Midkine

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Midkine (143 aa, ~16 kDa) is encoded by the human MDK gene. This protein plays a role in receptor signaling and the modulation of cell proliferation.

**Synonyms:** - ARAP - Amphiregulin-Associated Protein - MDK - MK - Midgestation and Kidney Protein - Neurite Growth-Promoting Factor 2 - Neurite Outgrowth-Promoting Factor 2 - Neurite Outgrowth-Promoting Protein - Retinoic Acid Inducible Factor