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Poster Presentation : Reprogramming / Epigenetic

Reprogramming using by mRNAs in Primary Somatic Cells derived from Patients with Brain Cancer

초록

영어

The ability to generate patient’s induced pluripotent stem cells (iPSCs) could provide tremendous promises for regenerative medicine. It has reported that choice of reprogramming tools is essential for the safety and the increasing efficiency of reprogramming process and transduction. Non-integrating techniques as like mRNA based reprogramming protocols are available for the production of genetically stable iPSCs while avoiding the risks of genomic integration. In this study, to derive brain cancer patient’s iPSCs by mRNA’s reprogramming, we obtained patient’s somatic tissues at brain tumor surgery that informed consent obtained according to institutionally- approved protocols. Patient's primary somatic cells were isolated, and they used as the cell source for iPSCs generation under xeno-free conditions. Reprogramming produced by non-integration methods utilized the combination of reprogramming mRNAs (OSKMNL) with evasion mRNAs (EKB) (Stemgent) during four days. Reprogrammed cells showed the colonies like iPSCs after six days of transduction, and the colonies were expanded until pick-up at day 14. These colonies were stained for pluripotency-associated genes using TRA-1-60 and TRA-1-81 by immunocytochemistry. Established colonies were also expanded without feeder condition and stained with Alkaline Phosphatase. In the further study, generated patient's iPSCs will be required to investigate their availability of the clinical application under xeno-free conditions which could provide a path to GMP applicability that should facilitate the clinical implementation of patient- or disease-specific iPSCs therapies.

저자정보

  • Kyoung-Ha So Institute for Stem Cell & Regenerative Medicine (ISCRM) and Laboratory of Veterinary Embryology and Biotechnology (VETEMBIO), College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Republic of Korea,
  • Young Seok Park Department of Neurosurgery, Chungbuk National University Hospital, Chungbuk National University, College of Medicine, Cheongju 28644, Republic of Korea
  • Sang-Hwan Hyun Institute for Stem Cell & Regenerative Medicine (ISCRM) and Laboratory of Veterinary Embryology and Biotechnology (VETEMBIO), College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Republic of Korea,

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