library_construction_protocol: Total RNA of bone marrow (BM-hMSCs) and dental pulp (DP-hMSCs) with 40 uM BiFP containing integrin α2β1 (GFOGER) or discoidin domain receptors 2 (DDR2, GVMGFO) binding motifs was isolated with the Qiagen RNeasy Kit (QIAGEN). VAHTS Universal V6 RNA-seq Library Prep kit was used to prepare RNA-Seq library.