Revision 5

#9559Store 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

REACTIVITY:

H M R Mk

SENSITIVITY:

Endogenous

MW (kDa):

54

Source/Isotype:

Rabbit IgG

UniProt ID:

#P60484

Entrez-Gene Id:

5728

Product Information

Product Usage Information

Application Dilution
Western Blotting 1:1000
Immunoprecipitation 1:100
IHC Leica Bond 1:100 - 1:400
Immunohistochemistry (Paraffin) 1:100 - 1:400

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 #98632.

Specificity / Sensitivity

PTEN (138G6) Rabbit mAb detects endogenous levels of total PTEN protein.

Species Reactivity:

Human, Mouse, Rat, Monkey

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to the carboxy-terminal sequence of human PTEN.

Background

PTEN (phosphatase and tensin homologue deleted on chromosome ten), also referred to as MMAC (mutated in multiple advanced cancers) phosphatase, is a tumor suppressor implicated in a wide variety of human cancers (1). PTEN encodes a 403 amino acid polypeptide originally described as a dual-specificity protein phosphatase (2). The main substrates of PTEN are inositol phospholipids generated by the activation of the phosphoinositide 3-kinase (PI3K) (3). PTEN is a major negative regulator of the PI3K/Akt signaling pathway (1,4,5). PTEN possesses a carboxy-terminal, noncatalytic regulatory domain with three phosphorylation sites (Ser380, Thr382, and Thr383) that regulate PTEN stability and may affect its biological activity (6,7). PTEN regulates p53 protein levels and activity (8) and is involved in G protein-coupled signaling during chemotaxis (9,10).

  1. Cantley, L.C. and Neel, B.G. (1999) Proc Natl Acad Sci USA 96, 4240-5.
  2. Myers, M.P. et al. (1997) Proc Natl Acad Sci USA 94, 9052-7.
  3. Myers, M.P. et al. (1998) Proc Natl Acad Sci USA 95, 13513-8.
  4. Wan, X. and Helman, L.J. (2003) Oncogene 22, 8205-11.
  5. Wu, X. et al. (1998) Proc Natl Acad Sci USA 95, 15587-91.
  6. Vazquez, F. et al. (2000) Mol Cell Biol 20, 5010-8.
  7. Torres, J. and Pulido, R. (2001) J Biol Chem 276, 993-8.
  8. Freeman, D.J. et al. (2003) Cancer Cell 3, 117-30.
  9. Funamoto, S. et al. (2002) Cell 109, 611-23.
  10. Iijima, M. and Devreotes, P. (2002) Cell 109, 599-610.

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)

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.
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
#9559

PTEN (138G6) Rabbit mAb

Western Blotting Image 1: PTEN (138G6) Rabbit mAb Expand Image
Western blot analysis of extracts from HeLa cells, transfected with 100 nM SignalSilence® Control siRNA (Fluorescein Conjugate) #6201 (-) or SignalSilence® PTEN siRNA I (+), using PTEN Antibody #9552 and p42 MAPK (Erk2) Antibody #9108. PTEN Antibody confirms silencing of PTEN expression, while the p42 MAPK (Erk2) Antibody is used to control for loading and specificity of PTEN siRNA.
Western Blotting Image 2: PTEN (138G6) Rabbit mAb Expand Image
Western blot analysis of extracts from HeLa cells, transfected with 100 nM SignalSilence® Control siRNA (Fluorescein Conjugate) #6201 (-) or SignalSilence® PTEN siRNA II (+), using PTEN (138G6) Rabbit mAb and β-Actin (13E5) Rabbit mAb #4970. PTEN (138G6) Rabbit mAb confirms silencing of PTEN expression, while the β-Actin (13E5) Rabbit mAb is used to control for loading and specificity of PTEN siRNA.
Western Blotting Image 3: PTEN (138G6) Rabbit mAb Expand Image
Western blot analysis of extracts from various cell lines using PTEN (138G6) Rabbit mAb.
No image available
Immunohistochemistry Image 1: PTEN (138G6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded human squamous cell lung carcinoma using PTEN (138G6) Rabbit mAb performed on the Leica BOND RX.
Immunohistochemistry Image 2: PTEN (138G6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded human esophageal adenocarcinoma using PTEN (138G6) Rabbit mAb performed on the Leica BOND RX.
Immunohistochemistry Image 3: PTEN (138G6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded human squamous cell carcinoma of the cervix using PTEN (138G6) Rabbit mAb performed on the Leica BOND RX.
Immunohistochemistry Image 1: PTEN (138G6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded MDA-MB-468 xenograft, using Phospho-Akt (Ser473) (736E11) Rabbit mAb (IHC Preferred) (#3787) (left) or PTEN (138G6) Rabbit mAb (right). MDA-MB-468 cells lack PTEN. Note the lack of PTEN staining in the Phospho-Akt positive cells.
Immunohistochemistry Image 2: PTEN (138G6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded human lung carcinoma (left) and prostate carcinoma (right), using PTEN (138G6) Rabbit mAb. Note the stromal cell staining in the PTEN negative lung carcinoma, and the cancer cell staining in the PTEN positive prostate carcinoma.
Immunohistochemistry Image 3: PTEN (138G6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded human colon carcinoma, using PTEN (138G6) Rabbit mAb in the presence of control peptide (left) or PTEN Blocking Peptide #1250 (right).
Immunohistochemistry Image 4: PTEN (138G6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded cell pellets demonstrating the specificity of PTEN (138G6) Rabbit mAb: DU145, HT-29 and MCF-7 (PTEN positive) and Jurkat, MDA-MB-468 and LNCaP (PTEN negative).
Immunohistochemistry Image 5: PTEN (138G6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded xenografts using PTEN (138G6) Rabbit mAb. DU145 (left) and A549 (middle) are PTEN positive cell lines, while U-87MG (right) is PTEN negative.
Immunohistochemistry Image 6: PTEN (138G6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded MDA-MB-468 xenograft using Phospho-Akt (Ser473) (D9E) Rabbit mAb #4060 (left) or PTEN (138G6) Rabbit mAb (right). Note the presence of P-Akt staining in the PTEN deficient MDA-MB-468 cells.
Immunohistochemistry Image 7: PTEN (138G6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded human ovarian serous carcinoma using PTEN (138G6) Rabbit mAb.
Immunohistochemistry Image 8: PTEN (138G6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded human ovarian clear cell carcinoma using PTEN (138G6) Rabbit mAb.