Intracellular Staining by Flow Cytometry
|Detection of FoxP1 in MCF‑7 Human Cell Line by Flow Cytometry. MCF‑7 human breast cancer cell line was stained with Mouse Anti-Human FoxP1 Alexa Fluor® 488‑conjugated Monoclonal Antibody (Catalog # IC45341G, filled histogram) or isotype control antibody (Catalog # IC002G, open histogram). To facilitate intracellular staining, cells were fixed with 4% paraformaldehyde and permeabilized with methanol. View our protocol for Staining Intracellular Molecules.|
Forkhead Box P1 (FOXP1) is a member of the FOX family of transcription factors. FoxP1 has been implicated in cardiac, lung, and lymphocyte development. FoxP1 knock out mice die at embryonic day 14.5 due to heart valve and outflow tract abnormalities. FoxP1 contains both a DNA binding domain as well as protein-protein interaction domains. FoxP1 can homo or heterodimerize with FoxP2 and FoxP4, with dimerization necessary for DNA binding. FoxP1 shows both oncogenic and tumor suppressive characteristics. Overexpression in lymphomas leads to poor prognosis, but loss of FoxP1 in breast cancer also implicates a poor prognosis. Human isoforms of 489 to 677 amino acids contain alternate sequences within the first 60 amino acids and/or deletion of amino acids.
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