Low Levels of Enzyme Lead to Calcium Deposits in Hypoxic PAH, Animal Study Shows
Deficiency of an enzyme called granzyme B leads to deposits of calcium in pulmonary blood vessels, contributing to the defects found in hypoxic pulmonary arterial hypertension (PAH), an animal study suggests. The study, “Granzyme B deficiency promotes osteoblastic differentiation and calcification of vascular smooth muscle cells in…

