Immunoblotting assays were performed, as previously described and validated by our group described [36 (link),37 (link),38 (link),39 (link),40 (link)] and developed with the Odyssey system (LI-COR Biosciences, Lincoln, NE, USA). The intensity of the bands was quantified by using the FIJI (Fiji Is Just ImageJ) software. Antibodies were purchased from Cell Signaling Technology (Danvers, MA, USA): CREB (catalog number: #4820), Phospho-CREB (pCREB Ser133; catalog number: #9198), ERK1/2 (catalog number: #9102); and from Santa Cruz Biotechnology (Dallas, TX, USA): p-ERK Antibody (catalog number: #sc-7383).
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