Tumor microenvironment conditions alter Akt and Na + /H + exchanger NHE1 expression in endothelial cells more than hypoxia alone: implications for endothelial cell function in cancer
2017
Background
Chronic angiogenesis is a hallmark of most tumors and takes place in a hostile tumor microenvironment (TME) characterized by hypoxia, low nutrient and glucose levels, elevated lactate and low pH. Despite this, most studies addressing angiogenic signaling use hypoxia as a proxy for tumor conditions. Here, we compared the effects of hypoxia and TME conditions on regulation of the Na+/H+ exchanger NHE1, Ser/Thr kinases Akt1–3, and downstream effectors in endothelial cells.
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