Cellular acidification as a new approach to cancer treatment and to the understanding and therapeutics of neurodegenerative diseasesTools Harguindey, Salvador, Stanciu, Daniel, Devesa, Jesús, Alfarouk, Khalid, Cardone, Rosa Angela, Polo Orozco, Julian David, Devesa, Pablo, Rauch, Cyril, Orive, Gorka, Anitua, Eduardo, Roger, Sébastien and Reshkin, Stephan J. (2017) Cellular acidification as a new approach to cancer treatment and to the understanding and therapeutics of neurodegenerative diseases. Seminars in Cancer Biology, 43 . pp. 157-179. ISSN 1096-3650 Full text not available from this repository.AbstractDuring the last few years, the understanding of the dysregulated hydrogen ion dynamics and reversed proton gradient of cancer cells has resulted in a new and integral pH-centric paradigm in oncology, a translational model embracing from cancer etiopathogenesis to treatment. The abnormalities of intracellular alkalinization along with extracellular acidification of all types of solid tumors and leukemic cells have never been described in any other disease and now appear to be a specific hallmark of malignancy. As a consequence of this intracellular acid-base homeostatic failure, the attempt to induce cellular acidification using proton transport inhibitors and other intracellular acidifiers of different origins is becoming a new therapeutic concept and selective target of cancer treatment, both as a metabolic mediator of apoptosis and in the overcoming of multiple drug resistance (MDR). Importantly, there is increasing data showing that different ion channels contribute to mediate significant aspects of cancer pH regulation and etiopathogenesis. Finally, we discuss the extension of this new pH-centric oncological paradigm into the opposite metabolic and homeostatic acid-base situation found in human neurodegenerative diseases (HNDDs), which opens novel concepts in the prevention and treatment of HNDDs through the utilization of a cohort of neural and non-neural derived hormones and human growth factors.
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