title: Tsukushi (protein)
text: # Tsukushi (protein)
  
  Tsukushi or tsukushin is an extracellular matrix protein of the small leucine rich proteoglycan (SLRP) family. In humans it is encoded by the TSKU gene.
  
  Tsukushi is a non-canonical class IV SLRP. It is involved in early animal development.
  
  