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Bullous pemphigoid

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https://www.readbyqxmd.com/read/29341355/reflectance-confocal-microscopy-and-optical-coherence-tomography-for-the-diagnosis-of-bullous-pemphigoid-and-pemphigus-and-surrounding-sub-clinical-lesions
#1
V D Mandel, E Cinotti, E Benati, B Labeille, S Ciardo, C Vaschieri, F Cambazard, J L Perrot, G Pellacani
BACKGROUND: Diagnosis of bullous pemphigoid (BP) and pemphigus is based on clinical features, histology, immunofluorescence and laboratory data. OBJECTIVES: To evaluate features of BP and pemphigus at reflectance confocal microscopy (RCM) and optical coherence tomography (OCT) in order to provide a rapid non-invasive bed-side diagnosis. Secondary objective was to evaluate the detectability of clinically non-visible lesions. METHODS: This was an observational, retrospective, multicentre study in which patients with suspicious lesions for BP or pemphigus underwent clinical assessment, RCM, OCT, blood tests and skin biopsy for histological and direct immunofluorescence examinations from January 2014 to December 2015...
January 16, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29336324/diagnostic-value-of-autoantibody-titres-in-patients-with-bullous-pemphigoid
#2
Julia Eckardt, Franziska C Eberle, Kamran Ghoreschi
BACKGROUND: Bullous pemphigoid (BP) is the most common autoimmune blistering disease of the skin requiring skin and serum tests for a precise diagnosis. Objectives We analysed the sensitivity and specificity of BP-relevant parameters and the value of autoantibody titres during follow-up of BP patients. MATERIALS & METHODS: In a retrospective single-centre study, we included 200 consecutive patients with BP and 400 non-BP patients, and evaluated the test results of patients' serum and skin...
January 16, 2018: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/29335495/dysfunction-of-cd19-cd24hicd27-b-regulatory-cells-in-patients-with-bullous-pemphigoid
#3
Zhenfeng Liu, Erle Dang, Bing Li, Hongjiang Qiao, Liang Jin, Jieyu Zhang, Gang Wang
Bullous pemphigoid (BP) is an autoimmune blistering skin disease characterized by the production of autoantibodies against the hemidesmosomal protein BP180. B regulatory cells (Bregs) are crucial in maintaining self-tolerance and suppressing autoantibody production. However, it is still unclear whether the dysfunctions of Bregs contributes to the autoantibody production in BP patients. In this study, we found that CD19+CD24hiCD27+ Bregs and IL-10+CD19+ Bregs were significantly increased in the peripheral blood samples of BP patients compared with that in healthy controls...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29333745/increased-sensitivity-and-high-specificity-of-indirect-immunofluorescence-in-detecting-igg-subclasses-for-diagnosis-of-bullous-pemphigoid
#4
J Jankásková, O N Horváth, R Varga, P Arenberger, E Schmidt, T Ruzicka, M Sárdy
BACKGROUND: Indirect immunofluorescence (IIF) microscopy on monkey oesophagus is an important assay for the diagnosis of bullous pemphigoid (BP). Its relatively low sensitivity (60-80%) may be partly due to insufficient detection of minor IgG subclasses. AIM: To determine the operating characteristics of an IgG subclass in IIF. METHODS: We designed a retrospective, dual-centre, controlled cohort study on sera from 64 BP sera that had been rated as false negatives by traditional IIF microscopy, and assessed circulating IgG1 , IgG3 and IgG4 autoantibodies...
January 14, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29332930/bullosis-diabeticorum-a-rare-presentation-with-immunoglobulin-g-igg-deposition-related-vasculopathy-case-report-and-focused-review
#5
Hardik Sonani, Sohail Abdul Salim, Vishnu V Garla, Anna Wile, Venkataraman Palabindala
BACKGROUND Bullosis diabeticorum (BD) is a condition characterized by recurrent, spontaneous, and non-inflammatory blistering in patients with poorly controlled diabetes mellitus. While etiopathogenesis remains unclear, roles of neuropathy, vasculopathy and UV light are hypothesized. Most literature reports negative direct and indirect immunofluorescence findings in diabetics with bullous eruptions. Porphyria cutanea tarda, bullous pemphigoid, epidermolysis bullosa, and pseudoporphyria are other differential diagnoses of bullous lesions, and they must be excluded...
January 15, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29313925/ige-autoantibodies-in-bullous-pemphigoid
#6
H Ujiie
No abstract text is available yet for this article.
December 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/29313891/association-between-bullous-pemphigoid-and-malignancy-a-meta-analysis
#7
REVIEW
Richard J Lucariello, Salvadore E Villablanca, José M Mascaró, Martin Reichel
It has been suggested that bullous pemphigoid is associated with an increased risk of malignancy, but the evidence is inconsistent. Therefore, a meta-analysis was conducted to explore this association. PUBMED and Embase were searched for studies investigating the association between bullous pemphigoid and malignancy. This meta-analysis included 16 studies with a total of 9398 cases of bullous pemphigoid. The rate of malignancy in patients with bullous pemphigoid was 11% (95% CI: 9-14, P < 0.001); 9% (95% CI: 6-13, P < 0...
January 4, 2018: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/29309291/bullous-pemphigoid-like-skin-lesions-and-overt-eosinophilia-in-a-patient-with-melanoma-treated-with-nivolumab-case-report-and-review-of-the-literature
#8
Amalia Anastasopoulou, Georgios Papaxoinis, Panagiotis Diamantopoulos, Erietta Christofidou, Olga Benopoulou, Alexandros Stratigos, Helen Gogas
The widespread use of immune checkpoint inhibitors has shed light to several unusual immune-related adverse effects of the drugs. Severe cutaneous adverse reactions are generally rare with anti-PD1 agents. We present in this paper the case of a 48-year-old patient with melanoma who developed bullous pemphigoid-like skin lesions along with fever, arthralgia and overt eosinophilia following adjuvant treatment with nivolumab. The condition was successfully treated with corticosteroids and a rechallenge with another anti-PD1 agent did not lead to recurrence of the skin lesions...
January 5, 2018: Journal of Immunotherapy
https://www.readbyqxmd.com/read/29299596/clinical-and-immunological-profiles-of-14-patients-with-bullous-pemphigoid-without-igg-autoantibodies-to-the-bp180-nc16a-domain
#9
Kenta Nakama, Hiroshi Koga, Norito Ishii, Chika Ohata, Takashi Hashimoto, Takekuni Nakama
Importance: Enzyme-linked immunosorbent assay (ELISA) and/or chemiluminescent enzyme immunoassay (CLEIA) for BP180 noncollagenous 16A (NC16A) extracellular domain is a sensitive diagnostic tool for bullous pemphigoid (BP). However, some patients with BP have negative results for these assays. Objective: To elucidate the clinical and immunological features of patients with BP without antibodies that react to BP180 NC16A. Design, Setting, and Participants: This retrospective case series study included 152 patients who were diagnosed with BP and followed up at the Kurume University Hospital in Japan from 2007 to 2016...
January 3, 2018: JAMA Dermatology
https://www.readbyqxmd.com/read/29298798/phase-1-trial-of-m7824-msb0011359c-a-bifunctional-fusion-protein-targeting-pd-l1-and-tgf-%C3%AE-in-advanced-solid-tumors
#10
Julius Strauss, Christopher Heery, Jeffrey Schlom, Ravi A Madan, Liang Cao, Zhigang Kang, Elizabeth Lamping, Jennifer L Marte, Renee N Donahue, Italia Grenga, Lisa M Cordes, Olaf Christensen, Lisa Mahnke, Christoph Helwig, James L Gulley
PURPOSE: M7824 (MSB0011359C) is an innovative first-in-class bifunctional fusion protein composed of a monoclonal antibody against programmed death ligand 1 (PD-L1) fused to a transforming growth factor-β (TGF-β) "trap." Experimental DesignIn the 3+3 dose-escalation component of this phase 1 study (NCT02517398), eligible patients with advanced solid tumors received M7824 at 1, 3, 10, or 20 mg/kg once-every-2-weeks until confirmed progression, unacceptable toxicity, or trial withdrawal; additionally, a cohort received an initial 0...
January 3, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29282395/lichen-planus-pemphigoides-induced-by-enalapril-a-case-report-and-a-review-of-literature
#11
Woranit Onprasert, Kumutnart Chanprapaph
Lichen planus pemphigoides (LPP) is a rare autoimmune bullous dermatosis. The clinical presentation of LPP may mimic bullous pemphigoid making the diagnosis difficult. A thorough clinical, histopathological, and immunological evaluation is essential for the diagnosis of LPP. The etiology is largely idiopathic; however, there are several case reports of drug-induced LPP. We report an 81-year-old Thai woman with underlying hypertension and type 2 diabetes mellitus who presented with a 4-week history of multiple tense bullae initially on the hands and feet that subsequently expanded to the trunk and face...
September 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/29278440/a-novel-lateral-flow-immunoassay-for-the-rapid-detection-of-anti-dsg3-igg-serum-autoantibodies-in-pemphigus-vulgaris
#12
Thomas Schmidt, Susanne Mauracher, Lena Bender, Brandon Greene, Jonas Kurzhals, Rüdiger Eming, Ralf Dostatni, Michael Hertl
Pemphigus vulgaris (PV) is a severe autoimmune blistering disease of the skin and mucous membranes. As autoantibodies play an essential role in the disease pathogenesis, the serological detection of anti-desmoglein 3 IgG represents a central tool in the diagnosis of the disease. In this study, we show the validation of a novel lateral flow immunoassay (LFIA) which rapidly detects anti-desmoglein 3 (Dsg3) IgG in human serum. In contrast to other diagnostic procedures, the assay is compact and simple to perform and delivers a fast "yes" or "no" answer within 10 min without additional hardware requirements for test evaluation...
December 26, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/29276517/bp180-is-critical-in-the-autoimmunity-of-bullous-pemphigoid
#13
REVIEW
Yale Liu, Liang Li, Yumin Xia
Bullous pemphigoid (BP) is by far the most common autoimmune blistering dermatosis that mainly occurs in the elderly. The BP180 is a transmembrane glycoprotein, which is highly immunodominant in BP. The structure and location of BP180 indicate that it is a significant autoantigen and plays a key role in blister formation. Autoantibodies from BP patients react with BP180, which leads to its degradation and this has been regarded as the central event in BP pathogenesis. The consequent blister formation involves the activation of complement-dependent or -independent signals, as well as inflammatory pathways induced by BP180/anti-BP180 autoantibody interaction...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29274348/dipeptidyl-peptidase-iv-inhibitors-a-risk-factor-for-bullous-pemphigoid-retrospective-multicenter-case-control-study-in-france-and-switzerland
#14
Michael Benzaquen, Luca Borradori, Philippe Berbis, Simone Cazzaniga, René Valero, Marie-Aleth Richard, Laurence Feldmeyer
BACKGROUND: Case reports have suggested an association between dipeptidyl peptidase-IV inhibitors (DPP4i) and development of bullous pemphigoid (BP). OBJECTIVE: To evaluate the association between DPP4i treatment and development of BP. METHODS: We conducted a retrospective 1:2 case-control study, comparing diabetic BP cases to age and sex-matched diabetic controls, issued from Swiss (Bern) and French (Marseille) dermatological departments, from January 1st 2014 to July 31st 2016...
December 20, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29248402/association-of-hla-class-i-and-class-ii-alleles-with-bullous-pemphigoid-in-chinese-hans
#15
Hui Fang, Shengxian Shen, Xiaodong Zheng, Erle Dang, Jieyu Zhang, Shuai Shao, Pei Qiao, Qiuju Li, Hua Wang, Caixia Li, Liangdan Sun, Gang Wang
BACKGROUND: Bullous pemphigoid (BP) is one of the most common autoimmune skin diseases. Associations of genes, especially human leukocyte antigen (HLA)-DQ alleles, with BP indicate that genetic predisposition contributes to the disease. OBJECTIVES: To evaluate the association of HLA class I and HLA class II alleles with susceptibility to BP in the northern Chinese Han population. METHODS: We performed genotype for HLA-A, -B, -C, -G, -DPA1, -DPB1, -DQA1, -DQB1 and -DRB1 loci in 105 patients with BP by Sanger sequence-based typing (SBT) method...
December 2, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29246800/eosinophils-mediate-tissue-injury-in-autoimmune-skin-disease-bullous-pemphigoid
#16
Lan Lin, Bin-Jin Hwang, Donna A Culton, Ning Li, Susan Burette, Beverly H Koller, Kelly A Messingham, Janet A Fairley, James J Lee, Russell P Hall, Lijia An, Luis A Diaz, Zhi Liu
Eosinophils are typically associated with unique inflammatory settings, including allergic inflammation and helminth infections. However, new information suggests that eosinophils contribute more broadly to inflammatory responses and participate in local immune regulation and the tissue remodeling/repair events linked with a variety of diseases. Eosinophilic infiltration has long been a histologic hallmark of bullous pemphigoid (BP), a subepidermal autoimmune blistering disease characterized by autoantibodies directed against basement membrane protein BP180...
December 12, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29237064/relationship-between-pemphigus-and-american-tegumentary-leishmaniasis-insights-from-serological-and-genetic-profiles
#17
Priscilla Walsh, Maria J F Brochado, Sebastian Vernal, Aline R Machado, Aline Turatti, Natalia A de Paula, Eduardo A Donadi, Ana Maria Roselino
Background: Antibodies against Leishmania peptides (Lbr-peps) and desmogleins (Dsgs) have been reported in pemphigus foliaceus (PF) and leishmaniasis patients, respectively. We aimed to compare serological and genetic features in a Brazilian region endemic for American tegumentary leishmaniasis (ATL) and pemphigus. Methods: Commercial anti-Dsg ELISA and in-house ELISA with Lbr-peps were used to determine the serological profile, in addition to immunoblotting (IB) and indirect immunofluorescence (IIF) assays...
December 11, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29234717/vulvar-lichen-planus-pemphigoides
#18
J Loyal, S Rashtak
Lichen planus pemphigoides (LPP) is a rare blistering disease with features of both lichen planus and bullous pemphigoid. LPP typically appears on the extremities and occasionally involves the oral mucosa. Herein, we describe a case of LPP of the vulva of an 80-year-old woman, an uncommon location for this disease process. This clinical scenario can be confused with a number of similarly appearing entities such as erosive vulvar lichen planus, mucous membrane pemphigoid, and erosive lichen sclerosus et atrophicus...
December 2017: International Journal of Women's Dermatology
https://www.readbyqxmd.com/read/29230227/anti-idiotypic-antibodies-against-bp-igg-prevent-type-xvii-collagen-depletion
#19
Mayumi Kamaguchi, Hiroaki Iwata, Yuiko Mori, Ellen Toyonaga, Hideyuki Ujiie, Yoshimasa Kitagawa, Hiroshi Shimizu
Bullous pemphigoid (BP) mainly targets type XVII collagen (COL17). Intravenous immunoglobulin (IVIg) is used to treat numerous autoimmune diseases, including BP. The major mechanism of action for IVIG is thought to be its immunomodulatory effect. However, little is known about the precise mechanisms of IVIg in BP. We investigate the cellular effects of IVIg, toward treatments for BP. Keratinocytes were treated with IgG from BP patients (BP-IgG) and with IVIg, and then the COL17 expression was detected by Western blotting...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29227569/new-diagnosis-of-bullous-pemphigoid-after-withdrawal-of-immunosuppressive-therapy-in-a-failed-renal-transplant-recipient-on-hemodialysis
#20
Sohail Abdul Salim, Litty Thomas, Amanda Quorles, Seyed Mehrdad Hamrahian, Tibor Fülöp
The occurrence of the autoimmune blistering disease, bullous pemphigoid (BP), in patients with failed renal allograft is rare and the few reported cases suggest various provocative factors without reaching a consensus. Here we report the case of a patient presenting with bullous lesions soon after the complete discontinuation of immunosuppressant therapy following renal allograft failure. Skin biopsy confirmed the diagnosis of BP. Administration of systemic corticosteroid controlled the occurrence of BP lesions in our patient...
December 11, 2017: Hemodialysis International
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