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Sorafenib enhanced the function of myeloid-derived suppressor cells in hepatocellular carcinoma by facilitating PPARα-mediated fatty acid oxidation.
Mol Cancer
January 2025
Department of Radiation Oncology, Peking University Third Hospital, Beijing, 100191, China.
Background: Sorafenib, an FDA-approved drug for advanced hepatocellular carcinoma (HCC), faces resistance issues, partly due to myeloid-derived suppressor cells (MDSCs) that enhance immunosuppression in the tumor microenvironment (TME).
Methods: Various murine HCC cell lines and MDSCs were used in a series of in vitro and in vivo experiments. These included subcutaneous tumor models, cell viability assays, flow cytometry, immunohistochemistry, and RNA sequencing.
Steatohepatitis-induced vascular niche alterations promote melanoma metastasis.
Cancer Metab
January 2025
Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, Mannheim, 68167, Germany.
Background: In malignant melanoma, liver metastases significantly reduce survival, even despite highly effective new therapies. Given the increase in metabolic liver diseases such as metabolic dysfunction-associated steatotic liver disease (MASLD) and metabolic dysfunction-associated steatohepatitis (MASH), this study investigated the impact of liver sinusoidal endothelial cell (LSEC)-specific alterations in MASLD/MASH on hepatic melanoma metastasis.
Methods: Mice were fed a choline-deficient L-amino acid-defined (CDAA) diet for ten weeks to induce MASH-associated liver fibrosis, or a CDAA diet or a high fat diet (HFD) for shorter periods of time to induce early steatosis-associated alterations.
NFAT5 exacerbates β-cell ferroptosis by suppressing the transcription of PRDX2 in obese type 2 diabetes mellitus.
Cell Mol Life Sci
January 2025
Department of Endocrinology, Central South University Third Xiangya Hospital, Changsha, China.
Pancreatic β-cell damage is a critical pathological mechanism in the progression of obese type 2 diabetes mellitus (T2DM). However, the exact underlying mechanism remains unclear. We established an obese T2DM mouse model via high-fat diet feeding.
View Article and Find Full Text PDFManagement factors affecting milk yield, composition, and quality on smallholder dairy farms.
Trop Anim Health Prod
January 2025
Department of Clinical Sciences, Swedish University of Agricultural Sciences, Box 7024, 750 07, Uppsala, Sweden.
A cross-sectional study on 156 smallholder dairy farms in Rwanda was carried out to assess the association between farm management practices and milk yield and quality. A pre-tested questionnaire was used to collect data on cow characteristics and farm management practices. Milk yield was recorded at household level, milk composition was monitored using a Lactoscan device (Milk Analyzer).
View Article and Find Full Text PDFEffects of omega-3 polyunsaturated fatty acids on inflammation resolution and angiogenesis in fat grafts in a controlled mouse model.
Plast Reconstr Surg
January 2025
All from the Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shijingshan District, Beijing, China.
Background: The upregulation or delay of acute inflammation at any stage limits fat graft survival. Active endogenous inflammation resolution mechanisms and mediators are novel therapeutic tools for inflammation. This study explored the effects of supplementation of omega-3 polyunsaturated fatty acids (PUFAs) deriving specialized proresolving mediators (SPMs) on postoperative inflammation and graft survival in vivo.
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