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Deleted in Azoospermia-Like (DAZL) gene-expressing cells in human amniotic fluid: a new source for germ cells research?
Authors
K. Stefanidis Loutradis, D. Koumbi, L. Anastasiadou, V. Dinopoulou, V. Kiapekou, E. Lavdas, A.A. Mesogitis, S. Antsaklis, A.
Publication date
1 January 2008
Publisher
Abstract
Objective: To evaluate whether amniotic fluid cells contain a germ-like cell subpopulation. Design: Experimental study. Setting: University hospital. Patient(s): None. Intervention(s): Cells from human amniotic fluid samples were analyzed for messenger RNA expression of Deleted in Azoospermia-Like gene (DAZL) and Oct-4 by reverse transcriptase polymerase chain reaction. DAZL and C-kit protein expression was assessed by flow cytometry. Immunocytochemistry also was performed to determine DAZL-, stage-specific embryonic antigen 4 (SSEA-4)-, and Oct-4-positive cells. Main Outcome Measure(s): DAZL gene expression in amniotic fluid cells. Result(s): Reverse transcriptase polymerase chain reaction, flow cytometric, and immunocytochemical analyses revealed that human amniotic fluid consists of a distinct cell population that expresses DAZL, C-kit, SSEA-4, and Oct-4. Conclusion(s): Our results suggest that human amniotic fluid represents a new source for the isolation of human DAZL-, C-kit-, SSEA-4-, and Oct-4-positive stem cells without raising the ethical issues associated with human embryonic research. © 2008 American Society for Reproductive Medicine
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Last time updated on 10/02/2023