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BioRender Template

Duolink Protein Ligation Assay

David Gazzo
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An editable high resolution scientific image depicting Duolink Protein Ligation Assay

Description

Protein-protein interactions can be measured using the Duolink Protein Ligation Assay (PLA). Briefly, primary antibodies associated with proteins of interest, are incubated with fixed tissue. Duolink secondary antibody probes conjugated with complementary DNA oligos are then added and will form a double-stranded DNA circle if the proteins are <30 nm apart. Signal amplification with polymerase will then produce a fluorescent transcript and denote protein proximity.
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