AM03160PU-N 8-Hydroxy-Guanosine / 8-OHG Antikörper

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0.1 mg / 385,00 €
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Mouse anti 8-Hydroxy-Guanosine / 8-OHG 15A3

AM03160PU-N

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Produktbeschreibung für 8-Hydroxy-Guanosine / 8-OHG

Mouse anti 8-Hydroxy-Guanosine / 8-OHG 15A3.
Presentation: Purified
Product is tested for Dot blot, Immunocytochemistry/Immunofluorescence, Frozen Sections, Enzyme Immunoassay, Paraffin Sections.

Produktdaten von 8-Hydroxy-Guanosine / 8-OHG

Produkt-Kategorie Primärantikörper
Target-Kategorie
Menge 0.1 mg
Synonyme 8-Hydroxy-2'-deoxyguanosine, 8-Hydroxyguanine, 8-Hydroxyguanosine, 8-OFdG, 8-OHG, 8OG, 8OHG, 8OHdG
Präsentation Purified
Anwendungen C, Dot, E, ICC/IF, P
Klonalität Monoclonal
Klon 15A3
Wirt Mouse
Isotype IgG2b
Shipping to Worldwide
PDF datasheet Datenblatt ansehen
Hersteller OriGene Technologies GmbH
Material safety datasheet MSDS for Monoclonal Antibodies (de)

Datenblatt-Auszug

Immunogen
Immunogen:
8-Hydroxy-Guanosine-BSA and –Casein conjugates
Isotype control AM03110PU-N, SM12P
Anwendung ELISA.
Dot Blot.
Immunoaffinity Chromatography.
Immunohistochemistry
(1/1000).
Immunocytochemistry.
Background DNA or RNA damage is due to environmental factors and normal metabolic processes inside the cell, that then hinder the ability of the cell to carry out its functions. There are four main types of DNA due to endogenous cellular processes and they are oxidation, alkylation, hydrolysis and mismatch of the bases. During the oxidation of bases, highly reactive chemical entities collectively known as RONS, occurs. RONS stands for reactive oxygen and nitrogen species and includes nitric oxide, superoxide, hydroxyl radical, hydrogen peroxide and peroxynitrite. Numerous studies have shown that RONS causes a variety of issues including DNA damage (1). 8-hydroxyguanine, 8-hydroxy-2’-deoxyguanonsine and 8-hydroxyguanosine are all RNA and DNA markers of oxidative damage. 8-hydroxy-2’-guanosine is produced by reactive oxygen and nitrogen species including hydroxyl radical and peroxynitrite. Specifically its high biological relevance is due to its ability to induce G to T transversions, which is one of the most frequent somatic mutations (2). 8-hydroxy-guanine has been the most frequently studied type of DNA base damage, with studies in diabetes, and cancer. Base modifications of this type arise from radical-induced hydroxylation and cleavage reactions of the purine ring (3, 4). And finally, 8-hydroxy-guanosine, like 8-hydroxy-2’-guanosine, induces a mutagenic transversion of G to T in DNA. Its role has specifically been tested in the development of diabetes, hypertension and strokes (5, 6, and 7).
Concentration 1.0 mg/ml
Protocols Immunostaining with 8-OHdG Monoclonal Antibody AM03160PU (Clone 15A3)
Tissue Preparation
8-OHdG monoclonal antibody reacts on both 50 um frozen tissue sections and paraffin-embedded sections.
Tissue should be dissected fresh and fixed in periodate-lysineparaformaldehyde (PLP) at 4°C overnight.
PLP
Heat 1 L dH2O to 60°C.
Add 60 g paraformaldehyde.
Add 33 g dibasic NaPO4.
Cool to RT in a cold water bath.
Add 9 g monobasic NaPO4.
Add 6.45 g Na-m-periodate.
Add 41.1 g lysine (HCl salt).
Filter and dilute to 3 L with dH2O.
Adjust pH to 7.6 with 1.0 N NaOH approx. (20-30 ml).

Tissue prepared for frozen sectioning must be cryoprotected in a 20% glycerol-2% DMSO solution in phosphate buffer for 24-48 hours. Tissue will sink to the bottom of container when fully penetrated. This will eliminate freezing artifact from cutting.

Glycerol-DMSO (for 3 L)
2.4 L 0.1M phosphate buffer
600 ml glycerol
60 ml DMSO

0.1 M Phosphate Buffer, pH 7.4 (for 1 L)
1 L dH2O
11 g dibasic NaPO4
3 g monobasic NaPO4
After frozen sectioning, tissue should be stored in phosphate buffer with 0.08% sodium azide.

Staining Sections By DAB Procedure
Paraffin-embedded sections must be deparaffinized by sequential immersion in the following for 3 minutes each: xylene (twice), absolute ethanol (twice). Agitate gently in each solution. Proceed with the following procedure.
1. Pretreat sections with a methanolperoxide solution to eliminate endogenous peroxidases.
Methanol-Peroxide
100 ml absolute methanol
1 ml 33% H2O2
Incubate sections in methanolperoxide solution for 30 minutes at RT.

2. Wash sections 3 times for 10 minutes each in 0.1 M phosphate buffered saline (PBS)
PBS, pH 7.4 (for 1 L)
1 L dH2O
11 g dibasic NaPO4
3 g monobasic NaPO4
8.5 g NaCl

3. Incubate sections for 1 hour in 10% normal goat serum in PBS.
4. Incubate sections in the primary antibody for 18-24 hours at RT. Depending on the nature of the sample, a shorter incubation time may be used.
It is recommended that a concentration range of 1-10 ug/ml be evaluated in order to determine the optimal concentration for each type of tissue sample. Dilute antibody in PBS containing 0.3% Triton X-100, 0.08% sodium azide and 2% normal goat serum.
NOTE: A humidified chamber is necessary when staining paraffin sections. Slides should be placed flat and primary antibody applied over the section, covering it completely.
5. Rinse sections 3 times for 10 minutes each in PBS.
6. Incubate for 3 hours with peroxidase-conjugated goat antimouse IgG (Boehringer-Mannheim, Indianapolis, IN) diluted 1:300 in PBS with 2% normal goat serum.
7. Rinse sections 3 times for 10 minutes each in PBS.
8. Incubate sections for 5-10 minutes in a solution of 0.5 mg/ml 3,3’ diaminobenzidine tetrahydrochloride (DAB, Sigma, St. Louis, MO) and 0.005% hydrogen peroxide in 0.05 M tris HCl buffer, pH 7.6 plus imidazole (10 ml/110 ml Tris buffer).

50 mM Tris Buffer, pH 7.6
1 L dH2O
6 g Trizma base
3 ml concentrated HCl (37%)

Sodium Imidazole
100 ml 0.1 M phosphate buffer
0.7 g sodium imidazole

9. Rinse sections 3 times for 10 minutes each in PBS.
10. Mount free-floating sections on subbed slides and air dry.

Subbing Solution
500 ml dH2O
2.5 g gelatin
0.25 g chromium potassium sulfate
Heat to 60°C. Filter and proceed to coat slides. Once slides are air dried, sections can be mounted.

11. Dehydrate mounted/paraffin sections by sequential immersion in the following for 3 minutes each: 70% ethanol, 95% ethanol, absolute ethanol, xylene. Agitate gently in each solution.
12. Apply coverslip with Permount in a chemical fume hood.
Product Citations
Originator or purchased from resellers:
  1. Zawada WM, Mrak RE, Biedermann J, Palmer QD, Gentleman SM, Aboud O, et al. Loss of angiotensin II receptor expression in dopamine neurons in Parkinson's disease correlates with pathological progression and is accompanied by increases in Nox4- and 8-OH guanosine-related nucleic acid oxidation and caspase-3 activation. Acta Neuropathol Commun. 2015 Feb 3;3:9. doi: 10.1186/s40478-015-0189-z. PubMed PMID: 25645462. (Free PMC Article available, 9 images available)
  2. Aboud O, Mrak RE, Boop FA, Griffin WS. Epilepsy: neuroinflammation, neurodegeneration, and APOE genotype. Acta Neuropathol Commun. 2013 Jul 29;1:41. doi: 10.1186/2051-5960-1-41. PubMed PMID: 24252240. (Free PMC Article available, 8 images available)
  3. Brennan LJ, Haukedal JA, Earle JC, Keddie B, Harris HL. Disruption of redox homeostasis leads to oxidative DNA damage in spermatocytes of Wolbachia-infected Drosophila simulans. Insect Mol Biol. 2012 Oct;21(5):510-20. doi: 10.1111/j.1365-2583.2012.01155.x. Epub 2012 Jul 26. PubMed PMID: 22831171.
  4. Angeloni C, Malaguti M, Rizzo B, Barbalace MC, Fabbri D, Hrelia S. Neuroprotective effect of sulforaphane against methylglyoxal cytotoxicity. Chem Res Toxicol. 2015 Jun 15;28(6):1234-45. doi: 10.1021/acs.chemrestox.5b00067. Epub 2015 May 11. PubMed PMID: 25933243.
  5. Advancing age increases sperm chromatin damage and impairs fertility in peroxiredoxin 6 null mice. Redox Biology. [Epub ahead of print]. 2015. Ozkosem, B., Feinstein, S.I., Fisher, A.B. and O'Flaherty, C.
  6. Zawada WM, Mrak RE, Biedermann J, Palmer QD, Gentleman SM, Aboud O, et al. Loss of angiotensin II receptor expression in dopamine neurons in Parkinson's disease correlates with pathological progression and is accompanied by increases in Nox4- and 8-OH guanosine-related nucleic acid oxidation and caspase-3 activation. Acta Neuropathol Commun. 2015 Feb 3;3:9. doi: 10.1186/s40478-015-0189-z. PubMed PMID: 25645462. (Free PMC Article available, 9 images available)
General Readings
  1. Kim H.W., Murakami A., Williams M.V., and Ohigashi H. (2003) Carcinogenesis 24(2): 235-241.
  2. Pilger A. and Rudiger H.W. (2006) Int Arch Occup Environ Health. 80(1): 1-15.
  3. Malins D.C. and Haimanot R. (1991) Cancer Res. 51(19): 5430-5432.
  4. Kvam E. and Tyrrell R.M. (1997) Carcinogenesis 18(11): 2281-2283.
  5. Kowluru R.A., Atasi L., and Ho Y.S. (2006) Invest Ophthalmol Vis Sci 47(4): 1594-9.
  6. Bowers R. et al. (2004) Am J Respir Crit Care Med. 169(6): 764-9.
  7. Cui J., Holmes E.H., Greene T.G., and Liu P.K. (2000) Faseb J. 14(7): 955-67.
Storage Store undiluted at 2-8°C up to one month or (in aliquots) at -20°C for longer.
Avoid repeated freezing and thawing.
Shelf life: one year from despatch.
Format
Purification:
Affinity Chromatography on Protein G
Buffer System:
PBS containing 50% Glycerol and 0.09% Sodium Azide
State:
Liquid purified Ig fraction
Purified
Specificity
Specificity:
Recognizes markers of Oxidative Damage to DNA (8-Hydroxy-2'-deoxyguanosine, 8-Hydroxyguanine and 8-Hydroxyguanosine).

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