Ouabain increases iNOS-dependent nitric oxide generation which contributes to the hypertrophic effect of the glycoside: possible role of peroxynitrite formation
Molecular and Cellular Biochemistry (2012) - Comment
pubmed: 22160804  doi: 10.1007/s11010-011-1185-7  issn: 1573-4919  issn: 0300-8177 

Xiaohong Tracey Gan, J. Craig Hunter, Cathy Huang, Jenny Xue, Venkatesh Rajapurohitam, Sabzali Javadov, Morris Karmazyn