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Long-term mitochondrial and metabolic impairment in lymphocytes of subjects who recovered after severe COVID-19.
Cell Biol Toxicol
January 2025
Lab. Genetics and Molecular Bases of Complex Diseases, Health Research Institute of Hospital Clínico San Carlos (IdISSC), 28040, Madrid, Spain.
The underlying mechanisms explaining the differential course of SARS-CoV-2 infection and the potential clinical consequences after COVID-19 resolution have not been fully elucidated. As a dysregulated mitochondrial activity could impair the immune response, we explored long-lasting changes in mitochondrial functionality, circulating cytokine levels, and metabolomic profiles of infected individuals after symptoms resolution, to evaluate whether a complete recovery could be achieved. Results of this pilot study evidenced that different parameters of aerobic respiration in lymphocytes of individuals recuperated from a severe course lagged behind those shown upon mild COVID-19 recovery, in basal conditions and after simulated reinfection, and they also showed altered glycolytic capacity.
View Article and Find Full Text PDFHigh-Sensitive Cardiac Troponin I and Th1/Th2 Polarization in Queens With Pyometra.
Vet Med Sci
January 2025
Faculty of Veterinary Medicine, Department of Obstetrics and Gynecology, Firat University, Elazig, Turkey.
Objectives: To determine T helper (Th)1 and Th2 cytokine polarization, as well as high-sensitive cardiac troponin I (hs-cTnI) levels, in cats with pyometra.
Methods: We used 40 queens in the study. A total of 20 out of these 40 queens were diagnosed with the pyometra group (PYO) and the other 20 made up the healthy group (control; CTR).
The Relationship of Th/Th Cytokine Polarization at Parturition in Cows and SOCS3 Level With Some Postpartum Diseases.
Vet Med Sci
January 2025
Department of Obstetrics and Gynecology, Faculty of Veterinary Medicine, Fırat University, Elazığ, Turkey.
Th/Th polarisation and suppressor of cytokine signalling-3 (SOCS3) are important indicators of the humoral and cellular immune system activity in cows. The aim of this study was to determine the correlation of postpartum diseases with the levels of Th/Th polarisation and SOCS3 at the time of parturition. The study examined 180 cows (90 with normal parturition [NP] and 90 with dystocia [D]).
View Article and Find Full Text PDFCirculating T Cell Subsets in Type 1 Diabetes.
Cells
January 2025
Unidad de Investigación Médica en Inmunología, de la UMAE Hospital de Pediatría, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City 06720, Mexico.
Type 1 diabetes (T1D) is a complex disease driven by the immune system attacking the insulin-producing beta cells in the pancreas. Understanding the role of different T cell subpopulations in the development and progression of T1D is crucial. By employing flow cytometry to compare the characteristics of T cells, we can pinpoint potential indicators of treatment response or therapeutic inefficacy.
View Article and Find Full Text PDFMesenchymal Stem/Stromal Cells Reverse Adipose Tissue Inflammation in Pigs with Metabolic Syndrome and Renovascular Hypertension.
Cells
January 2025
Division of Nephrology & Hypertension, Mayo Clinic, 200 1st Street SW, Rochester, MN 55905, USA.
Metabolic syndrome (MetS) is associated with low-grade inflammation, which can be exacerbated by renal artery stenosis (RAS) and renovascular hypertension, potentially worsening outcomes through pro-inflammatory cytokines. This study investigated whether mesenchymal stem/stromal cells (MSCs) could reduce fat inflammation in pigs with MetS and RAS. Twenty-four pigs were divided into Lean (control), MetS, MetS + RAS, and MetS + RAS + MSCs.
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