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Prolonged tamoxifen treatment induces iron deposition and ferroptosis in the liver.
FASEB J
January 2025
Department of Nutrition, Second Military Medical University, Shanghai, China.
Tamoxifen is an inhibitor of estrogen receptors and was originally developed for breast cancer therapy. Besides, tamoxifen is widely used for Cre-estrogen receptor-mediated conditional knockout in transgenic mice. However, we found that the 3-month feeding of 0.
View Article and Find Full Text PDFModeling Malignant Mesothelioma in Genetically Engineered Mice.
Curr Protoc
January 2025
Cancer Prevention and Control Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania.
Mesothelioma is a lethal cancer of the serosal lining of the body cavities. Risk factors include environmental and genetic factors. Asbestos exposure is considered the principal environmental risk factor, but other carcinogenic mineral fibers, such as erionite, also have a causal role.
View Article and Find Full Text PDFSarcolemma resilience and skeletal muscle health require O-mannosylation of dystroglycan.
Skelet Muscle
January 2025
Department of Molecular Physiology and Biophysics, and Department of Neurology, Howard Hughes Medical Institute, Senator Paul D. Wellstone Muscular Dystrophy Specialized Research Center, Roy J. and Lucille A. Carver College of Medicine, The University of Iowa, Iowa City, Iowa, USA.
Background: Maintaining the connection between skeletal muscle fibers and the surrounding basement membrane is essential for muscle function. Dystroglycan (DG) serves as a basement membrane extracellular matrix (ECM) receptor in many cells, and is also expressed in the outward-facing membrane, or sarcolemma, of skeletal muscle fibers. DG is a transmembrane protein comprised of two subunits: alpha-DG (α-DG), which resides in the peripheral membrane, and beta-DG (β-DG), which spans the membrane to intracellular regions.
View Article and Find Full Text PDFConditional Deletion of Gremlin-1 in Cathepsin K-expressing Mature Osteoclasts Altered the Skeletal Response to Calcium Depletion in Sex-Dependent Manner.
Calcif Tissue Int
January 2025
Musculoskeletal Disease Center (151), Jerry L. Pettis Memorial VA Medical Center, VA Loma Linda Healthcare System, 11201 Benton Street, Loma Linda, CA, 92357, USA.
This study assessed the novel concept that osteoclast-derived Grem1 has regulatory functions in the skeletal response to calcium stress using an osteoclastic Grem1 conditional knockout (cKO) mouse model. The calcium stress was initiated by feeding cKO mutants and wildtype (WT) littermates a calcium-deficient diet for 2 weeks. Deletion of Grem1 in mature osteoclasts did not affect developmental bone growth nor basal bone turnover.
View Article and Find Full Text PDFInhibition of AXL ameliorates pulmonary fibrosis attenuation of M2 macrophage polarization.
Eur Respir J
January 2025
Department of Biochemistry and Molecular Biology, Brain Korea 21 Project, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.
Rationale: Although a relationship between the Gas6/AXL pathway and pulmonary fibrosis (PF) has been suggested, the precise mechanisms and clinical implications of the AXL pathway in idiopathic pulmonary fibrosis (IPF) are still unclear.
Methods: Constitutive and conditional AXL-knockout mice were generated and injected with bleomycin (BLM) to induce pulmonary fibrosis. The expression of AXL and macrophage subtypes in BLM-injected mice and patients with IPF was analysed using flow cytometry.
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