期刊
MOLECULAR ONCOLOGY
卷 15, 期 6, 页码 1715-1726出版社
WILEY
DOI: 10.1002/1878-0261.12809
关键词
affinity‐ based protein assays; blood markers; liquid biopsy; protein biomarkers; proximity ligation assay; tissue‐ specific expression
类别
资金
- Swedish Research Council [2017-04152, 2018-02943, 2018-06156, 2012-5852]
- Swedish Foundation for Strategic Research [SB16-0046]
- IngaBritt och Arne Lundbergs Forskningsstiftelse
- European Research Council under the European Union's Seventh Framework Programme (FP/2007-2013)/ERC Grant [294409]
- Torsten Soderbergs Stiftelse [M130/16]
- ProteinSeq
- Swedish Research Council [2017-04152, 2018-02943] Funding Source: Swedish Research Council
Current protein biomarkers and detection methods fall short of meeting the needs for accurate cancer diagnosis, highlighting the importance of exploring biomarkers deep within the proteome. The molecular detection sensitivity of protein assays lags behind nucleic acid detection reactions, necessitating improvements to ensure early detection of malignant growth through liquid biopsy.
Cancer diagnostics based on the detection of protein biomarkers in blood has promising potential for early detection and continuous monitoring of disease. However, the currently available protein biomarkers and assay formats largely fail to live up to expectations, mainly due to insufficient diagnostic specificity. Here, we discuss what kinds of plasma proteins might prove useful as biomarkers of malignant processes in specific organs. We consider the need to search for biomarkers deep down in the lowest reaches of the proteome, below current detection levels. In this regard, we comment on the poor molecular detection sensitivity of current protein assays compared to nucleic acid detection reactions, and we discuss requirements for achieving detection of vanishingly small amounts of proteins, to ensure detection of early stages of malignant growth through liquid biopsy.
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