RGD Reference Report - Apolipoprotein A-V: a novel apolipoprotein associated with an early phase of liver regeneration. - Rat Genome Database

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Apolipoprotein A-V: a novel apolipoprotein associated with an early phase of liver regeneration.

Authors: Van der Vliet, HN  Sammels, MG  Leegwater, AC  Levels, JH  Reitsma, PH  Boers, W  Chamuleau, RA 
Citation: van der Vliet HN, etal., J Biol Chem 2001 Nov 30;276(48):44512-20.
RGD ID: 70662
Pubmed: PMID:11577099   (View Abstract at PubMed)
DOI: DOI:10.1074/jbc.M106888200   (Journal Full-text)

Liver regeneration in response to various forms of liver injury is a complex process, which ultimately results in restoration of the original liver mass and function. Because the underlying mechanisms that initiate this response are still incompletely defined, this study was aimed to identify novel factors. Liver genes that were up-regulated 6 h after 70% hepatectomy (PHx) in the rat were selected by cDNA subtractive hybridization. Besides known genes associated with cell proliferation, several novel genes were isolated. The novel gene that was most up-regulated was further studied. Its mRNA showed a liver-specific expression and encoded a protein comprising 367 amino acids. The mouse and human cDNA analogues were also isolated and appeared to be highly homologous. The human gene analogue was located at an apolipoprotein gene cluster on chromosome 11q23. The protein encoded by this gene had appreciable homology with apolipoproteins A-I and A-IV. Maximal expression of the gene in the rat liver and its gene product in rat plasma was observed 6 h after PHx. The protein was present in plasma fractions containing high density lipoprotein particles. Therefore, we have identified a novel apolipoprotein, designated apolipoprotein A-V, that is associated with an early phase of liver regeneration.

Gene Ontology Annotations    Click to see Annotation Detail View

Biological Process
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
animal organ regeneration  IEP 70662 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Apoa5  (apolipoprotein A5)

Objects referenced in this article
Gene APOA5 apolipoprotein A5 Homo sapiens
Gene Apoa5 apolipoprotein A-V Mus musculus

Additional Information