CAMK2G and neuroblastoma: However, it was also reported that CaMKII potentiates α1β3γ2 GABAAR but not α1β2γ2 receptor in undifferentiated NG108-15 neuroblastoma cells (Houston and Smart, 2006), suggesting that the potentiation of β2 subunit-containing GABAAR by CaMKII may not work in some conditions or in certain cells (Houston et al., 2009).