1 University of North Carolina at Chapel Hill, Department of Pharmacology, Lineberger Comprehensive Cancer Center, Chapel Hill, NC 27599, USA. Electronic address: clints@email.unc.edu.
2 University of North Carolina at Chapel Hill, Department of Pharmacology, Lineberger Comprehensive Cancer Center, Chapel Hill, NC 27599, USA. Electronic address: cjder@med.unc.edu.
In this issue of Molecular Cell, Shui et al.1 use a systems biology approach to unravel a paradoxical role of microRNA in oncogenic KrasG12D regulation of gene and protein expression.