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Protein energy wasting

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https://www.readbyqxmd.com/read/28924269/effect-of-dietary-counselling-on-the-nutritional-status-of-end-stage-renal-disease-patients
#1
Bibi Hajira, Maryam Manzoor, Muhammad Samiullah, Rattan Kaur Chawla
OBJECTIVE: To investigate the effect of dietary counselling on the nutritional status of end-stage renal disease patients undergoing maintenance haemodialysis. METHODS: This study was conducted at the Institute of Kidney Diseases, Peshawar, Pakistan, from November to December 2015, and comprised patients of either gender with protein energy wasting. The nutritional status assessment was based on four categories, including biochemical indicators (haemoglobin, serum albumin and cholesterol), measure of body mass index, reduced body fatness, decreased muscle mass and low protein or energy intake...
September 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28910791/inflammation-and-protein-energy-wasting-in-the-uremic-milieu
#2
Magdalena Jankowska, Gabriela Cobo, Bengt Lindholm, Peter Stenvinkel
Inflammation is normally a protective and physiological response to harmful stimuli, but typically becomes an uncontrolled, maladaptive, and persistent process in patients with end-stage renal disease (ESRD). Through a deleterious cascade of poorly controlled reactions mediated by biologically active molecules (also called middle molecular weight uremia retention solutes), inflammation associates with a range of complications including cardiovascular disease and protein-energy wasting (PEW). Persistent inflammation, which is central to the conceptual etiological models of PEW and the malnutrition, inflammation, and atherosclerosis syndrome, induces and reignites processes leading to PEW in a number of ways including stimulation of both direct and indirect mechanisms of muscle proteolysis...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28910789/end-stage-renal-disease-inflammation-and-cardiovascular-outcomes
#3
Lu Dai, Edyta Golembiewska, Bengt Lindholm, Peter Stenvinkel
Despite marked improvements in renal replacement therapy during the last 30 years, the age-adjusted mortality rate in end-stage renal disease (ESRD) patients is still unacceptably high and comparable to that of many malignancies. Cardiovascular disease (CVD) remains the major cause of morbidity and mortality in ESRD patients. However, traditional risk factors can only partially explain the high premature cardiovascular burden in this population. Nontraditional risk factors, including persistent low-grade inflammation, are critical in the pathogenesis of atherosclerosis, vascular calcification, and other causes of CVD and may also contribute to protein-energy wasting and other complications in chronic kidney disease (CKD) patients...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28892628/no-photon-wasted-an-efficient-and-selective-singlet-oxygen-photosensitizing-protein
#4
Michael Westberg, Mikkel Bregnhøj, Michael Etzerodt, Peter R Ogilby
Optogenetics has been, and will continue to be, a boon to mechanistic studies of cellular processes. Genetically-encodable proteins that sensitize the production of Reactive Oxygen Species (ROS) are expected to play an increasingly important role, particularly in elucidating mechanisms of temporally- and spatially-dependent cell signaling. However, a substantial challenge in developing such photosensitizing proteins has been to funnel the optical excitation energy into the initial selective production of only one ROS...
September 11, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28885630/from-direct-to-indirect-lithium-targets-a-comprehensive-review-of-omics-data
#5
REVIEW
Magali Roux, Anthony Dosseto
Metal ions are critical to a wide range of biological processes. Among them, lithium (Li) has been recognised for its benefit as a treatment for bipolar disorder (BD). However, we are yet to grasp the extent of its role in biological processes, despite its molecular targets having been extensively studied. Here we review a wide range of transcriptomic, proteomic and metabolomic studies in order to obtain a full picture of Li effects at various levels. Multifarious patterns of Li-regulated genes, proteins and metabolites are identified...
September 8, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28884267/diet-and-enteral-nutrition-in-patients-with-chronic-kidney-disease-not-on-dialysis-a-review-focusing-on-fat-fiber-and-protein-intake
#6
REVIEW
Alice Sabatino, Giuseppe Regolisti, Ilaria Gandolfini, Marco Delsante, Filippo Fani, Maria Cristina Gregorini, Enrico Fiaccadori
The clinical data available on dietary requirements of patients with chronic kidney disease (CKD) not on dialysis are limited and largely inconclusive in terms of the renal, cardiovascular and nutritional outcomes achievable through dietary modifications. Restriction of protein intake during the early stages of CKD may in fact slow its progression, but at the same time this approach may also lead to protein-energy wasting, if energy intake is not adequate and properly monitored. Unfortunately, compliance to dietary recommendations is traditionally low in this patient population...
September 7, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28873735/physical-properties-and-ftir-analysis-of-rice-oat-flour-and-maize-oat-flour-based-extruded-food-products-containing-olive-pomace
#7
DanYang Ying, Mya Myintzu Hlaing, Julie Lerisson, Keith Pitts, Lijiang Cheng, Luz Sanguansri, Mary Ann Augustin
Olive pomace, a waste stream from olive oil processing, was fractionated by centrifugation to obtain a supernatant and a flesh-enriched fraction, and freeze dried to obtain a powder. The dried supernatant contained 5.8% moisture, 4.8% protein, 3.5% fat, 3.5% ash, 82.4% carbohydrate (including 17.2% dietary fiber) and polyphenols (2970mg gallic acid equivalents (GAE)/100g). The dried flesh-enriched fraction, contained 5.9% moisture, 13.4% protein, 14.2% fat, 3.5% ash, 63.1% carbohydrate (including 42.7% dietary fiber) and polyphenols (1960mg GAE/100g)...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28842806/material-utilization-of-organic-residues
#8
REVIEW
Jan Christoph Peinemann, Daniel Pleissner
Each year, 1.3 billion tons of food waste is generated globally. This waste traces back to industrial and agricultural producers, bakeries, restaurants, and households. Furthermore, lignocellulosic materials, including grass clippings, leaves, bushes, shrubs, and woods, appear in large amounts. Depending on the region, organic waste is either composted, burned directly, or converted into biogas. All of the options set aside the fact that organic residues are valuable resources containing carbohydrates, lipids, proteins, and phosphorus...
August 25, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28840197/associations-of-protein-energy-wasting-syndrome-criteria-with-body-composition-and-mortality-in-the-general-and-moderate-chronic-kidney-disease-populations-in-the-united-states
#9
Srinivasan Beddhu, Xiaorui Chen, Guo Wei, Dominic Raj, Kalani L Raphael, Robert Boucher, Michel B Chonchol, Maureen A Murtaugh, Tom Greene
INTRODUCTION: It is unknown whether the criteria used to define Protein-energy wasting (PEW) syndrome in dialysis patients reflect protein or energy wasting in the general and moderate CKD populations. METHODS: In 11,834 participants in the 1999-2004 National Health and Nutrition Examination Survey, individual PEW syndrome criteria and the number of PEW syndrome categories were related to lean body and fat masses (measured by dual-energy absorptiometry) using linear regression in the entire cohort and CKD sub-population...
May 2017: KI Reports
https://www.readbyqxmd.com/read/28832372/nutrient-modulation-in-the-management-of-disease-induced-muscle-wasting-evidence-from-human-studies
#10
Matthew S Brook, Daniel J Wilkinson, Philip J Atherton
PURPOSE OF REVIEW: In addition to being essential for movement, skeletal muscles act as both a store and source of key macronutrients. As such, muscle is an important tissue for whole body homeostasis, undergoing muscle wasting in times of starvation, disease, and stress, for example, to provide energy substrates for other tissues. Yet, muscle wasting is also associated with disability, comorbidities, and mortality. As nutrition is so crucial to maintaining muscle homeostasis 'in health', it has been postulated that muscle wasting in cachexia syndromes may be alleviated by nutritional interventions...
August 19, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28804120/mitochondrial-energetics-in-the-kidney
#11
REVIEW
Pallavi Bhargava, Rick G Schnellmann
The kidney requires a large number of mitochondria to remove waste from the blood and regulate fluid and electrolyte balance. Mitochondria provide the energy to drive these important functions and can adapt to different metabolic conditions through a number of signalling pathways (for example, mechanistic target of rapamycin (mTOR) and AMP-activated protein kinase (AMPK) pathways) that activate the transcriptional co-activator peroxisome proliferator-activated receptor-γ co-activator 1α (PGC1α), and by balancing mitochondrial dynamics and energetics to maintain mitochondrial homeostasis...
August 14, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28802091/a-cyclic-and-intermittent-very-low-protein-diet-can-have-beneficial-effects-against-advanced-diabetic-nephropathy-in-wistar-fatty-fa-fa-rats-an-animal-model-of-type-2-diabetes-and-obesity
#12
Munehiro Kitada, Yoshio Ogura, Taeko Suzuki, Itaru Monnno, Keizo Kanasaki, Ai Watanabe, Daisuke Koya
A low-protein diet (LPD), particularly, very low-protein diet (VLPD) is expected for reno-protection in advanced chronic kidney disease, including diabetic nephropathy. We previously also demonstrated that a VLPD clearly improved advanced diabetic nephropathy in a type 2 diabetes and obesity rat. However, clinically, an everyday long-term VLPD contributes to poor adherence, which may be related to controvertial results of an LPD on the suppression for diabetic nephropathy, and has nutritional issues, such as sarcopenia or protein-energy wasting...
August 12, 2017: Nephrology
https://www.readbyqxmd.com/read/28767700/environmental-impacts-of-food-consumption-by-dogs-and-cats
#13
Gregory S Okin
In the US, there are more than 163 million dogs and cats that consume, as a significant portion of their diet, animal products and therefore potentially constitute a considerable dietary footprint. Here, the energy and animal-derived product consumption of these pets in the US is evaluated for the first time, as are the environmental impacts from the animal products fed to them, including feces production. In the US, dogs and cats consume about 19% ± 2% of the amount of dietary energy that humans do (203 ± 15 PJ yr-1 vs...
2017: PloS One
https://www.readbyqxmd.com/read/28760431/predicting-clinical-outcomes-using-phase-angle-as-assessed-by-bioelectrical-impedance-analysis-in-maintenance-hemodialysis-patients
#14
Jung-Ho Shin, Chae Rim Kim, Ki Hyun Park, Jin Ho Hwang, Su Hyun Kim
OBJECTIVE: Protein-energy wasting is common in patients on hemodialysis and is an independent risk factor for adverse events. The aim of this study was to retrospectively investigate whether phase angle (PA), known as a nutritional marker, can predict various clinical outcomes in patients with end-stage renal disease (ESRD) who are receiving hemodialysis. METHODS: Using bioelectrical impedance analysis (BIA), PA was obtained every 6 mo, and patients were divided into two groups according to baseline PA: group A included patients with PA ≥4...
September 2017: Nutrition
https://www.readbyqxmd.com/read/28760111/differences-in-prevalence-of-muscle-wasting-in-patients-receiving-peritoneal-dialysis-per-dual-energy-x-ray-absorptiometry-due-to-variation-in-guideline-definitions-of-sarcopenia
#15
Rachel Hung, Bethany Wong, Gabrielle Goldet, Andrew Davenport
BACKGROUND: Muscle wasting is associated with increased risk for mortality. There is no agreed universal definition for muscle wasting (sarcopenia), and we wished to determine whether using different criteria altered the prevalence in patients treated by peritoneal dialysis. METHODS: We measured lean body and appendicular lean mass indices in 325 outpatients by dual-energy x-ray absorptiometry, comparing muscle mass with that used to define muscle wasting (sarcopenia) by various clinical guideline publications...
August 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28758978/dietary-approaches-in-the-management-of-diabetic-patients-with-kidney-disease
#16
REVIEW
Gang Jee Ko, Kamyar Kalantar-Zadeh, Jordi Goldstein-Fuchs, Connie M Rhee
Chronic kidney disease (CKD) is one of the most prevalent complications of diabetes, and patients with diabetic kidney disease (DKD) have a substantially higher risk of cardiovascular disease and death compared to their non-diabetic CKD counterparts. In addition to pharmacologic management strategies, nutritional and dietary interventions in DKD are an essential aspect of management with the potential for ameliorating kidney function decline and preventing the development of other end-organ complications. Among DKD patients with non-dialysis dependent CKD, expert panels recommend lower dietary protein intake of 0...
July 31, 2017: Nutrients
https://www.readbyqxmd.com/read/28755901/protein-energy-wasting-syndrome-in-advanced-chronic-kidney-disease-prevalence-and-specific-clinical-characteristics
#17
Almudena Pérez-Torres, M Elena González Garcia, Belén San José-Valiente, M Auxiliadora Bajo Rubio, Olga Celadilla Diez, Ana M López-Sobaler, Rafael Selgas
INTRODUCTION: Protein-energy wasting (PEW) is associated with increased mortality and differs depending on the chronic kidney disease (CKD) stage and the dialysis technique. The prevalence in non-dialysis patients is understudied and ranges from 0 to 40.8%. OBJECTIVE: To evaluate the nutritional status of a group of Spanish advanced CKD patients by PEW criteria and subjective global assessment (SGA). PATIENTS AND METHODS: Cross-sectional study of 186 patients (101 men) with a mean age of 66...
July 26, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28750066/cross-modulation-of-pathogen-specific-pathways-enhances-malnutrition-during-enteric-co-infection-with-giardia-lamblia-and-enteroaggregative-escherichia-coli
#18
Luther A Bartelt, David T Bolick, Jordi Mayneris-Perxachs, Glynis L Kolling, Gregory L Medlock, Edna I Zaenker, Jeffery Donowitz, Rose Viguna Thomas-Beckett, Allison Rogala, Ian M Carroll, Steven M Singer, Jason Papin, Jonathan R Swann, Richard L Guerrant
Diverse enteropathogen exposures associate with childhood malnutrition. To elucidate mechanistic pathways whereby enteric microbes interact during malnutrition, we used protein deficiency in mice to develop a new model of co-enteropathogen enteropathy. Focusing on common enteropathogens in malnourished children, Giardia lamblia and enteroaggregative Escherichia coli (EAEC), we provide new insights into intersecting pathogen-specific mechanisms that enhance malnutrition. We show for the first time that during protein malnutrition, the intestinal microbiota permits persistent Giardia colonization and simultaneously contributes to growth impairment...
July 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28731598/comparison-of-malnutrition-inflammation-score-anthropometry-and-biochemical-parameters-in-assessing-the-difference-in-protein-energy-wasting-between-normal-weight-and-obese-patients-undergoing-haemodialysis
#19
Elham Alipoor, Mohammad Javad Hosseinzadeh-Attar, Mitra Mahdavi-Mazdeh, Mehdi Yaseri, Narges S Zahed
AIM: Protein-energy wasting (PEW) is prevalent in haemodialysis. Obesity is an independent risk factor of kidney insufficiency, but it is proposed to have beneficial roles in better outcomes in the final stage of disease. Better nutritional status and body reserves are among probable mechanisms, but direct examinations are limited. The present study aimed to investigate whether obese patients have preferable nutritional status compared to normal weight patients based on malnutrition inflammation score (MIS) and other PEW parameters in haemodialysis...
July 2017: Nutrition & Dietetics: the Journal of the Dietitians Association of Australia
https://www.readbyqxmd.com/read/28703894/comparison-of-resting-energy-equations-and-total-energy-expenditure-in-haemodialysis-patients-and-body-composition-measured-by-multi-frequency-bioimpedance
#20
Ben Oliveira, Sivakumar Sridharan, Ken Farrington, Andrew Davenport
BACKGROUND: Waste products of metabolism are retained in haemodialysis (HD) patients. Cellular metabolism generates energy, and patients with greater energy expenditure may therefore require more dialysis. To determine the amount of dialysis required, equations estimating resting and total energy expenditure (REE,TEE) are required. METHODS: We compared estimates of REE in HD patients using established equations with a novel equation recently validated in HD patients (HD equation)...
July 13, 2017: Nephrology
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