alexa Differential Associations of MMP-2 and MMP-14 with Stro
ISSN: 1747-0862

Journal of Molecular and Genetic Medicine
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Research Article

Differential Associations of MMP-2 and MMP-14 with Stromal Amounts and T lymphocyte Presence in Ovarian Cancer

M Caroline Vos1*, Elise Bekers2, Brenda L Den Oudsten3, Ella de Boed2, Anneke A M van der Wurff2, Toin H van Kuppevelt4, Katarina Wolf5 and Leon F A G Massuger6

1Department of Obstetrics and Gynaecology, ElisabethTweesteden Hospital, The Netherlands

2Department of Pathology, ElisabethTweesteden Hospital, The Netherlands

3Department of Medical and Clinical Psychology, Tilburg University, The Netherlands

4Department of Biochemistry, Nijmegen Centre for Molecular Life Sciences, Radboud University Medical Center, the Netherlands

5Department of Cell Biology, Radboud Institute for Molecular Life Sciences, The Netherlands

6Department of Obstetrics and Gynaecology, Radboud University Medical Center, The Netherlands

Corresponding Author:
M. Caroline Vos
Department of Obstetrics and Gynaecology
ElisabethTweesteden Hospital, 5000 LC Tilburg, The Netherlands
Tel: 0031135392591
Fax: 0031135351513
E-mail: [email protected]

Received date: October 05, 2015; Accepted date: January 20, 2016; Published date: January 25, 2016

Citation: Vos MC, Bekers B, Oudsten BLD, Boed E, Wurff AAM, et al. (2016) Differential Associations of MMP-2 and MMP-14 with Stromal Amounts and T-lymphocyte Presence in Ovarian Cancer. J Mol Genet Med 10:201. doi:10.4172/1747-0862.1000201

Copyright: © 2016 Vos MC, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Aim: Ovarian cancer prognosis is influenced by factors such as intratumoral T-lymphocyte presence and the amount of stroma formation relative to the epithelial tumor compartment. The regulation of these factors is unknown. Matrix metalloproteinases are involved in stromal remodeling and may be involved in T-cell trafficking as well. This study investigates the quantitative relationships between the matrix metalloproteinases MMP-2 and MMP-14 and both relative stroma amounts (‘stroma percentage’) and the presence of T lymphocytes in the stromal and epithelial compartments of ovarian cancer.

Patients and methods: In 86 patients with ovarian cancer, MMP-2 and MMP-14 expression and T-lymphocyte presence was determined using semi quantitative immunohistochemistry. Stroma percentage was determined by area calculation in haematoxylin eosin slides. Per slide, 3 random images at the tumor-stroma interface were investigated.

Results: Epithelial MMP-14 scoring correlated negatively with T-lymphocytes in tumor epithelium: correlation coefficient rho −0.36 (p < 0.01) for CD3, −0.30 (p < 0.01) for CD8 and −0.24 (p < 0.05) for CD45Ro. Stromal MMP-2 was positively related to stroma percentage (rho 0.29; p < 0.01). No significant correlations were found for MMP-14 with stromal amounts, or MMP-2 with T-cell presence in stroma or tumor epithelium.

Conclusion: Opposite to our hypothesis that MMPs reduce stromal amounts and permit T cell trafficking into both stromal and epithelial tumor parts, MMP expression was associated with higher relative stromal amounts and lower presence of T lymphocytes. In particular, we found that epithelial MMP-14 expression was negatively associated with T-lymphocyte presence in the tumor suggesting a role for MMP-14 in negatively regulating T-cell trafficking by other means. Stromal MMP-2 expression was associated with an increase in stromal amounts suggesting an ineffective feedback on tumor stroma volume growth of the expression of this gelatinase. More research is necessary to determine the specific actions of MMPs in ovarian cancer.


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