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| http://dx.doi.org/10.1111/iwj.12820 | DOI Listing |
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Involvement of nitrate reductase in nitric oxide generation and in the induction of acclimation responses to phosphorus restriction in soybean plants.
Plant Sci
December 2024
Instituto de Fisiología Vegetal (INFIVE CCT CONICET La Plata), Universidad Nacional de La Plata (UNLP) y Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Diagonal 113 Nº 495 (1900) La Plata, Argentina. Electronic address:
Nitrate reductase (NR) is an essential enzyme because of its role in nitrogen metabolism and in key signaling events through the generation of the reactive nitrogen species, nitric oxide (NO). In this work, we evaluated changes in endogenous NO levels during the onset of P-restriction in soybean plants (Glycine max), focusing on the possible pathways involved in its generation, namely NR and NO synthase like activity, NOS, and the subsequent role of NR during low P-acclimation. During the first 96h of P-starvation NO levels increased in the leaves.
View Article and Find Full Text PDFCitric acid is more effective than sodium thiosulfate in chelating calcium in a dissolution model of calcinosis.
Sci Rep
December 2024
Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester and Northern Care Alliance NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, M13 9PT, UK.
Calcinosis cutis affects 20-40% of patients with systemic sclerosis. This study tests the hypothesis that calcium-chelating polycarboxylic acids can induce calcium dissolution without skin toxicity or irritancy. We compared citric acid (CA) and ethylenediaminetetraacetic acid (EDTA) to sodium thiosulfate (STS) for their ability to chelate calcium in vitro using a pharmaceutical dissolution model of calcinosis (hydroxyapatite (HAp) tablet), prior to evaluation of toxicity and irritancy in 2D in vitro skin models.
View Article and Find Full Text PDFWood-Derived Hydrogels for Osteochondral Defect Repair.
ACS Nano
December 2024
Department of Biomaterials, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
Repairing cartilage tissue is a serious global challenge. Herein, we focus on wood skeletal structures that are highly porous for cell penetration yet have load-bearing strength, and aim to synthesize wood-derived hydrogels with the ability to regenerate cartilage tissues. The hydrogels were synthesized by wood delignification and the subsequent intercalation of citric acid (CA), which is involved in tricarboxylic acid cycles and essential for energy production, and -acetylglucosamine (NAG), which is a cartilage glycosaminoglycan, among cellulose microfibrils.
View Article and Find Full Text PDFEffectiveness of selective NaV1.7 blocker PF-05089771 in reducing cough associated with allergic rhinitis in guinea pigs.
Respir Physiol Neurobiol
December 2024
Department of Pathophysiology Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Slovakia. Electronic address:
Background: Allergic rhinitis (AR) is a common cause of chronic cough, linked to dysregulated airway C- and Aδ-fibres through inflammatory mediators. Despite the limited efficacy of current antitussive therapies, recent studies show that the Na1.7 inhibitor can block cough in naïve guinea pigs.
View Article and Find Full Text PDFUnraveling the mechanisms of post-treatment to enhance humification and Cd remediation in compost through EDTA-Fenton-Like systems.
Sci Total Environ
December 2024
College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, China. Electronic address:
This study aimed to enhance humification and cadmium (Cd) remediation in compost by investigating the effects of three post-treatments: ultrapure water, citric acid, and ethylenediaminetetraacetic acid disodium (EDTA). The results revealed that the EDTA post-treatment significantly enhanced humification by facilitating an EDTA-Fenton-like system within compost comprising rice straw and river sediment to remediate Cd-contaminated sediment. EDTA post-treatment not only promoted humic substances and humic acid concentrations of up to 66.
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