Tissue Engineering and Regenerative Medicine

, Volume 16, Issue 2, pp 141–150 | Cite as

Conditioned Medium Enhances Osteogenic Differentiation of Induced Pluripotent Stem Cell-Derived Mesenchymal Stem Cells

  • Siying Zhong
  • Xufeng He
  • Yuexia Li
  • Xiangxin LouEmail author
Original Article



Recent studies have shown that induced pluripotent stem cells (iPSCs) could be differentiated into mesenchymal stem cells (MSCs) with notable advantages over iPSCs per se. In order to promote the application of iPSC-MSCs for osteoregenerative medicine, the present study aimed to assess the ability of murine iPSC-MSCs to differentiate into osteoblast phenotype.


Osteogenic differentiation medium, blending mouse osteoblast-conditioned medium (CM) with basic medium (BM) at ratio 3:7, 5:5 and 7:3, were administered to iPSC-MSCs, respectively. After 14 days, differentiation was evaluated by lineage-specific morphology, histological stain, quantitative reverse transcription-polymerase chain reaction and immunostaining.


The osteogenesis-related genes, alp, runx2, col1 and ocn expressions suggest that culture medium consisting of CM:BM at the ratio of 3:7 enhanced the osteogenic differentiation more than other concentrations that were tested. In addition, the alkaline phosphatase activity and osteogenic marker Runx2 expression demonstrate that the combination of CM and BM significantly enhanced the osteogenic differentiation of iPSC-MSCs.


In summary, this study has shown that osteoblast-derived CM can dramatically enhance osteogenic differentiation of iPSC-MSCs toward osteoblasts. Results from this work will contribute to optimize the osteogenic induction conditions of iPSC-MSCs and will assist in the potential application of iPSC-MSCs for bone tissue engineering.


Induced pluripotent stem cells Mesenchymal stem cells Osteoblasts Conditioned medium Osteogenic differentiation 



This work was supported by the Foundation of Shanghai Municipal Natural Science (15ZR1400500) and the Fundamental Research Funds for the Central Universities (2232016A3-04).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical statement

The study conformed to the principles outlined in the Declaration of Helsinki and was approved by the Scientific Advisory Board and Ethical Review Committee at Donghua University (IRB No. 2013-20).


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Copyright information

© The Korean Tissue Engineering and Regenerative Medicine Society and Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Department of Bioengineering, College of Chemistry, Chemical Engineering and BiotechnologyDonghua UniversityShanghaiChina
  2. 2.Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering and BiotechnologyDonghua UniversityShanghaiChina
  3. 3.Department of DermatologyShuguang Hospital Affiliated to Shanghai University of Traditional Chinese MedicineShanghaiChina

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