Abstract:
:Multidrug resistance protein 2 (Mrp2) is considered the major mammalian membrane transporter of non-bile salt organic anions from liver to bile. Using Mrp2-deficient rats, we show that the protein is not essential for biliary excretion of biliverdin, its IIIalpha and XIIIalpha isomers, mesobiliverdin XIIIalpha or biliverdins bearing bulky lipophilic groups that are not reduced by biliverdin reductase in vivo. Yet, Mrp2 deficiency does retard the biliary excretion of these verdins to different degrees. The data indicate that there are Mrp2-independent mechanisms in the rat for biliary excretion of dicarboxylate organic anions related to biliverdin.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
McDonagh AF,Lightner DA,Kar AK,Norona WSdoi
10.1016/S0006-291X(02)00325-Xsubject
Has Abstractpub_date
2002-05-10 00:00:00pages
1077-83issue
3eissn
0006-291Xissn
1090-2104pii
S0006-291X(02)00325-Xjournal_volume
293pub_type
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