doi.org/10.1016/j.bbcan.2024.189139 | DOI Listing |
Metab Brain Dis
September 2025
Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, China Three Gorges University, Yichang, 443002, Hubei, China.
Demyelinating diseases, a prevalent group of neurological disorders, lead to impaired nerve conduction and sensorimotor dysfunctions. Despite existing treatments demonstrating some efficacy, their limitations have driven research toward exploring natural remedies. This review summarizes the therapeutic potential of four traditional tonic Chinese herbal medicines-ginsenosides, deer antler polypeptides, resveratrol, and ginkgo leaf extracts-for demyelinating diseases.
View Article and Find Full Text PDFJ Gastroenterol
September 2025
Department of General Surgery (Hepatopancreatobiliary Surgery), Department of Biliary-Pancreatic Center, The Affiliated Hospital of Southwest Medical University, 25 Taiping Street, Jiangyang District, Luzhou City, 646000, Sichuan Province, China.
Background And Aims: Inflammatory cell infiltration in the liver is a hallmark of metabolic dysfunction-associated fatty liver disease (MAFLD). However, the pathological events that trigger the infiltration of inflammatory cells to mediate MAFLD pathogenesis remains poorly understood. This study aims to investigate the function and mechanism of Hic-5 on hepatic inflammation of MAFLD.
View Article and Find Full Text PDFMol Biomed
September 2025
National Key Laboratory of Immunity and Inflammation & Institute of Immunology, College of Basic Medical Sciences, Naval Medical University, Shanghai, 200433, China.
Dendritic cells (DCs) play a central role in coordinating immune responses by linking innate and adaptive immunity through their exceptional antigen-presenting capabilities. Recent studies reveal that metabolic reprogramming-especially pathways involving acetyl-coenzyme A (acetyl-CoA)-critically influences DC function in both physiological and pathological contexts. This review consolidates current knowledge on how environmental factors, tumor-derived signals, and intrinsic metabolic pathways collectively regulate DC development, subset differentiation, and functional adaptability.
View Article and Find Full Text PDFFASEB J
September 2025
Department of Obstetrics, Obstetrics and Gynecology Center, The First Hospital of Jilin University, Changchun, Jilin, China.
Tumor-associated macrophages (TAMs) act as a vital player in the immunosuppressive tumor microenvironment (TME) and have received widespread attention in the treatment of cancer in recent times. Nevertheless, simultaneously inducing TAM repolarization and strengthening their phagocytic ability on cancer cells is still a significant challenge. Ferroptosis has received widespread attention due to its lethal effects on tumor cells, but its role in TAMs and its impact on tumor progression have not yet been defined.
View Article and Find Full Text PDFCancer Immunol Res
September 2025
The Wistar Institute, Philadelphia, PA, United States.
Ovarian cancer remains a major health threat with limited treatment options available. It is characterized by immunosuppressive tumor microenvironment (TME) maintained by tumor-associated macrophages (TAMs) hindering anti-tumor responses and immunotherapy efficacy. Here we show that targeting retinoblastoma protein (Rb) by disruption of its LxCxE cleft pocket causes preferential cell death in Rbhigh M2 polarized or M2-like Rbhigh immunosuppressive TAMs by induction of ER stress, p53 and mitochondria-related cell death pathways.
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