Sepsis is a systemic inflammatory response to infection, and its occurrence is associated with a poor prognosis in the context of multiorgan dysfunction syndrome (MODS). Although there are several animal models for the study of its etiology, the cecal ligation and puncture (CLP) model has been considered the "Gold standard" because it shows a high degree of similarity to the progression of human sepsis. Currently, it is one of the most frequently chosen options to search for therapeutic alternatives to diminish the progression and organ damage induced by sepsis. Here, we describe in depth the CLP technique in a rat model and its application in the study of acute renal failure (ARF), the most severe complication during sepsis.
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http://dx.doi.org/10.1016/bs.mcb.2024.05.004 | DOI Listing |
Biol Sex Differ
January 2025
Department of Psychology, Memorial University of Newfoundland and Labrador, St. John's NL, Canada.
As the earliest measure of social communication in rodents, ultrasonic vocalizations (USVs) in response to maternal separation are critical in preclinical research on neurodevelopmental disorders (NDDs). While sex differences in both USV production and behavioral outcomes are reported, many studies overlook sex as a biological variable in preclinical NDD models. We aimed to evaluate sex differences in USV call parameters and determine if USVs are differently impacted based on sex in the preclinical maternal immune activation (MIA) model.
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January 2025
Laboratory of Pharmacology, Department of Pharmacy, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba, Japan.
Recently, exposure to sounds with ultrasound (US) components has been shown to modulate brain activity. However, the effects of US on emotional states remain poorly understood. We previously demonstrated that the olfactory bulbectomized (OBX) rat depression model is suitable for examining the effects of audible sounds on emotionality.
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January 2025
Department of Clinical Biochemistry, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran.
This study is designed to assess the effect of root extract of P. ginseng on kidney tissue injury attributed to cisplatin and its molecular mechanism involved in this process in the AKI rat model. Twenty-four male Wistar rats were randomly allocated into 4 experimental groups including: the control group, the cisplatin group, the extract 100 mg/kg group, and the extract 200 mg/kg group.
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January 2025
Neuroscience and Ophthalmology, Department of Inflammation and Ageing, School of Infection, Inflammation and Immunology, College of Medicine and Health, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Spinal cord injury (SCI) is a significant cause of lifelong disability, with no available disease-modifying treatments to promote neuroprotection and axon regeneration after injury. Photobiomodulation (PBM) is a promising therapy which has proven effective at restoring lost function after SCI in pre-clinical models. However, the precise mechanism of action is yet to be determined.
View Article and Find Full Text PDFNat Commun
January 2025
Sorbonne Université, CNRS, Laboratory of Computational and Quantitative Biology, LCQB, Paris, France.
Telomere shortening ultimately causes replicative senescence. However, identifying the mechanisms driving replicative senescence in cell populations is challenging due to the heterogeneity of telomere lengths and the asynchrony of senescence onset. Here, we present a mathematical model of telomere shortening and replicative senescence in Saccharomyces cerevisiae which is quantitatively calibrated and validated using data of telomerase-deficient single cells.
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