Figure 2.
Expression of cyclin A1 in maturating oocytes at the protein level A. Cyclin A1 expression in testis was examined to confirm the antibody in a cyclin A1 positive tissue. B. Cyclin A1 expression was detected in oocytes, at various maturating stages. Arrow: oocyte close to ovulation; arrow head: oocyte at an earlier maturating stage; stars: fimbriae of the fallopian tube. C. Background (or non-specific) staining of the ovary without primary cyclin A1 antibody.