Biolegend, 681304, Alexa Fluor® 647 anti-SPI1 (PU.1) Antibody, 100μg

SPI1 is a transcription factor that belongs to the E26-transformation-specific (ETS) family and is exclusively expressed in hematopoietic cells. SPI1 regulates cell fate decisions during the differentiation of hematopoietic stem cells, which is crucial for the development of lymphoid and myeloid cell lineages. SPI1-deficient mice lack macrophages, neutrophils, and B lymphocytes, and they die before or shortly after birth. Abnormally regulated expression of SPI1 can lead to developmental defects as well as malignancy. The overexpression of SPI1 blocks erythroid differentiation and inhibits cell death. Mice carrying a mutant SPI1 allele shows decreased SPI1 expression and develops acute myeloid leukaemia (AML), which suggests that SPI1 plays a role in oncogenesis.
100μg
Verified Reactivity: Mouse
Antibody Type: Monoclonal
Host Species: Rat
Immunogen: Full length recombinant protein expressed in 293E cells.
Formulation: Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
Preparation: The antibody was purified by affinity chromatography and conjugated with Alexa Fluor® 647 under optimal conditions.
Concentration: 0.5 mg/ml
Storage & Handling: The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
Application: ICFC - Quality tested
Recommended Usage: Each lot of this antibody is quality control tested by intracellular flow cytometry using our True-Nuclear™ Transcription Factor Staining Protocol. For flow cytometric staining, the suggested use of this reagent is ≤ 0.5 µg per million cells in 100 µL volume. It is recommended that the reagent be titrated for optimal performance for each application. * Alexa Fluor® 647 has a maximum emission of 668 nm when it is excited at 633 nm / 635 nm. Alexa Fluor® and Pacific Blue™ are trademarks of Life Technologies Corporation.View full statement regarding label licenses
Excitation Laser: Red Laser (633 nm)
Application Notes: NOTE: For flow cytometric staining with this clone, True-Nuclear™ Transcription Factor Buffer Set (Cat. No. 424401) offers improved staining and is highly recommended.
Additional Product Notes: View more applications data for this product in our Scientific Poster Library.
Product Citations: Troutman TD, et al. 2021. STAR Protocols. 2(1):100363. PubMed Utz SG, et al. 2020. Cell. 181(3):557-573. PubMed
RRID: AB_2566590 (BioLegend Cat. No. 681303) AB_2566591 (BioLegend Cat. No. 681304)
Structure: 270 amino acids with a predicted molecular weight of 31 kD. It contains a C-terminal ETS domain that is responsible for DNA binding.
Distribution: Nucleus.
Function: SPI1 is a transcription factor that is required for the development of lymphoid and myeloid cells.
Interaction: SPI1 interacts with RUNX1, CEBPD, NONO, SPIB, and GFI1.
Cell Type: B cells, Dendritic cells
Biology Area: Cell Biology, Immunology, Transcription Factors
Molecular Family: Nuclear Markers
Antigen References: 1. Hikami K, et al. 2011. Arthritis Rheum. 63:755. 2. Zakrzewska A, et al. 2010. Blood 116:e1. 3. Pham TH, et al. 2013. Nucleic Acids Res. 41:6391. 4. Pospisil V, et al. 2011. EMBO J. 30:4450. 5. Zarnegar MA, et al. 2010. Mol. Cell Biol. 30:4922. 6. Rimmele P, et al. 2010. Cancer Res. 70:6757.
Gene ID: 20375
UniProt: View information about SPI1 on UniProt.org
Clone: 7C2C34
Regulatory Status: RUO
Other Names: Spleen focus forming virus (SFFV) proviral integration oncogene, Sfpi1, Transcription factor PU.1, Dis1, PU.1, Dis-1, Sfpi1, Spi-1, Sfpi-1,Tcfpu1, Tfpu.1
Isotype: Rat IgG2a, κ