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Pediatrics / Research / Pediatric Research Newsletter / October 2009 / Pediatric Research Newsletter (3)

October 2009 Newsletter

Jacob Finkelstein, Ph.D.

The Finkelstein laboratory emphasizes the role of the alveolar epithelium in modulating the pulmonary injury response to physiological and toxicological stimuli. This includes studies of oxidant induced signaling in the pulmonary epithelium and macrophages and epithelial production of cytokines and chemokines in the regulation of the inflammatory functions of alveolar macrophages. His previous research effort focused on the pulmonary alveolar type II cell as the site of pulmonary surfactant synthesis and secretion, and studies on the basic cell and molecular biology of these processes are still an important facet of his work. In addition, the type II cell plays an important role as the stem cell for renewal of the alveolar epithelium both in the normal lung development and during epithelial repair and renewal following lung injury. The most recent data suggest that type II cells may also be involved in regulating the inflammatory functions of alveolar macrophages, as well as the actions of interstitial fibroblasts during lung growth or pulmonary fibrosis.