نتایج جستجو برای: mucosal tears
تعداد نتایج: 45056 فیلتر نتایج به سال:
We examined human tears for molecules that killed gram-positive bacteria. The principal mediator of bactericidal activity against staphylococci proved to be a calcium-dependent enzyme, secretory phospholipase A2. Whereas the concentration of secretory phospholipase A2 in the normal tear film exceeded 30 microg/ml, only 1.1 ng (<0.1 nM) of the enzyme per ml sufficed to kill Listeria monocytogene...
Endotracheal intubation can lead to iatrogenic trauma to the upper airways. Superficial mucosal tears in the mouth, pharynx, or larynx are common and can cause secondary infection and acute respiratory distress due to massive air leak. We report a patient who sustained a severe 5-cm tracheal laceration and subcutaneous emphysema after intubation. She was successfully weaned from the ventilator ...
Mucosal surfaces regulate defenses against infection and excessive inflammation. We previously showed that human tears upregulated epithelial expression of genes encoding RNase7 and ST2, which inhibited Pseudomonas aeruginosa invasion of human corneal epithelial cells. Here, microRNA microarrays were used to show that a combination of tear fluid exposure (16 h) then P. aeruginosa antigens (3 h)...
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