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Defective Slc7a7 transport reduces erythropoietin compromising erythropoiesis.
Mol Med
January 2025
Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain.
Background: Lysinuric protein intolerance is a rare autosomal disorder caused by mutations in the Slc7a7 gene that lead to impaired transport of neutral and basic amino acids. The gold standard treatment for lysinuric protein intolerance involves a low-protein diet and citrulline supplementation. While this approach partially improves cationic amino acid plasma levels and alleviates some symptoms, long-term treatment is suggested to be detrimental and may lead to life-threatening complications characterized by a wide range of hematological and immunological abnormalities.
View Article and Find Full Text PDFBone Tissue Engineering: From Biomaterials to Clinical Trials.
Adv Exp Med Biol
January 2025
Department of Stem Cells & Regenerative Medicine, Centre for Interdisciplinary Research, D Y Patil Education Society (Deemed to be University), Kolhapur, India.
Bone tissue engineering is a promising field that aims to rebuild the bone tissue using biomaterials, cells, and signaling molecules. Materials like natural and synthetic polymers, inorganic materials, and composite materials are used to create scaffolds that mimic the hierarchical microstructure of bone. Stem cells, particularly mesenchymal stem cells (MSCs), play a crucial role in bone tissue engineering by promoting tissue regeneration and modulating the immune response.
View Article and Find Full Text PDFIn situ osteogenic activation of mesenchymal stem cells by the blood clot biomimetic mechanical microenvironment.
Nat Commun
January 2025
Institute for Stem Cell & Regenerative Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, 710004, Xi'an, China.
Blood clots (BCs) play a crucial biomechanical role in promoting osteogenesis and regulating mesenchymal stem cell (MSC) function and fate. This study shows that BC formation enhances MSC osteogenesis by activating Itgb1/Fak-mediated focal adhesion and subsequent Runx2-mediated bone regeneration. Notably, BC viscoelasticity regulates this effect by modulating Runx2 nuclear translocation.
View Article and Find Full Text PDFGut Microbiota and Osteoarthritis: From Pathogenesis to Novel Therapeutic Opportunities.
Am J Chin Med
January 2025
First Clinical Medical College, Yunnan University of Chinese Medicine, Kunming Yunnan 650500, P. R. China.
Osteoarthritis (OA) is the most common chronic degenerative joint disease, characterized by cartilage damage, synovial inflammation, subchondral bone sclerosis, marginal bone loss, and osteophyte development. Clinical manifestations include inflammatory joint pain, swelling, osteophytes, and limitation of motion. The pathogenesis of osteoarthritis has not yet been fully uncovered.
View Article and Find Full Text PDFScreening and Preparation of Nanobodies for SIGLEC-15 Detection.
Protein Expr Purif
January 2025
Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China; National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital of Chinese Academy of Medical Sciences, Langfang Campus, Langfang, 065001, China. Electronic address:
As an important member of the Siglec family, SIGLEC-15 plays an important role in osteoclast differentiation, bone remodeling, and tumor immune evasion. In the tumor microenvironment, SIGLEC-15 functions independently of the B7-H1/PD-1 pathway. In this study, the SIGLEC-15 fusion protein (SIGLEC-15-Fc) was successfully expressed and purified using a eukaryotic expression system.
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