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Steatohepatitis-induced vascular niche alterations promote melanoma metastasis.
Cancer Metab
January 2025
Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, Mannheim, 68167, Germany.
Background: In malignant melanoma, liver metastases significantly reduce survival, even despite highly effective new therapies. Given the increase in metabolic liver diseases such as metabolic dysfunction-associated steatotic liver disease (MASLD) and metabolic dysfunction-associated steatohepatitis (MASH), this study investigated the impact of liver sinusoidal endothelial cell (LSEC)-specific alterations in MASLD/MASH on hepatic melanoma metastasis.
Methods: Mice were fed a choline-deficient L-amino acid-defined (CDAA) diet for ten weeks to induce MASH-associated liver fibrosis, or a CDAA diet or a high fat diet (HFD) for shorter periods of time to induce early steatosis-associated alterations.
[Interplay between depression and sexuality].
Nervenarzt
January 2025
Klinik für Psychiatrie und Psychotherapie, Asklepios Fachklinikum Tiefenbrunn, Deutschland37124, Rosdorf, Deutschland.
Background: Disorders of sexual function are a frequent comorbidity of depression and have complex interactions on psychological, sexual and relationship qualities.
Objective: To determine the prevalence of sexual functional disorders in depressed patients, the effects of antidepressant drugs and development of treatment recommendations.
Material And Method: Evaluation of the current literature and discussion of fundamental studies.
Design and Implementation of universal converter using ANN controller.
Sci Rep
January 2025
School of ECE, Adama Science and Technology University, Adama, Ethiopia.
This paper details the hardware implementation of a Universal Converter controlled by an Artificial Neural Network (ANN), utilizing key components such as six Insulated Gate Bipolar Transistors (IGBTs), two inductors, and two capacitors for energy storage and voltage smoothing. A Digital Signal Processor (DSP) serves as the core controller, processing real-time input and feedback signals, including voltage and current measurements, to dynamically manage five operational modes: rectifier buck, inverter boost, DC-DC buck, DC-DC boost, and AC voltage control. The pre-trained ANN algorithm generates pulse-width modulation (PWM) signals to control the switching of the IGBTs, optimizing timing and duty cycles for efficient operation.
View Article and Find Full Text PDFEnthalpy driven temperature-sensitive conformational changes in a metamorphic protein involved in the cyanobacterial circadian clock.
Int J Biol Macromol
January 2025
Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China; Shandong Energy Institute, Qingdao 266101, China; Qingdao New Energy Shandong Laboratory, Qingdao 266101, China. Electronic address:
Metamorphic proteins switch reversibly between distinctly different folds often with different functions under physiological conditions. Here, the kinetics and thermodynamics of the fold-switching at different temperatures in a metamorphic protein, KaiB, involved in cyanobacterial circadian clock, reveal that enthalpy-driven the fold-switching to form fold-switched KaiB (fsKaiB) and the fsKaiB and ground-state KaiB (gsKaiB) are more dominantly at lower and higher temperatures, respectively. Thermodynamic analysis indicates that conformational and solvent entropy have opposing effects on KaiB's fold-switching.
View Article and Find Full Text PDFEvaluating the impact of minimum unit alcohol pricing on purchasing behaviour by different social class and age groups in Wales: A controlled interrupted time series study.
Public Health
January 2025
Department of Public Health, Policy and Systems, University of Liverpool, UK. Electronic address:
Objectives: Alcohol consumption and its associated harms pose a significant challenge to public health in the UK. To address this issue, Wales implemented a Minimum Unit Price policy (MUP) in February 2020, setting a minimum price of 50p per UK unit of alcohol (10 ml/8 g). In this study we evaluate the policy's impact on alcohol sales metrics to gauge its effectiveness in improving public health outcomes.
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