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Human embryos frozen for 18 years yield viable stem cells suitable for biomedical research

Date:
August 13, 2012
Source:
Mary Ann Liebert, Inc., Publishers
Summary:
Even after being frozen for 18 years, human embryos can be thawed, grown in the laboratory, and successfully induced to produce human embryonic stem (ES) cells, which represent a valuable resource for drug screening and medical research.

Even after being frozen for 18 years, human embryos can be thawed, grown in the laboratory, and successfully induced to produce human embryonic stem (ES) cells, which represent a valuable resource for drug screening and medical research. Prolonged embryonic cryopreservation as an alternative source of ES cells is the focus of an article in BioResearch Open Access, a new bimonthly peer-reviewed open access journal from Mary Ann Liebert, Inc.. The article is available free online at the BioResearch Open Access website.

Kamthorn Pruksananonda and coauthors from Chulalongkorn University and Chulalongkorn Memorial Hospital, Bangkok, Thailand, demonstrated that ES cells derived from frozen embryos have a similar ability to differentiate into multiple cell types -- a characteristic known as pluripotency -- as do ES cells derived from fresh embryos.

"The importance of this study is that it identifies an alternative source for generating new embryonic stem lines, using embryos that have been in long-term storage," says Editor-in-Chief Jane Taylor, PhD, MRC Centre for Regenerative Medicine, University of Edinburgh, Scotland.


Story Source:

The above story is based on materials provided by Mary Ann Liebert, Inc., Publishers. Note: Materials may be edited for content and length.


Journal Reference:

  1. Kamthorn Pruksananonda, Ruttachuk Rungsiwiwut, Pranee Numchaisrika, Vichuda Ahnonkitpanit, Nipan Isarasena, and Pramuan Virutamasen. Eighteen-Year Cryopreservation Does Not Negatively Affect the Pluripotency of Human Embryos: Evidence from Embryonic Stem Cell Derivation. BioResearch, August 2012, 1(4): 166-173 DOI: 10.1089/biores.2012.0242

Cite This Page:

Mary Ann Liebert, Inc., Publishers. "Human embryos frozen for 18 years yield viable stem cells suitable for biomedical research." ScienceDaily. ScienceDaily, 13 August 2012. <www.sciencedaily.com/releases/2012/08/120813103302.htm>.
Mary Ann Liebert, Inc., Publishers. (2012, August 13). Human embryos frozen for 18 years yield viable stem cells suitable for biomedical research. ScienceDaily. Retrieved October 21, 2014 from www.sciencedaily.com/releases/2012/08/120813103302.htm
Mary Ann Liebert, Inc., Publishers. "Human embryos frozen for 18 years yield viable stem cells suitable for biomedical research." ScienceDaily. www.sciencedaily.com/releases/2012/08/120813103302.htm (accessed October 21, 2014).

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