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Characterization of vestibular schwannoma tissues using liquid chromatography-tandem mass spectrometry analysis of specific peptide fragments separated by in-sample tryptic protein digestion followed by mathematical analysis
M. Tesařová, T. Boušková, P. Cejnar, J. Šantrůček, L. Peterková, Z. Fík, P. Sázelová, V. Kašička, R. Hynek
Jazyk angličtina Země Německo
Typ dokumentu časopisecké články
Grantová podpora
194423
Grant Agency of Charles University in Prague (GAUK)
874120
Grant Agency of Charles University in Prague (GAUK)
19-08241S
Czech Science Foundation (GACR)
NV19-06-00189
Ministry of Health of the Czech Republic
NV20-08-00311
Ministry of Health of the Czech Republic
Cooperatio ONCO
Charles University in Prague
RVO 61388963
Czech Academy of Sciences
LUC23138
Ministry of Education, Youth and Sports of the Czech Republic
Odkazy
PubMed
37735989
DOI
10.1002/jssc.202300543
Knihovny.cz E-zdroje
- MeSH
- chromatografie kapalinová metody MeSH
- lidé MeSH
- peptidové fragmenty * analýza chemie metabolismus MeSH
- peptidy metabolismus MeSH
- proteolýza MeSH
- proteomika metody MeSH
- tandemová hmotnostní spektrometrie metody MeSH
- trypsin chemie MeSH
- vestibulární schwannom * MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
Vestibular schwannoma is the most common benign neoplasm of the cerebellopontine angle. Its first symptoms include hearing loss, tinnitus, and vestibular symptoms, followed by cerebellar and brainstem symptoms, along with palsy of the adjacent cranial nerves. However, the clinical picture has unpredictable dynamics and currently, there are no reliable predictors of tumor behavior. Hence, it is desirable to have a fast routine method for analysis of vestibular schwannoma tissues at the molecular level. The major objective of this study was to verify whether a technique using in-sample specific protein digestion with trypsin would have the potential to provide a proteomic characterization of these pathological tissues. The achieved results showed that the use of this approach with subsequent liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis of released peptides allowed a fast identification of a considerable number of proteins in two differential parts of vestibular schwannoma tissue as well as in tissues of control healthy samples. Furthermore, mathematical analysis of MS data was able to discriminate between pathological vestibular schwannoma tissues and healthy tissues. Thus, in-sample protein digestion combined with LC-MS/MS separation and identification of released specific peptides followed by mathematical analysis appears to have the potential for routine characterization of vestibular schwannomas at the molecular level. Data are available via ProteomeXchange with identifier PXD045261.
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- $a Tesařová, Michaela $u Department of Otorhinolaryngology and Head and Neck Surgery, First Faculty of Medicine Charles University and Motol University Hospital, Prague 5, Czech Republic $u Institute of Anatomy, First Faculty of Medicine, Charles University, Prague 2, Czech Republic
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- $a Vestibular schwannoma is the most common benign neoplasm of the cerebellopontine angle. Its first symptoms include hearing loss, tinnitus, and vestibular symptoms, followed by cerebellar and brainstem symptoms, along with palsy of the adjacent cranial nerves. However, the clinical picture has unpredictable dynamics and currently, there are no reliable predictors of tumor behavior. Hence, it is desirable to have a fast routine method for analysis of vestibular schwannoma tissues at the molecular level. The major objective of this study was to verify whether a technique using in-sample specific protein digestion with trypsin would have the potential to provide a proteomic characterization of these pathological tissues. The achieved results showed that the use of this approach with subsequent liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis of released peptides allowed a fast identification of a considerable number of proteins in two differential parts of vestibular schwannoma tissue as well as in tissues of control healthy samples. Furthermore, mathematical analysis of MS data was able to discriminate between pathological vestibular schwannoma tissues and healthy tissues. Thus, in-sample protein digestion combined with LC-MS/MS separation and identification of released specific peptides followed by mathematical analysis appears to have the potential for routine characterization of vestibular schwannomas at the molecular level. Data are available via ProteomeXchange with identifier PXD045261.
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- $a Boušková, Tereza $u Department of Biochemistry and Microbiology, University of Chemistry and Technology, Prague 6, Czech Republic
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