Cell Signaling Technology

Product Pathways - PI3K / Akt Signaling

FoxO1 (D7C1H) Mouse mAb #14952

afx   FKHR   forkhead 01   transcription factor  

No. Size Price
14952S 100 µl ( 10 western blots ) ¥3,100.00 现货查询 购买询价
14952T 20 µl ( 2 western blots ) ¥1,200.00 现货查询 购买询价
14952 carrier free & custom formulation / quantityemail request
Applications Dilution Species-Reactivity Sensitivity MW (kDa) Isotype
W 1:1000 Human,Mouse,Rat,Monkey, Endogenous 78 to 82 Mouse IgG1
IP 1:50
IF-IC 1:100

Species cross-reactivity is determined by western blot.

Applications Key: W=Western Blotting, IP=Immunoprecipitation, IF-IC=Immunofluorescence (Immunocytochemistry),

Specificity / Sensitivity

FoxO1 (D7C1H) Mouse mAb recognizes endogenous levels of total FoxO1 protein.

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro360 of human FoxO1 protein.



Confocal immunofluorescent analysis of IGROV-1 cells, treated with either LY294002 #9901 (left) or insulin (right), using FoxO1 (D7C1H) Mouse mAb (green). Actin filaments were labeled with DyLight™ 554 Phalloidin #13054 (red).

Western Blotting

Western Blotting

Western blot analysis of extracts from 293T and IGROV-1 cells using FoxO1 (D7C1H) Mouse mAb.

Western Blotting

Western Blotting

Western blot analysis of extracts from 293T cells expressing either non-targeting shRNA (shNT) or Fox01 shRNA (shFoxO1) using FoxO1 (D7C1H) Mouse mAb (upper) and α-Actinin (D6F6) XP® Rabbit mAb #6487 (lower). 293T shNT and shFoxO1 cells were kindly provided by Dr. Anne Brunet, Stanford University, Stanford CA.


The Forkhead family of transcription factors is involved in tumorigenesis of rhabdomyosarcoma and acute leukemias (1-3). Within the family, three members (FoxO1, FoxO4, and FoxO3a) have sequence similarity to the nematode orthologue DAF-16, which mediates signaling via a pathway involving IGFR1, PI3K, and Akt (4-6). Active forkhead members act as tumor suppressors by promoting cell cycle arrest and apoptosis. Increased expression of any FoxO member results in the activation of the cell cycle inhibitor p27 Kip1. Forkhead transcription factors also play a part in TGF-β-mediated upregulation of p21 Cip1, a process negatively regulated through PI3K (7). Increased proliferation results when forkhead transcription factors are inactivated through phosphorylation by Akt at Thr24, Ser256, and Ser319, which results in nuclear export and inhibition of transcription factor activity (8). Forkhead transcription factors can also be inhibited by the deacetylase sirtuin (SirT1) (9).

  1. Anderson, M.J. et al. (1998) Genomics 47, 187-99.
  2. Galili, N. et al. (1993) Nat Genet 5, 230-5.
  3. Borkhardt, A. et al. (1997) Oncogene 14, 195-202.
  4. Nakae, J. et al. (1999) J Biol Chem 274, 15982-5.
  5. Rena, G. et al. (1999) J Biol Chem 274, 17179-83.
  6. Guo, S. et al. (1999) J Biol Chem 274, 17184-92.
  7. Seoane, J. et al. (2004) Cell 117, 211-23.
  8. Arden, K.C. (2004) Mol Cell 14, 416-8.
  9. Yang, Y. et al. (2005) EMBO J 24, 1021-32.

Application References

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