β-sitosterol alleviates pulmonary arterial hypertension by altering smooth muscle cell phenotype and DNA damage/cGAS/STING signaling. - Li J; Meng ZY; Wen H; Lu CH; Qin Y; Xie YM; Chen Q; Lv JH; Huang F; Zeng ZY (Phytomedicine : international journal of phytotherapy and phytopharmacology, 2024)