Article

Expression of matrix metalloproteinase-2 in serous borderline ovarian tumors is associated with noninvasive implant formation.

Cancer Registry of Norway, Oslo.
European journal of gynaecological oncology (Impact Factor: 0.58). 02/2007; 28(5):356-63.
Source: PubMed

ABSTRACT To investigate matrix metalloproteinase (MMP) proteolytic and vascular endothelial growth factor (VEGF) and receptor (VEGFR-1, VEGFR-2) angiogenetic capacity in serous borderline ovarian tumors (S-BOTs) for women with and without noninvasive implants.
The population was made up of 99 patients with S-BOTs as the primary diagnosis between 1985 and 1995, 44 of whom had noninvasive implants and 55 without implants. MMP-2, MMP-14, the type-2 tissue inhibitor of MMPs (TIMP-2), and VEGF and receptors (VEGFR-1, VEGFR-2) were examined by immunhistochemistry.
Strong positive (+++) MMP-2 staining was found more frequently in women with primary S-BOTs and noninvasive implants (76%) than in those without implants (53%; p < 0.05). In contrast, staining for MMP-14 and TIMP-2 was not significantly different in the two groups. Furthermore, expression of MMP-2, MMP-14, and TIMP-2 was similar in primary tumors and in their noninvasive implants. Most tumors in both groups had no VEGF expression (84% in the noninvasive implant group and 82% in the group without implants), while moderate (++) to strong (+++) expression of VEGFR-1 and VEGFR-2 was detected in 79% and 94% of the two tumor groups, with no significant difference between the groups.
Enhanced MMP-2 was seen in primary S-BOT with noninvasive implants. The presence of noninvasive implants was prognostic for disease-free survival.

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