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Tissue remodeling during high-altitude pulmonary edema in rats: Biochemical and histomorphological analysis.
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Department of Human and Animal Physiology, Yerevan State University, Yerevan, 1 Alek Manukyan St, Yerevan 0025, Armenia; Research Institute of Biology, Yerevan State University, Yerevan, 1 Alek Manukyan St, Yerevan 0025, Armenia. Electronic address:
High altitude characterized by the low partial pressure of the oxygen is a life-threatening condition that contributes to the development of acute pulmonary edema and hypoxic lung injury. In this study, we aimed to investigate the contribution of some inflammatory and oxidative stress markers along with antioxidant system enzymes in the pathogenesis of HAPE (high-altitude pulmonary edema) formation. We incorporated the study on 42 male rats to unravel the role of mast cells (MCs) and TNF-α in the lung after the effect of acute hypobaric hypoxia.
View Article and Find Full Text PDFInvestigating Environmental Determinants of Hookworm Transmission using GPS Tracking and Metagenomics Technologies.
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Department of Parasitology, Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana.
To identify potential sources of hookworm infections in a Ghanaian community of endemicity that could be targeted to interrupt transmission, we tracked the movements of infected and noninfected persons to their most frequented locations. Fifty-nine participants (29 hookworm positives and 30 negatives) wore GPS trackers for 10 consecutive days. Their movement data were captured in real time and overlaid on a community grid map.
View Article and Find Full Text PDFLaser Flash Photolysis of Carbazole in Solution: Cation Radical as a Source of Carbazolyl Radical.
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Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznanskiego 8, 61-614 Poznan, Poland.
In the course of 266 nm nanosecond laser flash photolysis of carbazole (CBL) in acetonitrile, we discovered a new transient absorption band centered at 360 nm that has been heretofore unreported despite numerous reports on similar topics. To put some limits on possible transients responsible for this absorption band and thus to solve the mechanism of CBL photolysis, we employed the strategy of selectively blocking the CBL active sites by various modifications in the structure. This strategy was supported by the use of the solvent effect and triplet quenching by molecular oxygen.
View Article and Find Full Text PDFWheat and barley serve as significant nutrient-rich staples that are extensively grown on a global scale, spanning over 219 million hectares. The annual combined global yield is 760.9 million tons, with Kazakhstan contributing 14.
View Article and Find Full Text PDFMolecular markers and cytogenetics of Eleven O'Clock Portulaca umbraticola: a non-conventional edible ornamental crop.
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Universidade Federal da Paraíba - UFPB, Centro de Ciências Agrárias - CCA, Areia, PB, Brasil.
Portulaca umbraticola, commonly known as "Eleven o'clock", is a popular ornamental plant in Brazil, but its potential as a non-conventional food source remains underexplored. Assessing its genetic and cytogenetic diversity is crucial for breeding and selecting optimal accessions. In this study, we analyzed the genetic diversity of P.
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