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HPA002190

Sigma-Aldrich

Anti-CD55 antibody produced in rabbit

enhanced validation

affinity isolated antibody, buffered aqueous glycerol solution

Synonym(s):

Anti-CD55 antigen antibody produced in rabbit, Anti-Complement decay-accelerating factor precursor antibody produced in rabbit

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About This Item

MDL number:
UNSPSC Code:
12352203
Human Protein Atlas Number:
NACRES:
NA.41

biological source

rabbit

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous glycerol solution

species reactivity

human

enhanced validation

orthogonal RNAseq
Learn more about Antibody Enhanced Validation

technique(s)

immunohistochemistry: 1:50-1:200

immunogen sequence

YCPAPPQIDNGIIQGERDHYGYRQSVTYACNKGFTMIGEHSIYCTVNNDEGEWSGPPPECRGKSLTSKVPPTVQKPTTVNVPTTEVSPTSQKTTTKTTTPNAQATRSTPVSRTTKHFHETTPNKGSGTTSGTTRLLSGHTCFTLTGLLGTLVTMG

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... CD55(1604)

General description

CD55, a widely-distributed a 70kDa phosphatidyl inositol-anchored protein, acts as a complement regulatory protein. It is expressed in wide range of cells such as normal tissues, body fluids and stroma along with several cancerous cells such as colorectal cancer.

Immunogen

Complement decay-accelerating factor precursor recombinant protein epitope signature tag (PrEST)

Application

All Prestige Antibodies Powered by Atlas Antibodies are developed and validated by the Human Protein Atlas (HPA) project and as a result, are supported by the most extensive characterization in the industry.

The Human Protein Atlas project can be subdivided into three efforts: Human Tissue Atlas, Cancer Atlas, and Human Cell Atlas. The antibodies that have been generated in support of the Tissue and Cancer Atlas projects have been tested by immunohistochemistry against hundreds of normal and disease tissues and through the recent efforts of the Human Cell Atlas project, many have been characterized by immunofluorescence to map the human proteome not only at the tissue level but now at the subcellular level. These images and the collection of this vast data set can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. We also provide Prestige Antibodies® protocols and other useful information.

Biochem/physiol Actions

CD55 is involved in the complement-mediated cell lysis. It triggers proliferation of human peripheral T cells. It mainly helps in dissociating C3/C5 convertases as well as preventing the assembly of C3/C5 convertases in both the classic and alternative pathways of the complement system.

Features and Benefits

Prestige Antibodies® are highly characterized and extensively validated antibodies with the added benefit of all available characterization data for each target being accessible via the Human Protein Atlas portal linked just below the product name at the top of this page. The uniqueness and low cross-reactivity of the Prestige Antibodies® to other proteins are due to a thorough selection of antigen regions, affinity purification, and stringent selection. Prestige antigen controls are available for every corresponding Prestige Antibody and can be found in the linkage section.

Every Prestige Antibody is tested in the following ways:
  • IHC tissue array of 44 normal human tissues and 20 of the most common cancer type tissues.
  • Protein array of 364 human recombinant protein fragments.

Linkage

Corresponding Antigen APREST78247

Physical form

Solution in phosphate-buffered saline, pH 7.2, containing 40% glycerol and 0.02% sodium azide

Legal Information

Prestige Antibodies is a registered trademark of Merck KGaA, Darmstadt, Germany

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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Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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J Golay et al.
Blood, 95(12), 3900-3908 (2000-06-14)
The chimeric anti-CD20 MAb rituximab has recently become a treatment of choice for low-grade or follicular non-Hodgkin's lymphomas (FL) with a response rate of about 50%. In this report, we have investigated the mechanism of action of rituximab on 4
T Seya et al.
Leukemia & lymphoma, 12(5-6), 395-400 (1994-02-01)
The distribution and levels of three membrane proteins, CD35, CD46, and CD55, which serve as complement regulators, were examined in normal peripheral blood and hematologically malignant cells. CD35 was negative in most leukemia cells regardless of the type of leukemia
E D Vainer et al.
Tissue antigens, 82(1), 26-34 (2013-05-23)
CD55 (decay-accelerating factor, DAF) is overexpressed in several types of cancer, including colorectal cancer. Because of its inhibitory effect on the complement system, it has been suggested as a possible target for cancer immunotherapy. However, CD55 is also expressed in
A M Shenoy-Scaria et al.
Journal of immunology (Baltimore, Md. : 1950), 149(11), 3535-3541 (1992-12-01)
Decay-accelerating factor (DAF or CD55) is a 70-kDa glycosyl-phosphatidylinositol (GPI)-anchored protein that protects cells from complement-mediated lysis by either preventing the formation of or dissociating C3 convertases. Cross-linking of DAF on human peripheral T cells by polyclonal antibodies has previously
T Ward et al.
The EMBO journal, 13(21), 5070-5074 (1994-11-01)
Using an anti-receptor mAb that blocks the attachment of echovirus 7 and related viruses (echoviruses 13, 21, 29 and 33), we have isolated a complementary DNA clone that encodes the human decay-accelerating factor (CD55). Mouse cells transfected with the CD55

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