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Immunogen? Kreuzreaktion mit PARP1 bis 5? |
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ANSWER: |
Vielen Dank für Ihren Anruf. Ich freu mich Ihnen nun bestätigen zu können, dass dieser Antikörper eine Sequenz innerhalb der ersten 50 Aminosäuren von humanem PARP1 erkennt. Ich habe diese ersten 50 Aminosäuren geblastet und konnte keine Übereinstimmung mit PARP2 bis 5 feststellen. Ich hoffe, diese Information ist hilfreich. Bitte zögern Sie nicht sich nochmals zu melden, falls Sie weitere Fragen haben sollten.
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The antibody against full length PARP(ab6079),does it react with PARP in Schizosaccharomyces pombe system??If yes,does it recognize both the full length and the cleaved versions of PARP?? |
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ANSWER: |
Thank you for contacting us. We have not tested this antibody in S. Pombe. We can’t guarantee that it will work. If however S. pombe cells are transfected with PARP DNA and it is expressed then this antibody can detect the protein however with optimization. This antibody reacts with uncleaved form of PARP. It does not recognize the cleaved 89kDa form of PARP. I hope this information is helpful to you. Please do not hesitate to contact us if you need any more advice or information. |
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Ich habe nun noch eine Frage zu einem anderen Antikörper von Ihnen (ab6079). In dem Datasheet ist eine Abbildung zu sehen, wo eine Fraktionierung von Cytoplasmatischen- und Kernproteinen gemacht wurde (Ganz unten). Ist es möglich mir das Protokoll dazu zu schicken? Ich versuche nämlich seit langem so eine Fraktionierung zu machen. Vielen Dank! |
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ANSWER: |
Vielen Dank für Ihre Anfrage. Wenn ich Sie richtig verstehe, meinen Sie die Fraktionierung von HeLa-Zellen, bei der ab6079 in einer Verdünnung von 1:400 eingesetzt wurde (Bild von 2009). Diese Abbildung stammt von einem unserer Kunden, der uns sein Feedback über ein Abreview mitgeteilt hat. Leider haben wir daher keine genaueren Angaben über das verwendete Protokoll, und der Kunde wünscht auch anonym zu bleiben. Die gute Nachricht ist jedoch, dass wir auf unserer Protokollseite einige bewährte Fraktionierungsprotokolle führen, die ich Ihnen im Anhang mitschicke und die Ihnen vielleicht weiterhelfen (http://www.abcam.com/index.html?pageconfig=popular_protocols). Außerdem haben wir einige Fraktionierungskits in unserem Katalog, falls Sie lieber auf die ready-to-use-Variante zurückgreifen möchten (http://www.abcam.com/index.html?c=4573). Hier würde ich Ihnen den Standardkit ab109719 empfehlen: Click here (or use the following: http://www.abcam.com/index.html?datasheet=109719). Ich hoffe, dies hilft Ihnen weiter. Bitte zögern Sie nicht, sich wieder bei uns zu melden, falls Sie weitere Fragen haben. |
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No signal in western blots of positive control and human and mouse samples |
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ANSWER: |
I am sorry this product did not perform as stated on the datasheet and for the inconvenience this has caused. As requested, I have issued a free of charge replacement with the order number **** for ab32138.
To check the status of the order please contact our Customer Service team and reference this number.
Please note that this free of charge replacement vial is also covered by our Abpromise guarantee. Should you still be experiencing difficulties, or if you have any further questions, please do not hesitate to let us know.
I wish you the best of luck with your research. |
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Does this antibody react with the cleaved, uncleaved or both forms of PARP? |
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ANSWER: |
This antibody reacts with uncleaved form of PARP. It does not recognize the cleaved 89kDa form of PARP.
I hope this is helpful. Please contact me again if you have any further questions. |
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Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"
All lanes : Anti-PARP antibody (ab6079) at 1/250 dilution
Lane 1 : 30ug untreated HeLa whole cell lysate
Lane 2 : 30ug HeLa whole cell lysate treated with 1 uM Staurosporine overnight
Secondary
HRP conjugated Goat anti-rabbit
Predicted band size : 122 kDa
Observed band size : 29 kDa (why is the actual band size different from the predicted?)
This image is courtesy of an Abreview submitted by Dr Jerome Lemonnier
ab6079 (1/500) staining PARP in assynchronous HeLa cells (green). Cells were fixed with paraformaldehyde, permeabilised with 0.5% Triton X-100 and counterstained with DAPI in order to highlight the nucleus (red). For further experimental details please see abreview.
Image part of an Abreview submitted by Dr. Kirk McManus, Univ. of Manitoba/Cancer Care MICB, Canada
Ab6079 staining Human temporal cortex. Staining is localized to the nucleus.
Left panel: with primary antibody at 2 ug/ml. Right panel: isotype control.
Sections were stained using an automated system DAKO Autostainer Plus , at room temperature. Sections were rehydrated and antigen retrieved with the Dako 3-in-1 AR buffer citrate pH 6.0 in a DAKO PT Link. Slides were peroxidase blocked in 3% H2O2 in methanol for 10 minutes. They were then blocked with Dako Protein block for 10 minutes (containing casein 0.25% in PBS), then incubated with primary antibody for 20 minutes, and detected with Dako Envision Flex amplification kit for 30 minutes. Colorimetric detection was completed with diaminobenzidine for 5 minutes. Slides were counterstained with Haematoxylin and coverslipped under DePeX. Please note that for manual staining we recommend to optimize the primary antibody concentration and incubation time (overnight incubation), and amplification may be required.
All lanes : Anti-PARP antibody (ab6079) at 1/1000 dilution
Lane 1 : 15ug mouse MEF cell lysate (untreated)
Lane 2 : 15ug mouse MEF cell lysate: cells treated for 1 hour with adriamycin
Lane 3 : 15ug mouse MEF cell lysate: cells treated for 8 hours with adriamycin
Secondary
HRP conjugated donkey anti-rabbit polyclonal antibody
developed using the ECL technique
Performed under reducing conditions.
Predicted band size : 122 kDa
Observed band size : 113 kDa (why is the actual band size different from the predicted?)
Exposure time : 1 minute
This image is courtesy of an Abreview submitted by Zeng Li.
All lanes : Anti-PARP antibody (ab6079) at 1/400 dilution
Lane 1 : Lysate prepared from human HeLa cytosolic extracts
Lane 2 : Lysate prepared from human HeLa nuclear extracts
Lysates/proteins at 50 µg per lane.
Secondary
HRP-conjugated goat polyclonal to rabbit IgG at 1/5000 dilution
developed using the ECL technique
Performed under reducing conditions.
Predicted band size : 122 kDa
Observed band size : 29,112 kDa (why is the actual band size different from the predicted?)
Exposure time : 15 seconds
This image is a courtesy of Anonymous Abreview
ICC/IF image of ab6079 stained HepG2 cells. The cells were 4% formaldehyde fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody ab6079 at 1µg/ml overnight at +4°C. The secondary antibody (green) was DyLight® 488 goat anti- rabbit (ab96899) IgG (H+L) used at a 1/1000 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM.
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