Research Article

Exogenous Heparan Sulfate Enhances the TGF-β3-Induced Chondrogenesis in Human Mesenchymal Stem Cells by Activating TGF-β/Smad Signaling

Table 1

Primers used for real-time PCR.

Gene Forward primer (5′ to 3′) Reverse primer (5′ to 3′)

GAPDH 5′-AGAAAAACCTGCCAAATATGATGAC-3′5′-TGGGTGTCGCTGTTGAAGTC-3′
Col2A1 5′-GGCAATAGCAGGTTCACGTACA-3′5′-CGATAACAGTCTTGCCCCACTT-3′
ACAN 5′-TGCATTCCACGAAGCTAACCTT-3′5′-GACGCCTCGCCTTCTTGAA-3′
SOX9 5′-AGCGAACGCACATCAAGAC-3′5′-GCTGTAGTGTGGGAGGTTGAA-3′
TβRI5′-ATTACCAACTGCCTTATTATGA-3′5′-CATTACTCTCAAGGCTTCAC-3′
TβRII5′-ATGGAGGCCCAGAAAGATG-3′5′-GACTGCACCGTTGTTGTCAG-3′
TβRIII5′-GTGTTCCCTCCAAAGTGCAAC-3′5′-AGCTCGATGATGTGTACTTCCT-3′

GAPDH: glyceraldehyde-3-phosphate dehydrogenase; COL2A1: collagen type II; ACAN: aggrecan; SOX9: SRY (sex determining region Y)-box 9; TβRI/II/III: recombinant human transforming growth factor-β receptor type I/II/III.