Human C1q R1/CD93 APC-conjugated Antibody

Name: Human C1q R1/CD93 APC-conjugated Antibody
Brand: R&D Systems
SKU: FAB23791A

Catalog #: FAB23791A Datasheet / COA / SDS

Discontinued Product

FAB23791A has been discontinued.

View all C1qR1/CD93 products.

Detection of C1q R1/CD93 in Human Blood Monocytes by Flow Cytometry.

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All C1qR1/CD93 Antibodies

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Human C1q R1/CD93 APC-conjugated Antibody Summary

Species Reactivity

Human

Specificity

Detects human C1q R1/CD93 in direct ELISAs and Western blots. In direct ELISAs and Western blots, no cross‑reactivity with recombinant mouse C1q R1 is observed.

Source

Monoclonal Mouse IgG₁ Clone # 273107

Purification

Protein A or G purified from hybridoma culture supernatant

Immunogen

Mouse myeloma cell line NS0-derived recombinant human C1q R1/CD93
Ala24-Lys580
Accession # Q9NPY3

Formulation

Supplied in a saline solution containing BSA and Sodium Azide.

Label

Allophycocyanin (Excitation= 620-650 nm, Emission= 660-670 nm)

Applications

Recommended Concentration

Sample

Flow Cytometry

10 µL/10⁶ cells

See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Flow Cytometry

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Detection of C1q R1/CD93 in Human Blood Monocytes by Flow Cytometry. Human peripheral blood monocytes were stained with Mouse Anti-Human C1q R1/CD93 APC-conjugated Monoclonal Antibody (Catalog # FAB23791A, filled histogram) or isotype control antibody (Catalog # IC002A, open histogram). View our protocol for Staining Membrane-associated Proteins.

Reconstitution Calculator

Preparation and Storage

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze.

12 months from date of receipt, 2 to 8 °C as supplied.

Background: C1qR1/CD93

C1q R1 is also known as C1q Rp, Collectin Receptor, and AA4 antigen, and is designated CD93. C1q R1 mediates enhanced phagocytosis by monocytes and macrophages upon interaction with soluble defense collagens including C1q, MBL, and SP-A (1, 2). It is a type I transmembrane glycoprotein expressed on endothelial cells, hematopoietic progenitor cells, platelets, and cells of myeloid origin. C1q R1 has also been identified as a stem cell marker (3, 4).

References

Kim, T.S. et al. (2000) Mol. Immunol. 37:377.
Dean, Y.D. et al. (2001) Eur. J. Immunol. 31:1370.
Petrenko, O. et al. (1999) Immunity 10:691.
Danet, G.H. et al. (2002) Proc. Natl. Acad. Sci. USA 99:10441.

Long Name

Complement Component C1q Receptor

Entrez Gene IDs

22918 (Human); 17064 (Mouse); 84398 (Rat)

Alternate Names

AA4 Antigen; C1q R1; C1q receptor 1; C1q Rp; C1q/MBL/SPA receptor; C1qR(P); C1qR1; C1qRp; CD93 antigenC1qR; CD93 molecule; CD93; CDw93C1QR1; Collectin Receptor; Complement component 1 q subcomponent receptor 1; complement component 1, q subcomponent, receptor 1; complement component C1q receptor; dJ737E23.1; ECSM3; Ly68; Matrix-remodeling-associated protein 4; matrix-remodelling associated 4; MXRA4