alexa Intracellular and extracellular tumor pH measurement in a series of patients with oral cancer.
Gastroenterology

Gastroenterology

Journal of Gastrointestinal & Digestive System

Author(s): Becelli R, Renzi G, Morello R, Altieri F

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Abstract Reversed pH gradient is an intrinsic feature of tumor phenotype resulting from an upregulation of glycolysis. This is crucial for tumor cell proliferation, invasion, metastasis, drug resistance, and apoptosis. Comprehension of mechanisms of pH regulation in tumors is of paramount importance for therapeutic implications. This is a preliminary report of a larger prospective study dedicated to the measurements of neutral or slightly alkaline pH/extracellular pH (pHi/pHe) in human patients affected by tumors of the head and neck. During surgery, four specimens were obtained from six patients with cancer: two from the tumor site and two from contralateral areas or sane areas near the tumor. pHe and pHi were measured and compared within normal and neoplastic tissues. Our data indicate that human spontaneous tumors show similar reversed gradients as observed in previous analysis on animal tumor models and cell lines. This article was published in J Craniofac Surg and referenced in Journal of Gastrointestinal & Digestive System

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