Leica NCL-TOPOIIA User Manual
Novocastra™ Lyophilized
Mouse Monoclonal Antibody
Topoisomerase II Alpha
Product Code: NCL-TOPOIIA
Intended Use
Specicity
Clone
Ig Class
Antigen Used for
Immunizations
Hybridoma Partner
Preparation
Effective on Frozen Tissue
Effective on Parafn Wax
Embedded Tissue
Recommendations on Use
Positive Controls
Staining Pattern
Storage and Stability
Warnings and Precautions
FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC PROCEDURES.
Human topoisomerase II alpha.
3F6
IgG1
Prokaryotic recombinant protein corresponding to the C-terminal region of the topoisomerase II
alpha molecule.
Mouse myeloma (p3-NS1-Ag4-1).
Lyophilized tissue culture supernatant containing sodium azide.
Reconstitute with the volume of sterile distilled water indicated on the vial label.
Yes.Optimum xation, Zamboni’s, 10 minutes at 25 °C ( See Stefanini et al.. 1967).
Yes.
Immunohistochemistry on parafn sections.
Heat Induced Epitope Retrieval (HIER): Please follow the instructions for use in Novocastra
Epitope Retrieval Solution pH 6.
Suggested dilution: 1:100 for 30 minutes at 25 °C. This is provided as a guide and users should
determine their own optimal working dilutions.
Visualization: Please follow the instructions for use in the Novolink™ Polymer Detection Systems.
For further product information or support, contact your local distributor or regional ofce of Leica
Biosystems, or alternatively, visit the Leica Biosystems web site, www.LeicaBiosystems.com
The performance of this antibody should be validated when utilized with other manual staining
systems or automated platforms.
Immunohistochemistry: Tonsil.
Western Blotting: RAJI cell line.
Nuclear.
Store unopened lyophilized antibody at 2-8 °C. Under these conditions, there is no signicant
loss in product performance up to the expiry date indicated on the vial label. The reconstituted
antibody is stable for at least two months when stored at 2-8 °C. For long term storage, it is
recommended that aliquots of the antibody are frozen at -20 °C (frost-free freezers are not
recommended). Repeated freezing and thawing must be avoided. Prepare working dilutions on
the day of use.
This reagent has been prepared from the supernatant of cell culture. As it is a biological product,
reasonable care should be taken when handling it. This reagent contains sodium azide. A
Material Safety Data Sheet is available upon request or available from www.LeicaBiosystems.
com
Leica Biosystems Newcastle Ltd
Balliol Business Park West
Benton Lane
Newcastle Upon Tyne NE12 8EW
United Kingdom
( +44 191 215 4242
© Leica Biosystems Newcastle Ltd • NCL- Rev C
TOPOIIA 27/07/2012
General Overview
General References
Topoisomerases are nuclear enzymes involved in a variety of cellular activities. Topoisomerase
II Alpha modulates the topological structure of DNA during replication and transcription by
introducing a transient double strand break, facilitating the passing through of a double stranded
DNA helix, and then resealing the gap. Topoisomerase II Alpha expression and activity is linked to
the cell cycle, and is associated with the proliferation status of cells.
Lodge A J, Hall A G, Reid M M, et al.. Journal of Clinical Pathology. 54: 31–36 (2001).
Sandri M I, Hochhauser D, Ayton P, et al.. British Journal of Cancer. 73: 1518–1524 (1996).
Boege F, Anderson A, Jensen S, et al.. American Journal of Pathology. 146 (6): 1302–1308
(1995).
Houlbrook S, Addison C M, Davies S L, et al.. British Journal of Cancer. 72: 1454–1461 (1995).
Imai H, Furuta K, Landberg G, et al.. Clinical Cancer Research. 1: 417–424 (1995).
Vanderzee A, Devries E, Hollema H, et al.. Annals of Oncology. 5: 75–81 (1994).
Stefanini M, De Martino C and Zamboni L. Nature. 214: 173–174 (1967).
www.LeicaBiosystems.com
© Leica Biosystems Newcastle Ltd • NCL- Rev C
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