Abstract:Background: Human epididymis protein 4 (HE4), also known as WFDC2, is a member of whey acidic protein (WAP) family with a presumptive role in natural immunity. HE4 expression has been increased in many cancer types, particularly in gynecologic and pulmonary cancers. HE4 has been identified as an important serum biomarker in the diagnosis and monitoring of epithelial ovarian cancer. Recent researches have demonstrated that HE4 levels in serum and tissues are elevated in patients with breast cancer and HE4 is th… Show more
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