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PubMed Journals Articles About "Current Anti Standard Antibodies React With Integrin Subunit" RSS

15:05 EST 18th January 2020 | BioPortfolio

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Showing "Current Anti Standard Antibodies React with Integrin Subunit" PubMed Articles 1–25 of 28,000+

Current Anti-HPA-1a Standard Antibodies React with the β3 Integrin Subunit but not with αIIbβ3 and αvβ3 Complexes.

 Fetal/neonatal alloimmune thrombocytopenia (FNAIT) results from maternal alloantibodies (abs) reacting with fetal platelets expressing paternal human platelet antigens (HPAs), mostly HPA-1a. Anti-HPA-1a abs, are the most frequent cause of severe thrombocytopenia and intracranial hemorrhage (ICH).


Anti-M-Induced Delayed Hemolytic Transfusion Reaction.

Anti-M is most often assumed to be naturally occurring and can be comprised of a mixture of predominantly immunoglobulin(Ig)M with a lesser IgG component. Anti-M-antibodies usually do not react at 37°C and therefore are considered to be of little clinical significance.

Yeast-produced subunit protein vaccine elicits broadly neutralizing antibodies that protect mice against Zika virus lethal infection.

Zika virus (ZIKV) infection is a serious public health concern due to its ability to induce neurological defects and its potential for rapid transmission at a global scale. However, no vaccine is currently available to prevent ZIKV infection. Here, we report the development of a yeast-derived subunit protein vaccine for ZIKV. The envelope protein domain III (EDIII) of ZIKV was produced as a secretory protein in the yeast Pichia pastoris. The yeast-derived EDIII could inhibit ZIKV infection in vitro in a dos...


Integrin α11β1 is expressed in breast cancer stroma and associates with aggressive tumor phenotypes.

Cancer-associated fibroblasts are essential modifiers of the tumor microenvironment. The collagen-binding integrin α11β1 has been proposed to be upregulated in a pro-tumorigenic subtype of cancer-associated fibroblasts. Here, we analyzed the expression and clinical relevance of integrin α11β1 in a large breast cancer series using a novel antibody against the human integrin α11 chain. Several novel monoclonal antibodies against the integrin α11 subunit were tested for use on formalin-fixed paraffin-emb...

T-Cell Engagers Based Bioassay for Evaluation of PD-1/PD-L1 Inhibitors Activity.

PD-1/PD-L1-based therapy has been named a revolution in cancer treatment. By the end of 2018, more than 100 anti-PD-1 and anti-PD-L1 antibodies were in various stages of development, and more than 2000 clinical trials with their use have been registered. Characterization of such antibodies requires a bioassay to determine their biological activity. In this study, we developed a cell-based bioassay for analyzing the activity of anti-PD-1 and anti-PD-L1 antibodies. We chose reporter system consisting of two c...

HLA-DQA1*05 Carriage Associated With Development of Anti-Drug Antibodies to Infliximab and Adalimumab in Patients With Crohn's Disease.

Anti-tumor necrosis factor (anti-TNF) therapies are the most widely used biologic drugs for treating immune-mediated diseases, but repeated administration can induce the formation of anti-drug antibodies. The ability to identify patients at increased risk for development of anti-drug antibodies would facilitate selection of therapy and use of preventative strategies.

Recurrence of goodpasture syndrome with negative antiglomerular basement antibodies. Report of one case.

Goodpasture Syndrome is described as a single episode disease entity. It is diagnosed with the demonstration of antiglomerular basement (anti-GBM) antibodies in plasma or renal tissue. Although the recurrence of anti-GBM disease is rare, it has been reported in up to 3% of cases. Recurrence with negative anti-GBM antibodies in plasma is even less frequent We report a 63 years old male in whom anti-GBM disease recurred without detectable anti-GBM antibodies in plasma, despite having positive antibodies at th...

Analysis Of The Vaccine-Induced Influenza B Virus Hemagglutinin-Specific Antibody Dependent Cellular Cytotoxicity Response.

Influenza A virus (IAV) and influenza B virus (IBV) cause substantial morbidity and mortality during seasonal epidemics. On basis of variation in the surface glycoprotein hemagglutinin, two antigenically distinct lineages of IBV are distinguished: B/Victoria/2/87-like (B/Vic) and B/Yamagata/16/88-like (B/Yam). To prevent IAV and IBV infections, both trivalent (containing IBV of one lineage) and quadrivalent (containing IBV of both lineages) influenza vaccines are used. In addition to virus-neutralizing anti...

Native versus deglycosylated IgM in anti-MAG neuropathy: Correlation with clinical status - Study of 10 cases.

In anti-myelin associated glycoprotein (anti-MAG) neuropathies, there is evidence that anti-MAG antibodies are pathogenic but numerous studies report the absence or a weak correlation between the titers of these antibodies and disease course. In this study we assessed the relationships between MAG and glycosylated moieties located on Fc fragment of IgM anti-MAG.

Using monoclonal antibodies to investigate molecular immunology: there's more to know!

The study of cellular and molecular immunology is almost completely dependent on monoclonal antibody technology. Despite the relatively long history of monoclonal antibodies, there is still huge potential for developing novel and transformative uses for this technology. In this issue of Immunology, we present two such papers, one focussing on anti-complement (C5) antibodies, the other on anti-CD6-specific antibodies. Both manuscripts describe novel ways that monoclonal antibodies may be used for scientific ...

The Haywain: Anti-synthethase Antibodies in Patients with Inflammatory Diseases: Targeting Monocytes or Neutrophils?

Autoantibiodies against aminoacyl-tRNA synthetases are found in patients suffering from a wide range of autoimmune and inflammatory disorders. Recent data indicate that these antibodies are directed against splice-variants of synthetase genes, the so-called catalytic nulls. Latter molecules have cytokine-like functions and are involved in regulation of the activation of lymphocytes, monocytes and granulocytes. The potential role of anti-synthetase antibodies as diagnostic tool and as target for therapeutic ...

Pharmacotherapies for the Treatment of Eosinophilic Esophagitis: State of the Art Review.

Eosinophilic esophagitis (EoE), a chronic allergic disorder of the esophagus, is characterized by symptoms of esophageal dysfunction and eosinophil-predominant inflammation. The incidence of EoE has increased substantially over the past two decades, coinciding with the so-called allergy epidemic. Current treatment options consist of dietary intervention, endoscopic dilatation, and pharmacotherapy. Given that EoE is a chronic progressive disease that is prone to relapse after cessation of therapy, these trea...

Monoclonal antibodies against RANKL and sclerostin for myeloma-related bone disease: can they change the standard of care?

: Over 80% of patients with multiple myeloma (MM) develop myeloma bone disease (MBD) during the disease course. The clinical consequences include serious skeletal related events (SRE) that impact survival and quality of life. Bisphosphonates are the mainstay in the treatment of MBD. Currently, new therapeutic strategies are being introduced and broaden the therapeutic options in MBD. : The purpose of this review is to summarize the current clinical management of MBD, and present novel data regarding monoclo...

Clinical usefulness of anti-M-type phospholipase-A-receptor antibodies in patients with membranous nephropathy and the comparison of three quantification methods.

Associations between anti-M-type phospholipase A2 receptor (PLA2R) antibodies and disease activity and prognosis have been suggested in primary membranous nephropathy (MN); however, more evidence is needed. We aimed to establish a clinically useful method to measure anti-PLA2R antibodies. We developed a western blot assay and a cell-based enzyme-linked immunosorbent assay (ELISA). Anti-PLA2R antibodies were evaluated retrospectively using these assays and the commercial solid-phase ELISA. Anti-PLA2R antibod...

Limitations of neutrophil depletion by anti-Ly6G antibodies in two heterogenic immunological models.

Neutrophil-depleting antibodies, such as anti-GR1 (RB6-8C5) and anti-Ly6G (1A8), are commonly used to study the in vivo function of neutrophils in murine disease models. Anti-Ly6G antibodies became the standard, because in contrast to anti-GR1, these do not bind Ly6C. The efficiency of the depletion needs to be carefully analysed as flow cytometry plots may be misinterpreted. For example, the staining intensity of GR1 on neutrophils (CD11b GR1) drops upon anti-Ly6G administration. We show that this drop is ...

Reassessment of the clinical impact of preformed donor-specific anti-HLA-Cw antibodies in kidney transplantation.

Anti-denatured HLA-Cw antibodies are highly prevalent while anti-native HLA-Cw antibodies seem to lead to random flow cytometry crossmatch results. We aimed to reassess crossmatch prediction for anti-HLA-Cw using two types of Single Antigen Flow Beads (classical beads and beads with diminished expression of denatured HLA), and to compare the pathogenicity of preformed anti-denatured and anti-native HLA-Cw antibodies in kidney transplantation. We performed 135 crossmatches with sera reacting against donor HL...

Anti-glycan IgM repertoires in newborn human cord blood.

Natural antibodies are an innate-like subset of serum antibodies involved in host defense, tumor surveillance, homeostasis, and autoimmunity. Defining the natural antibody repertoire is critical for identifying biomarkers, developing vaccines, controlling and preventing autoimmunity, and understanding the development and organization of the immune system. While natural antibodies to protein antigens have been studied in depth, little is known about natural antibodies to carbohydrate antigens. To address thi...

Are We Missing Subtle Forms of Anti-N-Methyl-D-Aspartate Encephalitis With the Current Diagnostic Approach? A Case Report.

Encephalitis related to antibodies against the N-methyl-D-aspartate receptor (NMDAr) is a recently described clinical entity in which IgG autoantibodies against the NR1 subunit of the NMDAr lead to the appearance of complex neuropsychiatric symptoms. As psychiatric symptoms predominate in early stages, anti-NMDAr encephalitis is frequently mistaken as a primary psychiatric disorder which delays treatment and has serious consequences for patients. This report presents the case of a 24-year-old woman with a s...

Selective depletion of plasma cells in vivo based on the specificity of their secreted antibodies.

Antibody-mediated diseases affect more than 10% of the human population. For most, no cure is available, particularly when the pathogenic antibodies are secreted by long-lived plasma cells resistant to conventional immunosuppressive therapies. Current therapeutic approaches target not only the plasma cells that secrete pathogenic antibodies, but also those providing protective antibodies. Here, in a murine model bearing long-lived plasma cells secreting anti-ovalbumin (OVA) and -chicken gamma globulin (CGG)...

Silencing arginine kinase / integrin β subunit by transgenic plant expressing dsRNA inhibits the development and survival of Plutella xylostella.

Plutella xylostella is a devastating agricultural insect pest of cruciferous plants including crops. Plant-mediated RNAi is currently being developed for plant protection. In this study, we investigated the response of P. xylostella exposed to transgenic Arabidopsis thaliana plants that expressed dsRNA targeting P. xylostella genes of arginine kinase (PxAK) and integrin β subunit (Pxβ).

Commentary on "Are We Missing Subtle Forms of Anti-N-Methyl-D-Aspartate Encephalitis With the Current Diagnostic Approach? A Case Report".

Encephalitis related to antibodies against the N-methyl-D-aspartate receptor (NMDAr) is a recently described clinical entity in which IgG autoantibodies against the NR1 subunit of the NMDAr lead to the appearance of complex neuropsychiatric symptoms. As psychiatric symptoms predominate in early stages, anti-NMDAr encephalitis is frequently mistaken as a primary psychiatric disorder which delays treatment and has serious consequences for patients. This report presents the case of a 24-year-old woman with a s...

Antibodies against carbamylated vimentin exist in systemic lupus erythematosus and correlate with disease activity.

Antibodies against carbamylated protein (anti-CarP) were found to be a promising marker to evaluate joint damage and disease activity in patients with rheumatoid arthritis (RA). However, whether anti-CarP antibodies were present in systemic lupus erythematosus (SLE) remained ambiguous. We have therefore undertaken this study to assess the levels of serum anti-CarP antibodies and to evaluate their clinical value in SLE.

Acute lymphoblastic leukaemia patients treated with PEGasparaginase develop antibodies to PEG and the succinate linker.

Polyethylene glycol (PEG) conjugated asparaginase (PEGasparaginase) is essential for treatment of paediatric acute lymphoblastic leukaemia. We developed an assay identifying antibodies against the PEG-moiety, the linker and the drug itself in patients experiencing hypersensitivity reactions to PEGasparaginase. Eighteen patients treated according to the DCOG ALL-11 protocol, with a neutralizing hypersensitivity reaction to PEGasparaginase to the first PEGasparaginase doses in induction (12 patients) or durin...

Only monospecific anti-DFS70 antibodies aid in the exclusion of antinuclear antibody associated rheumatic diseases: an Italian experience.

Background The dense fine speckled (DFS) is one of the most common patterns that can be observed as a result of the anti-nuclear antibodies (ANA) test on HEp-2 cells and is mostly caused by antibodies to DFS70 as the main antigenic target. As was recently demonstrated, isolated anti-DFS70 positivity can be used as an aid in the exclusion of ANA associated rheumatic diseases (AARD) due to the opportunity to better interpret unexplained positive IIF ANA results. Methods Our study included 333 subjects with AA...

Integrin Signaling: Linking Mechanical Stimulation to Skeletal Muscle Hypertrophy.

The α7β1 integrin is a transmembrane adhesion protein that connects laminin in the extracellular matrix (ECM) with actin in skeletal muscle fibers. The α7β1 integrin is highly expressed in skeletal muscle and is concentrated at costameres and myotendious junctions, providing the opportunity to transmit longitudinal and lateral forces across the membrane. Studies have demonstrated that α7 integrin subunit mRNA and protein are upregulated following eccentric contractions as a mechanism to reinforce load ...


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