M Grous

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BACKGROUND Ozone (O3), a common air pollutant, induces exacerbation of asthma and chronic obstructive pulmonary disease. Pulmonary surfactant protein (SP)-D modulates immune and inflammatory responses in the lung. We have shown previously that SP-D plays a protective role in a mouse model of allergic airway inflammation. Here we studied the role and(More)
Opioid peptides have profound effects on gut motility. To assess their actions on enteric neurons regulating sphincteric smooth muscle, the ability of several opioid agonists to antagonize the neuronally induced relaxation of canine lower esophageal sphincter smooth muscle was examined. Opioid peptides selective for mu (FK 33-824) or delta [((More)
The objective of the present experiments was to determine the specific receptor subtype through which dopamine (DA) receptor agonists relax the lower esophageal sphincter in vitro. Opossum lower esophageal sphincter smooth muscle strips were placed in oxygenated Krebs' solution containing propranolol and cocaine. The tissues were placed at a tension that(More)
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