Primary Eμ-Myc–ASNSlow lymphoma cells (harvested from Eμ-MycTg/+ mice #688) were transduced with retroviral green fluorescent protein (GFP)–encoded vector (CTL) or GFP-encoded mAsns-v5 vector to overexpress V5-tagged murine ASNS (ASNS OE). The gene discussed is PRKAR1B; the disease is lymphoma.