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https://www.readbyqxmd.com/read/28527370/atherosclerotic-dyslipidemia-revealed-by-plasma-lipidomics-on-apoe-mice-fed-a-high-fat-diet
#1
Yanyan Chen, Shiyuan Wen, Miaomiao Jiang, Yan Zhu, Liqin Ding, Hong Shi, Pengzhi Dong, Jing Yang, Yue Yang
BACKGROUND AND AIMS: The pathological process of atherosclerosis is closely related to lipid accumulation at arterial wall caused by lipoproteins transporting lipids through blood. In this study, we investigate the lipid composition in the plasma of apolipoprotein E deficient (ApoE(-/-)) mice fed a high-fat diet to reveal atherosclerosis-induced dyslipidemia. METHODS: ApoE(-/-) and corresponding wild-type C57BL/6J mice were used as the pathology model and control, respectively, and were fed a high-fat or normal diet...
May 11, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28527367/ysicochemical-properties-lipid-oxidation-and-sensory-attributes-of-pork-patties-with-lupin-protein-concentrate-stored-in-vacuum-modified-atmosphere-and-frozen-state
#2
Marzena Danowska-Oziewicz, Lidia Kurp
The effect of lupin protein concentrate (LPC) addition on selected physicochemical properties, lipid oxidation and sensory quality of pork patties was investigated. LPC was added at the level 1%, 2% and 3%. Patties were packed in vacuum and modified atmosphere (MA) and stored 42days in a refrigerator while aerobically packed patties were stored 84days in a frozen state. Patties with LPC showed a lower cooking loss, were less cohesive and juicy, and demonstrated a non-typical flavour compared to the control samples...
May 10, 2017: Meat Science
https://www.readbyqxmd.com/read/28511119/effects-of-breviscapine-on-amyloid-beta-1-42-induced-alzheimer-s-disease-mice-a-hplc-qtof-ms-based-plasma-metabonomics-study
#3
Hongjun Xia, Lingling Wu, Mengying Chu, Huimin Feng, Chunliang Lu, Qinghe Wang, Minghai He, Xiaoqun Ge
Herba Erigerontis has long been used to cure apoplexy hemiplegia and precordial pain in China. In addition, the bioactivities of its total flavonoids-breviscapine included inhibiting amyloid beta (Aβ) fibril formation, antioxidation and metal chelating, which are beneficial to treat Alzheimer's disease (AD). Hence, A HPLC-QTOF-MS based plasma metabonomics approach was applied to investigate the neuroprotective effects of breviscapine on intracerebroventricular injection of aggregated Aβ 1-42 induced AD mice for the first time in the study...
July 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28506691/urinary-lysophopholipids-are-increased-in-diabetic-patients-with-nephropathy
#4
Jean-Sébastien Saulnier-Blache, Eva Feigerlova, Jean Michel Halimi, Pierre Gourdy, Ronan Roussel, Bruno Guerci, Aude Dupuy, Justine Bertrand-Michel, Jean-Loup Bascands, Samy Hadjadj, Joost P Schanstra
Diabetic nephropathy (DN) is a major cause of chronic kidney disease that frequently leads to end stage renal failure. Lysophosphatidic acid (LPA) and lysophosphatidylcholine (LPC) are lysophospholipid mediators shown to accumulate in kidney and to promote renal inflammation and tubulo-interstitial fibrosis in diabetic rodent models. Here we assessed whether LPA and LPC were associated to the development of nephropathy in diabetic human patients. Several molecular species of LPA and LPC were quantified by LC/MS-MS in urine and plasma from type 2 diabetic patients with (cases; n=41) or without (controls, n=41) nephropathy symptoms (micro/macro-albuminuria and eGFR<60ml/min/1...
May 10, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28504963/novel-pleiotropic-effects-of-bioactive-phospholipids-in-human-lung-cancer-metastasis
#5
Gabriela Schneider, Zachariah Payne Sellers, Kamila Bujko, Sham S Kakar, Magda Kucia, Mariusz Z Ratajczak
We previously proposed that one of the unwanted side effects of chemotherapy and radiotherapy is the increase in several peptide- and non-peptide based chemoattractants in damaged tissues, leading to induction of a prometastatic microenvironment for remaining cancer cells. Herein, we turned out our attention to a potential role of bioactive phospholipids (BphsLs), such as sphingosine-1-phosphate (S1P), ceramide-1-phosphate (C1P), lysophosphatidylcholine (LPC), and lysophosphatidic acid (LPA) in lung cancer (LC) metastasis...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28494778/lysophosphatidylcholine-acyltransferase-1-upregulation-and-concomitant-phospholipid-alterations-in-clear-cell-renal-cell-carcinoma
#6
Yiqing Du, Qiang Wang, Xingzhong Zhang, Xiaofeng Wang, Caipeng Qin, Zhengzuo Sheng, Huaqi Yin, Changtao Jiang, Jing Li, Tao Xu
BACKGROUND: The involvement of lipid metabolism in tumourigenesis and the progression of clear cell renal cell carcinoma (ccRCC) have been reported. However, the role of phospholipid profile alterations in ccRCC has not yet been systematically explored. In the present study, we compared the phospholipid compositions between ccRCC and paired normal renal tissues. METHODS: The phospholipid compositions of paired ccRCC and normal renal tissues were evaluated using liquid chromatography tandem mass spectrometry (LC/MS/MS)...
May 12, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28484061/patient-knowledge-and-qualities-of-treatment-decisions-for-localized-prostate-cancer
#7
Lisa M Daum, Elyse N Reamer, Julie J Ruterbusch, Joe Liu, Margaret Holmes-Rovner, Jinping Xu
BACKGROUND: Controversy surrounds treatment for localized prostate cancer (LPC). OBJECTIVES: To assess men's localized prostate cancer (LPC) knowledge and its association with decision-making difficulty, satisfaction and regret. METHODS: Population-based sample of 201 men (104 white, 97 black), ≤ 75 years with newly diagnosed LPC completed a self-administered survey. RESULTS: Mean age was 61(±7.6) years; two-thirds had less than a Bachelor's degree...
May 2017: Journal of the American Board of Family Medicine: JABFM
https://www.readbyqxmd.com/read/28460903/lipidomic-investigation-of-eggs-yolk-changes-in-lipid-profile-of-eggs-from-different-conditions
#8
Ana M Campos, Fernando Ricardo, Eliana Alves, Ana Reis, Daniela Couto, Pedro Domingues, M Rosário M Domingues
Eggs are one of the main foods eaten worldwide. Nutritionally they are one of the main sources of dietary lipids, impacting human health. Egg yolk lipid composition changes depending on different conditions associated with hens raising. Therefore, the purpose of our work was to use a lipidomic approach as a tool to evaluate if different diets (vegetable versus animal) and raising environments (free range versus indoor) interfere in the triacylglycerol (TAG) and phospholipid (PL) profiles of eggs' yolks and to use such differences to differentiate eggs according to their origin...
November 2016: Food Research International
https://www.readbyqxmd.com/read/28458256/aging-associated-oxidative-stress-inhibits-liver-progenitor-cell-activation-in-mice
#9
Yiji Cheng, Xue Wang, Bei Wang, Hong Zhou, Shipeng Dang, Yufang Shi, Li Hao, Qingquan Luo, Min Jin, Qianjun Zhou, Yanyun Zhang
Recent studies have discovered aging-associated changes of adult stem cells in various tissues and organs, which potentially contribute to the organismal aging. However, aging-associated changes of liver progenitor cells (LPCs) remain elusive. Employing young (2-month-old) and old (24-month-old) mice, we found diverse novel alterations in LPC activation during aging. LPCs in young mice could be activated and proliferate upon liver injury, whereas the counterparts in old mice failed to respond and proliferate, leading to the impaired liver regeneration...
May 1, 2017: Aging
https://www.readbyqxmd.com/read/28449277/expertise-shapes-domain-specific-functional-cerebral-asymmetry-during-mental-imagery-the-case-of-culinary-arts-and-music
#10
Moustafa Bensafi, Arnaud Fournel, Pauline Joussain, Johan Poncelet, Lauranne Przybylski
Mental imagery in experts has been documented in visual arts, music and dance. Here, we examined this issue in an understudied art domain, namely culinary arts. Previous research investigating mental imagery in experts has reported either a stronger involvement of the right hemisphere or bilateral brain activation. The first aim of our study was to examine whether culinary arts also recruit such a hemispheric pattern specifically during odor mental imagery. In a second aim, we investigated whether expertise effects observed in a given sensory domain transfer to another modality...
April 27, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28445489/video-quality-assessment-using-motion-compensated-temporal-filtering-and-manifold-feature-similarity
#11
Yang Song, Mei Yu, Gangyi Jiang, Feng Shao, Zongju Peng
Well-performed Video quality assessment (VQA) method should be consistent with human visual systems for better prediction accuracy. In this paper, we propose a VQA method using motion-compensated temporal filtering (MCTF) and manifold feature similarity. To be more specific, a group of frames (GoF) is first decomposed into a temporal high-pass component (HPC) and a temporal low-pass component (LPC) by MCTF. Following this, manifold feature learning (MFL) and phase congruency (PC) are used to predict the quality of temporal LPC and temporal HPC respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28444343/lysolecithin-as-feed-additive-enhances-collagen-expression-and-villus-length-in-the-jejunum-of-broiler-chickens
#12
D L Brautigan, R Li, E Kubicka, S D Turner, J S Garcia, M L Weintraut, E A Wong
Adding lysolecithin to feed has reportedly improved the performance of broiler chickens. Lysolecithin is generated by phospholipase catalyzed hydrolysis of lecithin. The enzymatic reaction converts various phospholipids into the corresponding lysophospholipids, with lysophosphatidylcholine (LPC) one of the primary products. Here we compared supplementation with a commercial lysolecithin (Lysoforte®) with comparable levels of highly purified LPC for effects on broilers. Despite no differences in weight gain during the starter period, we discovered a significant increase in average villus length with lysolecithin and an increase in villus width with purified LPC...
April 24, 2017: Poultry Science
https://www.readbyqxmd.com/read/28441544/enrichment-of-resolving-power-improves-ion-peak-quantification-on-a-lipidomics-platform
#13
Kosuke Saito, Yasuo Ohno, Yoshiro Saito
In this study, we delineated the importance of MS resolving power on the ion-peak quantification of lipids using an Orbitrap Fusion instrument and established a liquid chromatography-based, high-performance lipidomics platform. The ion-peak recognition of several lipids in human plasma, such as LPC(15:0), LPE(22:5), and PC(35:0), was clearly improved by increasing the MS resolving power. In addition, we evaluated the impact of resolving power on the quantitative detection of lipids by automatic ion-peak recognition with calculation of the coefficient of variance (CV)...
April 13, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28438529/an-erp-investigation-of-vertical-reading-fluency-in-scrabble-%C3%A2-experts
#14
Sophia van Hees, Sabine Seyffarth, Penny M Pexman, Filomeno Cortese, Andrea B Protzner
Previous studies have found that competitive Scrabble expertise is associated with enhanced performance on visual lexical decision tasks (LDT), particularly for vertically presented stimuli. In the current study, we investigated the underlying mechanisms responsible for this vertical fluency. We examined behaviour and neural activity during LDT in 19 competitive Scrabble players and 18 matched controls. Using event related potentials (ERP), we investigated whether Scrabble expertise modulates the N170, P300, and late positive component (LPC), associated with visual-orthographic processing, working memory, and stimulus classification, respectively...
April 21, 2017: Brain Research
https://www.readbyqxmd.com/read/28438125/chlamydia-spp-development-is-differentially-altered-by-treatment-with-the-lpxc-inhibitor-lpc-011
#15
Erik D Cram, Daniel D Rockey, Brian P Dolan
BACKGROUND: Chlamydia species are obligate intracellular bacteria that infect a broad range of mammalian hosts. Members of related genera are pathogens of a variety of vertebrate and invertebrate species. Despite the diversity of Chlamydia, all species contain an outer membrane lipooligosaccharide (LOS) that is comprised of a genus-conserved, and genus-defining, trisaccharide 3-deoxy-D-manno-oct-2-ulosonic acid Kdo region. Recent studies with lipopolysaccharide inhibitors demonstrate that LOS is important for the C...
April 24, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28433954/lipidomic-profile-in-three-species-of-dinoflagellates-amphidinium-carterae-cystodinium-sp-and-peridinium-aciculiferum-containing-very-long-chain-polyunsaturated-fatty-acids
#16
Tomáš Řezanka, Jaromír Lukavský, Linda Nedbalová, Karel Sigler
This study describes the identification of very long chain polyunsaturated fatty acids (VLCPUFAs) in three strains of dinoflagellates (Amphidinium carterae, Cystodinium sp., and Peridinium aciculiferum). The strains were cultivated and their lipidomic profiles were obtained by high resolution mass spectrometry with the aid of positive and negative electrospray ionization (ESI) mode by Orbitrap apparatus. Hydrophilic interaction liquid chromatography (HILIC/ESI) was used to separate major lipid classes of the three genera of dinoflagellates by neutral loss scan showing the ion [M + H-28:8](+), where 28:8 was octacosaoctaenoic acid, and by precursor ion scanning of ions at m/z 407, which was an ion corresponding to the structure of acyl of 28:8 acid (C27H39COO(-))...
July 2017: Phytochemistry
https://www.readbyqxmd.com/read/28431151/dietary-choline-and-phospholipid-supplementation-enhanced-docosahexaenoic-acid-enrichment-in-egg-yolk-of-laying-hens-fed-a-2-schizochytrium-powder-added-diet
#17
H Wang, H J Zhang, X C Wang, S G Wu, J Wang, L Xu, G H Qi
The aim of this study was to evaluate the effect of dietary phospholipid supplementation on laying hen performance, egg quality, and the fatty acid profile of egg yolks from hens fed a 2% Schizochytrium powder diet. Three-hundred-sixty 28-wk-old Hy-line W-36 laying hens were randomly allocated to one of the 5 dietary treatments, each treatment with 6 replicates of 12 birds each. All diets included 2% Schizochytrium powder (docosahexaenoic acid [DHA], 137.09 mg/g). The control group was not supplemented with any additional phospholipids, whereas the other 4 experimental diets were supplemented with 1,000 mg/kg choline (CHO), 1,000 mg/kg monoethanolamine (MEA), 1,000 mg/kg lysophosphatidylcholine (LPC), or 500 mg/kg LPC + 500 mg/kg MEA (LPC + MEA)...
April 20, 2017: Poultry Science
https://www.readbyqxmd.com/read/28427932/reciprocal-changes-in-noradrenaline-and-gaba-levels-in-discrete-brain-regions-upon-rapid-eye-movement-sleep-deprivation-in-rats
#18
Rachna Mehta, Sudhuman Singh, Mudasir Ahmad Khanday, Birendra Nath Mallick
Rapid eye movement sleep (REMS) plays important role in maintenance of normal brain functions. Neurons containing various neurotransmitters in different brain regions interact to regulate this complex phenomenon in health and diseases. The number of neuronal projections, their firing rates and neurotransmitter levels vary in different brain regions under various conditions leading to normal or altered patho-physio-behavioral states. In this study using high performance liquid chromatography (HPLC) we quantified noradrenaline (NA) and gamma-amino butyric acid (GABA) levels in locus coeruleus (LC), dorsal raphe (DR), pedunculo-pontine tegmentum (PPT), frontal lobe (FL), cortex and hippocampus (Hippo) in control and after 96 h REMS deprivation (REMSD) rats...
April 17, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28417214/neural-processes-associated-with-vocabulary-and-vowel-length-differences-in-a-dialect-an-erp-study-in-pre-literate-children
#19
Jessica C Bühler, Franziska Waßmann, Daniela Buser, Flutra Zumberi, Urs Maurer
Although familiarity with a language impacts how phonology and semantics are processed at the neural level, little is known how these processes are affected by familiarity with a dialect. By measuring event-related potentials (ERPs) in kindergarten children we investigated neural processing related to familiarity with dialect-specific pronunciation and lexicality of spoken words before literacy acquisition in school. Children speaking one of two German dialects were presented with spoken word-picture pairings, in which congruity (or the lack thereof) was defined by dialect familiarity with pronunciation or vocabulary...
April 17, 2017: Brain Topography
https://www.readbyqxmd.com/read/28408542/acyl-coa-lysophosphatidylethanolamine-acyltransferase-activity-affects-growth
#20
Katarzyna Jasieniecka-Gazarkiewicz, Ida Lager, Anders Carlsson, Katharina Gutbrod, Helga Peisker, Peter Dörmann, Sten Stymne, Antoni Banas
Arabidopsis contains two enzymes (encoded by the At1g80950 and At2g456702 genes) preferentially acylating lyso-phosphatidylethanolamine (LPE) with acyl-CoA, designated lyso-phosphatidylethanolamine acyltransferase 1 (LPEAT1) and lyso-phosphatidylethanolamine acyltransferase 2 (LPEAT2). T-DNA insertion mutants of lpeat2 and double mutants of lpeat1 lpeat2 showed impaired growth, smaller leaves, shorter roots, less seed setting and reduced lipid content per FW in roots and seeds and large increases in LPE and lyso-phosphatidylcholine (LPC) contents in leaves...
April 13, 2017: Plant Physiology
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