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Optimized human dedifferentiated fat cells from the buccal fat pad-derived osteoinductive extracellular vesicles promote osteoblast differentiation.
J Dent Sci
January 2025
Second Department of Oral and Maxillofacial Surgery, Osaka Dental University, Osaka, Japan.
Background/purpose: Bone reconstruction in the maxillofacial region typically relies on autologous bone grafting, which presents challenges, including donor site complications and graft limitations. Recent advances in tissue engineering have identified highly pure and proliferative dedifferentiated fat cells (DFATs) as promising alternatives. Herein, we explored the capacity for osteoblast differentiation and the osteoinductive characteristics of extracellular vesicles derived from DFATs (DFAT-EVs).
View Article and Find Full Text PDF[Knockdown of promotes osteogenic differentiation of human bone marrow mesenchymal stem cells].
Beijing Da Xue Xue Bao Yi Xue Ban
February 2025
Second Clinical Division, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digi-tal Medical Devices & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.
Objective: To initially investigate the function of neuronal pentraxin 1 () gene on osteogenic differentiation of human bone marrow mesenchymal stem cells (hBMSCs).
Methods: hBMSCs were induced to undergo osteogenic differentiation, and then RNA was collected at different time points, namely 0, 3, 7, 10 and 14 d. The mRNA expression levels of key genes related with osteogenic differentiation, including runt-related transcription factor 2 (), alkaline phosphatase (), osteocalcin (), and , were detected on the basis of quantitative real-time polymerase chain reaction (qPCR) technology.
Optimized protocol for single-cell isolation and alkaline comet assay to detect DNA damage in cells of Drosophila wing imaginal discs.
STAR Protoc
January 2025
Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, 38123 Trento, TN, Italy; Department of Medicine, NYU Langone Medical Center, New York, NY 10016, USA. Electronic address:
Reduced expression of nucleolar genes induces stress and DNA damage. Here, we present a protocol to analyze DNA fragmentation at the single-cell level in Drosophila imaginal discs using an optimized alkaline comet assay. We describe steps for larvae development, tissue disaggregation, and single-cell dissociation.
View Article and Find Full Text PDFCalcium hydroxide nanoparticles induce cell death, genomic instability, oxidative stress and apoptotic gene dysregulation on human HepG2 cells.
Sci Rep
January 2025
Faculty of Biotechnology, October University for Modern Sciences and Arts, 6th of October, Egypt.
Calcium hydroxide nanoparticles (Ca(OH)NPs) possess potent antimicrobial activities and unique physical and chemical properties, making them valuable across various fields. However, limited information exists regarding their effects on genomic DNA integrity and their potential to induce apoptosis in normal and cancerous human cell lines. This study thus aimed to evaluate the impact of Ca(OH)NPs on cell viability, genomic DNA integrity, and oxidative stress induction in human normal skin fibroblasts (HSF) and cancerous hepatic (HepG2) cells.
View Article and Find Full Text PDFBioactive glass 45S5 promotes odontogenic differentiation of apical papilla cells through autophagy.
Hua Xi Kou Qiang Yi Xue Za Zhi
February 2025
Dept. of Cariology and Endodontics, Binzhou Medical University Hospital, Binzhou 256600, China.
Objectives: The mechanism of the odontogenic differentiation of apical papillary cells (APCs) stimulated by bioactive glass 45S5 is still unclear. This study aims to investigate the effect of autophagy on the odontogenic differentiation of APCs stimulated by bioactive glass 45S5.
Methods: APCs were isolated and cultured , and the cell origin was identified by flow cytometry.
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