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https://www.readbyqxmd.com/read/28103777/role-of-iodine-in-metabolism
#1
Szybiński Zbigniew
The natural resources of iodine are seawater, seaweeds and saltpeter-nitrate deposits in Chile. Over 1/3 of the global population is exposed to iodine deficiency, especially in the mountains. Iodine is a component of the thyroid hormones and a strong antioxidant with electric potential of -0.54 V. Iodine as iodide is taken up by the thyroid gland, gastric mucosa, salivary glands and mammary glands in pregnant and breast-feeding women. The transport of iodine to the thyroid gland is regulated by specific enzymes: Natrium-Iodine Symporter, Na+/K+ATP-ase, Pendrin and Apical Iodine Transporter...
January 19, 2017: Recent Patents on Endocrine, Metabolic & Immune Drug Discovery
https://www.readbyqxmd.com/read/28103293/synergistic-interaction-of-light-alcohol-administration-in-the-presence-of-mild-iron-overload-in-a-mouse-model-of-liver-injury-involvement-of-triosephosphate-isomerase-nitration-and-inactivation
#2
Wanxia Gao, Jie Zhao, Zhonghong Gao, Hailing Li
It is well known that iron overload promotes alcoholic liver injury, but the doses of iron or alcohol used in studies are usually able to induce liver injury independently. Little attention has been paid to the coexistence of low alcohol consumption and mild iron overload when either of them is insufficient to cause obvious liver damage, although this situation is very common among some people. We studied the interactive effects and the underlining mechanism of mild doses of iron and alcohol on liver injury in a mouse model...
2017: PloS One
https://www.readbyqxmd.com/read/28102295/bioactive-compounds-and-antioxidant-activity-of-wolfberry-infusion
#3
Yujing Sun, Japaer Rukeya, Wenyang Tao, Peilong Sun, Xingqian Ye
An infusion of the wolfberry (Lycium barbarum L.) is a traditional Asian herbal tea. This is the most commonly consumed form of dried wolfberry worldwide, yet little scientific information on wolfberry infusions is available. We investigated the effects of making infusions with hot water on the color, the content of bioactive compounds (polysaccharides, polyphenols, flavonoids and carotenoids) and the antioxidant ability of wolfberry infusions. The contents of bioactive compounds and the antioxidant activity of a wolfberry infusion increased with increased infusion temperature and time...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28101461/acute-and-subchronic-toxicity-study-of-the-median-septum-of-juglans-regia-in-wistar-rats
#4
Asma Ravanbakhsh, Majid Mahdavi, Ghader Jalilzade-Amin, Shahram Javadi, Masoud Maham, Daryosh Mohammadnejad, Mohammad Reza Rashidi
Purpose: Median septum of Juglans regia L. (Juglandaceae) with anti-diabetic effects has been used in Iranian traditional medicine. The present study estimates both oral acute and subchronic toxicities. Methods: In the oral acute toxicity study, female Wistar rats were treated with doses of 10, 100, 1000, 1600, 2900 and 5000 mg/ kg of the Juglans regia septum of methanol extract (JRSME), and were monitored for 14 days. In subchronic study, JRSME was administered by gavage at dose of 1000 mg/kg daily in Wistar rats for 28 days...
December 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28101449/immunohistochemical-expression-of-intrarenal-renin-angiotensin-system-components-in-response-to-tempol-in-rats-fed-a-high-salt-diet
#5
Gabriel Cao, Silvana Lorena Della Penna, Nicolás Martín Kouyoumdzian, Marcelo Roberto Choi, Susana Gorzalczany, Belisario Enrique Fernández, Jorge Eduardo Toblli, María Inés Rosón
AIM: To determine the effect of tempol in normal rats fed high salt on arterial pressure and the balance between antagonist components of the renal renin-angiotensin system. METHODS: Sprague-Dawley rats were fed with 8% NaCl high-salt (HS) or 0.4% NaCl (normal-salt, NS) diet for 3 wk, with or without tempol (T) (1 mmol/L, administered in drinking water). Mean arterial pressure (MAP), glomerular filtration rate (GFR), and urinary sodium excretion (UVNa) were measured...
January 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28096139/potential-health-benefits-of-combining-yogurt-and-fruits-based-on-their-probiotic-and-prebiotic-properties
#6
REVIEW
Melissa Anne Fernandez, André Marette
Fruit and yogurt have been identified individually as indicators of healthy dietary patterns. Fruits are relatively low in energy density and are an excellent source of antioxidants and prebiotic fibers and polyphenols, which can promote digestive health. Yogurt, on the other hand, is a nutrient-dense food that is a good source of dairy protein, calcium, magnesium, vitamin B-12, conjugated linoleic acid, and other key fatty acids. In addition, it contains beneficial bacterial cultures, making it a potential source of probiotics...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28095842/cactus-opuntia-humifusa-water-extract-ameliorates-loperamide-induced-constipation-in-rats
#7
Sung Hee Han, Kyungmi Park, Eun Young Kim, So Hyun Ahn, Hyun-Sun Lee, Hyung Joo Suh
BACKGROUND: Korean cactus Cheonnyuncho (Opuntia humifusa) is rich in pectin, phenols, flavonoids, and minerals such as calcium and phosphorus. Some Koreans drink Cheonnyuncho juice prepared by grinding Cheonnyuncho with water. Cheonnyuncho is well known for its functional properties and antioxidant effects, but its effect on constipation has not been sufficiently studied. METHODS: Loperamide (2 mg/kg) was injected subcutaneously to induce constipation in rats. The animals were divided into four groups: a normal group (NOR), constipation control group (CON), and two constipation groups receiving the Cheonnyuncho extract (CE) at two different concentrations in drinking water, 3% (L-CE group) and 6% (H-CE group), for 25 days...
January 17, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28092746/supranutritional-selenium-intake-from-enriched-milk-casein-impairs-hepatic-insulin-sensitivity-via-attenuated-irs-pi3k-akt-signaling-and-decreased-pgc-1%C3%AE-expression-in-male-sprague-dawley-rats
#8
Priska Stahel, Julie J Kim, Scott R L Cieslar, Jenny M Warrington, Changting Xiao, John P Cant
Selenium (Se)-enriched milk provides antioxidant benefits and has therapeutic potential against cancer. However, both antidiabetic and prodiabetic effects have been attributed to Se. Our objective was to evaluate the effect of Se-enriched milk casein on insulin sensitivity in rats when given at the requirement of 0.25 ppm Se and supranutritionally on both low- and high-fat diets. Two hundred sixteen male Sprague-Dawley rats were fed low- or high-fat diets containing one, two or eight times the Se requirement in a randomized block design...
January 7, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28089781/genotoxic-effect-and-rat-hepatocyte-death-occurred-after-oxidative-stress-induction-and-antioxidant-gene-downregulation-caused-by-long-term-fluoride-exposure
#9
F D Campos-Pereira, L Lopes-Aguiar, F L Renosto, G A S Nogueira, E F D Costa, R Barbieri Pulz, E C M Silva-Zacarin, C A Oliveira, A A Pigoso, G D C Severi-Aguiar
Studies focusing on possible genotoxic effects of excess fluoride are contradictory and inconclusive. Currently, studies have reported a probable link to oxidative stress, DNA damage and apoptosis induced by fluoride in rat hepatocytes. We developed an in vivo study administering three doses of fluoride by gavage given to rats for 60 day. Micronucleus test was applied to investigate genotoxic potential of fluoride. The TUNEL method determined DNA fragmentation and apoptosis. Biochemical parameters to investigate mitochondrial swelling and oxidative stress...
January 12, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28077734/intake-of-up-to-3-eggs-per-day-is-associated-with-changes-in-hdl-function-and-increased-plasma-antioxidants-in-healthy-young-adults
#10
Diana M DiMarco, Gregory H Norris, Courtney L Millar, Christopher N Blesso, Maria Luz Fernandez
BACKGROUND: HDL function may be more important than HDL concentration in determining risk for cardiovascular disease. In addition, HDL is a carrier of carotenoids and antioxidant enzymes, which protect HDL and LDL particles against oxidation. OBJECTIVE: The goal of this study was to determine the impact of consuming 0-3 eggs/d on LDL and HDL particle size, HDL function, and plasma antioxidants in a young, healthy population. METHODS: Thirty-eight healthy men and women [age 18-30 y, body mass index (in kg/m(2)) 18...
January 11, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28074891/intake-of-vitamin-c-vitamin-e-selenium-zinc-and-polyunsaturated-fatty-acids-and-upper-respiratory-tract-infection-a-prospective-cohort-study
#11
S E Raposo, E Fondell, P Ström, O Bälter, S E Bonn, O Nyrén, A Plymoth, K Bälter
BACKGROUND/OBJECTIVES: Antioxidants and polyunsaturated fatty acids (PUFAs) have a role in the human immune defense and may affect the susceptibility to upper respiratory tract infection (URTI). To examine dietary intake of vitamin C, vitamin E, selenium, zinc and PUFAs in relation to URTI incidence in a prospective cohort study. SUBJECTS/METHODS: A total of 1533 Swedish women and men aged 25-64 years were followed for nine months during 2011-2012. Information on dietary intake was assessed through a web-based food frequency questionnaire, and events of URTI were self-reported prospectively as they occurred...
January 11, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28074456/therapeutic-efficacy-of-tadalafil-and-eriythropoietin-in-experimental-spinal-cord-injury
#12
Çağrı Kökoğlu, Emre Delen, Ali Arslantaş, Didem Arslantaş, Burcu Kökoğlu, Zühtü Özbek, Sema Uslu, Ahmet Tolgay Akıncı
BACKGROUND: This experimental study was an investigation of the efficacy of erythropoietin and tadalafil in rats with induced spinal cord injury (SCI). METHODS: Thirty-five Sprague Dawley rats were distributed into 5 groups. First group was used for normal biochemical values. Spinal cord injury was induced in 4 remaining groups with clip compression technique after laminectomy process to T10 vertebra. Second group was designated solvent group and received 1 cc physiological serum after injury...
November 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28071018/effect-of-roasting-degree-on-the-antioxidant-activity-of-different-arabica-coffee-quality-classes
#13
Božana Odžaković, Natalija Džinić, Zoran Kukrić, Slavica Grujić
BACKGROUND: Coffee is one of the most widely consumed beverages in the world, because of its unique sensory properties and physiological properties. Coffee beverages represent a significant source of antioxidants in the consumers' diet and contribute significantly to their daily intake. The aim of this research was to investigate the effect of different roasting degrees on the content of biologically active compounds and antioxidant activity in different quality classes of Arabica coffee...
October 2016: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/28070112/selenium-uptake-through-cystine-transporter-mediated-by-glutathione-conjugation
#14
Takao Tobe, Koji Ueda, Akira Aoki, Yoshinori Okamoto, Nakao Kojima, Hideto Jinno
Selenium (Se) is an essential trace element and is regarded as a protective agent against cancer. In particular, antioxidant effects of selenoenzymes contribute to cancer prevention. Se can also produce reactive oxygen species and, thereby, exert cancer-selective cytotoxicity. Selenodiglutathione (SDG) is a primary Se metabolite conjugated to two glutathione (GSH) moieties. SDG increases intracellular Se accumulation and is more toxic than selenous acid (H2SeO3), but the mechanisms for importing Se compounds into cells are not fully understood...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28066942/antioxidant-status-and-expression-of-inflammatory-genes-in-gut-and-liver-of-piglets-fed-different-dietary-methionine-concentrations
#15
J O Zeitz, S Kaltenböck, E Most, K Eder
This study investigated the hypothesis that dietary concentrations of methionine (Met), as a precursor of cysteine which is a constituent of glutathione (GSH), affect tissue antioxidant concentrations and the antioxidant defence system in pigs. Forty-five piglets (DanZucht × Pietrain) were allotted to three groups of similar mean body weight (11.0 ± 0.9 kg). The basal diet was composed of barley, wheat, corn starch, soybean oil, sucrose, cellulose and a mineral supplement with suboptimal concentrations of Met and was supplemented with dl-Met to reach 0...
January 8, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28066935/effects-of-corn-distillers-dried-grains-with-solubles-on-performance-oxidative-status-intestinal-immunity-and-meat-quality-of-chinese-yellow-broilers
#16
D Ruan, S Q Jiang, Y J Hu, F Y Ding, Q L Fan, F Chen, X J Lin, L Li, Y Wang
The study assessed the effects of different dietary levels of corn distillers dried grains with solubles (DDGS) on performance, oxidation status, intestinal immunity and meat quality in Chinese Yellow broilers aged from 1 to 63 days. Lingnan male hatchings (1440) were randomly assigned to six treatments, each consisting of six replicates of 40 birds. The basal diet (I) was a typical corn-soya bean ration while the experimental diets (II to VI) partially substituted corn DDGS for soya bean meal. The level of substitution in starter, grower and finisher diets was as follows: II, 2%, 4% then 6%; III, 4%, 8% then 12%; IV, 6%, 12% then 18%; V, 8%, 16% then 24%; VI, 10%, 20% then 30%...
January 8, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28066832/antioxidant-supplements-and-semen-parameters-an-evidence-based-review
#17
REVIEW
Sedigheh Ahmadi, Reihane Bashiri, Akram Ghadiri-Anari, Azadeh Nadjarzadeh
Many studies have focused on male infertility. There is limited evidence about the influence of nutrition on quality of semen. Approximately, 30-80% of infertility cases are caused by oxidative stress and decreased level of seminal total antioxidant capacity. This study was aimed to review the effects of oral antioxidant supplements on improving major semen parameters such as sperm concentration, motility, morphology, DNA damage, and fertility rate. Data were extracted from PubMed and Google scholar database by using the terms "antioxidant", "multivitamin", "carnitine", "CoQ10", "vitamin C", "vitamin E", "zinc", "folic acid", "N-acetyl cysteine" and "selenium" combined with "male infertility", "semen", and "sperm" to generate a set of relevant citations...
December 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28065878/coordination-between-antioxidant-defences-might-be-partially-modulated-by-magnesium-status
#18
Cristina Paula Monteiro, Catarina Nunes Matias, Manuel Bicho, Helena Santa-Clara, Maria José Laires
The aim of this study was to compare the redox balance in competitive adult swimmers against recreational practitioners, controlling for Mg intake. Fifteen, competitive swimmers and 16 recreational practitioners, all male and aged 18-25years, were recruited into the study. Oxidative and muscle damage markers, and antioxidant enzymes and non-enzymatic antioxidants were evaluated by photometry (except for thiobarbituric reactive substances (TBARS), which was assessed by fluorimetry). Controlling for the level of exercise, inverse correlations were observed for uric acid and glutathione reductase (GR) or susceptibility of red blood cells to peroxidation (RBCPx); plasma adrenaline oxidase activity (AdOx) and carotenoids; TBARS and GR or Vit E; and direct correlations were observed between AdOx and creatine kinase (CK) or TBARS; CK and superoxide dismutase activity; GR and RBCPx...
January 6, 2017: Magnesium Research: Official Organ of the International Society for the Development of Research on Magnesium
https://www.readbyqxmd.com/read/28063367/effects-of-high-fructose-intake-on-the-development-of-hypertension-in-the-spontaneously-hypertensive-rats-the-role-of-at1r-gp91-phox-signaling-in-the-rostral-ventrolateral-medulla
#19
Kay L H Wu, Chih-Wei Wu, You-Lin Tain, Yung-Mei Chao, Chun-Ying Hung, Pei-Chia Tsai, Wei-Sing Wang, Cheng-Dean Shih
Both genetic and dietary factors determine the development of hypertension. Whether dietary factor impacts the development of hereditary hypertension is unknown. Here, we evaluated the effect of daily high-fructose diet (HFD) on the development of hypertension in adolescent spontaneously hypertensive rats (SHR). Six-week-old SHR were randomly divided into two groups to receive HFD or normal diet (ND) for 3 weeks. The temporal profile of systolic blood pressure, alongside the sympathetic vasomotor activity, in the SHR-HFD showed significantly greater increases at 9-12 weeks of age compared with the age-matched SHR-ND group...
December 5, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28050798/effects-of-long-term-vitamin-d-supplementation-on-regression-and-metabolic-status-of-cervical-intraepithelial-neoplasia-a-randomized-double-blind-placebo-controlled-trial
#20
Zahra Vahedpoor, Mehri Jamilian, Fereshteh Bahmani, Esmat Aghadavod, Maryam Karamali, Maryam Kashanian, Zatollah Asemi
We are not aware of any study examining the effects of long term vitamin D administration on regression and metabolic status of patients with cervical intraepithelial neoplasia grade 1 (CIN1). This study was performed to evaluate the effects of long-term vitamin D administration on regression and metabolic status of patients with CIN1. This randomized, double-blind, placebo-controlled trial was performed among 58 women diagnosed with CIN1. CIN1 diagnosis was performed based on specific diagnostic procedures of biopsy, pathological diagnosis, and colposcopy...
January 3, 2017: Hormones & Cancer
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