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Anti-inflammatory effects of palm11-PrRP31 in a rat model of lipopolysaccharide-induced acute inflammation.
J Mol Endocrinol
January 2025
L Maletinska, Biochemistry, Czech Academy of Sciences, Praha, Czech Republic.
Lipopolysaccharides (LPS) are major components of Gram-negative bacteria. LPS not only induce endotoxemia and inflammation, but also contribute to various diseases. In experimental settings, LPS administration serves as a model for acute inflammatory responses.
View Article and Find Full Text PDFChanges in microcirculation variables in an acute endotoxaemic equine model.
Equine Vet J
January 2025
Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany.
Background: Microcirculation is the essential link between macrocirculation and cellular metabolism.
Objectives: To test our hypotheses that microcirculation variables will show a heterogeneous flow pattern during experimental endotoxaemia, and that fluid therapy and noradrenaline (NA) infusion will normalise altered microcirculation variables.
Study Design: In vivo experiments.
While key for pathogen immobilization, neutrophil extracellular traps (NETs) often cause severe bystander cell/tissue damage. This was hypothesized to depend on their prolonged presence in the vasculature, leading to cytotoxicity. Imaging of NETs (histones, neutrophil elastase, extracellular DNA) with intravital microscopy in blood vessels of mouse livers in a pathogen-replicative-free environment (endotoxemia) led to detection of NET proteins attached to the endothelium for months despite the early disappearance of extracellular DNA.
View Article and Find Full Text PDFEffect of experimentally induced endotoxaemia and meloxicam administration on the haemostatic system in donkeys.
Equine Vet J
January 2025
Department of Animal Medicine and Surgery, University of Cordoba, Cordoba, Spain.
Background: Endotoxaemia is a common condition in equids, frequently accompanied by alterations in haemostasis. Non-steroidal anti-inflammatory drugs, such as meloxicam, have been proven to alleviate some signs of endotoxaemia in donkeys. Neither the haemostatic response to induced endotoxaemia nor the effect of meloxicam in this regard have been described in donkeys.
View Article and Find Full Text PDFProtective Effect of Rosmarinic Acid on Endotoxin-Induced Neuronal Damage Through Modulating GRP78/PERK/MANF Pathway.
Drug Des Devel Ther
January 2025
Department of Pharmacology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China.
Objective: Neuronal damage is criminal to cognitive dysfunction, closely related to endoplasmic reticulum stress (ERS). However, due to the pathogenesis of endotoxin-induced long-term cognitive dysfunction is not fully clarified, there is still a lack of effective treatment. This study was conducted to explore the protective effects and mechanism of rosmarinic acid (RA) against ERS in endotoxin-induced cognitive dysfunction in mice and neuronal injury in cells.
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