This patent covers ways of generating human embryonic stem cells. Some of the claims have priority to the WARF patents.
Essentially the patent teaches that embryonic stem cells can be generated by culture of primordial germ cells in agents such as bFGF, SF and LIF.
The cells described in the patent appear to have all the features of embryonic stem cells including pluripotency and lack of chromosomal abnormalities after extended passage in vitro.
View this patent on the USPTO website.
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Bill Draper said...
The company that has rights to this patent, Stem Cell Innovations, Inc., announced the production of these cells, which have the same properties and possibilities as ES cells, in Vancouver in March 2006.
SCI is developing lines of these pluripotent stem cells called Pluricells. Stanford, MEEI, and ALS in the US, as well as biotech companies and institutions in Europe, are already using or evaluating Pluricells.
Because they are derived from the germinal ridge of fetal tissue they are distinct from ES cells, and do not fall under the US presidential ban so Pluricells are eligible for NIH funding in the US.
News Release:
https://biz.yahoo.com/bw/070109/20070109005131.html?.v=1
SCI Web site:
https://www.stemcellinnovations.com/