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Cutaneous and Ocular Toxicology

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https://www.readbyqxmd.com/read/28573874/role-of-mast-cells-in-the-induction-of-dry-skin-in-a-mouse-model-of-rheumatoid-arthritis
#1
Kenji Goto, Keiichi Hiramoto, Hijiri Kita, Kazuya Ooi
PURPOSE: Rheumatoid arthritis (RA) is known to induce dry skin as an extra-articular symptom. However, the mechanisms behind the induction are unclear. In this study, we utilized an arthritis mouse model to simulate RA to reveal the relationship between arthritis and dry skin. MATERIALS AND METHODS: DBA/1JJmsSlc control mice (n = 5) and DBA/1JJmsSlc collagen-induced arthritis mouse model (arthritis mice; n = 5) were used. We measured transepidermal water loss (TEWL) and capacitance to reveal the effect of arthritis on skin barrier function...
June 21, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28486855/the-effects-of-smoking-on-corneal-endothelial-cells-a-cross-sectional-study-on-a-population-from-isfahan-iran
#2
Khodayar Golabchi, Mohammad-Ali Abtahi, Ali Salehi, Hamidreza Jahanbani-Ardakani, Sara Ghaffari, Ziba Farajzadegan
PURPOSE: The aim of this study is to compare the effect of smoking in corneal endothelial cell number and morphology by specular microscopy on a non-smoker population. METHODS: Our cross-sectional study was performed on 150 participants from a non-smoker population. Non-contact specular microscopy (Tomey Corporation Inc., Nagoya, Japan) was performed in the center of the cornea of all subjects. The cell density (CD), average cell size (AVG), percent of hexagonality (HEX%) and central corneal thickness (CCT) were calculated and compared in both groups...
June 19, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28614955/systemic-effects-after-intravitreal-injection-of-bevacizumab-in-new-born-rabbit-eyes
#3
Yih-Shiou Hwang, Chi-Hsien Liu, Yin-Cheng Huang, Chih-Shan Chen, Tun-Lu Chen, Nan-Kai Wang, Yen-Po Chen, Kwan-Jen Chen, Chi-Chun Lai, Wei-Chi Wu
PURPOSE: To determine the systemic impact of intravitreal bevacizumab (IVB), an anti-vascular endothelium growth factor antibody, after injection into newborn rabbit eyes. MATERIALS AND METHODS: We used four groups of rabbits. Group 1 rabbits received a single injection of IVB starting from the age of 6 weeks. Group 2 rabbits received a single injection of balanced salt solution (BSS, 0.025 ml) and served as controls for group 1. Group 3 rabbits received 2 consecutive injections of IVB at the ages of 6 weeks and 10 weeks...
June 14, 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 radiation and hypertonicity conditions. OBJECTIVE: The purpose of this research is to investigate the protective role of taurine on retina under ultraviolet B radiation. METHODS: Osmolytes transporters was measured by quantitative realtime PCR. Osmolytes uptake was estimated by radioimmunoassay. Cell viability was caculated by MTT assay...
June 7, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28504010/effects-of-selective-serotonin-reuptake-inhibitors-on-intraocular-pressure-and-anterior-segment-parameters-in-open-angle-eyes
#5
Gamze Uçan Gündüz, Neslihan Parmak Yener, Oğuzhan Kılınçel, Cem Gündüz
PURPOSE: To evaluate the short- and long-term effects of selective serotonin reuptake inhibitors (SSRIs) on intraocular pressure (IOP) and anterior segment parameters in open angle eyes. MATERIALS AND METHODS: This cross-sectional study included 325 eyes of 166 subjects. Subjects were divided into three groups: Group 1 included 116 eyes of 58 patients receiving SSRIs for 1 week-6 months, Group 2 included 102 eyes of 53 patients receiving SSRIs for longer than 6 months and Group 3 included 107 eyes of 55 healthy subjects not receiving any drugs...
June 1, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28554225/lutein-improves-cell-viability-and-reduces-alu-rna-accumulation-in-hydrogen-peroxide-challenged-retinal-pigment-epithelial-cells
#6
You Sheng Chong, Chun Wai Mai, Chee Onn Leong, Lai Chun Wong
PURPOSE: Dysfunction of the microRNA (miRNA)-processing enzyme DICER1 and Alu RNA accumulation are linked to the pathogenesis of age-related macular degeneration (AMD). This study determined the optimal dose of lutein (LUT) and zeaxanthin (ZEA) to protect human retinal pigment epithelium (RPE) cells against hydrogen peroxide (H2O2). The effect of the optimal dose of LUT and ZEA as DICER1 and Alu RNA modulators in cultured human RPE cells challenged with H2O2 was investigated. MATERIALS AND METHODS: ARPE-19 cells were pre-treated with LUT, ZEA or both for 24 hours before 200 µM H2O2 challenge...
May 29, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28486821/oral-warfarin-affects-some-aspects-of-systemic-immunomodulation-with-topical-dinitrochlorobenzene-dncb-in-rats
#7
Aleksandra Popov Aleksandrov, Sandra Belij-Rammerstorfer, Ivana Mirkov, Vesna Subota, Jelena Kulas, Dragan Kataranovski, Milena Kataranovski
PURPOSE: The efficacy of topical dinitrochlorobenzene (DNCB) in the treatment of some skin dermatoses is based both on local and systemic effects. It is not known, however, whether it can be applied to patients receiving some other therapy associated with systemic immunomodulation. The aim of the present paper using a rat model was to examine whether oral warfarin (WF) intake, as shown by others and by us, had an immunomodulatory potential to interfere with effects of topical DNCB as systemic immunotherapy...
May 29, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28468507/the-reduction-in-inflammation-and-impairment-in-wound-healing-by-using-strontium-chloride-hexahydrate
#8
Sibel Berksoy Hayta, Kasim Durmuş, Emine Elif Altuntaş, Esin Yildiz, Mehmet Hisarciklıo, Melih Akyol
BACKGROUND: Numerous growth factors, cytokine, mitogen and chemotactic factors are involved in wound healing. Even though inflammation is important for the stimulation of proliferative phase, excessive inflammation also causes impairment in wound healing. Strontium salts suppress keratinocyte-induced TNF-alpha and interleukin-1 and interleukin-6 in in vitro cultures. This study was conducted to determine the effects of administration of topical strontium chloride hexahydrate on wound healing through TNF-alpha and TGF-beta in surgical wound healing model of in-vivo rat skin...
May 22, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28427301/corneal-endothelial-changes-in-long-term-cannabinoid-users
#9
Nihat Polat, Birgul Cumurcu, Tongabay Cumurcu, İlknur Tuncer
PURPOSE: The aim of this study was at evaluating the effects of long-term cannabis use on the corneal endothelial cells with the specular microscopy. METHODS: The study enrolled 28 eyes of 28 patients diagnosed with cannabinoid use disorder. The cannabinoid group was selected among patients who had been using the substance for three days or more per week over the past one year. Thirty-two eyes of 32 age- and sex-matched healthy individuals enrolled as control group in the study...
May 10, 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
#10
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...
May 4, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28372461/decontamination-of-rat-and-human-skin-experimentally-contaminated-with-99m-tc-201-tl-and-131-i-radionuclides-using-dermadecon-a-skin-decontamination-kit-an-efficacy-study
#11
Dhruv Kumar Nishad, Supriya Bhalla, Kushagra Khanna, Braj Gaurav Sharma, Harish Singh Rawat, Gaurav Mittal, Aseem Bhatnagar
Radioactive skin contamination is one of the most likely risks which occurs after accidental or occupational radiological accidents apart from internal contamination. In such cases where the radioactive contamination has occurred, the person who is contaminated should be decontaminated as early as possible to reduce the damaging health effects of radiation. In the present study, the decontamination efficiency of a developed skin decontamination kit "dermadecon" has been evaluated in animal models and human subjects using gamma scintigraphy...
May 3, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28412864/cutaneous-allergic-drug-reactions-update-on-pathophysiology-diagnostic-procedures-and-differential-diagnosic
#12
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...
April 27, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28393562/intravitreal-anti-vegf-treatment-for-retinopathy-of-prematurity-in-infants-with-active-adenoviral-keratoconjunctivitis
#13
Yusuf Koçluk, Emine Alyamaç Sukgen
PURPOSE: To evaluate the results of intravitreal anti-vascular endothelial growth factor (anti-VEGF) treatment for retinopathy of prematurity (ROP) in infants with active adenoviral keratoconjunctivitis (AKC). MATERIAL AND METHODS: A retrospective analysis was performed using the medical records of all infants treated with intravitreal injections of anti-VEGF agents during an AKC outbreak previously reported in the literature at a tertiary center for treatment of ROP...
April 27, 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
#14
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...
April 25, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28376677/lens-opacities-in-children-using-methylphenidate-hydrochloride
#15
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...
April 25, 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
#16
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...
April 25, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28366009/nickel-sensitivity-in-patients-with-gastroesophageal-reflux-disease
#17
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...
April 25, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28351163/crp-relevance-in-clinical-assessment-of-chronic-spontaneous-urticaria-tunisian-patients
#18
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...
April 25, 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
#19
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...
April 19, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28359163/pityriasis-rosea-like-eruption-induced-by-isotretinoin
#20
Gülhan Gürel, Sevinç Şahin, Emine Çölgeçen
Pityriasis rosea is a common, self-limited and inflammatory skin disease. The etiology is not clearly known. Viral agents, autoimmunity, psychogenic factors and drugs have all been suggested as risk factors. Isotretinoin is usually used in the treatment of resistant, nodulocytic acne. We present a case of pityriasis rosea-like eruption induced by isotretinoin. To our knowledge, this is the second clinical case of pityriasis rosea-like eruption induced by isotretinoin.
April 19, 2017: Cutaneous and Ocular Toxicology
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