Background: For over a century, the dog model has been used widely in research studying cardiovascular physiology pertinent to humans. It has been specially applied, over the past 2 decades, in research on the pathophysiology and treatment of left ventricular (LV) remodeling and heart failure.
Methods And Results: Because progressive LV remodeling and the march to heart failure are major problems facing myocardial infarction (MI) survivors, the dog model of acute MI was modified for the study of LV structural remodeling and dysfunction during post-MI healing (especially anterior MI). The dog model of post-MI LV remodeling, as the other models, has contributed to our understanding of the pathophysiology of LV remodeling and underlying mechanisms, and to the development of improved therapeutic strategies. Recent increase in costs and public concern over their use in research should be considered when using this model.
Conclusions: This is an important model for studying strategies to prevent severe LV remodeling in humans.
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http://dx.doi.org/10.1054/jcaf.2002.129274 | DOI Listing |
Pharmaceutics
December 2024
Department of Pharmacy, College of Pharmacy, Ajou University, Suwon 16499, Republic of Korea.
Background/objectives: Aronia extract or its active compounds, especially anthocyanin, have shown potential for Alzheimer's disease (AD)-related pathologies, including neuroinflammation, fibrillogenesis of amyloid beta (Aβ), and cognitive impairment. However, there was still concern about their structural instability in vivo and in vitro. To solve the instability of anthocyanins, we combined aronia bioactive factions (ABFs) and alginic acid via electrostatic molecular interactions and created an ABF-alginic acid nanocomplex (AANCP).
View Article and Find Full Text PDFAnimals (Basel)
January 2025
Guide Dogs for the Blind, San Rafael, CA 94903, USA.
Using genetic selection, Guide Dogs for the Blind (GDB) has reduced the incidence rate of canine hip dysplasia (CHD). However, given that CHD is polygenic and multifactorial, environmental factors may impact the expression of this developmental condition. The objective of this original, correlational research was to investigate the relationship between the substrate in the whelping pool used from birth to 3 weeks of age and CHD diagnosis.
View Article and Find Full Text PDFAnimals (Basel)
January 2025
Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, 165 21 Praha, Czech Republic.
Hunting dogs are exposed to the risk of injury in driven hunts, an often-used method for managing growing wild boar numbers. This study investigated the impact of increased hunting pressure-both across the hunting season and within individual hunting events-on the risk of wild boar attacks on hunting dogs, i.e.
View Article and Find Full Text PDFPLoS One
January 2025
Faculty of Veterinary Medicine, Department of Equine and Small Animal Medicine, University of Helsinki, Helsinki, Finland.
Sport-related injuries have been reported to occur in around one-third of agility dogs. Higher bar height in competitions has been shown to increase odds of an injury. This study evaluated the effect of bar height on the kinetics and kinematics at take-off to a bar jump.
View Article and Find Full Text PDFAging Cell
January 2025
EPITERNA, Epalinges, Switzerland.
In this study, we investigated age-related changes in clinical laboratory data and their association with mortality in dogs from the Golden Retriever Lifetime Study. By analyzing complete blood count (CBC) and biochemistry data from 2'412 Golden Retrievers over 16,678 visits, we observed significant changes during the first 2 years of life and throughout aging. Based on these observations, we developed a biological aging clock using a LASSO model to predict age based on blood markers, achieving an accuracy of R = 0.
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