Fig. 3From: GDNF-RET signaling and EGR1 form a positive feedback loop that promotes tamoxifen resistance via cyclin D1TamSEGR1−OE cells upregulates GDNF transcription. A EGR1 (p < 0.005) and (B) GDNF (p < 0.05) mRNA expression levels increased after 24 h of DOX treatment in TamSEGR1−OEBack to article page