Hypoxia-mimetic agents inhibit proliferation and alter the morphology of human umbilical cord-derived mesenchymal stem cells
2011

Effects of Hypoxia on Human Umbilical Cord-Derived Stem Cells

Sample size: 3 publication Evidence: moderate

Author Information

Author(s): Zeng Hui-Lan, Zhong Qi, Qin Yong-Liang, Bu Qian-Qian, Han Xin-Ai, Jia Hai-Tao, Liu Hong-Wei

Primary Institution: The First Affiliated Hospital of Jinan University

Hypothesis

The study investigates how hypoxia-mimetic agents affect the proliferation and morphology of human umbilical cord-derived mesenchymal stem cells (hMSCs).

Conclusion

Hypoxia-mimetic agents DFO and CoCl2 alter the morphology of hMSCs and inhibit their proliferation by affecting the cell cycle.

Supporting Evidence

  • DFO and CoCl2 treatments significantly inhibited hMSCs proliferation in a concentration-dependent manner.
  • After treatment, hMSCs were elongated and showed reduced cell-to-cell contact.
  • Vacuole-like structures were observed in the cytoplasm of treated hMSCs.

Takeaway

When we treat special cells from umbilical cords with certain chemicals that mimic low oxygen, they change shape and grow less.

Methodology

hMSCs were treated with DFO and CoCl2, and their proliferation and morphology were analyzed using MTT assay, atomic force microscopy, and transmission electron microscopy.

Limitations

The study did not compare the effects of physical hypoxia and hypoxia mimetics on hMSCs morphology and growth.

Participant Demographics

hMSCs were isolated from umbilical cords of healthy full-term infants born by cesarean section.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2121-12-32

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