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TOP2A / Topoisomerase II Alpha

topoisomerase (DNA) II alpha 170kDa

TOP2A / Topoisomerase II Alpha is a DNA topoisomerase, an enzyme that controls and alters the topologic states of DNA during transcription. This nuclear enzyme is involved in processes such as chromosome condensation, chromatid separation, and the relief of torsional stress that occurs during DNA transcription and replication. It catalyzes the transient breaking and rejoining of two strands of duplex DNA which allows the strands to pass through one another, thus altering the topology of DNA. Two forms of this enzyme exist as likely products of a gene duplication event. The gene encoding this form, alpha, is localized to chromosome 17 and the beta gene is localized to chromosome 3. The gene encoding this enzyme functions as the target for several anticancer agents and a variety of mutations in this gene have been associated with the development of drug resistance. Reduced activity of this enzyme may also play a role in ataxia-telangiectasia.

Gene Name: topoisomerase (DNA) II alpha 170kDa
Family/Subfamily: Topoisomerase
Synonyms: TOP2A, DNA topoisomerase II, 170 kD, TOP2, DNA gyrase, DNA topoisomerase 2-alpha, TP2A, Topoisomerase IIa
Target Sequences: NM_001067 NP_001058.2 P11388

Publications (2)

1
Modulation of key regulators of mitosis linked to chromosomal instability is an early event in ochratoxin A carcinogenicity. Adler M, Mller K, Rached E, Dekant W, Mally A. Carcinogenesis. 2009 30:711-9. (IHC) [PubMed:19237604]
2
3,6-Disubstituted 1,2,4-Triazolo[3,4-b]Thiadiazoles with Anticancer Activity Targeting Topoisomerase II Alpha. Sofia Sagredou, Panagiotis Dalezis, Nikolaos Nikoleousakos, Michail Nikolaou, Maria Voura, Konstantinos Almpanakis, Mihalis I Panayiotidis, Vasiliki Sarli, Dimitrios T Trafalis. OncoTargets and therapy. 2020 August;13:7369-7386. [Full Text Article] [PubMed:32801761] [PMC:PMC7395825]

☰ Filters
Antibodies (131)
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TOP2A / Topoisomerase II Alpha (144)
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TOP2A / Topoisomerase II Alpha Antibody - Anti-TOP2A antibody IHC of human testis. Immunohistochemistry of formalin-fixed, paraffin-embedded tissue after heat-induced antigen retrieval. Antibody dilution 1:100.
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TOP2A / Topoisomerase II Alpha Rabbit anti-Human Polyclonal (aa1-50) Antibody
Human
IF, IHC, IHC-P, Peptide-ELISA, WB
Unconjugated
50 µl/$460
TOP2A / Topoisomerase II Alpha ELISA Kit
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Sandwich
96-Well Strip Plate
Human
0.312 - 20 ng/ml
Colorimetric - 450nm (TMB)
Plasma, Serum
1 Plate/$783
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TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal (C-Terminus) Antibody
Human
Flo, ICC, IHC, IHC-P, IP, WB
Unconjugated
100 µg/$832
TOP2A / Topoisomerase II Alpha Antibody - Human Testis: Formalin-Fixed, Paraffin-Embedded (FFPE)
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TOP2A / Topoisomerase II Alpha Rabbit anti-Human Polyclonal (N-Terminus) Antibody
Human
ICC, IF, IHC, IHC-P, IP, WB
Unconjugated
50 µl/$460
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TOP2A / Topoisomerase II Alpha Rabbit anti-Human Polyclonal (1050-1130 aa) Antibody
Human
ELISA, IHC, WB
Unconjugated
50 µg/$295; 100 µg/$335; 200 µg/$394
TOP2A / Topoisomerase II Alpha Antibody - Human Testis: Formalin-Fixed, Paraffin-Embedded (FFPE)
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TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal (aa1100-1531) (1D2) Antibody
Human
IHC, IHC-P, WB
Unconjugated
100 µl/$485
TOP2A / Topoisomerase II Alpha Antibody - Immunohistochemical staining of paraffin-embedded human colon cancer using anti-TOP2A clone UMAB145 mouse monoclonal antibody at 1:333 with Polink2 Broad HRP DAB detection kit  heat-induced epitope retrieval with Accel buffer. (B22C, pH8.5)
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TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal (aa1100-1531) (UMAB145) Antibody
Human
IF, IHC, WB
Unconjugated
100 µl/$493
TOP2A / Topoisomerase II Alpha Antibody - Immunohistochemical staining of paraffin-embedded human colon cancer using anti-TOP2A clone UMAB145 mouse monoclonal antibody at 1:333 with Polink2 Broad HRP DAB detection kit  heat-induced epitope retrieval with Accel buffer. (B22C, pH8.5)
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TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal (aa1100-1531) (Carrier-free) (UMAB145) Antibody
Human
IF, IHC, WB
Unconjugated, Carrier-free
100 µg/$539
TOP2A / Topoisomerase II Alpha Antibody - IHC of paraffin-embedded Human Ovary tissue using anti-TOP2A mouse monoclonal antibody. (Heat-induced epitope retrieval by 10mM citric buffer, pH6.0, 120°C for 3min).
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TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal (aa1100-1531) (OTI5E6) Antibody
Human
IHC, IHC-P, WB
Unconjugated
100 µl/$434
TOP2A / Topoisomerase II Alpha Antibody - Immunohistochemistry analysis of paraffin-embedded human brain tissue, using TOP2A Antibody. The picture on the right is blocked with the synthesized peptide.
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TOP2A / Topoisomerase II Alpha Rabbit anti-Human Polyclonal (aa1482-1531) Antibody
Mouse, Rat, Human
IHC, IHC-P, Peptide-ELISA, WB
Unconjugated
50 µl/$334; 100 µl/$397
TOP2A / Topoisomerase II Alpha Antibody - Immunohistochemistry analysis of paraffin-embedded human breast carcinoma, using TOP2A (Phospho-Ser1106) Antibody. The picture on the right is blocked with the phospho peptide.
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TOP2A / Topoisomerase II Alpha Rabbit anti-Human Polyclonal (pSer1106) Antibody
Human
IHC, IHC-P, Peptide-ELISA, WB
Unconjugated
50 µl/$334; 100 µl/$397
TOP2A / Topoisomerase II Alpha Antibody - Human Testis: Formalin-Fixed, Paraffin-Embedded (FFPE)
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Cancer Pathology
Cancer
TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal Antibody
Human
IHC, IHC-P, WB
Unconjugated
100 µl/$460
TOP2A / Topoisomerase II Alpha Antibody
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TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal (1C5) Antibody
Human
Flo, ICC, IHC, IHC-P, IP, WB
Unconjugated
100 µg/$423
TOP2A / Topoisomerase II Alpha Antibody - Immunoperoxidase of monoclonal antibody to TOP2A on formalin-fixed paraffin-embedded human testis (antibody concentration 3 ug/ml).
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TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal (1E2) Antibody
Human
ELISA, IF, IHC, WB
Unconjugated
100 µg/$423
TOP2A / Topoisomerase II Alpha Antibody
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TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal (TPM2A-2) Antibody
Human
Flo, IF, IHC, IHC-P, WB
Unconjugated
20 µg/$371; 100 µg/$574
TOP2A / Topoisomerase II Alpha Antibody -  This image was taken for the unmodified form of this product. Other forms have not been tested.
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TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal (Azide-free, BSA-free) (TPM2A-2) Antibody
Human
Flo, IF, IHC, IHC-P, WB
Unconjugated, Azide-free, BSA-free
100 µg/$574
TOP2A / Topoisomerase II Alpha Antibody
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TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal (TPM2A-1) Antibody
Human
Flo, IF, IHC, IHC-P, WB
Unconjugated
20 µg/$371; 100 µg/$574
TOP2A / Topoisomerase II Alpha Antibody -  This image was taken for the unmodified form of this product. Other forms have not been tested.
Select
TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal (Azide-free, BSA-free) (TPM2A-1) Antibody
Human
Flo, IF, IHC, IHC-P, WB
Unconjugated, Azide-free, BSA-free
100 µg/$574
TOP2A / Topoisomerase II Alpha Antibody - Peptide - + Immunohistochemistry analysis of paraffin-embedded human liver carcinoma tissue using TOP2A antibody.
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TOP2A / Topoisomerase II Alpha Rabbit anti-Human Polyclonal Antibody
Human
ELISA, IF, IHC, WB
Unconjugated
100 µg/$357
TOP2A / Topoisomerase II Alpha Antibody - 1:100 staining human lymph node tissue by IHC-P. The tissue was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The tissue was then blocked and incubated with the antibody for 1.5 hours at 22°C. An HRP conjugated goat anti-rabbit antibody was used as the secondary.
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TOP2A / Topoisomerase II Alpha Rabbit anti-Human Polyclonal Antibody
Mouse, Human
IF, IHC, Peptide-ELISA, WB
Unconjugated
100 µl/$379; 200 µl/$421
TOP2A / Topoisomerase II Alpha Antibody - IHC testing of FFPE human tonsil with Topoisomerase II alpha antibody (clone TOP2A/1361). Required HIER: boil sections in 10mM citrate buffer, pH6, for 10-20 min followed by cooling at RT for 20 min.
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TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal (TOP2A/1361) Antibody
Human
Flo, IF, IHC-P, WB
Unconjugated
20 µg/$371; 100 µg/$574
TOP2A / Topoisomerase II Alpha Antibody - IHC testing of FFPE human tonsil with Topoisomerase II alpha antibody (clone TOP2A/1361). Required HIER: boil sections in 10mM citrate buffer, pH6, for 10-20 min followed by cooling at RT for 20 min.
Select
TOP2A / Topoisomerase II Alpha Mouse anti-Human Monoclonal (Azide-free, BSA-free) (TOP2A/1361) Antibody
Human
Flo, IF, IHC-P, WB
Unconjugated, Azide-free, BSA-free
100 µg/$574
TOP2A / Topoisomerase II Alpha Antibody - Formalin-fixed and paraffin-embedded human skin with TOP2A Antibody , which was peroxidase-conjugated to the secondary antibody, followed by DAB staining. This data demonstrates the use of this antibody for immunohistochemistry; clinical relevance has not been evaluated.
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TOP2A / Topoisomerase II Alpha Rabbit anti-Human Polyclonal (aa1167-1196) Antibody
Human
IF, IHC, IHC-P, WB
Unconjugated
400 µl/$393
Select
TOP2A / Topoisomerase II Alpha Rabbit anti-Human Polyclonal Antibody
Human
ELISA, IF, IHC, IP, WB
Unconjugated
100 µg/$351
Select
TOP2A / Topoisomerase II Alpha Rabbit anti-Human Polyclonal Antibody
Human
ELISA, IF, IHC, IP, WB
Unconjugated
100 µg/$341
Viewing 1-25 of 144 product results



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The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).