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. 2013 Oct 17;4(10):e870. doi: 10.1038/cddis.2013.403

Figure 6.

Figure 6

Proposed working model of calumenin (Calu)-15. Calu-15 undergoes phosphorylation at threonine at position 73 (Thr-73) by casein kinase 2 (CK2) and then promotes its entry into the nucleus. In the nucleus, Calu-15 can activate the transcription of growth differentiation factor-15 (GDF-15) via binding to its promoter region, and then leads to the formation of filopodia, which in turn promotes cell migration