Video 1.

Neonatal cardiomyocyte fused with HUVEC beat spontaneously. GFP and RFP double-positive cells (Fig. S1, a-c) beat spontaneously.

Cardiomyocytes fuse with surrounding noncardiomyocytes and reenter the cell cycle

Katsuhisa Matsuura , Hiroshi Wada , Toshio Nagai , Yoshihiro Iijima , Tohru Minamino , Masanori Sano , Hiroshi Akazawa , Jeffery D. Molkentin , Hiroshi Kasanuki , and Issei Komuro

DOI: 10.1083/jcb.200312111