J Korean Assoc Oral Maxillofac Surg.
2008 Dec;34(6):588-593.
Isolation of porcine multipotential skin-derived precursor cells and its multilineage differentiation
- Affiliations
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- 1Department Oral & Maxillofacial Surgery, School of Medicine and Institute of Health Science, Gyeongsang National University, Korea. parkbw@gsnu.ac.kr
- 2College of Veterinary Medicine, Gyeongsang National University, Korea.
- 3Department of Oral & Maxillofacial Surgery, School of Dentistry, Pusan National University, Korea.
Abstract
- There are increasing reports regarding regeneration of the defected tissues using tissue engineering technique. In this technique, multipotential stem cells are essential. There are many potential sources of adult stem cells, such as bone marrow, umbilical cord blood, fat, muscle, dental tissues and skin. Among them, skin is highly accessible and easily obtained with a minimum of donor site complications. Moreover, skin is an abundant adult stem cell sources and has the potential for self-replication and immune privilege. In this study, we isolated skin-derived precursor cells (SKPs) from the ear of adult miniature pigs. In these SKPs, the expression of transcriptional factors, Oct-4, Sox-2, and Nanog were detected by RT-PCR. In vitro osteogenesis and adipogenesis were observed at 3 weeks after transdifferentiations as assayed by positive von Kossa and Oil-red O staining, respectively. In addition, expression of osteocalcin and osteonectin in the osteogenic differentiation medium and PPAR GAMMA2 and aP2 in the adipogenic differentiation medium were detected by RT-PCR. In vitro neurogenesis of porcine SKPs was observed during 24 and 72 hours after treatment of neurogenic differentiation medium. The results of this study suggest that SKPs demonstrate the properties of pluripotence or multipotence and multi-lineage differentiation. This indicates that autogenous SKPs are a reliable and useful source of adult stem cells for regenerative medicine.
MeSH Terms
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Adipogenesis
Adult
Adult Stem Cells
Bone Marrow
Durapatite
Ear
Fetal Blood
Humans
Muscles
Neurogenesis
Osteocalcin
Osteogenesis
Osteonectin
Peroxisome Proliferator-Activated Receptors
Regeneration
Regenerative Medicine
Skin
Stem Cells
Swine
Tissue Donors
Tissue Engineering
Durapatite
Osteocalcin
Osteonectin
Peroxisome Proliferator-Activated Receptors
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