Fig. 6

Hypothetical model of DLK-mediated nestin regulation in RA-treated Neuro-2a cells. RA activates the DLK-JNK signaling pathway, which subsequently enhances nestin gene expression through the action of specific transcription factors (TFs) and/or chromatin regulatory proteins (CRPs). Alternatively, or in addition (as indicated by dotted arrows), DLK may contribute to nestin protein accumulation in RA-treated cells by promoting its synthesis and/or its stability