学術雑誌論文 Integrated functions of membrane-type 1 matrix metalloproteinase in regulating cancer malignancy: Beyond a proteinase

Sakamoto, Takeharu  ,  Seiki, Motoharu

108 ( 6 )  , pp.1095 - 1100 , 2017-06-01 , Japanese Cancer Association = 日本癌学会 / Blackwell Publishing Ltd
ISSN:1347-9032
NII書誌ID(NCID):AA11808050
内容記述
Membrane-type 1 matrix metalloproteinase (MT1-MMP) is expressed in different types of invasive and proliferative cells, including cancer cells and stromal cells. MT1-MMP cleaves extracellular matrix proteins, membrane proteins and other pericellular proteins, thereby changing the cellular microenvironment and regulating signal activation. Critical roles of protease activity in cancer cell proliferation, invasion and metastasis have been demonstrated by many groups. MT1-MMP also has a non-protease activity in that it inhibits the oxygen-dependent suppression of hypoxia-inducible factors (HIFs) via Munc18-1-interacting protein 3 (Mint3) and thereby enhances the expression of HIF target genes. Elevated HIF activity in MT1-MMP-expressing cancer cells is a fundamental mechanism underlying the Warburg effect, a well-known phenomenon where malignant cancer cells exhibit a higher rate of glucose metabolism. Because specific intervention of HIF activation by MT1-MMP suppresses tumor formation by cancer cells in mice, both the proteolytic and non-proteolytic activities of MT1-MMP are important for tumor malignancy and function in an integrated manner. In this review, we summarize recent findings relating to how MT1-MMP activates HIF and its effects on cancer cells and stromal cells. © 2017 The Authors. Cancer Science published by John Wiley & Sons Australia, Ltd on behalf of Japanese Cancer Association.
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