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Flow cytometry analysis of SSEA-4 in NCCIT (red filled histogram) and HeLa cells (red unfilled histogram) compared to unstained cells (blue histogram). Positive staining is observed on NCCIT cells when compared to no antibody control (middle panel) and to SSEA-4-negative HeLa cells (right panel). Cells were fixed with 2% paraformaldehyde and washed with PBS. Cells were blocked with 2% BSA-PBS for 30 minutes at room temperature and incubated with a PE-conjugated SSEA-4 monoclonal antibody (Product # MA1-021-PE) in 2% BSA-PBS at a dilution of 1:100 for 60 minutes at room temperature. Cells were washed and re-suspended in PBS for FACS analysis.
|Tested species reactivity||Human|
|Host / Isotype||Mouse / IgG3|
|Immunogen||human embryonal carcinoma cell line 2102Ep|
|Storage buffer||PBS with 1mg/ml BSA|
|Contains||0.05% sodium azide|
|Storage Conditions||4° C, do not freeze|
|Tested Applications||Dilution *|
|Flow Cytometry (Flow)||1:50-1:500|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
MA1-021-PE has been successfully used in ICC/IF and flow cytometry applications on human samples.
Stage-specific embryonic antigen 4 (SSEA-4) is a cell surface antigen, expressed along with SSEA-3, TRA-1-60 and TRA-1-81 in embryonic stem cells, embryonal carcinoma cells and induced pluripotent stem cells (iPS). In human cells, these surface markers are down-regulated during the differentiation process, while SSEA-1 is absent in undifferentiated human stem cells and upregulated on the cell surface after retinoic acid mediated differentiation. Conversely, in mouse stem cells, SSEA-1 expression decreases with differentiation while SSEA-3 and SSEA-4 expression increase.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
SSEA-4; SSEA4; stage-specific embryonic antigen 4