NewslettersMuscle Cell NewsHemoglobin Resident in the Lung Epithelium Is Protective for Smooth Muscle Soluble Guanylate Cyclase FunctionBy Noshin Noorjahan - May 1, 20230300Doing transwell co-culture with bronchial epithelial cells, A549/16-HBE, and human airway smooth muscle cells, researchers found that hemoglobin could protect the smooth muscle soluble guanylyl cyclase from excess nitric oxide.[Redox Biology]Full Article