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Alexa Fluor® 700 Mouse Anti-Cleaved PARP (Asp 214)
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Alexa Fluor® 700 Mouse Anti-Cleaved PARP (Asp 214)

Flow cytometric analysis of cleaved PARP in camptothecin treated Jurkat cells.  Jurkat cells (Human T-cell leukemia; ATCC TIB-152) were either untreated (shaded) or treated with 4-6 µM camptothecin (Sigma-Aldrich Cat. No. C-9911) (unshaded), fixed and permeabilized with BD Cytofix/Cytoperm™ (Cat. No. 554714) and subsequently stained with the Alexa Fluor® 700 Mouse Anti-Cleaved PARP antibody.  Histograms were derived from gated events based on light scattering characteristics for Jurkat cells.  Flow cytometry was performed on a BD™ LSR II flow cytometry system.

Flow cytometric analysis of cleaved PARP in camptothecin treated Jurkat cells.  Jurkat cells (Human T-cell leukemia; ATCC TIB-152) were either untreated (shaded) or treated with 4-6 µM camptothecin (Sigma-Aldrich Cat. No. C-9911) (unshaded), fixed and permeabilized with BD Cytofix/Cytoperm™ (Cat. No. 554714) and subsequently stained with the Alexa Fluor® 700 Mouse Anti-Cleaved PARP antibody.  Histograms were derived from gated events based on light scattering characteristics for Jurkat cells.  Flow cytometry was performed on a BD™ LSR II flow cytometry system.

Product Details
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BD Pharmingen™
Human (QC Testing)
Mouse IgG1, κ
Human cleaved PARP
Intracellular staining (flow cytometry) (Routinely Tested)
5 µl
AB_1727571
Aqueous buffered solution containing protein stabilizer and ≤0.09% sodium azide.
RUO


Preparation And Storage

Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze. The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. The antibody was conjugated to Alexa Fluor® 700 under optimum conditions, and unreacted Alexa Fluor® 700 was removed.

Recommended Assay Procedures

Flow cytometry:  Camptothecin, an extract of the Chinese tree Camptotheca acuminata, is a potent inhibitor of topoisomerase I, a molecule required for DNA synthesis. Camptothecin has been reported to induce apoptosis in a dose dependent manner in vitro.

Materials

·        Prepare a 1.0 mM stock solution of camptothecin (Sigma-Aldrich; Cat. No. C-9911) in DMSO.

·        Jurkat cell line (ATCC TIB-152), proliferating, at 1 x 10^6 cells/ml.

·        Either BD Cytofix/Cytoperm™ Fixation/Permeablization Kit (Cat. No. 554714) or Cytofix/Cytoperm™ solution (Cat. No. 554722) plus Perm/Wash™ buffer (Cat. No. 554723).

Procedure

        1.        Add camptothecin (4-6 µM final concentration) per 1 x 10^6 proliferating Jurkat cells.  If desired, a control aliquot of untreated cells

                should also be prepared.

        2.        Incubate the cells for 4-6 hours at 37°C.

        3.        Wash the cells (camptothecin-treated and control aliquots) twice with cold PBS; then resuspend them in BD Cytofix/Cytoperm™

                solution at 2 x 10^6 cells/ml.

        4.        Incubate the cells for 20 minutes on ice.

        5.        Pellet the cells, and aspirate and discard the Cytofix/Cytoperm™ solution.

        6.        Wash the cells twice at room temperature with 0.5 ml Perm/Wash™ buffer per 1 x 10^6 cells, and discard the supernatants.

        7.        Resuspend the cells in Perm/Wash™ buffer at 10 x 10^6 /ml.

        8.        Aliquot test samples of 1 x 10^6 cells per 100-µl test.

        9.        Add 5 µl antibody per test, and incubate for 30 minutes at room temperature.

      10.        Wash each test in 1.0 ml Perm/Wash™ Buffer and discard the supernatant.

      11.        Resuspend each test in 0.5 ml Perm/Wash™ Buffer and analyze by flow cytometry.

Product Notices

  1. This reagent has been pre-diluted for use at the recommended Volume per Test. We typically use 1 × 10^6 cells in a 100-µl experimental sample (a test).
  2. An isotype control should be used at the same concentration as the antibody of interest.
  3. Alexa Fluor® 700 has an adsorption maximum of ~700nm and a peak fluorescence emission of ~720nm. Before staining cells with this reagent, please confirm that your flow cytometer is capable of exciting the fluorochrome and discriminating the resulting fluorescence.
  4. Alexa Fluor® is a registered trademark of Molecular Probes, Inc., Eugene, OR.
  5. The Alexa Fluor®, Pacific Blue™, and Cascade Blue® dye antibody conjugates in this product are sold under license from Molecular Probes, Inc. for research use only, excluding use in combination with microarrays, or as analyte specific reagents. The Alexa Fluor® dyes (except for Alexa Fluor® 430), Pacific Blue™ dye, and Cascade Blue® dye are covered by pending and issued patents.
  6. Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
  7. For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
  8. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
560640 Rev. 1
Antibody Details
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F21-852

PARP (Poly [ADP-Ribose] Polymerase) is a 113-kDa nuclear chromatin-associated enzyme that catalyzes the transfer of ADP-ribose units from NAD+ to a variety of nuclear proteins including topoisomerases, histones, and PARP itself.  The catalytic activity of PARP is increased in cells following DNA damage, and PARP is thought to play an important role in mediating the normal cellular response to DNA damage.  Additionally, PARP is a target of the caspase protease activity associated with apoptosis.  The PARP protein consists of an N-terminal DNA-binding domain (DBD) and a C-terminal catalytic domain separated by a central automodification domain.  During apoptosis, Caspase-3 cleaves PARP at a recognition site (Asp Glu Val Asp Gly) in the DBD to form 24- and 89-kDa fragments.  This process separates the DBD (which is mostly in the 24-kDa fragment) from the catalytic domain (in the 89-kDa fragment) of the enzyme, resulting in the loss of normal PARP function.  It has been proposed that inactivation of PARP directs DNA-damaged cells to undergo apoptosis rather than necrotic degradation, and the presence of the 89-kDa PARP cleavage fraction is considered to be a marker of apoptosis.

A peptide corresponding to the N-terminus of the cleavage site (Asp 214) of human PARP was used as the immunogen. The F21-852 monoclonal antibody reacts only with the 89-kDa fragment of human PARP-1 that is downstream of the Caspase-3 cleavage site (Asp214) and contains the automodification and catalytic domains.  It does not react with intact human PARP-1.  Cross-reactivity with other members of the PARP superfamily is unknown.  Recognition of cleaved PARP in mouse cells has been demonstrated, and it may also cross-react with a number of other species due to the conserved nature of the molecule.

560640 Rev. 1
Format Details
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Alexa Fluor™ 700
Alexa Fluor™ 700 dye is part of the BD red family of dyes. This is a small organic fluorochrome with an excitation maximum (Ex Max) at 697 nm and an emission maximum (Em Max) at 719-nm. Alexa Fluor™ 700 is designed to be excited by the Red (627–640-nm) laser and detected using an optical filter centered near 720-nm (e.g., a 720/40-nm bandpass filter). Please ensure that your instrument’s configurations (lasers and optical filters) are appropriate for this dye.
altImg
Alexa Fluor™ 700
Red 627-640 nm
697 nm
719 nm
560640 Rev.1
Citations & References
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Development References (10)

  1. Amé J-C, Spenlehauer C, de Murcia G. The PARP superfamily. Bioessays. 2004; 26:882-893. (Biology).
  2. Boulares AH, Yakovlev AG, Ivanova V, et al. Role of Poly(ADP-ribose) polymerase (PARP) cleavage in apoptosis. Caspase 3-resistant PARP mutant increases rates of apoptosis in transfected cells. J Biol Chem. 1999; 274(33):22932-22940. (Biology).
  3. Cherney BW, McBride OW, Chen D, et al. cDNA sequence, protein structure, and chromosomal location of the human gene for poly(ADP-ribose) polymerase. Proc Natl Acad Sci U S A. 1987; 84(23):8370-8374. (Biology). View Reference
  4. D'Amours D, Desnoyers S, D'Silva I, Poirier GG. Poly(ADP-ribosyl)ation reactions in the regulation of nucelar functions. Biochem J. 1999; 342:249-268. (Biology).
  5. Kaufmann SH, Desnoyers S, Ottaviano Y, Davidson NE, Poirier GG. Specific proteolytic cleavage of poly(ADP-ribose) polymerase: an early marker of chemotherapy-induced apoptosis. Cancer Res. 1993; 53(17):3976-3985. (Biology). View Reference
  6. Lamarre D, Talbot B, Leduc Y, Muller S, Poirier G. Production and characterization of monoclonal antibodies specific for the functional domains of poly(ADP-ribose) polymerase. Biochem Cell Biol. 1986; 64(4):368-376. (Biology). View Reference
  7. Lamarre D, Talbot B, de Murcia G, et al. Structural and functional analysis of poly(ADP ribose) polymerase: an immunological study. Biochim Biophys Acta. 1988; 950(2):147-160. (Biology). View Reference
  8. Patel T, Gores GJ, Kaufmann SH. The role of proteases during apoptosis. FASEB J. 1996; 10(5):587-597. (Biology). View Reference
  9. Soldani G, Scovassi AI. Poly(ADP-ribose) polymerase-1 cleavage during apoptosis: an update. Apoptosis. 2002; 7:321-328. (Biology).
  10. Tewari M, Quan LT, O'Rourke K, et al. Yama/CPP32 beta, a mammalian homolog of CED-3, is a CrmA-inhibitable protease that cleaves the death substrate poly(ADP-ribose) polymerase. Cell. 1995; 81(5):801-809. (Biology). View Reference
View All (10) View Less
560640 Rev. 1

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For Research Use Only. Not for use in diagnostic or therapeutic procedures.