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Key Documents

A9794

Sigma-Aldrich

Anti-Human IgM (μ-chain specific)−Alkaline Phosphatase antibody produced in goat

affinity isolated antibody, buffered aqueous solution

Synonyme(s) :

Goat Anti-Human IgM (μ-chain specific)−AP

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About This Item

Numéro MDL:
Code UNSPSC :
12352203
Nomenclature NACRES :
NA.46

Source biologique

goat

Conjugué

alkaline phosphatase conjugate

Forme d'anticorps

affinity isolated antibody

Type de produit anticorps

secondary antibodies

Clone

polyclonal

Forme

buffered aqueous solution

Technique(s)

direct ELISA: 1:50,000
dot blot: 1:60,000
immunohistochemistry (formalin-fixed, paraffin-embedded sections): 1:200
western blot (chemiluminescent): 1:60,000

Conditions d'expédition

wet ice

Température de stockage

2-8°C

Modification post-traductionnelle de la cible

unmodified

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Description générale

There are five immunoglobulin classes in humans. Out of these, immunoglobulin M (IgM ) is a high molecular weight protein that has five or six subunits. IgM monomers are made of two heavy chains and two light chains connected by a disulfide bond. Human serum shows low concentration of IgM monomers. It has a high carbohydrate content of about 12%. It is the first immunoglobulin produced by neonates.

Spécificité

Goat polyclonal anti-Human IgM (μ-chain specific)-Alkaline Phosphatase antibody is specific for human IgM when tested against human IgA, IgG, IgM, Bence Jones kappa, and lambda myeloma proteins. The conjugate shows no reactivity with mouse or rat IgG.

Application

IgM is a glycoprotein with 5 n-linked glycosylation sites on the heavy chain. An ELISA assay was performed to identify glycosylated forms of IgM that bind to lectin. Alkaline phosphatase conjugated goat anti-human IgM was used as the secondary at 1:2000 and developed using p-nitrophenyl substrate (Sigma).

Actions biochimiques/physiologiques

Immunoglobulin M (IgM) acts as an antigen specific part of the B cell antigen receptor on the surface of B lymphocytes that are not stimulated, in its monomeric form. Polymeric IgM molecules also serve as important activators of the classical complement cascade. IgM is essential in agglutination and cytolytic reactions.
Immunoglobulin M (IgM) antibodies appear early in the course of infections. IgM antibodies are responsible for agglutination of red blood cells in mis-matched blood transfusions. The level of IgM may vary with the status of disease or infection. Alkaline Phosphatase is an enzyme that catalyzes the conversion of chromogenic substrates such as p-nitrophenylphosphate (PNPP); chemiluminescent substrates such as CDP-Star® and fluorogenic substrates such as 4-methylumbelliferyl phosphate (4-MUP) into detectable chromophores, light-emitters or fluorescers, respectively.

Autres remarques

No cross-reaction with mouse and rat IgG

Forme physique

Solution in 0.05 M Tris, pH 8.0, containing 1% bovine serum albumin, 1 mM MgCl2 and 15 mM sodium azide

Informations légales

CDP-Star is a registered trademark of Tropix, Inc.

Clause de non-responsabilité

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.

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Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


Certificats d'analyse (COA)

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Krista G Haanstra et al.
Journal of immunology (Baltimore, Md. : 1950), 190(5), 1961-1973 (2013-02-01)
The immune system is characterized by the preferential migration of lymphocytes through specific tissues (i.e., tissue tropism). Tissue tropism is mediated, in part, by the α(4) integrins expressed by T lymphocytes. The α(4)β(1) integrin mediates migration of memory T lymphocytes
The Immunoglobulins: Structure and Function (1998)
A V Sokoloff et al.
Molecular therapy : the journal of the American Society of Gene Therapy, 3(6), 821-830 (2001-06-16)
Our previous study indicated that normal serum contains complement-fixing natural IgM antibodies reacting with a large variety of randomly generated protein carboxy-termini. Here we show that the "carboxy-terminal" IgM (C-IgM) antibodies specifically react with short peptide sequences located immediately at
W Walker et al.
Clinical and experimental immunology, 101(3), 494-501 (1995-09-01)
The reported ability of SCID mice to accept xenografts of both human tumors and peripheral blood lymphocytes (PBL) provides the potential for the development of novel immunotherapy models in these animals. This study describes the development of a novel small
Krista G Haanstra et al.
Journal of immunology (Baltimore, Md. : 1950), 194(4), 1454-1466 (2015-01-16)
Costimulatory and coinhibitory receptor-ligand pairs on T cells and APC control the immune response. We have investigated whether selective blockade of CD28-CD80/86 costimulatory interactions, which preserves the coinhibitory CTLA4-CD80/86 interactions and the function of regulatory T (Treg) cells, abrogates the

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