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7308
PathScan® Total β-Catenin Sandwich ELISA Kit
ELISA Kits
ELISA Kit

PathScan® Total β-Catenin Sandwich ELISA Kit #7308

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PathScan® Total β-Catenin Sandwich ELISA Kit: Image 1
Figure 2: The relationship between protein concentration of lysates from untreated and Forskolin treated COS cells and kit assay optical density readings is shown. COS cells were treated with Forskolin #3828 (50 µM) for 30 min at 37°C, and then lysed.
PathScan® Total β-Catenin Sandwich ELISA Kit: Image 2
Figure 3: Kit specificity demonstrated by Western blot analysis of the ELISA-well captured protein. Lysates were prepared from human 293 cells and incubated in wells coated with capture β-Catenin Antibody #9562. Wells were then washed and captured protein was solubilized in SDS gel loading buffer. Western blot analysis of 293 cell starting lysate (lane 1) and captured protein (lane 2) was performed, using β-Catenin Mouse mAb #2322. The major band detected in the captured material corresponds to the β-catenin protein (lane 2).
PathScan® Total β-Catenin Sandwich ELISA Kit: Image 3
Figure 1: Nonphospho- and phospho-β-catenin proteins from untreated and Calyculin A-treated 293 cells can be detected by PathScan® Total β-Catenin Sandwich ELISA kit #7308 with similar optical density readings. OD 450 readings are shown in the top figure, while the corresponding Western blot using Phospho-β-Catenin (Ser45) Antibody #9564 (right panel) or β-Catenin Antibody #9562 (left panel), is shown in the bottom figure.
To Purchase # 7308C
製品番号 サイズ 価格 在庫
7308C
1 Kit  (96 assays)

Important Ordering Details

Custom Ordering Details: When ordering five or more kits, please contact us for processing time and pricing at [email protected].

Supporting Data

REACTIVITY H M Mk

Application Key:

  • WB-Western Blot
  • IP-Immunoprecipitation
  • IHC-Immunohistochemistry
  • ChIP-Chromatin Immunoprecipitation
  • IF-Immunofluorescence
  • F-Flow Cytometry
  • E-P-ELISA-Peptide

Species 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
  • All-All Species Expected
Product Includes Volume Solution Color
β-Catenin Mouse mAb Coated Microwells 96 tests
B-Catenin Rabbit Detection mAb 1 ea Green (Lyophilized)
Anti-rabbit IgG, HRP-linked Antibody (ELISA Formulated) 1 ea Red (Lyophilized)
Detection Antibody Diluent 11 ml Green
HRP Diluent 11 ml Red
TMB Substrate 7004 11 ml
STOP Solution 7002 11 ml
Sealing Tape 2 ea
ELISA Wash Buffer (20X) 9801 25 ml
ELISA Sample Diluent 25 ml Blue
Cell Lysis Buffer (10X) 9803 15 ml

Product Description

CST's PathScan® Total Beta-Catenin Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of total Beta-catenin protein. A Beta-Catenin Ab has been coated onto the microwells. After incubation with cell lysates, both phospho- and nonphospho-Beta-catenin proteins are captured by the coated antibody. Following extensive washing, Beta-Catenin rabbit mAb is added to detect both the captured phospho- and nonphospho-Beta-catenin protein. Anti-Rabbit IgG, HRP-linked Antibody is then used to recognize the bound detection antibody. HRP substrate, TMB, is added to develop color. The magnitude of optical density for this developed color is proportional to the quantity of total Beta-catenin protein. Antibodies in kit are custom formulations specific to kit.
MW (kDa) 92

Protocol

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ELISA Colorimetric (Lyophilized)

A. Solutions and Reagents

NOTE: Prepare solutions with purified water.

  1. Microwell strips: Bring all to room temperature before use.
  2. Detection Antibody: Supplied lyophilized as a green colored cake or powder. Add 1.0 ml of Detection Antibody Diluent (green solution) to yield a concentrated stock solution. Incubate at room temperature for 5 min with occasional gentle mixing to fully reconstitute. To make the final working solution, add the full 1.0 ml volume of reconstituted Detection Antibody to 10.0 ml of Detection Antibody Diluent in a clean tube and gently mix. Unused working solution may be stored for 4 weeks at 4°C.
  3. HRP-Linked Antibody*: Supplied lyophilized as a red colored cake or powder. Add 1.0 ml of HRP Diluent (red solution) to yield a concentrated stock solution. Incubate at room temperature for 5 min with occasional gentle mixing to fully reconstitute. To make the final working solution, add the full 1.0 ml volume of reconstituted HRP-Linked Antibody to 10.0 ml of HRP Diluent in a clean tube and gently mix. Unused working solution may be stored for 4 weeks at 4°C.
  4. Detection Antibody Diluent: Green colored diluent for reconstitution and dilution of the detection antibody (11 ml provided).
  5. HRP Diluent: Red colored diluent for reconstitution and dilution of the HRP‑Linked Antibody (11 ml provided).
  6. Sample Diluent: Blue colored diluent provided for dilution of cell lysates.
  7. 1X Wash Buffer: Prepare by diluting 20X Wash Buffer (included in each PathScan® Sandwich ELISA Kit) in purified water.
  8. Cell Lysis Buffer: 10X Cell Lysis Buffer #9803: This buffer can be stored at 4°C for short-term use (1–2 weeks). Recommended: Add 1 mM phenylmethylsulfonyl fluoride (PMSF) immediately before use.
  9. TMB Substrate (#7004).
  10. STOP Solution (#7002).

*NOTE: Some PathScan® ELISA Kits may include HRP-Linked Streptavidin in place of HRP-Linked Antibody.

B. Preparing Cell Lysates

For adherent cells.

  1. Aspirate media when the culture reaches 80–90% confluence. Treat cells by adding fresh media containing regulator for desired time.
  2. Remove media and rinse cells once with ice-cold 1X PBS.
  3. Remove PBS and add 0.5 ml ice-cold 1X Cell Lysis Buffer plus 1 mM PMSF to each plate (10 cm diameter) and incubate the plate on ice for 5 min.
  4. Scrape cells off the plate and transfer to an appropriate tube. Keep on ice.
  5. Sonicate lysates on ice.
  6. Microcentrifuge for 10 min (x14,000 rpm) at 4°C and transfer the supernatant to a new tube. The supernatant is the cell lysate. Store at −80°C in single-use aliquots.

For suspension cells

  1. Remove media by low speed centrifugation (~1200 rpm) when the culture reaches 0.5–1.0 x 106 viable cells/ml. Treat cells by adding fresh media containing regulator for desired time.
  2. Collect cells by low speed centrifugation (~1200 rpm) and wash once with 5–10 ml ice-cold 1X PBS.
  3. Cells harvested from 50 ml of growth media can be lysed in 2.0 ml of 1X Cell Lysis Buffer plus 1 mM PMSF.
  4. Sonicate lysates on ice.
  5. Microcentrifuge for 10 min (x14,000 rpm) at 4°C and transfer the supernatant to a new tube. The supernatant is the cell lysate. Store at −80°C in single-use aliquots.

C. Test Procedure

  1. After the microwell strips have reached room temperature, break off the required number of microwells. Place the microwells in the strip holder. Unused microwells must be resealed and stored at 4°C immediately.
  2. Cell lysates can be undiluted or diluted with Sample Diluent (supplied in each PathScan® Sandwich ELISA Kit, blue color). Individual datasheets for each kit provide a sensitivity curve that serves as a reference for selection of an appropriate starting lysate concentration. The sensitivity curve shows typical kit assay results across a range of lysate concentration points.
  3. Add 100 µl of each undiluted or diluted cell lysate to the appropriate well. Seal with tape and press firmly onto top of microwells. Incubate the plate for 2 hr at 37°C. Alternatively, the plate can be incubated overnight at 4°C.
  4. Gently remove the tape and wash wells:
    1. Discard plate contents into a receptacle.
    2. Wash 4 times with 1X Wash Buffer, 200 µl each time for each well.
    3. For each wash, strike plates on fresh towels hard enough to remove the residual solution in each well, but do not allow wells to completely dry at any time.
    4. Clean the underside of all wells with a lint-free tissue.
  5. Add 100 µl of reconstituted Detection Antibody (green color) to each well (refer to Section A, Step 2). Seal with tape and incubate the plate at 37°C for 1 hr.
  6. Repeat wash procedure (Section C, Step 4).
  7. Add 100 µl of reconstituted HRP-Linked secondary antibody (red color) to each well (refer to Section A, Step 3). Seal with tape and incubate the plate for 30 min at 37°C.
  8. Repeat wash procedure (Section C, Step 4).
  9. Add 100 µl of TMB Substrate to each well. Seal with tape and incubate the plate for 10 min at 37°C or 30 min at 25°C.
  10. Add 100 µl of STOP Solution to each well. Shake gently for a few seconds.

NOTE: Initial color of positive reaction is blue, which changes to yellow upon addition of STOP Solution.

  1. Read results.
    1. Visual Determination: Read within 30 min after adding STOP Solution.
    2. Spectrophotometric Determination: Wipe underside of wells with a lint-free tissue. Read absorbance at 450 nm within 30 min after adding STOP Solution.

posted November 2013

Protocol Id: 204

Specificity / Sensitivity

CST's PathScan® Total Beta-Catenin Sandwich ELISA Kit #7308 detects endogenous levels of total beta-catenin protein. As shown in Figure 1, both phospho-and nonphospho-β-catenin protein from untreated and Calyculin A-treated 293 cell lysates are detected by this kit. In Figure 3, Western blot analysis of protein captured in the β-Catenin Antibody #9562 coated microwell shows a major band corresponding to the β-catenin protein. This kit detects proteins from the indicated species, as determined through in-house testing, but may also detect homologous proteins from other species.

Species Reactivity:

Human, Mouse, Monkey

Background

β-Catenin is a key downstream effector in the Wnt signaling pathway (1). It is implicated in two major biological processes in vertebrates: early embryonic development (2) and tumorigenesis (3). CK1 phosphorylates β-Catenin at Ser45. This phosphorylation event primes β-Catenin for subsequent phosphorylation by GSK-3β (4-6). GSK-3β destabilizes β-catenin by phosphorylating it at Ser33, Ser37, and Thr41 (7). Mutations at these sites result in the stabilization of β-Catenin protein levels and have been found in many tumor cell lines (8).
  1. Cadigan, K.M. and Nusse, R. (1997) Genes Dev 11, 3286-3305.
  2. Wodarz, A. and Nusse, R. (1998) Annu Rev Cell Dev Biol 14, 59-88.
  3. Polakis, P. (1999) Curr Opin Genet Dev 9, 15-21.
  4. Amit, S. et al. (2002) Genes Dev 16, 1066-76.
  5. Liu, C. et al. (2002) Cell 108, 837-47.
  6. Yanagawa, S. et al. (2002) EMBO J 21, 1733-42.
  7. Yost, C. et al. (1996) Genes Dev 10, 1443-54.
  8. Morin, P.J. et al. (1997) Science 275, 1787-90.

Pathways & Proteins

Explore pathways + proteins related to this product.

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For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
PathScan is a trademark of Cell Signaling Technology, Inc.
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