Late onset of spermatogenesis and gain of fertility in POG-deficient mice indicate that POG is not necessary for the proliferation of spermatogonia.

Abstract excerpt

The germ cell-deficient (gcd) mouse mutation is a recessive, transgenic insertional mutation associated with the disruption of two Chr11 genes, Pog (proliferation of germ cells) and Vrk2 (vaccinia virus-related protein kinase 2). We have recently shown that like gcd/gcd mice, targeted Pog-/- males and females show virtually no spermatogenesis or oogenesis at 4-6 wk of age. Because Pog is deleted in gcd/gcd and...

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