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Larger reductions in blood pressure during post-exercise standing, but not middle cerebral artery blood velocity, in resistance-trained versus untrained individuals.
Exp Physiol
December 2024
School of Health Sciences, Massey University, Wellington, New Zealand.
Dynamic resistance exercise (RE) produces sinusoidal fluctuations in blood pressure, with hypotension and cerebral hypoperfusion commonly observed immediately following RE. Whether the cerebral vasculature adapts to these regular blood pressure challenges is unclear. This study examined the cerebrovascular response to post-dynamic RE orthostasis.
View Article and Find Full Text PDFTherapeutic Effect of Mesenchymal Stem Cells and Olive Leaf Extract Against Cytotoxicity Induced by Streptozotocin in Gestational Diabetes Rats.
Cell Physiol Biochem
November 2024
Zoology Department, Faculty of Science, Al-Azhar University, Cairo 11884, Egypt.
Background/aims: Gestational Diabetes Mellitus (GDM), a prevalent complication in pregnancy, is characterized by the Diabetes Association as diabetes diagnosed in the second or third trimester, often remaining asymptomatic. This study investigates the intricate effects of Streptozotocin on pregnant rats, unraveling its impact on Gestational Type 2 Diabetes (GTD). The research delves into the potential therapeutic roles of mesenchymal stem cells (MSCs) and olive leaf extract (OLE) in mitigating the consequences of Streptozotocin-induced pancreatic impairment.
View Article and Find Full Text PDFClosing the loops: chromatin loop dynamics after DNA damage.
Nucleus
December 2025
Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
Chromatin is a dynamic polymer in constant motion. These motions are heterogeneous between cells and within individual cell nuclei and are profoundly altered in response to DNA damage. The shifts in chromatin motions following genomic insults depend on the temporal and physical scales considered.
View Article and Find Full Text PDFFirst-principles simulations of the fluorescence modulation of a COX-2-specific fluorogenic probe upon protein dimerization for cancer discrimination.
Protein Sci
January 2025
Departament de Química, Universitat Autònoma de Barcelona, Barcelona, Spain.
Cyclooxygenase-2 (COX-2) plays a crucial role in inflammation and has been implicated in cancer development. Understanding the behavior of COX-2 in different cellular contexts is essential for developing targeted therapeutic strategies. In this study, we investigate the fluorescence spectrum of a fluorogenic probe, NANQ-IMC6, when bound to the active site of human COX-2 in both its monomeric and homodimeric forms.
View Article and Find Full Text PDFEmergence of Omicron FN.1 a descendent of BQ.1.1 in Botswana.
Virus Evol
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Research Laboratory, Botswana Harvard Health Partnership, Gaborone, Private Bag BO 320, Botswana.
Botswana, like the rest of the world, has been significantly impacted by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In December 2022, we detected a monophyletic cluster of genomes comprising a sublineage of the Omicron variant of concern (VOC) designated as B.1.
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