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Conformational Dynamics of Mitochondrial Inorganic Pyrophosphatase hPPA2 and Its Changes Caused by Pathogenic Mutations.
Life (Basel)
January 2025
Chemistry Department, Lomonosov Moscow State University, 119991 Moscow, Russia.
Inorganic pyrophosphatases, or PPases, are ubiquitous enzymes whose activity is necessary for a large number of biosynthetic reactions. The catalytic function of PPases is dependent on certain conformational changes that have been previously characterized based on the comparison of the crystal structures of various complexes. The current work describes the conformational dynamics of a structural model of human mitochondrial pyrophosphatase hPPA2 using molecular dynamics simulation, all-atom principal component analysis, and coarse-grained normal mode analysis.
View Article and Find Full Text PDFPARP12-mediated ADP-ribosylation contributes to breast cancer cell fate by regulating AKT activation and DNA-damage response.
Cell Mol Life Sci
January 2025
Institute of Endotypes in Oncology, Metabolism, and Immunology, National Research Council, Via Pietro Castellino 111, Naples, Italy.
Breast cancer represents the primary cause of death of women under 65 in developed countries, due to the acquisition of multiple drug resistance mechanisms. The PI3K/AKT pathway is one of the major regulating mechanisms altered during the development of endocrine resistance and inhibition of steps in this signalling pathway are adopted as a key strategy to overcome this issue. ADP-ribosylation is a post-translational modification catalysed by PARP enzymes that regulates essential cellular processes, often altered in diseases.
View Article and Find Full Text PDFA Randomised, Single Blind, Controlled Trial Comparing Flush Endovenous Laser Ablation with Standard Endovenous Laser Ablation of the Great Saphenous Vein.
Eur J Vasc Endovasc Surg
January 2025
Department of Phlebology, Skin and Vein Clinic Oosterwal, Alkmaar, the Netherlands.
Objective: The aim of this study was to compare anterior accessory saphenous vein (AASV) reflux after standard endovenous laser ablation (EVLA) vs. flush EVLA (fEVLA) of the great saphenous vein (GSV).
Methods: This was as randomised, single blind, controlled trial (Dutch Trial Register, NL5283).
The Role of Preoperative Inflammatory Markers in Cervical Cerclage Success.
J Coll Physicians Surg Pak
January 2025
Department of Obstetrics and Gynaecology, Health Sciences University, Bursa Yuksek Ihtisas Training and Research Hospital,
Bursa, Turkiye.
Objective: To compare the inflammatory markers between therapeutic and emergency cerclage and assess the predictive role of inflammatory markers for the latency period.
Study Design: Descriptive study. Place and Duration of the Study: Department of Obstetrics and Gynaecology, Bursa Yuksek Ihtisas Training and Research Hospital, Turkiye, from January 2016 to September 2022.
The effect of power-based control on the haemodynamics and valve function of the biventricular assist circulation system.
Int J Artif Organs
January 2025
School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, China.
Biventricular assist devices (BiVAD) are capable of providing mechanical support to the left and right ventricles to improve blood supply in heart failure, thereby maintaining patients' lives and improving their quality of life. But there is evidence that the incidence of aortic valve incompetence and other valvular pathologies is related to BiVAD support. Such as constant speed (CS) control may cause the valve to close completely and lose its normal valve function.
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