Proteomics of serum extracellular vesicles identifies a novel COPD biomarker, fibulin-3 from elastic fibres.
Journal
ERJ open research
ISSN: 2312-0541
Titre abrégé: ERJ Open Res
Pays: England
ID NLM: 101671641
Informations de publication
Date de publication:
Jan 2021
Jan 2021
Historique:
received:
10
09
2020
accepted:
18
11
2020
entrez:
29
3
2021
pubmed:
30
3
2021
medline:
30
3
2021
Statut:
epublish
Résumé
There is an unmet need for novel biomarkers in the diagnosis of multifactorial COPD. We applied next-generation proteomics to serum extracellular vesicles (EVs) to discover novel COPD biomarkers. EVs from 10 patients with COPD and six healthy controls were analysed by tandem mass tag-based non-targeted proteomics, and those from elastase-treated mouse models of emphysema were also analysed by non-targeted proteomics. For validation, EVs from 23 patients with COPD and 20 healthy controls were validated by targeted proteomics. Using non-targeted proteomics, we identified 406 proteins, 34 of which were significantly upregulated in patients with COPD. Of note, the EV protein signature from patients with COPD reflected inflammation and remodelling. We also identified 63 upregulated candidates from 1956 proteins by analysing EVs isolated from mouse models. Combining human and mouse biomarker candidates, we validated 45 proteins by targeted proteomics, selected reaction monitoring. Notably, levels of fibulin-3, tripeptidyl-peptidase 2, fibulin-1, and soluble scavenger receptor cysteine-rich domain-containing protein were significantly higher in patients with COPD. Moreover, six proteins; fibulin-3, tripeptidyl-peptidase 2, UTP-glucose-1-phosphate uridylyl transferase, CD81, CD177, and oncoprotein-induced transcript 3, were correlated with emphysema. Upregulation of fibulin-3 was confirmed by immunoblotting of EVs and immunohistochemistry in lungs. Strikingly,
Identifiants
pubmed: 33778046
doi: 10.1183/23120541.00658-2020
pii: 00658-2020
pmc: PMC7983195
pii:
doi:
Types de publication
Journal Article
Langues
eng
Informations de copyright
Copyright ©ERS 2021.
Déclaration de conflit d'intérêts
Conflict of interest: T. Koba has nothing to disclose. Conflict of interest: Y. Takeda has nothing to disclose. Conflict of interest: R. Narumi has nothing to disclose. Conflict of interest: T. Shiromizu has nothing to disclose. Conflict of interest: Y. Nojima has nothing to disclose. Conflict of interest: M. Ito has nothing to disclose. Conflict of interest: M. Kuroyama has nothing to disclose. Conflict of interest: Y. Futami has nothing to disclose. Conflict of interest: T. Takimoto has nothing to disclose. Conflict of interest: T. Matsuki has nothing to disclose. Conflict of interest: R. Edahiro has nothing to disclose. Conflict of interest: S. Nojima has nothing to disclose. Conflict of interest: Y. Hayama has nothing to disclose. Conflict of interest: K. Fukushima has nothing to disclose. Conflict of interest: H. Hirata has nothing to disclose. Conflict of interest: S. Koyama has nothing to disclose. Conflict of interest: K. Iwahori has nothing to disclose. Conflict of interest: I. Nagatomo has nothing to disclose. Conflict of interest: M. Suzuki has nothing to disclose. Conflict of interest: Y. Shirai has nothing to disclose. Conflict of interest: T. Murakami has nothing to disclose. Conflict of interest: K. Nakanishi has nothing to disclose. Conflict of interest: T. Nakatani has nothing to disclose. Conflict of interest: Y. Suga has nothing to disclose. Conflict of interest: K. Miyake has nothing to disclose. Conflict of interest: T. Shiroyama has nothing to disclose. Conflict of interest: H. Kida has nothing to disclose. Conflict of interest: T. Sasaki has nothing to disclose. Conflict of interest: K. Ueda has nothing to disclose. Conflict of interest: K. Mizuguchi has nothing to disclose. Conflict of interest: J. Adachi has nothing to disclose. Conflict of interest: T. Tomonaga has nothing to disclose. Conflict of interest: A. Kumanogoh has nothing to disclose.
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