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Characterization of hPDLSCs
(A) Morphological characteristics of hPDLSCs. (B) Detection of the clonogenic ability. (C) hPDLSCs negatively expressed CD34, CD11b, CD19, CD45 and HLA-DR but positively expressed CD90, CD44, CD105 and CD73. (D) The cells were cultured in osteogenic medium for 21 days and then stained with Alizarin Red. (E) The cells were cultured in adipogenic medium for 28 days and then stained with Oil Red O. hPDLSCs: Human periodontal ligament stem cells
