Jan 26, 2015

Imperative role of particulate matter in innate immunity during RNA virus infection

BioRxiv : the Preprint Server for Biology
Martin G FraschBryan S Richardson


Sensing of pathogens by specialized receptors is the hallmark of the innate immune response. Innate immune response also mounts a defense response against various allergens and pollutants including particulate matter present in the atmosphere. Air pollution has been included as the top threat to global health declared by WHO which aims to cover more than three billion people against health emergencies from 2019-2023. Particulate matter (PM), one of the major components of air pollution, is a significant risk factor for many human diseases and its adverse effects include morbidity and premature deaths throughout the world. Several clinical and epidemiological studies have identified a key link between the PM composition and the prevalence of respiratory and inflammatory disorders. However, the underlying molecular mechanism is not well understood. Here, we investigated the influence of air pollutant, PM10 during RNA virus infections using highly pathogenic avian influenza (HPAI). We thus characterized the transcriptomic profile of lung epithelial cell line, A549 treated with PM10 prior to infection with (HPAI) H5N1 influenza virus, which is known to severely affect the lung and cause respiratory damage. We found that PM10 regula...Continue Reading

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Mentioned in this Paper

Brain Injuries
In Vivo
Entire Autonomic Nervous System
Biochemical Pathway
Entire Fetus
Health Care Service Organization
Research Funding Categories

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