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Rat ceruloplasmin. Molecular cloning and gene expression in liver, choroid plexus, yolk sac, placenta, and testis.
journal contributionposted on 2023-02-07, 23:04 authored by AR Aldred, A Grimes, G Schreiber, Julian MercerJulian Mercer
A rat ceruloplasmin cDNA clone was isolated from a rat liver cDNA library and identified by partial nucleotide sequence analysis. Rat liver ceruloplasmin mRNA levels were measured during the acute phase response to inflammation by cytoplasmic dot hybridization to ceruloplasmin cDNA. Regulation of ceruloplasmin synthesis appeared to be at the mRNA level, with the concentration of ceruloplasmin mRNA increasing significantly 12 h after induction of inflammation, reaching a maximum of 350% of normal at 36 h and returning to normal levels within 60 h. Using Northern blot analysis, extrahepatic ceruloplasmin gene expression was observed in choroid plexus, yolk sac, placenta, and testis. All these tissues are at the interface between, and possibly involved in maintaining homeostasis in, adjacent extracellular compartments. No ceruloplasmin mRNA was detected in RNA from stomach and small intestine.
JournalJournal of Biological Chemistry
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Amino Acid SequenceAnimalsBase SequenceCeruloplasminChoroid PlexusCloning, MolecularDNAGene Expression RegulationLiverMalePlacentaRNA, MessengerRatsRats, Inbred StrainsTestisTissue DistributionYolk SacGeneticsBiotechnologyDigestive DiseasesLiver DiseaseChemical SciencesBiological SciencesMedical and Health Sciences