期刊
CANCER LETTERS
卷 323, 期 1, 页码 11-19出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.canlet.2012.03.040
关键词
Matrix metalloproteinases (MMPs); Tissue inhibitors of metalloproteinases (TIMPS); Metalloproteinases inhibitors (MMIs); Oral squamous cell carcinomas (OSCC)
类别
Matrix metalloproteinases (MMPs) are proteases responsible for remodeling the extracellular matrix (ECM) and enabling spreading and metastasis of tumor cells, a common phenomenon in oral squamous cell carcinomas (OSCC). They are strongly blocked by several inhibitors, among which we must highlight, for their specificity and potency, the endogenous tissue inhibitors of metalloproteinases (TIMP-1, -2, -3 and -4). The goal of this paper is to describe the expression of TIMPs in OSCC, determining their relation with clinical, histological and prognostic factors, delving into OSCC regulation mechanisms and discussing the use of exogenous TIMPs to treat this type of tumors. Expression of TIMPs in OSCC is higher in tumors than in normal tissue, which correlates with an increase of metastatic risk and regional lymph node affectation. Although some metalloproteinases inhibitors (MMIs) have shown promising results in the treatment of these tumors, their use in OSCC has not been widely tested; and although some indirect MMIs, like COX-2 inhibitors, flavonoids and endostatin seem to have beneficial effects on the invasive capacity of OSCC through regulation of MMPs and TIMP levels, routine clinical use has not been accepted yet. (C) 2012 Elsevier Ireland Ltd. All rights reserved.
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