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Immunoadsorption

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https://www.readbyqxmd.com/read/29772547/role-of-alpha1-adrenergic-receptor-antibodies-in-alzheimer-s-disease
#1
Peter Karczewski, Petra Hempel, Marion Bimmler
Agonistic autoantibodies (agAAB) for alpha-1 adrenoceptor were found in approx. 50% of patients with Alzheimer's disease. These antibodies activate the receptor and trigger the signal cascades similarly to how natural agonists do. The agAAB bond to the receptor is persistent and prolonged. This results in a non-physiological elevation of intracellular calcium. An animal model has shown that agAAB causes macrovascular and microvascular impairment in the vessels of the brain. Reduction in blood flow and the density of intact vessels was significantly demonstrated...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29740210/emerging-treatment-options-for-the-management-of-pemphigus-vulgaris
#2
REVIEW
Khalaf Kridin
Pemphigus vulgaris (PV) is a life-threatening disease belonging to the pemphigus group of autoimmune intra-epidermal bullous diseases of the skin and mucosae. The therapeutic management of PV remains challenging and, in some cases, conventional therapy is not adequate to induce clinical remission. The cornerstone of PV treatment remains systemic corticosteroids. Although very effective, long-term corticosteroid administration is characterized by substantial adverse effects. Corticosteroid-sparing adjuvant therapies have been employed in the treatment of PV, aiming to reduce the necessary cumulative dose of corticosteroids...
2018: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29734473/treatment-for-hepatitis-c-virus-associated-mixed-cryoglobulinaemia
#3
REVIEW
Nuria Montero, Alexandre Favà, Eva Rodriguez, Clara Barrios, Josep M Cruzado, Julio Pascual, Maria Jose Soler
BACKGROUND: Hepatitis C virus (HCV)-associated mixed cryoglobulinaemia is the manifestation of an inflammation of small and medium-sized vessels produced by a pathogenic IgM with rheumatoid factor activity generated by an expansion of B-cells. The immune complexes formed precipitate mainly in the skin, joints, kidneys or peripheral nerve fibres. Current therapeutic approaches are aimed at elimination of HCV infection, removal of cryoglobulins and also of the B-cell clonal expansions. The optimal treatment for it has not been established...
May 7, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29684566/eltrombopag-for-the-treatment-of-of-refractory-pure-red-cell-aplasia-after-major-abo-incompatible-hematopoietic-stem-cell-transplantation
#4
Alessandro Busca, Chiara Dellacasa, Luisa Giaccone, Sara Manetta, Lucia Biale, Laura Godio, Semra Aydin, Moreno Festuccia, Lucia Brunello, Benedetto Bruno
Pure red cell aplasia (PRCS) is a well-recognized complication after allogeneic hematopoietic stem cell transplantation (HSCT). Many therapeutic options are available to treat this condition, including erythropoietin, rituximab, bortezomib, plasma exchange, immunoadsorption, donor lymphocyte infusion, mesenchymal stem cells, anti-thymocyte globulin and high-dose steroids; however treatment outcomes are often variable and can sometimes lead to disappointing results. In this brief article we report our experience with two patients with PRCA after major AB0-incompatible HSCT who were resistant to multiple therapeutic interventions and who eventually benefited from treatment with eltrombopag, a thrombopoietin mimetic approved by the Food and Drug Administration for the treatment of patients with immune thrombocytopenic purpura or severe aplastic anemia (SAA), refractory to immunosuppressive agents or not eligible to HSCT...
April 20, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29675599/immunoadsorption-plasmapheresis-treatment-for-the-recurrent-exacerbation-of-neuromyelitis-optica-spectrum-disorder-with-a-fluctuating-anti-aquaporin-4-antibody-level
#5
Hiroaki Nishimura, Hideki Enokida, Taiji Sakamoto, Toshiyuki Takahashi, Hiroshi Hayami, Masayuki Nakagawa
The pathogenesis in the exacerbation of neuromyelitis optica spectrum disorder (NMOSD) involves mainly the serum anti-aquaporin-4 (AQP4) immunoglobulin G antibody (anti-AQP4 antibody). If high-dose corticosteroid treatment is not achieved during remission, rescue plasmapheresis is recommended. However, there are few reports on the therapeutic efficacy of repetitive immunoadsorption plasmapheresis (IAPP) for the recurrent exacerbation of NMOSD with a fluctuating anti-AQP4 antibody level. A 36-year-old man presented with a reduction of visual acuity (VA) on the right eye (OD) to 20/250...
April 19, 2018: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/29672314/efficacy-of-the-combination-of-immunoadsorption-and-rituximab-for-treatment-in-a-case-of-severe-focal-and-segmental-glomerulosclerosis-recurrence-after-renal-transplantation
#6
Paloma L Martin-Moreno, Jose Rifon, Pedro Errasti
BACKGROUND/AIMS: We present a case of a male patient with severe recurrence of focal and segmental glomerulosclerosis (FSGS) after transplant. METHODS: Before the transplant he was treated with plasma exchange. Massive proteinuria was detected post-transplantation and plasma exchanges were performed without response. We administered 5 doses of Rituximab (375 mg/m2) and partial remission was achieved. Proteinuria relapse occurred 1 year post-transplant, so Immunoadsorption (IA) was started instead of plasma exchange with reduction of proteinuria...
April 19, 2018: Blood Purification
https://www.readbyqxmd.com/read/29577764/-immunoadsorption-in-a-patient-with-dilated-cardiomyopathy-the-first-case-in-hungary
#7
Pál Soltész, Melinda Vass, Ágnes Diószegi, Ivetta Mányiné Siket, Ildikó Garai, Csaba Kun, Orsolya Bene, Attila Kertész, István Édes
Dilated cardiomyopathy is the main cause of heart transplantation. The etiology is unknown in almost half of the cases. Many cardiac specific antibodies have been identified till now which can cause decreased cardiac function, ventricular tachycardia or sudden heart death. The prognosis of DCM is poor despite the development of medical treatment. Immunoadsorption is hopeful since, with the removal of antibodies, cardiac function and NYHA class can improve and LVAD/heart transplantation-free survival can be prolonged...
April 2018: Orvosi Hetilap
https://www.readbyqxmd.com/read/29543914/immunoadsorption-to-remove-%C3%A3-2-adrenergic-receptor-antibodies-in-chronic-fatigue-syndrome-cfs-me
#8
Carmen Scheibenbogen, Madlen Loebel, Helma Freitag, Anne Krueger, Sandra Bauer, Michaela Antelmann, Wolfram Doehner, Nadja Scherbakov, Harald Heidecke, Petra Reinke, Hans-Dieter Volk, Patricia Grabowski
INTRODUCTION: Infection-triggered disease onset, chronic immune activation and autonomic dysregulation in Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (CFS/ME) point to an autoimmune disease directed against neurotransmitter receptors. We had observed elevated autoantibodies against ß2 adrenergic receptors, and muscarinic 3 and 4 acetylcholine receptors in a subset of patients. Immunoadsorption (IA) was shown to be effective in removing autoantibodies and improve outcome in various autoimmune diseases...
2018: PloS One
https://www.readbyqxmd.com/read/29541873/immune-modulation-in-heart-failure-the-promise-of-novel-biologics
#9
REVIEW
Paulino Alvarez, Alexandros Briasoulis
PURPOSE OF REVIEW: Immune system activation plays a central role in heart failure progression. Large-scale immune modulatory clinical trials targeting tumor necrosis factor-α and broad spectrum immune modulation have been negative. The objective of this review is to highlight past, present, and what is in the horizon for the immunomodulation in heart failure with a focus of biologics. RECENT FINDINGS: Strategies targeting interleukin-1 pathway are currently undergoing clinical evaluation and data from pilot studies are promising...
March 15, 2018: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29520268/targeting-ige-antibodies-by-immunoadsorption-in-atopic-dermatitis
#10
REVIEW
Michael Kasperkiewicz, Enno Schmidt, Ralf J Ludwig, Detlef Zillikens
One major hallmark of atopic dermatitis (AD) is the elevated level of total serum IgE, which has been reported to be partly of the autoreactive type in a subset of patients. Immunoadsorption (IA) has been successfully applied in various classical autoantibody-mediated diseases such as pemphigus. Recent reports proposed the use of IA also for patients with severe AD and high total serum IgE levels. In this mini-review, we summarize the current knowledge about this novel treatment approach for AD and briefly discuss the so far incompletely known role of autoreactive IgE as potential target of IA therapy in this common inflammatory skin disorder...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29484297/ige-selective-immunoadsorption-for-severe-atopic-dermatitis
#11
Michael Kasperkiewicz, Sophie-Charlotte Mook, Diana Knuth-Rehr, Artem Vorobyev, Ralf J Ludwig, Detlef Zillikens, Philip Muck, Enno Schmidt
Introduction: Recent reports proposed the application of immunoadsorption (IA) for patients with recalcitrant atopic dermatitis (AD) and high-serum IgE levels. However, experience with this novel treatment approach, especially with the newly available IgE-specific adsorber, is limited and recommendation for its use in clinical practice awaits evidence from more studies. Materials and methods: Patients with severe AD (SCORAD ≥ 60) and total serum IgE levels ≥750 kU/L were included in this study...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29483909/agonistic-autoantibodies-to-the-%C3%AE-2-adrenergic-receptor-involved-in-the-pathogenesis-of-open-angle-glaucoma
#12
Anselm Jünemann, Bettina Hohberger, Jürgen Rech, Ahmed Sheriff, Qin Fu, Ursula Schlötzer-Schrehardt, Reinhard Edmund Voll, Sabine Bartel, Hubert Kalbacher, Johan Hoebeke, Robert Rejdak, Folkert Horn, Gerd Wallukat, Rudolf Kunze, Martin Herrmann
Glaucoma is a frequent ocular disease that may lead to blindness. Primary open-angle glaucoma (POAG) and ocular hypertension (OHT) are common diseases with increased intraocular pressure (IOP), which are mainly responsible for these disorders. Their pathogenesis is widely unknown. We screened the sera of patients with POAG and OHT for the prevalence of autoantibodies (AAb) against G protein-coupled receptors (GPCRs) in comparison to controls. Employing frequency modulation of spontaneously contracting neonatal rat cardiomyocytes in vitro , agonistic GPCR AAb were to be detected in roughly 75% of the patients with POAG and OHT, however, not in controls...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29407331/safety-and-efficacy-of-induction-therapy-with-thymoglobulin-in-ab0-incompatible-kidney-transplantation
#13
A L Herzog, C Kalogirou, C Wanner, K Lopau
INTRODUCTION: Data suggest an additional role of T cells in antibody-mediated rejections. In 2001 a protocol for AB0-incompatible kidney transplantation based on B-cell-depleting anti-CD20 antibody rituximab, antigen-specific blood group IgG immunoadsorption, intravenous immunoglobulins, and triple immunosuppression was introduced in Europe, which used induction therapy with the use of interleukin-2 receptor antibody (IL2-RA) basiliximab. We used thymoglobulin in AB0-incompatible patients as induction in the face of high immunologic risk...
January 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29404583/differences-in-the-reponses-to-apheresis-therapy-of-patients-with-3-histopathologically-classified-immunopathological-patterns-of-multiple-sclerosis
#14
Lidia Stork, David Ellenberger, Tim Beißbarth, Tim Friede, Claudia F Lucchinetti, Wolfgang Brück, Imke Metz
Importance: Plasma exchange and immunoadsorption are second-line apheresis therapies for patients experiencing multiple sclerosis relapses. Early active multiple sclerosis lesions can be classified into different histopathological patterns of demyelination. Pattern 1 and 2 lesions show T-cell- and macrophage-associated demyelination, and pattern 2 is selectively associated with immunoglobulin and complement deposits, suggesting a humoral immune response. Pattern 3 lesions show signs of oligodendrocyte degeneration...
April 1, 2018: JAMA Neurology
https://www.readbyqxmd.com/read/29399043/treatment-strategies-for-autoimmune-encephalitis
#15
REVIEW
Yong-Won Shin, Soon-Tae Lee, Kyung-Il Park, Keun-Hwa Jung, Ki-Young Jung, Sang Kun Lee, Kon Chu
Autoimmune encephalitis is one of the most rapidly growing research topics in neurology. Along with discoveries of novel antibodies associated with the disease, clinical experience and outcomes with diverse immunotherapeutic agents in the treatment of autoimmune encephalitis are accumulating. Retrospective observations indicate that early aggressive treatment is associated with better functional outcomes and fewer relapses. Immune response to first-line immunotherapeutic agents (corticosteroids, intravenous immunoglobulin, plasma exchange, and immunoadsorption) is fair, but approximately half or more of patients are administered second-line immunotherapy (rituximab and cyclophosphamide)...
2018: Therapeutic Advances in Neurological Disorders
https://www.readbyqxmd.com/read/29397613/-prognosis-and-its-risk-factors-in-anca-associated-glomerulonephritis-patients-treated-with-initial-renal-replacement-therapy
#16
Y H Chen, X Liu, Z Z Liu, K Li, L Yang, H T Zhang, C H Zeng, F Xu, W X Hu
Objective: To explore the prognosis and its risk factors in anti-neutrophil cytoplasmic antibodies (ANCA)-associated glomerulonephritis (AAGN) patients who needed initial renal replacement therapy (RRT). Methods: One hundred patients [54 females, 46 males, with a median age of 54(41, 60) years] with biopsy-proven AAGN and requiring initial RRT between January 1996 and December 2016 in Nanjing Jinling Hospital were included. Intensive immunotherapy indicated that the patients received corticosteroids in combination with cyclophosphamide or mycophenolate mofetil, or immunoadsorption (IA) or double filtration plasmapheresis (DFPP)...
January 23, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29383411/-neuromyelitis-optica-spectrum-disorder-and-pregnancy
#17
REVIEW
N Borisow, K Hellwig, F Paul
BACKGROUND: Neuromyelitis optica spectrum disorders (NMOSD) are autoimmune inflammatory diseases of the central nervous system that mainly affect women. In some of these patients NMOSD occurs during fertile age. For this reason, treating physicians may be confronted with questions concerning family planning, pregnancy and birth. OBJECTIVE: This study provides an overview on the influence of NMOSD on fertility, pregnancy complications and pregnancy outcome. The effect of pregnancy on NMOSD course and therapy options during pregnancy are discussed...
January 30, 2018: Der Nervenarzt
https://www.readbyqxmd.com/read/29313220/pemphigus-a-comprehensive-review-on-pathogenesis-clinical-presentation-and-novel-therapeutic-approaches
#18
REVIEW
Robert Pollmann, Thomas Schmidt, Rüdiger Eming, Michael Hertl
Pemphigus is a group of rare, potentially devastating autoimmune diseases of the skin and mucous membranes with high morbidity and potentially lethal outcome. The major clinical variant, pemphigus vulgaris (PV) is caused by a loss of intercellular adhesion of epidermal keratinocytes which is induced by IgG autoantibodies against components of desmosomes. Specifically, IgG against the desmosomal adhesion proteins, desmoglein 3 (Dsg3) and desmoglein 1 (Dsg1), preferentially target their ectodomains which are presumably critical for the transinteraction and signalling function of these adhesion molecules...
February 2018: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/29242962/-mucous-membrane-pemphigoid
#19
M M Holtsche, D Zillikens, E Schmidt
Mucous membrane pemphigoid (MMP) is a pemphigoid disease defined by the presence of autoantibodies against the dermal-epidermal junction and predominant involvement of mucous membranes. Diagnosis is made by the clinical presentation and linear deposits of IgG and/or IgA and/or C3 at the dermal-epidermal junction by direct immunofluorescence microscopy of a perilesional biopsy. Circulating autoantibodies can be detected in most patients by indirect immunofluorescence microscopy on salt-split human skin as well as ELISA and immunoblotting with recombinant and cell-derived target antigens...
January 2018: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/29214101/cell-junction-protein-armadillo-repeat-gene-deleted-in-velo-cardio-facial-syndrome-is-expressed-in-the-skin-and-colocalizes-with-autoantibodies-of-patients-affected-by-a-new-variant-of-endemic-pemphigus-foliaceus-in-colombia
#20
Ana Maria Abreu-Velez, Hong Yi, Michael S Howard
Background: We previously described a new variant of endemic pemphigus foliaceus in El Bagre, Colombia, South America (El Bagre-EPF, or pemphigus Abreu-Manu). El Bagre-EPF differs from other types of EPF clinically, epidemiologically, immunologically and in its target antigens. We reported the presence of patient autoantibodies colocalizing with armadillo repeat gene deleted in velo-cardio-facial syndrome (ARVCF), a catenin cell junction protein colocalizing with El Bagre-EPF autoantibodies in the heart and within pilosebaceous units along their neurovascular supply routes...
October 2017: Dermatology Practical & Conceptual
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