Rabbit Recombinant Monoclonal Caspase-9 antibody. Carrier free. Suitable for IHC-P, IP, WB, ICC/IF, Flow Cyt (Intra) and reacts with Human samples. Cited in 43 publications.
pH: 7.2 - 7.4
Constituents: PBS
IHC-P | IP | WB | ICC/IF | Flow Cyt (Intra) | |
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Human | Tested | Tested | Tested | Tested | Tested |
Species | Dilution info | Notes |
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Species Human | Dilution info - | Notes Perform heat-mediated antigen retrieval before commencing with IHC staining protocol. |
Species | Dilution info | Notes |
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Species Human | Dilution info - | Notes - |
Species | Dilution info | Notes |
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Species Human | Dilution info - | Notes We recommend overnight incubation at 4°C. |
Species | Dilution info | Notes |
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Species Human | Dilution info - | Notes - |
Species | Dilution info | Notes |
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Species Human | Dilution info - | Notes ab199376 - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody. |
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Involved in the activation cascade of caspases responsible for apoptosis execution. Binding of caspase-9 to Apaf-1 leads to activation of the protease which then cleaves and activates effector caspases caspase-3 (CASP3) or caspase-7 (CASP7). Promotes DNA damage-induced apoptosis in a ABL1/c-Abl-dependent manner. Proteolytically cleaves poly(ADP-ribose) polymerase (PARP). Cleaves BIRC6 following inhibition of BIRC6-caspase binding by DIABLO/SMAC (PubMed:36758105, PubMed:36758106). Isoform 2. Lacks activity is an dominant-negative inhibitor of caspase-9.
MCH6, CASP9, Caspase-9, CASP-9, Apoptotic protease Mch-6, Apoptotic protease-activating factor 3, ICE-like apoptotic protease 6, APAF-3, ICE-LAP6
Rabbit Recombinant Monoclonal Caspase-9 antibody. Carrier free. Suitable for IHC-P, IP, WB, ICC/IF, Flow Cyt (Intra) and reacts with Human samples. Cited in 43 publications.
pH: 7.2 - 7.4
Constituents: PBS
This antibody should recognise both the pro-[40kDa] form and p35 cleaved form of Caspase-9.
ab219590 is the carrier-free version of Anti-Caspase-9 antibody [E23] ab32539.
Species reactivity
Mouse, Rat: We have preliminary internal testing data to indicate this antibody may not react with these species.
Please contact us for more information.
Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.
What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:
For more information, read more on recombinant antibodies.
Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.
Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.
Compatibility
This product is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar® is a trademark of Fluidigm Canada Inc.
We have tested this species and application combination and it works. It is covered by our product promise.
We have not tested this specific species and application combination in-house, but expect it will work. It is covered by our product promise.
This species and application combination has not been tested, but we predict it will work based on strong homology. However, this combination is not covered by our product promise.
We do not recommend this combination. It is not covered by our product promise.
We are dedicated to supporting your work with high quality reagents and we are here for you every step of the way should you need us.
In the unlikely event of one of our products not working as expected, you are covered by our product promise.
Full details and terms and conditions can be found here:
Terms & Conditions.
False colour image of Western blot: Anti-Caspase-9 antibody [E23] staining at 1/1000 dilution, shown in green; Mouse anti-CANX [CANX/1543] (Anti-Calnexin antibody [CANX/1543] ab238078) loading control staining at 1/20000 dilution, shown in red. In Western blot, Anti-Caspase-9 antibody [E23] ab32539 was shown to bind specifically to Caspase-9. A band was observed at 45 kDa in wild-type THP-1 cell lysates with no signal observed at this size in CASP9 knockout cell line Human CASP9 knockout THP-1 cell line ab276122 (knockout cell lysate ab284219). To generate this image, wild-type and CASP9 knockout THP-1 cell lysates were analysed. First, samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 3 % milk in TBS-0.1 % Tween® 20 (TBS-T) before incubation with primary antibodies overnight at 4 °C. Blots were washed four times in TBS-T, incubated with secondary antibodies for 1 h at room temperature, washed again four times then imaged. Secondary antibodies used were Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed (Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed (Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed ab216776) at 1/20000 dilution.
All lanes: Western blot - Anti-Caspase-9 antibody [E23] (Anti-Caspase-9 antibody [E23] ab32539) at 1/1000 dilution
Lane 1: Wild-type THP-1 cell lysate at 20 µg
Lane 2: CASP9 knockout THP-1 cell lysate at 20 µg
Lane 2: Western blot - Human CASP9 knockout THP-1 cell line (Human CASP9 knockout THP-1 cell line ab276122)
Lane 3: HeLa cell lysate at 20 µg
Performed under reducing conditions.
Predicted band size: 46 kDa
Observed band size: 45 kDa
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of human skeletal muscle tissue labelling Caspase-9 with purified Anti-Caspase-9 antibody [E23] ab32539 at 1/250. Heat mediated antigen retrieval was performed using Tris/EDTA buffer pH 9. Goat Anti-Rabbit IgG H&L (HRP) ab97051, a HRP-conjugated goat anti-rabbit IgG (H+L) was used as the secondary antibody (1/500). Negative control using PBS instead of primary antibody. Counterstained with hematoxylin.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (Anti-Caspase-9 antibody [E23] ab32539).
Anti-Caspase-9 antibody [E23] ab32539 (purified) at 1/80 immunoprecipitating Caspase-9 in HeLa whole cell lysate.
Lane 1 (input): HeLa whole cell lysate (10µg)
Lane 2 (+): Anti-Caspase-9 antibody [E23] ab32539 + HeLa whole cell lysate.
Lane 3 (-): Rabbit monoclonal IgG (Rabbit IgG, monoclonal [EPR25A] - Isotype Control ab172730) instead of Anti-Caspase-9 antibody [E23] ab32539 in HeLa whole cell lysate.
For western blotting, a HRP-conjugated anti-rabbit IgG, specific to the non-reduced form of IgG was used as the secondary antibody (1/1500).
Blocking buffer and concentration: 5% NFDM/TBST.
Diluting buffer and concentration: 5% NFDM /TBST.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (Anti-Caspase-9 antibody [E23] ab32539).
All lanes: Immunoprecipitation - Anti-Caspase-9 antibody [E23] (Anti-Caspase-9 antibody [E23] ab32539)
Predicted band size: 46 kDa
Observed band size: 46 kDa
Immunocytochemistry/Immunofluorescence analysis of HepG2 cells labelling Caspase-9 with purified Anti-Caspase-9 antibody [E23] ab32539 at 1/500. Cells were fixed with 4% paraformaldehyde and permeabilized with 0.1% Triton X-100. Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077, an Alexa Fluor® 488-conjugated goat anti-rabbit IgG (1/1000) was used as the secondary antibody. DAPI (blue) was used as the nuclear counterstain. Anti-alpha Tubulin antibody [DM1A] - Loading Control ab7291, a mouse anti-tubulin (1/1000) and Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) preadsorbed ab150120, an Alexa Fluor® 594-conjugated goat anti-mouse IgG (1/1000) were also used.
Control 1: primary antibody (1/500) and secondary antibody, Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) preadsorbed ab150120, an Alexa Fluor® 594-conjugated goat anti-mouse IgG (1/1000).
Control 2: Anti-alpha Tubulin antibody [DM1A] - Loading Control ab7291 (1/1000) and secondary antibody, Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077, an Alexa Fluor® 488-conjugated goat anti-rabbit IgG (1/1000).
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (Anti-Caspase-9 antibody [E23] ab32539).
Intracellular Flow Cytometry analysis of K562 cells labelling Caspase-9 with purified Anti-Caspase-9 antibody [E23] ab32539 at 1/250 (red). Cells were fixed with 100% methanol. A FITC-conjugated goat anti-rabbit IgG (1/500) was used as the secondary antibody. Black - Isotype control, rabbit monoclonal IgG. Blue - Unlabelled control, cells without incubation with primary and secondary antibodies.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (Anti-Caspase-9 antibody [E23] ab32539).
Overlay histogram showing K562 cells stained with unpurified Anti-Caspase-9 antibody [E23] ab32539 (red line). The cells were fixed with methanol (5 min) and then permeabilized with 0.1% PBS-Tween for 20 min. The cells were then incubated in 1x PBS / 10% normal goat serum / 0.3M glycine to block non-specific protein-protein interactions followed by the antibody (unpurified Anti-Caspase-9 antibody [E23] ab32539, 1/100 dilution) for 30 min at 22°C. The secondary antibody used was anti-rabbit DyLight® 488 (Goat Anti-Rabbit IgG H&L (DyLight® 488) preadsorbed ab96899) at 1/500 dilution for 30 min at 22°C. Isotype control antibody (black line) was rabbit monoclonal IgG (1μg/1x106 cells) used under the same conditions. Acquisition of >5,000 events was performed. This antibody gave a positive signal in K562 cells fixed with 4% paraformaldehyde (10 min)/permeabilized with 0.1% PBS-Tween used under the same conditions.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (Anti-Caspase-9 antibody [E23] ab32539).
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of human cervical carcinoma tissue labelling Caspase 9 with unpurified Anti-Caspase-9 antibody [E23] ab32539 at a dilution of 1/50.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (Anti-Caspase-9 antibody [E23] ab32539).
Perform heat mediated antigen retrieval before commencing with IHC staining protocol.
Image collected and cropped by CiteAb under a CC-BY license from the publication
Caspase-9 western blot using anti-Caspase-9 antibody [E23] - BSA and Azide free ab219590. Publication image and figure legend from Jiang, S., Zou, Z., et al., 2015, PLoS One, PubMed 26176608.
ab219590 was used in this publication in western blot. This may not be the same as the application(s) guaranteed by Abcam. For a full list of applications guaranteed by Abcam for ab219590 please see the product overview.
mTOR inhibitors combined with glycolysis inhibitor induced apoptosis in lung cancer cells.(a) A549 cells were pretreated with 5 mM 2DG for 1 h, and then cells were treated with 8 μM rapamycin or 5 μM AZD2014 for additional 48 h respectively, cell apoptosis was then examined by using an Annexin V-FITC/PI staining assay kit. (b) A549 cells were pretreated with 5 mM 2DG for 1 h, and then treated with 5 μM AZD2014 for additional 48 h, as well as the cells were untreated and treated with 5 mM 2-DG or 5 μM AZD2014 alone for 48 h before harvesting cellular proteins. (c) A549 cells were pretreated with 5 mM 2DG for 1 h, and then treated with 5 μM AZD2014 for additional 48 h. Meanwhile, the cells were untreated and treated with 5 mM 2DG or 5 μM AZD2014 alone for 48 h before harvesting cellular proteins. All cell lysates were probed for the apoptosis–associated proteins such as BAX, BCL-2, cleaved PARP, cleaved caspase-3 and caspase 9 by Western blot. The similar results were obtained from other two independent experiments, and data shown are the representatives of the three experiments.
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