PKIA and infection: Real-time PCR demonstrated that PKIA-AS1 expression in spinal cord of SNL rats was markedly downregulated 3 days following infection with a lentivirus vector targeting PKIA-AS1 (Lv-PKIA-AS1) compared with the SNL rats infected with control lentivirus (P < 0.05, N = 5; Figure 2B).