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Western Blot (WB) (Native western blot analysis of human MDA-MB-231 breast cancer cell lysate (lanes 1 & 2),human recombinant CD55 extracellular region protein (lane 3), and CD44 extracellular region protein (lane 4). The blots were probed with mouse monoclonal anti-CD55 (CM0331) at 1:1000 (lane 1) and 1:4000 (lanes 2, 3, and 4).)

Mouse anti-Human CD55 Monoclonal Antibody | anti-CD55 antibody

CD55 (Extracellular region) M033 Antibody

Gene Names
CD55; CR; TC; DAF; CROM
Reactivity
Human
Applications
Western Blot, ELISA, Immunocytochemistry, Immunoprecipitation
Purity
Protein G chromatography
Synonyms
CD55; Monoclonal Antibody; CD55 (Extracellular region) M033 Antibody; CD55 (Extracellular region); CD055 M033; anti-CD55 antibody
Ordering
For Research Use Only!
Host
Mouse
Reactivity
Human
Clonality
Monoclonal
Isotype
IgG1
Clone Number
M033
Specificity
Clone M033 was purified using Protein G chromatography. The antibody detects 75-100kDa* bands corresponding to the molecular mass of CD55 on SDS-PAGE immunoblots of "native" A431, HeLa, MCF7, and MDA-MB-231 cell lysates, but does not detect the denatured form of CD55. The antibody also detects a "native" human recombinant CD55 protein that includes the extracellular region. The antibody can be used for native western blot, immunoprecipitation, protein ELISA, and immunocytochemistry, as well for detecting CD55 in live, unfixed cells.
Purity/Purification
Protein G chromatography
Form/Format
Mouse monoclonal antibody purified with protein G chromatography is supplied in 100ul phosphate-buffered saline, 50% glycerol, 1mg/ml BSA, and 0.05% sodium azide.
Applicable Applications for anti-CD55 antibody
Western Blot (WB), ELISA (EIA)Cap, Immunocytochemistry (ICC), Immunoprecipitation (IP)
Application Notes
ELISA (Cap): 1:100
ICC: 1:100
IP: 1:50
WB: 1:1000
Immunogen
Clone M033 was generated from a proprietary antigen related to the extracellular region of human CD55 from the MDA-MB-231 breast cancer cell line.
Preparation and Storage
Store at -20 degree C. Stable for 1 year.

Western Blot (WB)

(Native western blot analysis of human MDA-MB-231 breast cancer cell lysate (lanes 1 & 2),human recombinant CD55 extracellular region protein (lane 3), and CD44 extracellular region protein (lane 4). The blots were probed with mouse monoclonal anti-CD55 (CM0331) at 1:1000 (lane 1) and 1:4000 (lanes 2, 3, and 4).)

Western Blot (WB) (Native western blot analysis of human MDA-MB-231 breast cancer cell lysate (lanes 1 & 2),human recombinant CD55 extracellular region protein (lane 3), and CD44 extracellular region protein (lane 4). The blots were probed with mouse monoclonal anti-CD55 (CM0331) at 1:1000 (lane 1) and 1:4000 (lanes 2, 3, and 4).)

Immunocytochemistry (ICC)

(Immunocytochemical labeling of CD55 in paraformaldehyde fixed human MDA-MB-231 breast cancer cells. The cells were labeled with mouse monoclonal anti-CD55 (CM0331). The antibody was detected using goat anti-mouse DyLight 594.)

Immunocytochemistry (ICC) (Immunocytochemical labeling of CD55 in paraformaldehyde fixed human MDA-MB-231 breast cancer cells. The cells were labeled with mouse monoclonal anti-CD55 (CM0331). The antibody was detected using goat anti-mouse DyLight 594.)

Standard Curve

(Representative Standard Curve using mouse monoclonal anti-CD55 (CM0331) for ELISA capture of human recombinant CD55 extracellular region with His-tag. Capture was detected by using an anti-His-tag antibody followed by appropriate secondary antibody conjugated to HRP.)

Standard Curve (Representative Standard Curve using mouse monoclonal anti-CD55 (CM0331) for ELISA capture of human recombinant CD55 extracellular region with His-tag. Capture was detected by using an anti-His-tag antibody followed by appropriate secondary antibody conjugated to HRP.)
Related Product Information for anti-CD55 antibody
CD55, also known as Decay-Accelerating Factor (DAF) is an inhibitor of the complement system, and is broadly expressed in malignant tumors. In cancer, CD55 has been implicated in tumorigenesis, neoangiogenesis, and metastasis. CD55 may decrease complement mediated tumor cell lysis, inhibit tumor apoptosis, and promote invasive cancer cell motility. These roles in cancer may involve binding to the seven-span transmembrane receptor CD97. In neuroblastoma cells, CD55 contributes to growth of colonies and to invasion of cells, but not to stemness. In neuroblastoma cells, CD55 is upregulated in a small population of cells that are HIF-2alpha positive. This CD55-positive subpopulation is highly invasive and has low adhesion to fibronectin and collagen. In addition, CD55 expression correlates with poor prognosis in neuroblastoma patients.
References
Cimmino F et al. (2016) Oncogenesis 5:e212
Mikesch JH et al.(2006) Cell Oncol. 28(5-6):223.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
41,400 Da
NCBI Official Full Name
complement decay-accelerating factor isoform 1 preproprotein
NCBI Official Synonym Full Names
CD55 molecule, decay accelerating factor for complement (Cromer blood group)
NCBI Official Symbol
CD55
NCBI Official Synonym Symbols
CR; TC; DAF; CROM
NCBI Protein Information
complement decay-accelerating factor; CD55 antigen
UniProt Protein Name
Complement decay-accelerating factor
UniProt Gene Name
CD55
UniProt Synonym Gene Names
CR; DAF
UniProt Entry Name
DAF_HUMAN

NCBI Description

This gene encodes a protein involved in the regulation of the complement cascade. The encoded glycoprotein is also known as the decay-accelerating factor (DAF); binding of DAF to complement proteins accelerates their decay, disrupting the cascade and preventing damage to host cells. Antigens present on the DAF glycoprotein constitute the Cromer blood group system (CROM). Two alternatively spliced transcripts encoding different proteins have been identified. The predominant transcript encodes a membrane-bound protein expressed on cells exposed to plasma component proteins but an alternatively spliced transcript produces a soluble protein present at much lower levels. Additional, alternatively spliced transcript variants have been described, but their biological validity has not been determined. [provided by RefSeq, Jul 2008]

Uniprot Description

CD55: This protein recognizes C4b and C3b fragments that condense with cell-surface hydroxyl or amino groups when nascent C4b and C3b are locally generated during C4 and c3 activation. Interaction of daf with cell-associated C4b and C3b polypeptides interferes with their ability to catalyze the conversion of C2 and factor B to enzymatically active C2a and Bb and thereby prevents the formation of C4b2a and C3bBb, the amplification convertases of the complement cascade. Belongs to the receptors of complement activation (RCA) family. 2 isoforms of the human protein are produced by alternative splicing.

Protein type: Membrane protein, GPI anchor; Cell surface

Chromosomal Location of Human Ortholog: 1q32

Cellular Component: cell surface; integral to plasma membrane; extracellular region; plasma membrane; lipid raft

Molecular Function: viral receptor activity; protein binding; lipid binding

Biological Process: respiratory burst; entry of virus into host cell; elevation of cytosolic calcium ion concentration; negative regulation of complement activation; regulation of complement activation; innate immune response; regulation of lipopolysaccharide-mediated signaling pathway; complement activation, classical pathway

Disease: Blood Group, Cromer System

Research Articles on CD55

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Product Notes

The CD55 cd55 (Catalog #AAA474232) is an Antibody produced from Mouse and is intended for research purposes only. The product is available for immediate purchase. The CD55 (Extracellular region) M033 Antibody reacts with Human and may cross-react with other species as described in the data sheet. AAA Biotech's CD55 can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB), ELISA (EIA)Cap, Immunocytochemistry (ICC), Immunoprecipitation (IP). ELISA (Cap): 1:100 ICC: 1:100 IP: 1:50 WB: 1:1000. Researchers should empirically determine the suitability of the CD55 cd55 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "CD55, Monoclonal Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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