Accelerated and safe expansion of human mesenchymal stromal cells in animal serum-free medium for transplantation and regenerative medicine
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Accelerated and safe expansion of human mesenchymal stromal cells in animal serum-free medium for transplantation and regenerative medicine. / Lange, Claudia; Cakiroglu, Figen; Spiess, Andrej-Nikolai; Cappallo-Obermann, Heike; Dierlamm, Judith; Zander, Axel R.
In: J CELL PHYSIOL, Vol. 213, No. 1, 01.10.2007, p. 18-26.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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T1 - Accelerated and safe expansion of human mesenchymal stromal cells in animal serum-free medium for transplantation and regenerative medicine
AU - Lange, Claudia
AU - Cakiroglu, Figen
AU - Spiess, Andrej-Nikolai
AU - Cappallo-Obermann, Heike
AU - Dierlamm, Judith
AU - Zander, Axel R
N1 - (c) 2007 Wiley-Liss, Inc.
PY - 2007/10/1
Y1 - 2007/10/1
N2 - Human bone marrow mesenchymal stromal cells (hMSC) are currently investigated for a variety of therapeutic applications. However, most expansion protocols still use fetal calf serum (FCS) as growth factor supplement which is a potential source of undesired xenogeneic pathogens. We established an expansion protocol for hMSC based on the use of GMP-produced basic medium LP02 supplemented with 5% of platelet lysate (PL) obtained from human thrombocyte concentrates. Compared to FCS-supplemented culture conditions, we found a significant increase in both colony forming unit-fibroblast (CFU-F) as well as cumulative cell numbers after expansion. This accelerated growth is optimized by pooling of at least 10 thrombocyte concentrates. A minimal requirement is the use of 5% of PL with an optimal platelet concentration of 1.5 x 10(9)/ml, and centrifugation of thawed lysate at high speed. Cells expanded by this protocol meet all criteria for mesenchymal stromal cells (MSCs), e.g. plastic adherence, spindle-shaped morphology, surface marker expression, lack of hematopoietic markers, and differentiation capability into three mesenchymal lineages. MSC at passage 6 were cytogenetically normal and retained their immune-privileged potential by suppressing allogeneic reaction of T-cells. Additionally, gene expression profiles show increased mRNA levels of genes involved in cell cycle and DNA replication and downregulation of developmental and differentiation genes, supporting the observation of increased MSC-expansion in PL-supplemented medium. In summary, we have established a GMP-compatible protocol for safe and accelerated expansion of hMSC to be used in cell and tissue therapy.
AB - Human bone marrow mesenchymal stromal cells (hMSC) are currently investigated for a variety of therapeutic applications. However, most expansion protocols still use fetal calf serum (FCS) as growth factor supplement which is a potential source of undesired xenogeneic pathogens. We established an expansion protocol for hMSC based on the use of GMP-produced basic medium LP02 supplemented with 5% of platelet lysate (PL) obtained from human thrombocyte concentrates. Compared to FCS-supplemented culture conditions, we found a significant increase in both colony forming unit-fibroblast (CFU-F) as well as cumulative cell numbers after expansion. This accelerated growth is optimized by pooling of at least 10 thrombocyte concentrates. A minimal requirement is the use of 5% of PL with an optimal platelet concentration of 1.5 x 10(9)/ml, and centrifugation of thawed lysate at high speed. Cells expanded by this protocol meet all criteria for mesenchymal stromal cells (MSCs), e.g. plastic adherence, spindle-shaped morphology, surface marker expression, lack of hematopoietic markers, and differentiation capability into three mesenchymal lineages. MSC at passage 6 were cytogenetically normal and retained their immune-privileged potential by suppressing allogeneic reaction of T-cells. Additionally, gene expression profiles show increased mRNA levels of genes involved in cell cycle and DNA replication and downregulation of developmental and differentiation genes, supporting the observation of increased MSC-expansion in PL-supplemented medium. In summary, we have established a GMP-compatible protocol for safe and accelerated expansion of hMSC to be used in cell and tissue therapy.
KW - Animals
KW - Blood Platelets
KW - Cell Culture Techniques
KW - Cell Differentiation
KW - Cell Proliferation
KW - Cell Separation
KW - Culture Media, Serum-Free
KW - Gene Expression Profiling
KW - Humans
KW - Karyotyping
KW - Mesenchymal Stem Cell Transplantation
KW - Mesenchymal Stromal Cells
KW - Phenotype
KW - Regeneration
KW - Safety
U2 - 10.1002/jcp.21081
DO - 10.1002/jcp.21081
M3 - SCORING: Journal article
C2 - 17458897
VL - 213
SP - 18
EP - 26
JO - J CELL PHYSIOL
JF - J CELL PHYSIOL
SN - 0021-9541
IS - 1
ER -