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https://www.readbyqxmd.com/read/28088424/comparison-between-conjugated-linoleic-acid-and-essential-fatty-acids-in-preventing-oxidative-stress-in-bovine-mammary-epithelial-cells
#1
L Basiricò, P Morera, D Dipasquale, A Tröscher, U Bernabucci
Some in vitro and in vivo studies have demonstrated protective effects of conjugated linoleic acid (CLA) isomers against oxidative stress and lipid peroxidation. However, only a few and conflicting studies have been conducted showing the antioxidant potential of essential fatty acids. The objectives of the study were to compare the effects of CLA to other essential fatty acids on the thiol redox status of bovine mammary epithelia cells (BME-UV1) and their protective role against oxidative damage on the mammary gland by an in vitro study...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28078603/a-comparison-of-the-anti-inflammatory-effects-of-cis-9-trans-11-conjugated-linoleic-acid-to-celecoxib-in-the-collagen-induced-arthritis-model
#2
Jake M Olson, Alexander W Haas, Jennifer Lor, Holly S McKee, Mark E Cook
Cyclooxygenase (COX)-2 inhibitors, such as celecoxib, for chronic inflammatory disease are associated with adverse health events, while cis-9, trans-11 (c9t11) conjugated linoleic acid (CLA) is anti-inflammatory without adverse events attributed to pure intake. Mechanistically, celecoxib and c9t11 disrupt the arachidonic acid cascade; however, the equivalency of anti-inflammatory effects between these compounds is unknown. Therefore, to test the hypothesis that 0.5% dietary c9t11 reduces inflammation equivalently to a celecoxib dose intended to treat rheumatoid arthritis (RA; 5 mg/kg bw), arthritic mice received diets containing one of the following supplements: 1% corn oil (CO, w/w), 0...
January 11, 2017: Lipids
https://www.readbyqxmd.com/read/28074319/trans-fatty-acid-stimulated-mammary-gland-growth-in-ovariectomized-mice-is-fatty-acid-type-and-isomer-specific
#3
Grace E Berryhill, Susan G Miszewski, Josephine F Trott, Jana Kraft, Adam L Lock, Russell C Hovey
We previously reported that the trans-18:2 fatty acid trans-10, cis-12 conjugated linoleic acid (t10,c12-CLA) stimulates mammary gland development independent of estrogen and its receptor. Given the negative consequences of dietary trans-fatty acids on various aspects of human health, we sought to establish whether other trans-fatty acids could similarly induce ovary-independent mammary gland growth in mice. Prepubertal BALB/cJ mice were ovariectomized at 21 days of age then were fed diets enriched with cis-9, trans-11 CLA (c9,t11-CLA), or mixtures of trans-18:1 fatty acids supplied by partially hydrogenated sunflower, safflower, or linseed oil...
January 10, 2017: Lipids
https://www.readbyqxmd.com/read/28070532/evaluation-of-scd-and-fasn-gene-expression-in-baluchi-iran-black-and-arman-sheep
#4
Salmani Izadi Mohammad, Naserian Abbas Ali, Nasiri Mohammad Reza, Majidzadeh Heravi Reza, Valizadeh Reza
BACKGROUND: With the increasing concern for health and nutrition, dietary fat has attracted considerable attention. The composition of fatty acids in the diet is important because they are associated with major diseases including cancers, diabetes, and cardiovascular disease. The fatty acid synthase (FASN) and stearoyl-CoA desaturase (delta-9-desaturase) (SCD) genes affect fatty acid composition (1). The expression of SCD and FASN genes is related to an increase in conjugated linoleic acid (CLA) in dairy products, which benefits human health...
October 2016: Reports of Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28056065/wolbachia-infections-in-aedes-aegypti-differ-markedly-in-their-response-to-cyclical-heat-stress
#5
Perran A Ross, Itsanun Wiwatanaratanabutr, Jason K Axford, Vanessa L White, Nancy M Endersby-Harshman, Ary A Hoffmann
Aedes aegypti mosquitoes infected with Wolbachia bacteria are currently being released for arbovirus suppression around the world. Their potential to invade populations and persist will depend on interactions with environmental conditions, particularly as larvae are often exposed to fluctuating and extreme temperatures in the field. We reared Ae. aegypti larvae infected with different types of Wolbachia (wMel, wAlbB and wMelPop-CLA) under diurnal cyclical temperatures. Rearing wMel and wMelPop-CLA-infected larvae at 26-37°C reduced the expression of cytoplasmic incompatibility, a reproductive manipulation induced by Wolbachia...
January 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28052203/dietary-n-6-n-3-fatty-acid-ratios-alter-rumen-fermentation-parameters-and-microbial-populations-in-goats
#6
Mahdi Ebrahimi, Mohamed Ali Rajion, Kazeem Dauda Adeyemi, Saeid Jafari, Mohammad Faseleh Jahromi, Ehsan Oskoueian, Yong Meng Goh, Morteza Hosseini Ghaffari
Revealing the ruminal fermentation patterns and microbial populations as affected by dietary n-6:n-3 PUFA ratio would be useful for further clarifying the role of the rumen in the lipid metabolism of ruminants. The objective of the present study was to investigate the effects of dietary n-6:n-3 PUFA ratios on fermentation characteristics, fatty acid (FA) profiles and microbial populations in the rumen of goats. A total of twenty-one, Boer goats (5 months old; 31.66±1.07kg) were randomly assigned to three dietary treatments with different n-6:n-3 PUFA ratios of 2...
January 4, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28045283/classroom-level-adversity-associations-with-children-s-internalizing-and-externalizing-behaviors-across-elementary-school
#7
Tashia Abry, Crystal I Bryce, Jodi Swanson, Robert H Bradley, Richard A Fabes, Robert F Corwyn
Concerns regarding the social-behavioral maladjustment of U.S. youth have spurred efforts among educators and policymakers to identify and remedy educational contexts that exacerbate children's anxiety, depression, aggression, and misconduct. However, investigations of the influence of collective classroom student characteristics on individuals' social-behavioral functioning are few. The present study examined concurrent and longitudinal relations between adversity factors facing the collective classroom student group and levels of children's internalizing and externalizing behaviors across the elementary school years, and whether the pattern of relations differed for girls and boys...
January 2, 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28045194/the-effect-of-increasing-levels-of-date-palm-phoenix-dactylifera-l-seed-on-the-performance-ruminal-fermentation-antioxidant-status-and-milk-fatty-acid-profile-of-saanen-dairy-goats
#8
M Sharifi, M Bashtani, A A Naserian, H Farhangfar
This study was conducted to examine the effect of date palm (Phoenix dactylifera L.) seed (DPS) on the performance, ruminal fermentation, antioxidant status and milk fatty acid (FA) profile of dairy goats. Eight multiparous Saanen dairy goats, averaging 97 ± 7 days in milk (DIM) and 2150 ± 130 g of milk production, were used in a 4 × 4 replicated Latin square design. Experimental diets contained 0% (control), 6% (DPS6), 12% (DPS12) and 18% (DPS18) of DPS. Dry matter intake (DMI), milk production, and the composition and digestibility of the dry matter (DM), organic matter (OM), neutral detergent fibre (NDF) and crude protein (CP) were not affected by the diets...
January 3, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28013009/differential-modulation-of-the-chaperone-like-activity-of-hsp-1-2-a-major-protein-of-horse-seminal-plasma-by-anionic-and-cationic-surfactants
#9
C Sudheer Kumar, Musti J Swamy
The major protein of equine seminal plasma, HSP-1/2 exhibits chaperone-like activity (CLA) by protecting various target proteins against thermal, chemical and oxidative stress. Polydispersity and surface hydrophobicity of HSP-1/2 were found to be important for its CLA. Surfactants are known to alter certain properties of proteins, e.g. hydrophobicity, charge and conformation either by altering properties of the medium or by direct binding. In the current study, thermal aggregation of alcohol dehydrogenase (ADH) and enolase has been studied in the presence of HSP-1/2, different surfactants and their combinations...
December 21, 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27987036/characterization-of-a-bacterioferritin-comigratory-protein-family-1-cys-peroxiredoxin-from-candidatus-liberibacter-asiaticus
#10
Anamika Singh, Narender Kumar, Prabhat P S Tomar, Sumit Bhose, Dilip Kumar Ghosh, Partha Roy, Ashwani K Sharma
To defend against the lethality of the reactive oxygen species (ROS), nature has armed microorganisms with a range of antioxidant proteins. These include peroxiredoxin (Prx) super family proteins which are ubiquitous cysteine-based non-heme peroxidases. The phytopathogenic bacterium Candidatus Liberibacter asiaticus (CLA), an etiological agent of citrus plants diseases, posses many genes for defense against oxidative stress. The bacterioferritin comigratory protein (BCP), a member of Prxs, is part of an oxidative stress defense system of CLA...
December 16, 2016: Protoplasma
https://www.readbyqxmd.com/read/27979064/effect-of-dietary-pomegranate-seed-oil-on-laying-hen-performance-and-physicochemical-properties-of-eggs
#11
Renata B Kostogrys, Agnieszka Filipiak-Florkiewicz, Katarzyna Dereń, Anna Drahun, Izabela Czyżyńska-Cichoń, Ewa Cieślik, Beata Szymczyk, Magdalena Franczyk-Żarów
The objective of the study was to determine the effects of pomegranate seed oil, used as a source of punicic acid (CLnA) in the diets of laying hens, on the physicochemical properties of eggs. Forty Isa Brown laying hens (26weeks old) were equally subjected to 4 dietary treatments (n=10) and fed a commercial layer diet supplying 2.5% sunflower oil (control) or three levels (0.5, 1.0 and 1.5%) of punicic acid in the diets. After 12weeks of feeding the hens, eggs collection began. Sixty eggs - randomly selected from each group - were analysed for physicochemical properties...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27930681/transcriptomic-changes-in-liver-of-young-bulls-caused-by-diets-low-in-mineral-and-protein-contents-and-supplemented-with-n-3-fatty-acids-and-conjugated-linoleic-acid
#12
Sara Pegolo, Alessio Cecchinato, Núria Mach, Massimiliano Babbucci, Marianna Pauletto, Luca Bargelloni, Stefano Schiavon, Giovanni Bittante
The aim of the present study was to identify transcriptional modifications and regulatory networks accounting for physiological and metabolic responses to specific nutrients in the liver of young Belgian Blue × Holstein bulls using RNA-sequencing. A larger trial has been carried out in which animals were fed with different diets: 1] a conventional diet; 2] a low-protein/low-mineral diet (low-impact diet) and 3] a diet enriched in n-3 fatty acids (FAs), conjugated linoleic acid (CLA) and vitamin E (nutraceutical diet)...
2016: PloS One
https://www.readbyqxmd.com/read/27924729/conjugated-linoleic-acid-isomers-exert-differential-effects-on-an-adipocyte-model-of-hiv-associated-lipodystrophy
#13
Cathríona R Loonam, Sandra D O Dell, Anne Mullen
BACKGROUND: HIV-associated lipodystrophy is associated with decreased expression of PPAR-γ in adipose tissue. Conjugated linoleic acid (CLA) isomers (cis9, trans11 and trans10, cis12) are putative PPAR-γ agonists, but have not previously been investigated in the context of HIV-associated lipodystrophy. METHODS: 3T3-L1 pre-adipocytes were differentiated in the presence of ritonavir (20 μM as per previous experimental models) and 100 μM cis9,trans11, trans10,cis12 or vehicle control, DMSO...
December 7, 2016: Current HIV Research
https://www.readbyqxmd.com/read/27923813/the-chemical-basis-of-thiol-addition-to-nitro-conjugated-linoleic-acid-a-protective-cell-signaling-lipid
#14
Lucia Turell, Dario A Vitturi, E Laura Coitiño, Lourdes Lebrato, Matias N Moller, Camila Sagasti, Sonia R Salvatore, Steven R Woodcock, Beatriz Alvarez, Francisco J Schopfer
Nitroalkene fatty acids are formed in vivo and exert protective and anti-inflammatory effects via reversible Michael addition to thiol-containing proteins in key signaling pathways. Nitro-conjugated linoleic acid (NO2-CLA) is preferentially formed, constitutes the most abundant nitrated fatty acid in humans and contains two carbons that could potentially react with thiols, modulating signaling actions and levels. In this work, we examined the reactions of NO2-CLA with low molecular weight thiols (glutathione, cysteine, homocysteine, cysteinylglycine and β mercaptoethanol) and human serum albumin (HSA)...
December 6, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27918269/prevention-of-hospital-acquired-bloodstream-infections-through-chlorhexidine-gluconate-impregnated-washcloth-bathing-in-intensive-care-units-a-systematic-review-and-meta-analysis-of-randomised-crossover-trials
#15
Elsa Afonso, Koen Blot, Stijn Blot
We assessed the impact of 2% daily patient bathing with chlorhexidine gluconate (CHG) washcloths on the incidence of hospital-acquired (HA) and central line-associated (CLA) bloodstream infections (BSI) in intensive care units (ICUs). We searched randomised studies in Medline, EMBASE, Cochrane Library (CENTRAL) and Web of Science databases up to April 2015. Primary outcomes were total HABSI, central line, and non-central line-associated BSI rates per patient-days. Secondary outcomes included Gram-negative and Gram-positive BSI rates and adverse events...
November 17, 2016: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/27913584/nitro-fatty-acid-pharmacokinetics-in-the-adipose-tissue-compartment
#16
Marco Fazzari, Nicholas K H Khoo, Steven R Woodcock, Diane K Jorkasky, Lihua Li, Francisco J Schopfer, Bruce A Freeman
Electrophilic nitro-fatty acids (NO2-FAs) promote adaptive and anti-inflammatory cell signaling responses as a result of an electrophilic character that supports post-translational protein modifications. A unique pharmacokinetic profile is expected for NO2-FAs because of an ability to undergo reversible reactions including Michael additions with biological cysteine-containing proteins and esterification into complex lipids. Herein we report via quantitative whole-body autoradiography analysis of rats gavaged with radiolabeled 10-nitro-[14C]oleic acid, preferential accumulation in adipose tissue over two weeks...
December 2, 2016: Journal of Lipid Research
https://www.readbyqxmd.com/read/27898407/expression-pattern-and-regulatory-role-of-microrna-23a-in-conjugated-linoleic-acids-induced-apoptosis-of-adipocytes
#17
Renli Qi, Qi Wang, Jing Wang, Jinxiu Huang, Shan Jiang, Rong Xiao, Zuohua Liu, Feiyun Yang
BACKGROUND/AIMS: Conjugated linoleic acids (CLAs) are known to induce apoptosis in adipocytes; however, the cellular mechanisms involved remained illdefined. We explored the different apoptotic induction effects of two CLA isomers on adipocytes and then investigated the expression and function of microRNAs (miRNAs) related to the apoptosis. METHODS: TUNEL and FCM assays were used to detect CLAs-induced adipocyte apoptosis. Microarrays were used to compare the differential expression of miRNAs...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27897090/the-effect-of-commercial-conjugated-linoleic-acid-products-on-experimental-periodontitis-and-diabetes-mellitus-in-wistar-rats
#18
COMPARATIVE STUDY
Hatice Balci Yuce, Nihat Akbulut, Seda Ocakli, Omer Kayir, Mahfuz Elmastas
OBJECTIVE: The aim of present study was to determine the effects of conjugated linoleic acid enriched milk on alveolar bone loss, hyperglycaemia, oxidative stress and apoptosis in ligature-induced periodontal disease in diabetic rat model. METHODS: Wistar rats were divided into six experimental groups: 1; non-ligated (NL, n = 6) group, 2; ligature only (LO, n = 6) group, 3; streptozotocin only (STZ, n = 8) group, 4; STZ and ligature (STZ + L, n = 8) group, 5; ligature and conjugated linoleic acid (CLA) (L + CLA, n = 8) group, 6; STZ, ligature and CLA group (STZ + L + CLA, n = 8) group...
January 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/27884102/gene-expression-profile-of-intramuscular-muscle-in-nellore-cattle-with-extreme-values-of-fatty-acid
#19
Mariana P Berton, Larissa F S Fonseca, Daniela F J Gimenez, Bruno L Utembergue, Aline S M Cesar, Luiz L Coutinho, Marcos Vinicius A de Lemos, Carolyn Aboujaoude, Angélica S C Pereira, Rafael M de O Silva, Nedenia B Stafuzza, Fabieli L B Feitosa, Hermenegildo L J Chiaia, Bianca F Olivieri, Elisa Peripolli, Rafael L Tonussi, Daniel M Gordo, Rafael Espigolan, Adrielle M Ferrinho, Lenise F Mueller, Lucia G de Albuquerque, Henrique N de Oliveira, Susan Duckett, Fernando Baldi
BACKGROUND: Fatty acid type in beef can be detrimental to human health and has received considerable attention in recent years. The aim of this study was to identify differentially expressed genes in longissimus thoracis muscle of 48 Nellore young bulls with extreme phenotypes for fatty acid composition of intramuscular fat by RNA-seq technique. RESULTS: Differential expression analyses between animals with extreme phenotype for fatty acid composition showed a total of 13 differentially expressed genes for myristic (C14:0), 35 for palmitic (C16:0), 187 for stearic (C18:0), 371 for oleic (C18:1, cis-9), 24 for conjugated linoleic (C18:2 cis-9, trans11, CLA), 89 for linoleic (C18:2 cis-9,12 n6), and 110 genes for α-linolenic (C18:3 n3) fatty acids...
November 25, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27878911/effect-of-increased-feeding-of-dietary-%C3%AE-linolenic-acid-by-grazing-on-formation-of-the-cis9-trans11-18-2-isoform-of-conjugated-linoleic-acid-in-bovine-milk
#20
Mio Yamaguchi, Taki Naito, Yoshikazu Nagao, Yukihito Kabuyama, Kei Hashimoto, Norihiro Azuma, Isamu Maeda
Feeding systems such as grazing affect the fatty acid profile of bovine milk fat. In addition, milk fat is formed as the product of fatty acid metabolism in cow bodies before being secreted into milk. However, how grazing influences milk fatty acid profile through the metabolism has not been completely characterized. When fatty acid concentrations in Holstein milk were compared between grazing and non-grazing periods, α-linolenic acid was significantly higher in the grazing period than in the non-grazing period...
November 23, 2016: Animal Science Journal, Nihon Chikusan Gakkaihō
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