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7.344 The Fountain of Life: From Dolly to Customized Embryonic Stem Cells (MIT) 7.344 The Fountain of Life: From Dolly to Customized Embryonic Stem Cells (MIT)

Description

During development, the genetic content of each cell remains, with a few exceptions, identical to that of the zygote. Most differentiated cells therefore retain all of the genetic information necessary to generate an entire organism. It was through pioneering technology of somatic cell nuclear transfer (SCNT) that this concept was experimentally proven. Only 10 years ago the sheep Dolly was the first mammal to be cloned from an adult organism, demonstrating that the differentiated state of a mammalian cell can be fully reversible to a pluripotent embryonic state. A key conclusion from these experiments was that the difference between pluripotent cells such as embryonic stem (ES) cells and unipotent differentiated cells is solely a consequence of reversible changes. These changes, which hav During development, the genetic content of each cell remains, with a few exceptions, identical to that of the zygote. Most differentiated cells therefore retain all of the genetic information necessary to generate an entire organism. It was through pioneering technology of somatic cell nuclear transfer (SCNT) that this concept was experimentally proven. Only 10 years ago the sheep Dolly was the first mammal to be cloned from an adult organism, demonstrating that the differentiated state of a mammalian cell can be fully reversible to a pluripotent embryonic state. A key conclusion from these experiments was that the difference between pluripotent cells such as embryonic stem (ES) cells and unipotent differentiated cells is solely a consequence of reversible changes. These changes, which hav

Subjects

embryonic stem cells | embryonic stem cells | stem cells | stem cells | cells | cells | genetics | genetics | genome | genome | Dolly | Dolly | clone | clone | regenerative therapy | regenerative therapy | somatic | somatic | SCNT | SCNT | pluripotent | pluripotent | scientific literature | scientific literature | nuclear | nuclear | embryonic | embryonic | adult | adult | epigenetics | epigenetics | methylation | methylation | DNA | DNA | histone | histone | biomedical | biomedical | differentiation | differentiation | epigenome | epigenome | nuclear transfer | nuclear transfer | customized | customized | zygote | zygote | RNA | RNA | cancer | cancer | medicine | medicine

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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7.344 The Fountain of Life: From Dolly to Customized Embryonic Stem Cells (MIT)

Description

During development, the genetic content of each cell remains, with a few exceptions, identical to that of the zygote. Most differentiated cells therefore retain all of the genetic information necessary to generate an entire organism. It was through pioneering technology of somatic cell nuclear transfer (SCNT) that this concept was experimentally proven. Only 10 years ago the sheep Dolly was the first mammal to be cloned from an adult organism, demonstrating that the differentiated state of a mammalian cell can be fully reversible to a pluripotent embryonic state. A key conclusion from these experiments was that the difference between pluripotent cells such as embryonic stem (ES) cells and unipotent differentiated cells is solely a consequence of reversible changes. These changes, which hav

Subjects

embryonic stem cells | stem cells | cells | genetics | genome | Dolly | clone | regenerative therapy | somatic | SCNT | pluripotent | scientific literature | nuclear | embryonic | adult | epigenetics | methylation | DNA | histone | biomedical | differentiation | epigenome | nuclear transfer | customized | zygote | RNA | cancer | medicine

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see https://ocw.mit.edu/terms/index.htm

Site sourced from

https://ocw.mit.edu/rss/all/mit-alllifesciencescourses.xml

Attribution

Click to get HTML | Click to get attribution | Click to get URL

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See all metadata