Abstract
P-glycoprotein (P-gp) is an ATP-driven transmembrane transporter capable of effluxing a wide variety of structurally diverse and functionally unrelated hydrophobic compounds out of the cell. Multidrug resistance (MDR), often associated with the over-expression of P-gp, has been implicated as a major obstacle to effective chemotherapy for cancer, parasitic diseases, AIDS, and other diseases. Drug efflux mediated by P-gp is also involved in decreasing the oral bioavailability of drugs by limiting intestinal absorption. Our appreciation of the structural and functional aspects of P-gp has definitely improved in recent years, benefiting from the deciphering of the structure of some bacterial transporters that paved the way for construction of homology models for more complex transporters. Here, we will review the recent advances in the studies of the structure and functional characteristics of P-gp with the hopes of facilitating rational drug design in developing novel potent MDR modulators.
Keywords: P-glycoprotein (P-gp), Structure, Function, MDR, Chemosensitizers
Current Medicinal Chemistry
Title: The Structure and Functions of P-Glycoprotein
Volume: 17 Issue: 8
Author(s): Y. Li, H. Yuan, K. Yang, W. Xu, W. Tang and X. Li
Affiliation:
Keywords: P-glycoprotein (P-gp), Structure, Function, MDR, Chemosensitizers
Abstract: P-glycoprotein (P-gp) is an ATP-driven transmembrane transporter capable of effluxing a wide variety of structurally diverse and functionally unrelated hydrophobic compounds out of the cell. Multidrug resistance (MDR), often associated with the over-expression of P-gp, has been implicated as a major obstacle to effective chemotherapy for cancer, parasitic diseases, AIDS, and other diseases. Drug efflux mediated by P-gp is also involved in decreasing the oral bioavailability of drugs by limiting intestinal absorption. Our appreciation of the structural and functional aspects of P-gp has definitely improved in recent years, benefiting from the deciphering of the structure of some bacterial transporters that paved the way for construction of homology models for more complex transporters. Here, we will review the recent advances in the studies of the structure and functional characteristics of P-gp with the hopes of facilitating rational drug design in developing novel potent MDR modulators.
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Cite this article as:
Li Y., Yuan H., Yang K., Xu W., Tang W. and Li X., The Structure and Functions of P-Glycoprotein, Current Medicinal Chemistry 2010; 17 (8) . https://dx.doi.org/10.2174/092986710790514507
DOI https://dx.doi.org/10.2174/092986710790514507 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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