Biomaterial Database

[Composition of DNA-bound lipids in the regenerating rat liver]. 1988

V A Struchkov, and N B Strazhevskaia

Using thin-layer chromatography, the qualitative and quantitative composition of specific DNA-bound neutral lipids (NL) and phospholipids (PL) of regenerating rat liver 22 hours (S-phase) and 28 hours (G2-phase) after hepatectomy was studied. These lipids are represented by light and tightly bound components. The intact liver DNA contains minor amounts of NL and PL (15.02 micrograms and 5.82 micrograms per mg of DNA, respectively). The composition of DNA-bound lipids in rat liver differs markedly from that of nuclear membrane and chromatin total lipids. The former are strongly deficient in free cholesterol (FC), but are rich in cholesterol esters (CE), very rich in cardiolipin (CL) and deficient in phosphatidylcholine. The basic parameters of DNA-bound lipids of rat liver (NL/PL, CE/FC and cholesterol/PL) are more than unity and depend on the cell cycle. It was shown that in the S-phase the content of DNA-bound NL and PL increases 1.5-fold, in the G2-phase the NL content shows a still greater increase--2.3-fold, while that of DNA-bound PL decreases to normal values. The basic changes of the DNA-bound lipids in regenerating rat liver are due to FC, CE and CL, which determine the tissue specificity of these lipids.

UI	MeSH Term	Description	Entries
D008055	Lipids	A generic term for fats and lipoids, the alcohol-ether-soluble constituents of protoplasm, which are insoluble in water. They comprise the fats, fatty oils, essential oils, waxes, phospholipids, glycolipids, sulfolipids, aminolipids, chromolipids (lipochromes), and fatty acids. (Grant & Hackh's Chemical Dictionary, 5th ed)	Lipid
D008099	Liver	A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances.	Livers
D008115	Liver Regeneration	Repair or renewal of hepatic tissue.	Liver Regenerations,Regeneration, Liver,Regenerations, Liver
D008297	Male		Males
D011919	Rats, Inbred Strains	Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding.	August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D002308	Cardiolipins	Acidic phospholipids composed of two molecules of phosphatidic acid covalently linked to a molecule of glycerol. They occur primarily in mitochondrial inner membranes and in bacterial plasma membranes. They are the main antigenic components of the Wassermann-type antigen that is used in nontreponemal SYPHILIS SERODIAGNOSIS.	Cardiolipin,Diphosphatidylglycerol,Diphosphatidylglycerols
D002453	Cell Cycle	The complex series of phenomena, occurring between the end of one CELL DIVISION and the end of the next, by which cellular material is duplicated and then divided between two daughter cells. The cell cycle includes INTERPHASE, which includes G0 PHASE; G1 PHASE; S PHASE; and G2 PHASE, and CELL DIVISION PHASE.	Cell Division Cycle,Cell Cycles,Cell Division Cycles,Cycle, Cell,Cycle, Cell Division,Cycles, Cell,Cycles, Cell Division,Division Cycle, Cell,Division Cycles, Cell
D002784	Cholesterol	The principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils.	Epicholesterol
D004247	DNA	A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine).	DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia