Investigators capture a ‘molecular snapshot’ to illuminate the origins of pulmonary arterial hypertension


Pulmonary arterial hypertension (PAH) is a rare and incurable disease of the lung arteries that causes early death. In PAH, excess scar tissue and thickening of lung blood vessels occur as the result of increased cell “biomass.” These changes obstruct blood flow and are detrimental to the heart, but until now the basic features of biomass in PAH were not known.

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