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Detection of microRNA-21 based on smartly designed ratiometric electrochemical sensor and dual-signal amplification.
Anal Chim Acta
January 2025
Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, School of Medicine, Linyi University, Linyi, China. Electronic address:
MicroRNA (miRNA) serves as an effective and viable biomarker for early diagnosis and monitoring of cancer disorders. It is highly expressed in tumor cells, including lung cancer, liver cancer and lymphoma. Herein, we propose a ratiometric electrochemical sensor for ultrasensitive detection of miRNA-21 using dual signal amplification, hybridization chain reaction and Exo III assisted-amplification.
View Article and Find Full Text PDFBiofilm development as a factor driving the degradation of plasticised marine microplastics.
J Hazard Mater
December 2024
College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia; AIMS@JCU, Division of Research and Innovation, James Cook University, Townsville, QLD 4811, Australia.
Biodegradation of microplastics facilitated by natural marine biofouling is a promising approach for ocean bioremediation. However, implementation requires a comprehensive understanding of how interactions between the marine microbiome and dominant microplastic debris types (e.g.
View Article and Find Full Text PDFChemical inhibition of eIF4A3 abolishes UPF1 recruitment onto mRNA encoding NMD factors and restores their expression.
Biochem Biophys Res Commun
December 2024
Université Franche-Comté, INSERM, EFS BFC, UMR1098, Interactions Hôte-Greffon-Tumeur/Ingénierie Cellulaire et Génique, F-25000, Besançon, France. Electronic address:
Nonsense-Mediated mRNA Decay (NMD) is a key control mechanism of RNA quality widely described to target mRNA harbouring Premature Termination Codon (PTC). However, recent studies suggested the existence of non-canonical pathways which remain unresolved. One of these alternative pathways suggested that specific mRNA could be targeted through their 3' UTR (Untranslated Region), which contain various elements involved in mRNA stability regulation.
View Article and Find Full Text PDFExploring seasonal dynamics of sea spray aerosol bioactivity: Insights into molecular effects on human bronchial epithelial cells.
Environ Int
January 2025
Blue Growth Research Lab, Ghent University, Wetenschapspark 1, Bluebridge, 8400 Oostende, Belgium. Electronic address:
Sea spray aerosol (SSA) is a complex mixture of natural substances that can be inhaled by coastal residents. Previous studies have suggested that SSA may have positive effects on human health, but the molecular mechanisms and the factors influencing these effects are poorly understood. In this study, we exposed human bronchial epithelial cells (BEAS-2B) to natural SSA samples, collected monthly using quartz microfiber filters mounted on tripods within 15 m of the waterline, with air drawn through pumps, throughout a one-year period at the Ostend coast, Belgium, and measured cellular gene expression changes using RNA sequencing.
View Article and Find Full Text PDFGenome-Wide A → G and C → T Mutations Induced by Functional TadA Variants in .
ACS Synth Biol
January 2025
Laboratory of Synthetic Microbiology, School of Chemical Engineering & Technology, Tianjin University, Tianjin 300072, P. R. China.
The fusion expression of deoxyribonucleic acid (DNA) replication-related proteins with nucleotide deaminase enzymes promotes random mutations in bacterial genomes, thereby increasing genetic diversity among the population. Most previous studies have focused on cytosine deaminase, which produces only C → T mutations, significantly limiting the variety of mutation types. In this study, we developed a fusion expression system by combining DnaG (RNA primase) with adenine deaminase TadA-8e (DnaG-TadA) in , which is capable of rapidly introducing A → G mutations into the genome, resulting in a 664-fold increase in terms of mutation rate.
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