Journal
MOLECULES
Volume 26, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/molecules26123732
Keywords
Zika virus; proteomics; viral NS2B-NS3 protease
Funding
- National Science Centre, Poland [2016/21/B/NZ6/01307]
- Polish Ministry of Science and Education [16.16.160.557]
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Mass spectrometry is a powerful tool in proteomics analysis, capable of detecting hundreds of proteins, but may lead to confusing results and the biological relevance of detected targets cannot always be confirmed. Deep recognition of the biological role of proteins in virus infection processes is essential for a complete understanding.
Mass spectrometry (MS) used in proteomic approaches is able to detect hundreds of proteins in a single assay. Although undeniable high analytical power of MS, data acquired sometimes lead to confusing results, especially during a search of very selective, unique interactions in complex biological matrices. Here, we would like to show an example of such confusing data, providing an extensive discussion on the observed phenomenon. Our investigations focus on the interaction between the Zika virus NS3 protease, which is essential for virus replication. This enzyme is known for helping to remodel the microenvironment of the infected cells. Several reports show that this protease can process cellular substrates and thereby modify cellular pathways that are important for the virus. Herein, we explored some of the targets of NS3, clearly shown by proteomic techniques, as processed during infection. Unfortunately, we could not confirm the biological relevance of protein targets for viral infections detected by MS. Thus, although mass spectrometry is highly sensitive and useful in many instances, also being able to show directions where cell/virus interaction occurs, we believe that deep recognition of their biological role is essential to receive complete insight into the investigated process.
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