abstract：:To obtain a panel of monoclonal antibodies (MAbs) to study the folding and conformation of the low density lipoprotein receptor (LDLr), we have generated hybridomas from LDLr-deficient mice that had been immunized with the extracellular domain of the human LDLr. The 12 MAbs were specific for the ligand binding domain ...

journal_title：Journal of lipid research

authors： Nguyen AT,Hirama T,Chauhan V,Mackenzie R,Milne R

更新日期：2006-07-01 00:00:00

abstract：:Mice with a targeted mutation of 3beta-hydroxysterol Delta(7)-reductase (Dhcr7) that cannot convert 7-dehydrocholesterol to cholesterol were used to identify the origin of fetal sterols. Because their heterozygous mothers synthesize cholesterol normally, virtually all sterols found in a Dhcr7 knockout fetus having a D...

journal_title：Journal of lipid research

authors： Tint GS,Yu H,Shang Q,Xu G,Patel SB

更新日期：2006-07-01 00:00:00

abstract：:In this work, we investigated the impact of testosterone deficiency and cholesteryl ester transfer protein (CETP) expression on lipoprotein metabolism and diet-induced atherosclerosis. CETP transgenic mice and nontransgenic (nTg) littermates were studied 4 weeks after bilateral orchidectomy or sham operation. Castrate...

journal_title：Journal of lipid research

authors： Casquero AC,Berti JA,Salerno AG,Bighetti EJ,Cazita PM,Ketelhuth DF,Gidlund M,Oliveira HC

更新日期：2006-07-01 00:00:00

abstract：:In hepatocytes, vitamin E is secreted via the efflux pathway and is believed to associate with apolipoprotein B (apoB)-lipoproteins extracellularly. The molecular mechanisms involved in the uptake, intracellular trafficking, and secretion of dietary vitamin E by the intestinal cells are unknown. We observed that low c...

journal_title：Journal of lipid research

authors： Anwar K,Kayden HJ,Hussain MM

更新日期：2006-06-01 00:00:00

abstract：:This study sought to clarify the contributions of organic anion-transporting polypeptide (OATP) 1B1 and 1B3 to the liver uptake of chenodeoxycholic acid (CDCA). We synthesized a fluorescent version of CDCA, chenodeoxychilyl-(Nepsilon-NBD)-lysine (CDCA-NBD), to characterize transporter-mediated uptake. CDCA-NBD is effi...

journal_title：Journal of lipid research

authors： Yamaguchi H,Okada M,Akitaya S,Ohara H,Mikkaichi T,Ishikawa H,Sato M,Matsuura M,Saga T,Unno M,Abe T,Mano N,Hishinuma T,Goto J

更新日期：2006-06-01 00:00:00

abstract：:Protein palmitoylation refers to the posttranslational addition of a 16 carbon fatty acid to the side chain of cysteine, forming a thioester linkage. This acyl modification is readily reversible, providing a potential regulatory mechanism to mediate protein-membrane interactions and subcellular trafficking of proteins...

journal_title：Journal of lipid research

authors： Mitchell DA,Vasudevan A,Linder ME,Deschenes RJ

更新日期：2006-06-01 00:00:00

abstract：:Zinc Finger Protein 202 (ZNF202) is a transcriptional repressor that binds elements found predominantly in genes involved in HDL metabolism. We tested the following hypotheses: 1) frequencies of single-nucleotide polymorphisms (SNPs) and haplotypes in ZNF202 differ between individuals with low and high HDL cholesterol...

journal_title：Journal of lipid research

authors： Stene MC,Frikke-Schmidt R,Nordestgaard BG,Tybjaerg-Hansen A

更新日期：2006-05-01 00:00:00

abstract：:Mutational inactivation of NPC1 largely blocks the movement of LDL-derived cholesterol from the lysosome to the metabolically active, cytosolic pool of sterol that is the substrate for steroid hormone production. Such a block might, in theory, lead to deficiencies in circulating levels of testosterone, progesterone, a...

journal_title：Journal of lipid research

authors： Xie C,Richardson JA,Turley SD,Dietschy JM

更新日期：2006-05-01 00:00:00

abstract：:More than 100 proteins necessary for eukaryotic cell growth, differentiation, and morphology require posttranslational modification by the covalent attachment of an isoprenoid lipid (prenylation). Prenylated proteins include members of the Ras, Rab, and Rho families, lamins, CENPE and CENPF, and the gamma subunit of m...

journal_title：Journal of lipid research

authors： Lane KT,Beese LS

更新日期：2006-04-01 00:00:00

abstract：:To study the effect of an unstirred layer (UL), we have investigated the exchange efflux kinetics of anandamide at 0 degrees C, pH 7.3, from albumin-free as well as from albumin-filled human red blood cell ghosts to media of various BSA concentrations ([BSA](o)). The rate constant (k(m)) of unidirectional flux from th...

journal_title：Journal of lipid research

authors： Bojesen IN,Hansen HS

更新日期：2006-03-01 00:00:00

abstract：:Rab GTPases require special machinery for protein prenylation, which include Rab escort protein (REP) and Rab geranylgeranyl transferase (RGGT). The current model of Rab geranylgeranylation proposes that REP binds Rab and presents it to RGGT. After geranylgeranylation of Rab C-terminal cysteines, REP delivers the pren...

journal_title：Journal of lipid research

authors： Leung KF,Baron R,Seabra MC

更新日期：2006-03-01 00:00:00

abstract：:Membranes of mammalian cells contain lysophosphatidic acid acyltransferase (LPAAT) activities that catalyze the acylation of sn-1-acyl lysophosphatidic acid (lysoPA) to form phosphatidic acid. As the biological roles and biochemical properties of the six known LPAAT isoforms have yet to be fully elucidated, we have ch...

journal_title：Journal of lipid research

authors： Hollenback D,Bonham L,Law L,Rossnagle E,Romero L,Carew H,Tompkins CK,Leung DW,Singer JW,White T

更新日期：2006-03-01 00:00:00

abstract：:Protein farnesylation is a form of posttranslational modification that occurs in most, if not all, eukaryotic cells. Inhibitors of protein farnesyltransferase (PFTIs) have been developed as anticancer chemotherapeutic agents. Using the knowledge gained from the development of PFTIs for the treatment of cancer, researc...

journal_title：Journal of lipid research

authors： Eastman RT,Buckner FS,Yokoyama K,Gelb MH,Van Voorhis WC

更新日期：2006-02-01 00:00:00

abstract：:LDL-associated phospholipids (PLs) may be transferred into platelets. In this work, we characterized the role of VLDLs as PL donors. VLDL transferred radiolabeled PLs to platelets in a temperature- and concentration-dependent manner. LPL stimulated this process through its action on VLDL lipolysis, because it was abol...

journal_title：Journal of lipid research

authors： Ibrahim S,Djimet-Baboun A,Pruneta-Deloche V,Calzada C,Lagarde M,Ponsin G

更新日期：2006-02-01 00:00:00

abstract：:Adipose differentiation-related protein (ADRP) is a lipid droplet-associated protein that is expressed in various tissues. In mice treated with the peroxisome proliferator-activated receptor alpha (PPARalpha) agonist Wy14,643 (Wy), hepatic mRNA and protein levels of ADRP as well as hepatic triglyceride content increas...

journal_title：Journal of lipid research

authors： Edvardsson U,Ljungberg A,Lindén D,William-Olsson L,Peilot-Sjögren H,Ahnmark A,Oscarsson J

更新日期：2006-02-01 00:00:00

abstract：:The polyene antibiotic amphotericin B (AMB) is an effective antifungal agent whose therapeutic potential is limited by poor aqueous solubility and toxicity toward host tissues. Addition of apolipoprotein A-I to a multilamellar phospholipid vesicle dispersion containing 20% (w/w) AMB induces the formation of reconstitu...

journal_title：Journal of lipid research

authors： Oda MN,Hargreaves PL,Beckstead JA,Redmond KA,van Antwerpen R,Ryan RO

更新日期：2006-02-01 00:00:00

abstract：:HDL and its major component, apolipoprotein A-I (apoA-I), play a central role in reverse cholesterol transport. We recently reported the involvement of a glycosylphosphatidylinositol anchor (GPI anchor) in the binding of HDL and apoA-I on human macrophages, and purified an 80 kDa HDL/apoA-I binding protein. In the pre...

journal_title：Journal of lipid research

authors： Matsuyama A,Sakai N,Hiraoka H,Hirano K,Yamashita S

更新日期：2006-01-01 00:00:00

abstract：:HMG-CoA reductase inhibitors (statins) are effective lipid-altering drugs for the treatment of dyslipidemia in patients with type 2 diabetes mellitus. We conducted a randomized, double-blind, placebo-controlled, crossover design trial to determine the effects of simvastatin, 80 mg/day, on plasma lipid and lipoprotein ...

journal_title：Journal of lipid research

authors： Myerson M,Ngai C,Jones J,Holleran S,Ramakrishnan R,Berglund L,Ginsberg HN

更新日期：2005-12-01 00:00:00

abstract：:Lipid lamellae present in the outermost layer of the skin, the stratum corneum, form the main barrier for the diffusion of molecules through the skin. The presence of a unique 13 nm lamellar phase and its high crystallinity are characteristic for the stratum corneum lipid phase behavior. In the present study, small-an...

journal_title：Journal of lipid research

authors： de Jager MW,Gooris GS,Ponec M,Bouwstra JA

更新日期：2005-12-01 00:00:00

abstract：:Macrophage infiltration of white adipose tissue (WAT) is implicated in the metabolic complications of obesity. The precipitating event(s) and function(s) of macrophage infiltration into WAT are unknown. We demonstrate that >90% of all macrophages in WAT of obese mice and humans are localized to dead adipocytes, where ...

journal_title：Journal of lipid research

authors： Cinti S,Mitchell G,Barbatelli G,Murano I,Ceresi E,Faloia E,Wang S,Fortier M,Greenberg AS,Obin MS

更新日期：2005-11-01 00:00:00

abstract：:The bioactive molecule sphingosine 1-phosphate (S1P) is abundantly stored in platelets and can be released extracellularly. However, although they have high sphingosine (Sph) kinase activity, platelets lack the de novo sphingolipid biosynthesis necessary to provide the substrates. Here, we reveal a generation pathway ...

journal_title：Journal of lipid research

authors： Tani M,Sano T,Ito M,Igarashi Y

更新日期：2005-11-01 00:00:00

abstract：:Acyl-CoA-dependent O-acyltransferases catalyze reactions in which fatty acyl-CoAs are joined to acyl acceptors containing free hydroxyl groups to produce neutral lipids. In this report, we characterize a human multifunctional O-acyltransferase (designated MFAT) that belongs to the acyl-CoA:diacylglycerol acyltransfera...

journal_title：Journal of lipid research

authors： Yen CL,Brown CH 4th,Monetti M,Farese RV Jr

更新日期：2005-11-01 00:00:00

abstract：:Chylomicron remnants have been suggested to be involved in the development of atherosclerosis. To investigate the mechanisms of chylomicron remnant-induced atherosclerosis, we prepared cholesterol (Chol)-containing emulsion particles as models for chylomicron remnants. Chol markedly increased the apolipoprotein E (apo...

journal_title：Journal of lipid research

authors： Sakurai A,Morita SY,Wakita K,Deharu Y,Nakano M,Handa T

更新日期：2005-10-01 00:00:00

abstract：:Biliary lipids (bile salts, phospholipids, cholesterol, plant sterols) were determined in 89 vertebrate species (cartilaginous and bony fish, reptiles, birds, and mammals), and individual phospholipid classes were measured in 35 species. All samples contained conjugated bile salts (C(27) bile alcohol sulfates and/or N...

journal_title：Journal of lipid research

authors： Moschetta A,Xu F,Hagey LR,van Berge-Henegouwen GP,van Erpecum KJ,Brouwers JF,Cohen JC,Bierman M,Hobbs HH,Steinbach JH,Hofmann AF

更新日期：2005-10-01 00:00:00

abstract：:ACAT catalyzes the formation of cholesteryl esters from cholesterol and long-chain fatty acids. There are two known genes encoding the two ACAT enzymes, ACAT1 and ACAT2 (also known as Soat1 and Soat2). In adult humans, ACAT1 is present in most tissues, whereas ACAT2 is localized to enterocytes and hepatocytes. In this...

journal_title：Journal of lipid research

authors： Pramfalk C,Davis MA,Eriksson M,Rudel LL,Parini P

更新日期：2005-09-01 00:00:00

abstract：:The sterol regulatory element binding protein (SREBP)/SREBP cleavage-activating protein (SCAP) complex regulates the transcription of numerous genes involved in cellular cholesterol metabolism. The CHO mutant, CT60, and its parental cell line, 25RA, possess a gain-of-function mutation in one allele of the SCAP gene th...

journal_title：Journal of lipid research

authors： Maguire JA,Reagan JW Jr

更新日期：2005-09-01 00:00:00

abstract：:Polyunsaturated fatty acids, including docosahexaenoic acid (DHA, 22:6n-3), modulate immune responses and exert beneficial immunosuppressive effects, but the molecular mechanisms inhibiting T-cell activation are not yet elucidated. Lipid rafts have been shown to play an important role in the compartmentalization and m...

journal_title：Journal of lipid research

authors： Li Q,Wang M,Tan L,Wang C,Ma J,Li N,Li Y,Xu G,Li J

更新日期：2005-09-01 00:00:00

abstract：:Apolipoprotein A-V (apoA-V) first gained attention as a regulator of triglycerides through transgenic mouse studies. Furthermore, peroxisome proliferator-activated receptor alpha (PPARalpha) agonists such as fenofibrate increase apoA-V mRNA expression. Our group recently developed the first assay to quantitate serum a...

journal_title：Journal of lipid research

authors： Schultze AE,Alborn WE,Newton RK,Konrad RJ

更新日期：2005-08-01 00:00:00

abstract：:Experimental approaches involving the perfusion of tissues and organs offer the advantage of improved physiological relevance over the use of isolated tissues or cells while at the same time being much more controlled and tissue-specific than studies in vivo. Nevertheless, there have been few metabolic studies perform...

journal_title：Journal of lipid research

authors： Cònsol G,Moles A,Ricart-Jané D,Llobera M

更新日期：2005-08-01 00:00:00

abstract：:This article presents a novel methodology for the analysis of ethanolamine glycerophospholipid (PE) and lysoPE molecular species directly from lipid extracts of biological samples. Through brief treatment of lipid extracts with fluorenylmethoxylcarbonyl (Fmoc) chloride, PE and lysoPE species were selectively derivatiz...

journal_title：Journal of lipid research

authors： Han X,Yang K,Cheng H,Fikes KN,Gross RW

更新日期：2005-07-01 00:00:00

abstract：:The formation of hepatic bile requires that water be transported across liver epithelia. Rat hepatocytes express three aquaporins (AQPs): AQP8, AQP9, and AQP0. Recognizing that cholesterol and sphingolipids are thought to promote the assembly of proteins into specialized membrane microdomains, we hypothesized that can...

journal_title：Journal of lipid research

authors： Tietz P,Jefferson J,Pagano R,Larusso NF

更新日期：2005-07-01 00:00:00

abstract：:Leukotriene B4 (LTB4) is a potent lipid mediator of inflammation that acts primarily via a seven-transmembrane-spanning, G-protein-coupled receptor denoted BLT1. Here, we describe the synthesis and characterization of fluorescent analogs of LTB4 that are easy to produce, inexpensive, and without the disadvantages of a...

journal_title：Journal of lipid research

authors： Sabirsh A,Wetterholm A,Bristulf J,Leffler H,Haeggström JZ,Owman C

更新日期：2005-06-01 00:00:00

abstract：:Electrospray ionization mass spectrometry has previously been used to probe qualitative changes in the phospholipid cardiolipin (CL), but it has rarely been used in a quantitative manner. We assessed changes in the amount of individual molecular species of cardiac CL present in a model of congestive heart failure usin...

journal_title：Journal of lipid research

authors： Sparagna GC,Johnson CA,McCune SA,Moore RL,Murphy RC

更新日期：2005-06-01 00:00:00

abstract：:Our previous studies have demonstrated the activity of oncostatin M (OM) in stimulating the transcription of the human LDL receptor (LDLR) gene in HepG2 cells through a sterol-independent regulatory mechanism. The current studies were designed to determine whether this in vitro property of OM could be recapitulated in...

journal_title：Journal of lipid research

authors： Kong W,Abidi P,Kraemer FB,Jiang JD,Liu J

更新日期：2005-06-01 00:00:00

abstract：:HDLs have been proposed to have antiatherogenic properties because of their role in reverse cholesterol transport as lipid acceptors. To elucidate the phospholipid profile of these particles, we used electrospray ionization mass spectrometry to examine the phosphatidylcholine (PC) and sphingomyelin (SM) composition of...

journal_title：Journal of lipid research

authors： Lee CY,Lesimple A,Larsen A,Mamer O,Genest J

更新日期：2005-06-01 00:00:00

abstract：:Zonation affects liver parenchymal cell function and metabolism as well as nonparenchymal cell activation, but whether VLDL production is zonated has yet to be elucidated. Infection induces enhanced VLDL secretion by the liver. Ex vivo studies were undertaken to examine the liver heterogeneity for VLDL formation and s...

journal_title：Journal of lipid research

authors： Aspichueta P,Pérez S,Ochoa B,Fresnedo O

更新日期：2005-05-01 00:00:00

abstract：:Incubation of ovarian luteal cells with the bioactive lipid mediator lysophosphatidic acid (LPA) for 180 min abolishes gonadotropin-induced steroid production with no attenuation of the cyclic AMP accumulation. Treatment with the lysolipid also diminishes [14C]steroid production in cells preloaded with either [14C]cho...

journal_title：Journal of lipid research

authors： Budnik LT,Brunswig-Spickenheier B

更新日期：2005-05-01 00:00:00

abstract：:Mature endothelial lipase (EL) is a 68 kDa glycoprotein. In HepG2 cells infected with adenovirus encoding human EL, the mature EL was detectable in the cell lysates and heparin-releasable fractions. In contrast, cell media of these cells contained two EL fragments: an N-terminal 40 kDa fragment and a C-terminal 28 kDa...

journal_title：Journal of lipid research

authors： Gauster M,Hrzenjak A,Schick K,Frank S

更新日期：2005-05-01 00:00:00

abstract：:Endothelial lipase (EL) is a triglyceride lipase gene family member that has high phospholipase and low triglyceride lipase activity. The aim of this study was to determine whether the phospholipase activity of EL is sufficient to remodel HDLs into small particles and mediate the dissociation of apolipoprotein A-I (ap...

journal_title：Journal of lipid research

authors： Jahangiri A,Rader DJ,Marchadier D,Curtiss LK,Bonnet DJ,Rye KA

更新日期：2005-05-01 00:00:00

abstract：:We elucidated the mechanisms of action of two n-3 PUFAs, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), in Jurkat T-cells. Both DHA and EPA were principally incorporated into phospholipids in the following order: phosphatidylcholine < phosphatidylethanolamine < phosphatidylinositol/phosphatidylserine. Fur...

journal_title：Journal of lipid research

authors： Denys A,Hichami A,Khan NA

更新日期：2005-04-01 00:00:00