Anti-3-Nitrotyrosine antibody [7A12AF6] (ab110282) is a mouse monoclonal antibody detecting 3-Nitrotyrosine in Western Blot, Flow Cytometry, IP, ICC/IF, ELISA.
- Over 30 publications
pH: 7.5
Preservative: 0.02% Sodium azide
Constituents: HEPES buffered saline
WB | IP | Flow Cyt | ICC/IF | In-Cell ELISA | |
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Chemical | Tested | Expected | Tested | Tested | Expected |
Species | Dilution info | Notes |
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Species Chemical | Dilution info 1 µg/mL | Notes - |
Species | Dilution info | Notes |
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Species Chemical | Dilution info Use at an assay dependent concentration. | Notes - |
Species | Dilution info | Notes |
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Species Chemical | Dilution info 1 µg/mL | Notes ab170192 - Mouse monoclonal IgG2b, is suitable for use as an isotype control with this antibody. |
Species | Dilution info | Notes |
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Species Chemical | Dilution info 1 µg/mL | Notes - |
Species | Dilution info | Notes |
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Species Chemical | Dilution info 4 µg/mL | Notes (0.4 μg/well). |
Select an associated product type
3-NT, 3NT
Anti-3-Nitrotyrosine antibody [7A12AF6] (ab110282) is a mouse monoclonal antibody detecting 3-Nitrotyrosine in Western Blot, Flow Cytometry, IP, ICC/IF, ELISA.
- Over 30 publications
pH: 7.5
Preservative: 0.02% Sodium azide
Constituents: HEPES buffered saline
ab110282 was developed to recognize only protein-bound nitrotyrosine and so is a sensitive tool for measuring protein-specific modifications from oxidative stress.
The antibody was produced in vitro using hybridomas grown in serum-free medium, and then purified by biochemical fractionation. Purity >95% by SDS-PAGE.
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3-Nitrotyrosine forms when peroxynitrite interacts with tyrosine residues in proteins. It is a marker of nitrosative stress and oxidative damage with the molecular mass of the modified residue remaining similar to that of tyrosine. This molecule is commonly found in conditions with high oxidative stress such as inflammation and is present in tissues with significant reactive nitrogen species. 3-Nitrotyrosine detection is facilitated by various techniques including nitrotyrosine staining and plays a notable role in the study of oxidative stress markers.
Modification of tyrosine can affect protein function and cell signaling. This post-translational modification can hinder protein function or disrupt protein-protein interactions altering cellular processes. Nitrotyrosine often forms part of the cellular response to oxidative damage contributing to complex antioxidant defenses. The presence of nitrotyrosine indicates a cellular environment stressed by reactive nitrogen species linking it to pathophysiological processes in cells undergoing such stress.
3-nitrotyrosine acts in oxidative stress and cell signaling routes. It integrates into pathways related to the cellular stress response particularly the antioxidant defense mechanisms. Proteins such as superoxide dismutase (SOD) may indirectly relate to nitrotyrosine since they mitigate reactive species trying to maintain redox balance. The presence of nitrotyrosine can indicate excess stress on these systems reflecting shifts in signaling that affect cell survival.
High levels of 3-nitrotyrosine associate with cardiovascular diseases and neurodegenerative disorders. In diseases such as atherosclerosis and Alzheimer's 3-nitrotyrosine presence indicates elevated oxidative stress. Through these conditions it relates to proteins like amyloid-beta in Alzheimer's disease or low-density lipoprotein (LDL) in cardiovascular disease. These associations emphasize the potential of 3-nitrotyrosine as a biomarker for oxidative damage in stress-related diseases.
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HL-60 cells were stained with 1 µg/ml ab110282 following treatment with 2 mM peroxynitrite (blue) or vehicle control (red). No primary antibody control is shown in black. Peroxynitrite modifies tyrosine residues to 3-nitrotyrosine.
Immunocytochemistry image of ab110282 stained Human HeLa cells (A) and fibroblast cells (B, C).
Cells grown on slides were paraformaldehyde fixed (4%, 20 min) and Triton X-100 permeabilized (0.1%, 15 min). Slides were treated with/without 1 mM peroxynitrite to modify exposed tyrosines to 3-nitrotyrosine. Slides were blocked and incubated with tab110282 at 2 µg/ml overnight at 4°C. The secondary antibody (green) was Alexa Fluor® 488 Goat anti-Mouse IgG (H+L) used at a 1/1000 dilution for 1 hour. 10% Goat serum was used as the blocking agent for all blocking steps. For reference, the mitochondria (red) were identified by HSP60 / Alexa Fluor® 594 and DAPI was used to stain the cell nuclei (blue).
HeLa cells (A) and fibroblast cells (B) show surface modification of tyrosine to 3-nitrotyrosine after exposure to peroxynitrite. While (C) unexposed fibroblast cells show no modification.
All lanes: Western blot - Anti-3-Nitrotyrosine antibody [7A12AF6] (ab110282) at 1 µg/mL
Lane 1: Bovine heart mitochondria
Lane 2: Bovine heart mitochondria - nitrated
Lane 3: BSA
Lane 4: BSA - nitrated
Prior to runnning the samples, the membrane was treated with sodium dithionite to reduce nitrotyrosine to aminotyrosine.
All lanes: Western blot - Anti-3-Nitrotyrosine antibody [7A12AF6] (ab110282) at 1 µg/mL
Lane 1: Bovine heart mitochondria
Lane 2: Bovine heart mitochondria - nitrated
Lane 3: BSA
Lane 4: BSA - nitrated
In this experiment, the antibody was first blocked with free nitrotyrosine before being used to blot the membrane.
The figure shows that ab110282's binding capacity was not inhibited by the free nitrotyrosine, and so only binds to the protein-bound form.
All lanes: Western blot - Anti-3-Nitrotyrosine antibody [7A12AF6] (ab110282) at 1 µg/mL
Lane 1: Bovine heart mitochondria
Lane 2: Bovine heart mitochondria - nitrated
Lane 3: BSA
Lane 4: BSA - nitrated
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