Lung Repair (IMAGE)

University of Pennsylvania School of Medicine

Lung Repair

Caption

Better understanding how sonic hedgehog gene works has implications for treating such disorders as COPD and asthma. The red areas are lung epithelial and mesenchymal cells proliferating and regenerating -- governed by activity of hedgehog proteins -- in the airways of an injured lung.

Credit

Ed Morrisey, PhD, Perelman School of Medicine, Penn

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