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James Thomson (cell biologist)
James Alexander Thomson (born December 20, 1958) is an American developmental biologist best known for deriving the first human embryonic stem cell (SC) line in 1998 〔("Embryonic Stem Cell Lines Derived from Human Blastocysts" ), ''Science'', November 6, 1998.〕 and for deriving human induced pluripotent stem (iPS) cells in 2007.〔("Induced Pluripotent Stem Cell Lines Derived from Human Somatic Cells ), Yu, J. et al., ''Science'' 2007, 318, 1917-1920.〕
==Thomson's research==
Human embryonic stem cells can divide without limit, and yet maintain the potential to make all the cells of the body. This remarkable potential makes them useful for basic research on the function of the human body, for drug discovery and testing, and as a source of cells and tissues for transplantation medicine. In 1998, Thomson’s Lab was the first to report the successful isolation of human embryonic stem cells. On November 6, 1998, ''Science'' published this research in an article titled "Embryonic Stem Cell Lines Derived from Human Blastocysts", results which ''Science'' later featured in its “Scientific Breakthrough of the Year” article, 1999.〔("Breakthrough of the Year: Capturing the Promise of Youth" ), Vogel, G., ''Science'' 2009, 286, 2238-2239.〕
In spite of their great medical potential, however, human embryonic stem cells generated enormous controversy because their derivation involved the destruction of a human embryo. In 2007, Thomson’s group (contemporaneously with Dr. Shinya Yamanaka) reported a method for converting human skin cells into cells that very closely resemble human embryonic stem cells. Published in ''Science'' in late 2007 in an article titled "Induced Pluripotent Stem Cell Lines Derived from Human Somatic Cells", the results garnered international attention for potentially ending the ethical controversy surrounding human embryonic stem cell research.〔("Man Who Helped Start Stem Cell War May End It" ), ''New York Times'', November 22, 2007.〕〔("Induced Pluripotent Stem Cell Lines Derived from Human Somatic Cells ), Yu, J. et al., ''Science'' 2007, 318, 1917-1920.〕 Science later featured induced pluripotent stem cells in its “Scientific Breakthrough of the Year” article, 2008.〔("Breakthrough of the Year: Reprogramming Cells" ), Vogel, G., ''Science'' 2008, 332, 1739-1894.〕
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