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Yoshiki Sasai (笹井 芳樹, Sasai Yoshiki, 5 March 1962 – 5 August 2014) was a Japanese stem cell biologist.He developed methods to guide human embryonic stem cells (hESCs) into forming brain cortex, eyes (optic cups), and other organs in tissue culture.
Haruko Obokata (小保方 晴子, Obokata Haruko, born 1983) is a former stem-cell biologist and research unit leader at Japan's Laboratory for Cellular Reprogramming, Riken Center for Developmental Biology.
In July 2014, during a scandal involving Japanese stem cell researcher Haruko Obokata fabricating data, doctoring images, and plagiarizing the work of others, Yamanaka faced public scrutiny for his associated work lacking full documentation. Yamanaka denied manipulating images in his papers on embryonic mouse stem cells, but he could not find ...
Katsuhiko Hayashi (林 克彥, Hayashi Katsuhiko, born 1972) is a Japanese reproductive geneticist and stem cell researcher. [1] He achieved same-sex reproduction of male mice and thus ranked Nature's 10. [2] He has been studying the mechanism by which germ cells that transmit genetic information to the next generation are produced.
Masayo Takahashi (高橋 政代, Takahashi Masayo, born June 23, 1961) is a Japanese medical physician, ophthalmologist and stem cell researcher.. Takahashi serves as a project research leader at the Riken Center for Developmental Biology in Kobe focusing on the clinical application of iPS Cell (induced Pluripotent Stem Cell) technology on macular degeneration.
Induced pluripotent stem cells were first generated by Shinya Yamanaka and Kazutoshi Takahashi at Kyoto University, Japan, in 2006. [1] They hypothesized that genes important to embryonic stem cell (ESC) function might be able to induce an embryonic state in adult cells.
In 2021, Nishimura showed that stem cells in the skin are important in the regeneration. [5] Skin stem cells (keratinocyte stem cells) promote re-epithelialisation, and older stem cells are less mobile. Her work showed that in older stem cells the epidermal growth factor receptor is diminished, which results in the degradation of COL17A1. She ...
The Stem Cell Research Enhancement Act was the name of two similar bills, and both were vetoed by President George W. Bush and were not enacted into law. New Jersey congressman Chris Smith wrote the Stem Cell Therapeutic and Research Act of 2005, which made some narrow exceptions, and was signed into law by President Bush.