Topoisomerase I Antibody (6D8) - BSA Free

Immunoprecipitation: Topoisomerase I Antibody (6D8) [NBP3-26278] - Immunoprecipitating Topoisomerase I in K562 whole cell lysate. Lane 1: Rabbit control IgG instead of NBP3-26278 in K562 whole cell lysate. For western blotting, a HRP-conjugated Protein G antibody was used as the secondary antibody (1/2000). Lane 2: NBP3-26278 (2ug) + K562 whole cell lysate (500ug). Lane 3: K562 whole cell lysate (10ug).

Immunohistochemistry: Topoisomerase I Antibody (6D8) [NBP3-26278] - Image of Topoisomerase I Antibody (6D8) diluted at 1:100 and staining in paraffin-embedded human small intestine tissue performed. 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 4C overnight. The primary is detected by a Goat anti-rabbit IgG polymer labeled by HRP and visualized using 0.05% DAB.

Immunohistochemistry: Topoisomerase I Antibody (6D8) [NBP3-26278] - Image of Topoisomerase I Antibody (6D8) diluted at 1:100 and staining in paraffin-embedded human small intestine tissue performed. 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 4C overnight. The primary is detected by a Goat anti-rabbit IgG polymer labeled by HRP and visualized using 0.05% DAB.

Western Blot: Topoisomerase I Antibody (6D8) [NBP3-26278] - Positive Western Blot detected in: Hela whole cell lysate, MCF-7 whole cell lysate, K562 whole cell lysate, HL60 whole cell lysate, PC-3 whole cell lysate. All lanes: Topoisomerase I Antibody at 1: 2000 Secondary: Goat polyclonal to rabbit IgG at 1/50000 dilution. Predicted band size: 91 kDa Observed band size: 91 kDa

Flow Cytometry: Topoisomerase I Antibody (6D8) [NBP3-26278] - Overlay histogram showing HepG2 cells stained with Topoisomerase I Antibody (6D8) (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 followed by the antibody (1ug/1*10^6 cells) for 1 h at 4C. The secondary antibody used was FITC-conjugated goat anti-rabbit IgG (H+L) at 1/200 dilution for 30min at 4C. Control antibody (green line) was Rabbit IgG (1ug/1*10^6 cells) used under the same conditions. Acquisition of >10,000 events was performed.

• Reactivity: Hu
• Applications: WB, ELISA, Flow, IHC, IP
• Clone: 6D8
• Clonality: Monoclonal
• Host: Rabbit
• Conjugate: Unconjugated
• Format: BSA Free

Topoisomerase I Antibody (6D8) - BSA Free Summary

• Description: Novus Biologicals Rabbit Topoisomerase I Antibody (6D8) - BSA Free (NBP3-26278) is a recombinant monoclonal antibody validated for use in IHC, WB, ELISA, Flow and IP. All Novus Biologicals antibodies are covered by our 100% guarantee.
• Additional Information: Recombinant monoclonal antibody expressed in HEK293F cells
• Immunogen: A synthesized peptide derived from Human Topoisomerase I [UniProt P11387]
• Source: HEK293
• Isotype: IgG
• Clonality: Monoclonal
• Host: Rabbit
• Gene: TOP1
• Purity: Affinity purified

Applications/Dilutions

• Dilutions:
  • ELISA
  • Flow Cytometry 1:20-1:200
  • Immunohistochemistry 1:50-1:200
  • Immunoprecipitation 1:200-1:1000
  • Western Blot 1:500-1:5000

Packaging, Storage & Formulations

• Storage: Store at -20 to -70C. Avoid freeze-thaw cycles.
• Buffer: PBS, pH 7.4, 150mM NaCl, and 50% glycerol
• Preservative: 0.02% Sodium Azide
• Purity: Affinity purified

Alternate Names for Topoisomerase I Antibody (6D8) - BSA Free

• DNA topoisomerase 1
• DNA topoisomerase I
• EC 5.6.2.1
• EC 5.99.1.2
• TOP1
• TOPI
• topoisomerase (DNA) I
• Topoisomerase I
• type I DNA topoisomerase

Background

Topoisomerases are nuclear enzymes involved in a variety of cellular activities such as chromosome condensation, DNA replication, transcription, recombination and segregation at mitosis. Human topoisomerase I is a 100kD protein capable of relaxing positively and negatively supercoiled DNA by performing a transient single stranded nick which is then religated at the end of the reaction. It has been shown that the enzyme is located in regions of the genome that are undergoing active RNA synthesis, where it probably reduces superhelical stresses in the DNA, enabling RNA polymerase to function properly. Both DNA topoisomerases I and II have been found to be targets of autoantibodies in the sera of patients with certain autoimmune diseases such as systemic lupus erythematosus and also of some anti tumor drugs and antibiotics. Elevated levels of DNA topoisomerase I, detected by transfer assays, have been demonstrated in colorectal tumors compared with normal colon mucosa as a result of increased transcription or mRNA stability.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

Bioinformatics

• Gene Symbol: TOP1