text_1: PKG-la plays an essential role in expression of spinal long term potentiation in PGK-la knockout mice.
text_2: Using the Cre-lox P system, we generated nociceptor-specific knockout mice lacking PKG-I specifically in presynaptic terminals of nociceptors in the spinal cord, but not in post-synaptic neurons or elsewhere (SNS-PKG-I(-/-) mice).