Scientists astatine nan Centro Nacional de Investigaciones Cardiovasculares (CNIC) person shown that 18FDG-PET, an imaging method wide utilized to study different conditions, tin besides beryllium utilized to show atherosclerosis by measuring cellular metabolism wrong arterial plaques. The findings, published successful Science Translational Medicine, could amended nan objective guidance of this illness and accelerate nan improvement of caller treatments.
Atherosclerosis-the underlying origin of astir bosom attacks and strokes-is a silent illness that progresses complete galore years without symptoms. The illness is characterized by nan accumulation of fatty deposits, cells, and different materials successful nan walls of arteries, wherever they trim humor travel and tin yet rupture, triggering superior cardiovascular events. While treatments are disposable to slow illness progression, it is still difficult to find if a curen is moving successful individual patients.
18FDG-PET (fluorodeoxyglucose positron emanation tomography) is simply a atomic imaging method that uses a radioactively branded glucose analog to observe insubstantial metabolic activity.
The caller study demonstrates that nan 18FDG-PET awesome reflects nan metabolic activity of atherosclerotic plaques, alternatively than simply indicating inflammation, arsenic was antecedently believed.
To scope this conclusion, nan investigation squad developed an experimental exemplary of precocious atherosclerosis successful genetically modified animals and was capable to partially reverse illness progression utilizing a fare and drug-based involution akin to strategies utilized successful objective care.
As nan illness regressed, nan 18FDG-PET awesome declined successful parallel pinch nan reduced look of genes linked to glucose metabolism successful various plaque compartment types, including macrophages, lymphocytes, and soft musculus cells.
"The 18FDG-PET awesome reflects nan activity level of nan cells wrong atherosclerotic lesions and tin truthful service arsenic a delicate instrumentality for evaluating curen efficacy and illness progression risk," explains CNIC interrogator Paula Nogales, lead writer of nan study together pinch Jacob Bentzon, of Aarhus University (Denmark) and caput of nan Experimental Pathology of Atherosclerosis group astatine nan CNIC.
This find opens nan doorway to utilizing a wide disposable infirmary imaging method to amended objective monitoring of atherosclerosis and velocity nan improvement of caller therapies for this silent but perchance deadly disease.
The study received backing from nan European Research Council (ERC) nether nan European Union's Horizon 2020 investigation and invention programme; nan Spanish Ministry of Economy, Industry, and Competitiveness (MEIC), pinch co-funding from nan European Regional Development Fund (FEDER); nan Instituto de Salud Carlos III, pinch FEDER/EU co-funding; nan Madrid location government; and nan "la Caixa" Foundation (AtheroConvergence).
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Journal reference:
Nogales, P., et al. (2025) Atherosclerotic Disease Activity is Associated pinch Glycolytic Enzyme Expression Across Multiple Cell Types and is Trackable by FDG-PET. Science Translational Medicine. doi.org/10.1126/scitranslmed.ado6467.