Concise Review; The Recent Methods that Enhance the Osteogenic Differentiation of Human Induced Pluripotent Stem Cells

Author(s): Yongchun Hou, Zi Yan*, Zhongqi Wu

Journal Name: Current Stem Cell Research & Therapy

Volume 16 , Issue 8 , 2021


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Abstract:

Bone regeneration is a critical problem in modern clinical practice. Osteocytes are the most abundant cell population of mature adult bone that play a major role in the regulation of bone formation. In humans, segmental bone defects cannot be repaired by endogenous regenerative mechanisms. Bone tissue engineering (BTE) is a promising option for the treatment of difficult segmental and skeletal defects. BTE requires suitable cell sources with rapid expansion and adequate function, inducible factors, and scaffolds to successfully regenerate or repair the bone injury. To overcome the disadvantages of using allogeneic and autologous tissue grafts, stem cell-based therapy has progressed in regenerative medicine. In the past few decades, numerous attempts have been made to generate osteocytes by using pluripotent stem cells (PSCs) to repair and regenerate bone defects. Human induced pluripotent stem cells (hiPSCs) are PSCs that can self-renew and differentiate into a variety of cell types. Reprogramming of human somatic cells into hiPSCs provides a new opportunity for regenerative medicine, cell-based drug discovery, disease modeling, and toxicity assessment. The ability to differentiate hiPSCs from mesenchymal stem cells (iPSC-MSCs) is essential for treating bone-related damages and injuries. Several in vitro studies revealed that the cell origin of iPSCs, a combination of transcription factors, the type of promoter in the vector, transduction methods, scaffolds, differentiating techniques, and culture medium, may affect the osteogenic differentiation potential of hiPSCs. This review will focus on several factors that influence the osteogenic differentiation of human iPSCs.

Keywords: Induced pluripotent stem cells, osteocytes, differentiation, bone tissue engineering, culture conditions, bone damage.

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Article Details

VOLUME: 16
ISSUE: 8
Year: 2021
Published on: 02 February, 2021
Page: [949 - 957]
Pages: 9
DOI: 10.2174/1574888X16666210203112016
Price: $65

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