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. 2007 Oct;52(10):1002-8.
doi: 10.1016/j.archoralbio.2007.04.009. Epub 2007 Jun 1.

Establishment of cell lines that exhibit pluripotency from miniature swine periodontal ligaments

Miho Ibi  1 , Akira Ishisaki, Matsuo Yamamoto, Satoshi Wada, Takaharu Kozakai, Aiko Nakashima, Jynichiro Iida, Sonshin Takao, Yuichi Izumi, Atsuro Yokoyama, Masato Tamura
Affiliations
Free article

Establishment of cell lines that exhibit pluripotency from miniature swine periodontal ligaments

Miho Ibi et al. Arch Oral Biol. 2007 Oct.
Free article

Abstract

Objective: The periodontal ligament (PDL) is a fibrous connective tissue composed of heterogeneous cell types, including PDL fibroblasts. It is not clear whether cells within the PDL fibroblast population retain the potency to differentiate into other cell types.

Design: In the present study, clonal cell lines, derived from Clawn miniature swine PDLs, were established by gene transfection for a human telomerase reverse transcriptase, and characterized.

Results: These cell lines, denoted TesPDL1-4, had PDL fibroblasts that showed fibroblastic morphology and expressed procollagen alpha1(I), osteopontin, periostin and alkaline phosphatase mRNA. Under the specific culture conditions, TesPDL3 cells also have the ability to express CD31, vascular endothelial cadherin, von Willebrand factor, osteocalcin, and to form extracellular mineralized nodules.

Conclusions: Our data indicate that TesPDL3 cells have unique properties of expressing several phenotype of fibroblasts, vascular endothelial cells and osteoblasts in cultures.

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