Mouse anti Human CD300a antibody, clone MEM-260 recognizes human CD300a, otherwise known as IRp60 or inhibitory receptor protein 60, CD300a is a ~60 kDa transmembrane glycoprotein expressed by natural killer cells (NK), T and B cell subsets, monocytes, neutrophils, macrophages, granulocytes, dendritic cells (DC) and mast cells.
Cross-linking of CD300a on NK results in a down-regulation of their cytolytic activity, whilst cross-linking of CD300a on mast cells, inhibits IgE-induced degranulation and SCF-mediated survival. Furthermore, cross-linking of CD300a on the surface of eosinophils has been shown to significantly inhibit their survival, chemotaxis and activation in response to certain inflammatory cytokines, whilst eosinophil-derived MBP (major basic protein) and EDN (neurotoxin), can down-regulate CD300a expression on mast cells in vitro (http://www.ncbi.nlm.nih.gov/pubmed/16339535).
- Target Species
- Product Form
- Purified IgG - liquid
- Purified IgG prepared by affinity chromatography on Protein A from tissue culture supernatant.
- Buffer Solution
- Phosphate buffered saline
- Preservative Stabilisers
- Human HPB acute lymphoid leukaemia cell line.
- Approx. Protein Concentrations
- IgG concentration 1.0mg/ml
- Store at +4oC or at -20oC if preferred.
Storage in frost-free freezers is not recommended.
This product should be stored undiluted. Avoid repeated freezing and thawing as this may denature the antibody. Should this product contain a precipitate we recommend microcentrifugation before use.
- 12 months from date of despatch
- Entrez Gene
- GO Terms
integral to membrane
- For research purposes only
This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
Applications of CD300a antibody
Where this product has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the product for use in their own system using appropriate negative/positive controls.
- Flow Cytometry
- Use 10ul of the suggested working dilution to label 1x106 cells in 100ul.
- Western Blotting
- MCA2704GA detects a band of approximately 60kDa in HPB cell lysates under non-reducing conditions.
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Secondary Antibodies Available
Negative Isotype Controls Available
Product Specific References
References for CD300a antibody
Sabato, V. et al. (2012) CD300a is expressed on human basophils and seems to inhibit IgE/FcεRI-dependent anaphylactic degranulation.
Cytometry B Clin Cytom. 82 (3): 132-8.
Kim, E.J. et al. (2012) CD300a and CD300f differentially regulate the MyD88 and TRIF-mediated TLR signalling pathways through activation of SHP-1 and/or SHP-2 in human monocytic cell lines.
Immunology. 135: 226-35.
Bachelet, I. et al. (2005) The inhibitory receptor IRp60 (CD300a) is expressed and functional on human mast cells.
J Immunol. 175 (12): 7989-95.
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