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I4639

Sigma-Aldrich

IgG4, Kappa from human myeloma plasma

purified immunoglobulin, >95% (SDS-PAGE)

Synonym(s):

Human IgG4-κ

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.46

biological source

human

Quality Level

conjugate

unconjugated

antibody form

purified immunoglobulin

Assay

>95% (SDS-PAGE)

shipped in

dry ice

storage temp.

−20°C

General description

IgG antibody subtype is the most abundant serum immunoglobulins of the immune system. It is secreted by B cells and is found in blood and extracellular fluids and provides protection from infections caused by bacteria, fungi and viruses. Maternal IgG is transferred to fetus through the placenta that is vital for immune defence of the neonate against infections. IgG4, κ is obtained from human IgG4 κ myeloma sera and purified by fractionation, ion-exchange, and affinity chromatography.

Application

The purified IgG4, κ, may be used as an immunoglobulin calibrator, reference antigen, blocking agent, or coating protein in a variety of immunoassays including ELISA, dot blot immunobinding, Western immunobloting, immunodiffusion, immunoelectrophoresis, hemagglutination, and cell-binding assays. Purified IgG4, κ, was used as standard in ELISA and for labelling human IgG subclasses by flow cytometry.

Physical form

Solution in 0.02 M Tris buffered saline, pH 8.0.

Analysis Note

The purity and identity are determined by immunoelectrophoresis, indirect ELISA, and SDS-PAGE.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Igor Klyubin et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(18), 6140-6145 (2014-05-03)
Alzheimer's disease (AD) is associated with pathological assembly states of amyloid-β protein (Aβ). Aβ-related synaptotoxicity can be blocked by anti-prion protein (PrP) antibodies, potentially allowing therapeutic targeting of this aspect of AD neuropathogenesis. Here, we show that intravascular administration of
Yoshie Gon et al.
PloS one, 18(2), e0279389-e0279389 (2023-02-11)
Immunoglobulin (Ig) G4 is an IgG subclass that can exhibit inhibitory functions under certain conditions because of its capacity to carry out Fab-arm exchange, inability to form immune complexes, and lack of antibody-dependent and complement-dependent cytotoxicity. Although several diseases have
D Dokic et al.
Prilozi, 26(2), 113-129 (2006-01-10)
A new depot allergoid of house dust mite (Dermatophagoides pteronyssinus - D.pt) has been created in line with the principles and methodology established in the successful development of pollen allergoids. A two-year double-blind placebo-controlled clinical trial, with one further follow-up
Angeliki Fotinopoulou et al.
Biotechnology and applied biochemistry, 37(Pt 1), 1-7 (2003-02-13)
Two lectin-binding methods were investigated as possible ways of monitoring the glycosylation of human monoclonal antibodies during their development and production. Carbohydrate composition was assessed in various preparations that were produced in different host cell types, cell sublines or batches
Y Murata et al.
Clinical and experimental immunology, 190(1), 133-142 (2017-06-16)
The cause of pleural effusion remains uncertain in approximately 15% of patients despite exhaustive evaluation. As recently described immunoglobulin (Ig)G4-related disease is a fibroinflammatory disorder that can affect various organs, including the lungs, we investigate whether idiopathic pleural effusion includes

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