ArticleGenome research2006
Development of a microscopic platform for real-time monitoring of biomolecular interactions.
Article in Genome research, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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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
3 citing papers in PubMed, 16 citations in OpenAlex.
- A platform for combined DNA and protein microarrays based on total internal reflection fluorescence.Sensors (Basel, Switzerland) · 2012Article
- Microfluidic, bead-based assay: Theory and experiments.Journal of chromatography. B, Analytical technologies in the biomedical and life sciences · 2010Article
- The trip of the tip: understanding the growth cone machinery.Nature reviews. Molecular cell biology · 2009Review
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We developed a new microscopic platform for the real-time analysis of molecular interactions by combining microbead-tagging techniques with total internal reflection fluorescent microscopy (TIRFM). The optical manipulation of probe microbeads, followed by photo immobilization on a solid surface, enabled us to generate arrays with extremely high density (>100 microbeads in a 25 microm x 25 microm area), and TIRFM made it possible to monitor the binding reactions of fluorescently labeled targets onto probe microbeads without removal of free targets. We demonstrated the high performance of this platform through analyses of interactions between antigen and antibody and between small compounds and proteins. Then, recombinant protein levels in total cellular lysates of Escherichia coli were quantified from the association kinetics using antibody-immobilized microbead arrays, which served as a model for a protein-profiling array. Furthermore, in combination with in vitro synthesis-coupled protein labeling, we could kinematically analyze the interaction of nuclear factor kappaB (p50) with DNA. These results demonstrated that this platform enabled us to: (1) monitor binding processes of fluorescently labeled targets to multiple probes in real-time without removal of free targets, (2) determine concentrations of free targets only from the association kinetics at an early phase, and (3) greatly reduce the required volume of the target solution, in principle to subnanoliter, for molecular interaction analysis. The unique features of this microbead-based microarray system open the way to explore molecular interactions with a wide range of affinities in extremely small volumes of target solutions, such as extracts from single cells.
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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.