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Induced pluripotent stem cells
- 1. INDUCED PLURIPOTENT STEM CELLS Presented by: VIDUR BHATIA M. Sc. (F), KUK.
- 6. Embryonic Stem cells Totipotent Pluripotent Multipotent Unipotent
- 7. Reprogramming of somatic cells to ES cells Somatic cell nuclear transfer Cell fusion Treatment with the extract of the pluripotent stem cells Stable expression of defined factors ( Cowan et al.,2005) ( Wilmut et al.,1997) (Takahashi and Yamanaka, 2006.)
- 11. Stable expression of defined factors Twenty four candidate genes play pivotal roles in the maintenance of ES cell identity base on their hypothesis. (Takahashi and Yamanaka,2006.) Myb, Kit, Gdf3, Esrrb 21 22 23 24 Ecat1 Dppa5(Esg1) Fbox15 Nanog Eras Dnmt31 Ecat8 Gdf3 Sox15 Dppa4 Dppa2 Fthl17 Sall4 Oct3/4 Sox2 Rex1 Utf1 Tcl1 Dppa3 Klf4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Symbol No.
- 19. (1)Isolate and culture donor cells. (2)Transfect stem cell-associated genes into the cells by viral vectors. (3)Harvest and culture the cells according to ES cell culture, (4)A small subset of the transfected cells become iPS cells and generate ES-like colonies.
- 29. APPLICATIONS
- 31. iPS CELLS TO CURE SC ANEAMIA
- 33. Mouse kidneys created using iPS cells A team of scientists has successfully used induced pluripotent stem (iPS) cells to create kidneys inside a mouse whose parents were genetically engineered so their offspring would not be born with the organ. (Hiromitsu Nakuchi; Mar. 10, 2009))