MDK (Midkine, MK) is a secreted, heparin-binding growth factor that acts as a homodimer (Iwasaki et al. 1997). Both the full-length and the C-terminal region of MDK can bind the N-terminus of NOTCH2. In the presence of MDK, NICD2 accumulates in the nucleus in a dose-dependent fashion and epithelial-to-mesenchymal-transition (EMT) morphological changes are induced through a mechanism that has not been fully elucidated (Huang et al. 2008, Gungor et al. 2011).
Hatanaka, H, Yoshida, K, Nagata, K, Inagaki, F, Inui, T, Muramatsu, T, Tasumi, M, Kimura, T, Iwasaki, W
Huang, Y, Wu, F, Sidransky, D, Ratovitski, EA, Trink, B, Hoque, MO
Izbicki, JR, Güngör, C, Kalinina, T, Vashist, YK, Bockhorn, M, Yekebas, E, Effenberger, KE, Zander, H
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