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  1. Link

    human-cd40l-elisa-kit-ab99991.pdf

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Immunology Adaptive Immunity T Cells CD
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Human CD40L ELISA Kit (ab99991)

  • Datasheet
  • SDS
  • Protocol Booklet
Submit a review Q&A (6)References (2)

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Typical Standard Curve
  • Typical Standard Curve

Key features and details

  • Sensitivity: 6 pg/ml
  • Range: 8.23 pg/ml - 6000 pg/ml
  • Sample type: Cell culture supernatant, Plasma, Serum
  • Detection method: Colorimetric
  • Assay type: Sandwich (quantitative)
  • Reacts with: Human

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関連製品

製品の概要

  • 製品名

    Human CD40L ELISA Kit
    TRAP/CD40L キット 製品一覧
  • 検出方法

    Colorimetric
  • サンプルの種類

    Cell culture supernatant, Serum, Plasma
  • アッセイタイプ

    Sandwich (quantitative)
  • 検出感度

    < 6 pg/ml
  • 検出範囲

    8.23 pg/ml - 6000 pg/ml
  • 添加回収試験

    95 %

    特定サンプルでの回収試験
    サンプルの種類 平均 % 測定範囲
    Cell culture supernatant 96.35 86% - 105%
    Serum 93.57 83% - 103%
    Plasma 94.63 84% - 105%
  • ステップ

    Multiple steps standard assay
  • 種交差性

    交差種: Human
  • 製品の概要

    Human CD40L ELISA Kit (ab99991) is an in vitro enzyme-linked immunosorbent assay for the quantitative measurement of Human CD40L in serum, plasma (EDTA or heparin), and cell culture supernatants.


    This assay employs an antibody specific for Human CD40L coated on a 96-well plate. Standards and samples are pipetted into the wells and CD40L present in a sample is bound to the wells by the immobilized antibody. The wells are washed and biotinylated anti-Human CD40L antibody is added. After washing away unbound biotinylated antibody, HRP-conjugated streptavidin is pipetted to the wells. The wells are again washed, a TMB substrate solution is added to the wells and color develops in proportion to the amount of CD40L bound. The Stop Solution changes the color from blue to yellow, and the intensity of the color is measured at 450 nm.


    Get results in 90 minutes with Human CD40 Ligand ELISA Kit (TNFSF5) (ab196268) from our SimpleStep ELISA® range.


     

  • 特記事項

    Optimization may be required with urine samples.

  • 試験プラットフォーム

    Microplate

製品の特性

  • 保存方法

    Store at -20°C. Please refer to protocols.
  • 内容 1 x 96 tests
    20X Wash Buffer 1 x 25ml
    5X Assay Diluent B 1 x 15ml
    600X HRP-Streptavidin Concentrate 1 x 200µl
    Assay Diluent A 1 x 30ml
    Biotinylated anti-Human CD40L 2 vials
    CD40L Microplate (12 x 8 well strips) 1 unit
    Recombinant Human CD40L Standard (lyophilized) 2 vials
    Stop Solution 1 x 8ml
    TMB One-Step Substrate Reagent 1 x 12ml
  • 研究分野

    • Immunology
    • Adaptive Immunity
    • T Cells
    • CD
    • Immunology
    • Immunoglobulins
    • Class Switching
    • Immunology
    • Innate Immunity
    • Cytokines
    • TNF Superfamily
    • Cardiovascular
    • Atherosclerosis
    • Thrombosis
    • Platelets
    • Cardiovascular
    • Atherosclerosis
    • Vascular Inflammation
    • Innate and adaptive immunity
    • Immunology
    • Adaptive Immunity
    • Regulatory T Cells
    • Kits/ Lysates/ Other
    • Kits
    • ELISA Kits
    • ELISA Kits
    • CD markers ELISA kits
  • 機能

    Mediates B-cell proliferation in the absence of co-stimulus as well as IgE production in the presence of IL-4. Involved in immunoglobulin class switching.
    Release of soluble CD40L from platelets is partially regulated by GP IIb/IIIa, actin polymerization, and an matrix metalloproteinases (MMP) inhibitor-sensitive pathway.
  • 組織特異性

    Specifically expressed on activated CD4+ T-lymphocytes.
  • 関連疾患

    Defects in CD40LG are the cause of X-linked immunodeficiency with hyper-IgM type 1 (HIGM1) [MIM:308230]; also known as X-linked hyper IgM syndrome (XHIM). HIGM1 is an immunoglobulin isotype switch defect characterized by elevated concentrations of serum IgM and decreased amounts of all other isotypes. Affected males present at an early age (usually within the first year of life) recurrent bacterial and opportunistic infections, including Pneumocystis carinii pneumonia and intractable diarrhea due to cryptosporidium infection. Despite substitution treatment with intravenous immunoglobulin, the overall prognosis is rather poor, with a death rate of about 10% before adolescence.
  • 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.
    N-linked glycan is a mixture of high mannose and complex type. Glycan structure does not influence binding affinity to CD40.
    Not O-glycosylated.
  • 細胞内局在

    Secreted and Cell membrane.
  • Target information above from: UniProt accession P29965 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt
  • 別名

    • CD 40L
    • CD154
    • CD40 antigen ligand
    • CD40 ligand
    • CD40 ligand, soluble form
    • CD40-L
    • CD40L
    • CD40L_HUMAN
    • CD40LG
    • gp39
    • hCD40L
    • HIGM1
    • IGM
    • IMD3
    • T B cell activating molecule
    • T BAM
    • T-cell antigen Gp39
    • TNF-related activation protein
    • TNFSF5
    • TrAP
    • Tumor necrosis factor (ligand) superfamily member 5
    • Tumor necrosis factor ligand superfamily member 5
    see all
  • 参照データベース

    • Entrez Gene: 959 Human
    • Omim: 300386 Human
    • SwissProt: P29965 Human
    • Unigene: 592244 Human

    関連製品

    • SimpleStep ELISA kits

      • Human CD40L ELISA Kit (TNFSF5) (ab196268)

    画像

    • Typical Standard Curve
      Typical Standard Curve

      Representative Standard Curve using ab99991.

    • Typical Standard Curve
      Typical Standard Curve

      Representative Standard Curve using ab99991.

    プロトコール

    • Protocol Booklet

    Click here to view the general protocols

    データシートおよび資料

    • SDS download

    • Datasheet download

      Download

    参考文献 (2)

    ab99991 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。

    ab99991 は 2 報の論文で使用されています。

    • Kuryk L  et al. Quantification and functional evaluation of CD40L production from the adenovirus vector ONCOS-401. Cancer Gene Ther 26:26-31 (2019). PubMed: 30057416
    • Garofalo M  et al. Heterologous and cross-species tropism of cancer-derived extracellular vesicles. Theranostics 9:5681-5693 (2019). PubMed: 31534511

    レビューと Q&A

    Show All レビュー Q&A
    レビューを送る 質問を送る

    1-6 of 6 Abreviews or Q&A

    Question


    Inquiry: For clarification, is the human kit for the detection of soluble CD40L? It is not clear from the description. The mouse kit (ab119517) clearly states that it is.

    Read More

    Abcam community

    Verified customer

    Asked on Oct 01 2012

    Answer

    Thank you for contacting us. This kit does recognize the extracellular region of CD40L (aa 47 – 261). Thus, it is used for the detection of soluble CD40L. The exact cross-reactivity of membrane-bound CD40L has not been tested. Please let me know if you have further questions.

    Read More

    Abcam Scientific Support

    Answered on Oct 01 2012

    Question

    suivi sur la sensibilité

    Read More

    Abcam community

    Verified customer

    Asked on Mar 26 2012

    Answer

    Merci de votre patience.
    Le laboratoire m'avait envoyé les données qu'ils ont obtenu avec ce lot. Veuillez les trouves dans le document attaché. Les résultats sont mieux que ceux que vous avez obtenue avec le kit que nous vous avions envoyé. Si vous voulez, je peux donc vous envoyer un nouveau kit comme remplacement gratuit. C'est à vous de décider. Comme discuté dans le dernier émail, je ne conseille pas d'utiliser le sérum pure, mais au plus concentré à 1/3. Pour avoir une sensitivité maximale du kit, nous vous recommandons aussi de faire très attention au pipetage et faire assez de lavages. Aussi, nous pouvons recommander de centrifuger les échantillons avant l'utilisation pour enlever des agrégats éventuelles.
    Comme de toute façon les valeurs de CD40L sont très basses dans les échantillons, vous pourriez aussi penser à concentrer les échantillons (sous conditions non-dénaturants, comme avec des spin colums) et de faire l'incubation des échantillons sur la nuit à 4°C.
    J'espère que ces informations vous sont utiles. Veuillez me confirmer comment vous souhaitez procéder ' si vous souhaitez un kit gratuit de remplacement ou si vous souhaitez plutôt un avoir ou remboursement.
    Veuillez ne pas hésiter à nous appeler pour discuter ce problème et les options. Je me réjouis de vos nouvelles.

    Read More

    Abcam Scientific Support

    Answered on Mar 26 2012

    Question

    Phone call: Customer kindly asked the starting dilution factor of plasma with ab99991.

    Read More

    Abcam community

    Verified customer

    Asked on Jan 12 2012

    Answer

    Thank you for contacting us. We unfortunately can’t provide aspecific starting dilution factorat whichthere will be no interference from other plasma proteins in the assay.We recommend trying a series of dilutions until a linear response is measured and determined empirically. I have also had chatwithmy colleague from lab; they have suggestedthat because plasmasamples have differences based on source and method of isolation soevery sample dilution factor should be determined separately. I am sorry we can’t be of more help in this case; the dilution factor has to be determined by the end user. Ihope this information will be helpful. Should you have any other question please do not hesitate to contactus.

    Read More

    Abcam Scientific Support

    Answered on Jan 12 2012

    Question

    The answer you gave is the reason why I asked the question i.e. because plasma can cause matrix effects what is the recommended minimum dilution of human plasma for the assay? This is of key importance in determining the limit of quantification of the assay and thus determining whether I purchase it.  

    Read More

    Abcam community

    Verified customer

    Asked on Dec 05 2011

    Answer

    Thank you for your reply. As I mentioned in my previous email, we do not have a recommended minimum dilution for this kit because the amount of dilution necessary will depend on your samples.  Our recommended starting dilution for further optimization is 2 fold.  I am sorry I cannot provide a more specific recommendation, please let me know if you need any additional information. 

    Read More

    Abcam Scientific Support

    Answered on Dec 05 2011

    Question

    What is the minimum dilution of human plasma for this assay (i.e. where there are no plasma effects)?  

    Read More

    Abcam community

    Verified customer

    Asked on Dec 05 2011

    Answer

    Thank you for contacting us.  Matrix effects can sometimes occur when certain factors in the plasma such as auto-antibodies, binding proteins, albumin, etc. can interfere with the assay if too much is present in your samples.  The result is that the sample may read falsely high or low, or may give a non-linear dilution response.   I hope this helps, please let me know if you need any additional information.     

    Read More

    Abcam Scientific Support

    Answered on Dec 05 2011

    Question

    ab100628 and ab99991 : for the sample preparation (plasma), 1) is it ok to use EDTA? 2) can the samples be stored at-80°C for 3 to 6 months?

    Read More

    Abcam community

    Verified customer

    Asked on Oct 31 2011

    Answer

    Merci de nous avoir contactés. J'ai reçu les informations suivantes concernant les kits ELISA CD40L et PF4 : ab99991 doit être utilisé avec des échantillons de plasma traités EDTA ou héparine. L'utilisation d'autres anticoagulants n'est pas recommandée. ab100628 peut être utilisé avec des échantillons de plasma traités EDTA, héparine ou citrate. Concernant les conditions de stockage, le laboratoire n'a pas d'information spécifique pour CD40 et PF4 dans le plasma. En règle générale, les protéines contenues dans le sérum ou le plasma sont stables à -80°C pour une durée d'environ un an. Préparation recommandée des échantillons : - Plasma : Collecter le sang un tube d'EDTA ou d'héparine. Centrifuger à 3000g pendant 10 minutes. Aliquoter et stocker à -80°C - Sérum : Collecter le sang sans additif. Maintenir à température ambiante pendant 20 minutes. Centrifuger à 3000g pendant 10 minutes. Aliquoter et stocker à -80°C. ------------------------ ab99991 should only be used with EDTA-plasma or heparin-plasma. Use of other anti-coagulants is not recommended. ab100628 can be used with EDA-plasma, heparin-plasma or citrate-plasma. FYI, unless otherwise stated in the Introduction Section of the manual, if the kit is compatible with plasma, it will be compatible with heparin, EDTA, and citrate anti-coagulants. As far as plasma sample storage, I’m not aware of a stability study specifically for CD40 ligand and Platelet Factor 4 in plasma, but in general most protein should be stable in serum or plasma for at least a year if stored at -80ºC. For Plasma : Collect blood into EDTA or Sodium heparin tube Spin 10 minutes at 3000g Aliquot into small tubes and store at –80°C until use. For serum: Collect blood into tube without additive Keep at room temperature for 20 minutes Spin 10 minutes at 3000g Aliquot into small tubes and store at –80°C until use.

    Read More

    Abcam Scientific Support

    Answered on Oct 31 2011

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