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84584
PathScan® Total RIP3 Sandwich ELISA Kit
ELISA Kits
ELISA Kit

PathScan® Total RIP3 Sandwich ELISA Kit #84584

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PathScan® Total RIP3 Sandwich ELISA Kit: Image 1

Figure 1. RIP3 protein is expressed in L-929 cells but absent in HT-29 cells. The relationship between lysate protein concentration from L-929 and HT-29 cells and the absorbance at 450 nm using the PathScan® Total RIP3 Sandwich ELISA Kit #84584 is shown. Unstarved L-929 or HT-29 cells were harvested and then lysed.

To Purchase # 84584C
製品番号 サイズ 価格 在庫
84584C
1 Kit  (96 assays)

Supporting Data

REACTIVITY M R

Application Key:

  • W-Western
  • 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
  • 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
RIP3 Rabbit mAb Coated Microwells 96 tests
RIP3 Rabbit Detection mAb 1 ea Red (Lyophilized)
HRP Diluent 5.5 ml Red
TMB Substrate 7004 11 ml
STOP Solution 7002 11 ml
Sealing Tape 2 ea
ELISA Wash Buffer (20X) 9801 25 ml
Cell Lysis Buffer (10X) 9803 15 ml

Product Description

The PathScan® Total RIP3 Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of RIP3 protein. Incubation of cell lysates and detection antibody on the coated microwell plate forms a sandwich with RIP3 protein in a single step. The plate is then extensively washed and TMB reagent is added for signal development. The magnitude of absorbance for the developed color is proportional to the quantity of RIP3 protein.

*Antibodies in this kit are custom formulations specific to kit.

Protocol

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PathScan® Sandwich ELISA Protocol (One-Step Test Procedure)

NOTE: This protocol is for PathScan® kits that use an HRP directly conjugated to the detection antibody (1-step method), rather than a 2-step method where the detection antibody and a secondary-HRP are added sequentially.

Refer to product-specific datasheets for assay incubation temperature.

A. Solutions and Reagents

NOTE: Prepare solutions with deionized/purified water or equivalent.

  1. Microwell strips: Bring all to room temperature before opening bag/use. Unused microwell strips should be returned to the original re-sealable bag containing the desiccant pack and stored at 4°C.
  2. Detection Antibody: Reconstitute lyophilized Detection Antibody (red colored cake) with 5.5 mL HRP Diluent. Incubate at room temperature for 5 min with occasional gentle mixing to fully reconstitute. For best results, use immediately following antibody reconstitution. Unused reconstituted Detection Antibody may be stored for up to 4 weeks at 4°C, although there may be some loss of signal compared to freshly reconstituted antibody.
  3. HRP Diluent: Red colored diluent for reconstitution and dilution of the Detection Antibody that is linked to HRP.
  4. 1X ELISA Wash Buffer: Prepare by diluting ELISA Wash Buffer (20X) (included in each kit) to 1X with deionized water.
  5. 1X Cell Lysis Buffer: Prepare by diluting 10X Cell Lysis Buffer #9803 to 1X with deionized water. This buffer can be stored at 4°C for short-term use (1–2 weeks). Recommended: When using to prepare cell lysates, add Protease/Phosphatase Inhibitor Cocktail (#5872, not supplied) and 1 mM phenylmethyl- sulfonyl fluoride (PMSF, #8553, not supplied) immediately before use.
  6. TMB Substrate (#7004): Bring to room temperature before use.
  7. STOP Solution (#7002): Bring to room temperature before use.

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 including 1 mM PMSF and Protease/Phosphatase Inhibitor Cocktail 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 (14,000 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 including 1 mM PMSF and Protease/Phosphatase Inhibitor Cocktail.
  4. Sonicate lysates on ice.
  5. Microcentrifuge for 10 min (14,000 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

NOTE: Equilibrate all materials and prepared reagents to room temperature prior to running the assay.

  1. Prepare all reagents as indicated above (Section A).
  2. Samples should be undiluted or diluted with 1X Cell Lysis Buffer to a 2X protein concentration in order to achieve a final 1X protein concentration upon addition of the Detection Antibody. 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 results across a range of lysate concentration points.
  3. Add 50 µL of each sample to the appropriate wells.
  4. Add 50 µL of the Detection Antibody to each well.
  5. Seal the plate and incubate for 1 hour at room temperature on a plate shaker set to 400 rpm (moderate agitation).
  6. 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.
  7. Add 100 µL of TMB Substrate to each well. Seal with tape and incubate the plate in the dark for 15 min at room temperature on a plate shaker (400 rpm, moderate agitation) or alternatively for 10 min at 37°C without shaking.
  8. Add 100 µL of STOP Solution to each well. Shake gently for a few seconds.
  9. NOTE: Initial color of positive reaction is blue, which changes to yellow upon addition of STOP Solution.

  10. 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.

created July 2020

Protocol Id: 2144

Specificity / Sensitivity

The PathScan® Total RIP3 Sandwich ELISA Kit detects endogenous levels of RIP3 protein. The kit sensitivity is shown in Figure 1. 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:

Mouse, Rat

Background

The receptor-interacting protein (RIP) family of serine-threonine kinases (RIP, RIP2, RIP3, and RIP4) are important regulators of cellular stress that trigger pro-survival and inflammatory responses through the activation of NF-κB, as well as pro-apoptotic pathways (1). In addition to the kinase domain, RIP contains a death domain responsible for interaction with the death domain receptor Fas and recruitment to TNF-R1 through interaction with TRADD (2,3). RIP-deficient cells show a failure in TNF-mediated NF-κB activation, making the cells more sensitive to apoptosis (4,5). RIP also interacts with TNF-receptor-associated factors (TRAFs) and can recruit IKKs to the TNF-R1 signaling complex via interaction with NEMO, leading to IκB phosphorylation and degradation (6,7). Overexpression of RIP induces both NF-κB activation and apoptosis (2,3). Caspase-8-dependent cleavage of the RIP death domain can trigger the apoptotic activity of RIP (8).

Receptor-interacting protein 3 (RIP3) was originally found to interact with RIP and the TNF receptor complex to induce apoptosis and activation of NF-κB (9,10). It has subsequently been shown that the association between RIP and RIP3 is a key component of a signaling pathway that results in programmed necrosis (necroptosis), a necrotic-like cell death induced by TNF in the presence of caspase inhibitors (11-13). RIP3 is phosphorylated at Ser227 and targets the phosphorylation of mixed lineage kinase domain-like protein (MLKL), which is critical for necroptosis (14).

  1. Meylan, E. and Tschopp, J. (2005) Trends Biochem Sci 30, 151-9.
  2. Hsu, H. et al. (1996) Immunity 4, 387-96.
  3. Stanger, B.Z. et al. (1995) Cell 81, 513-23.
  4. Ting, A.T. et al. (1996) EMBO J 15, 6189-96.
  5. Kelliher, M.A. et al. (1998) Immunity 8, 297-303.
  6. Devin, A. et al. (2000) Immunity 12, 419-29.
  7. Zhang, S.Q. et al. (2000) Immunity 12, 301-11.
  8. Lin, Y. et al. (1999) Genes Dev 13, 2514-26.
  9. Yu, P.W. et al. (1999) Curr Biol 9, 539-42.
  10. Sun, X. et al. (1999) J Biol Chem 274, 16871-5.
  11. Zhang, D.W. et al. (2009) Science 325, 332-6.
  12. He, S. et al. (2009) Cell 137, 1100-11.
  13. Cho, Y.S. et al. (2009) Cell 137, 1112-23.
  14. Sun, L. et al. (2012) Cell 148, 213-27.

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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