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Description: The monoclonal antibody 29A1.4 recognizes mouse NKp46, also known as CD335. CD335, a member of the natural cytotoxicity receptor (NCR) family, is a glycoprotein with 2 Ig-like domains and a short cytoplasmic tail. Expression of CD335 is uniquely found on NK cells (including immature NK cells, defined as DX5- CD3-, and thereby allowing discrimination between NKT cells and NK cells (NKp46+, CD3-). Furthermore, unlike many of the NK markers which also stain NKT cells, staining with 29A1.4 is not strain specific. Staining has been shown on C57Bl/6, SJL, CBA/CA and BALB/C strains. NKp46 has been shown to play a role in NK cell-mediated lysis of several tumor cells and pathogen-infected cell lines.
The 29A1.4 monoclonal antibody has been shown to activate NK cells in vitro. The 29A1.4 monoclonal antibody does not deplete NK cells in vivo.
Applications Reported: This 29A1.4 antibody has been reported for use in flow cytometric analysis.
Applications Tested: This 29A1.4 antibody has been tested by flow cytometric analysis of mouse splenocytes. This can be used at less than or equal to 1 µg per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest.
PE-eFluor® 610 can be excited with laser lines from 488-561 nm and emits at 607 nm. We recommend using a 610/20 band pass filter (equivalent to PE-Texas Red®). Please make sure that your instrument is capable of detecting this fluorochome.
Light sensitivity: This tandem dye is sensitive to photo-induced oxidation. Please protect this vial and stained samples from light.
Fixation: Samples can be stored in IC Fixation Buffer (Product # 00-8222) (100 µL of cell sample + 100 µL of IC Fixation Buffer) or 1-step Fix/Lyse Solution (Product # 00-5333) for up to 3 days in the dark at 4°C with minimal impact on brightness and FRET efficiency/compensation. Some generalizations regarding fluorophore performance after fixation can be made, but clone specific performance should be determined empirically.
Excitation: 488-561 nm; Emission: 607 nm; Laser: Blue Laser, Green Laser, Yellow-Green Laser.
Filtration: 0.2 µm post-manufacturing filtered.
CD335, also known as NKp46 or NCR1, is a member of the natural cytotoxicity receptor family, which includes NKp30 and NKp44. This type I transmembrane glycoprotein is expressed on NK cells and plays a crucial role in activating and expanding resting NK cells through interactions with dendritic cells. CD335 enhances the ability of NK cells to eliminate tumor and virus-infected cells, such as those infected by influenza. CD335 consists of two Ig-like domains and is related to leukocyte immunoglobulin-like receptors (LIR) and killer inhibitory receptors (KIR). It contributes to the increased efficiency of activated NK cells in mediating tumor cell lysis. Additionally, CD335 interacts with pancreatic beta cells during the development of type 1 diabetes, highlighting its involvement in both immune defense and autoimmune processes.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Protein Aliases: 1-Mar; Activating receptor 1; CD335; hNKp46; Ly-94; Lymphocyte antigen 94; mAR-1; MAR1 (mouse activating receptor 1); mNKp46; Natural cytotoxicity triggering receptor 1; Natural killer cell p46-related protein; natural killer cell receptor; NK-p46
Gene Aliases: Ly94; Ncr1; NKp46
UniProt ID: (Mouse) Q8C567
Entrez Gene ID: (Mouse) 17086
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