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Dense stroma activates the TGF-β1/FBW7 axis to induce metabolic subtype switching in pancreatic cancer.
Int J Surg
January 2025
Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.
Background: Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal diseases. Although several chemotherapy regimens have been developed over the past decades, few targeted therapies have shown a significant improvement in overall survival, partly due to the identification of PDAC as a single disease.
Methods: Combining metabolomic analysis and immunohistochemistry staining with Oil Red O staining, analysis for the oxygen consumption rate and extracellular acidification rate, we stratified pancreatic cancer cells into two subtypes.
Exocrine pancreatic insufficiency as an unusual extrarenal manifestation of proximal renal tubular acidosis associated with a novel SLC4A4 mutation.
Pediatr Nephrol
January 2025
Department of Pediatric Nephrology, Istanbul University- Cerrahpasa, Cerrahpasa Faculty of Medicine, 34098, Istanbul, Turkey.
Autosomal recessive proximal renal tubular acidosis (AR-pRTA) with ocular abnormalities is a rare syndrome caused by variants in the SLC4A4 gene, which encodes Na/HCO3 cotransporter (NBCe1). The syndrome primarily affects the kidneys, but also causes extra-renal manifestations. Pancreatic type NBCe1 is located at the basolateral membrane of the pancreatic ductal cells and together with CFTR chloride channel, it is involved in bicarbonate secretion.
View Article and Find Full Text PDFNanoparticle-protein corona enhances accuracy of Ca-19.9-based pancreatic cancer classification.
Nanoscale
January 2025
Institute of Inorganic Chemistry, Graz University of Technology, 8010 Graz, Austria.
Among the various types of pancreatic cancers, pancreatic ductal adenocarcinoma (PDAC) is the most lethal and aggressive, due to its tendency to metastasize quickly and has a particularly low five-year survival rate. Carbohydrate antigen 19-9 (CA 19-9) is the only biomarker approved by the Food and Drug Administration for PDAC and has been a focal point in diagnostic strategies, but its sensitivity and specificity are not sufficient for early and accurate detection. To address this issue, we introduce a synergistic approach combining CA 19-9 levels with a graphene oxide (GO)-based blood test.
View Article and Find Full Text PDFLoss of increases type I interferon signalling and reduces pancreatic tumour growth by enhancing immune cell infiltration.
Front Immunol
January 2025
Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada.
Background: Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal forms of cancer, and despite low incidence rates, it remains the sixth leading cause of cancer related deaths worldwide. Immunotherapy, which aims to enhance the immune system's ability to recognize and eliminate cancer cells, has emerged as a promising approach in the battle against PDAC. PARP7, a mono-ADP-ribosyltransferase, is a negative regulator of the type I interferon (IFN-I) pathway and has been reported to reduce anti-tumour immunity.
View Article and Find Full Text PDFThe value of a metabolic and immune-related gene signature and adjuvant therapeutic response in pancreatic cancer.
Front Genet
January 2025
Department of Oncology, The Third Affiliated Hospital of Nanjing Medical University, Changzhou, China.
Background: Pancreatic ductal adenocarcinoma (PDAC) is a highly aggressive malignancy characterized by a dismal prognosis. Treatment outcomes exhibit substantial variability across patients, underscoring the urgent need for robust predictive models to effectively estimate survival probabilities and therapeutic responses in PDAC.
Methods: Metabolic and immune-related genes exhibiting differential expression were identified using the TCGA-PDAC and GTEx datasets.
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