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Expression of matrix metalloproteinase-2 in preinvasive and invasive carcinoma of the uterine cervix
1Departments of Pathology, Gynecologic Oncology Unit, Ain Shams University, Cairo, Egypt
2Departments of Obstetrics & Gynecology, Gynecologic Oncology Unit, Ain Shams University, Cairo, Egypt
*Corresponding Author(s): I.K.1. El-Lamie E-mail:
Purpose: To study the immunohistochemical expression of matrix metalloproteinase-2 (MMP-2) in preinvasive and invasive carcinoma of the uterine cervix so as to demonstrate whether the expression of MMP-2 is an early or late event in the process of dedifferentiation and cancer progression.
Methods: A total number of 50 samples of cervical tissue were studied for MMP-2 immunoreactivity. The cases were selected to include ten normal cases used as a control group, 20 CIN cases and 20 cervical carcinoma cases. The CIN group was subdivided into CIN1 (n = 7), CIN2 (n = 6) and CIN3 (n = 7), while the carcinoma group was represented by squamous cell carcinoma (n = 16) and adenocarcinoma (n = 4).
Results: MMP-2 expression was totally absent in control cervices and low-grade squamous intraepithelial lesions, while high-grade squamous intraepithelial neoplasia and invasive carcinoma showed up-regulation of MMP-2 expression with no significant difference concerning the type of carcinoma. This overexpression of MMP-2 points to the possibility that it is an early marker of tumor progression in cervical carcinoma.
Conclusions: MMP-2 has a key role in extracellular matrix degradation and invasion in carcinoma of the uterine cervix. Its expression in high-grade squamous intraepithelial lesions may denote a potential risk for invasion and metastasis.
Metastasis; MMP-2; CIN; Cervical carcinoma
M.A. Mohamed Nasr,S.B. Ayyad,I.K.1. El-Lamie,M.Y. Mikhail. Expression of matrix metalloproteinase-2 in preinvasive and invasive carcinoma of the uterine cervix. European Journal of Gynaecological Oncology. 2005. 26(2);199-202.
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