PARP1 Recombinant Monoclonal Antibody

Code CSB-RA581794A0HU
Size US$210
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  • Western Blot
    Positive WB detected in: K562 whole cell lysate
    All lanes: PARP antibody at 1:2000
    Goat polyclonal to rabbit IgG at 1/50000 dilution
    Predicted band size: 114 KDa
    Observed band size: 114 kDa
  • IHC image of CSB-RA581794A0HU diluted at 1:100 and staining in paraffin-embedded human breast cancer performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a Goat anti-rabbit IgG polymer labeled by HRP and visualized using 0.05% DAB.
  • IHC image of CSB-RA581794A0HU diluted at 1:100 and staining in paraffin-embedded human brain tissue performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a Goat anti-rabbit IgG polymer labeled by HRP and visualized using 0.05% DAB.
  • Immunofluorescence staining of Hela Cells with CSB-RA581794A0HU at 1:50, counter-stained with DAPI. The cells were fixed in 4% formaldehyde, permeated by 0.2% TritonX-100, and blocked in 10% normal Goat Serum. The cells were then incubated with the antibody overnight at 4°C. Nuclear DNA was labeled in blue with DAPI. The secondary antibody was FITC-conjugated AffiniPure Goat Anti-Rabbit IgG (H+L).
  • Overlay histogram showing Jurkat cells stained with CSB-RA581794A0HU (red line) at 1:50. The cells were fixed with 70% Ethylalcohol (18h) and then incubated in 10% normal goat serum to block non-specific protein-protein interactions followedby the antibody (1µg/1*106cells) for 1 h at 4°C.The secondary antibody used was FITC-conjugated goat anti-rabbit IgG (H+L) at 1/200 dilution for 30min at 4°C. Control antibody (green line) was Rabbit IgG (1µg/1*106cells) used under the same conditions. Acquisition of >10,000 events was performed.
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Product Details

Uniprot No.
Target Names
Alternative Names
Poly [ADP-ribose] polymerase 1 (PARP-1) (EC (ADP-ribosyltransferase diphtheria toxin-like 1) (ARTD1) (NAD(+) ADP-ribosyltransferase 1) (ADPRT 1) (Poly[ADP-ribose] synthase 1), PARP1, ADPRT PPOL
Species Reactivity
A synthesized peptide derived from human PARP
Immunogen Species
Homo sapiens (Human)
Rabbit IgG
Clone No.
Purification Method
It differs from different batches. Please contact us to confirm it.
Rabbit IgG in phosphate buffered saline, pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.
Tested Applications
Recommended Dilution
Application Recommended Dilution
WB 1:500-1:5000
IHC 1:50-1:200
IF 1:20-1:200
FC 1:20-1:200
Troubleshooting and FAQs
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

CUSABIO employed an immunization strategy by inoculating a rabbit with a human PARP1-derived peptide to stimulate an immune response. Splenocytes were subsequently obtained from the immunized rabbit, and RNA was extracted from these cells. Through reverse transcription, the extracted RNA was converted into complementary DNA (cDNA). The PARP1 antibody gene was then extended using degenerate primers. PCR amplification facilitated the generation of PARP1 antibody gene fragments. After purification, the fragments were cloned into an expression vector and transfected into a host system for efficient antibody production. The resulting PARP1 recombinant monoclonal antibodies were purified from the cell culture supernatant using affinity chromatography. Multiple applications including ELISA, WB, IHC, IF, and FC were conducted to validate the binding specificity and affinity of the PARP1 recombinant monoclonal antibody. Remarkably, this antibody exhibits specific recognition of the human PARP1 protein, showcasing its potential for targeted research and therapeutic applications.

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Applications : Western Blot (WB)

Sample type: Human cancer cell line

Sample dilution: 1:1000

Review: clean specific band on western blot, low background and very easy to use

By Anonymous

Target Background

Poly-ADP-ribosyltransferase that mediates poly-ADP-ribosylation of proteins and plays a key role in DNA repair. Mediates glutamate, aspartate, serine or tyrosine ADP-ribosylation of proteins: the ADP-D-ribosyl group of NAD(+) is transferred to the acceptor carboxyl group of target residues and further ADP-ribosyl groups are transferred to the 2'-position of the terminal adenosine moiety, building up a polymer with an average chain length of 20-30 units. Serine ADP-ribosylation of proteins constitutes the primary form of ADP-ribosylation of proteins in response to DNA damage. Mainly mediates glutamate and aspartate ADP-ribosylation of target proteins in absence of HPF1. Following interaction with HPF1, catalyzes serine ADP-ribosylation of target proteins; HPF1 conferring serine specificity by completing the PARP1 active site. Also catalyzes tyrosine ADP-ribosylation of target proteins following interaction with HPF1. PARP1 initiates the repair of DNA breaks: recognizes and binds DNA breaks within chromatin and recruits HPF1, licensing serine ADP-ribosylation of target proteins, such as histones, thereby promoting decompaction of chromatin and the recruitment of repair factors leading to the reparation of DNA strand breaks. In addition to base excision repair (BER) pathway, also involved in double-strand breaks (DSBs) repair: together with TIMELESS, accumulates at DNA damage sites and promotes homologous recombination repair by mediating poly-ADP-ribosylation. Mediates the poly(ADP-ribosyl)ation of a number of proteins, including itself, APLF and CHFR. In addition to proteins, also able to ADP-ribosylate DNA: catalyzes ADP-ribosylation of DNA strand break termini containing terminal phosphates and a 2'-OH group in single- and double-stranded DNA, respectively. Required for PARP9 and DTX3L recruitment to DNA damage sites. PARP1-dependent PARP9-DTX3L-mediated ubiquitination promotes the rapid and specific recruitment of 53BP1/TP53BP1, UIMC1/RAP80, and BRCA1 to DNA damage sites. Acts as a regulator of transcription: positively regulates the transcription of MTUS1 and negatively regulates the transcription of MTUS2/TIP150. Plays a role in the positive regulation of IFNG transcription in T-helper 1 cells as part of an IFNG promoter-binding complex with TXK and EEF1A1. Involved in the synthesis of ATP in the nucleus, together with NMNAT1, PARG and NUDT5. Nuclear ATP generation is required for extensive chromatin remodeling events that are energy-consuming.
Gene References into Functions
  1. elevated expression of PARP-1 mRNA and miR-223, with a reduction of PARP-1 protein level and enzyme activity in colonic tissue of pediatric patients with Crohn's disease PMID: 30299179
  2. miR-7-5p reduced energy consumption via inhibiting PARP-1 expression, and miR-7-5p increased energy generation by suppressing the expression of Bcl-2. PMID: 30219819
  3. Study finds that PARP1 mutations caused a distinct set of drug sensitivities when compared to other known forms of PARPi resistance (loss of REV7 (MAD2L2) or TP53BP1, or BRCA1 reversion mutants), suggesting that knowledge of the molecular mechanism of resistance in individual patients could inform decisions on further treatment. PMID: 29748565
  4. Results suggest that RNF168 acts as a counterpart of PARP1 in DDR and regulates the HR/NHEJ repair processes through the ubiquitination of PARP1. PMID: 30037213
  5. two-step mechanism activates and then stabilizes PARP-1 on a DNA break, indicating that PARP-1 allostery influences persistence on DNA damage, with important implications for PARP inhibitors that engage the NAD(+) binding site PMID: 29487285
  6. PARP-1, via manipulating the binding of NF-kB/AP-1 at the MMP-9 promoter, regulates MMP-9 expression, which helps maintain mitochondrial homeostasis. PMID: 28478229
  7. Cell proliferation determines PARP1 transcription and production of electrophiles. PARP1 contributes to cell protection against electrophiles. PARP1 controls transcription of redox-sensitive kinases, antioxidants and detoxifying enzymes. [review] PMID: 29886395
  8. interactive domains between Ets-1 and PARP-1 have been mapped to the C-terminal region of Ets-1 and the BRCA1 carboxy-terminal (BRCT) domain of PARP-1 PMID: 29912634
  9. depletion of NOX1 and NOX4 partially rescued the growth inhibition of PARP1-deficient tumor xenografts. Our findings suggest that in addition to compromising the repair of DNA damage, PARP inhibition or depletion may exert extra antitumor effect by elevating oxidative stress in ovarian cancer cells PMID: 29684820
  10. CDK4/6 inhibitors also lead to accumulation of DNA damage by repressing PARP1 in oxidatively stressed cells. Thus, CDK4/6 inhibitors sensitize G1-arrested cells to anticancer drugs, since these cells require PARP1-OGG1 functional interaction for cell survival PMID: 29306194
  11. Low PARP expression is associated with mouth Cancer. PMID: 30275188
  12. The dysfunction of PARP1 in esophageal epithelial cells increases the levels of ROS and oxidative DNA damage in Barrett's esophagus. PMID: 29531462
  13. results suggest that PARP-1 overexpression may define an important risk factor in non-M3 AML patients and PARP-1 is a potential therapeutic target for AML treatment PMID: 29812960
  14. polymorphism of PARP-1 gene is more likely responsible for development of GD in Chinese individuals PMID: 28177666
  15. In response to DNA damage, activated and auto-poly-ADP-ribosylated PARP1 dissociates from HSF1-PARP13, and redistributes to DNA lesions and DNA damage-inducible gene loci. PMID: 29158484
  16. Results show that Rpp29 and Rpp21 bind poly ADP-ribose moieties and are recruited to DNA damage sites in a PARP1-dependent manner. PMID: 28432356
  17. PARP1 inhibitor also suppressed the aldosterone secretion in response to the angiotensin II. Together, these results suggest PARP1 is a prime coregulator for Nurr1. PMID: 29738496
  18. Here, we show that PARP1 and host insulator protein CTCF colocalize at specific sites throughout the EBV genome and provide evidence to suggest that PARP1 acts to stabilize CTCF binding and maintain the open chromatin landscape at the active Cp promoter during type III latency. Further, PARP1 activity is important in maintaining latency type-specific viral gene expression. PMID: 29976663
  19. Our findings showed that PARP-1 polymorphisms are involved in the development of glioma in Chinese individuals. PMID: 28777431
  20. Our results indicated that PARP1-siRNA can suppress the growth and invasion capacity of prostate cancer cells, thereby suggesting that PARP1-siRNA, which is different from PARP inhibitors , may provide a potential treatment method for prostate cancer . PMID: 29393407
  21. findings reveal PARP-1 as a double-edged sword in colorectal carcinogenesis, which suppresses tumor initiation following DNA alkylation in a MGMT-dependent manner, but promotes inflammation-driven tumor progression. PMID: 29632181
  22. data indicate that RNF20 and PARP1 are synthetic lethal interactors PMID: 28462496
  23. High PARP1 expression is associated with colonic neoplasms. PMID: 29590171
  24. On DNA damage, CIRBP temporarily accumulates at the damaged regions and is poly(ADP ribosyl)ated by poly(ADP ribose) polymerase-1 (PARP-1). PMID: 29432179
  25. The study suggests that PARP-1 polymorphisms are involved in the development of SCI in Chinese individuals. Thus, PARP-1 polymorphisms can be considered as one of the potential risk factors for developing SCI. PMID: 29255350
  26. this study identifies the importance of TDP1 as a novel determinant of response to CNDAC across various cancer types (especially non-small cell lung cancers), and demonstrates the differential involvement of BRCA2, PARP1, and TDP1 in the cellular responses to CNDAC, AraC, and CPT PMID: 28802254
  27. Variations in potential miRNA-binding target sites in the 3' UTR of PARP1 gene may modulate colorectal cancer risk and prognosis after therapy. PMID: 29048575
  28. Three-locus model of gene-gene interactions OGG1 (rs1052133) * ADPRT (rs1136410) * XRCC4 (rs6869366) was associated with high genotoxic risk in coal miners. PMID: 28992182
  29. Observations suggest that IER5 is a novel regulator of the non-homologous end-joining pathway pathway for DNA double-strand breaks repair, possibly through its interaction with PARP1 and Ku70. PMID: 29104487
  30. This study identified the involvement of two SNPs of PARP-1 (C410T and G1672A) in development of acute renal injury among Chinese diabetic patients. PMID: 29238179
  31. Studies indicate that post-translational modifications (PTMs) such as phosphorylation, acetylation, and methylation are crucial for the regulation of PARP1 activity, and dysregulation of modifications on PARP1 is observed in cancer [Review]. PMID: 28930534
  32. Poly(ADP-ribose) polymerase-1 (PARP1) interacts with xeroderma pigmentosum, complementation group C protein (XPC) in the nucleoplasmic and chromatin fractions in UV irradiated HEK293 cells. PMID: 28760956
  33. The phosphorylation level of p38 was upregulated by MA1 treatment, and the inhibitor of p38, SB203580, attenuated the MA1-induced p38 phosphorylation as well as caspase3 and PARP activation. These results indicate that MA1 treatment alters invasive and oncogenic phenotypes of human colorectal cancer cells through the stimulation of the p38 signaling pathway PMID: 28713983
  34. this study demonstrates that PARP inhibition protects mitochondria and reduces ROS production via PARP-1-ATF4-MKP-1-MAPK retrograde pathway PMID: 28457938
  35. Arsenite-loaded nanoparticles inhibit PARP-1 to overcome multidrug resistance in hepatocellular carcinoma cells. PMID: 27484730
  36. NR1D1 interacted with poly(ADP-ribose) polymerase 1 (PARP1) and subsequently inhibited catalytic activity of PARP1. PMID: 28599788
  37. IGH/MYC-positive Burkitt lymphoma/leukemia cells have decreased BRCA2 and are sensitive to PARP1 inhibition alone or in combination with other chemotherapies. This study postulates that IGH/MYC-induced BRCA2 deficiency may predispose Burkitt lymphoma cells to synthetic lethality triggered by PARP1 inhibitors. PMID: 28634224
  38. Our study demonstrates a cross-talk between PARPi and tumor-associated immunosuppression and provides evidence to support the combination of PARPi and PD-L1 or PD-1 immune checkpoint blockade as a potential therapeutic approach to treat breast cancer PMID: 28167507
  39. PARP1 expression was increased in GBM at both mRNA and protein levels. increased PARP1 levels show positive correlation with increasing tumour grades in gliomas Higher PARP1 mRNA expression levels were associated with ATRX and TP53 mutations. PMID: 28654422
  40. Existence of a kinase-independent role of nuclear RIPK1 in the regulation of PARP1. PMID: 28993228
  41. The observed incomplete sister chromatid disjunction may be due to the accumulation of unreplicated DNA during mitosis in CDA-deficient cells, as reflected in the changes in centromeric DNA structure associated with the decrease in basal PARP-1 activity. PMID: 28463527
  42. Studied role of PARP1 regulation and senescence by melatonin. PMID: 28247536
  43. Report a requirement for PARP2 in stabilizing replication forks that encounter base excision repair (BER) intermediates through Fbh1-dependent regulation of Rad51. Whereas PARP2 is dispensable for tolerance of cells to single stranded breaks or homologous recombination dysfunction, it is redundant with PARP1 in BER. PMID: 29467415
  44. Potential high binding affinity compounds that are predicted by molecular simulations were then tested by in vitro methods. Computationally proposed compounds as PARP-1 inhibitors were confirmed by in vitro studies. In vitro results showed that compounds 7111620047 and 7119980926 have IC50 values of 0.56 and 63 muM against PARP-1 target, respectively PMID: 27315035
  45. The impairment of PARP-dependent DNA damage response (DDR) signaling due to mutations in the FUS nuclear localization sequence induces additional cytoplasmic FUS mislocalization which in turn results in neurodegeneration and FUS aggregate formation in amyotrophic lateral sclerosis. PMID: 29362359
  46. Septin4 is a novel essential factor involved in oxidative stress induced vascular endothelial cell injury by interacting with apoptosis-related protein PARP1. PMID: 29366480
  47. Data show that the mRNA level of poly(ADP-ribose) polymerase (PARP)-1 was significantly regulated by miR-216b. PMID: 28281524
  48. The Gene expression levels of PARP1 was robustly elevated in oligodendrocytes laser captured from BA10 and amygdala white matter of Major Depressive Disorder. PMID: 28034960
  49. PARP-1 activates prothrombin gene transcription and that the excessive prothrombin gene transcription induces des-gamma-carboxy prothrombin (DCP) production in DCP-producing hepatocellular carcinoma cells. PMID: 28384634
  50. Sodium arsenite induces S-nitrosation on PARP-1 zinc finger DNA binding domain by generating NO through iNOS activation, leading to zinc loss and inhibition of PARP-1 activity, thereby increasing retention of damaged DNA. PMID: 27741521

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Subcellular Location
Nucleus. Nucleus, nucleolus. Chromosome.
Database Links

HGNC: 270

OMIM: 173870

KEGG: hsa:142

STRING: 9606.ENSP00000355759

UniGene: Hs.177766

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