Journal
TRENDS IN PHARMACOLOGICAL SCIENCES
Volume 26, Issue 8, Pages 385-387Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tips.2005.06.001
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Funding
- NCI NIH HHS [Z01 BC010030-10] Funding Source: Medline
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Intercellular transfer of proteins is a mode of communication between cells that is crucial for certain physiological processes. Chemotherapy is the treatment of choice for similar to 50% of all cancers. However, multidrug resistance mediated by drug-efflux pumps such as P-glycoprotein (Pgp) minimizes the effectiveness of such therapy in a large number of patients. A new study demonstrates the functional intercellular transfer of Pgp. Non-genetic transfer of the multidrug resistance phenotype raises fascinating questions about the mechanism and regulation of cell-surface membrane-protein-mediated spread of traits.
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