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Novel Biomarker Technology for Cancer Diagnostics Developed
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Novel Biomarker Technology for Cancer Diagnostics Developed

Novel Biomarker Technology for Cancer Diagnostics Developed
News

Novel Biomarker Technology for Cancer Diagnostics Developed

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A new way of identifying cancer biomarkers has been developed by researchers at Lund University in Sweden. The new technology allows very sensitive, quick and cost-effective identification of cancer biomarkers.

Today, every third person will get cancer in their lifetime, and the current trend suggests that in a few years that number will be one in two. If diagnosed earlier than today, a majority of cancer cases would have a much more favorable outcome for patients. WHO has projected that a third of all cancers could be cured if diagnosed already at tumor stage I/II, that is, asymptomatic patients.

CREATE Health Cancer Center at Lund University has, in collaboration with Immunovia AB, developed a new technology combining the specificity of antibodies with the sensitivity of next-generation sequencing. The technology will pave the way for the next generation of biomarker discovery programs in cancer, where there is still a tremendous unmet need.

The novel approach, denoted ProMIS, Protein detection using Multiplex Immunoassay in Solution, circumvents the inherent technical problems in conventional biomarker research traditionally utilizing biomatrices, e.g. planar- or bead-based arrays, by instead profiling serum proteins in solution. ProMIS utilizes scFv antibody fragments tagged with a DNA barcode. The barcoded scFvs are mixed with biotinylated serum proteins coupled to streptavidin-coated magnetic beads, and bound antibodies are detected, using next generation sequencing (NGS). The combination of proteomics (antibodies) and genomics (NGS) results in both a multiplex and ultra-sensitive read-out which in turn will increase the possibilities and success rate to find tumors earlier.

“We have for years been developing advanced diagnostic approaches for multiplexed analysis of serum proteins, using a single drop of blood, for the purpose of early diagnosis of complex disease, in particular cancer. There is massive amount of information in blood and our combination of proteomics and genomics will open up for rapidly associating early tumor development with protein signatures. This in turn will benefit the patients with a more favorable outcome and overall survival. We are very excited with this novel next generation of biomarker discovery tool,” says Professor Carl Borrebaeck, director of CREATE Health Cancer Center at Lund University.

Reference


Brofelth et al. (2020). Multiplex profiling of serum proteins in solution using barcoded antibody fragments and next generation sequencing. Communications Biology. DOI: https://doi.org/10.1038/s42003-020-1068-0

This article has been republished from the following materials. Note: material may have been edited for length and content. For further information, please contact the cited source.

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