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Methionine supplement

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https://www.readbyqxmd.com/read/27908427/the-influence-of-oral-copper-methionine-on-matrix-metalloproteinase-2-gene-expression-and-activation-in-right-sided-heart-failure-induced-by-cold-temperature-a-broiler-chicken-perspective
#1
Mina Bagheri Varzaneh, Hamidreza Rahmani, Rahman Jahanian, Amir Hossein Mahdavi, Corinne Perreau, Gwenn Perrot, Stéphane Brézillon, François-Xavier Maquart
This study was designed to investigate the expression, activation and activity of matrix metalloproteinase-2 (MMP-2) in the heart of broiler chickens reared in cold conditions and fed with copper-methionine supplement at different levels. The chickens (n=480) were randomly allotted to six treatments and four replicates. Treatments included two rearing temperatures (i.e. normal and cold temperatures) each combined with three levels of supplemental copper-methionine (i.e. 0, 100 and 200mg/kg). On d 38 and 45 of age, four broilers from each treatment were sacrificed and their hearts were stored at -80°C...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27898843/influence-of-protein-nutrition-and-virginiamycin-supplementation-on-feedlot-growth-performance-and-digestive-function-of-calf-fed-holstein-steers
#2
J Salinas-Chavira, A Barreras, A Plascencia, M F Montano, J D Navarrete, N Torrentera, R A Zinn
Two experiments were conducted to examine the influence of protein and virginiamycin (VM) supplementation on feedlot growth performance, digestion, and metabolizable AA (MAA) supply of calf-fed Holstein steers. Growth performance and dietary energetics were evaluated in 120 Holstein steers (127 ± 9 kg). During the initial 112-d feeding period, a steam-flaked corn-based diet was balanced to meet either 100% (MAB) or 87% (UREA) of MAA requirements. Diets were supplemented with or without 22.5 mg/kg VM in a 2 × 2 factorial arrangement...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27896487/natural-compounds-as-occult-ototoxins-ginkgo-biloba-flavonoids-moderately-damage-lateral-line-hair-cells
#3
Sarah Neveux, Nicole K Smith, Anna Roche, Bruce E Blough, Wimal Pathmasiri, Allison B Coffin
Several drugs, including aminoglycosides and platinum-based chemotherapy agents, are well known for their ototoxic properties. However, FDA-approved drugs are not routinely tested for ototoxicity, so their potential to affect hearing often goes unrecognized. This issue is further compounded for natural products, where there is a lack of FDA oversight and the manufacturer is solely responsible for ensuring the safety of their products. Natural products such as herbal supplements are easily accessible and commonly used in the practice of traditional eastern and alternative medicine...
November 28, 2016: Journal of the Association for Research in Otolaryngology: JARO
https://www.readbyqxmd.com/read/27881594/hepatic-activity-and-transcription-of-betaine-homocysteine-methyltransferase-methionine-synthase-and-cystathionine-synthase-in-periparturient-dairy-cows-are-altered-to-different-extents-by-supply-of-methionine-and-choline
#4
Zheng Zhou, Timothy A Garrow, Xianwen Dong, Daniel N Luchini, Juan J Loor
BACKGROUND: Compared with choline, Met enhances milk yield and feed intake, and elicits a better immuno-metabolic status in periparturient cows. It is unknown whether hepatic activity and transcription of betaine-homocysteine methyltransferase (BHMT), 5-methyltetrahydrofolate-homocysteine methyltransferase (MTR), and cystathionine β-synthase (CBS) are responsive to Met and choline supply. OBJECTIVE: This study sought to characterize hepatic BHMT, MTR, and CBS transcription and activity in response to Met and choline supplementation...
November 23, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27868247/digestibility-ruminal-fermentation-blood-metabolites-and-antioxidant-status-in-ewes-supplemented-with-dl-methionine-or-hydroxy-4-methylthio-butanoic-acid-isopropyl-ester
#5
B Baghbanzadeh-Nobari, A Taghizadeh, M Khorvash, F Parnian-Khajehdizaj, S K Maloney, F Hashemzadeh-Cigari, A H Ghaffari
The effects of supplementing ewe diets with either DL-methionine (DL-Met) or 2-hydroxy-4 (methylthio) butanoic acid isopropyl ester (HMBi) were investigated on ruminal in situ degradability of grain and forage diets, in vivo digestibility, rumen fermentation, blood metabolites and antioxidant status. Six ruminally cannulated ewes were used in a replicated 3 × 3 Latin square design with 28-day periods. The dietary treatments were as follows: (i) no supplemental Met (control; CON), (ii) DL-Met at 1.2 g/kg DM intake and (iii) HMBi at 1...
November 21, 2016: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/27865712/role-for-human-arylamine-n-acetyltransferase-1-in-the-methionine-salvage-pathway
#6
Katey L Witham, Rodney F Minchin, Neville J Butcher
The Phase II drug metabolizing enzyme arylamine N-acetyltransferase 1 (NAT1) has been implicated in the growth and survival of cancer cells, although the mechanisms that underlies these effects are unknown. Here, a focused metabolomics approach was used to identify changes in folate catabolism as well as the S-adenosylmethionine (SAM) cycle following NAT1 knockdown with shRNA. Although acetylation of the folate catabolite p-aminobenzoylglutamate (pABG) was significantly decreased, there were no changes in intracellular pABG or the various components of the SAM cycle...
November 16, 2016: Biochemical Pharmacology
https://www.readbyqxmd.com/read/27859742/zinc-methionine-and-laminarin-have-growth-enhancing-properties-in-newly-weaned-pigs-influencing-both-intestinal-health-and-diarrhoea-occurrence
#7
M A Bouwhuis, T Sweeney, A Mukhopadhya, K Thornton, P O McAlpine, J V O'Doherty
Three experiments were conducted to investigate the interaction between zinc methionine (ZnM) and laminarin (LAM) on piglet growth performance and intestinal health post-weaning. Experiment 1 was designed as 2 × 2 factorial with four treatments [n = 8, weaning age (WA) 24 days, live weight (LW) 7.15 kg]: (i) basal diet (BD); (ii) BD + 500 mg/kg ZnM; (iii) BD + 300 mg/kg LAM; and (iv) BD + 500 mg/kg ZnM + 300 mg/kg LAM. There was an interaction (p < 0.05) between LAM and ZnM. Pigs that were offered the LAM diet had a similar performance to the BD...
November 18, 2016: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/27854092/nitrous-oxide-induced-subacute-combined-degeneration-presenting-with-dystonia-and-pseudoathetosis-a-case-report
#8
Hung-Ju Chen, Chih-Shan Huang
PURPOSE: Nitrous oxide (N2O) is neurotoxic by interfering with vitamin B12 bioavailability. The clinical picture is indistinguishable to that of subacute combined degeneration (SCD). A movement disorder might occur though it is not a characteristic feature. We report a patient with N2O-induced SCD, exhibiting a combination of different involuntary movements. CASE REPORT: A 20-year-old woman presented with one month of progressive unsteady gait, involuntary movements and tingling sensation in a stocking-glove distribution...
June 15, 2016: Acta Neurologica Taiwanica
https://www.readbyqxmd.com/read/27844340/production-of-mycophenolic-acid-by-penicillium-brevicompactum-using-solid-state-fermentation
#9
Gopal Patel, Mahesh D Patil, Surbhi Soni, Yusuf Chisti, Uttam Chand Banerjee
Solid-state fermentation using the microfungus Penicillium brevicompactum for the production of mycophenolic acid is reported in this paper. Of the initial substrates tested (whole wheat, cracked wheat, long grain Basmati rice, and short grain Parmal rice), Parmal rice proved to be the best. Under initial conditions, using steamed Parmal rice with 80% (w/w) initial moisture content, a maximum mycophenolic acid concentration of 3.4 g/kg substrate was achieved in 12 days of fermentation at 25 °C. The above substrate was supplemented with the following additional nutrients (g/L packed substrate): glucose 40...
November 14, 2016: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/27843576/micrornas-interfere-with-dna-methylation-in-rheumatoid-arthritis-synovial-fibroblasts
#10
Niharika Gaur, Emmanuel Karouzakis, Selene Glück, Edvardas Bagdonas, Astrid Jüngel, Beat A Michel, Renate E Gay, Steffen Gay, Mojca Frank-Bertoncelj, Michel Neidhart
BACKGROUND: The DNA of rheumatoid arthritis synovial fibroblasts (RASF) is globally hypomethylated; this contributes to an aggressive behaviour. In an attempt to remethylate these cells, we supplemented with methyl donors. We investigated the possible interference of microRNAs (miRs). MATERIAL AND METHODS: RASF were treated with L-methionine or betaine. Transcripts of de novo methyltransferases (DNMTs) and miRs were measured by real-time PCR, and a transcription PCR array was performed...
2016: RMD Open
https://www.readbyqxmd.com/read/27830979/dietary-and-supplemental-maternal-methyl-group-donor-intake-and-cord-blood-dna-methylation
#11
Sara Pauwels, Manosij Ghosh, Radu Corneliu Duca, Bram Bekaert, Kathleen Freson, Inge Huybrechts, Sabine Langie, Gudrun Koppen, Roland Devlieger, Lode Godderis
Maternal nutrition is critically involved in the development and health of the fetus. We evaluated maternal methyl-group donor intake through diet (methionine, betaine, choline, folate) and supplementation (folic acid) before and during pregnancy in relation to global DNA methylation and hydroxymethylation and gene specific (IGF2 DMR, DNMT1, LEP, RXRA) cord blood methylation. A total of 115 mother-infant pairs were enrolled in the MAternal Nutrition and Offspring's Epigenome (MANOE) study. The intake of methyl-group donors was assessed using a food-frequency questionnaire...
November 10, 2016: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/27822236/effect-of-substituting-increasing-levels-of-organic-zn-for-inorganic-zn-on-performance-hematological-and-serum-biochemical-constituents-antioxidant-status-and-immune-response-in-rat
#12
D Nagalakshmi, K Sridhar, P S Swain, A G Reddy
The effect of replacing dietary Zn supplemented from inorganic (ZnCO3) source with organic Zn (Zn methionine; Zn-met) was investigated in 72 rats (98.42 ± 1.483 g) by randomly allotting to 4 diets (6 replicates/diet, 3 rats/replicate). Basal diet was prepared with purified ingredients without Zn. The control diet (AIN-76A) contained 12 ppm of Zn from ZnCO3 (100-I). In the other diets ZnCO3 was replaced with Zn-met at the rates of 50 (50I:50O), 75 (25I:75O) or 100% (100-O). Weekly body weight and daily feed intake were recorded for 14 weeks...
2016: Iranian journal of veterinary research
https://www.readbyqxmd.com/read/27790859/dimethyl-sulfide-protects-against-oxidative-stress-and-extends-lifespan-via-a-methionine-sulfoxide-reductase-a-dependent-catalytic-mechanism
#13
Xin-Lei Guan, Peng-Fei Wu, Sheng Wang, Juan-Juan Zhang, Zu-Cheng Shen, Han Luo, Hao Chen, Li-Hong Long, Jian-Guo Chen, Fang Wang
Methionine (Met) sulfoxide reductase A (MsrA) is a key endogenous antioxidative enzyme with longevity benefits in animals. Only very few approaches have been reported to enhance MsrA function. Recent reports have indicated that the antioxidant capability of MsrA may involve a Met oxidase activity that facilities the reaction of Met with reactive oxygen species (ROS). Herein, we used a homology modeling approach to search the substrates for the oxidase activity of MsrA. We found that dimethyl sulfide (DMS), a main metabolite that produced by marine algae, emerged as a good substrate for MsrA-catalytic antioxidation...
October 28, 2016: Aging Cell
https://www.readbyqxmd.com/read/27790703/the-effect-of-fermented-buckwheat-on-producing-l-carnitine-and-gamma-aminobutyric-acid-gaba-enriched-designer-eggs
#14
Namhyeon Park, Tae-Kyung Lee, Thi Thanh Hanh Nguyen, Eun-Bae An, Nahyun M Kim, Young-Hyun You, Tae-Sub Park, Doman Kim
BACKGROUND: The potential of fermented buckwheat as feed additives was studied to increase L-carnitine and gamma-aminobutyric acid (GABA) in designer eggs. Buckwheat contains high levels of lysine, methionine, and glutamate, which are precursors for the synthesis of L-carnitine and GABA. Rhizopus oligosporus was used for the fermentation of buckwheat to produce L-carnitine and GABA that exert positive effects like enhanced metabolism, antioxidant activities, immunity, and blood pressure control...
October 28, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/27784962/prolonged-feeding-with-guanidinoacetate-a-methyl-group-consumer-exacerbates-ethanol-induced-liver-injury
#15
Natalia A Osna, Dan Feng, Murali Ganesan, Priya F Maillacheruvu, David J Orlicky, Samuel W French, Dean J Tuma, Kusum K Kharbanda
AIM: To investigate the hypothesis that exposure to guanidinoacetate (GAA, a potent methyl-group consumer) either alone or combined with ethanol intake for a prolonged period of time would cause more advanced liver pathology thus identifying methylation defects as the initiator and stimulator for progressive liver damage. METHODS: Adult male Wistar rats were fed the control or ethanol Lieber DeCarli diet in the absence or presence of GAA supplementation. At the end of 6 wk of the feeding regimen, various biochemical and histological analyses were conducted...
October 14, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27776413/characterization-and-quantitation-of-vitamin-b12-compounds-in-various-chlorella-supplements
#16
Tomohiro Bito, Mariko Bito, Yusuke Asai, Shigeo Takenaka, Yukinori Yabuta, Kazunori Tago, Masato Ohnishi, Toru Mizoguchi, Fumio Watanabe
Vitamin B12 was determined and characterized in 19 dried Chlorella health supplements. Vitamin contents of dried Chlorella cells varied from < 0.1 μg to approximately 415 μg per 100 g dry weight. Subsequent liquid chromatography/electrospray ionization-tandem mass spectrometry analyses showed the presence of inactive corrinoid compounds, a cobalt-free corrinoid, and 5-methoxybenzimidazolyl cyanocobamide (factor IIIm) in four and three high vitamin B12-containing Chlorella tablets, respectively. In four Chlorella tablet types with high and moderate vitamin B12 contents, the coenzyme forms of vitamin B12 5'-deoxyadenosylcobalamin (approximately 32%) and methylcobalamin (approximately 8%) were considerably present, whereas the unnaturally occurring corrinoid cyanocobalamin was present at the lowest concentrations...
October 24, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27770020/early-micronutrient-supplementation-protects-against-early-stress-induced-cognitive-impairments
#17
Eva F G Naninck, J Efraim Oosterink, Kit-Yi Yam, Lennart P de Vries, Henk Schierbeek, Johannes B van Goudoever, Rikst-Nynke Verkaik-Schakel, Josèe A Plantinga, Torsten Plosch, Paul J Lucassen, Aniko Korosi
Early-life stress (ES) impairs cognition later in life. Because ES prevention is problematic, intervention is needed, yet the mechanisms that underlie ES remain largely unknown. So far, the role of early nutrition in brain programming has been largely ignored. Here, we demonstrate that essential 1-carbon metabolism-associated micronutrients (1-CMAMs; i.e., methionine and B vitamins) early in life are crucial in programming later cognition by ES. ES was induced in male C57Bl/6 mice from postnatal d (P)2-9. 1-CMAM levels were measured centrally and peripherally by using liquid chromatography-mass spectroscopy...
October 21, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27763549/maternal-betaine-supplementation-throughout-gestation-and-lactation-modifies-hepatic-cholesterol-metabolic-genes-in-weaning-piglets-via-ampk-lxr-mediated-pathway-and-histone-modification
#18
Demin Cai, Mengjie Yuan, Haoyu Liu, Shifeng Pan, Wenqiang Ma, Jian Hong, Ruqian Zhao
Betaine serves as an animal and human nutrient which has been heavily investigated in glucose and lipid metabolic regulation, yet the underlying mechanisms are still elusive. In this study, feeding sows with betaine-supplemented diets during pregnancy and lactation increased cholesterol content and low-density lipoprotein receptor (LDLR) and scavenger receptor class B type I (SR-BI) gene expression, but decreasing bile acids content and cholesterol-7a-hydroxylase (CYP7a1) expression in the liver of weaning piglets...
October 18, 2016: Nutrients
https://www.readbyqxmd.com/read/27753190/gastrointestinal-methionine-shuttle-priority-handling-of-precious-goods
#19
Lucia Mastrototaro, Gerhard Sponder, Behnam Saremi, Jörg R Aschenbach
Methionine (Met) is a neutral, sulfur-containing, essential amino acid with biological functions in the initiation and prolongation step of protein synthesis, transmethylation reactions, the synthesis of cysteine and cystine, and as a component of antioxidant systems. Its key importance is reflected by the fact that it is usually absorbed from the diet with highest efficiency among all proteinogenic amino acids but may yet not optimally support metabolism and health. As such, crystalline Met supplements are partly used in man and heavily used in production of animal species (poultry, fish, shrimps, pigs and cattle) to provide improved health and performance...
October 17, 2016: IUBMB Life
https://www.readbyqxmd.com/read/27747966/short-term-methionine-supplementation-during-the-early-post-partum-period-in-primiparous-rabbits-improves-prolificacy-associated-with-an-increase-in-serum-concentrations-of-igf-i
#20
Z B Lopéz-Cedillo, A M Rosales-Torres, G D Mendoza, Y Heuze, A E Ávila-Espítia, A Guzmán
The aim of this study was to evaluate the effects of methionine supplementation on energy metabolism and reproductive performance during the early post-partum period in primiparous does. Forty nulliparous New Zealand White does were used. Females were randomized in two groups at calving: the control group (n = 20) was fed with the basal diet, and the methionine group (n = 20) was fed the basal diet plus 1 g/animal/day of methionine from the day of calving to 4 days post-partum. Results showed that methionine supplementation increased (p = 0...
October 16, 2016: Journal of Animal Physiology and Animal Nutrition
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