The in situ proximity ligation assay is a powerful technology capable of detecting single protein events such as protein protein interactions (e.g. protein dimerization) and modifications (e.g. protein phosphorylation) in tissue and cell samples prepared for microscopy. Each detected signal is visualized as an individual fluorescent dot, these signals can be quantified (counted) and assigned to a specific subcellular location based on microscopy images. This revolutionary technique enables unprecedented specificity and sensitivity of protein detection and quantification for high performance immunofluorescence and immunohistochemistry applications. Leveraging on Abnova's manufacturing capability and growing collection of 50,000+ antibodies, hundreds of target specific and validated assays are being developed in cells and tissue samples.
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Principle of Proximity Ligation Assay |
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Protein Protein Interaction Studies |
Product Name:
FLT1 & CTNNB1 Protein Protein Interaction Antibody Pair
Catalog # : DI0010
Huh7 cells were stained with anti-FLT1 rabbit purified polyclonal antibody and anti-CTNNB1 mouse monoclonal antibody. Each red dot represents the detection of protein-protein interaction complex.
Product Name:
TRAF2 & ACTG1 Protein Protein Interaction Antibody Pair
Catalog # : DI0041
HeLa cells were stained with anti-TRAF2 rabbit purified polyclonal antibody and anti-ACTG1 mouse monoclonal antibody. Each red dot represents the detection of protein-protein interaction complex.
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Protein Phosphorylation Studies |
Product Name:
Phospho-DNMT1(Y399) & DNMT1 Dual Recognition Antibody Pair
Catalog # : DP0002
The phosphorylation of DNMT1 protein on Y399 in HeLa cell. Each red dot represents a phosphorylated protein.
*The images were analyzed using an optimized freeware (BlobFinder) download from The Centre for Image Analysis at Uppsala University.
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