Article Correctness Is Author's Responsibility: Tumor-Suppressing Protein May Be Novel Target in PAH Therapy May 19, 2019 Author: American Thoracic Society (ATS) Category: Feed In addition to suppressing tumors, the protein tuberous sclerosis complex 2 (TSC2) may play a role in preventing or treating pulmonary arterial hypertension (PAH), according to research presented at ATS 2019.