Chinese Journal of Tissue Engineering Research ›› 2017, Vol. 21 ›› Issue (21): 3281-3286.doi: 10.3969/j.issn.2095-4344.2017.21.001

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Hydrogen sulfide promotes the osteogenesis of bone marrow mesenchymal cells through hypoxia-inducible factor-1 alpha under tensile stress

Jiang Xiao-wen, Zhang Yi, Fan Xiao-sheng, Chen Yan-ze   

  1. Department of Stomatology, the First People’s Hospital of Chenzhou & Institute of Translation Medicine, University of China South, Chenzhou 423000, Hunan Province, China
  • Revised:2017-04-26 Online:2017-07-28 Published:2017-08-02
  • Contact: Jiang Xiao-wen, Department of Stomatology, the First People’s Hospital of Chenzhou & Institute of Translation Medicine, University of China South, Chenzhou 423000, Hunan Province, China
  • About author:Jiang Xiao-wen, Associate chief physician, Department of Stomatology, the First People’s Hospital of Chenzhou & Institute of Translation Medicine, University of China South, Chenzhou 423000, Hunan Province, China
  • Supported by:

    the National Natural Science Foundation of China, No. 81301651; the Key Project of the First People’s Hospital of Chenzhou, No. N2015-006

Abstract:

BACKGROUND: Hydrogen sulfide signaling has been proved to promote distraction osteogenesis; however, the underlying mechanism remains unclear.

OBJECTIVE: To evaluate the relationship between hydrogen sulfide and hypoxia-inducible factor-1α (HIF-1α) during the osteogenesis of rat bone marrow mesenchymal cells under tensile stress. 
METHODS: 2 000 μ strain was loaded on the in vitro cultured rat bone marrow mesenchymal cells by a four-point bending apparatus, and hydrogen sulfide donor or HIF-1α inhibitor was adopted in the tensile unit. Subsequently, the levels of osteogenic markers were detected.
RESULTS AND CONCLUSION: Exogenous hydrogen sulfide signaling could promote the osteogenesis of rat bone marrow mesenchymal cells under tensile stress. However, this promotion was obviously eliminated when the endogenous HIF-1α expression was inhibited. These results show that hydrogen sulfide signaling system promotes the osteogenesis of rat bone marrow mesenchymal cells under tensile stress probably through HIF-1α.

 

Key words: Tissue Engineering, Hydrogen Sulfide, Hypoxia-Inducible Factor 1, alpha Subunit

CLC Number: