The Cell Surface Proteome of Human Mesenchymal Stromal Cells
2011

The Cell Surface Proteome of Human Mesenchymal Stromal Cells

Sample size: 888 publication Evidence: high

Author Information

Author(s): Niehage Christian, Steenblock Charlotte, Pursche Theresia, Bornhäuser Martin, Corbeil Denis, Hoflack Bernard

Primary Institution: Biotechnology Center, Dresden University of Technology, Dresden, Germany

Hypothesis

To obtain a comprehensive view of the cell surface proteome of bone marrow-derived hMSCs.

Conclusion

The study identifies approximately 200 bona fide cell surface proteins on hMSCs, providing insights into their biology and potential applications in regenerative medicine.

Supporting Evidence

  • Identified ≈200 integral- and soluble proteins potentially associated with the plasma membrane.
  • Confirmed the expression of 41 predefined CD markers, including 5 novel ones.
  • Demonstrated significant differences between the cell surface proteome of hMSCs and human embryonic stem cells.

Takeaway

Scientists studied the surface of special cells called hMSCs to find out what proteins are there, which can help in healing and medicine.

Methodology

The study used cell surface biotinylation and mass spectrometry to identify proteins on hMSCs.

Limitations

The study may not capture all surface proteins due to the complexity of the proteome and the methods used.

Participant Demographics

Bone marrow-derived hMSCs from healthy donors.

Digital Object Identifier (DOI)

10.1371/journal.pone.0020399

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