Axl (Ufo, Ark), Dtk (Sky, Tyro3, Rse, Brt), and Mer (human and mouse homologues of chicken c-Eyk) constitute a subfamily of the receptor tyrosine kinases (1, 2). The extracellular domains of these proteins contain two Ig-like motifs and two fibronectin type III motifs. This characteristic topology is also found in neural cell adhesion molecules and in receptor tyrosine phosphatases. The human Axl cDNA encodes an 887 amino acid (aa) precursor that includes an 18 aa signal sequence, a 426 aa extracellular domain, a 21 aa transmembrane segment, and a 422 aa cytoplasmic domain. The extracellular domains of human and mouse Axl share 81% aa sequence identity. A short alternately spliced form of human Axl is distinguished by a 9 aa deletion in the extracellular juxtamembrane region. These receptors bind the vitamin K-dependent protein growth arrest specific gene 6 (Gas6) which is structurally related to the anticoagulation factor protein S. Binding of Gas6 induces receptor autophosphorylation and downstream signaling pathways that can lead to cell proliferation, migration, or the prevention of apoptosis (3). This family of tyrosine kinase receptors is involved in hematopoiesis, embryonic development, tumorigenesis, and regulation of testicular functions.
Key Product Details
Validated by
Knockout/Knockdown
Species Reactivity
Validated:
Human
Cited:
Human
Applications
Validated:
Knockout Validated, ELISA Capture (Matched Antibody Pair), Flow Cytometry, CyTOF-ready
Cited:
Immunohistochemistry, Immunohistochemistry-Paraffin, Immunohistochemistry-Frozen, Western Blot, Flow Cytometry, Cell Selection, CyTof, ELISA Capture
Label
Unconjugated
Antibody Source
Monoclonal Mouse IgG1 Clone # 108724
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Product Specifications
Immunogen
Mouse myeloma cell line NS0-derived recombinant human Axl
Met1-Pro440
Accession # AAA61243
Met1-Pro440
Accession # AAA61243
Specificity
Detects human Axl in direct ELISAs. In direct ELISAs, this antibody shows no cross-reactivity with recombinant mouse Axl, recombinant human (rh) Dtk or rhMer.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG1
Scientific Data Images for Human Axl Antibody
Detection of Axl in HeLa Human Cell Line by Flow Cytometry.
HeLa human cervical epithelial carcinoma cell line was stained with Mouse Anti-Human Axl Monoclonal Antibody (Catalog # MAB154, filled histogram) or isotype control antibody (Catalog # MAB002, open histogram) followed by APC-conjugated Goat anti-Mouse IgG Secondary Antibody (Catalog # F0101B). View our protocol for Staining Membrane-associated Proteins.Detection of Axl in A431 Human Cell Line by Flow Cytometry.
A431 human epithelial carcinoma cell line was stained with Mouse Anti-Human Axl Monoclonal Antibody (Catalog # MAB154, filled histogram) or isotype control antibody (Catalog # MAB002, open histogram) followed by APC-conjugated Goat anti-Mouse IgG Secondary Antibody (Catalog # F0101B). View our protocol for Staining Membrane-associated Proteins.Axl Specificity is Shown by Flow Cytometry in Knockout Cell Line.
Axl knockout A431 human epithelial carcinoma cell line was stained with Mouse Anti-Human Axl Monoclonal Antibody (Catalog # MAB154, filled histogram) or isotype control antibody (Catalog # MAB002, open histogram) followed by APC-conjugated Goat anti-Mouse IgG Secondary Antibody (Catalog # F0101B). No staining in the Axl knockout A431 cell line was observed. View our protocol for Staining Membrane-associated Proteins.Detection of Human Human Axl Antibody by Flow Cytometry
MR766 infection of unstimulated and decidualized T-HESC cell line.(a) T-HESC (left) and decidualized (d) T-HESC (right) were stained with ZIKV anti-dsRNA or E protein mAbs whereas the nuclei were stained with Hoechst. (b) Surface expression of AXL (red) and MER (blue) in T-HESC (left) and dT-HESC (right) was determined in uninfected cells by flow cytometry. The histograms of one experiment representative of 3 independently performed are shown. Double immunostaining for ZIKV E protein and calreticulin (c) or dsRNA and vimentin (d) in dT-HESC either uninfected or infected with MR766 at 72 h post-infection; Hoechst was used to stain nuclei. Arrows indicate localization of E protein in areas occupied by calreticulin. Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/28281680), licensed under a CC-BY license. Not internally tested by R&D Systems.Applications for Human Axl Antibody
Application
Recommended Usage
CyTOF-ready
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
Flow Cytometry
0.25 µg/106 cells
Sample: HeLa human cervical epithelial carcinoma cell line, or A431 human epithelial carcinoma cell line
Sample: HeLa human cervical epithelial carcinoma cell line, or A431 human epithelial carcinoma cell line
Knockout Validated
Axl is specifically detected in A431 human epithelial carcinoma parental cell line but is not detectable in Axl knockout A431 cell line.
Human Axl Sandwich Immunoassay
Please Note: Optimal dilutions of this antibody should be experimentally determined.
Reviewed Applications
Read 2 reviews rated 5 using MAB154 in the following applications:
Flow Cytometry Panel Builder
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Advanced Features
- Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
- Spillover Popups - Visualize the spectra of individual fluorochromes
- Antigen Density Selector - Match fluorochrome brightness with antigen density
Formulation, Preparation, and Storage
Purification
Protein A or G purified from hybridoma culture supernatant
Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
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Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: Axl
References
- Yanagita, M. (2004) Curr. Opin. Nephrol. Hypertens. 13:465.
- Nagata, K. et al. (1996) J. Biol. Chem. 22:30022.
- Holland, S. et al. (2005) Canc. Res. 65:9294.
Long Name
Axl Receptor Tyrosine Kinase
Alternate Names
AI323647, ARK, JTK11, Tyro7, UFO
Gene Symbol
AXL
UniProt
Additional Axl Products
Product Documents for Human Axl Antibody
Certificate of Analysis
To download a Certificate of Analysis, please enter a lot or batch number in the search box below.
Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human Axl Antibody
For research use only
Related Research Areas
Citations for Human Axl Antibody
Customer Reviews for Human Axl Antibody (2)
5 out of 5
2 Customer Ratings
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Application: ELISASample Tested: SerumSpecies: HumanVerified Customer | Posted 07/31/2020
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
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- Flow Cytometry Troubleshooting Guide
- Intracellular Flow Cytometry Protocol Using Alcohol (Methanol)
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- Propidium Iodide Cell Viability Flow Cytometry Protocol
- Protocol for Liperfluo
- Protocol for the Characterization of Human Th22 Cells
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- Protocol: Annexin V and PI Staining by Flow Cytometry
- Protocol: Annexin V and PI Staining for Apoptosis by Flow Cytometry
- Troubleshooting Guide: Fluorokine Flow Cytometry Kits
- View all Protocols, Troubleshooting, Illustrated assays and Webinars
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