Hideyuki Hakui, Hidetaka Kioka, Yohei Miyashita, Shunsuke Nishimura, Ken Matsuoka, Hisakazu Kato, Osamu Tsukamoto, Yuki Kuramoto, Ayako Takuwa, Yusuke Takahashi, Shigeyoshi Saito, Kunio Ohta, Hiroshi Asanuma, Hai Ying Fu, Haruki Shinomiya, Noriaki Yamada, Tomohito Ohtani, Yoshiki Sawa, Masafumi Kitakaze, Seiji Takashima, Yasushi Sakata, Yoshihiro Asano
Dilated cardiomyopathy (DCM) is a major cause of heart failure, characterized by ventricular dilatation and systolic dysfunction. Familial DCM is reportedly caused by mutations in more than 50 genes, requiring precise disease stratification based on genetic information. However, the underlying genetic causes of 60 to 80% of familial DCM cases remain unknown. Here, we identified that homozygous truncating mutations in the gene encoding Bcl-2–associated athanogene (BAG) co-chaperone 5 ( BAG5 ) caused inherited DCM in five patients among four unrelated families with complete penetrance...
January 19, 2022: Science Translational Medicine