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http://dx.doi.org/10.1016/s0016-5107(90)70984-4 | DOI Listing |
Int J Mol Sci
December 2024
Department of Experimental Immunology, Medical University of Lublin, Chodźki 4a Street, 20-093 Lublin, Poland.
Pulmonary arterial hypertension (PAH) is a disease characterized by increased pulmonary vascular resistance and right heart failure, with emerging evidence suggesting a key role for immune dysregulation in its pathogenesis. This study aimed to assess the involvement of lymphocytes, particularly regulatory T cells (Tregs), and the expression of immune checkpoint molecules PD-1 and PD-L1 on peripheral blood subpopulations in patients diagnosed with PAH. The study involved 25 patients; peripheral blood mononuclear cells were isolated and subsequently analyzed using flow cytometry to quantify the Treg cell percentage and evaluate PD-1 and PD-L1 expression across the T and B cells.
View Article and Find Full Text PDFCells
December 2024
Laboratory of Immuno-Neuro Modulation (INEM), UMR7355 Centre National de la Recherche Scientifique (CNRS), University of Orleans, 45071 Orleans, France.
Idiopathic pulmonary fibrosis (IPF) is a chronic and lethal interstitial lung disease (ILD) of unknown origin, characterized by limited treatment efficacy and a fibroproliferative nature. It is marked by excessive extracellular matrix deposition in the pulmonary parenchyma, leading to progressive lung volume decline and impaired gas exchange. The chemokine system, a network of proteins involved in cellular communication with diverse biological functions, plays a crucial role in various respiratory diseases.
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December 2024
Department of Immunology, Nara Medical University, Kashihara 634-8521, Nara, Japan.
Idiopathic pulmonary fibrosis (IPF) is the most common type of fibrosis in lungs, characterized as a chronic and progressive interstitial lung disease involving pathological findings of fibrosis with a median survival of 3 years. Despite the knowledge accumulated regarding IPF from basic and clinical research, an effective medical therapy for the condition remains to be established. Thus, it is necessary for further research, including stem cell therapy, which will provide new insights into and expectations for IPF treatment.
View Article and Find Full Text PDFChildren (Basel)
November 2024
Section of Rheumatology, Department of Paediatrics, Alberta Children's Hospital, Cumming School of Medicine, University of Calgary, 28 Oki Drive NW, Calgary, AB T3B 6A8, Canada.
Juvenile idiopathic arthritis (JIA) is a chronic autoimmune condition in children that often requires long-term pain management, which can include opioid use. In the context of Canada's ongoing overdose crisis, youth with JIA face risks due to potential opioid dependency and exposure to toxic drug supplies. This commentary proposes an integrated approach combining chronic disease management with harm reduction strategies specifically tailored for JIA patients.
View Article and Find Full Text PDFBiomedicines
December 2024
Lung Biology Unit, Department of Experimental Medical Science, Lund University, 221 84 Lund, Sweden.
A novel patient group with chronic pulmonary fibrosis is emerging post COVID-19. To identify patients at risk of developing post-COVID-19 lung fibrosis, we here aimed to identify systemic proteins that overlap with fibrotic markers identified in patients with idiopathic pulmonary fibrosis (IPF) and may predict COVID-19-induced lung fibrosis. Ninety-two proteins were measured in plasma samples from hospitalized patients with moderate and severe COVID-19 in Sweden, before the introduction of the vaccination program, as well as from healthy individuals.
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