Publication Date:
1996-02-23
Description:
The human Dubin-Johnson syndrome and its animal model, the TR(-) rat, are characterized by a chronic conjugated hyperbilirubinemia. TR(-) rats are defective in the canalicular multispecific organic anion transporter (cMOAT), which mediates hepatobiliary excretion of numerous organic anions. The complementary DNA for rat cmoat, a homolog of the human multidrug resistance gene (hMRP1), was isolated and shown to be expressed in the canalicular membrane of hepatocytes. In the TR(-) rat, a single-nucleotide deletion in this gene resulted in a reduced messenger RNA level and absence of the protein. It is likely that this mutation accounts for the TR(-) phenotype.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paulusma, C C -- Bosma, P J -- Zaman, G J -- Bakker, C T -- Otter, M -- Scheffer, G L -- Scheper, R J -- Borst, P -- Oude Elferink, R P -- New York, N.Y. -- Science. 1996 Feb 23;271(5252):1126-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Gastrointestinal and Liver Diseases, Center for Liver and Intestinal Research, Academic Medical Center, Amsterdam, Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8599091" target="_blank"〉PubMed〈/a〉
Keywords:
ATP-Binding Cassette Transporters/analysis/chemistry/*genetics
;
Amino Acid Sequence
;
Animals
;
Anion Transport Proteins
;
Base Sequence
;
Carrier Proteins/analysis/chemistry/*genetics
;
Cell Membrane/chemistry
;
DNA, Complementary/genetics
;
Frameshift Mutation
;
Humans
;
Hyperbilirubinemia, Hereditary/*genetics
;
Liver/*chemistry/cytology
;
Molecular Sequence Data
;
Molecular Weight
;
Multidrug Resistance-Associated Proteins
;
Phenotype
;
Rats
;
Rats, Wistar
;
Sequence Alignment
;
Sequence Deletion
Print ISSN:
0036-8075
Electronic ISSN:
1095-9203
Topics:
Biology
,
Chemistry and Pharmacology
,
Computer Science
,
Medicine
,
Natural Sciences in General
,
Physics
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