Article (Scientific journals)
Human Platelet Lysate Improves Bone Forming Potential of Human Progenitor Cells Expanded in Microcarrier-Based Dynamic Culture.
Gupta, Priyanka; Hall, Gabriella Nilsson; Geris, Liesbet et al.
2019In Stem Cells Translational Medicine
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Abstract :
[en] Xenogeneic-free media are required for translating advanced therapeutic medicinal products to the clinics. In addition, process efficiency is crucial for ensuring cost efficiency, especially when considering large-scale production of mesenchymal stem cells (MSCs). Human platelet lysate (HPL) has been increasingly adopted as an alternative for fetal bovine serum (FBS) for MSCs. However, its therapeutic and regenerative potential in vivo is largely unexplored. Herein, we compare the effects of FBS and HPL supplementation for a scalable, microcarrier-based dynamic expansion of human periosteum-derived cells (hPDCs) while assessing their bone forming capacity by subcutaneous implantation in small animal model. We observed that HPL resulted in faster cell proliferation with a total fold increase of 5.2 +/- 0.61 in comparison to 2.7 +/- 02.22-fold in FBS. Cell viability and trilineage differentiation capability were maintained by HPL, although a suppression of adipogenic differentiation potential was observed. Differences in mRNA expression profiles were also observed between the two on several markers. When implanted, we observed a significant difference between the bone forming capacity of cells expanded in FBS and HPL, with HPL supplementation resulting in almost three times more mineralized tissue within calcium phosphate scaffolds. FBS-expanded cells resulted in a fibrous tissue structure, whereas HPL resulted in mineralized tissue formation, which can be classified as newly formed bone, verified by muCT and histological analysis. We also observed the presence of blood vessels in our explants. In conclusion, we suggest that replacing FBS with HPL in bioreactor-based expansion of hPDCs is an optimal solution that increases expansion efficiency along with promoting bone forming capacity of these cells. Stem Cells Translational Medicine 2019.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Gupta, Priyanka
Hall, Gabriella Nilsson
Geris, Liesbet  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Génie biomécanique
Luyten, Frank P.
Papantoniou, Ioannis
Language :
English
Title :
Human Platelet Lysate Improves Bone Forming Potential of Human Progenitor Cells Expanded in Microcarrier-Based Dynamic Culture.
Publication date :
2019
Journal title :
Stem Cells Translational Medicine
ISSN :
2157-6564
eISSN :
2157-6580
Publisher :
Wiley-Blackwell, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
(c) 2019 The Authors. Stem Cells Translational Medicine published by Wiley Periodicals, Inc. on behalf of AlphaMed Press.
Available on ORBi :
since 02 July 2019

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