ASAH1 and infection: However, at the same MOI, only a moderate increase in HRPc expression was observed following infection with all three edited viruses (Ac-eGFP/HRPc∆Ac15-Ac16, Ac-eGFP/HRPc∆Ac129-Ac131, and Ac-eGFP/HRPc∆Ac136-Ac138).