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Novel triangle papilla access approach for interdental bone defect regeneration: A case study.
Clin Adv Periodontics
January 2025
Department of Dentistry and Oral Surgery, Keio University School of Medicine, Tokyo, Japan.
Background: Successful periodontal regeneration depends on primary wound closure and interdental papilla preservation. In this case study, we introduce a novel triangle papilla access approach (T-PAA) performed under a surgical microscope for treating interdental bone defects. In this novel approach, buccal incisions were used to access root surfaces and bone defects, avoiding interdental papilla incisions and preventing papillary collapse and necrosis.
View Article and Find Full Text PDFMesenchymal stromal cells-extracellular vesicles: protein corona as a camouflage mechanism?
Extracell Vesicles Circ Nucl Acids
November 2024
Laboratorio di Biotecnologie Applicate all'Ortopedia, IRCCS Ospedale Galeazzi - Sant'Ambrogio, Milano 20157, Italy.
Mesenchymal stromal cells (MSCs) showed promising potential for regenerative and therapeutic applications for several pathologies and conditions. Their potential is mainly ascribed to the factors and extracellular vesicles (EVs) they release, which are now envisioned as cell-free therapeutics in cutting-edge clinical studies. A main cornerstone is the preferential uptake by target cells and tissues, in contrast to clearance by phagocytic cells or removal from circulation before reaching the final destination.
View Article and Find Full Text PDFThe intricate development and functionality of the mammalian heart are influenced by the heterogeneous nature of cardiomyocytes (CMs). In this study, single-cell and spatial transcriptomics were utilized to analyze cells from neonatal mouse hearts, resulting in a comprehensive atlas delineating the transcriptional profiles of distinct CM subsets. A continuum of maturation states was elucidated, emphasizing a progressive developmental trajectory rather than discrete stages.
View Article and Find Full Text PDFReversal of inflammatory reprogramming by vasodilator agents in pulmonary hypertension.
ERJ Open Res
January 2025
Center for Pulmonary Vascular Biology and Medicine, Pittsburgh Heart, Lung and Blood Vascular Medicine Institute, Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and UPMC, Pittsburgh, PA, USA.
Background: Pulmonary arterial hypertension (PAH) is a deadly disease without effective non-invasive diagnostic and prognostic testing. It remains unclear whether vasodilators reverse inflammatory activation, a part of PAH pathogenesis. Single-cell profiling of inflammatory cells in blood could clarify these PAH mechanisms.
View Article and Find Full Text PDFCryogenic, but not hypothermic, preservation disrupts the extracellular matrix of cell sheets.
Bioact Mater
April 2025
3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Rua Ave 1, Edifício 1 (Sede), 4805-694 Barco, Guimarães, Portugal.
Cell sheet (CS)-based approaches hold significant potential for tissue regeneration, relying on the extracellular matrix (ECM) for success. Like in native tissues, the ECM provides structural and biochemical support for cellular homeostasis and function. Effective preservation strategies that maintain ECM integrity are critical to enhance the therapeutic potential of CS-based approaches.
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