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Globally, there are 15 million stroke patients each year who have significant neurological deficits. Today, there are no treatments that directly address these deficits. With demographics shifting to an older population, the problem is worsening.
View Article and Find Full Text PDFPosterior Limbal Mesenchymal Stromal Cells Promote Proliferation and Stemness of Transition Zone Cells: A Novel Insight Into Corneal Endothelial Rejuvenation.
Invest Ophthalmol Vis Sci
January 2025
Department of Ophthalmology, New Zealand National Eye Centre, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand.
Purpose: Progenitors for the corneal endothelium have been identified in the transition zone (TZ), but their cellular interactions remain undefined. Posterior limbal mesenchymal stromal cells (P-LMSCs) may support TZ cells in the posterior limbus. This study aims to characterize P-LMSCs and investigate their effects on TZ cells.
View Article and Find Full Text PDFLongitudinal single-cell profiles of lung regeneration after viral infection reveal persistent injury-associated cell states.
Cell Stem Cell
January 2025
Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA 19104, USA; Penn-Children's Hospital of Philadelphia Lung Biology Institute, University of Pennsylvania, Philadelphia, PA 19104, USA; Penn Cardiovascular Institute, University of Pennsylvania, Philadelphia, PA 19104, USA. Electronic address:
Functional regeneration of the lung's gas exchange surface following injury requires the coordination of a complex series of cell behaviors within the alveolar niche. Using single-cell transcriptomics combined with lineage tracing of proliferating progenitors, we examined mouse lung regeneration after influenza injury, demonstrating an asynchronously phased response across different cellular compartments. This longitudinal atlas of injury responses has produced a catalog of transient and persistent transcriptional alterations in cells as they transit across axes of differentiation.
View Article and Find Full Text PDFComment on: Caffeine improves systemic lupus erythematosus endothelial dysfunction by promoting endothelial progenitor cells survival: Reply.
Rheumatology (Oxford)
January 2025
Lupus Clinic, Rheumatology, Department of Clinical, Internal, Anesthesiologic and Cardiovascular, Sciences, Sapienza University of Rome, Rome, Italy.
Endothelial dysfunction in acute ischemic stroke: a review.
J Neurol
January 2025
Department of Neurology, Heidelberg University Hospital, Heidelberg, Germany.
Background And Purpose: Endothelial dysfunction is considered an emerging therapeutic target to prevent complications during acute stroke and to prevent recurrent stroke. This review aims to provide an overview of the current knowledge on endothelial dysfunction, outline the diagnostic methods used to measure it and highlight the drugs currently being investigated for the treatment of endothelial dysfunction in acute ischemic stroke.
Methods: The PubMed® and ClinicalTrials.
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