Fig. 4From: NMDA receptor-mediated CaMKII/ERK activation contributes to renal fibrosisImmunofluorescence images for (a) the expression of p-CaMKII (red) and NR1 (green) and (b) the expression of p-ERK (red) and NR1 (green) in HK-2 cells in the normal control, TGF-β, TGF-β + MK801, and TGF-β + KN93 group (scale bar = 10 μm)Back to article page