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Updated: Jun 21, 2026
12:59
Derivation of Stem Cell Lines from Mouse Preimplantation Embryos
Published on: August 20, 2017
RETRACTION - In Vitro Derivation of Human Sperm from Embryonic Stem Cells
Karim Nayernia1, Jae Ho Lee, Majlinda Lako
1NESCI/Institute of Human Genetics, Newcastle University, United Kingdom; karim.nayernia@ncl.ac.uk.
Stem Cells and Development
|July 9, 2009
Abstract:
This article, "In Vitro Derivation of Human Sperm from Embryonic Stem Cells," is being retracted from Stem Cells and Development. Further details will follow online, and in a subsequent issue of the Journal.
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00:57Embryonic Stem Cells
Embryonic stem (ES) cells were first discovered in mice in 1981 by Martin Evans. In 1998, James Thomson identified a method to isolate embryonic stem cells from humans. Human embryonic stem cells (hESCs) are obtained from 3-5 day old embryos that remain unused after an in vitro fertilization procedure.
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...
00:58Embryonic Stem Cells
Embryonic stem (ES) cells are undifferentiated pluripotent cells, meaning they can produce any cell type in the body. This gives them tremendous potential in science and medicine since they can generate specific cell types for use in research or to replace body cells lost due to damage or disease.