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논문 기본 정보

자료유형
학술저널
저자정보
Sang-Jin Park (Korea Institute of Toxicology) Hyun-Jung Kim (Korea Institute of Toxicology) Woojin Kim (Korea Institute of Toxicology) Ok-Sun Kim (Korea Institute of Toxicology) Sunyeong Lee (Korea Institute of Toxicology) Su-Yeon Han (Korea Institute of Toxicology) Eun Ju Jeong (Korea Institute of Toxicology) Hyun-shin Park (Genexine) Hea-Won Kim (Genexine) Kyoung-Sik Moon (Korea Institute of Toxicology)
저널정보
한국독성학회 Toxicological Research Toxicological Research Vol.32 No.3
발행연도
2016.7
수록면
251 - 258 (8page)

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초록· 키워드

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Mesenchymal stem cells (MSCs) have been identified in multiple types of tissue and exhibit characteristic self-renewal and multi-lineage differentiation abilities. However, the possibility of oncogenic transformation after transplantation is concerning. In this study, we investigated the tumorigenic potential of umbilical cord blood-derived MSCs (hUCB-MSCs) relative to MRC-5 and HeLa cells (negative and positive controls, respectively) both in vitro and in vivo. To evaluate tumorigenicity in vitro, anchorage-independent growth was assessed using the soft agar colony formation assay. hUCB-MSCs and MRC-5 cells formed few colonies, while HeLa cells formed a greater number of larger colonies, indicating that hUCBMSCs and MRC-5 cells do not have anchorage-independent proliferation potential. To detect tumorigenicity in vivo, hUCB-MSCs were implanted as a single subcutaneous injection into BALB/c-nu mice. No tumor formation was observed in mice transplanted with hUCB-MSCs or MRC-5 cells based on macroand microscopic examinations; however, all mice transplanted with HeLa cells developed tumors that stained positive for a human gene according to immunohistochemical analysis. In conclusion, hUCBMSCs do not exhibit tumorigenic potential based on in vitro and in vivo assays under our experimental conditions, providing further evidence of their safety for clinical applications.

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INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2017-513-000816794