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IL-4R and CXCR2 Contribute to Downregulating Neutrophil-Mediated Response in the Early Stage of Fungal Extract-Induced Allergic Airway Inflammation.
Biomedicines
November 2024
Department of Immunology, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia.
: Airborne exogenous antigen inhalation can induce neutrophil infiltration of the airways, while eosinophils migrate to the airways in allergic airway inflammation. During a bacterial infection, Th2-associated cytokine IL-4, by binding to the IL-4 receptor (IL-4R), can suppress neutrophil recruitment to the site of inflammation. In the present study, we estimated whether the IL-4-dependent suppression of neutrophil recruitment contributed to the development of an immune response in asthma.
View Article and Find Full Text PDFDrought-tolerant fungal microbes, and , elevate physiohormonal and antioxidant responses of maize under drought stress.
Front Microbiol
November 2024
College of Horticulture and Gardening, Yangtze University, Jingzhou, China.
Introduction: Temporary and extended drought stress accelerates phytohormones and reactive oxygen species (ROS) in plants, however, the fate of the plants under stress is mostly determined by the metabolic and molecular reprogramming, which can be modulated by the application of habitat-adapted fungi that triggers resistance to stress upon symbiotic association.
Methods: The present research exhibited the exploitation of the newly isolated, drought habitat-adapted fungal endophytic consortium of SAB () and CBW (), on maize under drought stress. SAB and CBW primarily hosted the root tissues of L.
Determination of the Effects of Pear- Intercropping Mode on Quality, Yield, and Soil Microbial Community.
J Fungi (Basel)
November 2024
College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China.
The intercropping of in pear orchards has important production value in improving the utilization rate and economic benefits of the orchard; however, there is little research on the intercropping model of pear-. In this study, metabolomics analysis found that compared with greenhouse cultivation, there were 104 and 142 metabolites significantly increased and decreased in the intercropping mode of , respectively. Among them, there was a significant accumulation of amino acids (phenylalanine, lysine, proline, citrulline, and ornithine), sugars (arabinitol and glucosamine), and organic acids (quinic acid, fumaric acid, and malic acid) related to the unique taste of in intercropping cultivation.
View Article and Find Full Text PDF[Oral gavage of expressing urate oxidase regulates serum uric acid level in mice].
Sheng Wu Gong Cheng Xue Bao
November 2024
Academy of Military Medical Sciences, Academy of Military Sciences, Beijing 100071, China.
Article Synopsis
- Urate oxidase (Uox) is crucial for breaking down uric acid and is used to treat hyperuricemia (HUA), but its use is limited by immune rejections after intravenous administration.
- This study developed engineered strains of the food-grade bacterium NZ9000 to express Uox variants (aUox and hUox) and tested their effectiveness in reducing uric acid levels in an HUA mouse model.
- The results showed that the engineered strains significantly lowered uric acid levels with reduced kidney injury compared to the traditional treatment with allopurinol, suggesting a safer long-term therapeutic option for HUA.
Enhanced extracellular production of Coprinopsis cinerea laccase Lcc9 in Aspergillus niger by gene expression cassette and bioprocess optimization.
BMC Biotechnol
November 2024
School of Life Sciences, Anhui University, Hefei, 230601, China.
Background: The laccase Lcc9 from Coprinopsis cinerea has optimal catalytic activity at moderate to alkaline pH conditions, making it invaluable for industrial applications. However, C. cinerea naturally secretes Lcc9 at low expression levels, which limits the industrial application of Lcc9 on a large scale.
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