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. 2013 Apr 1;9(2):101–110. doi: 10.4161/org.25197

Table 4. Reprogramming of fetal cells and cells from extraembryonic tissues. The table summarizes the major studies on reprogramming fetal cells and cells from extraembryonic tissues using different methods.

Title First Author Year Reprogramming efficiency
Human mid-trimester amniotic fluid stem cells cultured under embryonic stem cell conditions with valproic acid acquire pluripotent characteristics.
Moschidou D73
2013
“VPA treatment significant induces up-regulation of OCT4 (75 ± 12.5%), SOX2 (20.8 ± 4.4%), KLF4 (21 ± 388 3.2%) and C-MYC (32100 ± 320%) compare to non-treated cells.
Valproic Acid Confers Functional Pluripotency to Human Amniotic Fluid Stem Cells in a Transgene-free Approach.
Moschidou D18
2012
“VPA led to an upregulation levels of: OCT4 (from 10.2 ± 0.6 to 79.6 ± 18.30%), NANOG (from 12.2 ± 1.2 to 85.3 ± 5.3%), SOX2 (from 55 ± 8.2 to 164± 22.3%), KLF4 (from 360 ± 19.5 to 705.4 ± 16.2%) and c-MYC (from 26,950 ± 750 to 34,200 ± 350%).”
Generation of human β-thalassemia induced pluripotent stem cells from amniotic fluid cells using a single excisable lentiviral stem cell cassette.
Fan Y76
2012
“The efficiency for generation of iPS was approximately 0.33% in human β-thalassemia AF cells and approximately 0.02% in human β thalassemia skin fibroblast cells.”
Amniotic Fluid Cells Are More Efficiently Reprogrammed to Pluripotency Than Adult Cells.
Galende E74
2010
“AF skin cells formed iPS colonies approximately twice as fast as cultured adult skin.”
Generation of Human Induced Pluripotent Stem Cells from Umbilical Cord Matrix and Amniotic Membrane Mesenchymal Cells.
Cai J77
2009
“up to 0.4% of reprogramming efficiency in iPSCs from mesenchymal cells of umbilical cord matrix; up to 0.1% efficiency in iPSCs from placental amniotic membrane.”
Pluripotency can be rapidly and efficiently induced in human amniotic fluid-derived cells. Li C63 2009 “frequencies for induction of pluripotency in hAFDCs were between 0.059% and 1.525%; all selected iPS colonies hAFDC-derived were OCT4 positive and 90.5% were NANOG positive”