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Metal allergy

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https://www.readbyqxmd.com/read/28319310/cxcl4-is-a-novel-nickel-binding-protein-and-augments-nickel-allergy
#1
Toshinobu Kuroishi, Kanan Bando, Yukinori Tanaka, Kaori Shishido, Masayuki Kinbara, Tomohisa Ogawa, Koji Muramoto, Yasuo Endo, Shunji Sugawara
BACKGROUND: Nickel (Ni) is the most frequent metal allergen and induces a TH1 -dependent type-IV allergy. Although Ni(2+) is considered to bind to endogenous proteins, it currently remains unclear whether these Ni-binding proteins are involved in Ni allergy in vivo. We previously reported the adjuvant effects of lipopolysaccharide (LPS) in a Ni allergy mouse model. Since LPS induces a number of inflammatory mediators, we hypothesized that Ni-binding protein(s) are also induced by LPS...
March 20, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28300831/immunoproteomic-identification-and-characterization-of-ni-2-regulated-proteins-implicates-ni-2-in-the-induction-of-monocyte-cell-death
#2
Annika Jakob, Franz Mussotter, Stefanie Ohnesorge, Lisa Dietz, Julian Pardo, Ian D Haidl, Hermann-Josef Thierse
Nickel allergy is the most common cause of allergic reactions worldwide, with cutaneous and systemic effects potentially affecting multiple organs. Monocytes are precursors of not only macrophages but also dendritic cells, the most potent activators of nickel hypersensitivity. Monocytes are themselves important antigen-presenting cells, capable of nickel-specific T-cell activation in vivo and in vitro, in addition to being important for immediate innate immune inflammation. To elucidate early Ni(2+)-dependent inflammatory molecular mechanisms in human monocytes, a Ni(2+)-specific proteomic approach was applied...
March 16, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28288455/diagnostic-tools-for-doctors-evaluation-of-tattoo-complications
#3
Jørgen Serup
Diagnosis of tattoo complications is a multi-facetted field since many clinical entities and disease mechanisms are represented. Infections, allergies, and pigment foreign body reactions with granuloma are the major groups. The clinician needs a structured approach to diagnosis and an armamentarium of standard tests. Diagnosis primarily builds on patient history, objective clinical examination, and punch biopsy, supplemented with microbiology testing, ultrasound scanning, and clinical photography. Evaluation of allergic tattoo reactions and allergy to pigments by patch testing is not applicable and has a falsely negative outcome except for the diagnosis of allergy to metals and preservatives...
2017: Current Problems in Dermatology
https://www.readbyqxmd.com/read/28243563/comparison-of-four-functionalization-methods-of-gold-nanoparticles-for-enhancing-the-enzyme-linked-immunosorbent-assay-elisa
#4
Paula Ciaurriz, Fátima Fernández, Edurne Tellechea, Jose F Moran, Aaron C Asensio
The enzyme-linked immunosorbent assay (ELISA) technique is based on the specific recognition ability of the molecular structure of an antigen (epitope) by an antibody and is likely the most important diagnostic technique used today in bioscience. With this methodology, it is possible to diagnose illness, allergies, alimentary fraud, and even to detect small molecules such as toxins, pesticides, heavy metals, etc. For this reason, any procedures that improve the detection limit, sensitivity or reduce the analysis time could have an important impact in several fields...
2017: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/28220366/zirconia-implants-and-peek-restorations-for-the-replacement-of-upper-molars
#5
José María Parmigiani-Izquierdo, María Eugenia Cabaña-Muñoz, José Joaquín Merino, Arturo Sánchez-Pérez
BACKGROUND: One of the disadvantages of the zirconia implants is the lack of elasticity, which is increased with the use of ceramic or zirconia crowns. The consequences that could result from this lack of elasticity have led to the search for new materials with improved mechanical properties. CASE PRESENTATION: A patient who is a 45-year-old woman, non-smoker and has no medical record of interest with a longitudinal fracture in the palatal root of molar tooth 1...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28199353/oral-administration-of-lactobacillus-paracasei-l9-attenuates-pm2-5-induced-enhancement-of-airway-hyperresponsiveness-and-allergic-airway-response-in-murine-model-of-asthma
#6
Xifan Wang, Yan Hui, Liang Zhao, Yanling Hao, Huiyuan Guo, Fazheng Ren
This study investigated allergy immunotherapy potential of Lactobacillus paracasei L9 to prevent or mitigate the particulate matter 2.5 (PM2.5) enhanced pre-existing asthma in mice. Firstly, we used a mouse model of asthma (a 21-day ovalbumin (OVA) sensitization and challenge model) followed by PM2.5 exposure twice on the same day of the last challenge. PM2.5 was collected from the urban area of Beijing and underwent analysis for metals and polycyclic aromatic hydrocarbon contents. The results showed that PM2...
2017: PloS One
https://www.readbyqxmd.com/read/28167868/allergy-in-total-knee-replacement-does-it-exist-review-article
#7
REVIEW
Martin Faschingbauer, Lisa Renner, Friedrich Boettner
BACKGROUND: There is little data on whether preexisting allergies to implant materials and bone cement have an impact on the outcome of TKA. QUESTIONS/PURPOSES: This review article analyzes the current literature to evaluate the prevalence and importance of metal and cement allergies for patients undergoing total knee arthroplasty. METHODS: A review of the literature was performed using the following search criteria: "knee," "arthroplasty," and "allergy" as well as "knee," "arthroplasty," and "hypersensitivity...
February 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28150339/retrospective-analysis-of-the-clinical-response-of-palmoplantar-pustulosis-after-dental-infection-control-and-dental-metal-removal
#8
Michiyoshi Kouno, Akihiro Nishiyama, Masaki Minabe, Naohiko Iguchi, Kenichiro Ukichi, Takeshi Nomura, Akira Katakura, Shinichi Takahashi
Both metal allergy and dental focal infection have been considered as causative factors for palmoplantar pustulosis, and several case reports described that the skin lesions were ameliorated after dental metal removal or dental infection control. However, limited data are available to evaluate the association of these factors with disease severity of palmoplantar pustulosis. This study is designed to analyze the clinical outcome of 85 palmoplantar pustulosis patients after dental infection control (n = 70), tonsillectomy (n = 6) and dental metal removal (n = 9)...
February 2, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28120332/experimental-patch-testing-with-chromium-coated-materials
#9
David Bregnbak, Jacob P Thyssen, Morten S Jellesen, Claus Zachariae, Jeanne D Johansen
BACKGROUND: Chromium coatings on metal alloys can be decorative, and prevent corrosion and metal ion release. We recently showed that handling of a chromium-containing disc resulted in chromium deposition on the skin. OBJECTIVES: To examine patch test reactivity to chromium-coated discs. METHODS: We included 15 patients: 10 chromium-allergic patients, and 5 patients without chromium allergy. All were patch tested with potassium dichromate, cobalt chloride, nickel sulfate, and nine different metallic discs...
January 25, 2017: Contact Dermatitis
https://www.readbyqxmd.com/read/28108751/-compatibility-and-allergies-of-osteosynthesis-materials
#10
M Thomsen, P Thomas
Metal implants for osteosynthesis are nowadays standard in orthopedic and trauma surgery. Steel implants, especially cerclages, bands and wires, can show more corrosion due to friction and lead to encapsulation in connective tissue with fluid borders even without loosening. Corrosion and fluid borders are potentially more susceptible to incompatibility and infections. Titanium implants have the advantage of better allergic compatibility. Problems may occur in material removal, especially with titanium implants because material fractures occur more frequently...
January 20, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28089777/bioresorbable-vascular-scaffold-to-treat-malignant-in-stent-restenosis-in-a-patient-with-nickel-allergy
#11
Alfonso Jurado-Román, María T López-Lluva, Ignacio Sánchez-Pérez, Jesús Piqueras-Flores, Ramón Maseda, Fernando Lozano-Ruíz-Poveda
Nickel is the most frequent allergen in patients with allergic contact dermatitis and nickel allergy has been associated with recurrent in-stent restenosis. However, it is often misdiagnosed because of a low suspicion threshold. It should be discarded in patients with recurrent in-stent restenosis, especially if their medical history reveals prior contact dermatitis. It is also noteworthy and rarely specified that even newer generation stents that use novel metal alloys also contain low amounts of nickel. To avoid the implantation of new stents containing this metal, when percutaneous coronary intervention is indicated, drug eluting balloons or bioresorbable vascular scaffolds associated with small doses of steroids could provide good alternatives of treatment...
January 2, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28070650/revision-total-knee-arthroplasty-due-to-bone-cement-and-metal-hypersensitivity
#12
Ioannis P Stathopoulos, Nicolaos Andrianopoulos, Dimitrios Paschaloglou, Ioannis Tsarouchas
INTRODUCTION: Hypersensitivity to implants is a rare complication of total knee arthroplasty (TKA). Metal and, less frequently, bone cement can produce allergic symptomatology that if unresponsive to conservative treatment could lead to revision. MATERIALS AND METHODS: We present the case of a patient with generalized pruritus and metal taste starting during the first postoperative month after TKA. Dermal allergy exams revealed that the patient had hypersensitivity to nickel sulphate and cobalt chloride and bone cement...
February 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28043850/allergies-in-orthopaedic-and-trauma-surgery
#13
REVIEW
C H Lohmann, R Hameister, G Singh
Hypersensitivity reactions to implants in orthopaedic and trauma surgery are a rare but devastating complication. They are considered as a delayed-type of hypersensitivity reaction (type IV), characterized by an antigen activation of sensitized T-lymphocytes releasing various cytokines and may result in osteoclast activation and bone resorption. Potential haptens are originated from metal alloys or bone-cement. A meta-analysis has confirmed a higher probability of developing a metal hypersensitivity postoperatively and noted a greater risk of failed replacements compared to stable implants...
February 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28000266/zirconia-dental-implants-where-are-we-now-and-where-are-we-heading
#14
REVIEW
Norbert Cionca, Dena Hashim, Andrea Mombelli
Despite decades of titanium as the gold standard in oral implantology, the search for alternatives has been growing. High esthetic standards and increasing incidence of titanium allergies, along with a rising demand for metal-free reconstructions, have led to the proposal of ceramics as potential surrogates. Following numerous experimental studies, zirconium dioxide (zirconia) has earned its place as a potential substitute for titanium in implantology. Yet, despite zirconia's excellent biocompatibility and tissue integration, low affinity to plaque and favorable biomechanical properties, early failures were significantly higher for zirconia implants than for titanium implants...
February 2017: Periodontology 2000
https://www.readbyqxmd.com/read/27995484/metal-hypersensitivity-reactions-to-orthopedic-implants
#15
REVIEW
Wendy Z W Teo, Peter C Schalock
Total hip and knee replacement surgery using metal alloy devices is common. Type IV allergic reactions to these implants occur, though infrequently. While uncommon, peri-implant metal allergic reactions may cause significant morbidity for the affected individual-including aseptic loosening, pseudotumor formation and frank device failure. It is challenging to predict who will have these reactions, even in those with established pre-implant metal allergy. At this time, the scientific literature clearly supports few conclusions...
March 2017: Dermatology and Therapy
https://www.readbyqxmd.com/read/27919164/differences-in-allergic-inflammatory-responses-in-murine-lungs-comparison-of-pm2-5-and-coarse-pm-collected-during-the-hazy-events-in-a-chinese-city
#16
Miao He, Takamichi Ichinose, Seiichi Yoshida, Fumiko Shiba, Keiichi Arashidani, Hirohisa Takano, Guifan Sun, Takayuki Shibamoto
Urban particulate matter (PM) is associated with an increase in asthma. PM2.5 (<PM2.5 μm) and coarse PM (CPM: PM2.5-PM10 μm) were collected from the air in a Chinese city during haze events. The amounts of polycyclic aromatic hydrocarbons (PAHs) were higher in PM2.5 than in CPM. Conversely, microbial elements LPS and β-glucan were much higher in CPM than in PM2.5. Concentrations of Si, Al, Fe, and Ti in CPM were greater than in PM2.5, while Pb, Cu and As concentrations were lower than in PM2.5. When RAW264...
December 2016: Inhalation Toxicology
https://www.readbyqxmd.com/read/27894522/nickel-free-vs-conventional-braces-for-patients-allergic-to-nickel-gingival-and-blood-parameters-during-and-after-treatment
#17
Camila Alessandra Pazzini, Luciano José Pereira, Leandro Silva Marques, Joana Ramos-Jorge, Tarcília Aparecida da Silva, Saul Martins Paiva
INTRODUCTION: Allergic and inflammatory reactions have commonly been associated with the release of metal ions during orthodontic treatment. Our objective was to evaluate prospectively gingival and blood status in patients allergic to nickel. METHODS: Allergy to nickel was diagnosed using a patch test. Two groups were established: conventional braces (n = 21) and nickel-free braces (n = 21). The gingival index was used to determine gingival status before treatment, periodically for 12 months (evaluations every 3 months), and 1 month after the removal of the braces...
December 2016: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/27881114/hypersensitivity-reactions-to-metal-implants-laboratory-options
#18
Anna Maria Carossino, Christian Carulli, Simone Ciuffi, Roberto Carossino, Giorgia Donata Zappoli Thyrion, Roberto Zonefrati, Massimo Innocenti, Maria Luisa Brandi
BACKGROUND: All implant compounds undergo an electrochemical process when in contact with biological fluids, as well as mechanical corrosion due to abrasive wear, with production of metal debris that may inhibit repair processes. None of the commonly-used methods can diagnose implant allergies when used singly, therefore a panel of tests should be performed on allergic patients as pre-operative screening, or when a postoperative metal sensitisation is suspected. METHODS: We analysed patients with painful prostheses and subjects prone to allergies using the Patch Test in comparison with the Lymphocyte Transformation Test...
November 23, 2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27826019/molecular-cloning-expression-and-ige-immunoreactivity-of-phospholipase-a1-a-major-allergen-from-polybia-paulista-hymenoptera-vespidae-venom
#19
Amilcar Perez-Riverol, Franco Dani Campos Pereira, Alexis Musacchio Lasa, Luis Gustavo Romani Fernandes, José Roberto Aparecido Dos Santos-Pinto, Débora Lais Justo-Jacomini, Gabriel Oliveira de Azevedo, Murilo Luiz Bazon, Mario Sergio Palma, Ricardo de Lima Zollner, Márcia Regina Brochetto-Braga
Polybia paulista (Hymenoptera: Vespidae) is a clinically relevant social wasp that frequently causes stinging accidents in southeast Brazil. To date, diagnosis and specific immunotherapy (SIT) of allergy are based on the use of crude venom extracts. Production of recombinant forms of major allergens from P. paulista venom will improve diagnosis and SIT of allergic patients by reducing the incidence of cross-reactivity and non-specific sensitization. Here, we describe the molecular cloning, heterologous expression, purification and IgE-mediated immunodetection of phospholipase A1 (Poly p 1), a major allergen from P...
December 15, 2016: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/27824862/delayed-type-hypersensitivity-to-metals-of-environmental-burden-in-patients-with-takotsubo-syndrome-is-there-a-clinical-relevance
#20
Jan Manousek, Vera Stejskal, Petr Kubena, Jiri Jarkovsky, Petr Nemec, Petr Lokaj, Ludmila Dostalova, Andrea Zadakova, Marie Pavlusova, Klara Benesova, Petr Kala, Roman Miklik, Jindrich Spinar, Jiri Parenica
OBJECTIVE: Takotsubo syndrome (TS) is a heart condition characterised by a sudden transient left ventricular dysfunction; its pathophysiology is probably associated with elevated levels of catecholamines but the exact mechanism is not known as yet. Literature and clinical experience suggest that TS affects persons with various comorbidities. This pilot work aims to evaluate the frequency of comorbidities with potential pathological immune reactivity, and to evaluate the potential association between TS and hypersensitivity to metals assessed by LTT-MELISA®...
2016: PloS One
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