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Dietary protein

Mengjing Wang, Jason Chou, Yongen Chang, Wei L Lau, Uttam Reddy, Connie M Rhee, Jing Chen, Chuanming Hao, Kamyar Kalantar-Zadeh
In the management of patients with chronic kidney diseases (CKD), a low-protein diet usually refers to a diet with protein intake of 0.6 to 0.8 grams per kilogram of body weight per day (g/kg/day) and should include at least 50% high-biologic-value protein. It may be supplemented with essential acids or nitrogen- free ketoanalogues if <0.6 g/kg/d. Low-protein diet can reduce proteinuria especially in non-diabetic CKD patients. In hypoalbuminemic patients it may lead to an increase in serum albumin level...
October 19, 2016: Panminerva Medica
Tomonori Sato, Yoshiaki Ito, Takashi Nagasawa
Sarcopenia is a condition of the loss of muscle mass that is associated with aging and that increases the risk for bedridden state, thereby warranting studies of interventions that attenuate sarcopenia. Here the effects of 2-month dietary L-lysine (Lys) supplementation (1.5-3.0 %) on myofibrillar protein degradation and major proteolytic systems were investigated in senescence-accelerated mouse prone 8 (SAMP8). At 36 weeks of age, skeletal muscle and lean body mass was reduced in SAMP8 when compared with control senescence-accelerated mouse resistant 1 (SAMR1)...
October 17, 2016: Biogerontology
Bagher Larijani, Arash Hossein-Nezhad, Elham Feizabad, Zhila Maghbooli, Hossein Adibi, Majid Ramezani, Eghbal Taheri
BACKGROUND: This cross-sectional population-based study was conducted to elucidate the prevalence of vitamin D deficiency, bone turnover marker's variation and its influencing factors among adolescents of Tehran. METHODS: Totally 444 middle and high school (53.6 % in high school) students (both girls and boys) were recruited. A short food frequency questionnaire designed to estimate dietary calcium and vitamin D consumption. Serum levels of calcium, phosphorus, parathyroid hormone (PTH), bone specific alkaline phosphates, 25 (OH) vitamin D, osteocalcin, cross-linked C-telopeptide (CTX), total protein, albumin and creatinine were determined...
2016: Journal of Diabetes and Metabolic Disorders
Sanna Nybacka, Heléne Bertéus Forslund, Elisabet Wirfält, Ingrid Larsson, Ulrika Ericson, Eva Warensjö Lemming, Göran Bergström, Bo Hedblad, Anna Winkvist, Anna Karin Lindroos
Two web-based dietary assessment tools have been developed for use in large-scale studies: the Riksmaten method (4-d food record) and MiniMeal-Q (food-frequency method). The aim of the present study was to examine the ability of these methods to capture energy intake against objectively measured total energy expenditure (TEE) with the doubly labelled water technique (TEEDLW), and to compare reported energy and macronutrient intake. This study was conducted within the pilot study of the Swedish CArdioPulmonary bioImage Study (SCAPIS), which included 1111 randomly selected men and women aged 50-64 years from the Gothenburg general population...
2016: Journal of Nutritional Science
Sanna Nybacka, Heléne Bertéus Forslund, Maria Hedelin
A diet questionnaire (DQ) designed to assess habitual diet and phyto-oestrogen intake was developed. This study aimed to examine the validity of the DQ in men, with and without having prostate cancer. The DQ was validated against alkylresorcinol metabolites measured in urine as objective biomarkers of whole grain wheat and rye (WG) intake, and a 4-d estimated food record (FR) was used for relative comparison. Participants (n 61) completed both methods and provided spot urine samples. We found a statistically significant correlation between the DQ and FR for reported whole grain intake and isoflavonoids, as well as for intake of macronutrients, except protein...
2016: Journal of Nutritional Science
X M Chen, F Q Li, S Yan, X C Wu, C L Tang
OBJECTIVE: To investigate the anti-inflammation effects by activation of the cholinergic anti-inflammatory pathway and its mechanisms in non-alcoholic steatohepatitis (NASH) model mice. METHODS: 6-week-old male C57BL/6J (B6) mice were randomly divided into four groups: the first group was normal mice, injected with saline; the second group was normal mice, injected with nicotine; the third group was NASH model mice, injected with saline; the fourth group was NASH model mice, injected with nicotine...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Canan Ziylan, Annemien Haveman-Nies, Stefanie Kremer, Lisette C P G M de Groot
OBJECTIVES: Sufficient protein intake can decrease undernutrition risk among community-dwelling older adults. This study aimed to increase community-dwelling older adults' daily protein intake with acceptable and applicable protein-enriched bread and readymade meals at home. DESIGN: Double-blind randomized controlled trial of 2 weeks. SETTING: Senior residential center in the Netherlands. PARTICIPANTS: Forty-two community-dwelling elderly residents (≥65 years) participated, with a mean age of 74...
October 14, 2016: Journal of the American Medical Directors Association
S M Sinn, W R Gibbons, M L Brown, J M DeRouchey, C L Levesque
An experimental, microbially enhanced soybean product (MEPRO) was evaluated as a replacement for fishmeal (FM). Assessment of feedstuffs should include estimation of digestibility as well as pig performance and in combination with dietary additives. Digestibility values determined in growing pigs may not apply to nursery pigs; thus, standardized ileal digestibility (SID) of amino acids (AA) in MEPRO and FM were determined using 30±1.6 kg BW ileal-cannulated barrows (n=6) and 9.8±1.2 kg BW barrows (n=37; serial slaughter)...
October 18, 2016: Animal: An International Journal of Animal Bioscience
Aslaug Drotningsvik, Svein A Mjøs, Daniela M Pampanin, Rasa Slizyte, Ana Carvajal, Tore Remman, Ingmar Høgøy, Oddrun A Gudbrandsen
The world's fisheries and aquaculture industries produce vast amounts of protein-containing by-products that can be enzymatically hydrolysed to smaller peptides and possibly be used as additives to functional foods and nutraceuticals targeted for patients with obesity-related metabolic disorders. To investigate the effects of fish protein hydrolysates on markers of metabolic disorders, obese Zucker fa/fa rats consumed diets with 75 % of protein from casein/whey (CAS) and 25 % from herring (HER) or salmon (SAL) protein hydrolysate from rest raw material, or 100 % protein from CAS for 4 weeks...
October 18, 2016: British Journal of Nutrition
Mandy Ho, Anne-Louise M Heath, Megan Gow, Louise A Baur, Chris T Cowell, Samir Samman, Sarah P Garnett
BACKGROUND: Zinc has a critical role in metabolism and growth. This study aims to determine the effects of low-energy diets differing in macronutrient composition on zinc intake, estimated zinc bioavailability (phytate:zinc molar ratio) and plasma zinc concentration and associations between zinc status and cardiometabolic markers in obese adolescents with clinical insulin resistance (IR). METHODS: Eighty-seven obese adolescents (10-17 years, body mass index z-score 2...
October 18, 2016: Annals of Nutrition & Metabolism
Natalia A Stefanova, Natalia A Muraleva, Kseniya Yi Maksimova, Ekaterina A Rudnitskaya, Elena Kiseleva, Darya V Telegina, Nataliya G Kolosova
Mitochondrial aberrations are observed in human Alzheimer's disease (AD) and in medical conditions that increase the risk of this disorder, suggesting that mitochondrial dysfunction may contribute to pathophysiology of AD. Here, using OXYS rats that simulate key characteristics of sporadic AD, we set out to determine the role of mitochondria in the pathophysiology of this disorder. OXYS rats were treated with a mitochondria-targeted antioxidant SkQ1 from age 12 to 18 months, that is, during active progression of AD-like pathology in these animals...
October 6, 2016: Aging
Ligia J Dominguez, Mario Barbagallo
PURPOSE OF REVIEW: Physical and cognitive frailty are interrelated and synergistic syndromes more frequently seen in old age, which represent intermediate stages between aging successfully and disability. Poor nutrition is a fundamental determinant for both conditions, while various dietary components are proposed to prevent and/or improve them. This updated review discusses the possible influence of nutritional factors on cognitive frailty and its potential mediators. RECENT FINDINGS: Oxidative stress, low-grade systemic inflammation, neuroinflammation, and altered autophagy, all associated with obesity, metabolic syndrome and insulin resistance, are proposed mechanisms to explain the influence of nutrition on cognitive health...
September 28, 2016: Current Opinion in Clinical Nutrition and Metabolic Care
Mads V Lind, Anni Larnkjær, Christian Mølgaard, Kim F Michaelsen
PURPOSE OF REVIEW: Obesity is an increasing problem and high-protein intake early in life seems to increase later risk of obesity. This review summarizes recent publications in the area including observational and intervention studies and publications on underlying mechanisms. RECENT FINDINGS: Recent observational and randomized controlled trials confirmed that high-protein intake in early life seems to increase early weight gain and the risk of later overweight and obesity...
October 1, 2016: Current Opinion in Clinical Nutrition and Metabolic Care
Yael Haberman, Ayelet Di Segni, Nurit Loberman-Nachum, Ortal Barel, Vered Kunik, Eran Eyal, Nitzan Kol, Goni Hout-Siloni, Brigitte Kochavi, Camila Avivi, Michael Schvimer, Gideon Rechavi, Yair Anikster, Iris Barshack, Batia Weiss
OBJECTIVES: Congenital chronic diarrhea (CCD) is a group of inherited enteropathies presenting in early life and requiring parenteral nutrition. In most cases, genetics may be the key for precise diagnosis. We present an infant girl with CCD that resolved after introduction of fructose-based formula but had no identified mutation in the SLC5A1 gene. Using whole exome sequencing (WES) we identified other mutations that better dictated dietary adjustments. METHODS: WES of the patient and her parents was performed...
October 4, 2016: Journal of Pediatric Gastroenterology and Nutrition
Enrique Jurado-Ruiz, Lourdes M Varela, Amparo Luque, Genoveva Berná, Gladys Cahuana, Enrique Martinez-Force, Rocío Gallego-Durán, Bernat Soria, Baukje de Roos, Manuel Romero Gómez, Franz Martín
SCOPE: We evaluated the protective effect of extra virgin olive oil (EVOO) in high-fat diets (HFDs) on the inflammatory response and liver damage in a non-alcoholic fatty liver disease (NAFLD) mouse model. METHODS AND RESULTS: C57BL/6J mice fed a standard diet or a lard-based HFD (HFD-L) for 12 weeks to develop NAFLD. HFD fed mice were then divided into four groups and fed for 24 weeks with: HFD-L; HFD-EVOO; HFD-OL (phenolics-rich EVOO) and R (reversion; standard diet)...
October 17, 2016: Molecular Nutrition & Food Research
Huei-Fen Jheng, Motohiko Hirotsuka, Tsuyoshi Goto, Masayuki Shibata, Yasuki Matsumura, Teruo Kawada
SCOPE: Diabetic nephropathy (DN) is a major cause of end-stage renal disease. Here, we examined the effect of long-term consumption of a low-fat soy milk powder (LFSMP) on the diabetic kidney structure and function. METHODS AND RESULTS: KKAy mice were fed a casein- LFSMP-or high-fat soy mixture powder (HFSMP)-based diet for 4 months. Plasma and urine were subjected to a biochemical assay every 2-4 weeks. Renal morphology and protein expression were evaluated by histochemical staining and western blots...
October 17, 2016: Molecular Nutrition & Food Research
J L Chen, P Zheng, C Zhang, B Yu, J He, J Yu, J Q Luo, X B Mao, Z Q Huang, D W Chen
This study was conducted to investigate the effects of benzoic acid (BA) on growth performance, intestinal development and intestinal barrier function in weaned pigs. Ninety weaned pigs were randomly assigned to one of three treatments: a basal diet (CON), the basal diet supplemented with 2000 mg/kg benzoic acid (BA1) and 5000 mg/kg benzoic acid (BA2). At the end of days 14 and 42, six pigs per treatment were randomly selected to collect plasma and intestinal samples. Results showed that BA supplementation not only improved final body weight, daily growth and feed conversion ratio from days 15 to 42 and days 1 to 42, but also decreased the activity of plasma diamine oxidase (day 42) and the pH values of jejunal contents (day 14) (p < 0...
October 16, 2016: Journal of Animal Physiology and Animal Nutrition
Ricardo J S Costa, Rhiannon Snipe, Vera Camões-Costa, Volker Scheer, Andrew Murray
BACKGROUND: Debilitating gastrointestinal symptoms (GIS) and dermatological injuries (DI) are common during and after endurance events and have been linked to performance decrements, event withdrawal, and issues requiring medical attention. The study aimed to determine whether GIS and DI affect food and fluid intake, and nutritional and hydration status, of ultramarathon runners during multi-stage (MSUM) and 24-h continuous (24 h) ultramarathons. METHODS: Ad libitum food and fluid intakes of ultramarathon runners (MSUM n = 54; 24 h n = 22) were recorded throughout both events and analysed by dietary analysis software...
December 2016: Sports Medicine—Open
Nayana Venugopal Yadav, Sadashivaiah, Breetha Ramaiyan, Pooja Acharya, Lokesh Belur, Ramaprasad Ravichandra Talahalli
Though present in small amounts, the minor constituents of dietary oils may supplement the dietary therapies for rheumatoid arthritis (RA). Hence, in the present study, we assessed the effect of minor constituents from sesame oil (SO) and rice bran oil (RBO) and their fatty acids on the severity of adjuvant-induced arthritis in experimental rats. Rats were gavaged with 1 mL of SO or RBO or groundnut oil (GNO, control) with or without its minor components for a period 15 days before and 15 days after the induction of arthritis...
October 17, 2016: Lipids
Hyun Kim, Flavia C D Andrade
The Dietary Approaches to Stop Hypertension (DASH) diet is a widely recommended diet for individuals with hypertension. Adherence to the DASH diet has been shown to be effective for controlling hypertension, but it is unclear whether a hypertension diagnosis has an impact on adherence to the diet and nutrient intake. This study examined the association between hypertension diagnosis and the DASH nutrient intake using the multivariate linear regression method. The sample was composed of individuals with hypertension in the National Health and Nutrition Examination Survey (NHANES) from 2007 to 2012...
December 2016: Preventive Medicine Reports
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