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Protective effects of neutrophil serine protease inhibition against ischemia-reperfusion injury in lung or heart transplantation.
FEBS J
January 2025
INSERM UMR-1100, "Research Center for Respiratory Diseases (CEPR)", Tours, France.
Transplanted organs are inevitably exposed to ischemia-reperfusion (IR) injury, which is known to cause graft dysfunction. Functional and structural changes that follow IR tissue injury are mediated by neutrophils through the production of oxygen-derived free radicals, as well as from degranulation which entails the release of proteases and other pro-inflammatory mediators. Neutrophil serine proteases (NSPs) are believed to be the principal triggers of post-ischemic reperfusion damage.
View Article and Find Full Text PDFUltrasound Evaluation of Upper Limb Sublesional Muscle Morphology in Cervical Spinal Cord Injury.
Muscle Nerve
January 2025
International Collaboration on Repair Discoveries (ICORD), Vancouver, British Columbia, Canada.
Introduction/aims: Upper limb paralysis is arguably the most limiting consequence of cervical spinal cord injury (cSCI). There is limited knowledge regarding the early structural changes of muscles implicated in grasp/pinch function and upper extremity nerve transfer surgeries. We evaluated: (1) muscle size and echo intensity (EI) in subacute cSCI (2-6 months) and (2) the influence of lower motor neuron (LMN) damage on these ultrasound parameters.
View Article and Find Full Text PDFThoracic Electric Impedance Tomography Detects Lung Volume Changes in Amyotrophic Lateral Sclerosis.
Muscle Nerve
January 2025
Division of Neurology, Department of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.
Introduction/aims: Spirometry is the conventional means to measure lung function in amyotrophic lateral sclerosis (ALS), but is dependent on patient effort and bulbar strength. We aimed to use electric impedance tomography (EIT), an emerging non-invasive imaging modality, to measure dynamic lung volume changes.
Methods: Twenty-one patients with ALS underwent sitting and supine spirometry for forced vital capacity (FVC), and sitting and supine EIT.
Asynchronous shifts in the demographics of two wave-swept kelp species (Laminariales) after nearly four decades.
J Phycol
January 2025
Bamfield Marine Sciences Centre, Bamfield, British Columbia, Canada.
Kelp forests are among the most abundant and productive marine ecosystems but are under threat from climate change and other anthropogenic stressors. Although knowledge is growing about how the abundance and distribution of kelp forests are changing, much less is known about the "non-lethal" effects that global change is having on the performance and health of kelp populations in areas where they persist. Here we assessed the age distribution of two common stipitate kelp species, Laminaria setchelli and Pterygophora californica, at Wizard Islet in Barkley Sound, British Columbia, Canada, and compared these data to historical demographic data collected by De Wreede (1984) and Klinger and DeWreede (1988) from the same site between 1981 and 1983.
View Article and Find Full Text PDFTesting Covariates Effects on Bivariate Reference Regions.
Stat Med
February 2025
Clinical Epidemiology Unit, Complexo Hospitalario de Santiago de Compostela, Galicia, Spain.
Correlated clinical measurements are routinely interpreted via comparisons with univariate reference intervals examined side by side. Multivariate reference regions (MVRs), i.e.
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