Oct4 and Boule in male germ cells from prepubertal cats after vitrification and culture.

<p>(A) Oct4 expression in the nucleus of pre-meiotic cell, (B) nucleus of pre-meiotic cell stained with Hoechst, (C) pre-meiotic cell merged images, (D) Boule expression in the cytoplasm of meiotic cell, (E) nucleus of meiotic cell stained with Hoechst, (F) meiotic cell merged images. Bar = 5 μm.</p>