Minimal Concentrations of Retinoic Acid Induce Stimulation by Retinoic Acid 8 and Promote Entry into Meiosis in Isolated Pregonadal and Gonadal Mouse Primordial Germ Cells

Abstract excerpt

In the present study, we demonstrate that minimal concentrations (≤ 1 nM) of retinoic acid (RA), equivalent to the quantity contaminating serum-containing culture medium, are sufficient to promote meiotic entry and progression through meiotic prophase I (MPI) stages in isolated 12.5-days postcoitum (dpc) XX and XY mouse primordial germ cells (PGCs) in culture. Similarly, we found that the same low RA...

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