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  1. Link

    recombinant-human-tnf-alpha-protein-ab9642.pdf

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Immunology Innate Immunity Cytokines TNF Superfamily
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Bioactive grade

Recombinant human TNF alpha protein (ab9642)

  • Datasheet
  • SDS
Submit a review Q&A (2)References (7)

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出荷および受注について

Abpromise

保証された製品品質、優れたカスタマー・サポート。 詳細はこちら。

Sandwich ELISA - Recombinant human TNF alpha protein (ab9642)
  • ChIP - Recombinant human TNF alpha protein (ab9642)
  • Western blot - Recombinant human TNF alpha protein (ab9642)
  • Western blot - Recombinant human TNF alpha protein (ab9642)
  • Western blot - Recombinant human TNF alpha protein (ab9642)
  • Immunoprecipitation - Recombinant human TNF alpha protein (ab9642)
  • Western blot - Recombinant human TNF alpha protein (ab9642)

Key features and details

  • Expression system: Escherichia coli
  • Purity: > 98% SDS-PAGE
  • Endotoxin level: < 1.000 Eu/µg
  • Active: Yes
  • Suitable for: Functional Studies, Sandwich ELISA, HPLC, SDS-PAGE

こちらの製品もご検討ください

ELISA
Product image
Human TNF alpha ELISA Kit (ab181421)
一次抗体
Product image
Anti-TNF alpha antibody (ab6671)

関連製品

製品の詳細

  • 製品名

    Recombinant human TNF alpha protein
    TNF alpha タンパク質・ペプチド 製品一覧
  • 生理活性

    The ED50, as determined by the cytolysis of murine L929 cells in the presence of Actinomyocin D, is ≤ 0.05 ng/mL, corresponding to a specific activity of ≥ 2 x 107 units/mg.

  • 精製度

    > 98 % SDS-PAGE.
    >98% by HPLC analyses. Sterile filtered.
  • エンドトキシン・レベル

    < 1.000 Eu/µg
  • 発現系

    Escherichia coli
  • アクセッション番号

    P01375
  • タンパク質長

    Full length protein
  • Animal free

    No
  • 由来

    Recombinant
    • 生物種

      Human
    • 配列

      VRSSSRTPSD KPVAHVVANP QAEGQLQWLN RRANALLANG VELRDNQLVV PSEGLYLIYS QVLFKGQGCP STHVLLTHTI SRIAVSYQTK VNLLSAIKSP CQRETPEGAE AKPWYEPIYL GGVFQLEKGD RLSAEINRPD YLDFAESGQV YFGIIAL
    • 予測される分子量

      17 kDa
    • 領域

      77 to 233
    • 配列の追加情報

      aa 77 to 233 refers to the full length mature form (soluble).

関連製品

  • ELISA pair antibody

    • Anti-TNF alpha antibody (ab9635)
  • Related Products

    • Human TNF alpha ELISA Kit (ab181421)
    • Human TNF alpha Matched Antibody Pair Kit (ab213467)
    • Anti-TNF alpha antibody (ab9348)

特性

Our Abpromise guarantee covers the use of ab9642 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

  • アプリケーション

    Functional Studies

    Sandwich ELISA

    HPLC

    SDS-PAGE

  • 製品の状態

    Lyophilized
  • 備考

    Lots prior to June 2015 contain 0.036% Tris (including lots GR157466-11, -12 and -13).

  • Concentration information loading...

前処理および保存

  • 保存方法および安定性

    Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C or -80°C. Avoid freeze / thaw cycle.

    Constituents: 0.049% Sodium phosphate, 0.12% Sodium chloride

    This product is an active protein and may elicit a biological response in vivo, handle with caution.

  • 再構成
    Reconstitute with dH2O to make a final concentration between 0.1 to 1.0 mg/ml.

関連情報

  • 別名

    • APC1
    • APC1 protein
    • Cachectin
    • DIF
    • Differentiation inducing factor
    • Macrophage cytotoxic factor
    • Tnf
    • TNF superfamily member 2
    • TNF superfamily, member 2
    • TNF, macrophage derived
    • TNF, monocyte derived
    • TNF-a
    • TNF-alpha
    • TNFA
    • TNFA_HUMAN
    • TNFSF2
    • Tumor necrosis factor
    • Tumor necrosis factor (TNF superfamily member 2)
    • Tumor necrosis factor alpha
    • Tumor necrosis factor ligand superfamily member 2
    • Tumor Necrosis Factor, Membrane Form
    • Tumor necrosis factor, soluble form
    see all
  • 機能

    Cytokine that binds to TNFRSF1A/TNFR1 and TNFRSF1B/TNFBR. It is mainly secreted by macrophages and can induce cell death of certain tumor cell lines. It is potent pyrogen causing fever by direct action or by stimulation of interleukin-1 secretion and is implicated in the induction of cachexia, Under certain conditions it can stimulate cell proliferation and induce cell differentiation.
  • 関連疾患

    Genetic variations in TNF are a cause of susceptibility psoriatic arthritis (PSORAS) [MIM:607507]. PSORAS is an inflammatory, seronegative arthritis associated with psoriasis. It is a heterogeneous disorder ranging from a mild, non-destructive disease to a severe, progressive, erosive arthropathy. Five types of psoriatic arthritis have been defined: asymmetrical oligoarthritis characterized by primary involvement of the small joints of the fingers or toes; asymmetrical arthritis which involves the joints of the extremities; symmetrical polyarthritis characterized by a rheumatoidlike pattern that can involve hands, wrists, ankles, and feet; arthritis mutilans, which is a rare but deforming and destructive condition; arthritis of the sacroiliac joints and spine (psoriatic spondylitis).
  • 配列類似性

    Belongs to the tumor necrosis factor family.
  • 翻訳後修飾

    The soluble form derives from the membrane form by proteolytic processing.
    The membrane form, but not the soluble form, is phosphorylated on serine residues. Dephosphorylation of the membrane form occurs by binding to soluble TNFRSF1A/TNFR1.
    O-glycosylated; glycans contain galactose, N-acetylgalactosamine and N-acetylneuraminic acid.
  • 細胞内局在

    Secreted and Cell membrane.
  • Target information above from: UniProt accession P01375 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt

画像

  • Sandwich ELISA - Recombinant human TNF alpha protein (ab9642)
    Sandwich ELISA - Recombinant human TNF alpha protein (ab9642)

    Standard curve for TNF alpha (Analyte: ab9642); dilution range 1pg/ml to 1µg/ml using Capture Antibody Mouse monoclonal [2C8] to TNF alpha (ab8348) at 5µg/ml and Detector Antibody Rabbit polyclonal to TNF alpha (ab9635) at 0.5µg/ml.

  • ChIP - Recombinant human TNF alpha protein (ab9642)
    ChIP - Recombinant human TNF alpha protein (ab9642)

    Chromatin was prepared from HeLa (human epithelial cell line from cervix adenocarcinoma) cells treated with and without 20 ng/ml TNF-α (ab9642) for 60 minutes according to the Abcam X-ChIP protocol. Cells were fixed with formaldehyde for 10 minutes. The ChIP was performed with 25 μg of chromatin, 5 μg of ab218533 (red), and 20 µl of Protein A/G sepharose beads. 5 μg of rabbit normal IgG was added to the beads control (gray). The immunoprecipitated DNA was quantified by real time PCR (SYBR green approach).

    The ChIP data are consistent with the literature (PMID: 16135789).

  • Western blot - Recombinant human TNF alpha protein (ab9642)
    Western blot - Recombinant human TNF alpha protein (ab9642)
    All lanes : Anti-TNFAIP3 antibody [EPR2663] (ab92324) at 1/5000 dilution

    Lane 1 : WEHI-3 (Mouse leukemia lymphoblast) whole cell lysate
    Lane 2 : WEHI-3 treated with 20 ng/ml TNF alpha (ab9642) for 6 h

    Lysates/proteins at 20 µg per lane.

    Secondary
    All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/20000 dilution

    Observed band size: 80 kDa
    why is the actual band size different from the predicted?

  • Western blot - Recombinant human TNF alpha protein (ab9642)
    Western blot - Recombinant human TNF alpha protein (ab9642)
    All lanes : Anti-NF-kB p65 (acetyl K310) antibody [EPR21781] - ChIP Grade (ab218533) at 1/2000 dilution

    Lane 1 : HEK-293 transfected with NF-kB p65 expression vector containing a myc-His-tag®, whole cell lysate
    Lane 2 : HEK-293 transfected with NF-kB p65 and p300 (aa1287-1663) expression vectors containing a myc-His-tag®, then treated with 20 ng/ml TNF-alpha (ab9642) for 60 minutes, whole cell lysate

    Lysates/proteins at 10 µg per lane.

    Secondary
    All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/100000 dilution

    Observed band size: 70 kDa why is the actual band size different from the predicted?


    Exposure time: 37 seconds


    Blocking/Dilution buffer: 5% NFDM/TBST.

    NF-κB p65 (acetyl K310) expression is induced by TNF-α and p300 acetyltransferases (PMID: 20160011, PMID: 12456660, PMID: 16135789).

  • Western blot - Recombinant human TNF alpha protein (ab9642)
    Western blot - Recombinant human TNF alpha protein (ab9642)
    All lanes : Anti-MLKL (phospho S345) antibody [EPR9515(2)] (ab196436) at 1/1000 dilution

    Lane 1 : Untreated L-929 (Mouse connective tissue fibroblast cells) whole cell lysate
    Lane 2 : L-929 whole cell lysate treated with 20 ng/ml TNF alpha (ab9642), 100 nM Smac mimetic, and 20 µM z-VAD (ab120382) for 8 h and then harvested.

    Lysates/proteins at 10 µg per lane.

    Secondary
    All lanes : Peroxidase-conjugated goat anti-rabbit IgG (H+L) at 1/1000 dilution

    Observed band size: 54 kDa why is the actual band size different from the predicted?


    Exposure time: 15 seconds


    Blocking and dilution buffer: 5% NFDM/TBST.

  • Immunoprecipitation - Recombinant human TNF alpha protein (ab9642)
    Immunoprecipitation - Recombinant human TNF alpha protein (ab9642)

    MLKL (phospho S345) was immunoprecipitated from 1mg of L-929 (Mouse connective tissue fibroblast cells) whole cell lysate treated with 20 ng/ml TNF alpha (ab9642) + 100 nM Smac mimetic + 20 µM z-VAD compound (ab120382) for 8h using ab196436 at 1/150 dilution. Western blot was performed from the immunoprecipitate using ab196436 at 1/1000 dilution. Anti-Rabbit IgG (HRP), specific to the non-reduced form of IgG, was used as secondary antibody at 1/1500 dilution.

    Lane 1: L-929 whole cell lysate treated with 20 ng/ml TNF alpha (ab9642) + 100 nM Smac mimetic+ 20 µM z-VAD compound (ab120382) for 8h;10 µg (Input).
    Lane 2: ab196436 IP in L-929 whole cell lysate treated with 20 ng/ml TNF alpha (ab9642) + 100 nM Smac mimetic+ 20 µM z-VAD compound (ab120382) for 8h.
    Lane 3: Rabbit monoclonal IgG (ab172730) instead of ab196436 in L-929 whole cell lysate treated with 20 ng/ml TNF alpha (ab9642) + 100 nM Smac mimetic+ 20 µM z-VAD compound (ab120382) for 8h.

    Blocking and dilution buffer and concentration: 5% NFDM/TBST.

  • Western blot - Recombinant human TNF alpha protein (ab9642)
    Western blot - Recombinant human TNF alpha protein (ab9642)
    All lanes : Anti-MLKL (phospho S345) antibody [EPR9515(2)] (ab196436) at 1/1000 dilution

    Lane 1 : L-929 treated with 20 ng/ml TNF alpha (ab9642), 100 nM Smac mimetic, and 20 µM z-VAD (ab120382) for 8 h, whole cell lysate
    Lane 2 : Mouse brain tissue lysate
    Lane 3 : Mouse colon tissue lysate
    Lane 4 : Mouse lung tissue lysate
    Lane 5 : Mouse retina tissue lysate
    Lane 6 : Mouse liver tissue lysate
    Lane 7 : Raw264.7 (Mouse Abelson murine leukemia virus-induced tumor macrophage) whole cell lysate

    Lysates/proteins at 20 µg per lane.

    Secondary
    All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/20000 dilution

    Observed band size: 54 kDa why is the actual band size different from the predicted?


    Exposure time: 50 seconds


    Blocking and diluting buffer: 5% NFDM/TBST.

    MLKL pS345 is a trigger for necroptosis. It is only detectable in infection/cellular damaged (PMID:29229989) or aging tissue (PMID: 28807105) but not in normal tissues.

プロトコール

To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.

Click here to view the general protocols

データシートおよび資料

    • Datasheet
    • SDS
  • 参考文献 (7)

    ab9642 を使用した論文を発表された方は、こちらまでお知らせください。データシートに掲載させていただきます。

    ab9642 は 7 報の論文で使用されています。

    • King D  et al. Label-Free Multi Parameter Optical Interrogation of Endothelial Activation in Single Cells using a Lab on a Disc Platform. Sci Rep 9:4157 (2019). PubMed: 30858536
    • Zhang B  et al. Mesenchymal stem cells rejuvenate cardiac muscle through regulating macrophage polarization. Aging (Albany NY) 11:3900-3908 (2019). PubMed: 31212255
    • Wang W  et al. Astilbin reduces ROS accumulation and VEGF expression through Nrf2 in psoriasis-like skin disease. Biol Res 52:49 (2019). PubMed: 31492195
    • Ulu A  et al. Omega-3 Fatty Acid-Derived Resolvin D2 Regulates Human Placental Vascular Smooth Muscle and Extravillous Trophoblast Activities. Int J Mol Sci 20:N/A (2019). PubMed: 31500240
    • Gasparotto J  et al. Effects of different products of peach (Prunus persica L. Batsch) from a variety developed in southern Brazil on oxidative stress and inflammatory parameters in vitro and ex vivo. J Clin Biochem Nutr 55:110-9 (2014). PubMed: 25320458
    • Paludo FJ  et al. Effects of 47C allele (rs4880) of the SOD2 gene in the production of intracellular reactive species in peripheral blood mononuclear cells with and without lipopolysaccharides induction. Free Radic Res 48:190-9 (2014). PubMed: 24164232
    • Paludo FJ  et al. Participation of 47C>T SNP (Ala-9Val polymorphism) of the SOD2 gene in the intracellular environment of human peripheral blood mononuclear cells with and without lipopolysaccharides. Mol Cell Biochem 372:127-35 (2013). PubMed: 22983815

    レビューと Q&A

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    レビューを送る 質問を送る

    1-2 of 2 Abreviews or Q&A

    Question

    What is stability of protein at 37 degree?
    longest incubation is 96 h (4 days) in DMEM-F12 (50/50) + FBS + antibiotics (streptomycin, penicillin)
    protein to be used at 1 nM (excess)

    Read More

    Abcam community

    Verified customer

    Asked on Feb 21 2013

    Answer


    The lab let me know that they do not test the half-life/stability of ab9642 at 37oC. However, they have found that in their assay on 929 cells, they incubate this product in culture for approximately 21 hours. It is incubated in assay media containing 2ug/ml of Actinomycin D.

    I would thus suggest to test if the protein is still stable after 96 hours, but to be on the safe side a 24 h incubation might be best.

    Read More

    Abcam Scientific Support

    Answered on Feb 21 2013

    Question

    Customer would like to know the differences between these two proteins.

    Read More

    Abcam community

    Verified customer

    Asked on Sep 16 2004

    Answer

    Thank you for your enquiry. As I mentioned earlier, these proteins were originated from two different sources outside Abcam. Regarding the specific activity and purity for these antibodies: Ab7420 - Specific activity: 2.34 x 10 to the 6 Units/mg protein. 99% purity. Ab9642 - Specific activity: > 2 x 10 to the 7 units/mg. Greater than 98% pure. Either one should work for you, please take a look again at the online datasheets - all the information that we have is accessible to you. If you have any further questions, please do let me know.

    Read More

    Abcam Scientific Support

    Answered on Sep 17 2004

    Please note: All products are "FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC PROCEDURES"
    For licensing inquiries, please contact partnerships@abcam.com

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