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Ambreen Hafeez et al.
Pakistan journal of pharmaceutical sciences, 26(3), 487-493 (2013-04-30)
Riboflavin (vitamin B2) belongs to a group of respiratory enzymes that occur widely in animals and plants participating in vital oxidation- reduction processes in the body. A computational study was conducted on riboflavin by ArgusLab 4.0.1 to obtain the most
Vinay Agrawal
Indian journal of ophthalmology, 61(8), 433-434 (2013-08-09)
Corneal collagen cross-linking with riboflavin and UVA light (CXL) is the only method designed to arrest the progression of keratoconus. Visual improvement generally starts 3 months after treatment. Reduction is coma seen on aberrometry in early postoperative phase is also
Despoina Theofylaktopoulou et al.
The British journal of nutrition, 112(7), 1065-1072 (2014-08-12)
Vitamins B2 and B6 are cofactors in the kynurenine pathway. Many of the kynurenines are neuroactive compounds with immunomodulatory effects. In the present study, we aimed to investigate plasma concentrations of vitamins B2 and B6 as determinants of kynurenines and
Denis Fourches et al.
Chemical research in toxicology, 23(1), 171-183 (2009-12-18)
Drug-induced liver injury is one of the main causes of drug attrition. The ability to predict the liver effects of drug candidates from their chemical structures is critical to help guide experimental drug discovery projects toward safer medicines. In this
Brian K Armstrong et al.
Journal of refractive surgery (Thorofare, N.J. : 1995), 29(5), 332-341 (2013-05-11)
To compare the biological effects of riboflavin-ultraviolet A (UVA) corneal cross-linking (CXL) performed with a traditional epithelium-off method to several transepithelial methods in a rabbit model. Preliminary experiments on biomechanical rigidity were also performed. Four treatment groups were included: (1)
Andre A M Torricelli et al.
Experimental eye research, 125, 114-117 (2014-06-15)
Studies suggest that standard corneal collagen crosslinking (CXL) is a safe and effective treatment to stiffen the cornea for keratoconus and other ectatic corneal disorders. The purpose of the present study was to compare the biomechanical effects of transepithelial benzalkonium
Chibuzo C Odigwe et al.
The Cochrane database of systematic reviews, (4)(4), CD008147-CD008147 (2010-04-16)
Protein Energy Malnutrition is an important cause of child morbidity and mortality in middle- and low-income countries. It has been suggested that excessive free radical activity may be responsible for the clinical manifestation of kwashiorkor. Antioxidants may be able to
Nacim Bouheraoua et al.
Investigative ophthalmology & visual science, 55(11), 7601-7609 (2014-10-30)
We compared the efficacy and early morphological changes in the cornea following conventional (C-CXL), transepithelial by iontophoresis (I-CXL), and accelerated (A-CXL) collagen cross-linking in keratoconus. A total of 45 eyes of 45 patients with progressive keratoconus who underwent corneal collagen
Jian-Zhuang Tan et al.
Journal of the science of food and agriculture, 95(1), 126-135 (2014-04-15)
The effects of dietary l-arginine (Arg) on immunosuppression following infectious bursal disease virus (IBDV) inoculation in broiler chickens were evaluated. The design of this study was a 5 × 2 factorial arrangement (n = 5) with five Arg concentrations (starter:
Maria Gkika et al.
International ophthalmology, 31(4), 309-319 (2011-08-19)
Corneal collagen cross-linking (CXL) using riboflavin and ultraviolet-A irradiation is a common method of tissue stabilization and has been developed primarily to address the need of treating keratoconus. CXL's promising results on keratoconus indicated that it might be effective in
Xuan Chi et al.
Transfusion, 54(1), 74-85 (2013-05-10)
Pathogen reduction technologies (PRTs) can induce platelet (PLT) lesions that reduce PLT survival and recovery from circulation and may be associated with acute lung injury (ALI). Human PLTs (hPLTs) in plasma with or without single or multiple Mirasol PRT treatments
Maria De Angelis et al.
PloS one, 9(9), e107232-e107232 (2014-09-30)
Lactobacillus rossiae is an obligately hetero-fermentative lactic acid bacterium, which can be isolated from a broad range of environments including sourdoughs, vegetables, fermented meat and flour, as well as the gastrointestinal tract of both humans and animals. In order to
Ithar M Beshtawi et al.
Journal of cataract and refractive surgery, 39(3), 451-462 (2013-03-20)
Photodynamic collagen crosslinking (CXL) using ultraviolet-A (UVA) irradiation combined with the photosensitizer riboflavin has been introduced as a new treatment for progressive keratoconus. The results of clinical studies are promising, but the efficacy of the treatment in halting the progression
Leila Farzin et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 184, 109-118 (2017-05-12)
The exploration of novel adsorption properties of conductive polymers based on hybridization with biocompatible nanomaterials receives an increasing interest. In this regard, hydroxyapatite (HA) bioceramic is of critical importance mainly owing to its facile synthesis, high surface area, economic and
Erick A Argueta et al.
FEBS letters, 589(8), 880-884 (2015-03-10)
Flavin cofactors are central to many biochemical transformations and are typically tightly bound as part of a catalytically active flavoenzyme. This work indicates that naturally occurring flavins can act as stand-alone catalysts to promote the oxidation of biosynthetically inspired heterocycles
George D Kymionis et al.
American journal of ophthalmology, 158(4), 671-675 (2014-07-19)
To compare the corneal stromal demarcation line depth using anterior segment optical coherence tomography (AS-OCT) after corneal collagen cross-linking (CXL) using 2 different treatment protocols: the standard Dresden protocol (30 minutes with 3 mW/cm(2)) and a modified-accelerated protocol (14 minutes
Katherine R Heal et al.
Rapid communications in mass spectrometry : RCM, 28(22), 2398-2404 (2014-10-11)
Vitamin B(12) is an essential nutrient for more than half of surveyed marine algae species, but methods for directly measuring this important cofactor in seawater are limited. Current mass spectrometry methods do not quantify all forms of B(12), potentially missing
Daniel R Cardoso et al.
Food & function, 3(5), 487-502 (2012-03-13)
Riboflavin, vitamin B₂, and flavins (as riboflavin building blocks or degradation products) are efficient photosensitizers inducing oxidative damage to light-exposed tissue and food by substrate-dependent mechanisms, for which protection is offered by specific nutrients. Phenolic and N-heterocyclic amino acids and
Giulio Ferrari et al.
Journal of cataract and refractive surgery, 39(4), 638-641 (2013-03-26)
Collagen crosslinking (CXL) has been proposed as a treatment for infectious keratitis. Given the insurgence of antibiotic-resistant microorganisms and frequent toxicity of topical medications, CXL may be a potential treatment for corneal infections. However, corneal infection is itself a possible
Arundhati Biswas et al.
PloS one, 8(3), e58190-e58190 (2013-03-14)
Two potential orthologs of the human riboflavin transporter 3 (hRFVT3) were identified in the C. elegans genome, Y47D7A.16 and Y47D7A.14, which share 33.7 and 30.5% identity, respectively, with hRFVT3. The genes are tandemly arranged, and we assign them the names
Liang Chen et al.
Fish & shellfish immunology, 47(1), 470-484 (2015-10-01)
This study investigated the effects of riboflavin on intestinal immunity, tight junctions and antioxidant status of young grass carp (Ctenopharyngodon idella). Fish were fed diets containing graded levels of riboflavin (0.63-10.04 mg/kg diet) for 8 weeks. The study indicated that
Jose L Güell et al.
Journal of refractive surgery (Thorofare, N.J. : 1995), 30(4), 286-288 (2014-04-08)
To present a case of a late, deep stromal scar in a 22-year-old patient with forme fruste keratoconus who underwent combined corneal cross-linking and photorefractive keratectomy (PRK). Topography-guided corneal cross-linking combined with corneal PRK (without complications) was performed in both
Stella Vitt et al.
Journal of molecular biology, 426(15), 2813-2826 (2014-06-03)
The reversible redox reaction between coenzyme F420 and H2 to F420H2 is catalyzed by an F420-reducing [NiFe]-hydrogenase (FrhABG), which is an enzyme of the energy metabolism of methanogenic archaea. FrhABG is a group 3 [NiFe]-hydrogenase with a dodecameric quaternary structure
Anastasios John Kanellopoulos
Journal of refractive surgery (Thorofare, N.J. : 1995), 29(7), 504-505 (2013-07-04)
To report a novel application of collagen cross-linking (CXL) in refractive astigmatic enhancement of previously performed astigmatic keratotomy. A 28-year-old woman with prior history of bioptics correction of high myopic astigmatism with femtosecond laser-assisted astigmatic keratotomy followed by topography-guided LASIK
Peter W J Morrison et al.
International journal of pharmaceutics, 472(1-2), 56-64 (2014-06-15)
Ethylenediaminetetraacetic acid, ethylenediamine-N,N'-disuccinic acid and ethylene glycol-bis(2-aminoethylether)-N,N,N',N'-tetraacetic acid are polyaminocarboxylic acids that are able to sequester metal ions. Calcium is implicated in maintenance of intercellular matrix, zonula occludens (tight junctions) and zonula adherens of epithelium and endothelium cells. Corneal epithelium
Hiroki Yoshimatsu et al.
American journal of physiology. Gastrointestinal and liver physiology, 306(2), G102-G110 (2013-11-23)
Riboflavin, also known as vitamin B2, is transported across the biological membrane into various organs by transport systems. Riboflavin transporter RFVT3 is expressed in the small intestine and has been suggested to localize in the apical membranes of the intestinal
Djamila Achouri et al.
Drug development and industrial pharmacy, 41(3), 493-501 (2014-02-14)
In the field of keratoconus treatment, a lipid-based liquid crystal nanoparticles system has been developed to improve the preocular retention and ocular bioavailability of riboflavin, a water-soluble drug. The formulation of this ophthalmic drug delivery system was optimized by a
Arthur Hammer et al.
Investigative ophthalmology & visual science, 55(5), 2881-2884 (2014-03-29)
New corneal cross-linking (CXL) devices are capable of using higher UV-A light irradiances than used in original CXL protocols. The Bunsen-Roscoe law states that a photochemical reaction should stay constant if the delivered total energy is kept constant; however, little
High fluence iontophoretic corneal collagen cross-linking: in vivo OCT imaging of riboflavin penetration.
Paolo Vinciguerra et al.
Journal of refractive surgery (Thorofare, N.J. : 1995), 29(6), 376-377 (2013-06-07)
David Tabibian et al.
Journal of refractive surgery (Thorofare, N.J. : 1995), 30(12), 855-857 (2014-12-02)
To report the use of accelerated photoactivated chromophore for keratitis-corneal collagen cross-linking (PACK-CXL) as a first-line treatment in a patient with an atypical fungal keratitis. Case report and literature review. A patient who presented with a painful peripheral corneal infiltrate
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