Matrix metalloproteinases are elevated in the urine of patients with endometriosis.
Becker CM., Louis G., Exarhopoulos A., Mechsner S., Ebert AD., Zurakowski D., Moses MA.
In a prospective, blinded, longitudinal study MMP-2, MMP-9, and MMP-9/neutrophil gelatinase-associated lipocalin were significantly more likely to be detected in the urine of patients with endometriosis than in controls.