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Cataract AND supplements

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https://www.readbyqxmd.com/read/28475111/riboflavin-responsive-mitochondrial-dysfunction-in-neurodegenerative-diseases
#1
REVIEW
Tamilarasan Udhayabanu, Andreea Manole, Mohan Rajeshwari, Perumal Varalakshmi, Henry Houlden, Balasubramaniem Ashokkumar
Mitochondria are the repository for various metabolites involved in diverse energy-generating processes, like the TCA cycle, oxidative phosphorylation, and metabolism of amino acids, fatty acids, and nucleotides, which rely significantly on flavoenzymes, such as oxidases, reductases, and dehydrogenases. Flavoenzymes are functionally dependent on biologically active flavin adenine dinucleotide (FAD) or flavin mononucleotide (FMN), which are derived from the dietary component riboflavin, a water soluble vitamin...
May 5, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28434885/early-performance-on-an-eye-surgery-simulator-predicts-subsequent-resident-surgical-performance
#2
Ramak Roohipoor, Mehdi Yaseri, Amir Teymourpour, Carolyn Kloek, John B Miller, John I Loewenstein
OBJECTIVE: To examine early performance on an eye surgery simulator and its relationship to subsequent live surgical performance in a single large residency program. DESIGN: Retrospective study. SETTING: Massachusetts Eye and Ear, Harvard Medical School, Department of Ophthalmology. METHODS: In a retrospective study, we compared performance of 30 first-year ophthalmology residents on an eye surgery simulator to their surgical skills as third-year residents...
April 20, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28425969/the-pharmacological-effects-of-lutein-and-zeaxanthin-on-visual-disorders-and-cognition-diseases
#3
REVIEW
Yu-Ping Jia, Lei Sun, He-Shui Yu, Li-Peng Liang, Wei Li, Hui Ding, Xin-Bo Song, Li-Juan Zhang
Lutein (L) and zeaxanthin (Z) are dietary carotenoids derived from dark green leafy vegetables, orange and yellow fruits that form the macular pigment of the human eyes. It was hypothesized that they protect against visual disorders and cognition diseases, such as age-related macular degeneration (AMD), age-related cataract (ARC), cognition diseases, ischemic/hypoxia induced retinopathy, light damage of the retina, retinitis pigmentosa, retinal detachment, uveitis and diabetic retinopathy. The mechanism by which they are involved in the prevention of eye diseases may be due their physical blue light filtration properties and local antioxidant activity...
April 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28405668/functional-food-supplements-to-ameliorate-the-secondary-complications-in-high-fructose-fed-diabetic-rats
#4
S S Gite, S A Yadav, S S Nilegaonkar, V V Agte
Functional foods are the most natural and safest source of health ingredients, providing health benefits beyond basic nutrition, and hence can be used as supplements for the prevention of secondary complications in diabetes. Persistent diabetes may cause glycation of various tissue proteins such as of those in lens, kidney, blood, and brain, which may further lead to the development of pathological conditions such as cataract and cardiovascular diseases. This study on adult rats was designed to assess if the functional food supplements A and B (proprietary blends of antioxidant rich plant materials) can reduce secondary complications such as cataract, dyslipidemia, and oxidative stress under severe diabetic conditions...
April 13, 2017: Food & Function
https://www.readbyqxmd.com/read/28367524/effects-of-adjuvant-omega-3-fatty-acid-supplementation-on-dry-eye-syndrome-following-cataract-surgery-a-randomized-clinical-trial
#5
Mehrdad Mohammadpour, Shima Mehrabi, Narges Hassanpoor, Reza Mirshahi
PURPOSE: To investigate the effect of omega-3 polyunsaturated fatty acid supplement on qualitative and quantitative subjective (ocular surface disease index [OSDI]) and objective (Schirmer's test, tear break up time [TBUT], and tear osmolarity) dry eye indices after cataract surgery. METHODS: In this randomized clinical study, 61 eyes of 48 patients complaining of new onset dry eye symptoms after phacoemulsification were enrolled. Subjects were randomly allocated into two groups using urn randomization...
March 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28336284/macular-pigment-density-variation-after-supplementation-of-lutein-and-zeaxanthin-using-the-visucam-%C3%A2-200-pigment-module-impact-of-age-related-macular-degeneration-and-lens-status
#6
G Azar, M Quaranta-El Maftouhi, J-J Masella, M Mauget-Faÿsse
PURPOSE: To assess the evolution of macular pigment optical density (MPOD) following supplementation with various macular formulations obtained with the Visucam(®) 200, and to study the factors affecting MPOD measurements. MATERIALS AND METHODS: In this prospective, randomized, double-masked multicenter study, patients were divided into 2 groups: group A (patients without retinal pathology who underwent cataract surgery 1 month previously) and group B (patients with neovascular age-related macular degeneration [AMD] in one eye)...
April 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28274170/protective-effects-of-cassia-tora-leaves-in-experimental-cataract-by-modulating-intracellular-communication-membrane-co-transporters-energy-metabolism-and-the-ubiquitin-proteasome-pathway
#7
V Sreelakshmi, Annie Abraham
CONTEXT: Cataract is the clouding of eye lens which causes impairment in vision and accounts for the leading factor of global blindness. Functional food-based prevention of cataract finds application in vision research because of its availability and easy access to all classes of the society. Cassia tora Linn. (Caesalpinaceae) is an edible plant mentioned in the traditional systems of medicine for whole body health, especially to the eyes. OBJECTIVE: The present study evaluates the potential of ethyl acetate fraction of Cassia tora leaves (ECT) on experimental cataract...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28188652/water-temperature-and-dietary-histidine-affect-cataract-formation-in-atlantic-salmon-salmo-salar-l-diploid-and-triploid-yearling-smolt
#8
F Sambraus, P G Fjelldal, S C Remø, E M Hevrøy, T O Nilsen, A Thorsen, T J Hansen, R Waagbø
The aim of the present study was to investigate cataract development in diploid (2N) and triploid (3N) Atlantic salmon smolts and post-smolts at two water temperatures (10 and 16 °C) given diets with different histidine supplementation (LH, 10.4 and HH, 13.1 g kg(-1) ) before and after seawater transfer. In freshwater, a severe cataract outbreak was recorded in both ploidies reared at 16 °C. The cataract score was significantly higher in triploids compared to diploids, and the severity was lower in both ploidies fed the HH diet...
February 11, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28123157/olive-and-ginkgo-extracts-as-potential-cataract-therapy-with-differential-inhibitory-activity-on-aldose-reductase
#9
Diaaeldin Mohamed Abdelkawi Elimam, Ahmed Salah Uddin Ibrahim, Gregory Ing Liou, Farid Abd-Elrehim Abd-Elaziz Badria
Aldose reductase (AR) has been the leading target in the treatment of diabetic cataract. Although numerous synthetic AR inhibitors (ARI) have been identified, their adverse side effects currently preclude their use. Olive leaf extract (OLE) as well as ginkgo leaf extract (GLE) are natural supplements that have wide therapeutic indices and a plethora of salutary effects during diabetes that so far untested on sugar cataract progression. As such, the present study sought to evaluate the AR-inhibiting properties of OLE and GLE using the isolated enzyme from rabbit lens...
January 26, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/28056318/-clinical-characteristics-of-adult-onset-primary-hypoparathyroidism-a-retrospective-analysis-of-200-cases
#10
T T Quan, Y P Li, O Wang, Y Jiang, W B Xia, M Li, X Q Cheng, X W Meng, X P Xing
Objective: To study the clinical characteristics of primary hypoparathyroidism in adults. Methods: The clinical data of 200 cases with adult-onset primary hypoparathyroidism in Peking Union Medical College Hospital during December 1987 to December 2015 were collected and analyzed retrospectively. Among them, 128 cases were followed up for a median period of 3 years. Results: The major manifestations at their first visits were tetany and numbness in the distal extremities(81.5%, 163/200 and 62.0%, 124/200). Thirty-two percent of the cases (62 cases) had history of seizures, and 60...
January 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/27982689/the-effect-of-laurus-nobilis-on-the-blood-and-lenses-antioxidant-activity-in-rabbit-under-fat-enriched-diet
#11
D Casamassima, F Chiosi, F Vizzarri, M Palazzo, C Costagliola
Fat-enriched diet is strongly associated with cataract development. Laurus nobilis shows antioxidant activity. Herein we evaluated the effect of Laurus nobilis oral administration on the blood and lenses antioxidant activity in rabbits under fat-enriched diet. Sixty rabbits divided into 4 groups were used. One group represented the control (N-CTR). The second group (P-CTR) fed a diet supplemented with 2.5 % of pig fat; the third group (EXP1) received a diet supplemented with 2.5 % of pig fat and 1 g/kg of dried-bay leaves; the fourth group (EXP2) was treated with dried-bay leaves at the rate of 1 g/kg of feed...
May 4, 2017: Physiological Research
https://www.readbyqxmd.com/read/27752786/selenite-and-ebselen-supplementation-attenuates-d-galactose-induced-oxidative-stress-and-increases-expression-of-selr-and-sep15-in-rat-lens
#12
Jie Dai, Jun Zhou, Hongmei Liu, Kaixun Huang
Selenite and ebselen supplementation has been shown to possess anti-cataract potential in some experimental animal models of cataract, however, the underlying mechanisms remain unclear. The present study was designed to evaluate the anti-cataract effects and the underlying mechanisms of selenite and ebselen supplementation on galactose induced cataract in rats, a common animal model of sugar cataract. Transmission electron microscopy images of lens fiber cells (LFC) and lens epithelial cells (LEC) were observed in D-galactose-induced experimental cataractous rats treated with or without selenite and ebselen, also redox homeostasis and expression of proteins such as selenoprotein R (SELR), 15kD selenoprotein (SEP15), superoxide dismutase 1 (SOD1), catalase (CAT), β-crystallin protein, aldose reductase (AR) and glucose-regulated protein 78 (GRP78) were estimated in the lenses...
October 17, 2016: Journal of Biological Inorganic Chemistry: JBIC
https://www.readbyqxmd.com/read/27728893/magnesium-taurate-prevents-cataractogenesis-via-restoration-of-lenticular-oxidative-damage-and-atpase-function-in-cadmium-chloride-induced-hypertensive-experimental-animals
#13
Rajesh Choudhary, Surendra H Bodakhe
Previously we found that hypertension potentiates the risk the cataractogenesis. In the present study, we investigated the protective effects of magnesium taurate (MgT) on hypertension and associated lenticular damages against cadmium chloride (CdCl2)-induced hypertensive animals. Male Sprague-Dawley albino rats (150-180g) were assigned to five experimental groups (n=6). Among the five groups, normal group received 0.3% carboxymethyl cellulose (10ml/kg/day, p.o.). Hypertension control group received CdCl2 (0...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27703849/atlantic-salmon-salmo-salar-require-increased-dietary-levels-of-b-vitamins-when-fed-diets-with-high-inclusion-of-plant-based-ingredients
#14
Gro-Ingunn Hemre, Erik-Jan Lock, Pål Asgeir Olsvik, Kristin Hamre, Marit Espe, Bente Elisabeth Torstensen, Joana Silva, Ann-Cecilie Hansen, Rune Waagbø, Johan S Johansen, Monica Sanden, Nini H Sissener
Aiming to re-evaluate current recommendations for nutrient supplementations when Atlantic salmon are fed diets based on plant ingredients, two regression experiments, with parr and post-smolt, were conducted. A control diet was included to evaluate if ingredients supplied sufficient nutrients without any added nutrient package (NP). The nutrient package consisted of vitamins B, C, E, minerals, cholesterol, methionine, taurine and histidine. This paper focus on B-vitamins. In parr, growth, health and welfare parameters responded on NP additions, but this was not observed in the seawater stage...
2016: PeerJ
https://www.readbyqxmd.com/read/27685794/in-vitro-and-in-vivo-inhibition-of-aldose-reductase-and-advanced-glycation-end-products-by-phloretin-epigallocatechin-3-gallate-and-6-gingerol
#15
Chethan Sampath, Shengmin Sang, Mohamed Ahmedna
Hyperglycemic stress activates polyol pathway and aldose reductase (AR) key enzyme responsible for generating secondary complications during diabetes. In this study the therapeutic potential of phloretin, epigallocatechin 3-gallate (EGCG) and [6]-gingerol were evaluated for anti-glycating and AR inhibitory activity in vitro and in vivo systems. Human retinal pigment epithelial (HRPE) cells were induced with high glucose supplemented with the phloretin, EGCG and [6]-gingerol. Aldose reductase activity, total advanced glycation end products (AGEs) and enzyme inhibitor kinetics were assessed...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27639366/design-and-synthesis-of-chiral-2h-chromene-n-imidazolo-amino-acid-conjugates-as-aldose-reductase-inhibitors
#16
Gudipudi Gopinath, Venu Sankeshi, Shaym Perugu, Malini D Alaparthi, Srinivas Bandaru, Vijay K Pasala, Prasad Rao Chittineni, G L David Krupadanam, Someswar R Sagurthi
Aldose reductase (ALR2) inhibitors provide a viable mode to fight against diabetic complications. ALR2 exhibit plasticity in the active site vicinities and possible shifts in the nearby two supporting alpha helices. Therefore, a novel series of amino acid conjugates of chromene-3-imidazoles (13-15) were designed and synthesized based on natural isoflavonoids. The compounds were identified on the basis of spectral ((1)H NMR, (13)C NMR and MS) data and tested in vitro for ALR2 inhibitory activity with an IC50 value ranges from 0...
November 29, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27479624/vision-loss-in-older-adults
#17
REVIEW
Allen L Pelletier, Ledy Rojas-Roldan, Janis Coffin
Vision loss affects 37 million Americans older than 50 years and one in four who are older than 80 years. The U.S. Preventive Services Task Force concludes that current evidence is insufficient to assess the balance of benefits and harms of screening for impaired visual acuity in adults older than 65 years. However, family physicians play a critical role in identifying persons who are at risk of vision loss, counseling patients, and referring patients for disease-specific treatment. The conditions that cause most cases of vision loss in older patients are age-related macular degeneration, glaucoma, ocular complications of diabetes mellitus, and age-related cataracts...
August 1, 2016: American Family Physician
https://www.readbyqxmd.com/read/27277218/differentiation-of-severe-bilateral-panuveitis-following-phacoemulsification-a-case-report
#18
Xi Peng, Junjun Zhang
BACKGROUND: Cataract surgery typically offers instant visual rehabilitation with rare postoperative complications. However, if complications occur, these complications may be confusing and threatening. We present a case of severe bilateral panuveitis following phacoemulsification and intraocular lens implantation and discuss the importance of a correct diagnosis and management. CASE PRESENTATION: A 75-year-old Asian male with bilateral phacoemulsification and intraocular lens implantation developed severe inflammation with sharp vision loss in both eyes after the surgeries...
June 8, 2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27211876/assessing-resident-cataract-surgery-outcomes-using-medicare-physician-quality-reporting-system-measures
#19
COMPARATIVE STUDY
Avni P Finn, Sheila Borboli-Gerogiannis, Stacey Brauner, Han-Ying Peggy Chang, Sherleen Chen, Matthew Gardiner, Scott H Greenstein, Carolyn Kloek, Joan W Miller, Teresa C Chen
OBJECTIVES: To assess resident cataract surgery outcomes at an academic teaching institution using 2 Physician Quality Reporting System (PQRS) cataract measures, which are intended to serve as a proxy for quality of surgical care. DESIGN: A retrospective review comparing cataract surgery outcomes of resident and attending surgeries using 2 PQRS measures: (1) 20/40 or better best-corrected visual acuity following cataract surgery and (2) complications within 30 days following cataract surgery requiring additional surgical procedures...
September 2016: Journal of Surgical Education
https://www.readbyqxmd.com/read/27150288/dietary-supplements-and-disease-prevention-a-global-overview
#20
REVIEW
Susanne Rautiainen, JoAnn E Manson, Alice H Lichtenstein, Howard D Sesso
Dietary supplements are widely used and offer the potential to improve health if appropriately targeted to those in need. Inadequate nutrition and micronutrient deficiencies are prevalent conditions that adversely affect global health. Although improvements in diet quality are essential to address these issues, dietary supplements and/or food fortification could help meet requirements for individuals at risk of deficiencies. For example, supplementation with vitamin A and iron in developing countries, where women of reproductive age, infants and children often have deficiencies; with folic acid among women of reproductive age and during pregnancy; with vitamin D among infants and children; and with calcium and vitamin D to ensure bone health among adults aged ≥65 years...
July 2016: Nature Reviews. Endocrinology
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