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39182
PhosphoPlus® mTOR (Ser2448) Antibody Duet

PhosphoPlus® mTOR (Ser2448) Antibody Duet #39182

Western Blotting Image 1

Western blot analysis of extracts from serum-starved NIH/3T3 cells, untreated or insulin-treated (150 nM, 5 minutes), alone or in combination with λ-phosphatase, using Phospho-mTOR (Ser2448) (D9C2) XP® Rabbit mAb (upper) or mTOR (7C10) Rabbit mAb #2983.

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Western Blotting Image 2

Western blot analysis of extracts from 293, A431, COS, C6, and C2C12 cells, using mTOR (7C10) Rabbit mAb.

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IF-IC Image 3

Confocal immunofluorescent analysis of HeLa cells, rapamycin-treated (#9904, 10 μM for 2 hours, left), insulin-treated (150 nM for 6 minutes, middle) or insulin- and λ-phosphatase-treated (right), using Phospho-mTOR (Ser2448) (D9C2) XP® Rabbit mAb (green). Actin filaments were labeled with DY-554 phalloidin. Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).

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Western Blotting Image 4

Western blot analysis of extracts from HeLa cells, transfected with 100 nM SignalSilence® Control siRNA (Fluorescein Conjugate) #6201 (-) or SignalSilence® mTOR siRNA II (+), using mTOR (7C10) Rabbit mAb #2983 and α-Tubulin (11H10) Rabbit mAb #2125. mTOR (7C10) Rabbit mAb confirms silencing of mTOR expression, while the α-Tubulin (11H10) Rabbit mAb is used to control for loading and specificity of mTOR siRNA.

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IHC-P (paraffin) Image 5

Immunohistochemical analysis of paraffin-embedded human breast carcinoma, showing cytoplasmic localization using mTOR (7C10) Rabbit mAb.

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IHC-P (paraffin) Image 6

Immunohistochemical analysis of paraffin-embedded human lung carcinoma, using mTOR (7C10) Rabbit mAb in the presence of control peptide (left) or mTOR Blocking Peptide #1072 (right).

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IHC-P (paraffin) Image 7

Immunohistochemical analysis of paraffin-embedded mouse brain using mTOR (7C10) Rabbit mAb.

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Flow Cytometry Image 8

Flow cytometric analysis of 293 cells using mTOR (7C10) Rabbit mAb (blue) compared to a nonspecific negative control antibody (red).

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IF-IC Image 9

Confocal immunofluorescent analysis of mouse embryonic fibroblast (MEF) cells using mTOR (7C10) Rabbit mAb (green). Actin filaments were labeled with DY-554 phalloidin (red). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).

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Product Includes Quantity Applications Reactivity MW(kDa) Isotype
Phospho-mTOR (Ser2448) (D9C2) XP® Rabbit mAb 5536 100 µl
  • WB
  • IP
  • IF
H M R Mk 289 Rabbit IgG
mTOR (7C10) Rabbit mAb 2983 100 µl
  • WB
  • IHC
  • IF
  • F
H M R Mk 289 Rabbit IgG

PhosphoPlus® Duets from Cell Signaling Technology (CST) provide a means to assess protein activation status. Each Duet contains an activation-state and total protein antibody to your target of interest. These antibodies have been selected from CST's product offering based upon superior performance in specified applications.

The mammalian target of rapamycin (mTOR, FRAP, RAFT) is a Ser/Thr protein kinase (1-3) that functions as an ATP and amino acid sensor to balance nutrient availability and cell growth (4,5). When sufficient nutrients are available, mTOR responds to a phosphatidic acid-mediated signal to transmit a positive signal to p70 S6 kinase and participate in the inactivation of the eIF4E inhibitor, 4E-BP1 (6). These events result in the translation of specific mRNA subpopulations. mTOR is phosphorylated at Ser2448 via the PI3 kinase/Akt signaling pathway and autophosphorylated at Ser2481 (7,8). mTOR plays a key role in cell growth and homeostasis and may be abnormally regulated in tumors. For these reasons, mTOR is currently under investigation as a potential target for anti-cancer therapy (9).

  1. Sabers, C.J. et al. (1995) J Biol Chem 270, 815-22.
  2. Brown, E.J. et al. (1994) Nature 369, 756-8.
  3. Sabatini, D.M. et al. (1994) Cell 78, 35-43.
  4. Gingras, A.C. et al. (2001) Genes Dev 15, 807-26.
  5. Dennis, P.B. et al. (2001) Science 294, 1102-5.
  6. Fang, Y. et al. (2001) Science 294, 1942-5.
  7. Navé, B.T. et al. (1999) Biochem J 344 Pt 2, 427-31.
  8. Peterson, R.T. et al. (2000) J Biol Chem 275, 7416-23.
  9. Huang, S. and Houghton, P.J. (2003) Curr Opin Pharmacol 3, 371-7.
Entrez-Gene Id
2475
Swiss-Prot Acc.
P42345
For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
CST is a trademark of Cell Signaling Technology, Inc.
PhosphoPlus is a trademark of Cell Signaling Technology, Inc.
XP is a registered trademark of Cell Signaling Technology, Inc.
DRAQ5 is a registered trademark of Biostatus Limited.
U.S. Patent No. 7,429,487, foreign equivalents, and child patents deriving therefrom.

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