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https://www.readbyqxmd.com/read/28742432/controversies-surrounding-critical-care-nutrition-an-appraisal-of-permissive-underfeeding-protein-and-outcomes
#1
Jayshil J Patel, Robert G Martindale, Stephen A McClave
Over the past few years, numerous studies have called into question the optimal dose, timing, composition, and advancement rate of nutrition during the early acute phase of critical illness. These studies suggest permissive underfeeding with slow advancement may be more beneficial than aggressive full feeding. These counterintuitive results were possibly explained by enhanced autophagy, less hyperglycemia, or prevention of refeeding syndrome. This review underscores the controversies surrounding permissive underfeeding, aims to answer whether permissive underfeeding is appropriate for all critically ill patients, describes the impact of optimal protein delivery on critical care outcomes, discusses nutrition risk, and cogitates on the impact of nutrition on critical care outcomes...
July 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28723584/the-relationship-between-growth-performance-and-metabolic-rate-flexibility-varies-with-food-availability-in-juvenile-qingbo-spinibarbus-sinensis
#2
Ling-Qing Zeng, Lei Wang, Guan-Nan Wang, Yue Zeng, Shi-Jian Fu
Phenotypic flexibility in traits can allow organisms to cope with environmental challenges. However, the ecological consequences (e.g., growth) of SMR flexibility in fish are poorly understood. Juvenile qingbo (Spinibarbus sinensis) were reared individually with two levels of food resources (satiation or limited) with either continuous feeding (CF) or starvation-refeeding (SR). In the CF experiment, SMR increased when individuals were fed either the satiation or limited diets, but no difference was found in average specific growth rate somatic growth (SGR) between the two food availabilities...
July 16, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28700931/feedback-inhibition-of-the-rag-gtpase-gap-complex-lst4-lst7-safeguards-torc1-from-hyperactivation-by-amino-acid-signals
#3
Marie-Pierre Péli-Gulli, Serena Raucci, Zehan Hu, Jörn Dengjel, Claudio De Virgilio
Amino acids stimulate the eukaryotic target of rapamycin complex 1 (TORC1), and hence growth, through the Rag GTPases and their regulators. Among these, the yeast Lst4-Lst7 Rag GTPase GAP complex clusters, as we previously reported, at the vacuolar membrane upon amino acid starvation. In response to amino acid refeeding, it activates the Rag GTPase-TORC1 branch and is then dispersed from the vacuolar surface. Here, we show that the latter effect is driven by TORC1 itself, which directly phosphorylates several residues within the intra-DENN loop of Lst4 that, only in its non-phosphorylated state, tethers the Lst4-Lst7 complex to the vacuolar membrane...
July 11, 2017: Cell Reports
https://www.readbyqxmd.com/read/28689503/long-term-adaptation-capacity-of-ponies-effect-of-season-and-feed-restriction-on-blood-and-physiological-parameters
#4
L Brinkmann, A Riek, M Gerken
Domesticated horses are increasingly kept under semi-natural housing conditions, whereas their adaptation capacity is not fully investigated. In all, 10 Shetland pony mares were held under semi-extensive conditions for 1 year. In winter animals were allocated into two feeding groups (60% and 100% of maintenance energy requirement, respectively). Triiodothyronine, thyroxine, non-esterified fatty acids (NEFA), total bilirubin, total protein, triglyceride, glucose, insulin and hair length were measured at monthly intervals, whereas BW, body condition score, cresty neck score and resting heart rate were recorded every 2 weeks...
July 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28689443/does-having-a-gastrectomy-delay-time-to-feeding-and-prolong-hospital-stay-in-patients-undergoing-cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy
#5
Nicholas B Shannon, Grace Hwei Ching Tan, Claramae Shulyn Chia, Khee Chee Soo, Melissa Ching Teo
AIM: Cytoreductive surgery (CRS) with hyperthermic intraperitoneal chemotherapy (HIPEC) are routinely used to treat selected patients with peritoneal carcinomatosis, but can be associated with prolonged hospital stay, significant morbidity and mortality. Our objective was to assess whether patients undergoing gastrectomy as part of CRS/HIPEC were at increased risk of delayed feeding time and prolonged hospital stay. METHOD: 214 consecutive patients with peritoneal carcinomatosis treated with CRS/HIPEC between 2001 and 2016 were stratified by whether CRS included gastrectomy (n = 19, 9%) and compared...
July 9, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28688105/intussusception-in-celiac-disease-is-it-a-common-feature-in-children
#6
Vibhor V Borkar, Ujjal Poddar, Anuj Thakral, Jaya Agarwal, Anshu Srivastava, Surender Kumar Yachha, Sheo Kumar
BACKGROUND/AIMS: There are sporadic reports of occurrence of intussusception in celiac disease (CD) but no systematic study yet. We prospectively studied the prevalence and natural history of intussusception in newly diagnosed CD. METHODS: From January 2010 to October 2013, 150 children, diagnosed to have CD on the basis of positive serology and duodenal biopsy, were recruited in this study. Abdominal ultrasonography was done before starting gluten-free diet (GFD) and repeated in those who had intussusception, on day three and then weekly till the resolution of intussusception...
July 7, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28676303/central-and-peripheral-administrations-of-insulin-like-growth-factor-1-suppress-food-intake-in-chicks
#7
Shoichi Fujita, Kazuhisa Honda, Daichi Hiramoto, Mei Gyu, Mika Okuda, Shungo Nakayama, Mika Yamaguchi, Takaoki Saneyasu, Hiroshi Kamisoyama
A number of studies have been made on the physiological actions of insulin-like growth factor-1 (IGF-1) in mammals and birds. In mammals, the effects of central administration of IGF-1 on food intake have been examined. For example, intracerebroventricular administration of IGF-1 significantly decreased food intake in diabetic rats, but not in sheep and nondiabetic rats. The chicken is known to be a hyperglycemic animal. Like satiety hormones, plasma IGF-1 levels are elevated postprandially in chickens. In this study, we hypothesized that IGF-1 is involved in the regulation of food intake in chickens...
July 1, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28647292/risk-factors-of-refeeding-syndrome-in-malnourished-older-hospitalized-patients
#8
Maryam Pourhassan, Ingeborg Cuvelier, Ilse Gehrke, Christian Marburger, Mirja Katrin Modreker, Dorothee Volkert, Hans-Peter Willschrei, Rainer Wirth
BACKGROUND & AIMS: Despite the high prevalence of malnutrition among older hospitalized persons, it is unknown how many of these malnourished patients are at risk of developing the refeeding syndrome (RFS). In this study, we sought to compare the prevalence and severity of malnutrition among older hospitalized patients with prevalence of known risk factors of RFS. METHODS: This cross-sectional multicenter-study investigated older participants who were consecutively admitted to the geriatric acute care ward...
June 10, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28645790/vitamin-e-deficiency-during-embryogenesis-in-zebrafish-causes-lasting-metabolic-and-cognitive-impairments-despite-refeeding-adequate-diets
#9
Melissa McDougall, Jaewoo Choi, Lisa Truong, Robert Tanguay, Maret G Traber
Vitamin E (α-tocopherol; VitE) is a lipophilic antioxidant required for normal embryonic development in vertebrates, but the long-term effects of embryonic VitE deficiency, and whether they are ameliorated by feeding VitE-adequate diets, remain unknown. We addressed these questions using a zebrafish (Danio rerio) model of developmental VitE deficiency followed by dietary remediation. Adult zebrafish maintained on VitE-deficient (E-) or sufficient (E+) diets were spawned to obtained E- and E+ embryos, respectively, which we evaluated up to 12 days post-fertilization (dpf)...
June 20, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28634203/papers-of-note-in-science356-6343
#10
Annalisa M VanHook
This week's articles describe a mechanism by which starvation primes a cellular nutrient-sensing system for activation upon refeeding; microRNAs that control pain sensitivity; and the lasting effects of early life stress on the likelihood of developing depression.
June 20, 2017: Science Signaling
https://www.readbyqxmd.com/read/28596504/overexpression-of-syf2-promotes-cell-proliferation-and-correlates-with-poor-prognosis-in-human-breast-cancer
#11
Feng Shi, Feng-Feng Cai, Lu Cai, Xiao-Yan Lin, Wei Zhang, Qin-Qin Wang, Yu-Jie Zhao, Qi-Chao Ni, Hua Wang, Zhi-Xian He
SYF2, a known cell cycle regulator, is reported to be involved in cell cycle arrest by interacting with cyclin-D-type binding protein 1. In the present study, we investigated the role of SYF2 in human breast cancer (BC) progression. SYF2 was highly upregulated in BC tissues and cell lines, as per Western blot and immunohistochemistry analysis. The SYF2 expression level had a significant correlation with the tumor grade and Ki-67 expression. In vitro starvation-refeeding experiment and SYF2-siRNA transfection assay demonstrated that SYF2 could promote proliferation of BC cells, while SYF2 knockdown resulted in cells cycle arrest at G1/S phase, reducing the cell growth rate of BC cells...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28593655/vitamin-d-levels-strongly-influence-bone-mineral-density-and-bone-turnover-markers-during-weight-gain-in-female-patients-with-anorexia-nervosa
#12
Alessandro Giollo, Luca Idolazzi, Cristian Caimmi, Angelo Fassio, Francesco Bertoldo, Riccardo Dalle Grave, Marwan El Ghoch, Simona Calugi, Paola Vittoria Bazzani, Ombretta Viapiana, Maurizio Rossini, Davide Gatti
OBJECTIVE: The aim of the study was to investigate a potential role for vitamin D status on bone mineral density (BMD) during weight gain in patients with anorexia nervosa (AN). METHOD: Spine and hip BMD assessed by dual-energy X-ray absorptiometry (DXA), serum vitamin D (25-OH-D), N-propeptide of type I collagen (P1NP), C-terminal telopeptide of type I collagen (CTX), and intact parathyroid hormone (PTH) were measured before and after a 20-week intensive weight-restoration program in ninety-one female patients with AN and secondary amenorrhoea...
June 7, 2017: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/28592307/global-gene-expression-in-muscle-from-fasted-refed-trout-reveals-up-regulation-of-genes-promoting-myofibre-hypertrophy-but-not-myofibre-production
#13
Pierre-Yves Rescan, Aurelie Le Cam, Cécile Rallière, Jérôme Montfort
BACKGROUND: Compensatory growth is a phase of rapid growth, greater than the growth rate of control animals, that occurs after a period of growth-stunting conditions. Fish show a capacity for compensatory growth after alleviation of dietary restriction, but the underlying cellular mechanisms are unknown. To learn more about the contribution of genes regulating hypertrophy (an increase in muscle fibre size) and hyperplasia (the generation of new muscle fibres) in the compensatory muscle growth response in fish, we used high-density microarray analysis to investigate the global gene expression in muscle of trout during a fasting-refeeding schedule and in muscle of control-fed trout displaying normal growth...
June 7, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28581533/gastrointestinal-complications-and-refeeding-guidelines-in-patients-with-anorexia-nervosa
#14
REVIEW
Żaneta Malczyk, Joanna Małgorzata Oświęcimska
Anorexia nervosa (AN) is the third most common disorder, after obesity and asthma, in the population of adolescents between 13-18 years of age. Food intake reduction is associated with whole body dysfunction, affecting its physical, psychological and social spheres. As a result of starvation, dysfunction develops in virtually all systems and organs. However, most frequently patients with AN complain of digestive symptoms, such as a feeling of fullness after meals, pain in the upper abdomen, dysphagia, nausea, bloating and constipation...
April 30, 2017: Psychiatria Polska
https://www.readbyqxmd.com/read/28570279/optimized-multiplex-immunofluorescence-single-cell-analysis-reveals-tuft-cell-heterogeneity
#15
Eliot T McKinley, Yunxia Sui, Yousef Al-Kofahi, Bryan A Millis, Matthew J Tyska, Joseph T Roland, Alberto Santamaria-Pang, Christina L Ohland, Christian Jobin, Jeffrey L Franklin, Ken S Lau, Michael J Gerdes, Robert J Coffey
Intestinal tuft cells are a rare, poorly understood cell type recently shown to be a critical mediator of type 2 immune response to helminth infection. Here, we present advances in segmentation algorithms and analytical tools for multiplex immunofluorescence (MxIF), a platform that enables iterative staining of over 60 antibodies on a single tissue section. These refinements have enabled a comprehensive analysis of tuft cell number, distribution, and protein expression profiles as a function of anatomical location and physiological perturbations...
June 2, 2017: JCI Insight
https://www.readbyqxmd.com/read/28566630/insulin-represses-fasting-induced-expression-of-hepatic-fat-specific-protein-27
#16
Kohei Matsuo, Kimihiko Matsusue, Daisuke Aibara, Soichi Takiguchi, Frank J Gonzalez, Shigeru Yamano
The fat-specific protein 27 (Fsp27) gene belongs to the cell death-inducing DNA fragmentation factor 45-like effector family. Fsp27 is highly expressed in adipose tissue as well as the fatty liver of ob/ob mice. Fsp27 is directly regulated by the peroxisome proliferator-activated receptor γ (PPARγ) in livers of genetically obese leptin deficient ob/ob mice. In the present study, Fsp27 was markedly induced by 24 h fasting in genetically normal mouse livers and repressed by refeeding a high sucrose diet. In contrast with the liver, Fsp27 expression was decreased in adipose tissue by fasting and increased by refeeding...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28539336/nutritional-regulation-of-renal-lipogenic-factor-expression-in-mice-comparison-to-regulation-in-the-liver-and-skeletal-muscle
#17
Suk-Jeong Kim, Ji-Eun Kim, Yong-Woon Kim, Jong-Yeon Kim, So-Young Park
Regulation of lipogenesis by pathophysiological factors in the liver and skeletal muscle is well understood; however, regulation in the kidney is still unclear. To elucidate nutritional regulation of lipogenic factors in the kidney, we measured the renal expression of lipogenic transcriptional factors and enzymes during fasting and refeeding in chow-fed and high-fat-fed mice. We also examined the regulatory effect of the liver X receptor (LXR) on the expression of lipogenic factors. The renal gene expression of sterol regulatory element-binding protein (SREBP)-1c and fatty acid synthase (FAS) was reduced by fasting for 48 h and restored by refeeding, whereas the mRNA levels of forkhead box O (FOXO)1/3 were increased by fasting and restored by refeeding...
May 24, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28537512/do-patients-with-a-baseline-clinical-condition-warranting-the-cautious-use-of-parenteral-nutrition-develop-subsequent-metabolic-complications
#18
Diana M Solomon, James M Hollands, Laura A Siemianowski, Colleen E Smith, Richard J Song, Angela L Bingham
BACKGROUND: The American Society for Parenteral and Enteral Nutrition Adult Nutrition Support Core Curriculum describes clinical conditions that warrant cautious use of parenteral nutrition (CCWCPN). The Core Curriculum authors acknowledge there is no evidence for specific criteria suggested for the clinical conditions. Consequently, the purpose of this study was to determine the impact of a baseline CCWCPN on the development of subsequent metabolic complications in patients receiving parenteral nutrition (PN)...
June 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28533422/paternal-hyperglycemia-in-rats-exacerbates-the-development-of-obesity-in-offspring
#19
Xiaoqin Shi, Xinyu Li, Yi Hou, Xuemei Cao, Yuyao Zhang, Heng Wang, Hongying Wang, Chuan Peng, Jibin Li, Qifu Li, Chaodong Wu, Xiaoqiu Xiao
Parental history with obesity or diabetes will increase the risk for developing metabolic diseases in offspring. However, literatures as to transgenerational inheritance of metabolic dysfunctions through male lineage are relatively scarce. In current study, we aimed to evaluate influences of paternal hyperglycemia on metabolic phenotypes in offspring. Male SD rats were ip injected with streptozotocin (STZ) or citrate buffer (CB, as control). STZ-injected rats with glucose levels higher than 16 mM were selected to breed with normal female rats...
May 22, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28531775/a-protocol-for-sustained-reduction-of-total-parenteral-nutrition-and-cost-savings-by-improvement-of-nutritional-care-in-hospitals
#20
Rian van Schaik, Kurt Van den Abeele, Glenn Melsens, Peter Schepens, Truus Lanssens, Bernadette Vlaemynck, Maria Devisch, Theo A Niewold
BACKGROUND AND AIMS: Malnutrition and the use of Total Parenteral Nutrition (TPN) contribute considerably to hospital costs. Recently, we reported on the introduction of malnutrition screening and monitoring of TPN use in our hospital, which resulted in a large (40%) reduction in TPN and improved quality of nutritional care in two years (2011/12). Here, we aimed to assure continuation of improved care by developing a detailed malnutrition screening and TPN use protocol involving instruction tools for hospital staff, while monitoring the results in the following two years (2013/14)...
October 2016: Clinical Nutrition ESPEN
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