AUTHOR=Chida-Nagai Ayako , Masaki Naoki , Sato Hiroki , Kato Tatsuya , Takakuwa Emi , Matsuno Yoshihiro , Manabe Atsushi , Takeda Atsuhito TITLE=Pulmonary artery-targeted low-dose metformin-loaded nanocapsules safely improve pulmonary arterial hypertension in rats JOURNAL=Frontiers in Pharmacology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2025.1577570 DOI=10.3389/fphar.2025.1577570 ISSN=1663-9812