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Diverse strategies utilized by coronaviruses to evade antiviral responses and suppress pyroptosis.
Int J Biol Macromol
January 2025
Department of Veterinary Medicine, College of Animal Sciences, Zhejiang University, Hangzhou, China; Institute of Preventive Veterinary Medicine, Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Zhejiang University, Hangzhou, China; Key Laboratory of Animal Virology of Ministry of Agriculture, Center for Veterinary Sciences, Zhejiang University, Hangzhou, China; Hainan Institute of Zhejiang University, Sanya, China; Zhejiang University-Xinchang Joint Innovation Centre (TianMu Laboratory), Gaochuang Hi-Tech Park, Xinchang, China. Electronic address:
Viral infections trigger inflammasome-mediated caspase-1 activation. Nevertheless, limited understanding exists regarding how viruses use the active caspase-1 to evade host immune response. Here, we use porcine epidemic diarrhea virus (PEDV) as a model of coronaviruses (CoVs) to illustrate the intricate regulation of CoVs to combat IFN-I signaling and pyroptosis.
View Article and Find Full Text PDFEnhanced Antioxidant and Digestive Enzyme Inhibitory Activities of Pacific White Shrimp Shell Protein Hydrolysates via Conjugation with Polyphenol: Characterization and Application in Surimi Gel.
Foods
December 2024
International Center of Excellence in Seafood Science and Innovation (ICE-SSI), Faculty of Agro-Industry, Prince of Songkla University, Hat Yai 90110, Songkhla, Thailand.
Pacific white shrimp shell protein hydrolysates (SSPHs) produced using alcalase (UAH) and papain (UPH), and polyphenols (PPNs) conjugates were prepared using variable concentrations (0.5-3% /) of different polyphenols (EGCG, catechin, and gallic acid). When 2% (/) of a redox pair was used for conjugation, 0.
View Article and Find Full Text PDFPsoralidin acts as a dual protease inhibitor against PL and M of SARS-CoV-2.
FEBS J
January 2025
Department of Life Sciences, School of Natural Sciences, Shiv Nadar Institution of Eminence, Gautam Buddha Nagar, Uttar Pradesh, India.
The emergence of new coronavirus variants and concerns about vaccine effectiveness against these novel variants emphasize the need for broad-spectrum therapeutics targeting conserved coronaviral non-structural proteins. Accordingly, a virtual library of 178 putative inhibitors targeting SARS-CoV-2 Papain-like protease (PL) was compiled through a systematic review of published literature and subsequently screened using molecular docking. Selected hits were analyzed for protease inhibitory activities, binding strength, and antiviral activities against HCoV229E-based surrogate system and subsequently against SARS-CoV-2 for validation.
View Article and Find Full Text PDFHigh-throughput screening of dual-target inhibitors for SARS-CoV-2 main protease and papain-like protease from Chebulae Fructus: prediction and experimental verification.
Front Microbiol
December 2024
State Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
Background: The unavoidable propagation of the coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has underscored the urgent requirement for efficacious therapeutic agents. The dried fruit of Retz., namely Chebulae Fructus, is widely used for treating bacterial and viral infectious diseases, which was witnessed to perform anti-SARS-CoV-2 activity in recommended Chinese patent medicine.
View Article and Find Full Text PDFWith the rapid emergence of pufferfish aquaculture and processing industries, fish skin is underutilized as a byproduct of processing, leading to resource waste. In this study, skin collagen (TBSC) was extracted by acetic acid solubilization and its physicochemical properties were analyzed. The effects of TBSC and the TBSC hydrolysate (TBSCH) on ultraviolet (UV) irradiation-induced photoaging were investigated using a mouse model.
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