Abstract
Potassium channels constitute a large and heterogeneous family with more than eighty genes which encode membrane proteins that control membrane potential. In addition to nerve and cardiac action potential, these proteins are involved in a number of physiological processes including volume regulation, apoptosis, immunomodulation and differentiation. Many potassium channels have been related to proliferation and cell-cycle progression in mammalian cell lines and certain potassium channels show impaired expression in cancer cells and tumours. In addition, in some cases a correlation has been established between the protein expression levels and the grade of malignancy of the tumour. Many drugs have been found to inhibit both K+ channel activity and cell-cycle progression. Since potassium channels may play a pivotal role in tumour cell proliferation, these proteins should be taken into account when designing new cancer treatment strategies. The increasing list of recent patents, covered in this review, shows the relevance of this emergent subject.
Keywords: Cell proliferation, potassium channels, pharmacological therapies, cancer, potassium channel blockers, antineoplastic drugs
Recent Patents on Anti-Cancer Drug Discovery
Title: Potassium Channels are a New Target Field in Anticancer Drug Design
Volume: 2 Issue: 3
Author(s): Nuria Villalonga, Joan C. Ferrere, Josep M. Argiles, Enric Condom and Antonio Felipe
Affiliation:
Keywords: Cell proliferation, potassium channels, pharmacological therapies, cancer, potassium channel blockers, antineoplastic drugs
Abstract: Potassium channels constitute a large and heterogeneous family with more than eighty genes which encode membrane proteins that control membrane potential. In addition to nerve and cardiac action potential, these proteins are involved in a number of physiological processes including volume regulation, apoptosis, immunomodulation and differentiation. Many potassium channels have been related to proliferation and cell-cycle progression in mammalian cell lines and certain potassium channels show impaired expression in cancer cells and tumours. In addition, in some cases a correlation has been established between the protein expression levels and the grade of malignancy of the tumour. Many drugs have been found to inhibit both K+ channel activity and cell-cycle progression. Since potassium channels may play a pivotal role in tumour cell proliferation, these proteins should be taken into account when designing new cancer treatment strategies. The increasing list of recent patents, covered in this review, shows the relevance of this emergent subject.
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Villalonga Nuria, Ferrere C. Joan, Argiles M. Josep, Condom Enric and Felipe Antonio, Potassium Channels are a New Target Field in Anticancer Drug Design, Recent Patents on Anti-Cancer Drug Discovery 2007; 2 (3) . https://dx.doi.org/10.2174/157489207782497181
DOI https://dx.doi.org/10.2174/157489207782497181 |
Print ISSN 1574-8928 |
Publisher Name Bentham Science Publisher |
Online ISSN 2212-3970 |
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In recent years, traditional cancer treatments, such as surgery, chemotherapy, and radiation treatment, etc., may damage the pathological tissue and normal cells. The ideal tumor treatment should be noninvasive, eliminating the primary tumor, making the body produce systemic tumor-specific immunity, eliminating metastases, and having less /no side effects. Recent Patents ...read more
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