Sun W, Yang XK, Wang DS. Role of Na
+/H
+ exchanger 1 in tumor invasion and metastasis.
Shijie Huaren Xiaohua Zazhi 2010;
18:3443-3447. [DOI:
10.11569/wcjd.v18.i32.3443]
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Abstract
Mammalian Na+/H+ exchanger 1 (NHE1) is a membrane protein that regulates intracellular pH homeostasis by extruding one intracellular proton in exchange for one extracellular sodium. It has been demonstrated that NHE1 expression and activity are increased in tumor cells and contribute to the acidification of extracellular microenvironment. NHE1 and extracellular microenvironment play an important role in tumor invasion. In addition, NHE1 activation is involved in the formation of pseudopodia and invadopodia in tumor cells and therefore increases tumor invasion. Therefore, NHE1 may be a potential target for tumor therapy.
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