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Behavior of human bone marrow-derived mesenchymal stem cells on various titanium-based coatings
Umeå University, Faculty of Medicine, Department of Integrative Medical Biology (IMB). Department of Orthopaedics, Traumatology and Hand Surgery, Kuopio University Hospital, Kuopio, Finland. (Chondrogenic and Osteogenic Differentiation Group)ORCID iD: 0000-0002-1710-7715
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland.
Department of Orthopaedics, Traumatology and Hand Surgery, Kuopio University Hospital, Kuopio, Finland.
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland.
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2016 (English)In: Materials, ISSN 1996-1944, Vol. 9, no 10, 827Article in journal (Refereed) Published
Abstract [en]

The chemical composition and texture of titanium coatings can influence the growth characteristics of the adhered cells. An enhanced proliferation of the human mesenchymal stem cells (hMSCs) would be beneficial. The present study was aimed to investigate whether titanium deposited at different atmospheres would affect the cell growth properties, cellular morphology, and expression of surface markers of hMSCs. Titanium-based coatings were deposited on silicon wafers under oxygen, nitrogen, or argon atmospheres by ultra-short pulsed laser deposition using two different gas pressures followed by heating at 400 °C for 2 h. The characteristics of the coated surfaces were determined via contact angle, zeta potential, and scanning electron microscopy (SEM) techniques. Human MSCs were cultivated on differently coated silicon wafers for 48 h. Subsequently, the cell proliferation rates were analyzed with an MTT assay. The phenotype of hMSCs was checked via immunocytochemical stainings of MSC-associated markers CD73, CD90, and CD105, and the adhesion, spreading, and morphology of hMSCs on coated materials via SEM. The cell proliferation rates of the hMSCs were similar on all coated silicon wafers. The hMSCs retained the MSC phenotype by expressing MSC-associated markers and fibroblast-like morphology with cellular projections. Furthermore, no significant differences could be found in the size of the cells when cultured on all various coated surfaces. In conclusion, despite certain differences in the contact angles and the zeta potentials of various titanium-based coatings, no single coating markedly improved the growth characteristics of hMSCs.

Place, publisher, year, edition, pages
Basel, Switzerland, 2016. Vol. 9, no 10, 827
Keyword [en]
Human bone marrow-derived mesenchymal stem cells, Ultra-short pulsed laser deposition, Surface coating, Cell culture, Adhesion behavior
National Category
Materials Chemistry Cell Biology Biomaterials Science
Research subject
cellforskning; Materials Science
Identifiers
URN: urn:nbn:se:umu:diva-126836DOI: 10.3390/ma9100827OAI: oai:DiVA.org:umu-126836DiVA: diva2:1037519
Available from: 2016-10-17 Created: 2016-10-17 Last updated: 2016-12-20Bibliographically approved

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Qu, ChengjuanLammi, Mikko
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