Expression analysis of extracellular microRNA in bronchoalveolar lavage fluid from patients with pulmonary sarcoidosis
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15110%2F18%3A73590705" target="_blank" >RIV/61989592:15110/18:73590705 - isvavai.cz</a>
Alternative codes found
RIV/61989592:15310/18:73590705
Result on the web
<a href="https://onlinelibrary.wiley.com/doi/epdf/10.1111/resp.13364" target="_blank" >https://onlinelibrary.wiley.com/doi/epdf/10.1111/resp.13364</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1111/resp.13364" target="_blank" >10.1111/resp.13364</a>
Alternative languages
Result language
angličtina
Original language name
Expression analysis of extracellular microRNA in bronchoalveolar lavage fluid from patients with pulmonary sarcoidosis
Original language description
BACKGROUND AND OBJECTIVE: MicroRNA (miRNA) are transcriptional regulators implicated in pulmonary sarcoidosis and packaged in extracellular vesicles (EV) during cellular communication. We characterized EV and investigated miRNA expression in bronchoalveolar lavage (BAL) fluid from sarcoidosis patients. METHODS: EV were characterized for size(s) using dynamic light scattering and transmission electron microscopy (TEM) analysis and protein markers by immunoblotting. Twelve extracellular and 5 cellular miRNA were investigated in BAL from 16 chest X-ray stage-I (CXR-I) and 17 CXR stage-II (CXR-II) sarcoidosis patients. Associations between miRNA and disease characteristics (extrapulmonary involvement, pulmonary function and BAL cell profile) were statistically analysed. RESULTS: BAL from sarcoidosis patients contained exosomes and microvesicles (MV) as EV. In these EV, expression of miR-146a (P = 0.007), miR-150 (P = 0.003) and BAL cellular miR-21 (P = 0.01) was increased in CXR-II compared with CXR-I. Other detected EV (miR-21 and miR-26a) and cellular (miR-31, miR-129-3p, miR-146a and miR-452) miRNA were not differentially expressed. The investigated miRNA did not reflect extrapulmonary involvement, but EV miR-146a and miR-150 were negatively correlated with pulmonary function (miR-146a with vital capacity (VC; Spearman's correlation coefficient (rs ), P = -0.657, 0.007), percent predicted forced expiratory volume in 1 s (FEV1 ; -0.662, 0.006) and FEV1 /forced vital capacity (FVC) ratio (-0.649, 0.008); miR-150 correlated negatively with VC (-0.584, 0.019) and FEV1 /FVC ratio (-0.746, 0.001) in CXR-II cases). CONCLUSION: Our data provide evidence that exosomes and microvesicles as extracellular vesicles are present in the bronchoalveolar space of sarcoidosis patients and they differentially express EV miRNA (miR-146a and miR-150), the expression of which correlates negatively with pulmonary function indices. The significance of these findings for disease pathophysiology and clinical course require further investigation.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
30203 - Respiratory systems
Result continuities
Project
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Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
RESPIROLOGY
ISSN
1323-7799
e-ISSN
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Volume of the periodical
23
Issue of the periodical within the volume
23
Country of publishing house
AU - AUSTRALIA
Number of pages
7
Pages from-to
1166-1172
UT code for WoS article
000450142800016
EID of the result in the Scopus database
2-s2.0-85050926591