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https://www.readbyqxmd.com/read/28633752/rituximab-administration-in-a-patient-with-pemphigus-vulgaris-following-reactivation-of-occult-hepatitis-b-virus-infection
#1
Soheil Tavakolpour, Tahereh Soori, Pedram Noormohammadpour, Kamran Balighi, Hamidreza Mahmoudi, Maryam Daneshpazhooh
Immunosuppressive drugs are the milestone of treatment of autoimmune diseases, but they can lead to serious complications, including hepatitis B virus reactivation in HBV carriers as well as in patients with occult HBV infection (OBI). A 36-year-old man with OBI was diagnosed with pemphigus vulgaris. He was prescribed prednisolone and his hepatitis B surface antigen turned positive. Viral replication was successfully controlled by lamivudine and adefovir. Mycophenolate mofetil and intravenous immunoglobulin  were not effective in controlling the pemphigus vulgaris...
June 20, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28633733/rituximab-in-the-management-of-juvenile-pemphigus-foliaceus
#2
Tiffany Y Loh, Taraneh Paravar
BackgroundPemphigus foliaceus (PF) is a blistering disorder most commonly presenting in middle age. As PF is restricted to the superficial epidermis, it is considered more benign than other pemphigus diseases. However, progression to severe disease is not uncommon. Although rituximab's efficacy has been well-documented in adults with refractory PF, little data is available on its role in adolescents.PurposeWe describe a patient with juvenile PF treated with rituximab and review the literature for similar cases...
June 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28632917/miniaturization-of-sebaceous-glands-a-novel-histopathological-finding-in-pemphigus-vulgaris-and-pemphigus-foliaceus-of-the-scalp
#3
Marta Sar-Pomian, Joanna Czuwara, Lidia Rudnicka, Malgorzata Olszewska
BACKGROUND: Intraepidermal acantholysis is a characteristic histopathological feature of pemphigus. The histopathology of scalp biopsies in pemphigus has not been widely discussed in the literature, although the scalp is commonly involved in pemphigus. METHODS: A total of 32 consecutive patients with scalp involvement (seventeen with pemphigus vulgaris and fifteen with pemphigus foliaceus) were enrolled into the study. The histopathological examination of scalp biopsies was performed in all patients...
June 20, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28631092/rituximab-treatment-in-pemphigus-vulgaris-effect-on-circulating-tregs
#4
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
#5
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
#6
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/28618730/possible-triggering-factors-and-comorbidities-in-newly-diagnosed-autoimmune-bullous-diseases
#7
Sevgi Akarsu, Özlem Özbağçivan, Necla Dolaş, Şebnem Aktan
BACKGROUND/AIM: The distribution and the demographic, etiological, and clinical features of autoimmune bullous diseases (ABDs) vary according to geographic regions of the world. The limited number of reported studies in Turkey are mostly retrospective and generally include only pemphigus. The aim of our study was to evaluate the demographic data, clinical features, associated triggering factors, and comorbidities in patients newly diagnosed with ABDs. MATERIALS AND METHODS: In this descriptive and prospective study, the demographic data, inhabited regions, smoking and drinking habits, presence of comorbidities, and specific and general potential triggering factors of ABDs considered by the patients were examined...
June 12, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28614800/robust-memory-responses-against-influenza-vaccination-in-pemphigus-patients-previously-treated-with-rituximab
#8
Alice Cho, Bridget Bradley, Robert Kauffman, Lalita Priyamvada, Yevgeniy Kovalenkov, Ron Feldman, Jens Wrammert
Rituximab is a therapeutic anti-CD20 monoclonal antibody widely used to treat B cell lymphoma and autoimmune diseases, such as rheumatic arthritis, systemic lupus erythematosus, and autoimmune blistering skin diseases (AIBD). While rituximab fully depletes peripheral blood B cells, it remains unclear whether some preexisting B cell memory to pathogens or vaccines may survive depletion, especially in lymphoid tissues, and if these memory B cells can undergo homeostatic expansion during recovery from depletion...
June 15, 2017: JCI Insight
https://www.readbyqxmd.com/read/28611998/recurrent-paronychia-as-a-presenting-manifestation-of-pemphigus-vulgaris-a-case-report
#9
Vijay Zawar, Manoj Pawar, Shrikant Kumavat
Nail involvement in pemphigus vulgaris (PV) is an unusual clinical finding. The most common clinical manifestations include chronic paronychia and onychomadesis. We report an adult female patient with PV who initially presented with chronic paronychia of multiple fingernails and toenails before the onset of vesiculobullous eruptions. Later on, after complete resolution, there was recurrence of pemphigus presenting as hemorrhagic paronychia of the left index finger. Systemic treatment with corticosteroids and azathioprine led to complete resolution of mucocutaneous lesions as well as nail manifestations...
March 2017: Skin Appendage Disorders
https://www.readbyqxmd.com/read/28611508/correlation-between-il36%C3%AE-and-il17-and-activity-of-the-disease-in-selected-autoimmune-blistering-diseases
#10
Agnieszka Żebrowska, Anna Woźniacka, Katarzyna Juczyńska, Kamila Ociepa, Elżbieta Waszczykowska, Izabela Szymczak, Rafał Pawliczak
Dermatitis herpetiformis (DH), bullous pemphigoid (BP), and pemphigus vulgaris (PV) are autoimmune bullous skin conditions with eosinophilic and neutrophilic infiltrations. While cytokines are crucial for the affinity and activation of different leukocyte cells in the inflammation and blister formation, there are no studies concerning a role of IL-36. The goal of the study was to analyze whether interleukin 36 is involved in pathogenesis of DH, BP, and PV. And the second aim of the study was the estimation of correlation between Il-36 and IL-17 and titers of specific antibodies in these diseases...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28608226/blocking-rhoa-rock-inhibits-the-pathogenesis-of-pemphigus-vulgaris-by-suppressing-oxidative-stress-and-apoptosis-through-tak1-nod2-mediated-nf-%C3%AE%C2%BAb-pathway
#11
Junqin Liang, Xuewen Zeng, Yilinuer Halifu, Wenjing Chen, Fengxia Hu, Peng Wang, Huan Zhang, Xiaojing Kang
Oxidative stress and apoptosis play critical roles in pemphigus vulgaris (PV). The main aim of the present study was to investigate the effects of RhoA/ROCK signaling on UVB-induced oxidative damage, and to delineate the molecular mechanisms involved in the UVB-mediated inflammatory and apoptotic response. In HaCaT cells, we observed that blockage of RhoA/ROCK signaling with the inhibitor CT04 or Y27632 greatly inhibited the UVB-mediated increase in intracellular reactive oxygen species (ROS). Additionally, inhibition of RhoA/ROCK signaling reduced UVB-induced apoptosis, as exemplified by a reduction in DNA fragmentation, and also elevated anti-apoptotic Bcl-2 protein, concomitant with reduced levels of pro-apoptotic protein Bax, caspase-3 cleavage and decreased PARP-1 protein...
June 12, 2017: Molecular and Cellular Biochemistry
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
#12
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/28597020/pemphigus-vulgaris-persistently-localized-to-the-nose-with-local-and-systemic-response-to-topical-steroids
#13
Connie Zhang, Ilana Goldscheider, Thomas Ruzicka, Miklós Sárdy
No abstract text is available yet for this article.
June 9, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28596152/bullous-pemphigoid-and-pemphigus-vulgaris
#14
Mahaz Kayani, Arif M Aslam
No abstract text is available yet for this article.
June 8, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28591691/naringenin-protects-keratinocytes-from-oxidative-stress-injury-via-inhibition-of-the-nod2-mediated-nf-%C3%AE%C2%BAb-pathway-in-pemphigus-vulgaris
#15
Junqin Liang, Yilinuer Halipu, Fengxia Hu, Buwajieer Yakeya, Wenjing Chen, Huan Zhang, Xiaojing Kang
Naringenin is known to have anti-oxidative activity; however, the effect of naringenin on the progression of pemphigus vulgaris (PV) still remains unclear. This study aims to analyze the effect of naringenin on HaCaT cell apoptosis and oxidative damage under the treatment of PV serum. The results showed that PV serum significantly induced cell apoptosis compared with the control group; whereas, comparing with PV group, naringenin inhibited cell apoptosis. Moreover, PV serum increased the expression of bax and caspase-3, and decreased the expression of bcl-2; but naringenin significantly suppressed the expression of bax and caspase-3, induced the expression of bcl-2...
June 4, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28589389/-safety-and-efficacy-of-off-label-use-of-biologic-therapies-in-patients-with-inflammatory-rheumatic-diseases-refractory-to-standard-of-care-therapy-data-from-a%C3%A2-nationwide-german-registry-graid2
#16
F Proft, H Schulze-Koops, M Grunke, E Schrezenmeier, F Halleck, J Henes, L Unger, E Schmidt, C Fiehn, A Jacobi, C Iking-Konert, C Kneitz, R E Schmidt, B Bannert, R E Voll, R Fischer-Betz, I Kötter, H P Tony, J Holle, M Aringer, A Erler, F Behrens, G R Burmester, T Dörner
BACKGROUND: The German Registry of Autoimmune Diseases 2 (GRAID2) is a retrospective, non-interventional, multicenter registry study collecting data from patients with inflammatory, mainly rheumatic diseases refractory to standard of care therapy and treated with an off-label biologic therapy. The retrospective documentation comprised case history, diagnosis, course of disease (including safety and global efficacy). The objective was to evaluate the global clinical outcome and safety of off-label biologic therapy in clinical practice...
June 6, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28584371/shifting-focus-in-the-therapeutics-of-immunobullous-disease
#17
Abhishek De, Asad Ansari, Nidhi Sharma, Aarti Sarda
Therapeutics of autoimmune bullous disease has seen a major shift of focus from more global immunosuppression to targeted immunotherapy. Anti CD 20 monoclonal antibody Rituximab revolutionized the therapeutics of autoimmune bullous disease particularly pemphigus. Though it is still being practiced off-label, evidences in the form of RCT and meta analysis are now available. Other novel anti CD 20 monoclonal antibodies like ofatumumab, veltuzumab, and ocrelizumab, tositumomab or obinutuzumab/GA101 may add to the therapeutic options in coming days...
May 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28584370/counseling-in-pemphigus
#18
Raghavendra Rao, C R Srinivas
Pemphigus is a chronic, potentially life threatening, autoimmune intraepidermal blistering disease affecting the skin and the mucous membrane. Pemphigus may have profound impact on the quality of life in the affected patients. Counselling and adjuvant psychotherapy may be beneficial at least in few patients and should be considered as a part of multidisciplinary approach.
May 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28584368/pathophysiology-of-autoimmune-bullous-diseases-nature-versus-nurture
#19
Forum Patel, Reason Wilken, Falin B Patel, Hawa Sultani, Itzel Bustos, Christopher Duong, John J Zone, Siba P Raychaudhuri, Emanual Maverakis
Pemphigus and pemphigoid are the prototypical immunobullous diseases. Although it has been well established that they are caused by deposition of autoreactive antibodies directed against adherence proteins within the skin, the specific genetic and environmental factors leading to development of these diseases continue to be an area of investigation. Herein, we discuss several of the potential environmental triggers that may induce patients to develop immunobullous diseases including medications, viral infections, UV exposure or other radiation injury and dietary factors...
May 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28579477/two-highly-divergent-lineages-of-exfoliative-toxin-b-encoding-plasmids-revealed-in-impetigo-strains-of-staphylococcus-aureus
#20
Tibor Botka, Vladislava Růžičková, Karla Svobodová, Roman Pantůček, Petr Petráš, Darina Čejková, Jiří Doškař
Exfoliative toxin B (ETB) encoded by some large plasmids plays a crucial role in epidermolytic diseases caused by Staphylococcus aureus. We have found as yet unknown types of etb gene-positive plasmids isolated from a set of impetigo strains implicated in outbreaks of pemphigus neonatorum in Czech maternity hospitals. Plasmids from the strains of clonal complex CC121 were related to archetypal plasmid pETBTY4. Sharing a 33-kb core sequence including virulence genes for ETB, EDIN C, and lantibiotics, they were assigned to a stand-alone lineage, named pETBTY4-based plasmids...
May 29, 2017: International Journal of Medical Microbiology: IJMM
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