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Current Pharmaceutical Design


ISSN (Print): 1381-6128
ISSN (Online): 1873-4286

PI3K/Akt Signalling Pathway Specific Inhibitors: A Novel Strategy to Sensitize Cancer Cells to Anti-Cancer Drugs

Author(s): Marco Falasca

Volume 16, Issue 12, 2010

Page: [1410 - 1416] Pages: 7

DOI: 10.2174/138161210791033950

Price: $65


The resistance of many types of cancer to chemotherapies represents the major hurdle in successful cancer treatment. Cancer cells can escape the toxic effect of most commonly used drugs despite their different chemical structure and intracellular targets. The mechanisms underlying the failure of chemotherapeutic drugs have been well studied. Here I review the role of a signalling pathway activated by the lipid kinase phosphoinositide 3-kinase (PI3K) and the serine/threonine kinase, protein kinase B (PKB) or Akt, in chemotherapeutic resistance. Activation of this pathway plays a key role in different cellular functions such as growth, migration, survival and differentiation. Data accumulated in the last decade have established that this pathway plays a key role in cancer development and progression. More recently it has been shown that this pathway plays also a key role in resistance to chemotherapy. Therefore drugs designed to specifically target this pathway are under development to be used as single agent and in combination to chemotherapy to overcome therapeutic resistance.

Keywords: Chemotherapy, signal transduction, drug resistance, phosphoinositide 3-kinase, protein kinase B/Akt

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