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An improvised one-step OptiPrep cushion ultracentrifugation method for outer membrane vesicles isolation of Klebsiella pneumoniae.
BMC Microbiol
December 2024
Jiang Xi Hospital of China-Japan Friendship Hospital, Nanchang, Jiangxi, 330052, P.R. China.
Background: Extracellular vesicles (EVs) play a crucial role in intraspecies and interspecies communication, significantly influencing physiological and pathological processes. Outer membrane vesicles (OMVs) secreted by Gram-negative bacteria are rich in components from the parent cells and are important for bacterial communication, immune evasion, and pathogenic mechanisms. However, the extraction and purification of OMVs face numerous challenges due to their small size and heterogeneity.
View Article and Find Full Text PDFA systematic review of the comparative effects of sound and music interventions for intensive care unit patients' outcomes.
Aust Crit Care
December 2024
Department of Music, Canadian Centre for Ethnomusicology (CCE), Department of Performing Arts, Faculty of Communication and Media Studies, University for Development Studies, Ghana; Department of Music, Faculty of Arts, University of Alberta, 3-98 Fine Arts Building, Edmonton, AB, T6G 2C9, Canada. Electronic address:
Background: Despite syntheses of evidence showing efficacy of music intervention for improving psychological and physiological outcomes in critically ill patients, interventions that include nonmusic sounds have not been addressed in reviews of evidence. It is unclear if nonmusic sounds in the intensive care unit (ICU) can confer benefits similar to those of music.
Objective: The aim of this study was to summarise and contrast available evidence on the effect of music and nonmusic sound interventions for the physiological and psychological outcomes of ICU patients based on the results of randomised controlled trials.
Assessing the impact of different donor milk treatments on infant health and growth: a systematic review protocol.
BMJ Open
December 2024
Laboratory of Human Milk and Lactation Research, Department of Medical Biology, University of Warsaw, Warsaw, Poland.
Introduction: Donor human milk (DHM) is the first alternative if mother's own milk is unavailable or contraindicated. Much DHM research has focused on its nutritional, immunological and biochemical composition in response to various maternal variables, standard human milk banking procedures and storage protocols. The current systematic review protocol, however, aims to systematically gather and analyse existing data pertaining to the impact of these aforementioned factors on the clinical, health-related and developmental outcomes observed in infants fed with DHM.
View Article and Find Full Text PDFApproach to investigation and management of proteinuria in pregnancy.
Clin Med (Lond)
December 2024
Women's Centre, John Radcliffe Hospital, Oxford University Hospitals, Headley Way, Headington, OX3 9DU. Electronic address:
Pregnancy leads to significant changes in renal physiology which results in increased in glomerular filtration rate (GFR) and enhanced protein excretion. These changes may continue in the postnatal period and might be observed for five to six months after birth. Once confirmed, proteinuria warrants investigation and close surveillance.
View Article and Find Full Text PDFFerredoxin 1 and 2 (FDX1/2) constitute an evolutionarily conserved FDX family of iron-sulfur cluster (ISC) containing proteins. FDX1/2 are cognate substrates of ferredoxin reductase (FDXR) and serve as conduits for electron transfer from NADPH to a set of proteins involved in biogenesis of steroids, hemes, ISC and lipoylated proteins. Recently, we showed that Fdx1 is essential for embryonic development and lipid homeostasis.
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