Journal
THERAPEUTIC DELIVERY
Volume 3, Issue 6, Pages 735-747Publisher
FUTURE SCI LTD
DOI: 10.4155/TDE.12.51
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Funding
- Strategic Research Cluster grant under the National Development Plan [07/SRC/B1154]
- EU Structural Funds
- SFI
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Studies concerning the impact that hepatic, renal and intestinal transporters have on drug disposition have been frequently reported in the literature. Surprisingly, however, little is known regarding the distribution and function of drug-transporter proteins of the lung epithelium. Many drugs (delivered to the lung) have a net positive charge and, thus, are potential substrates of organic cation transporters; currently marketed compounds (e.g., ronchodilators), as well as novel drug candidates in development, are such substrates. It is the aim of this review to summarize the current state of organic cation-transporter expression ana-lysis in the lung and in in vitro models of bronchial and alveolar barriers. Moreover, activity of selected transporters in lung epithelium in situ and in vitro will be highlighted, and their potential role in pulmonary drug disposition will be addressed. One example included here is the transporter-dependent absorption of beta(2)-agonists in respiratory epithelial cells.
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