ArticleNucleic acids research2011
Homogeneous antibody-based proximity extension assays provide sensitive and specific detection of low-abundant proteins in human blood.
Article in Nucleic acids research, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 400 papers, 2 of them syntheses that pooled it.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
400 citing papers in PubMed, 2 syntheses or guidelines pooled it, 749 citations in OpenAlex.
- Proteomics for heart failure risk stratification: a systematic review.BMC medicine · 2024Pooled it
- Screening for Circulating Inflammatory Proteins Does Not Reveal Plasma Biomarkers of Constant Tinnitus.Journal of the Association for Research in Otolaryngology : JARO · 2023Pooled it
- Home-based high-intensity exercise training during neoadjuvant chemotherapy is associated with favorable chemotherapy outcomes and tumor microenvironment remodeling in breast cancer.Cell communication and signaling : CCS · 2026Trial
- A randomized, double-blind, crossover study of acute low-level night-time road traffic noise: effects on vascular function, sleep, and proteomic signatures in healthy adults.Cardiovascular research · 2026Trial
- Association Between Endothelial Alterations, Cardiac Function, and Outcomes From Health to Heart Failure: Insight From the STANISLAS, MEDIA-DHF, and BIOSTAT-CHF Cohorts.Journal of the American Heart Association · 2025Trial
- Tislelizumab plus cetuximab and irinotecan in refractory microsatellite stable and RAS wild-type metastatic colorectal cancer: a single-arm phase 2 study.Nature communications · 2024Trial
- Targeted proteomics in late-onset neonatal sepsis: an exploratory analysis.Pediatric research · 2026Article
- Article
- Discovery of Epidermal Growth Factor-Like 7 as a Potential Non-Invasive Biomarker for Fibrosis and Mortality Risk in MASLD.Clinical and translational science · 2026Article
- CD19 CAR T cell therapy for treatment-refractory seropositive rheumatoid arthritis: a phase 1 trial.Nature medicine · 2026Article
- Shared genetic architecture of schizophrenia and lupus identifies pleiotropic loci with distinct downstream mechanisms.Human molecular genetics · 2026Article
- Isthmin-2 is a first-trimester predictor of preeclampsia and fetal growth restriction.Nature medicine · 2026Article
- Aptamer-Based Platforms for Human Aging Biomarkers: Multiplexed Proteomics, Biosensors and Translational Perspectives.International journal of molecular sciences · 2026Review
- Long-Term Ambient Benzene Exposure and Brain Disorders Among Urban Adults: Effect Modification by Genetic Susceptibility and Potential Mediation by Plasma Proteins.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Expanding High-Fidelity Multiplexing in Ultrasensitive Single-Molecule Protein Detection via Proximity Barcoding.Angewandte Chemie (International ed. in English) · 2026Article
- The molecular ICU: a primer on omics, informatics and the future of precision critical care.Critical care (London, England) · 2026Review
- Thymic output in human newborns is shaped by environmental exposures and a common TCRD genetic variant.Journal of human immunity · 2026Article
- In situ imaging of proximal biomolecules via Proximity Anchored Modules Assembly.Journal of nanobiotechnology · 2026Article
- Clinical validation of PEA-driven Olink proteomic discovery: INPP1 and ARHGAP25 serum biomarkers improve early breast cancer diagnosis.Translational oncology · 2026Article
- Pathway-level proteomics identifies subcellular trafficking dysregulation as a molecular signature in severe traumatic brain injury.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2026Article
340 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Convenient and well-performing protein detection methods for a wide range of targets are in great demand for biomedical research and future diagnostics. Assays without the need for washing steps while still unaffected when analyzing complex biological samples are difficult to develop. Herein, we report a well-characterized nucleic acid proximity-based assay using antibodies, called Proximity Extension Assay (PEA), showing good performance in plasma samples. Target-specific antibody pairs are linked to DNA strands that upon simultaneous binding to the target analyte create a real-time PCR amplicon in a proximity-dependent manner enabled by the action of a DNA polymerase. 3'Exonuclease-capable polymerases were found to be clearly superior in sensitivity over non-3'exonuclease ones. A PEA was set up for IL-8 and GDNF in a user-friendly, homogenous assay displaying femtomolar detection sensitivity, good recovery in human plasma, high specificity and up to 5-log dynamic range in 1 μL samples. Furthermore, we have illustrated the use of a macro-molecular crowding matrix in combination with this homogeneous assay to drive target binding for low-affinity antibodies, thereby improving the sensitivity and increasing affinity reagent availability by lowering assay development dependency on high-affinity antibodies. Assay performance was also confirmed for a multiplex version of PEA.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.