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Glutamine supplementation

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https://www.readbyqxmd.com/read/27897391/a-systematic-review-on-the-role-of-vitamins-minerals-proteins-and-other-supplements-for-the-treatment-of-cachexia-in-cancer-a-european-palliative-care-research-centre-cachexia-project
#1
REVIEW
Mochamat, Henning Cuhls, Milka Marinova, Stein Kaasa, Christiane Stieber, Rupert Conrad, Lukas Radbruch, Martin Mücke
We provide a systematic review to support the European Palliative Care Research Collaboration development of clinical guidelines for cancer patients suffering from cachexia. CENTRAL, MEDLINE, PsycINFO, ClinicalTrials.gov, and a selection of cancer journals have been searched up until 15 April 2016. The systematic literature research yielded 4214 publications with 21 of these included in the final evaluation. Regarding minerals, our search identified only one study examining the use of magnesium with no effect on weight loss...
July 20, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27865159/dietary-glutamine-supplementation-enhances-endothelial-progenitor-cell-mobilization-in-streptozotocin-induced-diabetic-mice-subjected-to-limb-ischemia
#2
Shiau-Tsz Su, Chiu-Li Yeh, Yu-Chen Hou, Man-Hui Pai, Sung-Ling Yeh
Diabetes is a metabolic disorder with increased risk of vascular diseases. Tissue ischemia may occur with diabetic vascular complications. Bone marrow-derived endothelial progenitor cells (EPCs) constitute a reparative response to ischemic injury. This study investigated the effects of oral glutamine (GLN) supplementation on circulating EPC mobilization and expression of tissue EPC-releasing markers in diabetic mice subjected to limb ischemia. Diabetes was induced by a daily intraperitoneal injection of streptozotocin for 5 days...
October 29, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27857647/nutrition-chez-le-br%C3%A3-l%C3%A3
#3
G Perro
Nutrition is a challenge for burn patients. Emphasized points are early enteral amounts by means of a naso-gastric tube, semi-recumbent position > 30°, gastro-intestinal survey improved by kinetics, weight evolution, nutritional amounts assessment to prevent proteino-energetic deficiency. Feeding is difficult with children, as with seniors often associating a preexisting starvation. Nutritional supplements are useful in medium severity patients. For overweight patients, hypo caloric and hyperprotidic diet is the better choice...
March 31, 2016: Annals of Burns and Fire Disasters
https://www.readbyqxmd.com/read/27854330/enhanced-production-of-anthraquinones-and-phenolic-compounds-and-biological-activities-in-the-cell-suspension-cultures-of-polygonum-multiflorum
#4
Muthu Thiruvengadam, Kaliyaperumal Rekha, Govindasamy Rajakumar, Taek-Jun Lee, Seung-Hyun Kim, Ill-Min Chung
Anthraquinones (AQs) and phenolic compounds are important phytochemicals that are biosynthesized in cell suspension cultures of Polygonum multiflorum. We wanted to optimize the effects of plant growth regulators (PGRs), media, sucrose, l-glutamine, jasmonic acid (JA), and salicylic acid (SA) for the production of phytochemicals and biomass accumulation in a cell suspension culture of P. multiflorum. The medium containing Murashige and Skoog (MS) salts and 4% sucrose supplemented with 1 mg/L 2,4-dichlorophenoxyacetic acid, 0...
November 16, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27836465/naringin-regulates-glutamate-nitric-oxide-cgmp-pathway-in-ammonium-chloride-induced-neurotoxicity
#5
Arumugam Ramakrishnan, Natesan Vijayakumar, Mani Renuka
Naringin, plant bioflavonoid extracted mainly from grapefruit and other related citrus species. This study was designed to assess the neuroprotective effect of naringin on ammonium chloride (NH4Cl) induced hyperammonemic rats. Experimental hyperammonemia was induced by intraperitonial injection (i.p) of NH4Cl (100mg/kg body weight (b.w.)) thrice a week for 8 consecutive weeks. Hyperammonemic rats were treated with naringin (80mg/kg b.w.) via oral gavage. Naringin administration drastically restored the levels of blood ammonia, plasma urea, nitric oxide (NO), glutamate, glutamine, lipid peroxidation, lipid profile, activities of liver marker enzymes, antioxidant status and sodium/potassium-ATPase (Na(+)/K(+)-ATPase)...
November 8, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27830395/glutamine-for-the-treatment-of-vincristine-induced-neuropathy-in-children-and-adolescents-with-cancer
#6
Stephen Sands, Elena J Ladas, Kara M Kelly, Michael Weiner, Meiko Lin, Deborah Hughes Ndao, Amie Dave, Linda T Vahdat, Julia Glade Bender
BACKGROUND: Vincristine is an integral treatment component of many childhood tumors with potentially dose-limiting sensory and/or motor neuropathy. Results from a pilot study on the incidence of vincristine-induced peripheral neuropathy (VIPN) as well as the efficacy and safety of glutamine in reducing signs and symptoms of VIPN in children with cancer are presented. METHODS: Fifty-six patients between the ages of 5-21 with newly diagnosed leukemia, lymphoma, extracranial solid tumor or medulloblastoma and expected to receive a minimum cumulative dose of 6 mg/m(2) of vincristine over a 30-week period were eligible...
November 9, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/27829456/is-the-glutamine-story-over
#7
Marie Smedberg, Jan Wernerman
Glutamine has been launched as a conditionally indispensible amino acid for the critically ill. Supplementation has been recommended in guidelines from international societies. Although data have been presented pointing out that glutamine supplementation may not be for everybody, recommendations for treatments and design of study protocols have included all critically ill patients. Results from more recent studies and meta-analyses indicate that indiscriminate use of glutamine supplementation in critically ill patients may actually cause harm rather than beneficial effects...
November 10, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27812441/callus-induction-and-regeneration-via-shoot-tips-of-dendrocalamus-hamiltonii
#8
Qiaolu Zang, Ling Zhou, Fei Zhuge, Haiyun Yang, Xiaoqin Wang, Xinchun Lin
By using shoot tips as explants, various media and culture conditions for callus induction and proliferation, shoot differentiation, root induction and plantlet transplantation to develop an efficient and reliable regeneration system with Dendrocalamus hamiltonii were tested. Murashige and Skoog (MS) medium supplemented with 3 mg/l 2, 4-dichlorophenoxyacetic acid, 1 mg/l benzyladenine (BA), 500 mg/l glutamine, 500 mg/l proline, and 500 mg/l casein hydrolysate yielded the best rates of callus induction and granular-compact callus induction...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27802150/feeding-through-your-gills-and-turning-a-toxicant-into-a-resource-how-the-dogfish-shark-scavenges-ammonia-from-its-environment
#9
Chris M Wood, Marina Giacomin
Nitrogen (N) appears to be a limiting dietary resource for elasmobranchs, required not only for protein growth but also for urea-based osmoregulation. Building on recent evidence that the toxicant ammonia can be taken up actively at the gills of the shark and made into the valuable osmolyte urea, we demonstrate that the uptake exhibits classic Michaelis-Menten saturation kinetics with an affinity constant (Km) of 379 µmol l(-1), resulting in net N retention at environmentally realistic ammonia concentrations (100-400 µmol l(-1)) and net N loss through stimulated urea-N excretion at higher levels...
October 15, 2016: Journal of Experimental Biology
https://www.readbyqxmd.com/read/27798266/focally-perfused-succinate-potentiates-brain-metabolism-in-head-injury-patients
#10
Ibrahim Jalloh, Adel Helmy, Duncan J Howe, Richard J Shannon, Peter Grice, Andrew Mason, Clare N Gallagher, Matthew G Stovell, Susan van der Heide, Michael P Murphy, John D Pickard, David K Menon, T Adrian Carpenter, Peter J Hutchinson, Keri Lh Carpenter
Following traumatic brain injury, complex cerebral energy perturbations occur. Correlating with unfavourable outcome, high brain extracellular lactate/pyruvate ratio suggests hypoxic metabolism and/or mitochondrial dysfunction. We investigated whether focal administration of succinate, a tricarboxylic acid cycle intermediate interacting directly with the mitochondrial electron transport chain, could improve cerebral metabolism. Microdialysis perfused disodium 2,3-(13)C2 succinate (12 mmol/L) for 24 h into nine sedated traumatic brain injury patients' brains, with simultaneous microdialysate collection for ISCUS analysis of energy metabolism biomarkers (nine patients) and nuclear magnetic resonance of (13)C-labelled metabolites (six patients)...
October 17, 2016: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/27775778/the-role-of-glutamine-supplemented-total-parenteral-nutrition-tpn-in-severe-acute-pancreatitis
#11
X Liu, J Wang, Z-H Li
OBJECTIVE: To evaluate the role of glutamine-supplemented total parenteral nutrition (TPN) in severe acute pancreatitis. PATIENTS AND METHODS: Forty-seven patients with severe acute pancreatitis were admitted to Huaihe Hospital, China, over a period of one year (July 2013 to June 2014) were randomly divided into two therapeutic groups. Patients in group 1 (24 patients in total) and group 2 (23 patient in total) were treated with glutamine-supplemented TPN and standard TPN respectively...
October 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27768727/addition-of-alanyl-glutamine-to-dialysis-fluid-restores-peritoneal-cellular-stress-responses-a-first-in-man-trial
#12
Klaus Kratochwill, Michael Boehm, Rebecca Herzog, Katharina Gruber, Anton Michael Lichtenauer, Lilian Kuster, Dagmar Csaicsich, Andreas Gleiss, Seth L Alper, Christoph Aufricht, Andreas Vychytil
BACKGROUND: Peritonitis and ultrafiltration failure remain serious complications of chronic peritoneal dialysis (PD). Dysfunctional cellular stress responses aggravate peritoneal injury associated with PD fluid exposure, potentially due to peritoneal glutamine depletion. In this randomized cross-over phase I/II trial we investigated cytoprotective effects of alanyl-glutamine (AlaGln) addition to glucose-based PDF. METHODS: In a prospective randomized cross-over design, 20 stable PD outpatients underwent paired peritoneal equilibration tests 4 weeks apart, using conventional acidic, single chamber 3...
2016: PloS One
https://www.readbyqxmd.com/read/27749689/glutamine-and-the-regulation-of-intestinal-permeability-from-bench-to-bedside
#13
Najate Achamrah, Pierre Déchelotte, Moïse Coëffier
PURPOSE OF REVIEW: Glutamine is the most abundant amino acid in plasma and plays a key role in maintaining the integrity of intestinal barrier. RECENT FINDINGS: Experimental studies showed that glutamine is able to modulate intestinal permeability and tight junction protein expression in several conditions. Recent articles underlined its putative beneficial role in gastrointestinal disorders such as irritable bowel syndrome. SUMMARY: Glutamine is a major nutrient to maintain intestinal barrier function in animals and humans...
January 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/27722780/n-acetylcysteine-attenuates-intrauterine-growth-retardation-induced-hepatic-damage-in-suckling-piglets-by-improving-glutathione-synthesis-and-cellular-homeostasis
#14
Hao Zhang, Weipeng Su, Zhixiong Ying, Yueping Chen, Le Zhou, Yue Li, Jingfei Zhang, Lili Zhang, Tian Wang
PURPOSE: The objective of the present study was to test the hypothesis that N-acetylcysteine (NAC) may play beneficial roles against intrauterine growth retardation (IUGR)-induced hepatic damage in suckling piglets. METHODS: Fourteen IUGR and seven normal birth weight (NBW) neonatal male piglets were selected. Piglets were weaned at 7 days of postnatal age and fed the control formula milk (NBW-CON and IUGR-CON groups) or the control formula milk supplemented with 1...
October 8, 2016: European Journal of Nutrition
https://www.readbyqxmd.com/read/27689785/methionine-sulfoximine-supplementation-enhances-productivity-in-gs-chok1sv-cell-lines-through-glutathione-biosynthesis
#15
Marc Feary, Andrew J Racher, Robert J Young, C Mark Smales
In Lonza Biologics' GS Gene Expression System™, recombinant protein-producing GS-CHOK1SV cell lines are generated by transfection with an expression vector encoding both GS and the protein product genes followed by selection in MSX and glutamine-free medium. MSX is required to inhibit endogenous CHOK1SV GS, and in effect create a glutamine auxotrophy in the host that can be complemented by the expression vector encoded GS in selected cell lines. However, MSX is not a specific inhibitor of GS as it also inhibits the activity of GCL (a key enzyme in the glutathione biosynthesis pathway) to a similar extent...
September 30, 2016: Biotechnology Progress
https://www.readbyqxmd.com/read/27677364/contribution-of-branched-chain-amino-acids-to-purine-nucleotide-cycle-a-pilot-study
#16
F-C Tang, C-C Chan
BACKGROUND/OBJECTIVES: Branched-chain amino acids (BCAAs) and purine nucleotide cycle (PNC) are both associated with energy metabolism. The purpose of this study was to explore the influences of BCAA supplementation on the PNC activity of male athletes in response to a bout of endurance running exercise. SUBJECTS/METHODS: Twelve male athletes (20.3±1.4 years) participated in the study. Each of the athletes received 12 g of a BCAA supplement (leucine 54%, isoleucine 19% and valine 27%) per day during the study...
September 28, 2016: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27660289/interaction-between-2-nutraceutical-treatments-and-host-immune-status-in-the-pediatric-critical-illness-stress-induced-immune-suppression-comparative-effectiveness-trial
#17
Joseph A Carcillo, J Michael Dean, Richard Holubkov, John Berger, Kathleen L Meert, Kanwaljeet J S Anand, Jerry J Zimmerman, Christopher J L Newth, Rick Harrison, Jeri Burr, Douglas F Willson, Carol Nicholson, Michael J Bell, Robert A Berg, Thomas P Shanley, Sabrina M Heidemann, Heidi Dalton, Tammara L Jenkins, Allan Doctor, Angie Webster, Robert F Tamburro
BACKGROUND AND AIMS: The pediatric Critical Illness Stress-induced Immune Suppression (CRISIS) trial compared the effectiveness of 2 nutraceutical supplementation strategies and found no difference in the development of nosocomial infection and sepsis in the overall population. We performed an exploratory post hoc analysis of interaction between nutraceutical treatments and host immune status related to the development of nosocomial infection/sepsis. METHODS: Children from the CRISIS trial were analyzed according to 3 admission immune status categories marked by decreasing immune competence: immune competent without lymphopenia, immune competent with lymphopenia, and previously immunocompromised...
September 22, 2016: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27647919/diabetic-wound-regeneration-using-peptide-modified-hydrogels-to-target-re-epithelialization
#18
Yun Xiao, Lewis A Reis, Nicole Feric, Erica J Knee, Junhao Gu, Shuwen Cao, Carol Laschinger, Camila Londono, Julia Antolovich, Alison P McGuigan, Milica Radisic
There is a clinical need for new, more effective treatments for chronic wounds in diabetic patients. Lack of epithelial cell migration is a hallmark of nonhealing wounds, and diabetes often involves endothelial dysfunction. Therefore, targeting re-epithelialization, which mainly involves keratinocytes, may improve therapeutic outcomes of current treatments. In this study, we present an integrin-binding prosurvival peptide derived from angiopoietin-1, QHREDGS (glutamine-histidine-arginine-glutamic acid-aspartic acid-glycine-serine), as a therapeutic candidate for diabetic wound treatments by demonstrating its efficacy in promoting the attachment, survival, and collective migration of human primary keratinocytes and the activation of protein kinase B Akt and MAPKp42/44 The QHREDGS peptide, both as a soluble supplement and when immobilized in a substrate, protected keratinocytes against hydrogen peroxide stress in a dose-dependent manner...
October 4, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27639963/responses-of-photosynthesis-nitrogen-and-proline-metabolism-to-salinity-stress-in-solanum-lycopersicum-under-different-levels-of-nitrogen-supplementation
#19
Madhulika Singh, Vijay Pratap Singh, Sheo Mohan Prasad
In the present study, effect of different levels of nitrogen (N0, deprived; N25, sub-optimum; N75, optimum and N150, supra-optimum) in Solanum lycopersicum L. seedlings under NaCl (NaCl1, 0.3 g kg(-1) sand and NaCl2, 0.5 g kg(-1)sand) stress was investigated. Biomass accumulation, pigments, K(+) concentration, nitrate and nitrite contents were declined by NaCl in dose dependent manner. As compared to control (N75 without NaCl), fresh weight declined by 4% and 11%, and dry weight by 7 and 13% when seedlings were grown under N75+NaCl1 and N75+NaCl2 combinations, respectively...
August 31, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27635657/experimental-cancer-cachexia-changes-neuron-numbers-and-peptide-levels-in-the-intestine-partial-protective-effects-after-dietary-supplementation-with-l-glutamine
#20
Geraldo E Vicentini, Luciane Fracaro, Sara R G de Souza, Heber A Martins, Flávia A Guarnier, Jacqueline N Zanoni
Gastrointestinal dysmotility frequently occurs in cancer cachexia and may result from damage to enteric innervation caused by oxidative stress, especially due to glutathione depletion. We assessed the effect of dietary supplementation with 20 g/kg l-glutamine (a glutathione precursor) on the intrinsic innervation of the enteric nervous system in healthy and Walker 256 tumor-bearing Wistar rats during the development of experimental cachexia (14 days), in comparison with non-supplemented rats, by using immunohistochemical methods and Western blotting...
2016: PloS One
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