Research Article

mGlu5 Receptors and Relapse to Cocaine-Seeking: The Role of Receptor Trafficking in Postrelapse Extinction Learning Deficits

Table 1

Immunoreactivity of mGlu5-interacting proteins in the dlSTR 22 hr after the context-induced relapse test.

ProteinTreatment group
Sal-VehSal-MTEPCoc-VehCoc-MTEP

CAMK II0.724 ± 0.0930.883 ± 0.0580.840 ± 0.0950.723 ± 0.067
Dynamin II/III0.815 ± 0.0950.830 ± 0.1010.918 ± 0.0680.780 ± 0.071
GRK20.553 ± 0.0460.460 ± 0.0680.629 ± 0.0680.702 ± 0.058
Homer 1b/c0.404 ± 0.0440.413 ± 0.0500.450 ± 0.051 0.374 ± 0.041
Homer 2a/b1.347 ± 0.1411.500 ± 0.1171.562 ± 0.1841.372 ± 0.144

All data were normalized to calnexin control (within sample) and to the Sal-Veh control (between groups). Data represent mean immunoreactivity ± SEM ( = 5–9). compared to Sal.