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Description: The SH2.1 monoclonal antibody reacts with mouse siglec-G, which is also known as sialic acid-binding immunoglobulin-like lectin-G. Siglec-G is an inhibitory receptor that is expressed in a B cell-specific manner with B1 B cells expressing the highest levels of siglec-G. When overexpressed, siglec-G inhibits B cell receptor-mediated calcium signaling. Siglec-G-deficient mice show a massive expansion of the B1a cell population as well as higher titers of natural IgM antibodies. Siglec-G-deficient B1a cells show a lower level of spontaneous apoptosis and a prolonged life span, which may result from higher expression levels of the transcription factor NFATc1. Siglec-G-dependent negative regulation exists in B1 cells, which may explain the naturally muted signaling response of B1 cells.
Applications Reported: This SH2.1 antibody has been reported for use in flow cytometric analysis.
Applications Tested: This SH2.1 antibody has been tested by flow cytometric analysis of mouse splenocytes. This can be used at less than or equal to 0.125 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.
PerCP-eFluor® 710 emits at 710 nm and is excited with the blue laser (488 nm); it can be used in place of PerCP-Cyanine5.5. We recommend using a 710/50 bandpass filter, however, the 695/40 bandpass filter is an acceptable alternative. Please make sure that your instrument is capable of detecting this fluorochrome.
Fixation: Samples can be stored in IC Fixation Buffer (Product # 00-822-49) (100 µL cell sample + 100 µL IC Fixation Buffer) or 1-step Fix/Lyse Solution (Product # 00-5333-54) 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 nm; Emission: 710 nm; Laser: Blue Laser.
Filtration: 0.2 µm post-manufacturing filtered.
Siglec-G is an inhibitory receptor that is expressed in a B cell-specific manner with B1 B cells expressing the highest levels of siglec-G. When overexpressed, siglec-G inhibits B cell receptor-mediated calcium signaling. Siglec-G-deficient mice show a massive expansion of the B1a cell population as well as higher titers of natural IgM antibodies. Siglec-G-deficient B1a cells show a lower level of spontaneous apoptosis and a prolonged life span, which may result from higher expression levels of the transcription factor NFATc1. Siglec-G-dependent negative regulation exists in B1 cells, which may explain the naturally muted signaling response of B1 cells.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Protein Aliases: sialic acid binding Ig-like lectin 10; Sialic acid-binding Ig-like lectin 10; Sialic acid-binding Ig-like lectin G; Siglec; Siglec 10; Siglec-10; Siglec-G
Gene Aliases: 9830164H23; A630096C01Rik; mSiglec-G; Siglec-G; Siglec10; Siglecg
UniProt ID: (Mouse) Q80ZE3
Entrez Gene ID: (Mouse) 243958
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