Revision 5

#61637Store at -20C

Cell Signaling Technology

Orders: 877-616-CELL (2355) [email protected]

Support: 877-678-TECH (8324)

Web: [email protected] cellsignal.com

3 Trask LaneDanversMassachusetts01923USA
For Research Use Only. Not for Use in Diagnostic Procedures.
Applications:

WB, IP, IHC-Bond, IHC-P, IF-IC

REACTIVITY:

H M R

SENSITIVITY:

Endogenous

MW (kDa):

35-50

Source/Isotype:

Rabbit IgG

UniProt ID:

#P43489

Entrez-Gene Id:

7293

Product Information

Product Usage Information

Application Dilution
Western Blotting 1:1000
Immunoprecipitation 1:200
IHC Leica Bond 1:400
Immunohistochemistry (Paraffin) 1:50
Immunofluorescence (Immunocytochemistry) 1:50 - 1:200

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

For a carrier free (BSA and azide free) version of this product see product #76367.

Specificity / Sensitivity

OX40 (E9U7O) XP® Rabbit mAb recognizes endogenous levels of total OX40 protein.

Species Reactivity:

Human, Mouse, Rat

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Gln264 of human OX40 protein.

Background

OX40 (TNFRSF4, CD134) is a member of the tumor necrosis factor (TNF) receptor superfamily that regulates T cell activity and immune responses. The OX40 protein contains four cysteine rich domains, a transmembrane domain, and a cytoplasmic tail containing a QEE motif (1,2). OX40 is primarily expressed on activated CD4+ and CD8+ T-cells, while the OX40 ligand (OX40L, TNFSF4, CD252) is predominantly expressed on activated antigen presenting cells (3-7). The engagement of OX40 with OX40L leads to the recruitment of TNF receptor-associated factors (TRAFs) and results in the formation of a TCR-independent signaling complex. One component of this complex, PKCθ, activates the NF-κB pathway (2,8). OX40 signaling through Akt can also enhance TCR signaling directly (9). Research studies indicate that the OX40L-OX40 pathway is associated with inflammation and autoimmune diseases (10). Additional research studies show that OX40 agonists augment anti-tumor immunity in several cancer types (11,12).

  1. Croft, M. (2010) Annu Rev Immunol 28, 57-78.
  2. So, T. and Croft, M. (2012) Front Immunol 3, 133.
  3. Paterson, D.J. et al. (1987) Mol Immunol 24, 1281-90.
  4. Mallett, S. et al. (1990) EMBO J 9, 1063-8.
  5. Dürkop, H. et al. (1995) Br J Haematol 91, 927-31.
  6. Godfrey, W.R. et al. (1994) J Exp Med 180, 757-62.
  7. Al-Shamkhani, A. et al. (1997) J Biol Chem 272, 5275-82.
  8. So, T. et al. (2011) Proc Natl Acad Sci U S A 108, 2903-8.
  9. So, T. and Croft, M. (2013) Front Immunol 4, 139.
  10. Gough, M.J. and Weinberg, A.D. (2009) Adv Exp Med Biol 647, 94-107.
  11. Weinberg, A.D. et al. (2011) Immunol Rev 244, 218-31.
  12. Linch, S.N. et al. (2015) Front Oncol 5, 34.

Species Reactivity

Species reactivity is determined by testing in at least one approved application (e.g., western blot).

Western Blot Buffer

IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.

Applications Key

WB: Western Blotting IP: Immunoprecipitation IHC-Bond: IHC Leica Bond IHC-P: Immunohistochemistry (Paraffin) IF-IC: Immunofluorescence (Immunocytochemistry)

Cross-Reactivity Key

H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

Trademarks and Patents

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
SignalStain is a registered trademark of Cell Signaling Technology, Inc.
XP is a registered trademark of Cell Signaling Technology, Inc.
All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

使用に関する制限

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Revision 5
#61637

OX40 (E9U7O) XP® Rabbit mAb

Western Blotting Image 1: OX40 (E9U7O) XP® Rabbit mAb Expand Image
Western blot analysis of extracts from various endogenous human and mouse cells using OX40 (E9U7O) XP® Rabbit mAb (upper) and β-actin (D6A8) Rabbit mAb #8457 (lower). CD4+ T cells were purified from human blood or mouse spleens, and stimulated for 9 days using beads coated with human or mouse CD3 and CD28 antibodies in the presence of Human Interleukin-2 (hIL-2) #8907 (20 ng/ml) or Mouse Interleukin-2 (mIL-2) #5201 (20 ng/ml).
Western Blotting Image 2: OX40 (E9U7O) XP® Rabbit mAb Expand Image
Western blot analysis of extracts from 293T cells, mock transfected (-) or transfected with a construct expressing Myc/DDK-tagged full-length human OX40 (Myc/DDK Human OX40; +) or mouse OX40 (Myc/DDK Mouse OX40; +), using OX40 (E9U7O) XP® Rabbit mAb (upper) and β-actin (D6A8) Rabbit mAb #8457 (lower).
Immunoprecipitation Image 1: OX40 (E9U7O) XP® Rabbit mAb Expand Image
Immunoprecipitation of OX40 protein from HuT 102 cell extracts. Lane 1 is 10% input, lane 2 is Rabbit (DA1E) mAb IgG XP® Isotype Control #3900, and lane 3 is OX40 (E9U7O) XP® Rabbit mAb. Western blot analysis was performed using OX40 (E9U7O) XP® Rabbit mAb.
Immunohistochemistry Image 1: OX40 (E9U7O) XP® Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded human tonsil using OX40 (E9U7O) XP® Rabbit mAb performed on the Leica® BOND Rx.
Immunohistochemistry Image 1: OX40 (E9U7O) XP® Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded human papillary carcinoma of the breast using OX40 (E9U7O) XP® Rabbit mAb.
Immunohistochemistry Image 2: OX40 (E9U7O) XP® Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded human colon carcinoma using OX40 (E9U7O) XP® Rabbit mAb.
Immunohistochemistry Image 3: OX40 (E9U7O) XP® Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded human lung carcinoma using OX40 (E9U7O) XP® Rabbit mAb.
Immunohistochemistry Image 4: OX40 (E9U7O) XP® Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded human non-Hodgkin lymphoma using OX40 (E9U7O) XP® Rabbit mAb.
Immunohistochemistry Image 5: OX40 (E9U7O) XP® Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded HuT 78 cell pellet (left, positive) or Jurkat cell pellet (right, negative) using OX40 (E9U7O) XP® Rabbit mAb.
Immunohistochemistry Image 6: OX40 (E9U7O) XP® Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded mouse spleen using OX40 (E9U7O) XP® Rabbit mAb.
Immunohistochemistry Image 7: OX40 (E9U7O) XP® Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded rat thymus using OX40 (E9U7O) XP® Rabbit mAb.
Immunofluorescence Image 1: OX40 (E9U7O) XP® Rabbit mAb Expand Image
Confocal immunofluorescent analysis of HuT 102 cells (left, positive) and Jurkat cells (right, negative) using OX40 (E9U7O) Rabbit mAb (green). Samples were mounted in ProLong® Gold Antifade Reagent with DAPI #8961 (blue).