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https://www.readbyqxmd.com/read/28634203/papers-of-note-in-science356-6343
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28530498/negative-consequences-of-low-energy-availability-in-natural-male-bodybuilding-a-review
#12
Petter Fagerberg
Energy availability (EA) is a scientific concept describing how much energy is available for basic metabolic functions such as reproduction, immunity and skeletal homeostasis. Carefully controlled studies on women have shown pathological effects of EA<30kcal/kg fat free mass (FFM) and this state has been labeled low EA (LEA). Bodybuilding is a sport in which athletes compete to show muscular definition, symmetry and low body fat. The process of contest preparation in bodybuilding includes months of underfeeding, thus increasing the risk of LEA and its negative health consequences...
May 22, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28526384/stereology-shows-that-damaged-liver-recovers-after-protein-refeeding
#13
Silvio Pires Gomes, Andréa Almeida Pinto da Silva, Amanda Rabello Crisma, Primavera Borelli, Francisco Javier Hernandez-Blazquez, Mariana P de Melo, Barbara Bacci, Andrzej Loesch, A Augusto Coppi
OBJECTIVE: The aim of the present study was to investigate the putative effects of a low-protein diet on the three-dimensional structure of hepatocytes and determine whether this scenario could be reversed by restoring the adequate levels of protein to the diet. METHODS: Using design-based stereology, the total number and volume of hepatocytes were estimated in the liver of mice in healthy and altered (by protein malnutrition) conditions and after protein renutrition...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28513833/potential-role-and-prognostic-importance-of-dishevelled-2-in-epithelial-ovarian-cancer
#14
Rong Liu, Jialin Cheng, Yannan Chen, Wei Wang, Jie Chen, Guoxin Mao
OBJECTIVE: To investigate the role and prognostic importance of Dvl2 in human epithelial ovarian cancer (EOC). METHODS: A multimethod study was undertaken including patients with pathologically confirmed non-metastatic EOC who underwent surgery for maximum tumor resection at a center in China. Dvl2 expression was assessed by western blot using fresh EOC tissues and normal ovarian tissues obtained between June 2014 and January 2015. Additionally, retrospective data were obtained for patients treated between April 2004 and September 2009...
May 17, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28510290/retrospective-evaluation-of-the-impact-of-early-enteral-nutrition-on-clinical-outcomes-in-dogs-with-pancreatitis-34-cases-2010-2013
#15
Jessica P Harris, Nolie K Parnell, Emily H Griffith, Korinn E Saker
OBJECTIVE: To evaluate the effect of early enteral nutritional therapy on time to return to voluntary intake, maximum food consumption, incidence of gastrointestinal intolerance (GI), and total hospitalization time for dogs with acute pancreatitis. DESIGN AND SETTING: Retrospective analysis of dogs with pancreatitis at a veterinary teaching hospital between 2010 and 2013. ANIMALS: Thirty-four client-owned dogs diagnosed with acute or acute-on-chronic pancreatitis...
May 16, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28505179/food-restriction-increase-the-expression-of-mtorc1-complex-genes-in-the-skeletal-muscle-of-juvenile-pacu-piaractus-mesopotamicus
#16
Tassiana Gutierrez de Paula, Bruna Tereza Thomazini Zanella, Bruno Evaristo de Almeida Fantinatti, Leonardo Nazário de Moraes, Bruno Oliveira da Silva Duran, Caroline Bredariol de Oliveira, Rondinelle Artur Simões Salomão, Rafaela Nunes da Silva, Carlos Roberto Padovani, Vander Bruno Dos Santos, Edson Assunção Mareco, Robson Francisco Carvalho, Maeli Dal-Pai-Silva
Skeletal muscle is capable of phenotypic adaptation to environmental factors, such as nutrient availability, by altering the balance between muscle catabolism and anabolism that in turn coordinates muscle growth. Small noncoding RNAs, known as microRNAs (miRNAs), repress the expression of target mRNAs, and many studies have demonstrated that miRNAs regulate the mRNAs of catabolic and anabolic genes. We evaluated muscle morphology, gene expression of components involved in catabolism, anabolism and energetic metabolism and miRNAs expression in both the fast and slow muscle of juvenile pacu (Piaractus mesopotamicus) during food restriction and refeeding...
2017: PloS One
https://www.readbyqxmd.com/read/28504843/a-novel-synthetic-chemical-entity-upei-800-is-neuroprotective-in-vitro-and-in-an-in-vivo-rat-model-of-oxidative-stress
#17
Tarek M Saleh, Monique C Saleh, Barry J Connell, Inan Kucukkaya, Alaa S Abd-El-Aziz
In this study, we tested a novel synthetic pyrazole-containing compound, 5-amino-1-phenyl-1H-pyrazole-4-carbonitrile (APPC), as an antioxidant in both in vitro and in vivo models of oxidative stress. In addition, the utility of covalently combining APPC with another well-established antioxidant, lipoic acid (LA), was also tested in both models. The in vitro results demonstrated that pretreatment with APPC in a mixed neuronal-glial culture exposed to oxygen-glucose deprivation (OGD) followed by reoxygenation-refeeding, resulted in significant neuroprotection at concentrations between 2...
May 15, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28499082/exacerbation-of-liver-steatosis-following-exposure-to-famine-and-overnutrition
#18
Zhiyuan Ning, Kun Zhang, Li Zhao, You Lu, Honglin Sun, Chi Chen, Xiaomin Nie, Meng Lu, Ningjian Wang, Yingli Lu
SCOPE: People suffering from famine in early life and overnutrition in adulthood may have an increased risk for liver steatosis. We aimed to investigate the effects and mechanisms of early nutrition restriction and overnutrition on de novo lipogenesis in the liver. METHODS AND RESULTS: Three-week-old male rats were food restricted for 4 weeks and refed a high-fat or normal-fat diet individually in metabolic cages for 9 weeks. Weight-matched groups were also set up...
May 12, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28496985/the-effects-of-dietary-macronutrient-composition-on-lipid-metabolism-associated-factor-gene-expression-in-the-adipose-tissue-of-chickens-are-influenced-by-fasting-and-refeeding
#19
Guoqing Wang, Betty R McConn, Dongmin Liu, Mark A Cline, Elizabeth R Gilbert
BACKGROUND: Broiler chickens are compulsive feeders that become obese as juveniles and are thus a unique model for metabolic disorders in humans. However, little is known about the relationship between dietary composition, fasting and refeeding and adipose tissue physiology in chicks. Our objective was to determine how dietary macronutrient composition and fasting and refeeding affect chick adipose physiology during the early post-hatch period. METHODS: Chicks were fed one of three isocaloric diets after hatch: high-carbohydrate (HC; control), high-fat (HF; 30% of ME from soybean oil) or high-protein (HP; 25% vs...
2017: BMC Obesity
https://www.readbyqxmd.com/read/28493487/effect-of-starvation-and-refeeding-on-the-hepatopancreas-of-whiteleg-shrimp-penaeus-vannamei-boone-using-computer-assisted-image-analysis
#20
F Cervellione, C McGurk, T Berger Eriksen, W Van den Broeck
Under normal farming conditions, shrimp can experience starvation periods attributable to disease outbreaks or adverse environmental conditions. Starvation leads to significant morphological changes in the hepatopancreas (HP), being the main organ for absorption and storage of nutrients. In the literature, limited research has described the effect on the HP of periods of starvation followed by refeeding and none in whiteleg shrimp (Penaeus vannamei) using computer-assisted image analysis (CAIA). This study describes the effect of starvation and starvation followed by refeeding on the HP of whiteleg shrimp using CAIA...
May 11, 2017: Journal of Fish Diseases
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