Since the end of the 20th century, it has been clear that atherosclerosis is an inflammatory disease. However, the main triggering mechanism of the inflammatory process in the vascular walls is still unclear. To date, many different hypotheses have been put forward to explain the causes of atherogenesis, and all of them are supported by strong evidence. Among the main causes of atherosclerosis, which underlies these hypotheses, the following can be mentioned: lipoprotein modification, oxidative transformation, shear stress, endothelial dysfunction, free radicals' action, homocysteinemia, diabetes mellitus, and decreased nitric oxide level. One of the latest hypotheses concerns the infectious nature of atherogenesis. The currently available data indicate that pathogen-associated molecular patterns from bacteria or viruses may be an etiological factor in atherosclerosis. This paper is devoted to the analysis of existing hypotheses for atherogenesis triggering, and special attention is paid to the contribution of bacterial and viral infections to the pathogenesis of atherosclerosis and cardiovascular disease.
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http://dx.doi.org/10.3390/cells12050707 | DOI Listing |
Alzheimers Dement
December 2024
Wake Forest University School of Medicine, Winston-Salem, NC, USA.
Background: Stiffening of the large elastic arteries is an emerging age-related risk factor for Alzheimer's disease (AD) and related dementia (ADRD). Arterial stiffness is associated with pathological changes underlying AD/ADRD, and total arterial stiffness (T-PWV) can be subdivided into two main mechanisms. Structural stiffening (S-PWV) is due to intrinsic remodeling of the artery wall, and load-dependent stiffening (LD-PWV) is due to increased blood pressure without intrinsic changes to the artery wall.
View Article and Find Full Text PDFAlzheimers Dement
January 2025
Department of Neurology, University of California, Irvine, California, USA.
Introduction: Cerebrovascular pathologic changes (CVPC) are prevalent and associated with dementia in those ≥ 90 years. However, CVPC associations to traditional risk factors (hypertension, diabetes, and hyperlipidemia) are variable. We hypothesized that neither traditional risk factors nor related medications would be associated with CVPC presence.
View Article and Find Full Text PDFPharmaceuticals (Basel)
December 2024
Core Labs, King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia.
Herbal medicine, particularly in developing regions, remains highly popular due to its cost-effectiveness, accessibility, and minimal risk of adverse effects. L., commonly known as turmeric, exemplifies such herbal remedies with its extensive history of culinary and medicinal applications across Asia for thousands of years.
View Article and Find Full Text PDFEpitranscriptomic modifications on RNA play critical roles in stability, processing, and function, partly by influencing interactions with RNA-binding proteins and receptors. The role of post-transcriptional RNA modifications on cell-free non-coding small RNA (sRNA) remains poorly understood in disease contexts. High-density lipoproteins (HDL), which transport sRNAs, can lose their beneficial properties in atherosclerosis cardiovascular disease (ASCVD).
View Article and Find Full Text PDFEnviron Pollut
January 2025
SKL-ESPC & SEPKL-AERM, College of Environmental Sciences and Engineering, and Center for Environment and Health, Peking University, Beijing, China. Electronic address:
The biological pathways connecting ambient fine particulate matter (PM)-induced initial adverse effects to the development of atherosclerotic cardiovascular diseases are not fully understood. We hypothesize that lysoglycerophospholipids (LysoGPLs) are pivotal mediators of atherosclerosis induced by exposure to PM. This study investigated the changes of LysoGPLs in response to PM exposure and the mediation role of LysoGPLs in the pro-atherosclerotic effects of PM exposure.
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