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Year : 2015  |  Volume : 16  |  Issue : 2  |  Page : 72-73  

Stem cell timeline


Date of Web Publication23-Jun-2015

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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1995-705X.159230

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How to cite this article:
Coghlan A. Stem cell timeline. Heart Views 2015;16:72-3

How to cite this URL:
Coghlan A. Stem cell timeline. Heart Views [serial online] 2015 [cited 2023 Oct 2];16:72-3. Available from: https://www.heartviews.org/text.asp?2015/16/2/72/159230

1981 Mouse beginnings

Martin Evans of Cardiff University, UK, then at the University of Cambridge, is first to identify embryonic stem cells - in mice.

1997 Dolly the sheep

Ian Wilmut and his colleagues at the Roslin Institute, Edinburgh unveil Dolly the sheep, the first artificial animal clone. The process involves fusing a sheep egg with an udder cell and implanting the resulting hybrids into a surrogate mother sheep. Researchers speculate that similar hybrids made by fusing human embryonic stem cells with adult cells from a particular person could be used to create genetically matched tissue and organs.

1998 Stem cells go human

James Thomson of the University of Wisconsin in Madison and John Gearhart of Johns Hopkins University in Baltimore, respectively, isolate human embryonic stem cells and grow them in the lab.

2001 Bush controversy

US president George W. Bush limits federal funding of research on human embryonic stem cells because a human embryo is destroyed in the process. But Bush does allow continued research on human embryonic stem cells lines that were created before the restrictions were announced.

2005 Fraudulent clones

Woo Suk Hwang of Seoul National University in South Korea reports that his team has used therapeutic cloning - a technique inspired by the one used to create Dolly - to create human embryonic stem cells genetically matched to specific people. Later that year, his claims turn out to be false.

2006 Cells reprogrammed

Shinya Yamanaka of Kyoto University in Japan reveals a way of making embryonic-like cells from adult cells - avoiding the need to destroy an embryo. His team reprograms ordinary adult cells by inserting four key genes - forming "induced pluripotent stem cells".

2007 Nobel prize

Evans shares the Nobel prize for medicine with Mario Capecchi and Oliver Smithies for work on genetics and embryonic stem cells.

2009 Obama-power

President Barack Obama lifts 2001 restrictions on federal funding for human embryonic stem cell research.

2010 Spinal injury

A person with spinal injury becomes the first to receive a medical treatment derived from human embryonic stem cells as part of a trial by Geron of Menlo Park, California, a pioneering company for human embryonic stem cell therapies.

2012 Blindness treated

Human embryonic stem cells show medical promise in a treatment that eases blindness.

2012 Another Nobel

Yamanaka wins a Nobel prize for creating induced pluripotent stem cells, which he shares with John Gurdon of the University of Cambridge.

2013 Therapeutic cloning

Shoukhrat Mitalipov at the Oregon National Primate Research Center in Beaverton and his colleagues produce human embryonic stem cells from fetal cells using therapeutic cloning - the breakthrough falsely claimed in 2005.

2014 Pre-embryonic state

Charles Vacanti of Harvard Medical School together with Haruko Obokata at the Riken Center for Developmental Biology in Kobe, Japan, and colleagues announced a revolutionary discovery that any cell can potentially be rewound to a pre-embryonic state - using a simple, 30-minute technique.

2014 Therapeutic cloning - with adult cells

Teams led by Dieter Egli of the New York Stem Cell Foundation and Young Gie Chung from CHA University in Seoul, South Korea, independently produce human embryonic stem cells from adult cells, using therapeutic cloning. Egli's team use skin cells from a woman with diabetes and demonstrate that the resulting stem cells can be turned into insulin-producing beta cells. In theory, the cells could be used to replace those lost to the disease.

2014 Human trials

Masayo Takahashi at the same Riken centre is due to select patients for what promises to be the world's first trial of a therapy based on induced pluripotent stem cells, to treat a form of age-related blindness.

Source: http://www.newscientist.com/article/dn24970-stem-cell-timeline-the-history-of-a-medical-sensation.html#.VX6e8L3frOU

Updated 16:00 29 April 2014 by Andy Coghlan

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