Abstract:
:Vectorial secretion of cationic compounds across tubular epithelial cells is an important function of the kidney. This uni-directed transport is mediated by two cooperative functions, which are membrane potential-dependent organic cation transporters at the basolateral membranes and H+/organic cation antiporters at the brush-border membranes. More than 10 years ago, the basolateral organic cation transporters (OCT1-3/SLC22A1-3) were isolated, and molecular understandings for the basolateral entry of cationic drugs have been greatly advanced. However, the molecular nature of H+/organic cation antiport systems remains unclear. Recently, mammalian orthologues of the multidrug and toxin extrusion (MATE) family of bacteria have been isolated and clarified to function as H+/organic cation antiporters. In this commentary, the molecular characteristics and pharmacokinetic roles of mammalian MATEs are critically overviewed focusing on the renal secretion of cationic drugs.
journal_name
Biochem Pharmacoljournal_title
Biochemical pharmacologyauthors
Terada T,Inui Kdoi
10.1016/j.bcp.2007.12.008subject
Has Abstractpub_date
2008-05-01 00:00:00pages
1689-96issue
9eissn
0006-2952issn
1873-2968pii
S0006-2952(07)00821-0journal_volume
75pub_type
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pub_type: 杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Biochemical pharmacology
pub_type: 杂志文章
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journal_title:Biochemical pharmacology
pub_type: 杂志文章
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journal_title:Biochemical pharmacology
pub_type: 杂志文章
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pub_type: 杂志文章,评审
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