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https://www.readbyqxmd.com/read/28087354/effect-of-piroxicam-on-lipid-membranes-drug-encapsulation-and-gastric-toxicity-aspects
#1
Natalia Wilkosz, Sami Rissanen, Małgorzata Cyza, Renata Szybka, Maria Nowakowska, Alex Bunker, Tomasz Róg, Mariusz Kepczynski
Uptake of piroxicam, a non-steroidal anti-inflammatory drug, from the intestines after oral intake is limited due to its low solubility and its wide use is associated with several side effects related to the gastrointestinal tract. In this study, all-atom molecular dynamics (MD) simulations and fluorescent spectroscopy were employed to investigate the interaction of piroxicam in neutral, zwitterionic, and cationic forms with lipid bilayers composed of phosphatidylcholine, cholesterol, and PEGylated lipids. Our study was aimed to assess the potential for encapsulation of piroxicam in liposomal carriers and to shed more light on the process of gastrointestinal tract injury by the drug...
January 10, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28087280/increased-homocysteine-levels-impair-reference-memory-and-reduce-cortical-levels-of-acetylcholine-in-a-mouse-model-of-vascular-cognitive-impairment
#2
Kevin Dam, Martina Füchtemeier, Tracy D Farr, Philipp Boehm-Sturm, Marco Foddis, Ulrich Dirnagl, Olga Malysheva, Marie A Caudill, Nafisa M Jadavji
Folates are B-vitamins that are vital for normal brain function. Deficiencies in folates either genetic (methylenetetrahydrofolate reductase, MTHFR) or dietary intake of folic acid result in elevated levels of homocysteine. Clinical studies have shown that elevated levels of homocysteine (Hcy) may be associated with the development of dementia, however this link remains unclear. The purpose of this study was to evaluate the impact of increased Hcy levels on a mouse model of vascular cognitive impairment (VCI) produced by chronic hypoperfusion...
January 11, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28081152/increased-serum-sodium-and-serum-osmolarity-are-independent-risk-factors-for-developing-chronic-kidney-disease-5-year-cohort-study
#3
Masanari Kuwabara, Ichiro Hisatome, Carlos A Roncal-Jimenez, Koichiro Niwa, Ana Andres-Hernando, Thomas Jensen, Petter Bjornstad, Tamara Milagres, Christina Cicerchi, Zhilin Song, Gabriela Garcia, Laura G Sánchez-Lozada, Minoru Ohno, Miguel A Lanaspa, Richard J Johnson
BACKGROUND: Epidemics of chronic kidney disease (CKD) not due to diabetes mellitus (DM) or hypertension have been observed among individuals working in hot environments in several areas of the world. Experimental models have documented that recurrent heat stress and water restriction can lead to CKD, and the mechanism may be mediated by hyperosmolarity that activates pathways (vasopressin, aldose reductase-fructokinase) that induce renal injury. Here we tested the hypothesis that elevated serum sodium, which reflects serum osmolality, may be an independent risk factor for the development of CKD...
2017: PloS One
https://www.readbyqxmd.com/read/28079705/prescribed-drinking-leads-to-better-cycling-performance-than-ad-libitum-drinking
#4
Costas N Bardis, Stavros A Kavouras, J D Adams, Nickos D Geladas, Demosthenis B Panagiotakos, Labros S Sidossis
: Drinking ad libitum during exercise often leads to dehydration ranging from -1 to -3% of body weight. PURPOSE: To study the effect of a prescribed hydration protocol matching fluid losses on a simulated 30-km criterium-like cycling performance in the heat (31.6±0.5 °C). METHOD: Ten elite, heat-acclimatized, male endurance cyclists (30±5 y, 76.5±7.2 kg, 1.81±0.07 m, VO2peak: 61.3±5.2 ml[BULLET OPERATOR]min[BULLET OPERATOR]kg, body fat: 10...
January 10, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28078918/dietary-practices-of-children-and-adolescents-with-down-syndrome
#5
Marina Lummertz Magenis, Alessandra Gonçalves Machado, Angela Martinha Bongiolo, Marco Antonio da Silva, Kamila Castro, Ingrid Dalira Schweigert Perry
The aim of this study was to assess dietary intake, breastfeeding history, weight at birth and current weight in children and adolescents with Down syndrome (DS). Therefore, a cross-sectional, controlled study with 19 DS participants and 19 controls without DS matched by gender and age was performed. Except for vitamin D, a lower or the same frequency of insufficient intake in other micronutrients was noted in participants compared with controls. The DS group had a reduced exclusive breastfeeding duration and increased carbohydrate and caloric intake...
January 1, 2017: Journal of Intellectual Disabilities: JOID
https://www.readbyqxmd.com/read/28077287/iron-oxide-nanoparticles-modulate-heat-shock-proteins-and-organ-specific-markers-expression-in-mice-male-accessory-organs
#6
Kiruthika Sundarraj, Azhwar Raghunath, Lakshmikanthan Panneerselvam, Ekambaram Perumal
With increased industrial utilization of iron oxide nanoparticles (Fe2O3-NPs), concerns on adverse reproductive health effects following exposure have been immensely raised. In the present study, the effects of Fe2O3-NPs exposure in the seminal vesicle and prostate gland were studied in mice. Mice were exposed to two different doses (25 and 50 mg/kg) of Fe2O3-NPs along with the control and analyzed the expressions of heat shock proteins (HSP60, HSP70 and HSP90) and organ specific markers (Caltrin, PSP94, and SSLP1)...
January 7, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28077194/the-response-of-weaned-piglets-to-dietary-valine-and-leucine
#7
F Meyer, C Jansen van Rensburg, R M Gous
Valine (Val) is considered to be the fifth-limiting amino acid in a maize-soyabean meal diet for pigs. Excess leucine (Leu) levels often occur in commercial diets, which may attenuate the effect of Val deficiency because of an increased oxidation of Val. The objective of the present experiment was to determine the effect of increasing concentrations of Leu on the response of young piglets to dietary Val. In all, 75 Large White×Landrace entire male pigs, 44 days of age and with a mean starting weight of 13...
January 12, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28074892/are-sleep-duration-midpoint-of-sleep-and-sleep-quality-associated-with-dietary-intake-among-bavarian-adults
#8
C Kleiser, N Wawro, M Stelmach-Mardas, H Boeing, K Gedrich, H Himmerich, J Linseisen
BACKGROUND/OBJECTIVES: Only few epidemiologic studies examined sleep characteristics in relation to dietary behaviour. Our aim was to analyse associations of sleep duration, midpoint of sleep and sleep quality with dietary intake among the Bavarian population. SUBJECTS/METHODS: Within the cross-sectional Bavarian Food Consumption Survey II, 1050 subjects aged 13-81 years were recruited. Dietary intake was assessed with three 24-h dietary recalls by telephone (EPIC-Soft)...
January 11, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28073813/association-between-the-healthy-eating-index-2010-and-nutrient-and-energy-densities-of-german-households-food-purchases
#9
Jonas Peltner, Silke Thiele
BACKGROUND: The USDA Healthy Eating Index (HEI) is used widely to measure diet quality because it allows a number of different applications. Although several evaluations of the HEI-2010 have already been carried out, there is lack of those which focus on associations between the HEI and nutrient intakes. This study updates and expands upon previous findings on these associations. METHODS: Using German consumption data, where ∼12 million purchases from 13 131 households are recorded, HEI-2010 total and individual scores, as well as several energy and nutrient densities were calculated...
January 9, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28072656/isosorbide-induced-decompression-effect-on-the-scala-media-participation-of-plasma-osmolality-and-plasma-arginine-vasopressin
#10
Taizo Takeda, Setsuko Takeda, Natsumi Uehara, Shungaku Yanagisawa, Tatsuya Furukawa, Ken-Ichi Nibu, Akinobu Kakigi
OBJECTIVE: The correlation between the isosorbide-induced decompression effect on the endolymphatic space and plasma osmolality (p-OSM) or plasma arginine vasopressin (p-AVP) was investigated on comparing two different dosages of isosorbide (2.8 and 1.4 g/kg) to elucidate why the decompression effect is delayed with a large dose of isosorbide. MATERIALS AND METHODS: Two experiments were performed using 80 guinea pigs. Experiment 1 was designed to morphologically investigate the sequential influence of the oral intake of 1...
January 9, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28070319/development-of-a-nutrient-dense-complementary-food-using-amaranth-sorghum-grains
#11
Judith Kanensi Okoth, Sophie Atieno Ochola, Nicholas K Gikonyo, Anselimo Makokha
Thin porridge from cereals and starchy tubers is a common complementary food in Sub Saharan Africa. It may be high in antinutrients, low in energy, and nutrient density hence inadequate in providing infants' high energy and nutrients requirements per unit body weight. Consequently, undernourishment levels among children under 5 years are high. Therefore, there is need to avail nutrient-dense complementary foods especially for children in low-resource settings. The study was aimed at developing a nutrient-dense complementary food from amaranth and sorghum grains...
January 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28070288/getting-to-the-core-internal-body-temperatures-help-reveal-the-ecological-function-and-thermal-implications-of-the-lions-mane
#12
Paul Trethowan, Andrea Fuller, Anna Haw, Tom Hart, Andrew Markham, Andrew Loveridge, Robyn Hetem, Byron du Preez, David W Macdonald
It has been proposed that there is a thermal cost of the mane to male lions, potentially leading to increased body surface temperatures (Ts), increased sperm abnormalities, and to lower food intake during hot summer months. To test whether a mane imposes thermal costs on males, we measured core body temperature (Tb) continuously for approximately 1 year in 18 free-living lions. There was no difference in the 24-hr maximum Tb of males (n = 12) and females (n = 6), and males had a 24-hr mean Tb that was 0...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28069102/the-effect-of-cp-concentration-in-the-diet-on-urea-kinetics-and-microbial-usage-of-recycled-urea-in-cattle-a-meta-analysis
#13
E D Batista, E Detmann, S C Valadares Filho, E C Titgemeyer, R F D Valadares
In ruminants, urea recycling is considered an evolutionary advantage. The amount of urea recycled mainly depends of the nitrogen (N) intake and the amount of organic matter (OM) digested in the rumen. Because recycled N contributes to meeting microbial N requirements, accurate estimates of urea recycling can improve the understanding of efficiency of N utilization and N losses to the environment. The objective of this study was to evaluate urea kinetics and microbial usage of recycled urea N in ruminants using a meta-analytical approach...
January 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28067117/furan-in-commercial-baby-foods-from-the-spanish-market-estimation-of-daily-intake-and-risk-assessment
#14
M S Altaki, F J Santos, L Puignou, M T Galceran
The occurrence of furan in commercial baby food samples from the Spanish market was evaluated using an automated headspace solid-phase microextraction method coupled to gas chromatography-mass spectrometry (HS-SPME-GC-MS). A total of seventy six baby food samples including infant formula, baby cereals, fruit in cans and/or jars, vegetables, meat, and fish, were surveyed for furan content. The lowest concentration of this compound was found in infant formula (<0.02 - 0.33 ng mL(-1)), and cereal-based food (0...
January 9, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28066939/the-nutrition-of-poultry-as-a-factor-affecting-litter-quality-and-foot-pad-dermatitis-an-updated-review
#15
REVIEW
S Swiatkiewicz, A Arczewska-Wlosek, D Jozefiak
Foot pad dermatitis (FPD), a condition of inflammation and necrotic lesions on the plantar surface of the footpads, is commonly observed in fast-growing broiler chickens and turkeys. FPD negatively affects the welfare of birds, performance indices and the economic profit of poultry meat production. Nutrition is an important factor affecting water intake, excreta moisture and litter quality and, in this way, the occurrence and intensity of FPD in birds. This article reviews and discusses the recent results published in the literature on the effects of nutritional factors on litter quality and FPD severity in broiler chickens and turkeys...
January 8, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28065611/-diet-and-lifestyle-rules-in-chronic-constipation-in-adults-from-fantasy-to-reality%C3%A2
#16
Nadia Fathallah, Dominique Bouchard, Vincent de Parades
Chronic constipation is one of the most common chronic gastrointestinal complaints and a frequent reason for consultation. Lifestyle modification and dietary advice attract a lot of patients, often dissatisfied with a long-term drug intake. These behavioral modifications are recommended as a first-line approach in the treatment of chronic mild constipation in the majority of current guidelines despite a low level of evidence. Fiber supplementation is probably the most relevant measure because of a satisfactory level of proof...
January 5, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28062505/cross-sectional-positive-association-of-serum-lipids-and-blood-pressure-with-serum-sodium-within-the-normal-reference-range-of-135-145-mmol-l
#17
Shouguo Gao, Xiangqin Cui, Xujing Wang, Maurice B Burg, Natalia I Dmitrieva
OBJECTIVE: Serum sodium concentration is maintained by osmoregulation within normal range of 135 to 145 mmol/L. Previous analysis of data from the ARIC study (Atherosclerosis Risk in Communities) showed association of serum sodium with the 10-year risk scores of coronary heart disease and stroke. Current study evaluated the association of within-normal-range serum sodium with cardiovascular risk factors. APPROACH AND RESULTS: Only participants who did not take cholesterol or blood pressure medications and had sodium within normal 135 to 145 mmol/L range were included (n=8615), and the cohort was stratified based on race, sex, and smoking status...
December 29, 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28058612/isolation-characterization-and-growth-of-locally-isolated-hydrocarbonoclastic-marine-bacteria-eastern-algerian-coast
#18
N Feknous, Z Branes, K Rouabhia, I Batisson, C Amblard
The Algerian coastline is being exposed to several types of pollution, including that of hydrocarbons. This environment rich in oil could be the source of proliferation of hydrocarbonoclastic bacteria. The objective of the study is to isolate and identify indigenous bacterial strains from marine waters of two ports in the eastern Algerian coast and to test their growth in the presence of hydrocarbons with and without biostimulation throughout the intake of nitrogen and phosphate. Results recorded the highest level of both total hydrocarbons and phosphates in the port of Annaba, followed by El-Kala station and then the control station, while that of total nitrogen was vice versa...
January 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28057167/moderate-dose-regular-lifelong-alcohol-intake-changes-the-intestinal-flora-protects-against-aging-and-keeps-spatial-memory-in-the-senescence-accelerated-mouse-prone-8-samp8-model
#19
Chikako Shimizu, Yasuhiro Oki, Yutaka Mitani, Youichi Tsuchiya, Toshitaka Nabeshima
PURPOSE: Heavy and long-term alcohol consumption increase the risk of alcohol-related diseases. Epidemiological studies show moderate drinking reduces the risk of mortality, cardiovascular diseases, and brain infarction in the J-shaped or U-shaped curve effect. However, why moderate drinkers may be healthy and non-drinkers may be ill in diverse populations remains controversial. Herein, we examined the relationship between moderate/lifelong alcohol intake and aging, especially aging-related cognitive functions in senescence-accelerated mouse prone 8 (SAMP8) model...
October 2016: Journal of Pharmacy & Pharmaceutical Sciences: a Publication of the Canadian Society for Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28057147/-tea-coffee-intakes-and-risk-of-oral-squamous-cell-carcinoma-a-case-control-study
#20
L J Yan, F Chen, D M Liu, J F Huang, F P Liu, J F Wu, F Q Liu, J Z Ye, Y Qiu, L S Lin, B C He
Objective: To evaluate the effects of tea and coffee intakes on oral squamous cell carcinoma (OSCC) stratified by milk intake. Methods: A case-control study involving 593 OSCC patients confirmed by pathological diagnoses and 1 128 gender-age frequency matched controls was conducted in Fujian province during September 2010-March 2016. Unconditional logistic regression was used to calculate adjusted odds ratios (aORs) and corresponding 95% confidence intervals (CIs) to assess the effects of coffee, tea intakes and related variables on OSCC...
November 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
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