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  1. Link

    mafa-antibody-ab17976.pdf

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Signal Transduction Growth Factors/Hormones Insulin / Insulin-like
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Anti-MafA 抗体 (ab17976)

  • Datasheet
  • SDS
Reviews (7)Q&A (3)References (5)

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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。

Western blot - Anti-MafA antibody (ab17976)
  • Electrophoretic Mobility Shift Assay - Anti-MafA antibody (ab17976)

Key features and details

  • Rabbit polyclonal to MafA
  • Suitable for: WB, EMSA
  • Reacts with: Human
  • Isotype: IgG

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関連製品

製品の概要

  • 製品名

    Anti-MafA antibody
    MafA 一次抗体 製品一覧
  • 製品の詳細

    Rabbit polyclonal to MafA
  • 由来種

    Rabbit
  • アプリケーション

    適用あり: WB, EMSAmore details
  • 種交差性

    交差種: Human
    交差が予測される動物種: Rat
  • 免疫原

    Synthetic peptide corresponding to Mouse MafA (C terminal).
    Database link: Q8CF90

  • 特記事項

    The Life Science industry has been in the grips of a reproducibility crisis for a number of years. Abcam is leading the way in addressing this with our range of recombinant monoclonal antibodies and knockout edited cell lines for gold-standard validation. Please check that this product meets your needs before purchasing.

    If you have any questions, special requirements or concerns, please send us an inquiry and/or contact our Support team ahead of purchase. Recommended alternatives for this product can be found below, along with publications, customer reviews and Q&As

製品の特性

  • 製品の状態

    Liquid
  • 保存方法

    Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C. Avoid freeze / thaw cycle.
  • バッファー

    pH: 7
    Preservative: 0.1% Sodium azide
    Constituents: 0.021% PBS, 1.764% Sodium citrate, 1.815% Tris
  • Concentration information loading...
  • 精製度

    Immunogen affinity purified
  • ポリ/モノ

    ポリクローナル
  • アイソタイプ

    IgG
  • 研究分野

    • Signal Transduction
    • Growth Factors/Hormones
    • Insulin / Insulin-like
    • Epigenetics and Nuclear Signaling
    • Transcription
    • Other factors
    • Epigenetics and Nuclear Signaling
    • Transcription
    • Co-factors

関連製品

  • ChIP Related Products

    • Rabbit Anti-Mouse IgG H&L (ab46540)
    • ChIP Kit (ab500)
  • Compatible Secondaries

    • VeriBlot for IP Detection Reagent (HRP) (ab131366)
    • Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077)
    • Goat Anti-Rabbit IgG H&L (HRP) (ab205718)
  • Isotype control

    • Rabbit IgG, polyclonal - Isotype Control (ChIP Grade) (ab171870)

アプリケーション

The Abpromise guarantee

Abpromise保証は、 次のテスト済みアプリケーションにおけるab17976の使用に適用されます

アプリケーションノートには、推奨の開始希釈率がありますが、適切な希釈率につきましてはご検討ください。

アプリケーション Abreviews 特記事項
WB
1/1000 - 1/10000.
EMSA
Use a concentration of 0.05 - 0.25 mg/ml.
特記事項
WB
1/1000 - 1/10000.
EMSA
Use a concentration of 0.05 - 0.25 mg/ml.

ターゲット情報

  • 機能

    Acts as a transcriptional factor. Specifically binds the insulin enhancer element RIPE3b and activates insulin gene expression. Cooperates synergistically with NEUROD1 and PDX1. Phosphorylation by GSK3 increases its transcriptional activity and is required for its oncogenic activity. Involved either as an oncogene or as a tumor suppressor, depending on the cell context.
  • 配列類似性

    Belongs to the bZIP family. Maf subfamily.
    Contains 1 bZIP domain.
  • 翻訳後修飾

    Ubiquitinated, leading to its degradation by the proteasome.
    Ser-14 and Ser-65 appear to be the major phosphorylation sites. Phosphorylated by MAPK13 on serine and threonine residues (Probable). Phosphorylation by GSK3 requires prior phosphorylation of Ser-65 by another kinase. Phosphorylation proceeds then from Ser-61 to Thr-57, Thr-53 and Ser-49. GSK3-mediated phosphorylation increases its transcriptional activity through the recruitment of the coactivator PCAF, is required for its transforming activity and leads to its degradation through an ubiquitin/proteasome-dependent pathway.
  • 細胞内局在

    Nucleus. Detected in nuclei of pancreas islet beta cells.
  • Target information above from: UniProt accession Q8NHW3 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt
  • 参照データベース

    • Entrez Gene: 389692 Human
    • Entrez Gene: 366949 Rat
    • Omim: 610303 Human
    • SwissProt: Q8NHW3 Human
    • Unigene: 521914 Human
    • 別名

      • HMafA antibody
      • Mafa antibody
      • MAFA_HUMAN antibody
      • Pancreatic beta cell specific transcriptional activator antibody
      • Pancreatic beta-cell-specific transcriptional activator antibody
      • RIPE3b1 antibody
      • Transcription factor MafA antibody
      • Transcription factor RIPE3b1 antibody
      • v maf musculoaponeurotic fibrosarcoma oncogene homolog A (avian) antibody
      • v maf musculoaponeurotic fibrosarcoma oncogene homolog A antibody
      • V-maf musculoaponeurotic fibrosarcoma oncogene homolog A antibody
      see all

    画像

    • Western blot - Anti-MafA antibody (ab17976)
      Western blot - Anti-MafA antibody (ab17976)

      Detection of MafA, MafB and cMaf by Western Blot. Samples: Nuclear extract (6 µg) from HeLa cells transfected with MafA, MafB or cMaf expression constructs. Antibodies: Affinity purified anti-MafA antibody, anti-MafB Antibody or anti-c-Maf antibody. Each antibody was used at 0.5 µg/ml. Detection: Chemiluminescence with a 5 second exposure.

    • Electrophoretic Mobility Shift Assay - Anti-MafA antibody (ab17976)
      Electrophoretic Mobility Shift Assay - Anti-MafA antibody (ab17976)

      Electrophoretic Mobility Shift of MafA, MafB and c-Maf. Samples: Nuclear extract (6 ug) from HeLa cells transfected with MafA, MafB or c-Maf expression constructs. Antibodies: Affinity purified anti-MafA antibody BL1069, anti-MafB Antibody or anti-c-Maf antibody.

    プロトコール

    • Western blot protocols

    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 (5)

    ab17976 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。

    ab17976 は 5 報の論文で使用されています。

    • Xu J  et al. MAFB mediates the therapeutic effect of sleeve gastrectomy for obese diabetes mellitus by activation of FXR expression. Braz J Med Biol Res 51:e7312 (2018). PubMed: 29846411
    • Roth Flach RJ  et al. Protein Kinase Mitogen-activated Protein Kinase Kinase Kinase Kinase 4 (MAP4K4) Promotes Obesity-induced Hyperinsulinemia. J Biol Chem 291:16221-30 (2016). IHC-P ; Mouse . PubMed: 27226575
    • Sakano D  et al. VMAT2 identified as a regulator of late-stage ß-cell differentiation. Nat Chem Biol 10:141-8 (2014). PubMed: 24316738
    • Hunter KE  et al. Identification and characterization of poorly differentiated invasive carcinomas in a mouse model of pancreatic neuroendocrine tumorigenesis. PLoS One 8:e64472 (2013). WB, IHC-P ; Mouse . PubMed: 23691228
    • Vargas N  et al. TAT-Mediated Transduction of MafA Protein In Utero Results in Enhanced Pancreatic Insulin Expression and Changes in Islet Morphology. PLoS One 6:e22364 (2011). WB ; Mouse . PubMed: 21857924

    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

    1-10 of 10 Abreviews or Q&A

    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) abreview for Anti-MafA antibody

    Below Average
    Abreviews
    Abreviews
    abreview image
    Application
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)
    Sample
    Mouse Tissue sections (pancreas)
    Antigen retrieval step
    Heat mediated - Buffer/Enzyme Used: Na Citrate pH 6.0
    Permeabilization
    No
    Specification
    pancreas
    Fixative
    10% NBF
    Read More

    DR. David Burk

    Verified customer

    投稿 Nov 26 2018

    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) abreview for Anti-MafA antibody - ChIP Grade

    Excellent
    Abreviews
    Abreviews
    abreview image
    Application
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)
    Sample
    Rat Tissue sections (Pancreas, Islets of Langerhans, beta-cells)
    Antigen retrieval step
    Heat mediated - Buffer/Enzyme Used: Bond Epitope Retrieval Solution 2
    Permeabilization
    No
    Specification
    Pancreas, Islets of Langerhans, beta-cells
    Blocking step
    hydrogen peroxide as blocking agent for 5 minute(s) · Concentration: 3% · Temperature: 25°C
    Fixative
    Formaldehyde
    Read More

    Reggie Williams

    Verified customer

    投稿 Aug 05 2015

    Immunocytochemistry/ Immunofluorescence abreview for Anti-MafA antibody - ChIP Grade

    Excellent
    Abreviews
    Abreviews
    abreview image
    Application
    Immunocytochemistry/ Immunofluorescence
    Blocking step
    BSA as blocking agent for 1 hour(s) and 0 minute(s) · Concentration: 3%
    Sample
    Rat Cell (Insulinoma cell line INS-1)
    Specification
    Insulinoma cell line INS-1
    Permeabilization
    Yes - 0.1% Triton X-100 in PBS
    Fixative
    Paraformaldehyde
    Read More

    Dr. Javier Triñanes

    Verified customer

    投稿 Jan 19 2015

    Western blot abreview for Anti-MafA antibody - ChIP Grade

    Inconclusive
    Abreviews
    Abreviews
    abreview image
    Application
    Western blot
    Loading amount
    30 µg
    Gel Running Conditions
    Reduced Denaturing (12)
    Sample
    Human Cell lysate - whole cell (Human pancreatic Islets and human PANC-1 cell line)
    Specification
    Human pancreatic Islets and human PANC-1 cell line
    Blocking step
    ROCHE Western Blocking Reagent as blocking agent as blocking agent for 1 hour(s) and 0 minute(s) · Concentration: 10% · Temperature: 20°C
    Read More

    DR. Tomas Koblas

    Verified customer

    投稿 Feb 26 2014

    Immunocytochemistry/ Immunofluorescence abreview for Anti-MafA antibody - ChIP Grade

    Inconclusive
    Abreviews
    Abreviews
    Application
    Immunocytochemistry/ Immunofluorescence
    Blocking step
    Serum as blocking agent for 30 minute(s) · Concentration: 5% · Temperature: 20°C
    Sample
    Human Cell (PANC-1 cell line transfected with mRNA coding for)
    Specification
    PANC-1 cell line transfected with mRNA coding for
    Permeabilization
    Yes - 0.05 % Triton X100
    Fixative
    Formaldehyde
    Read More

    DR. Tomas Koblas

    Verified customer

    投稿 Feb 26 2014

    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) abreview for Anti-MafA antibody - ChIP Grade

    Inconclusive
    Abreviews
    Abreviews
    abreview image
    Application
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)
    Sample
    Rat Tissue sections (pancreas)
    Specification
    pancreas
    Fixative
    Formaldehyde
    Antigen retrieval step
    None
    Permeabilization
    No
    Blocking step
    (agent) for 10 minute(s) · Concentration: 3% · Temperature: 25°C
    Read More

    Ms. sarah shen

    Verified customer

    投稿 May 15 2013

    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) abreview for Anti-MafA antibody - ChIP Grade

    Excellent
    Abreviews
    Abreviews
    abreview image
    Application
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)
    Sample
    Mouse Tissue sections (mouse pancreas)
    Specification
    mouse pancreas
    Fixative
    Paraformaldehyde
    Antigen retrieval step
    Heat mediated - Buffer/Enzyme Used: Citrate
    Permeabilization
    No
    Blocking step
    Serum as blocking agent for 30 minute(s) · Concentration: 20% · Temperature: 22°C
    Read More

    Abcam user community

    Verified customer

    投稿 Jul 30 2010

    Question

    Thanks for you good service. I am very interested in the MafA marker or PDX-1 markers that works in mouse/rat pancreas (paraffin sections). Instead of a refund I would be willing to test a new vial (lot number) of the MafA - or test some of your PDX-1 markers. I am very interested in beta cell specific nuclei markers.
    Would you be able to help me on this issue - in return I will procide you with an online officiel abreview based on the results.

    Read More

    Abcam community

    Verified customer

    Asked on May 10 2012

    Answer

    Thank you for your reply and the nice feedback.
    I have checked our stock, and it seems we only have the same lot number available you had previously. I can assure you that you have our Abpromise on every replacement as well if this one would fail as well.
    On the otherside, there is no problem of sending you a PDX-1 marker or a different MafA antibody as a replacement.
    Did both orders fail to work or only one of them? If it is one, which order was it?
    Looking forward to your reply.

    Read More

    Abcam Scientific Support

    Answered on May 10 2012

    Question

    1. What kind of species was used? The ab has been tested in mice (NOD mice and db/db mice) and in rat
    2. What was the antibody incubation time and temperature? Ab incubation time was 1 hr at room temperature.
    3. When did you order the antibody? We have ordered two batches of MafA - as we ended up with a very strong dilution (1:50). The order was given Marts 12, 2012.

    Read More

    Abcam community

    Verified customer

    Asked on May 04 2012

    Answer

    Thank you for taking time to answer my questions.
    Having reviewed the additional protocol details, I believe this product should have given satisfactory results. It appears that you may have received two faulty vials, which is regrettable as this only the second complaint we received since we published this antibody in 2005: this antibody is usually very reliable.
    I apologize for the inconvenience and am pleased to offer you a free of charge replacement, credit note, or refund in compensation for both vials.
    Thank you for your cooperation. I look forward to hearing from you with details of how you would like to proceed.

    Read More

    Abcam Scientific Support

    Answered on May 04 2012

    Question

    We have been testing your MafA antibody (17976) in several testing conditions on paraffin embedded sections: 1:50-1:400, using standard ABC visualizations systems as well as MACH2 or Envision amplification. We get no labelling except when using MACH2 amplication and low dilution MafA ab (1:50) - this staining appears however to be non-specific (see attached image revealing staining of the whole cytosol and not in nuclei only). I would be interested in your opinion on this issue - otherwise I would like to have a refund or try another beta cell specific marker (e.g. one of your PDX-1 abs).
    "We provide expert scientific support for all of our products to enable you to achieve the result you should expect (we have over 40 PhDs in-house to answer your queries). We guarantee that all products will work as described on our datasheets, or we will give you a replacement or refund".

    Read More

    Abcam community

    Verified customer

    Asked on May 01 2012

    Answer

    Thank you for contacting us.
    I am sorry to hear you are experiencing difficulties with one of our products. We take product complaints very seriously, and investigate every product that we feel may not be performing correctly.
    I am attaching our questionnaire so that we can gather further information regarding the samples tested and the protocol used. Once we receive the completed questionnaire, we will look at the protocol and see if there are any suggestions we can make that may improve the results. This information will also allow us to investigate this case internally and initiate additional testing where necessary. If the product was purchased in the last six months and is being used according to our Abpromise, we would be happy to replace or refund the antibody.
    I look forward to receiving your reply.

    Read More

    Abcam Scientific Support

    Answered on May 01 2012

    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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