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Mucous

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Fecal Components Modulate Human Astrovirus Infectivity in Cells and Reconstituted Intestinal Tissues

Human astroviruses (HAstV) are among the most common causative agents of viral gastroenteritis, especially in children, and extraintestinal manifestations have also been described. These viruses are transmitted by the fecal-oral route, implying that stool composition and the gut microbiota may impact their ability to remain infectious. For some enteric viruses, individual bacterial envelope components and […]
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In Vitro Human Airway Models for Study of Goblet Cell Hyperplasia and Mucus Production: Effects of Th2 Cytokines, Double-Stranded RNA, and Tobacco Smoke

Goblet cell hyperplasia (GCH) within the epithelium of the conducting airways is a common feature of human respiratory diseases, including asthma and chronic obstructive pulmonary disease. GCH can be initiated or exacerbated by environmental agents, including air pollution, viral infection, and tobacco smoke. Experimental model systems for investigating causes of GCH and possible remedies are therefore of high […]
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NOTCH SIGNALING PROMOTES AIRWAY MUCOUS METAPLASIA AND INHIBITS ALVEOLAR DEVELOPMENT.

The airways are conduits that transport atmospheric oxygen to the distal alveolus. Normally, airway mucous cells are rare. However, diseases of the airway are often characterized by mucous metaplasia, in which there are dramatic increases in mucous cell numbers. As the Notch pathway is known to regulate cell fate in many contexts, we misexpressed the […]