Four biomarkers with significant relevance to ovarian cancer including carbohydrate antigen 125 (CA125), human epididymis protein 4 (HE4), matrix metalloproteinase-7 (MMP-7) and Cancer Antigen 72-4 (CA72-4) were tested with this device using serum and plasma samples. The gene discussed is MMP7; the disease is ovarian carcinoma.