text_1: PKG-la does not have a large impact on expression of pain hypersensitivity in PGK-la knockout mice.
text_2: Patch clamp recordings showed that activity-induced LTP at identified synapses between nociceptors and spinal neurons projecting to the periaqueductal grey (PAG) was completely abolished in SNS-PKG-I(-/-) mice, although basal synaptic transmission was not affected.