Table 1.

Midkine receptors.

Receptor Family	Receptor	Reference
Protein tyrosine phosphatase (PTP)	PTPζ	Maeda et al., 1999 [23]
		Qi et al., 2001 [24]
LDL-receptor-related protein (LRP)	LRP-1	Muramatsu et al., 2000 [26]
	megalin/brushin	Muramatsu et al., 2000 [26]
	LRP-6	Muramatsu et al., 2004 [28]
	apoE receptor-2	Muramatsu et al., 2000 [26]
Integrins	α4β1	Muramatsu et al., 2004 [28]
	α6β1	Muramatsu et al., 2004 [28]
Notch	notch2	Huang et al., 2008 [35]
Receptor tyrosine kinase	ALK	Stoica et al., 2007 [25]
Glycosaminoglycans	Heparan sulfate trisulfated units	Ueoka et al., 2000 [29]
	Chondroitin sulfate E units	Ueoka et al., 2000 [29]
	Syndecan-1	Nakanishi et al., 1997 [32]
	Syndecan-3	Nakanishi et al., 1997 [32]
	Glypican-2	Kurosawa et al., 2001 [31]

Table adapted from Weckbach et al. [6].