[gremlin-1 isoform 2; Gremlin-1; gremlin-1; gremlin 1-like protein; DAN domain family member 2; increased in high glucose-2; proliferation-inducing gene 2; increased in high glucose protein 2; cell proliferation-inducing gene 2 protein; cysteine knot superfamily 1, BMP antagonist 1; gremlin 1, cysteine knot superfamily, homolog; down-regulated in Mos-transformed cells protein; gremlin 1, DAN family BMP antagonist; Cell proliferation-inducing gene 2 protein; Cysteine knot superfamily 1, BMP antagonist 1; DAN domain family member 2; Down-regulated in Mos-transformed cells protein; Increased in high glucose protein 2]