ACTN4 and cervical squamous intraepithelial neoplasia: Serum concentrations of ACTN4 were detected to range from 13.38 to 82.67 pg/mL with a mean (±SD) of 48.39 ± 13.98 pg/mL for CC patients, to range from 3.71 to 61.32 ng/mL with a mean (±SD) of 32.72 ± 9.44 pg/mL for CIN patients, and to range from 18.99 to 49.76 ng/mL with a mean (±SD) of 30.84 ± 8.08 pg/mL for healthy controls.