Journal
JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH
Volume 34, Issue -, Pages -Publisher
BMC
DOI: 10.1186/s13046-015-0204-z
Keywords
pH; Cancer; Proton pump inhibitors; Chemoresistance; Metastasis
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Funding
- Petplan Charitable Trust UK
- Mercedes Castresana Foundation, Vitoria, Spain
- Association for Proton Cancer Research and Treatment (APCRT), Madrid, Spain. King Abdulaziz City for Sciences and Technology, Saudi Arabia [13-MED2515-10, 14-MED1472-10]
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The treatment of cancer presents a clinical challenge both in human and veterinary medicine. Chemotherapy protocols require the use of toxic drugs that are not always specific, do not selectively target cancerous cells thus resulting in many side effects. A recent therapeutic approach takes advantage of the altered acidity of the tumour microenvironment by using proton pump inhibitors (PPIs) to block the hydrogen transport out of the cell. The alteration of the extracellular pH kills tumour cells, reverses drug resistance, and reduces cancer metastasis. Human clinical trials have prompted to consider this as a viable and safe option for the treatment of cancer in companion animals. Preliminary animal studies suggest that the same positive outcome could be achievable. The purpose of this review is to support investigations into the use of PPIs for cancer treatment cancer in companion animals by considering the evidence available in both human and veterinary medicine.
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