OVARIAN CANCER MARKER AND OVARIAN CANCER DETECTION METHOD

摘要

Provided are: an ovarian cancer marker, i.e., a glycoprotein, which has high sensitivity and specificity and enables the easy discrimination of ovarian cancer from endometriosis; and an ovarian cancer detection method using the ovarian cancer marker. An ovarian cancer marker which comprises a glycoprotein containing α-chains of a complement factor 4-binding protein, said marker being characterized in that at least one of the α-chains has one or more N-binding sugar chains and at least one of the N-binding sugar chains contains an equal number of galactose moieties and sialic acid moieties.