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Application of Strontium Chloride Hexahydrate to Synthesize Strontium-Substituted Carbonate Apatite as a pH-Sensitive, Biologically Safe, and Highly Efficient siRNA Nanocarrier.
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Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Subang Jaya, Selangor, Malaysia.
Naked siRNAs are sensitive to enzymatic degradation, phagocytic entrapment, quick renal excretion, membrane impermeability, endosomal escape, and off-target effects. Designing a safe and efficient nanocarrier for siRNA delivery to the target site without toxicity remains a significant hurdle in gene therapy. CA is a unique derivative of hydroxyapatite and a highly pH-sensitive nanocarrier with strong particle aggregation and a high polydispersity index.
View Article and Find Full Text PDFPhotoelectron Therapy Preventing the Formation of Bacterial Biofilm on Titanium Implants.
Small
December 2024
School of Chemical Engineering, Sichuan University, No 24th, South Section 1, Yihuan Road, Chengdu, Sichuan, 610065, China.
The exogenous bacterial infection and formation of biofilm on the surface of titanium implants can affect the adhesion, proliferation, and differentiation of cells associated with osteogenesis, ultimately leading to surgical failure. This study focuses on two critical stages for biofilm formation: i) bacterial adhesion and aggregation, ii) growth and proliferation. The titanium with well-organized titania nanotube arrays is first modified by nitrogen dopants, then loaded with CuFeSe nanoparticles to form a p-n heterojunction.
View Article and Find Full Text PDFThe polycomb protein complex interacts with GATA-6/PPARα to inhibit α-MHC expression.
Dev Growth Differ
December 2024
Department of Biochemistry & Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China.
Transcription factors collaborate with epigenetic regulatory factors to orchestrate cardiac differentiation for heart development, but the underlying mechanism is not fully understood. Here, we report that GATA-6 induces cardiac differentiation but peroxisome proliferator-activated receptor α (PPARα) reverses GATA-6-induced cardiac differentiation, possibly because GATA-6/PPARα recruits the polycomb protein complex containing EZH2/Ring1b/BMI1 to the promoter of the cardiac-specific α-myosin heavy chain (α-MHC) gene and suppresses α-MHC expression, which ultimately inhibits cardiac differentiation. Furthermore, Ring1b ubiquitylates PPARα and GATA-6.
View Article and Find Full Text PDFFibroblast Growth Factor 8 enhances the chondrogenesis of trunk neural crest cells: a possible gene regulatory network.
Int J Dev Biol
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Laboratory of Plasticity and Differentiation of Neural Crest Cells, Federal University of Santa Catarina, Florianopolis, Santa Catarina, Brazil.
The neural crest (NC) is an embryonic cell population with high migratory capacity. It contributes to forming several organs and tissues, such as the craniofacial skeleton and the peripheral nervous system of vertebrates. Both pre-migratory and post-migratory NC cells are plastic, adopting multiple differentiation paths by responding to different inductive environmental signals.
View Article and Find Full Text PDFVitamin D Therapy May Induce Lipoma Involution: A Multi-case Report.
Cureus
November 2024
Plastic Surgery, The University of Chicago Medicine, Chicago, USA.
Benign lipomas are a common medical problem that is not known to regress spontaneously. In addition, vitamin D (VD) is a known regulator of adipocyte proliferation and differentiation. Thus, the purpose of this multi-case study was to determine if optimizing serum 1,25(OH)D3 (VD3) concentrations to the 40-60 ng/mL range would catalyze regression of benign subcutaneous lipomas.
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