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Mimicking Nature: Effect of Architectural Design Inspired by Cancellous Bone on the Biological Response of hMSC Cultured on Titanium Scaffolds Fabricated by Laser Beam Powder Bed Fusion.
J Biomed Mater Res A
January 2025
Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw, Poland.
Bone tissue regeneration can be affected by various architectonical features of 3D porous scaffold, for example, pore size and shape, strut size, curvature, or porosity. However, the design of additively manufactured structures studied so far was based on uniform geometrical figures and unit cell structures, which often do not resemble the natural architecture of cancellous bone. Therefore, the aim of this study was to investigate the effect of architectonical features of additively manufactured (aka 3D printed) titanium scaffolds designed based on microtomographic scans of fragments of human femurs of individuals of different ages on in vitro response of human bone-derived mesenchymal stem cells (hMSC).
View Article and Find Full Text PDFThe study on bone marrow mesenchymal stem cell-derived extracellular matrix promoting the repair of damaged chondrocytes by regulating the Notch1/RBPJ pathway.
Cytotechnology
February 2025
Department of Sports Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, 261 Datong Road, Yuexiu District, Guangzhou, 510105 Guangdong China.
Unlabelled: Cartilage and joint damage can lead to cartilage degeneration. Bone marrow mesenchymal stem cells (BMSCs) have the potential to address cartilage damage. Hence, this study probed the mechanism of BMSC-extracellular matrix (BMSC-ECM) in promoting damaged chondrocyte repair by regulating the Notch1/RBPJ pathway.
View Article and Find Full Text PDFMesenchymal stem cell therapy as a game-changer in liver diseases: review of current clinical trials.
Stem Cell Res Ther
January 2025
School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Taipei Medical University, 10F., Teaching & Research Building, Shuang-Ho Campus, No. 301, Yuantong Rd., Zhonghe Dist., Taipei, 235, Taiwan.
Chronic liver diseases, including cirrhosis and liver failure, remain formidable challenges due to their complex progression and limited therapeutic options. Mesenchymal stem cell (MSC) therapy has emerged as a game-changing approach, leveraging its potent immunomodulatory, anti-fibrotic, and regenerative capabilities, along with the ability to transdifferentiate into hepatocytes. This review delves into the latest advances in MSC-based treatments for chronic and end-stage liver diseases, as highlighted in current clinical trials.
View Article and Find Full Text PDFLithium-doped calcium silicate cement regulates the immune microenvironment and promotes M2 macrophage polarization for enhancing bone regeneration.
J Biol Eng
January 2025
Department of Biomedical Engineering, China Medical University, Taichung, 406040, Taiwan.
Bone defects present a significant challenge in orthopedics and trauma surgery, necessitating innovative approaches to stimulate effective bone regeneration. This study investigated the potential of lithium-doped calcium silicate (LiCS) cement to enhance bone regeneration and modulate the immune microenvironment to promote tissue repair. We synthesized a LiCS ceramic powder and performed comprehensive analyses of its physicochemical properties, including phase composition, morphology, setting time, and mechanical strength.
View Article and Find Full Text PDFWe studied the effect of reprogrammed CD8 T cells (rT cells) from the bone marrow of intact mice on tumor cells and neovasculogenesis in mice with orthotopic Lewis lung carcinoma (LLC). Reprogramming of T cells was carried out using a MEK inhibitor and a PD-1 blocker; the targeting of rT cells to tumor cells was achieved by preincubation with LLC cell lysate. It was shown that the antitumor effect of rT cells was based on apoptosis of tumor cells.
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