Cell signaling underlying the pathophysiology of pneumonia

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Abstract
The symposium addressed the burgeoning interest in fundamental mechanisms underlying the onset of pneumonia. Bacteria exploit the lung's innate immune mechanism, resulting in pathophysiological cell signaling. As a consequence inflammation develops, leading to pneumonia. New mechanisms have been identified by which bacteria or bacterial products in the airway induce cross-compartmental signaling that leads to inflammatory consequences. The speakers addressed activation of the transcription factor, NF-κB occurring as a consequence of bacterial interactions with specific receptors, such as the Toll-like receptors and the TNF receptor 1 (Prince), or as a consequence of cytokine induction (Mizgerd). Also considered were mechanisms of bacterial virulence in the clinical setting (Wiener-Kronish) and the role of alveolar-capillary signaling mechanisms in the initiation of lung inflammation.

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