Protocols to Measure Oxidative Stress and DNA Damage in Asthma.
Methods in molecular biology (Clifton, N.J.)(2022)
摘要
Asthma is associated with oxidative stress and oxidative damage of biomolecules, including DNA. Here, we describe the protocols to quantify reactive oxygen species (ROS) and oxidative stress markers in a mouse model of allergic airway inflammation. We also provide detailed methods to measure DNA damage by long-run real-time PCR for DNA-damage quantification (LORD-Q) assay and gene-specific DNA damage analyses by long amplicon (LA)-qPCR. Additionally, we describe methods to quantify oxidized DNA base lesions in lung genomic DNA by mass spectrometry, and to measure enzymatic activity of 8-oxoguanine DNA glycosylase (OGG1). Using these methods, the levels of oxidative stress and DNA damage in allergic inflammation and asthma can be elucidated.
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关键词
Allergic inflammation,Asthma,GSSG,LA-PCR,LORD-Q PCR,NEIL2,OGG1,Oxidative DNA damage,Reactive oxygen species
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