- Growth Differentiation Factor 11 (GDF11)
- Growth Differentiation Factor 10 (GDF10)
- SMAD family member 6 (SMAD6)
- SMAD family member 9 (SMAD9)
- Cerberus (CER)
- Chordin (CHRD)
- Decorin (DCN)
- Gremlin 1 (GREM1)
- Collagen Type XXVII (COL27)
- Collagen Type XXV (COL25)
- Collagen Type XIX (COL19)
- Collagen Type XVIII (COL18)
- Collagen Type XVII (COL17)
- Collagen Type XVI (COL16)
- Collagen Type XV (COL15)