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Estimation of Central Aortic Pressure Waveforms by Combination of a Meta-Learning Neural Network and a Physics-Driven Method.
Int J Numer Method Biomed Eng
January 2025
College of Chemistry and Life Science, Beijing University of Technology, Beijing, China.
The accurate non-invasive detection and estimation of central aortic pressure waveforms (CAPW) are crucial for reliable treatments of cardiovascular system diseases. But the accuracy and practicality of current estimation methods need to be improved. Our study combines a meta-learning neural network and a physics-driven method to accurately estimate CAPW based on personalized physiological indicators.
View Article and Find Full Text PDFLeptin, NK cells, and the weight of immunity: Insights into obesity.
Int Immunopharmacol
January 2025
Immunology Laboratory of Infectious Diseases, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil. Electronic address:
Obesity is a chronic inflammatory disease that affects more than 1 billion people worldwide and is associated with various metabolic and physiological dysfunctions, directly impacting the dynamics of the immune response, partly due to elevated leptin levels. Leptin is an important peptide hormone that regulates neuroendocrine function and energy homeostasis, with its blood levels reflecting energy reserves, fat mass, or energy deprivation. This hormone also plays a fundamental role in regulating immune function, including the activity of NK cells, which are essential components in antiviral and antitumor activity.
View Article and Find Full Text PDFIdentification of the CaCRT gene family and function of CaCRT1 under low-temperature stress in pepper (Capsicum annuum L.).
Sci Rep
January 2025
College of Horticulture and Forestry, Tarim University, Alar, 843300, China.
To explore CRT gene family members and their responses to low-temperature stress, bioinformatics methods were used to identify the CRT gene family in pepper. In this study, a total of 4 CRT gene family members were identified by screening. The genes were found to be located on different chromosomes, and phylogenetic tree and collinearity analyses were performed.
View Article and Find Full Text PDFOvarian function measures in normogonadotropic anovulation and subclinical thyroid dysfunction: a prospective cohort study.
Endocrine
January 2025
Jagiellonian University Medical College, Faculty of Medicine, Chair of Gynecology and Obstetrics, Kopernika 23, 31-501, Krakow, Poland.
Purpose: To compare ovarian function measures in euthyroid women with normogonadotropic anovulation in subclinical hypothyroidism (SCH) or thyroid autoimmunity (TAI) to those without thyroid dysfunction.
Design: A prospective open-label cohort study analyzed anti-Müllerian hormone (AMH), follicle-stimulating hormone (FSH), luteinizing hormone, estradiol and testosterone concentrations, ovarian volume, and polycystic ovarian morphology (PCOM) incidence between women with and without SCH or TAI in two study arms: polycystic ovary syndrome (PCOS) and hypothalamic-pituitary-ovarian dysfunction (HPOD).
Results: The prevalence of circulating thyroid peroxidase antibodies (TPOAb) was higher in the PCOS compared to the HPOD arm (p = 0.
Can Grading of Mild Cardiac Allograft Vasculopathy be Further Refined? An angiographic and physiologic assessment of heart transplant recipients with ISHLT CAV 1.
J Heart Lung Transplant
December 2024
Seymour, Paul, and Gloria Milstein Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center/NewYork-Presbyterian Hospital, New York, NY.
Background: Cardiac allograft vasculopathy (CAV) results in impaired blood flow in both epicardial vessels and the microvasculature and is a leading cause of poor outcomes in heart transplant (HT) recipients. Most patients have mild (ISHLT CAV 1) disease. This study examined outcomes amongst those with ISHLT CAV 1 and investigated the value of physiologic assessment via cardiac positron emission tomography/computed tomography (PET/CT) for added risk stratification.
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