Suppression of neutral cholesterol ester hydrolase activity by antisense DNA of hormone-sensitive lipase. 1997

J Osuga, and S Ishibashi, and H Shimano, and T Inaba, and M Kawamura, and Y Yazaki, and N Yamada
Third Department of Internal Medicine, University of Tokyo, Japan.

In order to investigate the role of the hormone-sensitive lipase (HSL) gene in the activity of neutral cholesterol ester hydrolase (NCEH) from a molecular perspective, Chinese hamster ovary (CHO) cells were transfected with rat antisense hormone-sensitive lipase cDNA, and three different cell lines, designated as anti-HSL, were established. NCEH activity in anti-HSL cells was reduced to approximately 50% of that in control CHO cells. The concentration of cellular esterified cholesterol increased and the concentration of free cholesterol decreased in the anti-HSL cell lines. These results suggest that the HSL gene has a function of NCEH as well.

UI MeSH Term Description Entries
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
D002787 Sterol Esterase An enzyme that catalyzes the hydrolysis of CHOLESTEROL ESTERS and some other sterol esters, to liberate cholesterol plus a fatty acid anion. Cholesterol Esterase,15-Ketosteryl Oleate Hydrolase,Acylcholesterol Lipase,Cholesterol Ester Hydrolase,Cholesteryl Oleate Hydrolase,Cholesterylester Hydrolase,Hormone-Sensitive Lipase,Lipase A (Lysosomal Acid Cholesterol Esterase),Lipoidal Steroid Esterase,Lysosomal Acid Cholesterol Esterase,Lysosomal Acid Lipase,Steroid Hormone Esterase,Sterol Ester Acylhydrolase,15 Ketosteryl Oleate Hydrolase,Acid Lipase, Lysosomal,Acylhydrolase, Sterol Ester,Esterase, Cholesterol,Esterase, Lipoidal Steroid,Esterase, Steroid Hormone,Esterase, Sterol,Hormone Sensitive Lipase,Hydrolase, 15-Ketosteryl Oleate,Hydrolase, Cholesterol Ester,Hydrolase, Cholesteryl Oleate,Hydrolase, Cholesterylester,Lipase, Acylcholesterol,Lipase, Hormone-Sensitive,Steroid Esterase, Lipoidal
D002788 Cholesterol Esters Fatty acid esters of cholesterol which constitute about two-thirds of the cholesterol in the plasma. The accumulation of cholesterol esters in the arterial intima is a characteristic feature of atherosclerosis. Cholesterol Ester,Cholesteryl Ester,Cholesteryl Esters,Ester, Cholesterol,Ester, Cholesteryl,Esters, Cholesterol,Esters, Cholesteryl
D004951 Esterification The process of converting an acid into an alkyl or aryl derivative. Most frequently the process consists of the reaction of an acid with an alcohol in the presence of a trace of mineral acid as catalyst or the reaction of an acyl chloride with an alcohol. Esterification can also be accomplished by enzymatic processes. Esterifications
D005822 Genetic Vectors DNA molecules capable of autonomous replication within a host cell and into which other DNA sequences can be inserted and thus amplified. Many are derived from PLASMIDS; BACTERIOPHAGES; or VIRUSES. They are used for transporting foreign genes into recipient cells. Genetic vectors possess a functional replicator site and contain GENETIC MARKERS to facilitate their selective recognition. Cloning Vectors,Shuttle Vectors,Vectors, Genetic,Cloning Vector,Genetic Vector,Shuttle Vector,Vector, Cloning,Vector, Genetic,Vector, Shuttle,Vectors, Cloning,Vectors, Shuttle
D006224 Cricetinae A subfamily in the family MURIDAE, comprising the hamsters. Four of the more common genera are Cricetus, CRICETULUS; MESOCRICETUS; and PHODOPUS. Cricetus,Hamsters,Hamster
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
D001483 Base Sequence The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence. DNA Sequence,Nucleotide Sequence,RNA Sequence,DNA Sequences,Base Sequences,Nucleotide Sequences,RNA Sequences,Sequence, Base,Sequence, DNA,Sequence, Nucleotide,Sequence, RNA,Sequences, Base,Sequences, DNA,Sequences, Nucleotide,Sequences, RNA
D014162 Transfection The uptake of naked or purified DNA by CELLS, usually meaning the process as it occurs in eukaryotic cells. It is analogous to bacterial transformation (TRANSFORMATION, BACTERIAL) and both are routinely employed in GENE TRANSFER TECHNIQUES. Transfections
D016373 DNA, Antisense DNA that is complementary to the sense strand. (The sense strand has the same sequence as the mRNA transcript. The antisense strand is the template for mRNA synthesis.) Synthetic antisense DNAs are used to hybridize to complementary sequences in target RNAs or DNAs to effect the functioning of specific genes for investigative or therapeutic purposes. Antisense DNA,Anti-Sense DNA,Anti Sense DNA,DNA, Anti-Sense

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