PTEN Rabbit Recombinant mAb

Catalog No.A5040

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USD 47 In stock
USD 157 In stock
USD 397 In stock

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  1. 1. Why choose rabbit monoclonal antibody?
  2. Rabbit monoclonal antibody has over 100 times higher affinity than that of mouse monoclonal.
  3. 2. Why choose recombinant antibodies?
  4. Recombinant antibodies are known for higher purity and minimal deviation between batches, versus regular antibodies.
  • WB

Usage Information

Application WB
Dilution
WB
1:1000
Reactivity Human Mouse Rat
MW (kDa) 54kDa
Source Rabbit
Concentration 1mg/ml
Storage buffer 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide.
Storage Store at –20°C.

Protocol

WB
+ Expand

Western Blotting

Sample preparation

1. Aspirate media from cultures and Wash the cells with 1X PBS.
2. Lyse cells by adding 1X SDS sample buffer and transfer the extract to a microcentrifuge tube. Keep onice.
3. Sonicate for 10–15 sec to complete cell lysis and shear DNA.
4. Heat a 20 µl sample to 95–100°C for 5 min, then cool on ice.
5. Centrifuge for 5 min (with Microcentrifuge).
6. Load appropriate volumes of samples onto SDS-PAGE gel (loading quantity of protein sample depends on the concentration of extracted proteins).
NOTE: At the same time, please load the pre-stained molecular weight markers to determine molecular weights and verify electrotransfer.
7. Electrotransfer to nitrocellulose/PVDF membrane.

Membrane Blocking and Antibody Incubations

a. Blocking

1. (Optional) After transfer, wash the transferred membrane with TBS for 5 min at room temperature.
2. Incubate the membrane in the blocking buffer for 1 hr at room temperature.
3. Wash three times for 5 min each with TBST.

b. Antibodies Incubation

1. Incubate membrane and primary antibody (at the appropriate dilution and diluent recommended) in a primary antibody dilution buffer with gentle agitation overnight at 4°C.
2. Wash three times for 5 min each with TBST.
3. Incubate membrane with an appropriate second antibodydissolved in the blocking buffer with gentle agitation for 1 hr at room temperature.
4. Wash three times for 5 min each with TBST.
5. Proceed with detection.

Detection of Proteins

1. After antibodies incubation, Wash membrane three times for 5 minutes in TBST.
2. PrepareECL Reagent (or other chromogenic agents/substrate according to your second antibody). Mix well.
3. Incubate substrate with membrane for 1 minute, remove excess solution (membrane remains wet), wrap in plastic and expose to X-ray film.

Description

Specificity

PTEN Antibody detects endogenous levels of PTEN.

Background

Phosphatase and tensin homolog deleted on chromosome ten (PTEN) is a phosphatase that is frequently altered in cancer. PTEN has phosphatase-dependent and -independent roles, and genetic alterations in PTEN lead to deregulation of protein synthesis, the cell cycle, migration, growth, DNA repair, and survival signaling. PTEN localization, stability, conformation, and phosphatase activity are controlled by an array of protein-protein interactions and post-translational modifications. Thus, PTEN-interacting and -modifying proteins have profound effects on the tumor suppressive functions of PTEN. PTEN is a dual-specificity protein and lipid phosphatase, and its primary cellular substrate is the second messenger phos-phatidylinositol(3,4,5)-trisphosphate(PIP3), which it hydrolyzes to phosphatidylinositol (4,5)-bisphosphate (PIP2). PTEN blocks phosphatidylinositol 3 kinase (PI3K) signaling by inhibiting PIP3-dependent processes such as the membrane recruitment and activation of AKT, thereby inhibiting cell survival, growth, and proliferation. PTEN thus occupies a critical node for the inhibition of oncogenic transformation. It is also essential for embryonic development.

Datasheet & MSDS

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