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Conjugated linoleic acid

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https://www.readbyqxmd.com/read/28540041/effects-of-quantitative-feed-restriction-and-sex-on-carcass-traits-meat-quality-and-meat-lipid-profile-of-morada-nova-lambs
#1
Thiago L A C de Araújo, Elzânia S Pereira, Ivone Y Mizubuti, Ana C N Campos, Marília W F Pereira, Eduardo L Heinzen, Hilton C R Magalhães, Leilson R Bezerra, Luciano P da Silva, Ronaldo L Oliveira
BACKGROUND: An experiment was conducted to evaluate the effects of feed restriction (FR) and sex on the quantitative and qualitative carcass traits of Morada Nova lambs. Thirty-five animals with an initial body weight of 14.5 ± 0.89 kg and age of 120 d were used in a completely randomized study with a 3 × 3 factorial scheme consisting of three sexes (11 entire males, 12 castrated males and 12 females) and three levels of feeding (ad libitum - AL and 30% and 60% FR). RESULTS: Entire males presented greater hot and cold carcass weights (P < 0...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28523042/effect-of-conjugated-linoleic-acid-supplementation-on-quality-of-life-in-rectal-cancer-patients-undergoing-preoperative-chemoradiotherapy
#2
Elnaz Faramarzi, Reza Mahdavi, Mohammad Mohammad-Zadeh, Behnam Nasirimotlagh, Sarvin Sanaie
OBJECTIVES: This study set out with the aim of evaluating the effect of conjugated linoleic acid (CLA) supplementation on quality of life in rectal cancer patients undergoing to preoperative chemoradiotherapy. METHODS: In this study, 33 volunteer patients with rectal cancer treated with preoperative chemoradiotherapy were allocated in the CLA (n=16) and the placebo groups (n=17). The CLA group and placebo groups received 3 gr CLA/d and 4 placebo capsules for 6 weeks respectively...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28521988/enhanced-solubility-and-antioxidant-activity-of-chlorogenic-acid-chitosan-conjugates-due-to-the-conjugation-of-chitosan-with-chlorogenic-acid
#3
Liyun Rui, Minhao Xie, Bing Hu, Li Zhou, Muhammad Saeeduddin, Xiaoxiong Zeng
Chlorogenic acid-chitosan conjugate was synthesized by introducing of chlorogenic acid onto chitosan with the aid of 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide and hydroxybenzotriazole. The data of UV-vis, FT-IR and NMR for chlorogenic acid-chitosan conjugates demonstrated the successful conjugation of chlorogenic acid with chitosan. Compared to chitosan, chlorogenic acid-chitosan conjugates exhibited increased solubility in distilled water, 1% acetic acid solution (v/v) or 50% ethanol solution (v/v) containing 0...
August 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28521607/intravenous-fish-oil-and-pediatric-intestinal-failure-associated-liver-disease-changes-in-plasma-phytosterols-cytokines-and-bile-acids-and-erythrocyte-fatty-acids
#4
Kara L Calkins, Andrea DeBarber, Robert D Steiner, Martiniano J Flores, Tristan R Grogan, Susanne M Henning, Laurie Reyen, Robert S Venick
BACKGROUND: Soybean oil (SO) emulsions are associated with intestinal failure-associated liver disease (IFALD); fish oil (FO) emulsions are used to treat IFALD. SO and FO differ with respect to their fatty acid and phytosterol content. In children with IFALD whose SO was replaced with FO, we aimed to (1) quantify changes in erythrocyte fatty acids and plasma phytosterols, cytokines, and bile acids and (2) correlate these changes with direct bilirubin (DB). DESIGN: This study enrolled IFALD children who received 6 months of FO...
May 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28507012/dietary-factors-promoting-brown-and-beige-fat-development-and-thermogenesis
#5
REVIEW
Meshail Okla, Jiyoung Kim, Karsten Koehler, Soonkyu Chung
Brown adipose tissue (BAT) is a specialized fat tissue that has a high capacity to dissociate cellular respiration from ATP utilization, resulting in the release of stored energy as heat. Adult humans possess a substantial amount of BAT in the form of constitutively active brown fat or inducible beige fat. BAT activity in humans is inversely correlated with adiposity, blood glucose concentrations, and insulin sensitivity; this suggests that strategies aimed at BAT-mediated bioenergetics are an attractive therapeutic target in combating the continuing epidemic of obesity and diabetes...
May 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28501397/effect-of-conjugated-linoleic-acid-and-acetate-on-milk-fat-synthesis-and-adipose-lipogenesis-in-lactating-dairy-cows
#6
N Urrutia, K J Harvatine
During biohydrogenation-induced milk fat depression (MFD), nutrients are spared from milk fat synthesis and are available for other metabolic uses. Acetate is the major carbon source spared and it may increase lipid synthesis in adipose tissue during MFD. The objective of this study was to compare the effect of trans-10, cis-12 conjugated linoleic acid (CLA) and the amount of acetate spared during CLA-induced MFD on adipose tissue lipogenesis. Nine multiparous, lactating, ruminally cannulated Holstein cows (244 ± 107 d in milk; 25 ± 8...
May 10, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28482548/innovative-superparamagnetic-iron-oxide-nanoparticles-coated-with-silica-and-conjugated-with-linoleic-acid-effect-on-tumor-cell-growth-and-viability
#7
Giuliana Muzio, Marta Miola, Sara Ferraris, Marina Maggiora, Elisa Bertone, Maria Paola Puccinelli, Marina Ricci, Ester Borroni, Rosa Angela Canuto, Enrica Verné, Antonia Follenzi
One of the goals for the development of more effective cancer therapies with reduced toxic side effects is the optimization of innovative treatments to selectively kill tumor cells. The use of nanovectors loaded with targeted therapeutic payloads is one of the most investigated strategies. In this paper superparamagnetic iron oxide nanoparticles (SPIONs) coated by a silica shell or uncoated, were functionalized with single-layer and bi-layer conjugated linoleic acid (CLA). Silica was used to protect the magnetic core from oxidation, improve the stability of SPIONs and tailor their surface reactivity...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28470063/green-synthesis-of-conjugated-linoleic-acids-from-plant-oils-using-a-novel-synergistic-catalytic-system
#8
Yu Zhang, Huaxiang Gu, Hao Shi, Fei Wang, Xun Li
A novel and efficient method has been developed for converting plant oil into a specific conjugated linoleic acid (CLA) using a synergistic biocatalytic system based on immobilized Propionibacterium acnes isomerase (PAI) and Rhizopus oryzae lipase (ROL). PAI exhibited the greatest catalytic activity when immobilized on D301R anion-exchange resin under optimal conditions (PAI dosage: 12,410 U PAI/g D301R; glutaraldehyde concentration: 0.4%; reaction conditions: pH 7.0, 25 °C, 60 min). Up to 109 g/L trans-10, cis 12-CLA was obtained after incubation of 200 g/L sunflower oil with PAI (1659 U/g oil) and ROL (625 mU/g oil) at pH 7...
May 4, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28456404/effect-of-pre-and-postpartum-supplementation-with-lipid-encapsulated-conjugated-linoleic-acid-on-reproductive-performance-and-the-growth-hormone-insulin-like-growth-factor-i-axis-in-multiparous-high-producing-dairy-cows
#9
Z Csillik, V Faigl, M Keresztes, E Galamb, H M Hammon, A Tröscher, H Fébel, M Kulcsár, F Husvéth, Gy Huszenicza, W R Butler
The objective of the study was to evaluate the effect of prepartum and postpartum (PP) supplementation with 2 isomers of conjugated linoleic acid (CLA) on reproductive parameters and some related metabolic factors in dairy cows. High-producing, multiparous Holstein Friesian cows (n = 60) were allotted to 3 treatment groups: the CLA1 group (n = 20) was supplemented with 70 g of lipid-encapsulated CLA providing 7 g each of cis-9, trans-11 and trans-10, cis-12 CLA from d 21 (d 21) before expected calving until d 7 after artificial insemination (AI), that is, until 77 to 91 d PP; the CLA2 group (n = 20) was supplemented with the same amount of CLA beginning at calving until d 7 after AI; and the control group (n = 20) received an isocaloric, isonitrogenous, and isolipidic diet...
April 26, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28434739/the-effect-of-conjugated-linoleic-acid-acetate-and-their-interaction-on-adipose-tissue-lipid-metabolism-in-nonlactating-cows
#10
N Urrutia, Y Ying, K J Harvatine
During biohydrogenation-induced milk fat depression, adipose tissue lipogenesis may be increased through nutrients spared from milk fat synthesis. However, the direct effect of trans-10, cis-12 conjugated linoleic acid (CLA) and the indirect effect of spared nutrients on adipose tissue lipogenesis during milk fat depression is not clear. The objective of this study was to determine the direct effect of CLA, spared acetate, and their interaction on adipose tissue lipogenesis using nonlactating dairy cows as an experimental model, which allows separation of the effect of CLA and nutrient sparing...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28433853/addition-of-an-extract-of-lucerne-medicago-sativa-l-to-cattle-diets-effects-on-fatty-acid-profile-meat-quality-and-eating-quality-of-the-m-longissimus-muscle
#11
Siân B MacKintosh, Ian Richardson, Eun Joong Kim, Dirk Dannenberger, Didier Coulmier, Nigel D Scollan
There is considerable interest in enhancing beneficial fatty acids, particularly 18:3n-3, conjugated linoleic acid and long chain n-3 fatty acids such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), in beef to provide benefits to human health. Here, the potential to enhance these fatty acids by feeding a n-3 polyunsaturated fatty acid (PUFA)-rich plant extract (PX) from lucerne is presented. Cattle (n=8/diet) were assigned to the following finishing diets: straw and concentrate (S-CC); straw and concentrate containing 25% PX and 2000IUvitaminE/kg PX-concentrate (S-PXC); grass silage (GS); GS plus 75gPX/kg dry matter intake (DMI) (GS-LPX) or GS plus 150g PX/kg DMI (GS-HPX)...
August 2017: Meat Science
https://www.readbyqxmd.com/read/28424210/ucp2-attenuates-apoptosis-of-tubular-epithelial-cells-in-renal-ischemia-reperfusion-injury
#12
Yang Zhou, Ting Cai, Jing Xu, Lei Jiang, Jining Wu, Qi Sun, Ke Zen, Junwei Yang
Uncoupling protein 2 (UCP2) plays critical roles in energy metabolism and cell survival. Previous investigations showed that UCP2 regulated the production of extracellular matrix and renal fibrosis. However, little is known about UCP2 in acute kidney injury. Here, we used UCP2 knockout mice to investigate the role of UCP2 in AKI model generated by renal ischemia/reperfusion (I/R) injury. The UCP2 global knockout mice were born and growth normal without kidney histological abnormality or renal dysfunctions. As compared with littermates, deletion of UCP2 exacerbated I/R-induced AKI while increase of UCP2 by conjugated linoleic acid (CLA) attenuated I/R injury...
April 19, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28409336/dietary-docosahexaenoic-acid-and-trans-10-cis-12-conjugated-linoleic-acid-differentially-alter-oxylipin-profiles-in-mouse-periuterine-adipose-tissue
#13
Yuriko Adkins, Benjamin J Belda, Theresa L Pedersen, Dawn M Fedor, Bruce E Mackey, John W Newman, Darshan S Kelley
Diets containing high n-3 polyunsaturated fatty acids (PUFA) decrease inflammation and the incidence of chronic diseases including cardiovascular disease and nonalcoholic fatty liver disease while trans-fatty acids (TFA) intake increases the incidence of these conditions. Some health benefits of n-3 PUFA are mediated through the impact of their oxygenated metabolites, i.e. oxylipins. The TFA, trans-10, cis-12-conjugated linoleic acid (CLA; 18:2n-6) is associated with adipose tissue (AT) inflammation, oxidative stress, and wasting...
April 13, 2017: Lipids
https://www.readbyqxmd.com/read/28394396/effects-of-immunomodulatory-nutrients-on-growth-performance-and-immune-related-gene-expression-in-layer-chicks-challenged-with-lipopolysaccharide
#14
E L Wils-Plotz, K C Klasing
Immunomodulatory nutrients alter the immune response to pathogens. This study was conducted to determine the effects of immunomodulatory nutrients on the immune response to a lipopolysaccharide (LPS) challenge of layer chicks fed supplemental corn oil (control; 3%), fish oil (3%), conjugated linoleic acid (CLA; 1%), lutein (0.05 g/kg), or vitamin E (90 I.U./ kg). Four-week-old layer chicks were allotted to 10 treatment groups arranged as a 2 × 5 factorial with 2 sexes and 5 dietary treatments (TRT; 5 replicate pens of 2 male and 2 female chicks per TRT)...
March 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28387243/linoleic-acid-isomerase-gene-fglai12-affects-sensitivity-to-salicylic-acid-mycelial-growth-and-virulence-of-fusarium-graminearum
#15
Ya-Zhou Zhang, Zhen-Zhen Wei, Cai-Hong Liu, Qing Chen, Bin-Jie Xu, Zhen-Ru Guo, Yong-Li Cao, Yan Wang, Ya-Nan Han, Chen Chen, Xiang Feng, Yuan-Yuan Qiao, Lu-Juan Zong, Ting Zheng, Mei Deng, Qian-Tao Jiang, Wei Li, You-Liang Zheng, Yu-Ming Wei, Peng-Fei Qi
Fusarium graminearum is the major causal agent of fusarium head blight in wheat, a serious disease worldwide. Linoleic acid isomerase (LAI) catalyses the transformation of linoleic acid (LA) to conjugated linoleic acid (CLA), which is beneficial for human health. We characterised a cis-12 LAI gene of F. graminearum (FGSG_02668; FgLAI12), which was downregulated by salicylic acid (SA), a plant defence hormone. Disruption of FgLAI12 in F. graminearum resulted in decreased accumulation of cis-9,trans-11 CLA, enhanced sensitivity to SA, and increased accumulation of LA and SA in wheat spikes during infection...
April 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28380598/dietary-whole-and-cracked-linseed-increases-the-proportion-of-oleic-and-%C3%AE-linolenic-acids-in-adipose-tissues-and-decreases-stearoyl-coenzyme-a-desaturase-acetyl-coenzyme-a-carboxylase-and-fatty-acid-synthase-gene-expression-in-the-longissimus-thoracis-muscle
#16
X Z Li, C G Yan, J Yu, Q S Gao, S H Choi, J S Shin, S B Smith
We hypothesized that supplementation of linseed in a beef cattle fattening diet would increase PUFA concentrations in intramuscular adipose tissue and depress (), (), and () gene expression by decreasing () expression. Conversely, supplemental linseed would upregulate expression of () and () in muscle of Yanbian Yellow steers. Thirty steers were assigned at random to 3 groups of 10 steers fed either the basal diet (corn grain and corn silage-based commercial concentrate [CON]), the CON diet plus 8% whole linseed (WLS; DM basis), or the CON diet plus 8% cracked linseed (CLS; DM basis) for 6 mo...
February 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28370816/effect-of-supplemental-%C3%AE-carotene-compared-to-retinyl-palmitate-on-fatty-acid-profile-and-expression-of-mrna-from-genes-involved-in-vitamin-a-metabolism-in-beef-feedlot-cattle
#17
Kaitlin N Condron, Jolena N Waddell, Matt C Claeys, Ronald P Lemenager, Jon P Schoonmaker
To examine the effects of dietary β-carotene (βC) or retinyl palmitate (RP) on fatty acid (FA) profile and mRNA expression, samples were collected from 24 Angus-cross calves that were allotted to four treatments consisting of RP supplemented at 2200 IU/kg, and synthetic β-carotene (SβC) supplemented at one, five or 10 times RP. Longissimus muscle (LM) cis-9, trans-11 conjugated linoleic acid was greater in RP compared to SβC1X (P = 0.04). The polyunsaturated:saturated FA increased linearly (P = 0.04) in the LM as dietary SβC increased...
March 30, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28359203/distinct-fatty-acid-composition-of-some-edible-by-products-from-bovines-fed-high-or-low-silage-diets
#18
Cristina M Alfaia, Susana P Alves, José M Pestana, Marta S Madeira, Olga Moreira, José Santos-Silva, Rui Jb Bessa, Fidel Toldrá, José Am Prates
In the present study, it was hypothesized that the incorporation of fatty acids is distinct among ruminant tissues and that it could be modulated by diet composition. To test this hypothesis, fatty acid composition, including conjugated linoleic acid isomers, of the most relevant beef by-products (brain, heart, kidney, liver, pancreas and tongue) from young bulls those fed distinct silage levels was assessed. Data indicated a large variation in fatty acid profile and conjugated linoleic acid composition among edible by-products...
April 2017: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
https://www.readbyqxmd.com/read/28357546/a-metabolic-engineering-strategy-for-producing-conjugated-linoleic-acids-using-the-oleaginous-yeast-yarrowia-lipolytica
#19
Nabila Imatoukene, Jonathan Verbeke, Athanasios Beopoulos, Abdelghani Idrissi Taghki, Brigitte Thomasset, Claude-Olivier Sarde, Maurice Nonus, Jean-Marc Nicaud
Conjugated linoleic acids (CLAs) have been found to have beneficial effects on human health when used as dietary supplements. However, their availability is limited because pure, chemistry-based production is expensive, and biology-based fermentation methods can only create small quantities. In an effort to enhance microbial production of CLAs, four genetically modified strains of the oleaginous yeast Yarrowia lipolytica were generated. These mutants presented various genetic modifications, including the elimination of β-oxidation (pox1-6∆), the inability to store lipids as triglycerides (dga1∆ dga2∆ are1∆ lro1∆), and the overexpression of the Y...
March 29, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28347782/aggregation-of-t10-c12-conjugated-linoleic-acid-in-presence-of-natural-and-modified-cyclodextrins-a-physicochemical-thermal-and-computational-analysis
#20
Adrián Matencio, Francisco García-Carmona, José Manuel López-Nicolás
In this work the aggregation behavior of t10,c12 Conjugated linoleic acid (t10,c12-CLA) is presented for first time. The results show a c.m.c. of 25μM at pH 8 and 25°C. The encapsulation process with cyclodextrins (CDs) presented a 1:1 stoichiometry in all cases studied but the complexation constants were strongly dependent on the type of CDs used, the pH and temperature. Hydroxypropyl-beta-Cyclodextrin (HPβCD) was the best CD studied for encapsulating t10,c12-CLA. The resulting t10,c12-CLA-HPβCD complex showed a very high dependency on pH, which explains why a pKa of 4...
April 2017: Chemistry and Physics of Lipids
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