Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

TMT-Based Quantitative Proteomics Analysis Reveals Differentially Expressed Proteins between Different Sources of hMSCs

Version 1 : Received: 25 July 2023 / Approved: 26 July 2023 / Online: 26 July 2023 (07:06:41 CEST)

A peer-reviewed article of this Preprint also exists.

Naudot, M.; Le Ber, J.; Marcelo, P. TMT-Based Quantitative Proteomics Analysis Reveals Differentially Expressed Proteins between Different Sources of hMSCs. Int. J. Mol. Sci. 2023, 24, 13544. Naudot, M.; Le Ber, J.; Marcelo, P. TMT-Based Quantitative Proteomics Analysis Reveals Differentially Expressed Proteins between Different Sources of hMSCs. Int. J. Mol. Sci. 2023, 24, 13544.

Abstract

Mesenchymal stem cells (MSCs) are an attractive therapeutic tool for tissue engineering and regenerative medicine owing to their regenerative and trophic properties. The best-known and most widely used are bone marrow MSCs which are currently being harvested and developed from a wide range of adult and perinatal tissues. MSCs from different sources are believed to have different secretion potentials and production which may influence their therapeutic effects. To confirm it, we performed a quantitative proteomic analysis based on the TMT technique of MSCs from three different sources: Wharton’s jelly (WJ), dental pulp (DP) and bone marrow (BM). Our analysis focused on MSC biological properties of interest for tissue engineering. We identified a total of 611 differentially expressed human proteins. WJ-MSCs showed the greatest variation compared with the other sources. WJ produced more extracellular matrix (ECM) proteins and ECM-affiliated proteins and appeared more able to modulate the inflammatory and immune response. BM-MSCs displayed enhanced differentiation and paracrine communication capabilities. DP-MSC appeared to promote exosome production. The results obtained confirm the existence of differences between WJ, DP and BM-MSC and the need to select the MSC origin according to the therapeutic objective sought.

Keywords

mesenchymal stem cells; proteomics; tissue engineering; regenerative medicine

Subject

Biology and Life Sciences, Life Sciences

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