abstract：:Rat spermatogenic cells contain sphingomyelins (SMs) and ceramides (Cers) with very long-chain PUFAs (VLCPUFAs) in nonhydroxylated (n-V) and 2-hydroxylated (h-V) forms. How these atypical species distribute among membrane fractions during differentiation was investigated here using a detergent-free procedure to isolat...

journal_title：Journal of lipid research

authors： Santiago Valtierra FX,Mateos MV,Aveldaño MI,Oresti GM

更新日期：2017-03-01 00:00:00

abstract：:Lipoproteins internalized by the LDL receptor (LDLR) are released from this receptor in endosomes through a process that involves acid-dependent conformational changes in the receptor ectodomain. How acidic pH promotes this release process is not well understood. Here, we assessed roles for six histidine residues for ...

journal_title：Journal of lipid research

authors： Dong H,Zhao Z,LeBrun DG,Michaely P

更新日期：2017-02-01 00:00:00

abstract：:G protein-coupled receptor (GPR)120/FFA receptor (FFAR)4 (GPR120/FFAR4) activation by n-3 PUFAs attenuates inflammation, but its impact on atherosclerosis is unknown. We determined whether in vivo activation of leukocyte GPR120/FFAR4 by n-3 versus n-6 PUFAs is atheroprotective. Leukocyte GPR120/FFAR4 WT or KO mice in ...

journal_title：Journal of lipid research

authors： Shewale SV,Brown AL,Bi X,Boudyguina E,Sawyer JK,Alexander-Miller MA,Parks JS

更新日期：2017-01-01 00:00:00

abstract：:Lipid concentrations are heritable traits. Recently, the number of known genetic loci associated with lipid levels in adults increased from 95 to 157. The effects of these 157 loci have not been tested in children. Considering that lipid levels track from childhood to adulthood, we studied to determine whether these v...

journal_title：Journal of lipid research

authors： Latsuzbaia A,Jaddoe VW,Hofman A,Franco OH,Felix JF

更新日期：2016-12-01 00:00:00

abstract：:Sphingosine-1-phosphate (S1P) is present in the blood plasma and acts as a pivotal intercellular signal transmitter in the immune system by recruiting lymphocytes from the thymus and secondary lymphoid tissues. The plasma S1P concentration is maintained by the supply of S1P from erythrocytes. Previously, we showed tha...

journal_title：Journal of lipid research

authors： Kobayashi N,Otsuka M,Yamaguchi A,Nishi T

更新日期：2016-11-01 00:00:00

abstract：:Atherogenic mixed dyslipidemia associates with oxidative stress and defective HDL antioxidative function in metabolic syndrome (MetS). The impact of statin treatment on the capacity of HDL to inactivate LDL-derived, redox-active phospholipid hydroperoxides (PCOOHs) in MetS is indeterminate. Insulin-resistant, hypertri...

journal_title：Journal of lipid research

authors： Orsoni A,Thérond P,Tan R,Giral P,Robillard P,Kontush A,Meikle PJ,Chapman MJ

更新日期：2016-11-01 00:00:00

abstract：:In mammals, because they share a single synthetic pathway, n-6/n-3 ratios of dietary PUFAs impact tissue arachidonic acid (ARA) and DHA content. Likewise, SNPs in the human fatty acid desaturase (FADS) gene cluster impact tissue ARA and DHA. Here we tested the feasibility of using heterozygous Fads2-null-mice (HET) as...

journal_title：Journal of lipid research

authors： Su H,Zhou D,Pan YX,Wang X,Nakamura MT

更新日期：2016-11-01 00:00:00

abstract：:An elevated plasma concentration of lipoprotein (a) [Lp(a)] is an independent risk factor for cardiovascular disease. Life style modification and currently available drugs either fail to effectively lower plasma Lp(a) levels or do not result in clinical benefit. However, lipoprotein apheresis is very efficient in decr...

journal_title：Journal of lipid research

authors： Waldmann E,Parhofer KG

更新日期：2016-10-01 00:00:00

abstract：:Chemokines are a family of cytokines inducing cell migration and inflammation. Recent reports have implicated the roles of chemokines in cell differentiation. However, little is known about the functional roles of chemokines in adipocytes. Here, we explored gene expression levels of chemokines and chemokine receptors ...

journal_title：Journal of lipid research

authors： Kusuyama J,Komorizono A,Bandow K,Ohnishi T,Matsuguchi T

更新日期：2016-10-01 00:00:00

abstract：:The demand to study the cellular localization of specific lipids has led to recent advances in lipid probes and microscopy. Alkyne lipids bear a small, noninterfering tag and can be detected upon click reaction with an azide-coupled reporter. Fluorescent alkyne lipid imaging crucially depends on appropriate azide repo...

journal_title：Journal of lipid research

authors： Gaebler A,Penno A,Kuerschner L,Thiele C

更新日期：2016-10-01 00:00:00

abstract：:Leukotrienes (LTs) play major roles in lung immune responses, and LTD4 is the most potent agonist for cysteinyl LT1, leading to bronchoconstriction and tissue remodeling. Here, we studied LT crosstalk between myeloid cells and pulmonary epithelial cells. Monocytic cells (Mono Mac 6 cell line, primary dendritic cells) ...

journal_title：Journal of lipid research

authors： Lukic A,Ji J,Idborg H,Samuelsson B,Palmberg L,Gabrielsson S,Rådmark O

更新日期：2016-09-01 00:00:00

abstract：:A reliable method for purifying envelope-stripped nuclei from immortalized murine embryonic fibroblasts (iMEFs) was established. Quantitative profiling of the glycerophospholipids (GPLs) in envelope-free iMEF nuclei yields several conclusions. First, we find the endonuclear glycerophospholipidome differs from that of ...

journal_title：Journal of lipid research

authors： Tribble EK,Ivanova PT,Grabon A,Alb JG Jr,Faenza I,Cocco L,Brown HA,Bankaitis VA

更新日期：2016-08-01 00:00:00

abstract：:The bioactive sphingolipid metabolite, ceramide, regulates physiological processes important for inflammation and elevated levels of ceramide have been implicated in IL-1-mediated events. Although much has been learned about ceramide generation by activation of sphingomyelinases in response to IL-1, the contribution o...

journal_title：Journal of lipid research

authors： Cai L,Oyeniran C,Biswas DD,Allegood J,Milstien S,Kordula T,Maceyka M,Spiegel S

更新日期：2016-08-01 00:00:00

abstract：:Cholesterol 7α-hydroxylase (CYP7A1) is the first and rate-limiting enzyme in the conversion of cholesterol to bile acids in the liver. In addition to absorption and digestion of nutrients, bile acids play a critical role in the regulation of lipid, glucose, and energy homeostasis. We have backcrossed Cyp7a1(-/-) mice ...

journal_title：Journal of lipid research

authors： Ferrell JM,Boehme S,Li F,Chiang JY

更新日期：2016-07-01 00:00:00

abstract：:Oligosaccharyl phosphates (OSPs) are hydrolyzed from oligosaccharide-diphosphodolichol (DLO) during protein N-glycosylation by an uncharacterized process. An OSP-generating activity has been reported in vitro, and here we asked if its biochemical characteristics are compatible with a role in endoplasmic reticulum (ER)...

journal_title：Journal of lipid research

authors： Massarweh A,Bosco M,Iatmanen-Harbi S,Tessier C,Auberger N,Busca P,Chantret I,Gravier-Pelletier C,Moore SE

更新日期：2016-06-01 00:00:00

abstract：:Reduced white adipose tissue (WAT) LPL activity delays plasma clearance of TG-rich lipoproteins (TRLs). We reported the secretion of apoC-I, an LPL inhibitor, from WAT ex vivo in women. Therefore we hypothesized that WAT-secreted apoC-I associates with reduced WAT LPL activity and TRL clearance. WAT apoC-I secretion a...

journal_title：Journal of lipid research

authors： Cyr Y,Wassef H,Bissonnette S,Lamantia V,Davignon J,Faraj M

更新日期：2016-06-01 00:00:00

abstract：:Neutral sphingomyelinase-2 (nSMase2) is a key ceramide-producing enzyme in cellular stress responses. While many posttranslational regulators of nSMase2 are known, emerging evidence suggests a more protracted regulation of nSMase2 at the transcriptional level. Previously, we reported that nSMase2 is induced by all-tra...

journal_title：Journal of lipid research

authors： Clarke CJ,Shamseddine AA,Jacob JJ,Khalife G,Burns TA,Hannun YA

更新日期：2016-05-01 00:00:00

abstract：:The expansion of lipid droplets (LDs) and the differentiation of preadipocytes are two important aspects of mammalian lipid storage. In this study, we examined the role of CDP-diacylglycerol (DAG) synthases (CDSs), encoded by CDS1 and CDS2 genes in mammals, in lipid storage. CDS enzymes catalyze the formation of CDP-D...

journal_title：Journal of lipid research

authors： Qi Y,Kapterian TS,Du X,Ma Q,Fei W,Zhang Y,Huang X,Dawes IW,Yang H

更新日期：2016-05-01 00:00:00

abstract：:The phospholipase A2(PLA2) activity of peroxiredoxin (Prdx)6 has important physiological roles in the synthesis of lung surfactant and in the repair of peroxidized cell membranes. These functions require the activity of a lysophospholipid acyl transferase as a critical component of the phospholipid remodeling pathway....

journal_title：Journal of lipid research

authors： Fisher AB,Dodia C,Sorokina EM,Li H,Zhou S,Raabe T,Feinstein SI

更新日期：2016-04-01 00:00:00

abstract：:A multiplexed assay was developed by MS to analyze, in a single run, six major human Apos involved in lipoprotein metabolism: ApoA-I, ApoA-II, ApoB100, ApoC-II, ApoC-III, and ApoE. This method was validated in vivo in six subjects who received a 14 h constant infusion of [5,5,5-(2)H3]L-leucine at 10 μM/kg/h. Plasma li...

journal_title：Journal of lipid research

authors： Croyal M,Fall F,Ferchaud-Roucher V,Chétiveaux M,Zaïr Y,Ouguerram K,Krempf M,Nobécourt E

更新日期：2016-03-01 00:00:00

abstract：:The human retina is well-known to have unique lipid profiles enriched in long-chain polyunsaturated fatty acids (LC-PUFAs) and very long-chain polyunsaturated fatty acids (VLC-PUFAs) that appear to promote normal retinal structure and function, but the influence of diet on retinal lipid profiles in health and disease ...

journal_title：Journal of lipid research

authors： Gorusupudi A,Liu A,Hageman GS,Bernstein PS

更新日期：2016-03-01 00:00:00

abstract：:In eukaryotes, many cell surface proteins are attached to the plasma membrane via a glycolipid glycosylphosphatidylinositol (GPI) anchor. GPI-anchored proteins (GPI-APs) receive the GPI anchor as a conserved posttranslational modification in the lumen of the endoplasmic reticulum (ER). After anchor attachment, the GPI...

journal_title：Journal of lipid research

authors： Muñiz M,Riezman H

更新日期：2016-03-01 00:00:00

abstract：:Signaling through the phosphoinositide 3-kinase pathways mediates the actions of a plethora of hormones, growth factors, cytokines, and neurotransmitters upon their target cells following receptor occupation. Overactivation of these pathways has been implicated in a number of pathologies, in particular a range of mali...

journal_title：Journal of lipid research

authors： Rudge SA,Wakelam MJ

更新日期：2016-02-01 00:00:00

abstract：:To identify novel fatty acid diol synthases, putative candidate sequences from Penicillium species were analyzed, and hydroxy fatty acid production by crude Penicillium enzyme extracts was assessed. Penicillium chrysogenum was found to produce an unknown dihydroxy fatty acid, a candidate gene implicated in this produc...

journal_title：Journal of lipid research

authors： Shin KC,Seo MJ,Oh DK

更新日期：2016-02-01 00:00:00

abstract：:Glycosylphosphatidylinositols (GPIs) act as membrane anchors of many eukaryotic cell surface proteins. GPIs in various organisms have a common backbone consisting of ethanolamine phosphate (EtNP), three mannoses (Mans), one non-N-acetylated glucosamine, and inositol phospholipid, whose structure is EtNP-6Manα-2Manα-6M...

journal_title：Journal of lipid research

authors： Kinoshita T,Fujita M

更新日期：2016-01-01 00:00:00

abstract：:Lipids are used as cellular building blocks and condensed energy stores and also act as signaling molecules. The glycerolipid/ fatty acid cycle, encompassing lipolysis and lipogenesis, generates many lipid signals. Reliable procedures are not available for measuring activities of several lipolytic enzymes for the purp...

journal_title：Journal of lipid research

authors： Iglesias J,Lamontagne J,Erb H,Gezzar S,Zhao S,Joly E,Truong VL,Skorey K,Crane S,Madiraju SR,Prentki M

更新日期：2016-01-01 00:00:00

abstract：:Fatty acid binding protein 4 (FABP4), also known as adipocyte FABP or aP2, is secreted from adipocytes in association with lipolysis as a novel adipokine, and elevated serum FABP4 level is associated with obesity, insulin resistance, and atherosclerosis. However, little is known about the modulation of serum FABP4 lev...

journal_title：Journal of lipid research

authors： Furuhashi M,Hiramitsu S,Mita T,Fuseya T,Ishimura S,Omori A,Matsumoto M,Watanabe Y,Hoshina K,Tanaka M,Moniwa N,Yoshida H,Ishii J,Miura T

更新日期：2015-12-01 00:00:00

abstract：:Lilly PCSK9 antibody LY3015014 (LY) is a monoclonal antibody (mAb) that neutralizes proprotein convertase subtilisin-kexin type 9 (PCSK9). LY decreases LDL cholesterol in monkeys and, unlike other PCSK9 mAbs, does not cause an accumulation of intact PCSK9 in serum. Comparing the epitope of LY with other clinically tes...

journal_title：Journal of lipid research

authors： Schroeder KM,Beyer TP,Hansen RJ,Han B,Pickard RT,Wroblewski VJ,Kowala MC,Eacho PI

更新日期：2015-11-01 00:00:00

abstract：:Ricinoleic acid (12-hydroxyoctadec-cis-9-enoic acid) has many specialized uses in bioproduct industries, while castor bean is currently the only commercial source for the fatty acid. This report describes metabolic engineering of a microbial system (Pichia pastoris) to produce ricinoleic acid using a "push" (synthesis...

journal_title：Journal of lipid research

authors： Meesapyodsuk D,Chen Y,Ng SH,Chen J,Qiu X

更新日期：2015-11-01 00:00:00

abstract：:Selenocysteine (Sec) insertion sequence-binding protein 2 (SBP2) is essential for the biosynthesis of Sec-containing proteins, termed selenoproteins. Subjects with mutations in the SBP2 gene have decreased levels of several selenoproteins, resulting in a complex phenotype. Selenoproteins play a significant role in ant...

journal_title：Journal of lipid research

authors： Saito Y,Shichiri M,Hamajima T,Ishida N,Mita Y,Nakao S,Hagihara Y,Yoshida Y,Takahashi K,Niki E,Noguchi N

更新日期：2015-11-01 00:00:00

abstract：:The esterification of lysophospholipids contributes to phospholipid synthesis, remodeling, and scavenging. Acyl-CoA-dependent lysophospholipid acyltransferase activity with broad substrate use is mediated by Saccharomyces cerevisiae Lpt1p. We sought to identify Lpt1p active site amino acids besides the histidine conse...

journal_title：Journal of lipid research

authors： Renauer P,Nasiri N,Oelkers P

更新日期：2015-11-01 00:00:00

abstract：:Ceramidases catalyze the cleavage of ceramides into sphingosine and fatty acids. Previously, we reported on the use of the RBM14 fluorogenic ceramide analogs to determine acidic ceramidase activity. In this work, we investigated the activity of other amidohydrolases on RBM14 compounds. Both bacterial and human purifie...

journal_title：Journal of lipid research

authors： Casasampere M,Camacho L,Cingolani F,Casas J,Egido-Gabás M,Abad JL,Bedia C,Xu R,Wang K,Canals D,Hannun YA,Mao C,Fabrias G

更新日期：2015-10-01 00:00:00

abstract：:Dietary n-3 long-chain PUFAs (LC-PUFAs) are associated with improvement in the parameters of the metabolic syndrome (MetS). Glucokinase regulatory protein (GCKR) is a key protein regulating intracellular glucose disposal. Our aim was to investigate: i) the relationship between the GCKR rs1260326 (Pro446Leu) polymorphi...

journal_title：Journal of lipid research

authors： Rousseaux J,Duhamel A,Dumont J,Dallongeville J,Molnar D,Widhalm K,Manios Y,Sjöström M,Kafatos A,Breidenassel C,Gonzales-Gross M,Cuenca-Garcia M,Censi L,Ascensión M,De Henauw S,Moreno LA,Meirhaeghe A,Gottrand F

更新日期：2015-09-01 00:00:00

abstract：:Steroids are primarily present in human fluids in their sulfated forms. Profiling of these compounds is important from both diagnostic and physiological points of view. Here, we present a novel method for the quantification of 11 intact steroid sulfates in human serum by LC-MS/MS. The compounds analyzed in our method,...

journal_title：Journal of lipid research

authors： Sánchez-Guijo A,Oji V,Hartmann MF,Traupe H,Wudy SA

更新日期：2015-09-01 00:00:00

abstract：:Among the family of phospholipases A2 (PLA2s) are the Ca(2+)-independent PLA2s (iPLA2s) and they are designated group VI iPLA2s. In relation to secretory and cytosolic PLA2s, the iPLA2s are more recently described and details of their expression and roles in biological functions are rapidly emerging. The iPLA2s or pat...

journal_title：Journal of lipid research

authors： Ramanadham S,Ali T,Ashley JW,Bone RN,Hancock WD,Lei X

更新日期：2015-09-01 00:00:00

abstract：:Recent studies demonstrate that HDL's ability to promote cholesterol efflux from macrophages associates strongly with cardioprotection in humans independently of HDL-cholesterol (HDL-C) and apoA-I, HDL's major protein. However, the mechanisms that impair cholesterol efflux capacity during vascular disease are unclear....

journal_title：Journal of lipid research

authors： Vaisar T,Tang C,Babenko I,Hutchins P,Wimberger J,Suffredini AF,Heinecke JW

更新日期：2015-08-01 00:00:00

abstract：:SREBP cleavage-activating protein (Scap) is an endoplasmic reticulum membrane protein required for cleavage and activation of sterol regulatory element-binding proteins (SREBPs), which activate the transcription of genes in sterol and fatty acid biosynthesis. Liver-specific loss of Scap is well tolerated; hepatic synt...

journal_title：Journal of lipid research

authors： McFarlane MR,Cantoria MJ,Linden AG,January BA,Liang G,Engelking LJ

更新日期：2015-08-01 00:00:00

abstract：:Our previous studies have shown accumulation of GM2 ganglioside during ethanol-induced neurodegeneration in the developing brain, and GM2 elevation has also been reported in other brain injuries and neurodegenerative diseases. Using GM2/GD2 synthase KO mice lacking GM2/GD2 and downstream gangliosides, the current stud...

journal_title：Journal of lipid research

authors： Saito M,Wu G,Hui M,Masiello K,Dobrenis K,Ledeen RW,Saito M

更新日期：2015-08-01 00:00:00

abstract：:Humans and mice lacking angiopoietin-like protein 3 (ANGPTL3) have pan-hypolipidemia. ANGPTL3 inhibits two intravascular lipases, LPL and endothelial lipase, and the low plasma TG and HDL-cholesterol levels in ANGPTL3 deficiency reflect increased activity of these enzymes. The mechanism responsible for the low LDL-cho...

journal_title：Journal of lipid research

authors： Wang Y,Gusarova V,Banfi S,Gromada J,Cohen JC,Hobbs HH

更新日期：2015-07-01 00:00:00

abstract：:In addition to their classical roles as detergents to aid in the process of digestion, bile acids have been identified as important signaling molecules that function through various nuclear and G protein-coupled receptors to regulate a myriad of cellular and molecular functions across both metabolic and nonmetabolic p...

journal_title：Journal of lipid research

authors： Dawson PA,Karpen SJ

更新日期：2015-06-01 00:00:00