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F5027

Sigma-Aldrich

Monoclonal Anti-IgD−FITC antibody produced in mouse

clone HJ9, purified immunoglobulin, buffered aqueous solution

Synonym(s):

Monoclonal Anti-Human IgD

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About This Item

UNSPSC Code:
12352203

biological source

mouse

conjugate

FITC conjugate

antibody form

purified immunoglobulin

antibody product type

secondary antibodies

clone

HJ9, monoclonal

form

buffered aqueous solution

species reactivity

human

technique(s)

flow cytometry: 10 μL using 1 × 106 cells

isotype

IgG1

UniProt accession no.

shipped in

wet ice

storage temp.

2-8°C

target post-translational modification

unmodified

Gene Information

human ... IGHD(3495)

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Specificity

Recognizes the delta chain of human IgD and is not reactive with heavy chains from human IgG1, IgG2, IgG3, IgG4, IgM, IgA, or kappa and lambda light chains.

Immunogen

human IgD

Application

Monoclonal Anti-IgD-FITC antibody is suitable for flow cytometry at a concentration of 10μL using 1×106 cells.

Biochem/physiol Actions

IgD is the major antigen receptor isotype coexpressed with IgM on the surface of human peripheral B cells. It is associated with early antibody response. It occupies approximately 0.25% of total immunoglobulins. In serum, it has shown that the catabolism of IgD is decreased at high concentrations. IgD molecule comprises of a long “hinge” region (between Fab and Fc) including three constant region domains. This makes the molecule very susceptible to proteolytic degradation with production of Fab and Fc fragments. It also helps to maintain the molecule flexibility that enhance antigen binding capacity. IgD is a potent inducer of tumor necrosis factor (TNF), Interlukin 1β(IL1β), and Interlukin IL1RN (IL1RN). It also accelerates the release of IL6, IL10 from peripheral blood mononuclear cells. Its increased level in serum causes hyper-IgD and periodic fever syndrome (HIDS).

Other Notes

IgD is expressed on peripheral B cells and is used as a pan-B cell marker.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 1% bovine serum albumin and 15 mM sodium azide

Preparation Note

Prepared by conjugation to fluorescein isothiocyanate isomer I (FITC). This green dye is efficiently excited at 495 nm and emits at 525 nm.

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.

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Certificates of Analysis (COA)

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Immunoglobulin D: properties, measurement, and clinical relevance.
A O Vladutiu
Clinical and diagnostic laboratory immunology, 7(2), 131-140 (2000-03-07)
J P Drenth et al.
Immunology, 88(3), 355-362 (1996-07-01)
Immunoglobulin D (IgD) is normally present in only low concentrations in serum. In the hyper-IgD and periodic fever syndrome (HIDS), however, serum levels exceed 140 mg/l. This syndrome is further characterized by recurrent inflammatory febrile attacks together with an acute

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