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: Gastric cancer (GC) is the fifth leading cause of cancer-related mortality. CLDN18.2 is a tight junction protein, expressed in gastric mucosa and is considered as a novel therapeutic target. Even though CLDN18.2 is associated with various components of the tumor microenvironment and the relation with clinical histopathological parameters has been widely studied, there is no sufficient data on the associations of CLDN18.2 expression and the components of the tumor microenvironment. This systematic review aims to gather and present all available data about the correlation of CLDN 18.2 expression and the tumor microenvironment. : The research questions were systematically formulated using the PICO model to ensure clarity and precision, and the PRISMA flow diagram was constructed to detail the study selection process. : Sixteen original articles were retrieved. The major finding of this study was the positive correlation between CLDN18.2 expression and CD8+ T cells, neutrophils and cancer-associated fibroblasts. No correlation was found between CLDN18.2 expression and Tregs and B cells. For the remaining components of the microenvironment, there are contradictory data about their correlation with the expression of CLDN18.2. : The tumor microenvironment plays a critical role in cancer progression and needs to be studied more thoroughly.
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http://dx.doi.org/10.3390/cancers17132120 | DOI Listing |
Ann Surg Oncol
September 2025
Department of Thoracic Surgery, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, Fujian Province, China.
Background: RUNX3 acts as a tumor suppressor gene in non-small-cell lung cancer (NSCLC), yet its specific biological mechanism is still unclear. This study aimed to uncover tumor microenvironment (TME) changes in NSCLC with varying RUNX3 expression statuses through single-cell RNA sequencing.
Patients And Methods: In total, seven patients with NSCLC with detailed pathological data were involved, with three both paracancerous and cancerous tissue samples.
Crit Rev Oncol Hematol
September 2025
Unit of Cancer Genetics, Institute of Genetic & Biomedical Research (IRGB), National Research Council (CNR), Traversa La Crucca n. 3, 07100, Sassari, Italy; Immuno-Oncology & Targeted Cancer Biotherapies, University of Sassari, Viale San Pietro 43, 07100, Sassari, Italy. Electronic address: gpalmier
Mutations in the KRAS gene are prominent oncogenic drivers in non-small cell lung cancer (NSCLC), with multiple pathophysiological, clinical and prognostic implications. Although historically considered an "undruggable" target, recent research led to the development of specific KRAS-G12C inhibitors, like sotorasib and adagrasib which are currently approved for clinical use in patients affected by advanced NSCLC. However, the clinical utility of these drugs is often limited by resistance development through several biological mechanisms, including additional KRAS mutations, activation of compensatory pathways and metabolic reprogramming.
View Article and Find Full Text PDFBiomed J
September 2025
Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University. Electronic address:
Background: Lung cancer is the leading cause of cancer-related mortality worldwide. Although immune checkpoint inhibitors (ICIs), chemotherapy, and molecular targeted therapies have improved survival rates, therapeutic resistance remains a major barrier to curative outcomes. Recently, plasminogen activator inhibitor-1 (PAI-1) has been implicated in lung cancer progression and treatment resistance.
View Article and Find Full Text PDFBrain Res
September 2025
Department of Neurosurgery, The Second Affiliated Hospital of Jiaxing University, Jiaxing 314000, Zhejiang, China. Electronic address:
Glioblastoma multiforme (GBM) is a rapidly progressing brain malignancy, with its progression closely tied to a hypoxic microenvironment. Hypoxia-inducible factor-1α (HIF-1α) acts as a vital regulator in tumor adaptation to low oxygen levels, and its relationship with the Wnt/β-catenin signaling pathway exerts significant functions in the malignant properties of GBM. In this research, Western blot and qRT-PCR were applied to check β-catenin and HIF-1α expression in GBM.
View Article and Find Full Text PDFInt J Biol Macromol
September 2025
Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, 400019, India. Electronic address:
Polysaccharide copolymers Conjuates have surfaced as a versatile foundation in the development of advanced smart drug delivery systems, owing to their inherent biocompatibility, biodegradability, and capacity for chemical modification. This review brings into focus the recent advances in co-polymeric drug delivery systems based on naturally occurring polysaccharides like chitosan, alginate, dextran, hyaluronic acid, pullulan, guar gum, xanthan gum, agarose, gellan gum, and starch. Their structural malleability and functionalization capabilities are emphasized to engineer therapeutic payload stability, bioavailability, and controlled release.
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