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Desmoglein

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https://www.readbyqxmd.com/read/28803268/proteomic-profiling-of-the-dystrophin-complex-and-membrane-fraction-from-dystrophic-mdx-muscle-reveals-decreases-in-the-cytolinker-desmoglein-and-increases-in-the-extracellular-matrix-stabilizers-biglycan-and-fibronectin
#1
Sandra Murphy, Heinrich Brinkmeier, Mirjam Krautwald, Michael Henry, Paula Meleady, Kay Ohlendieck
The almost complete loss of the membrane cytoskeletal protein dystrophin and concomitant drastic reduction in dystrophin-associated glycoproteins are the underlying mechanisms of the highly progressive neuromuscular disorder Duchenne muscular dystrophy. In order to identify new potential binding partners of dystrophin or proteins in close proximity to the sarcolemmal dystrophin complex, proteomic profiling of the isolated dystrophin-glycoprotein complex was carried out. Subcellular membrane fractionation and detergent solubilisation, in combination with ion exchange, lectin chromatography and density gradient ultracentrifugation, was performed to isolate a dystrophin complex-enriched fraction...
August 12, 2017: Journal of Muscle Research and Cell Motility
https://www.readbyqxmd.com/read/28791421/erratum-to-autoantibodies-to-desmogleins-1-and-3-in-patients-with-lichen-planus
#2
Vahide Lajevardi, Zahra Halaji, Forugh Ghaedi, Nazi Saljoughi
No abstract text is available yet for this article.
August 8, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28764973/disturbed-desmoglein-2-in-the-intercalated-disc-of-pediatric-patients-with-dilated-cardiomyopathy
#3
Elise L Kessler, Peter Gj Nikkels, Toon Ab van Veen
Dilated cardiomyopathy (DCM) leads to disturbed contraction and force transduction, and is associated with substantial mortality in all age groups. Involvement of a disrupted composition of the intercalated disc (ID) has been reported. However, in children, little is established about such subcellular changes during disease, because of the pathological mix-up with the ongoing cardiac maturation. This leaves maladaptive remodeling often undetected. We aimed at illustrating subcellular alterations in children diagnosed with DCM compared to age-matched controls, focusing on ID proteins known to be crucially stable under healthy conditions and destabilized during cardiac injury in adults...
July 29, 2017: Human Pathology
https://www.readbyqxmd.com/read/28740698/robotic-trans-subxiphoid-extended-thymectomy-in-a-patient-with-thymoma-associated-pemphigus
#4
Yu Zheng, Yi-Zhou Cai, Han-Lu Zhang, Zi-Hao Wang, Yun Wang
We herein firstly reported that a patient with thymoma-associated pemphigus (TAP) underwent a robotic-assisted trans-subxiphoid thoracoscopic extended thymectomy and then achieved stable resolution. The patient, a 47-year-old male, was first admitted to our hospital owing to stomatitis and bullae of the trunk after four months' prednisone treatment. On admission, chest computed tomography (CT) revealed an anterior-mediastinal mass and it was initially diagnosed as a thymoma. He was positive for anti-BP (bullous pemphigoid)-180 antibody and anti-desmoglein 3 antibody...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28740231/desmoglein-2-regulates-the-intestinal-epithelial-barrier-via-p38-mitogen-activated-protein-kinase
#5
Hanna Ungewiß, Franziska Vielmuth, Shintaro T Suzuki, Andreas Maiser, Hartmann Harz, Heinrich Leonhardt, Daniela Kugelmann, Nicolas Schlegel, Jens Waschke
Intestinal epithelial barrier properties are maintained by a junctional complex consisting of tight junctions (TJ), adherens junctions (AJ) and desmosomes. Desmoglein 2 (Dsg2), an adhesion molecule of desmosomes and the only Dsg isoform expressed in enterocytes, is required for epithelial barrier properties and may contribute to barrier defects in Crohn's disease. Here, we identified extradesmosomal Dsg2 on the surface of polarized enterocytes by Triton extraction, confocal microscopy, SIM and STED. Atomic force microscopy (AFM) revealed Dsg2-specific binding events along the cell border on the surface of enterocytes with a mean unbinding force of around 30pN...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28674915/autoantibodies-to-desmogleins-1-and-3-in-patients-with-lichen-planus
#6
Lajevardi Vahide, Halaji Zahra, Ghaedi Forugh, Saljoughi Nazi
There is controversy about the role of autoantibodies against desmoglein 1 and 3 (Dsg1 and 3) in the pathogenesis of lichen planus (LP); the authors planned this study to determine the presence of circulating levels of these antibodies in patients with different types of oral LP and to compare that with cutaneous LP and healthy controls. The enzyme-linked immunosorbent assay test was performed on serum samples of 24 cases of erosive oral LP, 29 cases of reticular oral LP, 30 cases of cutaneous LP and 30 healthy controls...
July 3, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28661086/selective-plasma-exchange-for-the-removal-of-pemphigus-autoantibodies-fibrinogen-and-factor-xiii-in-pemphigus-vulgaris
#7
Satoko Miyamoto, Atsushi Ohkubo, Hiroshi Seshima, Shigeto Komori, Motoki Yamamoto, Takuma Maeda, Ayako Itagaki, Hiroko Yamamoto, Kohei Nojima, Soichiro Iimori, Shotaro Naito, Naoki Kurashima, Eisei Sohara, Tatemitsu Rai, Shinichi Uchida, Tomokazu Okado
Pemphigus vulgaris is a serious autoimmune skin disorder associated with desmoglein 1 and 3. Selective plasma exchange (SePE) for pemphigus vulgaris remains unknown. We investigated the removal characteristics of pemphigus autoantibodies, immunoglobulins, and fibrinogen in three cases. When the mean processed volume for SePE was 1.2 plasma volumes, the mean percent reduction was 50.7% for desmoglein 1, 48.9% for desmoglein 3, 50.3% for IgG, 29.8% for IgA, 1.9% for IgM, and 17.6% for fibrinogen. In one case, the percent reduction after four sessions of SePE within eight days was 87...
June 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28631092/rituximab-treatment-in-pemphigus-vulgaris-effect-on-circulating-tregs
#8
Bakr El-Zawahry, Dalia Bassiouny, Rehab Hegazy, Heba Gawdat, Suzan Shalaby, Mervat Khorshied, Marwah Adly Saleh
Rituximab (RTX) has been used successfully to treat refractory pemphigus. We aimed to assess the response of pemphigus vulgaris (PV) cases to RTX therapy and its effect on CD4(+)CD25(+) (T regulatory) cells level. Sixteen PV patients were included in this study, each received one cycle of two RTX infusions (1000 mg on days 1 and 15). Five PV patients served as controls. All cases were on prednisolone ± adjuvant therapy. Pemphigus disease area index (PDAI), autoimmune bullous skin intensity score (ABSIS), anti-desmoglein antibodies, CD4, CD8, CD20 and CD4(+)CD25(+) levels were assessed at baseline, 3, 6 and 12 months after therapy...
June 19, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28622444/paraneoplastic-pemphigus-in-two-pairs-of-brothers
#9
B Kranzelbinder, T Hashimoto, M Joch, W Salmhofer, H Reiter, J Bauer, E Aberer
A 65-year-old man (Patient 1A) presented with erosions on the face, upper trunk and the oral mucosa in 1995 (Table 1). He underwent prostatectomy for prostate cancer in 1990. PNP was proven by antibodies to IgG anti-epithelial cell surface (ECS), desmoglein (Dsg)1, and Dsg3. This article is protected by copyright. All rights reserved.
June 16, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28620161/different-signaling-patterns-contribute-to-loss-of-keratinocyte-cohesion-dependent-on-autoantibody-profile-in-pemphigus
#10
Elias Walter, Franziska Vielmuth, Lukas Rotkopf, Miklós Sárdy, Orsolya N Horváth, Matthias Goebeler, Enno Schmidt, Rüdiger Eming, Michael Hertl, Volker Spindler, Jens Waschke
Pemphigus is an autoimmune blistering skin disease caused primarily by autoantibodies against desmoglein (Dsg)1 and 3. Here, we characterized the mechanisms engaged by pemphigus IgG from patients with different clinical phenotypes and autoantibody profiles. All pemphigus vulgaris (PV) and pemphigus foliaceus (PF) IgG and AK23, a monoclonal mouse antibody against Dsg3, caused loss of cell cohesion, cytokeratin retraction and p38MAPK activation. Strong alterations in Dsg3 distribution were caused by mucosal (aDsg3 antibodies), mucocutaneous (aDsg1 + aDsg3) as well as atypical (aDsg3) PV-IgG...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28600798/inhibition-of-p38mapk-signaling-prevents-epidermal-blistering-and-alterations-of-desmosome-structure-induced-by-pemphigus-autoantibodies-in-human-epidermis
#11
D T Egu, E Walter, V Spindler, J Waschke
BACKGROUND: Pemphigus vulgaris (PV) is a skin blistering disease caused by autoantibodies targeting the desmosomal adhesion proteins desmoglein (Dsg) 3 and 1. The mechanisms underlying pemphigus skin blistering are not fully elucidated but p38MAPK activation is one of the signaling events necessary for full loss of cell cohesion. However, it is unclear whether ultrastructural hallmarks of desmosome morphology as observed in patients' lesions are mediated by p38MAPK signaling. OBJECTIVE: In this study, we tested the relevance of p38MAPK for blister formation and the ultrastructural changes induced by PV autoantibodies in human skin...
June 10, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28590930/eight-potential-biomarkers-for-distinguishing-between-lung-adenocarcinoma-and-squamous-cell-carcinoma
#12
Jian Xiao, Xiaoxiao Lu, Xi Chen, Yong Zou, Aibin Liu, Wei Li, Bixiu He, Shuya He, Qiong Chen
Lung adenocarcinoma (LADC) and squamous cell carcinoma (LSCC) are the most common non-small cell lung cancer histological phenotypes. Accurate diagnosis distinguishing between these two lung cancer types has clinical significance. For this study, we analyzed four Gene Expression Omnibus (GEO) datasets (GSE28571, GSE37745, GSE43580, and GSE50081). We then imported the datasets into the Gene-Cloud of Biotechnology Information online platform to identify genes differentially expressed in LADC and LSCC. We identified DSG3 (desmoglein 3), KRT5 (keratin 5), KRT6A (keratin 6A), KRT6B (keratin 6B), NKX2-1 (NK2 homeobox 1), SFTA2 (surfactant associated 2), SFTA3 (surfactant associated 3), and TMC5 (transmembrane channel-like 5) as potential biomarkers for distinguishing between LADC and LSCC...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28559810/atypical-clinical-and-serological-manifestation-of-pemphigus-vegetans-a-case-report-and-review-of-the-literature
#13
REVIEW
Rebecca Mergler, Andreas Kerstan, Enno Schmidt, Matthias Goebeler, Sandrine Benoit
Pemphigus vegetans (PVeg) is a rare variant of pemphigus vulgaris characterized by pustules and/or papillomatous vegetations, preferentially affecting intertriginous and periorificial areas. Exceptional manifestations may be misdiagnosed resulting in delayed diagnosis and treatment. Diagnosis is confirmed by immunofluorescence and detection of anti-desmoglein (Dsg) 3 and/or anti-Dsg1 antibodies. We herein report an unusual manifestation of PVeg. At the time of first presentation, lesions were restricted to the right ring finger's tip...
January 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28556557/conjunctiva-derived-mesenchymal-stem-cell-cjmscs-as-a-potential-platform-for-differentiation-into-corneal-epithelial-cells-on-bioengineered-electrospun-scaffolds
#14
Fatemeh Soleimanifar, Yousef Mortazavi, Samad Nadri, Masoud Soleimani
With the aid of tissue engineering, the capability of nanofibrous scaffolds was examined for corneal epithelial differentiation of Conjunctiva mesenchymal stem cells (CJMSCs) as a new source. This study tried to provide a synthetic corneal sheet which could be applied in corneal regeneration. The hybrid arrangement of fine Silk fibers with the diameter of 93.65 nm and the polyurethane (PU) fibers with an average diameter of 575.5 makes a mat with sufficient mechanical properties and interconnected pores that could accelerate nutrient diffusion...
May 27, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28546112/pemphigus-vulgaris-induced-by-5-aminolaevulinic-acid-based-photodynamic-therapy
#15
Qian Zhou, Peiru Wang, Linglin Zhang, Bo Wang, Lei Shi, Uma Keyal, Anil Kumar Bhatta, Guolong Zhang, Xiuli Wang
Pemphigus vulgaris (PV) is an autoimmune disorder resulting from the interaction between autoantibodies and desmoglein. Here, we report a case of PV developed after 5-aminolaevulinic acid-based photodynamic therapy (ALA-PDT). The harmful and deleterious effects of UV radiation on the onset, during course, and perpetuation of PV have been observed for decades. Correlation between reactive oxygen species (ROS) and PV have also been reported. Oxidative proteins, which are modified by ROS, and subsequent production of antibodies by immune system seem to be responsible for PV developed following ALA-PDT...
May 22, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28543318/correlation-between-salivary-and-serum-anti-desmoglein-1-and-3-antibody-titres-using-elisa-and-between-anti-desmoglein-levels-and-disease-severity-in-pemphigus-vulgaris
#16
D De, G Khullar, S Handa, N Joshi, B Saikia, R W Minz
ELISA for anti-desmoglein antibodies (Dsg) is commonly used for diagnosis and assessment of treatment response in pemphigus vulgaris (PV). The present study was conducted to assess the relationship between salivary and serum Dsg1 and Dsg3 levels, and whether salivary Dsg1 and Dsg3 levels correlate with clinical disease severity of oral mucosal lesions in PV. In total 43, patients with PV with predominantly mucosal involvement were recruited. Both serum and salivary samples were collected from the cases, and salivary samples were also collected from five controls...
May 22, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28524044/expression-of-keratin-1-keratin-10-desmoglein-1-and-desmocollin-1-in-the-epidermis-possible-downregulation-by-interleukin-4-and-interleukin-13-in-atopic-dermatitis
#17
Ami Totsuka, Miyuki Omori-Miyake, Makoto Kawashima, Junji Yagi, Yuichiro Tsunemi
In the pathogenesis of atopic dermatitis (AD), skin barrier dysfunction and T-helper (Th) type 2 immune reactions play important roles. Alterations in the stratum spinosum of AD have not been studied in much detail. In this study, we investigated the changes of structural proteins and adhesion molecules residing in the stratum spinosum of AD lesional skin, and whether Th2 cytokines including interleukin (IL)-4 and IL-13 alter the expression of these proteins. Skin samples were collected from patients with AD and from healthy controls...
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28498563/identification-of-factors-associated-with-treatment-refractoriness-of-oral-lesions-in-pemphigus-vulgaris
#18
S Kumar, D De, S Handa, R K Ratho, S Bhandari, A Pal, P Kamboj, S Sarkar
BACKGROUND: Oral mucosal lesions of pemphigus vulgaris (PV) are known to show more treatment refractoriness than skin lesions. OBJECTIVES: To identify the role of different clinical and laboratory parameters in the treatment refractoriness in the oral lesions of PV. METHODS: This prospective study recruited 50 adult patients of PV having oral lesions. Patients were given treatment appropriate for overall disease severity. Treatment refractoriness was defined arbitrarily as less than 75% reduction in oral objective Autoimmune Bullous Skin Disorder Intensity Score (ABSIS) after treatment for 6 months...
May 12, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28497856/case-of-shift-from-linear-immunoglobulin-a-bullous-dermatosis-to-pemphigus-herpetiformis-for-a-short-period-of-time
#19
Hiroshi Koga, Norito Ishii, Takashi Hashimoto, Takekuni Nakama
Pemphigus herpetiformis (PH) is a rare variant of pemphigus characterized by erythemas and vesicles, tending to present with annular-shaped lesions. Immunologically, immunoglobulin (Ig)G deposition at the keratinocyte cell surfaces is observed. Linear IgA bullous dermatosis (LABD) is a rare subepidermal blistering disease with linear IgA deposits at the epidermal basement membrane zone (BMZ). The annular-shaped skin lesions in PH mimic clinical manifestation of other autoimmune bullous diseases, including LABD, although PH and LABD have different immunological and histopathological features...
February 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28494700/invasive-front-grading-and-epithelial-mesenchymal-transition-in-canine-oral-and-cutaneous-squamous-cell-carcinomas
#20
E Nagamine, K Hirayama, K Matsuda, M Okamoto, T Ohmachi, K Uchida, T Kadosawa, H Taniyama
Oral and cutaneous tissues are the most frequent origin in canine squamous cell carcinoma (SSC). In SCC, changes in adhesion molecule expression and transition from epithelial to mesenchymal phenotype are thought to be important in development of invasive behavior of neoplastic cells at the leading front of the tumor. We therefore investigated histological invasive front grading and epithelial-mesenchymal transition (EMT) in both oral SCCs and cutaneous SCCs. EMT was assessed by evaluating immunohistochemical expression of E-cadherin, β-catenin, desmoglein, vimentin, and N-cadherin...
January 1, 2017: Veterinary Pathology
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