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Methionine supplement

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https://www.readbyqxmd.com/read/29331340/hsp72-protects-from-liver-injury-via-attenuation-of-hepatocellular-death-oxidative-stress-and-jnk-signaling
#1
Kateryna Levada, Nurdan Guldiken, Xiaoji Zhang, Giovanna Vella, Fa-Rong Mo, Laura P James, Johannes Haybaeck, Sonja M Kessler, Alexandra K Kiemer, Thomas Ott, Daniel Hartmann, Norbert Hüser, Marianne Ziol, Christian Trautwein, Pavel Strnad
BACKGROUND AND AIMS: Heat shock protein (Hsp) 72 is a molecular chaperone that is upregulated in response to stress and possesses broad cytoprotective functions. To determine its hepatic function, we studied its expression in human liver disorders and its biological significance in newly generated transgenic animals. AIM AND METHODS: Double transgenic mice overexpressing Hsp72 (gene HSPA1A) under the control of a tissue-specific tetracycline-inducible system (Hsp72-LAP mice) were produced...
January 10, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29329322/methylene-tetrahydrofolate-reductase-contributes-to-allergic-airway-disease
#2
Kenneth R Eyring, Brent S Pedersen, Kenneth N Maclean, Sally P Stabler, Ivana V Yang, David A Schwartz
RATIONALE: Environmental exposures strongly influence the development and progression of asthma. We have previously demonstrated that mice exposed to a diet enriched with methyl donors during vulnerable periods of fetal development can enhance the heritable risk of allergic airway disease through epigenetic changes. There is conflicting evidence on the role of folate (one of the primary methyl donors) in modifying allergic airway disease. OBJECTIVES: We hypothesized that blocking folate metabolism through the loss of methylene-tetrahydrofolate reductase (Mthfr) activity would reduce the allergic airway disease phenotype through epigenetic mechanisms...
2018: PloS One
https://www.readbyqxmd.com/read/29325174/safety-evaluation-of-zinc-methionine-in-laying-hens-effects-on-laying-performance-clinical-blood-parameters-organ-development-and-histopathology
#3
N N Chen, B Liu, P W Xiong, Y Guo, J N He, C C Hou, L X Ma, D Y Yu
The study was conducted to investigate whether high-dose zinc methionine (Zn-Met) affected the safety of laying hens, including laying performance, hematological parameters, serum chemical parameters, organ index, and histopathology. A total of 540 20-week-old Hy-Line White laying hens was randomly allocated to 6 groups with 6 replicates of 15 birds each. Birds were fed diets supplemented with 0 (control), 70, 140, 350, 700, or 1,400 mg Zn/kg diet as Zn-Met. The experiment lasted for 8 wk after a 2-week acclimation period...
January 8, 2018: Poultry Science
https://www.readbyqxmd.com/read/29311488/role-of-supplementary-selenium-on-the-induction-of-insulin-resistance-and-oxidative-stress-in-nsy-mice-fed-a-high-fat-diet
#4
Koichi Murano, Hirofumi Ogino, Tomofumi Okuno, Tomohiro Arakawa, Hitoshi Ueno
The role of supplementary selenium on the induction of insulin resistance and oxidative stress in a diabetic mouse model was investigated in NSY mice on a high fat diet (HFD) and administered seleno-L-methionine (SeMet)-containing water for 12 weeks. Significant increases in oral glucose tolerance-tested (OGTT), insulin tolerance-tested, and non-fasting blood glucose levels were observed in mice on a HFD, as well as the significant increases in OGTT and non-fasting plasma insulin levels. Mice on a HFD had decreased plasma adiponectin levels and increased free fatty acid (FFA) levels...
2018: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29311486/effect-of-seleno-l-methionine-on-oxidative-stress-in-the-pancreatic-islets-of-a-short-term-induced-diabetic-mouse-model-in-insufficient-selenium-status
#5
Hitoshi Ueno, Ryo Shimizu, Tomofumi Okuno, Hirofumi Ogino, Tomohiro Arakawa, Koichi Murano, Katsuhiko Nakamuro
The protective effects of seleno-L-methionine (SeMet) on oxidative stress in pancreatic islets were investigated with a short-term nicotinamide (NA) and streptozotocin (STZ)-induced diabetic mouse model. ICR mice were intraperitoneally injected twice with 100 mg/kg STZ and 120 mg/kg NA at a 1-d interval and were then orally administered 158 µg Se/kg SeMet with free access to a selenium-deficient diet for 5 weeks. Administration of SeMet significantly improved the levels of glycated hemoglobin (HbA1c), non-fasting and oral glucose tolerance-tested (OGTT) blood glucose, plasma adiponectin and hepatic glycogen that deteriorated by NA/STZ treatment...
2018: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29295596/small-intestinal-absorption-of-methylsulfonylmethane-msm-and-accumulation-of-the-sulfur-moiety-in-selected-tissues-of-mice
#6
Thomas Wong, Richard J Bloomer, Rodney L Benjamin, Randal K Buddington
The principal dietary sources of sulfur, the amino acids methionine and cysteine, may not always be consumed in adequate amounts to meet sulfur requirements. The naturally occurring organosulfur compound, methylsulfonylmethane (MSM), is available as a dietary supplement and has been associated with multiple health benefits. Absorption of MSM by the small intestine and accumulation of the associated sulfur moiety in selected tissues with chronic (8 days) administration were evaluated using juvenile male mice...
December 25, 2017: Nutrients
https://www.readbyqxmd.com/read/29290449/lactation-response-to-soybean-meal-and-rumen-protected-methionine-supplementation-of-corn-silage-based-diets
#7
H Nursoy, M Gonzalez Ronquillo, A P Faciola, G A Broderick
Corn silage, an important forage fed to dairy cows in the United States, is energy rich but protein poor. The objectives of this experiment were to investigate the effects on production of milk and milk components of feeding corn silage-based diets with 4 levels of dietary crude protein (CP) plus rumen-protected methionine (RPM). Thirty-six cows were blocked by days in milk into 9 squares and randomly assigned to 9 balanced 4 × 4 Latin squares with four 4-wk periods. All diets were formulated to contain, as a percent of dry matter (DM), 50% corn silage, 10% alfalfa silage, 4% soyhulls, 2...
December 28, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29281068/effects-of-excess-dl-and-l-methionine-on-growth-performance-of-starter-pekin-ducks
#8
J J Xue, M Xie, J Tang, W Huang, Q Zhang, S S Hou
A dose-response experiment was conducted to investigate the effects of excess DL-methionine (DLM) and L-methionine (LM) on growth response of starter Pekin ducks from 7 to 21 days of age. A total of 462 seven-day-old male Pekin ducklings were allotted to 77 wire-floor pens with 6 birds per pen. There were 11 treatments including a methionine-adequate control diet (containing 0.49% methionine) and control diets supplemented with 5 levels of crystal DLM or LM (0.25, 0.50, 0.75, 1.0, and 1.25%) based on equal product weight...
December 21, 2017: Poultry Science
https://www.readbyqxmd.com/read/29259888/larvicidal-activity-and-in-vitro-regulation-of-rotenoids-from-cassia-tora-l
#9
Sharad Vats
The search for new insecticidal natural products is very important viewing the global incidence of malaria. In the present study, rotenoids viz., sumatrol, rotenone, tephrosin, rotenol, deguelin, and elliptone were identified from the plant parts and callus culture of Cassia tora L. Maximum content of rotenoids was observed in roots (1.96% ± 0.03) and minimum in the stem (0.52% ± 0.02). Rotenoid showed larvicidal activity against Anopheles stephensi larvae (LC50-120.61 ppm; P < 0.05). To enhance the production of rotenoids in vitro, the callus culture of C...
January 2018: 3 Biotech
https://www.readbyqxmd.com/read/29247843/dietary-betaine-supplementation-in-hens-modulates-hypothalamic-expression-of-cholesterol-metabolic-genes-in-f1-cockerels-through-modification-of-dna-methylation
#10
Abdulrahman A Idriss, Yun Hu, Zhen Hou, Yan Hu, Qinwei Sun, Nagmeldin A Omer, Halima Abobaker, Yingdong Ni, Ruqian Zhao
Betaine is widely used in animal nutrition to promote growth, development and methyl donor during methionine metabolism through nutritional reprogramming via regulation of gene expression. Prenatal betaine exposure is reported to modulate hypothalamic cholesterol metabolism in chickens, yet it remains unknown whether feeding hens with betaine-supplemented diet may affect hypothalamic cholesterol metabolism in F1 offspring. In this study, hens were fed with basal or betaine-supplemented (0.5%) for 30days, and the eggs were collected for incubation...
December 14, 2017: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/29246599/manifestations-of-neurological-symptoms-and-thromboembolism-in-adults-with-mthfr-deficiency
#11
Paulus S Rommer, Johannes Zschocke, Brian Fowler, Manuela Födinger, Vassiliki Konstantopoulou, Dorothea Möslinger, Elisabeth Stögmann, Erhard Suess, Matthias Baumgartner, Eduard Auff, Gere Sunder-Plassmann
BACKGROUND: Methylenetetrahydrofolate-reductase (MTHFR) deficiency is a rare autosomal recessive disorder affecting intracellular folate metabolism with affection of different organ systems and clinical manifestation usually in childhood. OBJECTIVE: We report on four adult members of a family with MTHFR deficiency presenting with neurological and thromboembolic complications in adulthood. METHODS: Extensive diagnostic work-up including genetic testing was performed in four adult members...
December 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29244873/fatty-acids-in-non-alcoholic-steatohepatitis-focus-on-pentadecanoic-acid
#12
Wonbeak Yoo, Donjeta Gjuka, Heather L Stevenson, Xiaoling Song, Hong Shen, Suk Young Yoo, Jing Wang, Michael Fallon, George N Ioannou, Stephen A Harrison, Laura Beretta
Non-alcoholic fatty liver disease (NAFLD) is the most common form of liver disease and ranges from isolated steatosis to NASH. To determine whether circulating fatty acids could serve as diagnostic markers of NAFLD severity and whether specific fatty acids could contribute to the pathogenesis of NASH, we analyzed two independent NAFLD patient cohorts and used the methionine- and choline-deficient diet (MCD) NASH mouse model. We identified six fatty acids that could serve as non-invasive markers of NASH in patients with NAFLD...
2017: PloS One
https://www.readbyqxmd.com/read/29224865/effects-of-supplementation-with-ruminally-protected-choline-on-performance-of-multiparous-holstein-cows-did-not-depend-upon-prepartum-caloric-intake
#13
M G Zenobi, R Gardinal, J E Zuniga, A L G Dias, C D Nelson, J P Driver, B A Barton, J E P Santos, C R Staples
Objectives were to evaluate the effect of prepartum energy intake on performance of dairy cows supplemented with or without ruminally protected choline (RPC; 0 or 17.3 g/d of choline chloride; 0 or 60 g/d of ReaShure, Balchem Corp., New Hampton, NY). At 47 ± 6 d before the expected calving date, 93 multiparous Holstein cows were assigned randomly to 1 of 4 dietary treatments in a 2 × 2 factorial arrangement. Cows were fed energy to excess [EXE; 1.63 Mcal of net energy for lactation/kg of dry matter (DM)] or to maintenance (MNE; 1...
December 7, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29221950/dha-supplementation-prevent-the-progression-of-nash-via-gpr120-signaling
#14
Kazuo Nakamoto, Koki Shimada, Shinichi Harada, Yasuko Morimoto, Akira Hirasawa, Shogo Tokuyama
Nonalcoholic steatohepatitis (NASH) is one of the most common liver diseases involving chronic accumulation of fat and inflammation, often leading to advanced fibrosis, cirrhosis and carcinoma. However, the pathological mechanism for this is unknown. GPR120/FFAR4 has been recognized as a functional fatty acid receptor and an attractive therapeutic target for metabolic diseases. In this study, we investigated the involvement of GPR120/FFAR4 in the pathogenesis of NASH. Mice fed with a 0.1% methionine and choline deficient high-fat (CDAHF) diet showed a significant increase in plasma aspartate transaminase and alanine transaminase levels, fatty deposition, inflammatory cell infiltration, and mild fibrosis...
December 5, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29178045/considering-choline-as-methionine-precursor-lipoproteins-transporter-hepatic-promoter-and-antioxidant-agent-in-dairy-cows
#15
REVIEW
Imtiaz Hussain Raja Abbasi, Farzana Abbasi, Rab N Soomro, Mohamed E Abd El-Hack, Mervat A Abdel-Latif, Wen Li, Ren Hao, Feifei Sun, Bello M Bodinga, Khawar Hayat, Junhu Yao, Yangchun Cao
During the transition period, fatty liver syndrome may be caused in cows undergo negative energy balance, ketosis or hypocalcemia, retained placenta or mastitis problems. During the transition stage, movement of non-esterified fatty acids (NEFA) increases into blood which declines the hepatic metabolism or reproduction and consequently, lactation performance of dairy cows deteriorates. Most of studies documented that, choline is an essential nutrient which plays a key role to decrease fatty liver, NEFA proportion, improve synthesis of phosphatidylcholine, maintain lactation or physiological function and work as anti-oxidant in the transition period of dairy cows...
November 25, 2017: AMB Express
https://www.readbyqxmd.com/read/29171783/hyperhomocysteinemia-induced-autophagy-and-apoptosis-with-downregulation-of-hairy-enhancer-of-split-1-5-in-cortical-neurons-in-mice
#16
Jing-Wen Zhang, Ru Yan, Yu-Sheng Tang, Yong-Zhen Guo, Yue Chang, Li Jing, Yi-Li Wang, Jian-Zhong Zhang
It has been reported that hyperhomocysteinemia (HHcy) is associated with neurodegenerative and cardiovascular diseases. However, little is known about brain histomorphology, neuronal organelles, and hairy enhancer of split ( hes) expression under HHcy. In this study, non-HHcy and HHcy induced by high-methionine diet in apolipoprotein E-deficient (Apo E-/-) mice were comparatively investigated. The histomorphology, ultrastructure, autophagosomes, apoptosis, and expression of proteins, HES1, HES5 and P62, were designed to assess the effects of HHcy on brain...
November 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29153157/a-100-year-review-protein-and-amino-acid-nutrition-in-dairy-cows
#17
Charles G Schwab, Glen A Broderick
Considerable progress has been made in understanding the protein and amino acid (AA) nutrition of dairy cows. The chemistry of feed crude protein (CP) appears to be well understood, as is the mechanism of ruminal protein degradation by rumen bacteria and protozoa. It has been shown that ammonia released from AA degradation in the rumen is used for bacterial protein formation and that urea can be a useful N supplement when lower protein diets are fed. It is now well documented that adequate rumen ammonia levels must be maintained for maximal synthesis of microbial protein and that a deficiency of rumen-degradable protein can decrease microbial protein synthesis, fiber digestibility, and feed intake...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29129236/effects-of-betaine-supplementation-on-nitric-oxide-metabolism-atherosclerotic-parameters-and-fatty-liver-in-guinea-pigs-fed-a-high-cholesterol-plus-methionine-diet
#18
Zeynep Küskü-Kiraz, Sema Genc, Seldağ Bekpınar, Yeşim Ünlücerci, Aydın Çevik, Vakur Olgaç, Figen Gürdöl, Müjdat Uysal
OBJECTIVE: The aim of this study was to investigate the effect of high cholesterol (CHOL) and CHOL + methionine (MET) diets on atherogenic and oxidative index parameters and on the factors that influence nitric oxide (NO) bioavailability. Also, attempts were made to determine whether dietary betaine (BET) resulted in any improvement in the changes that occurred after CHOL + MET administration. METHODS: Guinea pigs were fed chow containing 1.5% CHOL with or without 2% MET for 10 wk...
January 2018: Nutrition
https://www.readbyqxmd.com/read/29128224/effect-of-2-hydroxy-4-methylthio-butanoate-hmtba-on-risk-of-biohydrogenation-induced-milk-fat-depression
#19
M Baldin, G I Zanton, K J Harvatine
Diet-induced milk fat depression (MFD) is a multifactorial condition resulting from the interaction of numerous risk factors, including diet fermentability and unsaturated fatty acids concentration, feed additives, and individual cow effects. 2-Hydroxy-4-(methylthio)butanoate (HMTBa) is a methionine analog that has been observed to increase milk fat in some cases, and interactions with MFD risk factors may exist. The objective was to evaluate the effect of HMTBa supplementation on milk fat synthesis in cows with different levels of milk production and fed diets with increasing risk of biohydrogenation-induced MFD...
November 8, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29121591/proteomic-and-enzymatic-response-under-cr-vi-overload-in-yeast-isolated-from-textile-dye-industry-effluent
#20
Verónica Irazusta, Anahí Romina Bernal, María Cristina Estévez, Lucía I C de Figueroa
Cyberlindnera jadinii M9 and Wickerhamomyces anomalus M10 isolated from textile-dye liquid effluents has shown capacity for chromium detoxification via Cr(VI) biological reduction. The aim of the study was to evaluate the effect of hexavalent chromium on synthesis of novel and/or specific proteins involved in chromium tolerance and reduction in response to chromium overload in two indigenous yeasts. A study was carried out following a proteomic approach with W. anomalus M10 and Cy. jadinii M9 strains. For this, proteins extracts belonging to total cell extracts, membranes and mitochondria were analyzed...
November 6, 2017: Ecotoxicology and Environmental Safety
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