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https://www.readbyqxmd.com/read/29792201/cerium-dioxide-nanoparticles-exacerbate-house-dust-mite-induced-type-ii-airway-inflammation
#1
Kirsty Meldrum, Sarah B Robertson, Isabella Römer, Tim Marczylo, Lareb S N Dean, Andrew Rogers, Timothy W Gant, Rachel Smith, Terry D Tetley, Martin O Leonard
BACKGROUND: Nanomaterial inhalation represents a potential hazard for respiratory conditions such as asthma. Cerium dioxide nanoparticles (CeO2 NPs) have the ability to modify disease outcome but have not been investigated for their effect on models of asthma and inflammatory lung disease. The aim of this study was to examine the impact of CeO2 NPs in a house dust mite (HDM) induced murine model of asthma. RESULTS: Repeated intranasal instillation of CeO2 NPs in the presence of HDM caused the induction of a type II inflammatory response, characterised by increased bronchoalveolar lavage eosinophils, mast cells, total plasma IgE and goblet cell metaplasia...
May 23, 2018: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/29791992/role-of-the-duodenum-in-the-pathogenesis-of-functional-dyspepsia-a-paradigm-shift
#2
REVIEW
Hye-Kyung Jung, Nicholas J Talley
Functional dyspepsia (FD) is a common disorder characterized by chronic epigastric pain or burning, or bothersome postprandial fullness or early satiation, without a definitive organic cause. The pathogenesis of FD is likely heterogeneous. Classically, motor disorders, visceral hypersensitivity, and brain-gut interactions have been implicated in the pathophysiology of FD, but recently an important role for chronic low-grade inflammation and post-infectious gastroenteritis in FD has been reported and confirmed...
May 23, 2018: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/29790577/esophageal-igg4-levels-correlate-with-histopathologic-and-transcriptomic-features-in-eosinophilic-esophagitis
#3
Chen E Rosenberg, Melissa K Mingler, Julie M Caldwell, Margaret H Collins, Patricia C Fulkerson, David W Morris, Vincent A Mukkada, Philip E Putnam, Tetsuo Shoda, Ting Wen, Marc E Rothenberg
BACKGROUND: Recent data associate eosinophilic esophagitis (EoE) with IgG4 rather than IgE, but its significance and function have not been determined. Our aims were to measure esophageal IgG4 levels and to determine functional correlations as assessed by histologic and transcriptome analyses. METHODS: This case-control study included pediatric subjects with EoE (≥ 15 eosinophils/HPF) and non-EoE controls. Protein lysates were analyzed for IgA, IgM, and IgG1-IgG4 using the Luminex 100 system; IgE was quantified by ELISA...
May 23, 2018: Allergy
https://www.readbyqxmd.com/read/29790303/association-between-reappearance-of-myeloperoxidase-antineutrophil-cytoplasmic-antibody-and-relapse-in-antineutrophil-cytoplasmic-antibody-associated-vasculitis-subgroup-analysis-of-nationwide-prospective-cohort-studies
#4
Haruki Watanabe, Ken-Ei Sada, Yoshinori Matsumoto, Masayoshi Harigai, Koichi Amano, Hiroaki Dobashi, Shouichi Fujimoto, Joichi Usui, Kunihiro Yamagata, Tatsuya Atsumi, Shogo Banno, Takahiko Sugihara, Yoshihiro Arimura, Seiichi Matsuo, Hirofumi Makino
OBJECTIVE: The aim of this study was to evaluate clinical links between levels of myeloperoxidase (MPO)-antineutrophil cytoplasmic antibody (ANCA) and relapse in patients with ANCA-associated vasculitis (AAV) using a data set from two nationwide prospective cohort studies. METHODS: From the cohort studies, 477 MPO-ANCA positive patients, who achieved remission during the 6 months after remission induction therapy, were enrolled. We measured MPO-ANCA levels at months 0, 3, 6, 12, 18, 24, and at the time of relapse...
May 22, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29790187/eosinophilic-annular-erythema-treated-with-dupilumab
#5
Samantha C Gordon, Sarah N Robinson, Minawaer Abudu, Michelle Her, Sandyha Deverapalli, Adrianne Levin, Birgitta A R Schmidt, Stephen E Gellis, David Rosmarin
Eosinophilic annular erythema is a rare, benign, recurrent condition characterized by annular skin lesions, tissue eosinophilia, and resistance to a variety of treatments. There are fewer than 30 cases reported in the English literature, 7 of which are in children. We present a case of recurrent eosinophilic annular erythema in an adolescent that was successfully treated with dupilumab, an interleukin-4 receptor alpha antagonist.
May 23, 2018: Pediatric Dermatology
https://www.readbyqxmd.com/read/29790076/a-case-of-jackhammer-esophagus-caused-by-eosinophilic-esophagitis-in-which-per-oral-endoscopic-myotomy-resulted-in-symptom-improvement
#6
Shinwa Tanaka, Takashi Toyonaga, Fumiaki Kawara, Daisuke Watanabe, Namiko Hoshi, Hirohumi Abe, Ryusuke Ariyoshi, Yoshiko Ohara, Tsukasa Ishida, Toshitatsu Takao, Yoshinori Morita, Eiji Umegaki
A 73-year-old female with a 6-month history of progressive dysphagia and chest pain was referred to our hospital. She underwent esophagogastroduodenoscopy, which revealed abnormally strong contractions in the distal esophagus. Esophageal biopsy specimens showed massive eosinophil infiltration into the epithelium, and high-resolution manometry (HRM) also demonstrated abnormally strong contractions in the distal esophagus. Based on these results, she was diagnosed with Jackhammer esophagus (JHE) due to eosinophilic esophagitis (EoE)...
May 22, 2018: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/29789990/fatal-pulmonary-and-cerebellar-zygomycosis-due-to-rhizomucor-pusillus-in-a-ringed-seal-pusa-hispida
#7
Shotaro Nakagun, Masako Okazaki, Takahito Toyotome, Nobuki Sugiyama, Kenichi Watanabe, Noriyuki Horiuchi, Yoshiyasu Kobayashi
A 4-year-old captive ringed seal (Pusa hispida) was treated with subcutaneous antibacterial injections for pus exuding wounds in the skin and associated blubber following a bite attack. Three months after the incident, the animal presented nystagmus and died the following day. At necropsy, there was a 25 × 18 × 25 mm well-delineated, opaque nodular mass in the lung, besides the skin ulcers and localized areas of discoloration in the blubber correlating with the bite wound and injection sites. Histopathology of the pulmonary mass demonstrated severe eosinophilic inflammatory infiltration among numerous intralesional fungal hyphae...
May 22, 2018: Mycopathologia
https://www.readbyqxmd.com/read/29789133/eosinophilic-pneumonia-induced-by-non-steroidal-anti-inflammatory-drugs-an-underestimated-risk
#8
François Krabansky, Brahim Azzouz, Josette Biya, Malak Abou Taam, Aurore Morel, Thierry Trenque
INTRODUCTION: Eosinophilic pneumonia (EP) is a rare but serious adverse drug reaction (ADR) induced by non-steroidal anti-inflammatory drugs (NSAIDs). METHODS: We describe the second published case of EP induced by oral diclofenac. We also reviewed the literature as well as French pharmacovigilance database. Case presentation A 63 year-old woman with polyarthralgia had taken diclofenac for three days for analgesic purposes. Progressively, the patient presented weakness, dyspnea and fever...
April 28, 2018: Thérapie
https://www.readbyqxmd.com/read/29785315/a-very-rare-case-of-hypereosinophilic-syndrome-secondary-to-natural-killer-t-cell-lymphoma
#9
Takanori Yamamoto, Atsushi Kamijo, Tadao Nakazawa, Kei Nakajima, Keita Kirito, Norio Komatsu, Keisuke Masuyama
Hypereosinophilic syndrome (HES) is a systemic disease characterized by an increased peripheral blood eosinophil count accompanied by systemic organ dysfunction. HES is classified into idiopathic HES, primary (neoplastic) HES (HESN ), and secondary (reactive) HES (HESR ). In this case report, a patient who developed peripheral blood eosinophilia and granulation tissue in the pharynx and paranasal sinus, which was initially diagnosed as chronic eosinophilic leukemia (CEL), categorized as HESN , but was eventually identified after the patient had died as natural killer/T-cell (NK/T) lymphoma, nasal type (ENKL), categorized as HESR , is presented...
2018: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/29785016/solid-papillary-carcinoma-with-reverse-polarity-of-the-breast-harbors-specific-morphologic-immunohistochemical-and-molecular-profile-in-comparison-with-other-benign-or-malignant-papillary-lesions-of-the-breast-a-comparative-study-of-9-additional-cases
#10
Nadjla Alsadoun, Gaëtan MacGrogan, Caroline Truntzer, Magali Lacroix-Triki, Isabelle Bedgedjian, Marie-Hélène Koeb, Elsy El Alam, Dan Medioni, Michel Parent, Pascal Wuithier, Isabelle Robert, Romain Boidot, Laurent Arnould
Solid papillary carcinoma with reverse polarity is a rare breast cancer of favorable prognosis that can be difficult to diagnose. We report here nine additional cases of this tumor, and we describe its morphologic, immunohistochemical and molecular profile in comparison to other types of papillary and micropapillary lesions of the breast that are intraductal papilloma with usual ductal hyperplasia, encapsulated papillary carcinoma, solid papillary carcinoma and invasive micropapillary carcinoma. We studied nine cases of this special papillary tumor and six of each other types mentioned above...
May 21, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29783804/-acquired-cystic-kidney-disease-associated-renal-cell-carcinoma-a-clinicopathologic-study-of-three-cases
#11
W Zhang, L L Xu, W J Yu, Q Wang, Y X Jiang, Y Liu, Y J Li
Objective: To study the clinicopathologic, immunohistochemical (IHC), histogenetic and prognostic features of acquired cystic kidney disease-associated renal cell carcinoma (ACKD-RCC). Methods: Three cases of ACKD-RCC, including two from 401 Hospital of PLA and one from the Affiliated Hospital of Qingdao University were studied by clinical, histological and IHC analysis with review of relevant literature. Results: All the three patients were male, ranging from 46 to 78 years old. All patients had history of chronic renal failure; two patients were treated with hemodialysis for 9 years and 11 years, respectively...
May 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29782308/activation-of-herpes-simplex-infection-after-tattoo
#12
Antigona Begolli Gerqari, Mybera Ferizi, Merita Kotori, Aferdita Daka, Syzana Hapciu, Ilir Begolli, Mirije Begolli, Idriz Gerqari
Tattooing is a procedure where ink is applied to an area of the skin, mostly intraepidermally (1). This procedure is carried out mainly for aesthetic purposes. Lately, it has been used as a corrective medical procedure following amputation of mammilla. The procedure is aggressive (2), and the fact that skin is punctured many times with the same needle which cannot be fully sterilized may cause infection of the treated area with bacterial, fungal, or viral agents that may lead to health consequences manifesting in the form of verrucae vulgaris, molluscum contagiosum, and herpes simplex...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29782306/urticarial-lesions-in-a-pregnant-woman
#13
Sergio Santos-Alarcón, Cesar Benavente-Villegas, Isabel García-Briz, Magdalena Moneva-Léniz, Celia Sanchis-Sánchez, Almudena Mateu-Puchades
Dear Editor, Gestational pemphigoid (GP) is a rare autoimmune bullous dermatosis in pregnancy. GP usually occurs during the second or third month of pregnancy. It clinically manifests as the development of either early-onset urticarial lesions or late-onset subepidermal blisters that may linger for weeks or even months. Herein we report the case of a 45-year-old woman with the distinctive clinical onset of GP. A forty-five-year-old woman, gravida I, para 0, at 27 weeks gestation, was referred for evaluation to our Department with an extensive pruritic eruption that had developed over the previous 7 days...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29782217/dupilumab-efficacy-and-safety-in-moderate-to-severe-uncontrolled-asthma
#14
Mario Castro, Jonathan Corren, Ian D Pavord, Jorge Maspero, Sally Wenzel, Klaus F Rabe, William W Busse, Linda Ford, Lawrence Sher, J Mark FitzGerald, Constance Katelaris, Yuji Tohda, Bingzhi Zhang, Heribert Staudinger, Gianluca Pirozzi, Nikhil Amin, Marcella Ruddy, Bolanle Akinlade, Asif Khan, Jingdong Chao, Renata Martincova, Neil M H Graham, Jennifer D Hamilton, Brian N Swanson, Neil Stahl, George D Yancopoulos, Ariel Teper
Background Dupilumab is a fully human anti-interleukin-4 receptor α monoclonal antibody that blocks both interleukin-4 and interleukin-13 signaling. We assessed its efficacy and safety in patients with uncontrolled asthma. Methods We randomly assigned 1902 patients 12 years of age or older with uncontrolled asthma in a 2:2:1:1 ratio to receive add-on subcutaneous dupilumab at a dose of 200 or 300 mg every 2 weeks or matched-volume placebos for 52 weeks. The primary end points were the annualized rate of severe asthma exacerbations and the absolute change from baseline to week 12 in the forced expiratory volume in 1 second (FEV1 ) before bronchodilator use in the overall trial population...
May 21, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29781718/comparsion-of-staining-characteristics-of-toto-bodies
#15
S S Padala, M A Kiresur, A Ananthaneni, V S Guduru, H K Puneeth, B Bhavana
Toto bodies are eosinophilic structures that resemble the cells of the superficial cell layer of the oral epithelium. Toto bodies commonly are associated with inflammatory gingival and other mucosal lesions including pyogenic granuloma, irritational fibroma, epulis fissuratum, peripheral giant cell granuloma and inflammatory hyperplastic gingivitis. We evaluated staining characteristics of Toto bodies to establish their origin and to identify their significance in lesions. We investigated pyogenic granuloma, fibroma and leukoplakia with epithelium that exhibited Toto bodies after hematoxylin and eosin (staining...
May 21, 2018: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/29781185/helper-t-cell-responses-and-pulmonary-fungal-infections
#16
REVIEW
Andrew J McDermott, Bruce S Klein
The mucosal surface of the respiratory tract encounters microbes, such as fungal particles, with every inhaled breath. When pathogenic fungi breach the physical barrier and innate immune system within the lung to establish an infection, adaptive immunity is engaged often in the form of helper CD4 T-cell responses. Type 1 responses, characterized by IFNγ production from CD4 cells, promote clearance of Histoplasma capsulatum and Cryptococcus neoformans infection. Likewise, IL-17A production from Th17 cells promotes immunity to Blastomyces dermatitidis and Coccidiodes species infection by recruiting neutrophils...
May 20, 2018: Immunology
https://www.readbyqxmd.com/read/29780792/eosinophilic-esophagitis-is-an-underlying-cause-for-gastrointestinal-concerns-in-children
#17
REVIEW
Kunsong Lee, Glenn T Furuta, Nathalie Nguyen
Eosinophilic esophagitis (EoE) is a chronic immune antigen-mediated disorder characterized by symptoms of esophageal dysfunction in combination with dense esophageal eosinophilia. The clinical presentation of EoE can vary depending on children's age and their ability to report symptoms, therefore a high index of suspicion for EoE is required because children and teenagers may develop coping strategies around eating. The development of symptoms measurement tools in EoE assists in not only assessing symptoms, but also coping strategies children may have developed...
2018: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29780440/an-algorithmic-approach-to-the-management-of-infantile-digital-fibromatosis-review-of-literature-and-a-case-report
#18
Elizabeth H Eypper, Johnson C Lee, Ashley J Tarasen, Maxene H Weinberg, Oluwaseun A Adetayo
Objective: Infantile digital fibromatosis is a rare benign childhood tumor, infrequently cited in the literature. Hallmarks include nodular growths exclusive to fingers and toes and the presence of eosinophilic cytoplasmic inclusions on histology. This article aims to exemplify diagnoses of infantile digital fibromatosis and possible treatment options. Methods: A computerized English literature search was performed in the PubMed/MEDLINE database using MeSH headings "infantile," "juvenile," "digital," and "fibromatosis...
2018: Eplasty
https://www.readbyqxmd.com/read/29780238/update-on-new-biologics-for-intractable-eosinophilic-asthma-impact-of-reslizumab
#19
REVIEW
Jagdeep Sahota, Douglas S Robinson
A small percentage of patients with asthma have uncontrolled symptoms and frequent exacerbations, despite treatment with inhaled corticosteroids and other agents. It has become clear that different subtypes of this severe, treatment-resistant group exist due to different mechanisms of the disease. All such patients require detailed assessment in specialist centers to characterize the disease and assess treatment adherence. Recently, monoclonal antibodies have become available, which target specific pathways that may contribute to persistent inflammation and asthma exacerbations...
2018: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29779416/long-term-triple-therapy-de-escalation-to-indacaterol-glycopyrronium-in-copd-patients-sunset-a-randomized-double-blind-triple-dummy-clinical-trial
#20
Kenneth R Chapman, John R Hurst, Stefan-Marian Frent, Michael Larbig, Robert Fogel, Tadhg Guerin, Donald Banerji, Francesco Patalano, Pankaj Goyal, Pascal Pfister, Konstantinos Kostikas, Jadwiga A Wedzicha
RATIONALE: There are no studies on ICS withdrawal in patients on long-term triple therapy in the absence of frequent exacerbations. OBJECTIVE: To evaluate the efficacy and safety of the direct de-escalation from long-term triple therapy to indacaterol/glycopyrronium in non-frequently exacerbating COPD patients. METHODS: This 26-week, randomized, double-blind, triple-dummy study assessed the direct change from long-term triple therapy to indacaterol/glycopyrronium (110/50μg once daily) or continuation of triple therapy (tiotropium 18μg once daily plus combination of salmeterol/fluticasone propionate [50/500μg] twice daily) in non-frequently exacerbating patients with moderate-to-severe COPD...
May 20, 2018: American Journal of Respiratory and Critical Care Medicine
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