Sheep Placenta Cotyledons: A Noninvasive Source of Ovine Mesenchymal Stem Cells

Sheep are one of the most frequently used large animal models in stem cell research. However, minimal invasive or noninvasive sources of mesenchymal stem cells (MSCs) in sheep are scarce. In the light of the principles of the 3Rs (reduce, refine, replace), it would therefore be desirable to identify...

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Veröffentlicht in:Tissue engineering. Part C, Methods Methods, 2017-05, Vol.23 (5), p.298-310
Hauptverfasser: Ribitsch, Iris, Chang-Rodriguez, Souyet, Egerbacher, Monika, Gabner, Simone, Gueltekin, Sinan, Huber, Johann, Schuster, Therese, Jenner, Florien
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container_end_page 310
container_issue 5
container_start_page 298
container_title Tissue engineering. Part C, Methods
container_volume 23
creator Ribitsch, Iris
Chang-Rodriguez, Souyet
Egerbacher, Monika
Gabner, Simone
Gueltekin, Sinan
Huber, Johann
Schuster, Therese
Jenner, Florien
description Sheep are one of the most frequently used large animal models in stem cell research. However, minimal invasive or noninvasive sources of mesenchymal stem cells (MSCs) in sheep are scarce. In the light of the principles of the 3Rs (reduce, refine, replace), it would therefore be desirable to identify a minimally invasive or noninvasive ovine MSC source. In humans, the chorionic villi of the placenta, which can be noninvasively harvested as part of the afterbirth, have been identified as a rich source of MSCs. Therefore, in the present study, ovine placenta cotyledons, which have similar function and structure to human chorionic villi, were tested for their potential use as a noninvasive source of ovine MSCs. Through mincing of the placental cotyledons, collagenase digestion, and Ficoll density gradient centrifugation, combined with plastic adherence selection, MSCs were successfully isolated. Their morphological, immunophenotypical, and cellular growth characteristics, as well as their proliferation, differentiation, and migration potential, were evaluated and compared to the currently best-researched MSC source, bone marrow-derived stem cells. Ovine cotyledons were shown to be a reliable, abundant source for the noninvasive, pain- and risk-free harvest of MSCs. The collection procedure does not interfere with partum or the initial bonding phase between ewes and lambs and is therefore exempt from ethical debate. Ovine placenta cotyledon-derived MSCs exhibit multipotential characteristics and can be cryopreserved for later use.
doi_str_mv 10.1089/ten.tec.2017.0067
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subjects Adipogenesis - physiology
Adipose tissue
Amnion
Amniotic fluid
Anatomy
Animal models
Animals
Antibiotics
Bacteria
Biochemistry
Blood circulation
Blood vessels
Bone growth
Bone marrow
Bone matrix
Cartilage
Cell culture
Cell Differentiation
Cell Movement
Cell Proliferation
Cell Separation - methods
Chondrogenesis - physiology
Clinical trials
Contamination
Disinfectants
Embryology
Female
Fetuses
Histology
Horses
Immunogenicity
Launching
Life span
Membranes
Mesenchymal stem cells
Mesenchymal Stromal Cells - cytology
Mesenchymal Stromal Cells - physiology
Osteogenesis - physiology
Pain
Parturition
Placenta
Placenta - cytology
Placenta - physiology
Pregnancy
Sheep
Stem cells
Tissue Engineering - methods
Tissues
Umbilical cord
title Sheep Placenta Cotyledons: A Noninvasive Source of Ovine Mesenchymal Stem Cells
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