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Cutaneous and Ocular Toxicology

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https://www.readbyqxmd.com/read/28707522/the-effect-of-endothelin-receptor-antagonists-in-the-endotoxin-induced-uveitis-rabbit-model
#1
Emine Esra Karaca, Feyzahan Uzun, Ergin Dileköz, Gökçe Sevim Öztürk Fincan, Sevim Ercan, Oğuz Kul, Emin Ümit Bağrıaçık, Meral Or
PURPOSE: To investigate the effect of Bosentan (non-selective endothelin receptor antagonist) and BQ123 (ETA receptor antagonist) on intraocular inflammation in an endotoxin-induced uveitis (EIU) rabbit model. METHODS: Uveitis was induced by intravitreal injection of lipopolysaccharide (LPS). The animals were divided into 7 groups and there were six rabbits in each group (saline, saline and ethanol, bosentan, BQ123, lipopolysaccharide (LPS), bosentan and LPS, BQ123 and LPS-injected groups)...
October 12, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28944688/treatment-of-lichen-planopilaris-methotrexate-or-cyclosporine-a-therapy
#2
Emel Bulbul Baskan, Serkan Yazici
BACKGROUND: Because of irreversible outcome of the lichen planopilaris (LPP), systemic therapy should be used in early inflammatory stages of the disease, without allowing the irreversible scar formation and permanent hair loss. OBJECTIVE: We assessed the efficacy and safety of methotrexate (MTX) and cyclosporine A (CsA) in the management of recalcitrant, extensive LPP and compared their efficacy and safety profile. METHODS: We retrospectively analysed the 16 LPP cases treated with either CsA or MTX therapy...
October 11, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28838263/evaluation-of-oxidative-stress-via-protein-expression-of-glutathione-s-transferase-and-cytochrome-p450-cyp450-%C3%A4-soenzymes-in-psoriasis-vulgaris-patients-treated-with-methotrexate
#3
Ozge Akbulak, Ayse Serap Karadag, Necmettin Akdeniz, Seyma Ozkanli, Emin Ozlu, Ebru Zemheri, Serpil Oguztuzun
INTRODUCTION: Oxidative stress is the imbalance between oxidant-antioxidant systems and may play a major role in the psoriasis pathogenesis. Cytochrome (CYP) is a family of enzymes that are responsible for the metabolism of various endogenous and exogenous substances such as drug metabolism. Most importantly, the antioxidant system is the glutathione S-transferases (GST), which decrease oxidative stress by reducing oxidative products. AIM: We aimed to evaluate the expressions of isoenzymes of GST and CYP families and the beneficial role of metotrexate (MTX) in this process...
October 3, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28592159/taurine-prevents-ultraviolet-b-induced-apoptosis-in-retinal-ganglion-cells
#4
Wu Dayang, Pang Dongbo
BACKGROUND: Compatible osmolytes accumulation is an active resistance response in retina under ultraviolet (UV) radiation and hypertonicity conditions. OBJECTIVE: The purpose of this research is to investigate the protective role of taurine on retina under UVB radiation. METHODS: Osmolytes transporters were measured by quantitative realtime PCR. Osmolytes uptake was estimated by radioimmunoassay. Cell viability was calculated by MTT assay...
October 3, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28874077/effects-of-sunitinib-and-bevacizumab-on-vegf-and-mirna-levels-on-corneal-neovascularization
#5
Harun Cakmak, Esra Gokmen, Gokay Bozkurt, Tolga Kocaturk, Kemal Ergin
AIM: To evaluate the effects of sunitinib (0.5 mg/ml) and bevacizumab (5 mg/ml) on VEGF-A, VEGFR-2 and microRNA (miRNA) levels on corneal neovascularization (CNV). METHODS: In this study, CNV was induced by silver nitrate application to the cornea, and 40 Albino male rats were equally divided into four subgroups: Group 1 (sunitinib): After silver nitrate application to the cornea, 0.5 mg/ml sunitinib eyedrop was administered twice daily for two weeks (n = 10)...
September 20, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28849680/evaluation-of-the-effect-of-erythropoietin%C3%A2-%C3%A2-corticosteroid-versus-corticosteroid-alone-in-methanol-induced-optic-nerve-neuropathy
#6
Nasim Zamani, Hossein Hassanian-Moghaddam, Maziar Shojaei, Sara Rahimian
PURPOSE: Following methanol intoxication, optic nerve neuropathy may occur, which is currently treated by different therapeutic regimens. Erythropoietin (EPO) has recently been introduced as a good therapeutic option in methanol-induced optic neuropathy. The aim of the current study was to evaluate the efficacy of EPO in improvement of the visual disturbances in methanol-intoxicated patients. MATERIALS AND METHODS: In a case-control study, all patients who had referred to our toxicology centre with confirmed diagnosis of methanol toxicity were considered to be included...
September 14, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28875716/correction-to-zhu-et%C3%A2-al-common-and-uncommon-adverse-cutaneous-reactions-to-erlotinib-a-study-of-20-chinese-patients-with-cancer
#7
(no author information available yet)
No abstract text is available yet for this article.
September 6, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28853336/the-percutaneous-absorption-of-soman-in-a-damaged-skin-porcine-model-and-the-evaluation-of-woundstat%C3%A2-as-a-topical-decontaminant
#8
Christopher Dalton, Charlotte Hall, Helen Lydon, John Jenner, J Kevin Chipman, John S Graham, Robert P Chilcott
PURPOSE: The aim of this study was to evaluate a candidate haemostat (WoundStat™), down-selected from previous in vitro studies, for efficacy as a potential skin decontaminant against the chemical warfare agent pinacoyl methylfluorophosphonate (Soman, GD) using an in vivo pig model. MATERIALS AND METHODS: An area of approximately 3 cm(2) was dermatomed from the dorsal ear skin to a nominal depth of 100 µm. A discrete droplet of (14)C-GD (300 µg kg(-1)) was applied directly onto the surface of the damaged skin at the centre of the dosing site...
August 30, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28840749/evaluation-of-the-quality-of-life-in-patients-with-arsenic-keratosis
#9
Nazli Dizen Namdar, Inci Arikan, Cuneyt Kahraman, Emek Kocaturk, Merve Dagci, Ezgi Ece
BACKGROUND: Chronic exposure to inorganic arsenic is an important public health problem and leads to hyperpigmentation, hyperkeratosis, Bowen's disease and non-melanoma skin cancers in humans. Arsenic keratosis is the most common skin change that is associated with arsenic exposure. It may be an indicator of arsenic induced health hazards. OBJECTIVE: To determine the needs of patients with arsenic keratosis by evaluating the impact of disease on the quality of life with respect to treatment and provide rehabilitation services...
August 25, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28789573/the-protective-effect-of-fish-oil-against-cisplatin-induced-eye-damage-in-rats
#10
Burcu Gul Baykalir, Osman Ciftci, Aslı Cetin, Nese Basak Turkmen
Ocular toxicity induced by anticancer chemotherapy is not uncommon, but underestimated and under-reported. Visual changes have been attributed to a number of chemotherapeutic agents in humans. Cisplatin (CP), a heavy metal compound, is used in the treatment of many types of tumours. CP is known to produce nonspecific blurred vision, papilledema, and optic neuritis for high doses as well as cumulative dose regimens. The aim of this study was to investigate the possible beneficial effects of fish oil (FO) on eye tissue oxidative status and histological alterations against CP-induced in the rats...
August 25, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28632093/allergic-contact-dermatitis-from-ophthalmics
#11
Yue Zheng, Paru R Chaudhari, Howard I Maibach
In this article we summarize the recently described allergens responsible for allergic contact dermatitis due to ophthalmic drugs and contact lens solutions, and emphaage the need on how to perform diagnostic testing in this special clinical entity.
December 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28468509/effect-of-trospium-chloride-therapy-on-intraocular-pressure-and-tear-secretion-in-overactive-bladder-patients
#12
Ali Riza Turkoglu, Neslihan Parmak Yener, Soner Coban, Muhammet Guzelsoy, Ali Emul, Murat Demirbas, Hakan Demirci
PURPOSE: To investigate the effect of trospium chloride, which has an anticholinergic effect, used in overactive bladder (OAB) treatment on the intraocular pressure (IOP) and tear secretion after 12 weeks of treatment. MATERIALS AND METHODS: This prospective study was performed at a single center between October 2014 and January 2016. A detailed history was obtained from the female OAB patients at the eye outpatient department. After checking the exclusion criteria, oral trospium chloride 30 mg bd was started...
December 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28423957/trends-in-culprit-drugs-and-clinical-entities-in-cutaneous-adverse-drug-reactions-a-retrospective-study
#13
Fang Wang, Yu-Kun Zhao, Minyi Li, Zhe Zhu, Xingqi Zhang
PURPOSE: Morbidity due to cutaneous adverse drug reactions (CADRs) is quite common. The specific culprit drugs change over time and clinicians must be kept informed with updated knowledge, thus preventing potential CADRs. This retrospective study is a survey of CADRs encountered in a hospital-based population in Southern China during three time intervals, from 1984 to 2015. MATERIALS AND METHODS: The clinical records were review of 306 patients with CADRs who were admitted to our hospital from 2011 to 2015...
December 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28412864/cutaneous-allergic-drug-reactions-update-on-pathophysiology-diagnostic-procedures-and-differential-diagnosic
#14
Galina Balakirski, Hans F Merk
Important changes in the understanding and management of drug hypersensitivity reactions during the last years result from the increasing importance of biologics in medical practice, which differ in their spectrum of adverse drug reactions (ADRs) from the classical covalent drugs. With regard to covalent drugs, ampicillin and amoxicillin as well as clavulanic acid play an increasing role among ADRs to betalactam antibiotics. Fluoroquinolones are mainly the cause of anaphylactic and photosensitivity reactions...
December 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28397526/dynamic-thiol-disulfide-homeostasis-and-effects-of-smoking-on-homeostasis-parameters-in-patients-with-psoriasis
#15
Selma Emre, Duriye Deniz Demirseren, Murat Alisik, Akin Aktas, Salim Neselioglu, Ozcan Erel
PURPOSE: Recently, increased reactive oxygen species (ROS), reduced antioxidant capacity, and oxidative stress have been suggested in the pathogenesis of psoriasis. The aim of this study to evaluate the thiol/disulfide homeostasis in patients with psoriasis. MATERIALS AND METHODS: Ninety patients with psoriasis who did not receive any systemic treatment in the last six  months were included in the study. Seventy-six age and gender-matched healthy volunteers served as control group...
December 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28376677/lens-opacities-in-children-using-methylphenidate-hydrochloride
#16
Nagihan Saday Duman, Rahmi Duman, Emel Sarı Gökten, Reşat Duman
PURPOSE: To assess clinical findings of eye examination in children having attention deficit hyperactivity disorder (ADHD) administered with methylphenidate hydrochloride. METHODS: Fifty-seven consecutive patients diagnosed of ADHD and administered with oral methylphenidate hydrochloride treatment for at least one year were involved in this study (Group 1). Sixty healthy subjects (Group 2) having demographic features similar to group 1 were involved as a control group...
December 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28376651/evaluation-of-the-effects-on-choroidal-thickness-of-bimatoprost-0-03-versus-a-brinzolamide-1-0-timolol-maleate-0-5-fixed-combination
#17
Nurettin Akyol, Ahmet Kalkisim, Adem Turk, Mehmet Kola, Halil Ibrahim Imamoglu
OBJECTIVE: To investigate the effects of two different medical treatment options on choroidal thickness (CT) in cases of open-angle glaucoma (OAG). METHODS: Sixty-seven eyes newly diagnosed with OAG and 52 healthy eyes constituting the control group were included in the study. Glaucomatous eyes were randomly divided into two subgroups; Group I was started on bimatoprost 0.03% and Group II on a brinzolamide 1.0%/timolol maleate 0.5% fixed combination (BTFC). Intraocular pressure (IOP), ocular pulse amplitude (OPA) and subfoveal CT measurements were performed in all eyes in the study before treatment and on weeks 2, 4 and 8 after treatment...
December 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28366009/nickel-sensitivity-in-patients-with-gastroesophageal-reflux-disease
#18
Nurşad Aslan, Mesut Sezikli, Emel Erdal
OBJECTIVE: Various foods play important role in the pathogenesis of gastroesophageal reflux disease (GERD). These foods are shown to increase gastroesophageal reflux symptoms via various mechanisms and majority of these foods also contain nickel. The purpose of this study is to evaluate the relationship between Nickel sensitivity and GERD. MATERIAL AND METHODS: Fifty-four patients diagnosed with GERD and 50 healthy volunteers who were admitted to our gastroenterology outpatient clinic were took part in the study...
December 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28351170/effect-of-topiramate-on-choroidal-thickness-and-anterior-chamber-parameters-in-the-treatment-of-patients-with-migraine
#19
Mustafa Gok, Ozdemir Ozdemir
OBJECTIVE: To investigate the effects of topiramate on choroidal thickness and anterior chamber parameters using optical coherence tomography in the treatment of patients with migraine. METHODS: A total of 22 eyes of 22 adults (12 females, 10 males) diagnosed with migraine and scheduled to topiramate treatment for pain control were recruited in this prospective study. Choroidal thickness (CT), anterior chamber depth (ACD), anterior chamber angle (ACA), spherical refractive equivalent (SphEq) and intraocular pressure (IOP) measurements were recorded at baseline (prior the topiramate therapy), first and second month visits for the statistical analysis...
December 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28351163/crp-relevance-in-clinical-assessment-of-chronic-spontaneous-urticaria-tunisian-patients
#20
A Maouia, M Youssef, N Leban, J Ben Chibani, A N Helal, A Kassab
BACKGROUND: Chronic spontaneous urticaria (CSU) is a common dermatological condition defined by the sudden occurrence of daily wheals and pruritus for at least six weeks. Multifactorial origin is suggested such as oxidative stress. This latter may play a double role as a trigger and remnant agent. OBJECTIVES: The first aim of this study is to investigate antioxidant status, inflammatory proteins, hematologic counts and clinical assessment in CSU patients. The second aim is to evaluate the effect of a first-line treatment: desloratadine 5 mg/d on these different parameters...
December 2017: Cutaneous and Ocular Toxicology
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