98%
921
2 minutes
20
The adult mammalian heart harbors minute levels of cycling cardiomyocytes (CMs). Large numbers of images are needed to accurately quantify cycling events using microscopy-based methods. CardioCount is a new deep learning-based pipeline to rigorously score nuclei in microscopic images. When applied to a repository of 368,434 human microscopic images, we found evidence of coupled growth between CMs and cardiac endothelial cells in the adult human heart. Additionally, we found that vascular rarefaction and CM hypertrophy are interrelated in end-stage heart failure. CardioCount is available for use via GitHub and via Google Colab for users with minimal machine learning experience.
Download full-text PDF |
Source |
---|---|
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11228115 | PMC |
http://dx.doi.org/10.1016/j.jacbts.2024.02.007 | DOI Listing |
JMIR Aging
September 2025
Department of Geriatrics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Background: Sarcopenia is associated with cardiovascular diseases (CVDs). However, whether changes in sarcopenia status affect CVD risk remains unclear. In addition, how indoor fuel use impacts the sarcopenia transition process is less well studied.
View Article and Find Full Text PDFCirculation
September 2025
Cardiology Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, Italy (M.P.M).
Cardiac adipose tissue is normally present in the epicardium, but a variable amount can also be present in the myocardium, particularly in the subepicardial regions of the right ventricular anterolateral and apical regions. Pathological adipose tissue changes may occur in both ischemic (previous myocardial infarction) and nonischemic (previous myocarditis, arrhythmogenic cardiomyopathy, lipomatous hypertrophy of the interatrial septum, cardiac lipomas and liposarcomas) conditions, with or without extensive replacement-type myocardial fibrosis. Cardiac magnetic resonance is the gold standard imaging technique to characterize myocardial tissue changes and to distinguish between physiological and pathological cardiac fat deposits.
View Article and Find Full Text PDFPLoS One
September 2025
Department of Cardiology Ullevaal, Oslo University Hospital, Oslo, Norway.
Background: The gut microbiota produces numerous metabolites that can enter the circulation and exert effects outside the gut. Several studies have reported altered gut microbiota composition and circulating metabolites in patients with chronic heart failure (HF) compared to healthy controls. Limited data is available on the interplay between dysbiotic features of the gut microbiota and altered circulating metabolites in HF patients.
View Article and Find Full Text PDFJ Vis Exp
August 2025
Physiology Unit, Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases.
Resistance arteries, which include small arteries and arterioles, play essential roles in regulating blood pressure and tissue perfusion. Dysfunction in these arteries can lead to various cardiovascular conditions such as hypertension, atherosclerosis, and heart failure, as well as neurovascular conditions. The examination of human resistance arteries is crucial for understanding cardiovascular disease mechanisms and developing targeted therapeutic strategies.
View Article and Find Full Text PDFPLoS One
September 2025
Centre for Diagnostic, Therapeutic and Investigative Studies, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia.
Echocardiography is the primary imaging tool for evaluating cardiac structure and function in patients with primary hypertension. A significant limitation of the current literature is that most studies focus on older adults, leaving a significant gap in understanding the cardiac effects of primary hypertension in young adults. This scoping review protocol aims to assess conventional echocardiographic parameters, left ventricular geometric patterns, and advanced echocardiographic findings for the early detection of cardiac changes in young adults aged 18-39 with primary hypertension.
View Article and Find Full Text PDF