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Embryology Doc. MUDr. Ing. RNDr. Peter Celec, DrSc., MPH petercelec@gmail.com www.imbm.sk
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Stem cells Totipotency All tissue types Pluripotency All tissues except placenta and amniotic sac Multipotency Several related tissue types
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Differentiation
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Programming and reprogramming
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Nucleus transfer John Bertrand Gurdon (1933 - ) Nobel prize in Physiology or medicine 2012
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Somatic cell nuclear transfer Dolly (5 July 1996 – 14 February 2003)
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Cloning Reproductive Therapeutic
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Cloning
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Pluripotency
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iPSC Shinya Yamanaka Kyoto University
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iPS Reprogramming of differentiated cells Pluripotency No immune response Without retroviral vectors Without oncogenes pH? Reproducibility
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Shinya Yamanaka (1962 – ) Nobel prize 2012 – Physiology or medicine
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Malignant transformation Robert Weinberg (1942 - ) Oncogenes Ras Tumor suppressors Rb1
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Hallmarks of cancer Hanahan & Weinberg, Cell, 2000
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Hallmarks of cancer Hanahan & Weinberg, Cell, 2011
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Malignant transformation Bert Vogelstein (1949- ) Vogelgram
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Genometastasis
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www.imbm.sk petercelec@gmail.com
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