Abcam, ab110315, Anti-Cleaved PARP1 antibody [4B5BD2]

Size: 100µg
Mouse Recombinant Monoclonal PARP1 antibody. Suitable for Flow Cyt, WB, In-Cell ELISA, ICC/IF and reacts with Human samples. Cited in 14 publications.
Key facts
Host species:Mouse,
Clonality:Monoclonal,
Clone number:4B5BD2,
Isotype:IgG1,
Light chain type:kappa,
Carrier free:No,
Reacts with:Human,
Applications:Flow Cyt, ICC/IF, In-Cell ELISA, WBSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:The exact immunogen used to generate this antibody is proprietary information.,
Specificity:ab110315 reacts with the N-terminal end formed by the cleavage adjacent to Asp214; it thus recognizes the apoptosis-specific 89 kDa catalytic domain fragment, but it does not recognize the full-length PARP1 or the 24 kDa DNA binding domain fragment.

Product details:
This monoclonal antibody to cleaved PARP1 has been knockout validated in Western blot. The expected band for cleaved PARP1 was observed in wild type cells and the band was not seen in knockout cells.
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This antibody clone is manufactured by Abcam. If you require a custom buffer formulation or conjugation for your experiments, please contact orders@abcam.com

Properties and Storage Information:
Form-Liquid, Purification technique-Precipitation Ammonium Sulphate, Purification notes-The antibody was produced in vitro using hybridomas grown in serum-free medium, and then purified by ammonium sulfate precipiation., Storage buffer-pH: 7.5Preservative: 0.02% Sodium azideConstituents: HEPES buffered saline, Shipped at conditions-Blue Ice, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions-+4°C, Storage information-Do Not Freeze

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
Cleaved PARP1 also known as cPARP is a fragment of the PARP1 protein an important DNA repair enzyme. The full PARP1 protein has a molecular weight of approximately 116 kDa but after cleavage during apoptosis the cleaved PARP1 fragments typically have a molecular weight of around 89 kDa and 24 kDa. PARP1 is expressed abundantly in the cell nucleus where it plays important roles in maintaining genomic integrity. The cleavage of PARP1 is a common marker for cell apoptosis pointing towards its breakdown in response to cellular stress.
Biological function summary
The enzymatic function of PARP1 involves the transfer of ADP-ribose units from NAD+ to target proteins a process known as ADP-ribosylation. PARP1 operates as a part of the base excision repair complex essential in DNA repair processes. The cleaved form of PARP1 no longer facilitates DNA repair marking a shift towards apoptosis. When PARP1 is cleaved it indicates caspase activity implying cells are undergoing programmed cell death.
Pathways
Cleaved PARP1 is deeply involved in the apoptosis and DNA damage response pathways. In the apoptosis pathway PARP1 interacts with key proteins like caspase-3 which cleaves PARP during apoptosis. In the DNA damage response PARP1 collaborates with proteins such as XRCC1 facilitating the base excision repair pathway important for fixing single-strand DNA breaks. These pathways highlight the dual role of PARP1 in promoting cell survival through repair and cell death via apoptosis.
Cleaved PARP1 serves as an important marker in cancer and neurodegenerative diseases. In cancer research elevated levels of cleaved PARP1 suggest increased rates of apoptosis in response to anti-cancer therapies linking it to tumor suppression efforts. In neurodegenerative diseases excessive activation and cleavage of PARP1 can result in cell death exacerbating conditions like Alzheimer's disease. Through these contexts cleaved PARP1 connects to other therapeutic targets such as caspase proteins in cancer and to potential PARP inhibitors in neurodegenerative disorders.