Mouse IgG2b, Clone AM5, Bovine Mab anti_, HRP; ELISA

588 EUR
705 USD
488 GBP
known as: Mouse IgG2b, Clone AM5, Bovine Mab anti_, HRP; ELISA
Catalog number: genta-YSRTMCA1423P
Product Quantity: 1.0 mg.
Category: Peptides
Supplier: Accu

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Gene target: igg2b clone am5 mab

Related genes to: Mouse IgG2b, Clone AM5, Bovine Mab anti_, HRP; ELISA

Symbol : am5 NIH gene
chromosome : 19
description : adrenomedullin 5
type of gene : protein-coding
Modification date : 2016-05-26
Symbol : IGG2B NIH gene
Synonyms : IgG
description : Ig gamma 2b chain constant region
type of gene : other
Modification date : 2015-11-15

Related Pathways to: Mouse IgG2b, Clone AM5, Bovine Mab anti_, HRP; ELISA

Related product to: Mouse IgG2b, Clone AM5, Bovine Mab anti_, HRP; ELISA

Related Articles about: Mouse IgG2b, Clone AM5, Bovine Mab anti_, HRP; ELISA

Production and Purification of a Polyclonal Antibody Against Purified Mouse IgG2b in Rabbits Towards Designing Mouse Monoclonal Isotyping Kits.

Mouse IgG subclasses containing IgG1, IgG2a, IgG2b and IgG3 have been defined and described both physiochemically and immunologically. - Source :PubMed

Lactoferrin causes IgA and IgG2b isotype switching through betaglycan binding and activation of canonical TGF-β signaling.

Lactoferrin (LF), a pleiotropic iron-binding glycoprotein, is known to modulate the humoral immune response. However, its exact role in Ig synthesis has yet to be elucidated. In this study, we investigated the effect of LF on Ig production by mouse B cells and its underlying mechanisms. LF, like transforming growth factor (TGF)-β1, stimulated B cells to produce IgA and IgG2b, while downregulating other isotypes. Using limiting dilution analysis, LF was shown to increase the frequency of IgA-secreting B-cell clones. This was paralleled by an increase in Ig germ-line α (GLα) transcripts, indicating that LF plays a role as an IgA switch factor. Interestingly, LF directly interacted with betaglycan (TGF-β receptor III, TβRIII) and in turn induced phosphorylation of TβRI and Smad3 through formation of the TβRIII/TβRII/TβRI complex, leading to IgA isotype switching. Peroral administration of LF increased intestinal/serum IgA production as well as number of IgA plasma cells in lamina propria. Finally, we found that LF has an adjuvant activity when nontoxigenic Salmonella typhimurium was inoculated perorally, conferring protection against intragastrical infection of toxigenic S. typhimurium. These results suggest that LF has an important effect on the mucosal/systemic IgA response and can contribute to protection against intestinal pathogens. - Source :PubMed

OVA-bound nanoparticles induce OVA-specific IgG1, IgG2a, and IgG2b responses with low IgE synthesis.

There is an urgent requirement for a novel vaccine that can stimulate immune responses without unwanted toxicity, including IgE elevation. We examined whether antigen ovalbumin (OVA) conjugated to the surface of nanoparticles (NPs) (OVA-NPs) with average diameter of 110nm would serve as an immune adjuvant. When BALB/c mice were immunized with OVA-NPs, they developed sufficient levels of OVA-specific IgG1 antibody responses with low levels of IgE synthesis, representing helper T (Th)2-mediated humoral immunity. OVA-specific IgG2a and IgG2b responses (i.e., Th1-mediated immunity) were also induced by secondary immunization with OVA-NPs. As expected, immunization with OVA in alum (OVA-alum) stimulated humoral immune responses, including IgG1 and IgE antibodies, with only low levels of IgG2a/IgG2b antibodies. CD4-positive T cells from mice primed with OVA-NPs produced substantial levels of IL-21 and IL-4, comparable to those from OVA-alum group. The irradiated mice receiving OVA-NPs-primed B cells together with OVA-alum-primed T cells exhibited enhanced anti-OVA IgG2b responses relative to OVA-alum-primed B cells and T cells following stimulation with OVA-NPs. Moreover, when OVA-NPs-primed, but not OVA-alum-primed, B cells were cultured in the presence of anti-CD40 monoclonal antibody, IL-4, and IL-21, or LPS plus TGF-β in vitro, OVA-specific IgG1 or IgG2b antibody responses were elicited, suggesting that immunization with OVA-NPs modulates B cells to generate IgG1 and IgG2b responses. Thus, OVA-NPs might exert their adjuvant action on B cells, and they represent a promising potential vaccine for generating both IgG1 and IgG2a/IgG2b antibody responses with low IgE synthesis. - Source :PubMed

Heavy chain-only IgG2b llama antibody effects near-pan HIV-1 neutralization by recognizing a CD4-induced epitope that includes elements of coreceptor- and CD4-binding sites.

The conserved HIV-1 site of coreceptor binding is protected from antibody-directed neutralization by conformational and steric restrictions. While inaccessible to most human antibodies, the coreceptor site has been shown to be accessed by antibody fragments. In this study, we used X-ray crystallography, surface plasmon resonance, and pseudovirus neutralization to characterize the gp120-envelope glycoprotein recognition and HIV-1 neutralization of a heavy chain-only llama antibody, named JM4. We describe full-length IgG2b and IgG3 versions of JM4 that target the coreceptor-binding site and potently neutralize over 95% of circulating HIV-1 isolates. Contrary to established trends that show improved access to the coreceptor-binding region by smaller antibody fragments, the single-domain (VHH) version of JM4 neutralized less well than the full-length IgG2b version of JM4. The crystal structure at 2.1-Å resolution of VHH JM4 bound to HIV-1 YU2 gp120 stabilized in the CD4-bound state by the CD4-mimetic miniprotein, M48U1, revealed a JM4 epitope that combined regions of coreceptor recognition (including the gp120 bridging sheet, V3 loop, and β19 strand) with gp120 structural elements involved in recognition of CD4 such as the CD4-binding loop. The structure of JM4 with gp120 thus defines a novel CD4-induced site of vulnerability involving elements of both coreceptor- and CD4-binding sites. The potently neutralizing JM4 IgG2b antibody that targets this newly defined site of vulnerability adds to the expanding repertoire of broadly neutralizing antibodies that effectively neutralize HIV-1 and thereby potentially provides a new template for vaccine development and target for HIV-1 therapy. - Source :PubMed

Comparative transcriptomics of H. pylori strains AM5, SS1 and their hpyAVIBM deletion mutants: possible roles of cytosine methylation.

Helicobacter pylori is an important human pathogen and one of the most successful chronic colonizers of the human body. H. pylori uses diverse mechanisms to modulate its interaction with the host in order to promote chronic infection and overcome host immune response. Restriction-modification genes are a major part of strain-specific genes present in H. pylori. The role of N(6)--adenine methylation in bacterial gene regulation and virulence is well established but not much is known about the effect of C(5) -cytosine methylation on gene expression in prokaryotes. In this study, it was observed by microarray analysis and RT-PCR, that deletion of an orphan C(5) -cytosine methyltransferase, hpyAVIBM in H. pylori strains AM5and SS1 has a significant effect on the expression of number of genes belonging to motility, adhesion and virulence. AM5ΔhpyAVIBM mutant strain has a different LPS profile and is able to induce high IL-8 production compared to wild-type. hpyAVIBM from strain 26695 is able to complement mutant SS1 and AM5 strains. This study highlights a possible significance of cytosine methylation in the physiology of H. pylori. - Source :PubMed

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