Enhanced expression of basolateral multidrug resistance protein isoforms Mrp3 and Mrp5 in rat liver by LPS
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| 024 | 7 | 0 | |a 10.1515/BC.2004.029 |2 doi |
| 035 | |a (NATIONALLICENCE)gruyter-10.1515/BC.2004.029 | ||
| 245 | 0 | 0 | |a Enhanced expression of basolateral multidrug resistance protein isoforms Mrp3 and Mrp5 in rat liver by LPS |h [Elektronische Daten] |c [M. G. Donner, U. Warskulat, N. Saha, D. Häussinger] |
| 520 | 3 | |a Lipopolysaccharide (LPS) induces hepatocellular downregulation and endocytic retrieval of multidrug resistance protein 2 (Mrp2, Abcc2). Basolateral Mrp isoforms may compensate for the intracellular metabolic changes in cholestasis. Therefore, the effect of LPS on the zonal localization of Mrp2 and Mrp3 and the expression of Mrp3, Mrp4, Mrp5, and Mrp6 mRNA were investigated in rat liver. In normal rat liver Mrp3 was found in pericentral hepatocytes also expressing glutamine synthetase. In LPS-treated rat liver the decrease in Mrp2 protein was most pronounced in pericentral hepatocytes, with only minor down-regulation in periportal hepatocytes. Conversely, induction of Mrp3 was found in pericentral hepatocytes with a low expression of Mrp2. Furthermore, we found a strong induction of Mrp5 mRNA. Likewise, Mrp6 mRNA was upregulated, however Mrp6 protein expression was not significantly altered. It is concluded that Mrp3 is inversely regulated to Mrp2 in a zonal pattern and may compensate for the LPSinduced loss of Mrp2 in the perivenous area. Induction of pericentral Mrp3 and upregulation of Mrp5 mRNA may play an important role in the hepatocellular clearance of cholephilic substances and cyclic nucleotides accumulating after LPS treatment. | |
| 540 | |a Copyright © 2004 by Walter de Gruyter GmbH & Co. KG | ||
| 690 | 7 | |a Biochemistry |2 nationallicence | |
| 690 | 7 | |a Molecular biology |2 nationallicence | |
| 690 | 7 | |a Cellular biology |2 nationallicence | |
| 700 | 1 | |a Donner |D M. G. |4 aut | |
| 700 | 1 | |a Warskulat |D U. |4 aut | |
| 700 | 1 | |a Saha |D N. |4 aut | |
| 700 | 1 | |a Häussinger |D D. |4 aut | |
| 773 | 0 | |t Biological Chemistry |d Walter de Gruyter |g 385/3-4(2004-04-13), 331-339 |x 1431-6730 |q 385:3-4<331 |1 2004 |2 385 |o bchm | |
| 856 | 4 | 0 | |u https://doi.org/10.1515/BC.2004.029 |q text/html |z Onlinezugriff via DOI |
| 908 | |D 1 |a research article |2 jats | ||
| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1515/BC.2004.029 |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Donner |D M. G. |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Warskulat |D U. |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Saha |D N. |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Häussinger |D D. |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Biological Chemistry |d Walter de Gruyter |g 385/3-4(2004-04-13), 331-339 |x 1431-6730 |q 385:3-4<331 |1 2004 |2 385 |o bchm | ||
| 900 | 7 | |b CC0 |u http://creativecommons.org/publicdomain/zero/1.0 |2 nationallicence | |
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 949 | |B NATIONALLICENCE |F NATIONALLICENCE |b NL-gruyter | ||