解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科，口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学，全科和内科
医学，法律
医学，研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学，核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学，临床
abstract：:Circulating concentrations of mevalonic acid (MVA) change in parallel with, and may be used as a marker of cholesterol biosynthesis. Plasma MVA levels have been quantified using a sensitive and specific capillary gas chromatography-electron capture mass spectrometric assay. The detection limit for MVA in plasma is 100...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1991-06-01 00:00:00
abstract：:Biliary cholesterol secretion is ordinarily tightly coupled to phosphatidylcholine (PC) secretion. Bile PCs are distinct in composition and predominantly composed of molecular species with 16:0 in the sn-1 position and 18:2 and 18:1 in the sn-2 position. In an attempt to acutely change the composition of biliary PCs a...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1991-06-01 00:00:00
abstract：:Recent reports from this laboratory indicate that exposure of cholesterol-loaded macrophages to high density lipoprotein 3 (HDL3) stimulates not only cholesterol efflux, but also results in a two- to threefold increase in apoE accumulation in the media (Dory, L., 1989. J. Lipid Res. 30: 809-816). The present experimen...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1991-05-01 00:00:00
abstract：:Two new 6-hydroxylated bile acids, 3 beta, 6 alpha, 12 alpha- and 3 beta, 6 beta, 12 alpha-trihydroxy-5 beta-cholanoic acids, were synthesized from deoxycholic acid. In addition, their C-3 epimers, 3 alpha, 6 alpha, 12 alpha- and 3 alpha, 6 beta, 12 alpha-trihydroxy acids, were prepared by a new route. The principal r...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1991-04-01 00:00:00
abstract：:A strategy has been developed for archaebacterial lipid analysis which provides three times the information to describe archaebacterial isolates and is compatible with simultaneous eubacterial/eukaryotic lipid analysis of environmental samples. Eubacterial and micro-eukaryotic biomass, community structure, and nutriti...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1991-04-01 00:00:00
abstract：:Apolipoprotein A-IV (apoA-IV) is involved in the metabolism of chylomicrons and high density lipoproteins. It displays genetic polymorphism due to two co-dominant alleles apoA-IV1 and apoA-IV2. The mutation that causes the polymorphism is a G to T substitution in the third base of codon 360 in the apoA-IV2 allele whic...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1991-03-01 00:00:00
abstract：:High density lipophorin (HDLp is the main lipoprotein found in resting insect hemolymph. It has, in general, two molecules of apolipoproteins: apoLp-I (250 kDa) and apoLp-II (80 kDa) and a variable lipid content which ranges from 35% to 59% (w/w). Diacylglycerols (DG), phospholipids (PL), and hydrocarbons (HC) are the...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1991-03-01 00:00:00
abstract：:Two procedures were used to isolate hepatocytic Golgi fractions from rat liver. One procedure yields a light Golgi fraction (GF1 + 2) and the other "intact" stacks of cisternae. Triglyceride fatty acids in nascent very low density lipoproteins (VLDL) were labeled by injection of [3H]palmitate intravenously, and radiol...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1991-03-01 00:00:00
abstract：:The effects of eicosapentaenoic acid and oleic acid on lipid synthesis and secretion by HepG2 cells were examined to identify fatty acid specific changes in lipid metabolism that might indicate a basis for the hypolipidemic effect attributed to eicosapentaenoic acid and related n-3 fatty acids. Cellular glycerolipid s...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1991-02-01 00:00:00
abstract：:A method for apolipoprotein (apo) E genotyping was developed using the polymerase chain reaction (PCR) with allele-specific oligonucleotide primers (ASP). Synthetic oligonucleotides with base-pair mismatches at the 3' terminus were used as primers to amplify the apoE gene in subjects previously phenotyped using isoele...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1991-01-01 00:00:00
abstract：:We have reported the use of a retroviral vector to introduce the low density lipoprotein (LDL) receptor gene into receptor-deficient Watanabe heritable hyperlipidemic (WHHL) rabbit fibroblasts (Miyanohara, A., M. F. Sharkey, D. Steinberg, J. L. Witztum, and T. Friedmann. 1988. Proc. Natl. Acad. Sci. USA. 85: 6538-6542...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-12-01 00:00:00
abstract：:Bovine aortic endothelial cells take up 12-hydroxyeicosatetraenoic acid (12-HETE), a lipoxygenase product formed from arachidonic acid. The uptake of [3H]12-HETE reached a maximum in 2 to 4 h. At this time, from 75 to 80% of the incorporated radioactivity was contained in phospholipids, about 85% of the esterified rad...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-12-01 00:00:00
abstract：:Essential fatty acids (EFA) are important structural and functional components of cell membranes. Their deficiency has been associated with several clinical and biochemical abnormalities. In the present study, the lipid profile as well as the concentration, composition, and metabolism of lipoproteins were examined in ...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-11-01 00:00:00
abstract：:We have developed a simplified and improved high performance liquid chromatography (HPLC) method for the detection and quantitation of tissue lipid using a new laser light-scattering detector (Varex model ELSD II). This detector has a limit of sensitivity of 50 ng for neutral lipid and 200 ng for most phospholipids wi...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-11-01 00:00:00
abstract：:We have studied the rate of phospholipid synthesis and turnover in mouse peritoneal macrophages in reaction to cholesterol influx and high density lipoprotein (HDL)-mediated cholesterol efflux, using three different radioactive precursors, 32PO4(3-), [3H]choline, and [14C]oleic acid. The cells were loaded with cholest...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-10-01 00:00:00
abstract：:Work by other investigators has shown that an increase in dietary content of monounsaturated fatty acids can result in a decreased plasma low density lipoprotein (LDL) cholesterol concentration. This observation, combined with the epidemiologic evidence that monounsaturated fat-rich diets are associated with decreased...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-10-01 00:00:00
abstract：:The implication of cholesteryl ester transfer protein (CETP) in the high density lipoprotein (HDL) conversion process was studied by incubating HDL3 with a purified CETP preparation for 24 h at 37 degrees C. At a physiological plasma level, CETP induced a decrease of the HDL3 fraction (8.6 nm diameter) and the appeara...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-09-01 00:00:00
abstract：:Chiral phase high performance liquid chromatographic resolution of sn-1,2(2,3)- and X-1,3-diacylglycerols generated by partial Grignard degradation from natural triacylglycerols was carried out using a chiral column (25 cm x 4.6 mm i.d.) containing (R)-(+)-1-(1-napthyl)ethylamine polymer chemically bonded to 300A wide...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-09-01 00:00:00
abstract：:Macrophages and arterial chondroitin sulfate proteoglycans (CSPG) are probably associated with extracellular and intracellular lipoprotein deposition during atherogenesis. We found that human arterial CSPG can be used to select subclasses from low density lipoprotein (LDL) with different structural properties and capa...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-08-01 00:00:00
abstract：:Human apolipoprotein (apo) E occurs as three common isoforms (apoE4, E3, and E2), all of which influence plasma cholesterol levels. Although both apoE4 and E3 bind with equal effectiveness to the low density lipoprotein receptor, they associate preferentially with different classes of plasma lipoproteins: apoE4 with v...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-08-01 00:00:00
abstract：:Guinea pig gallbladder bile contains chenodeoxycholic acid (62 +/- 5%), ursodeoxycholic acid (8 +/- 5%), and 7-ketolithocholic acid (30 +/- 5%). All three bile acids became labeled to the same specific activity within 30 min after [3H]cholesterol was injected into bile fistula guinea pigs. When a mixture of [3H]ursode...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-07-01 00:00:00
abstract：:N-3 trans geometrical isomers of 20:5 n-3 and 22:6 n-3 were isolated from rats fed heated linseed oil. The ability of these acids to inhibit 20:4 n-6 metabolism by human platelets was examined. The concentrations required to inhibit 50% of platelet aggregation (IC50) induced by 2.5 microM 20:4 n-6 were higher for the ...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-07-01 00:00:00
abstract：:This paper presents a case of typical hyperlipoproteinemia type I in a young woman. Her serum triglycerides varied between 2 and 90 mmol/l and she had substantial amounts of apolipoprotein B-48 in fasting plasma. She had no detectable lipoprotein lipase (LPL) activity in post-heparin plasma (less than 0.2 percent of n...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-07-01 00:00:00
abstract：:A family with three heterozygote and two homozygote carriers of the rare apolipoprotein E1 isoform was detected by isoelectric focusing. One of the homozygous patients had type III hyperlipidemia, while the other showed normolipemic dysbetalipoproteinemia. Restriction fragment length analysis as well as allele specifi...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-06-01 00:00:00
abstract：:The effects of intravenous injection of lipopolysaccharide (LPS) and tumor necrosis factor alpha (TNF) were investigated in cynomolgus monkeys (Macaca fascicularis). Injection of 20 micrograms/kg of LPS from E. coli (serotype 055:B5) into cynomolgus monkeys fed a monkey chow diet caused a twofold increase in plasma tr...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-06-01 00:00:00
abstract：:Monolayers of Caco-2 cells, a human enterocyte cell line, were incubated with [1-14C]15-hydroxyeicosatetraenoic acid (15-HETE), a lipid mediator of inflammation, and [1-14C]arachidonic acid. Both fatty acids were taken up readily and metabolized by Caco-2 cells. [1-14C]Arachidonic acid was directly esterified in cellu...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-05-01 00:00:00
abstract：:A study was conducted to determine the levels of cellular retinol-binding protein (CRBP) mRNA and protein in various tissues of the rat, to explore relationship between CRBP mRNA and protein levels in different tissues, and to examine the effects of changes in retinol nutritional status on the tissue distribution and ...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-05-01 00:00:00
abstract：:The early premalignant liver provides a model in which to study metabolic alterations that may be permissive for the development of full malignancy. Although there are biochemical changes in this model, there are no detectable morphological ones when compared with a normal, fully differentiated liver. The maintenance ...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-05-01 00:00:00
abstract：:We have shown previously that low density lipoprotein (LDL) subjected to vortexing forms self-aggregates that are avidly phagocytosed by macrophages. That phagocytic uptake is mediated by the LDL receptor. We now show that LDL self-aggregation is strongly inhibited (80-95%) by the presence of high density lipoprotein ...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-04-01 00:00:00
abstract：:Several recent reports have examined whether there is a correlation between the presence of some minor alleles of the highly polymorphic apolipoprotein B gene and atherosclerosis and premature heart disease. The present study extends this investigation. A high-resolution method was used to study the allele frequencies...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-04-01 00:00:00
abstract：:Apolipoprotein E (apoE) polymorphism is a genetic determinant of plasma lipid levels and of coronary heart disease (CHD) risk. We determined the apoE phenotypes and plasma lipid levels in 1577 youths aged 3 to 18 years in 1980. The subjects were randomly selected from five areas of Finland. ApoE phenotyping was perfor...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-03-01 00:00:00
abstract：:Lec9 Chinese hamster ovary cells were found previously to be defective in the synthesis of N-linked glycans. This appeared to be the result of a defect in the synthesis of oligosaccharide lipid and lipid phosphate (Rosenwald, Stanley, and Krag. 1989. Mol. Cell. Biol. 9: 914-924). In this study we analyzed the steady s...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-03-01 00:00:00
abstract：:Mouse plasma from strains C57BL/6J and C3H/HeJ includes a high density lipoprotein (HDL) fraction containing apolipoprotein A-I which migrates in the prebeta region upon agarose gel electrophoresis, similar to the prebeta HDL previously reported in humans. This prebeta A-I lipoprotein species has a buoyant density of ...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-02-01 00:00:00
abstract：:In an approach to the identification of proteins involved in the side chain degradation of bile salt biosynthesis, the photolabile 7,7-azo derivatives of 5 beta-cholestane-3 alpha,7 alpha,12 alpha-triol, 5 beta-cholestane-3 alpha,7 alpha,12 alpha,26-tetrol and 3 alpha,7 alpha,12 alpha-trihydroxy-5 beta-cholestan-26-oa...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-02-01 00:00:00
abstract：:The beta-oxidation of stearic acid and of alpha- and gamma-methyl isoprenoid-derived fatty acids (pristanic and tetramethylheptadecanoic acids, respectively) was investigated in normal skin fibroblasts and in fibroblasts from patients with inherited defects in peroxisomal biogenesis. Stearic acid beta-oxidation by nor...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-02-01 00:00:00
abstract：:A facile procedure is described for the preparation of [14C]epicholesterol from [14C]cholesterol. Cholesterol is first converted to cholesteryl mesylate, which is treated with cesium acetate and 18-crown-6 in refluxing toluene to give epicholesteryl acetate. The latter is hydrolyzed, without isolation, with potassium ...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-01-01 00:00:00
abstract：:Characterization of the chemical form and stereo-specificity of the fatty acid derivatives of arachidonic and linoleic acid in psoriatic epidermis is needed to define the enzymatic origin of these compounds and their possible role in pathogenesis. In an analysis of psoriatic skin scales, both free and esterified 13-hy...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1990-01-01 00:00:00
abstract：:Biliary secretion of bile acid glucuronides was studied in control rats and in rats with a congenital defect in hepatobiliary transport of organic anions (GY rats). In control animals, hepatobiliary transport of [3H]lithocholic acid 3-O-glucuronide and [3H]cholic acid 3-O-glucuronide was efficient (greater than 95% in...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1989-12-01 00:00:00
abstract：:The cellular mechanisms responsible for the lipoprotein-mediated stimulation of bile acid synthesis in cultured rat hepatocytes were investigated. Adding 280 micrograms/ml of cholesterol in the form of human or rat low density lipoprotein (LDL) to the culture medium increased bile acid synthesis by 1.8- and 1.6-fold, ...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1989-12-01 00:00:00
abstract：:Cholesterol exists within the hepatocyte as free cholesterol and cholesteryl ester. The proportion of intrahepatic cholesterol in the free or ester forms is governed in part by the rate of cholesteryl ester formation by acyl-coenzyme A:cholesterol acyltransferase (ACAT) and cholesteryl ester hydrolysis by neutral chol...
journal_title：Journal of lipid research
pub_type： 杂志文章
doi：
更新日期：1989-11-01 00:00:00
