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https://www.readbyqxmd.com/read/28317175/occupational-respiratory-allergy-in-peach-crop-workers
#1
Remedios Pérez-Calderón, M Ángeles Gonzalo-Garijo, Francisco José Rodríguez-Velasco, Silvia Sánchez-Vega, Borja Bartolomé-Zavala
BACKGROUND: Occupational respiratory diseases in workers of peach tree crops have been reported punctually and have been associated with sensitization to proteins present in both pollen and leaf tree. We report the study of 37 workers with respiratory symptoms related to occupational exposure to peach trees. METHODS: Prick tests and specific IgE determinations were performed with extracts from leaves and branches of peach tree. Immunodetection in leaf extract was realized by SDS-PAGE-immunoblotting with patient sera and rabbit serum anti-Pru p 3...
March 20, 2017: Allergy
https://www.readbyqxmd.com/read/28314756/predicting-occupational-asthma-and-rhinitis-in-bakery-workers-referred-for-clinical-evaluation
#2
Badri Sadat Jonaid, Jos Rooyackers, Erik Stigter, Lützen Portengen, Esmeralda Krop, Dick Heederik
BACKGROUND: Occupational allergic diseases are a major problem in some workplaces like in the baking industry. Diagnostic rules have been used in surveillance but not yet in the occupational respiratory clinic. OBJECTIVE: To develop diagnostic models predicting baker's asthma and rhinitis among bakery workers at high risk of sensitisation to bakery allergens referred to a specialised clinic. METHODS: As part of a medical surveillance programme, clinical evaluation was performed on 436 referred Dutch bakery workers at high risk for sensitisation to bakery allergens...
March 17, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28299723/mold-and-human-health-a-reality-check
#3
REVIEW
Andrea T Borchers, Christopher Chang, M Eric Gershwin
There are possibly millions of mold species on earth. The vast majority of these mold spores live in harmony with humans, rarely causing disease. The rare species that does cause disease does so by triggering allergies or asthma, or may be involved in hypersensitivity diseases such as allergic bronchopulmonary aspergillosis or allergic fungal sinusitis. Other hypersensitivity diseases include those related to occupational or domiciliary exposures to certain mold species, as in the case of Pigeon Breeder's disease, Farmer's lung, or humidifier fever...
March 16, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28290621/contact-sensitization-of-children-referred-to-the-dermatology-department-of-the-university-federico-ii-of-naples-italy-a-two-decade-years-history
#4
Serena Lembo, Claudio Lembo, Cataldo Patruno, Pasquale Cuomo, Fabio Ayala, Nicola Balato, Anna Balato
BACKGROUND: Contact sensitization (CS) and allergic contact dermatitis (ACD) were once thought to be rare in children. The aim of our study was to assess CS and ACD in children affected by eczematous conditions referring to our contact and occupational dermatoses service, and to compare the obtained data to the results of a similar study performed in our Department in late eighties. METHODS: A retrospective analysis of patch test data from the Database of Contact Allergy of the Dermatology Department - University Federico II of Naples was performed...
March 14, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28276782/respiratory-symptoms-and-lung-function-in-relation-to-wood-dust-and-monoterpene-exposure-in-the-wood-pellet-industry
#5
Håkan Löfstedt, Katja Hagström, Ing-Liss Bryngelsson, Mats Holmström, Anna Rask-Andersen
INTRODUCTION: Wood pellets are used as a source of renewable energy for heating purposes. Common exposures are wood dust and monoterpenes, which are known to be hazardous for the airways. The purpose of this study was to study the effect of occupational exposure on respiratory health in wood pellet workers. MATERIALS AND METHODS: Thirty-nine men working with wood pellet production at six plants were investigated with a questionnaire, medical examination, allergy screening, spirometry, and nasal peak expiratory flow (nasal PEF)...
March 1, 2017: Upsala Journal of Medical Sciences
https://www.readbyqxmd.com/read/28251426/occupational-latex-allergy-the-current-state-of-affairs
#6
REVIEW
Olivier Vandenplas, Monika Raulf
PURPOSE OF REVIEW: Allergy to natural rubber latex (NRL) reached epidemic proportions during the nineties and led to intense preventive efforts. The aim of this review was to provide a comprehensive compilation of the current status of occupational NRL allergy. RECENT FINDINGS: Recent advances led to the characterization of 15 NRL allergens and the development of assays for measuring the allergen content of NRL materials and specific IgE antibodies against NRL allergen components...
March 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28245002/-diagnostic-accuracy-of-specific-ige-antibodies-measurements-in-occupational-airway-allergy-to-high-molecular-weight-agents
#7
Joanna Zgorzelska-Kowalik, Jolanta Walusiak-Skorupa, Ewa Nowakowska-Świrta, Marta Wiszniewska
BACKGROUND: The performance of specific inhalation challenge test (SICT) - reference method in diagnostics of occupational allergy - has some limitations due to health status of a particular patient. Therefore, it is extremely important to identify usefulness of other tests, and the evaluation of diagnostic accuracy of commercially available serum specific immunoglobulin E (sIgE) kits to the most common high molecular weight agents has been launched. MATERIAL AND METHODS: The study group comprised 141 subjects - 110 bakers and 31 farmers - with suspicion of occupational airway allergy...
February 28, 2017: Medycyna Pracy
https://www.readbyqxmd.com/read/28216728/marine-and-other-aquatic-dermatoses
#8
Surg Capt Jandhyala Sridhar, Surg Cdr Rajeev Deo
Occupational and recreational aquatic activity predisposes our population to a wide variety of dermatoses. Sunburn, urticaria, jellyfish stings, and contact dermatitis to rubber equipment are common allergies that are encountered in the aquatic environment. Among the infections, tinea versicolor, intertrigo, and verruca vulgaris are widespread. Swimmer's itch may occur due to skin penetration by schistosome cercariae, while free-floating nematocysts of marine coelenterates may precipitate seabather's eruption...
January 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28203266/occupational-contact-dermatitis-from-protein-in-sea-products-who-is-the-most-affected-the-fisherman-or-the-chef
#9
B Loddé, P Cros, A M Roguedas-Contios, R Pougnet, D Lucas, J D Dewitte, L Misery
BACKGROUND: Protein contact dermatitis has frequently been reported in case studies (usually in cases involving contact with seafood products), but there are very few descriptive series. The objectives of this present study were firstly to determine the incidence of protein contact dermatitis among fishermen in France and compare it with data from onshore work involving seafood exposure. Second, to discover what factors could explain any differences. In order to answer these questions we analysed data from the French national occupational disease surveillance and prevention network (RNV3P) and occupational diseases declared to the French National Network for Monitoring and Prevention of Occupational Disease...
2017: Journal of Occupational Medicine and Toxicology
https://www.readbyqxmd.com/read/28168422/contact-allergy-to-preservatives-in-patients-with-occupational-contact-dermatitis-and-exposure-analysis-of-preservatives-in-registered-chemical-products-for-occupational-use
#10
Jakob Ferløv Schwensen, Ulrik Fischer Friis, Torkil Menné, Mari-Ann Flyvholm, Jeanne Duus Johansen
PURPOSE: The aim of the study is to investigate risk factors for sensitization to preservatives and to examine to which extent different preservatives are registered in chemical products for occupational use in Denmark. METHODS: A retrospective epidemiological observational analysis of data from a university hospital was conducted. All patients had occupational contact dermatitis and were consecutively patch tested with 11 preservatives from the European baseline series and extended patch test series during a 5-year period: 2009-2013...
February 6, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28153749/energy-landscape-of-a-gstp1-polymorph-linked-with-cytological-function-decay-in-response-to-chemical-stressors
#11
Zarrin Basharat, Azra Yasmin
Gene polymorphisms lead to varied structure and functional properties. A single nucleotide polymorphism (SNP) i.e. Ile105Val (rs1695) in glutathione S-transferase P1 (GSTP1) gene influences cytological toxicity and modulates the risk to occupational diseases. Apart from this, cancer, neuropathy, NOx, SOx and ozone mediated respiratory function decline including lung inflammation, asthma, allergy etc., have been reported in people with this missense mutation. Here, the functional properties of rs1695 polymorph are revisited through a computational approach...
April 20, 2017: Gene
https://www.readbyqxmd.com/read/28142300/dose-dependent-immunomodulating-effects-of-endotoxin-in-allergic-airway-inflammation
#12
Sudhir Kumar, Atin Adhikari
How very high exposure levels to endotoxin in a farming environment provide protection against respiratory allergic symptoms and low-to-moderate levels of endotoxin in urban homes promote allergic response is unclear. Dose-specific bacterial endotoxin or LPS-induced tolerance mechanisms can affect lung inflammations, coupled with the Th2 immune responses. Here, we explored the effects of intranasal exposure of LPS at two different doses (based on occupational exposures during handling of agricultural wastes) in OVA-sensitized allergic wild type (WT) and TLR4-KO mice, particularly, with respect to Th2 cytokines and Tregs level...
January 1, 2017: Innate Immunity
https://www.readbyqxmd.com/read/28141629/a-wide-scope-of-new-developments-in-occupational-allergy-and-clinical-immunology
#13
Susan M Tarlo, Piero Maestrelli
No abstract text is available yet for this article.
January 30, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28138235/interactions-between-single-nucleotide-polymorphism-of-serpina1-gene-and-smoking-in-association-with-copd-a-case-control-study
#14
Xiaowei Deng, Cun-Hua Yuan, De Chang
BACKGROUND: SERPINA1 gene has been implicated in the pathogenesis of chronic obstructive pulmonary disease (COPD), while smoking is a known risk factor for COPD. Little is known on the effect of SERPINA1 gene and its interaction with smoking in the Chinese population. In this study, the effect of SERPINA1 gene polymorphisms on COPD risk and its interaction with smoking status has been investigated. METHOD: A total of 120 COPD patients and 481 healthy controls were recruited at The Armed Police Corps Hospital...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28110709/chromium-vi-contact-dermatitis-getting-closer-to-understanding-the-underlying-mechanisms-of-toxicity-and%C3%A2-sensitization
#15
Jeroen Buters, Tilo Biedermann
Various haptens trigger innate immune pathways and/or induce cytotoxicity as a part of sensitization. Adam et al. decipher in vitro the mechanisms by which chromium(VI) induces inflammation, the likely prerequisites for toxicity, sensitization, and allergic contact dermatitis against chromium(VI). Importantly, and in line with other observations, chromium(VI), but not chromium(III) (or Ni(II)), induces mitochondrial reactive oxygen species accumulation. Mitochondrial reactive oxygen species in turn activate the NLRP3 inflammasome, allowing increased IL-1β processing and secretion, which likely underlies both chromium(VI)-induced cutaneous toxicity and sensitization...
February 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28093332/chitin-and-chitinase-role-in-pathogenicity-allergenicity-and-health
#16
REVIEW
Seema Patel, Arun Goyal
Chitin, a polysaccharide with particular abundance in fungi, nematodes and arthropods is immunogenic. It acts as a threat to other organisms, to tackle which they have been endowed with chitinase enzyme. Even if this enzyme is not present in all organisms, they possess proteins having chitin-binding domain(s) (ChtBD). Many lethal viruses like Ebola, and HCV (Hepatitis C virus) have these domains to manipulate their carriers and target organisms. In keeping with the basic rule of survival, the self-origin (own body component) chitins and chitinases are protective, but that of non-self origin (from other organisms) are detrimental to health...
April 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28050486/patch-test-as-a-diagnostic-tool-in-hand-eczema
#17
Natarajan Vigneshkarthik, Satyaki Ganguly, Sheela Kuruvila
INTRODUCTION: Allergic contact dermatitis is an important cause of hand eczema. Patch testing is the only investigation available to prove the diagnosis of allergic contact dermatitis. Exposures to allergens differ according to geographical, occupational, economic and social factors. Accordingly, patterns of allergic contact dermatitis differ in different parts of the world and different regions of the same country. AIM: To study the causes of allergic contact dermatitis in adult patients with hand eczema with the help of patch testing...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28039304/allergen-valency-dose-and-fc%C3%AE%C2%B5ri-occupancy-set-thresholds-for-secretory-responses-to-pen-a-1-and-motivate-design-of-hypoallergens
#18
Avanika Mahajan, Lama A Youssef, Cédric Cleyrat, Rachel Grattan, Shayna R Lucero, Christopher P Mattison, M Frank Erasmus, Bruna Jacobson, Lydia Tapia, William S Hlavacek, Mark Schuyler, Bridget S Wilson
Ag-mediated crosslinking of IgE-FcεRI complexes activates mast cells and basophils, initiating the allergic response. Of 34 donors recruited having self-reported shrimp allergy, only 35% had significant levels of shrimp-specific IgE in serum and measurable basophil secretory responses to rPen a 1 (shrimp tropomyosin). We report that degranulation is linked to the number of FcεRI occupied with allergen-specific IgE, as well as the dose and valency of Pen a 1. Using clustered regularly interspaced palindromic repeat-based gene editing, human RBL(rαKO) cells were created that exclusively express the human FcεRIα subunit...
February 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28039199/occupational-allergy-to-fruit-flies-drosophila-melanogaster-in-laboratory-workers
#19
Meinir Jones, Sue Blair, Stephanie MacNeill, Jennifer Welch, Alice Hole, Peter Baxter, Paul Cullinan
OBJECTIVES: Drosophila melanogaster (the 'fruit fly') is commonly used in genetic research, but there is only one report of IgE-associated allergy in exposed workers. 4 newly identified cases prompted us to examine the extent of this problem in a university laboratory. Our aim in this study is to determine the prevalence and determinants of sensitisation to fruit flies in a population of exposed workers. METHODS: In a cross-sectional study, we surveyed 286 employees working in a department carrying out research involving D...
December 30, 2016: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28032352/patch-testing-with-rubber-series-in-europe-a-critical-review-and-recommendation
#20
Katharine L Warburton, Wolfgang Uter, Johannes Geier, Radoslaw Spiewak, Vera Mahler, Marie-Noëlle Crépy, Marie-Louise Schuttelaar, Andrea Bauer, Mark Wilkinson
BACKGROUND: Rubber additives constitute an important group of contact allergens, particularly in certain occupations. OBJECTIVES: To collect information regarding the current practice of using a 'rubber series' in Europe, and discuss this against the background of evidence concerning the prevalence of allergy in order to derive a recommendation for a 'European rubber series'. METHODS: The following were performed: (i) a survey targeting all members of the COST action 'StanDerm' consortium, (ii) analysis of rubber contact allergy data in the database of the European Surveillance System on Contact Allergies, and (iii) a literature review...
December 28, 2016: Contact Dermatitis
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