positive regulation of NAD+ ADP-ribosyltransferase activity
positive regulation of nad+ adp-ribosyltransferase activity
up-regulation of NAD+:poly(adenine-diphosphate-D-ribosyl)-acceptor ADP-D-ribosyl-transferase activity
up-regulation of nad+:poly(adenine-diphosphate-d-ribosyl)-acceptor adp-d-ribosyl-transferase activity