The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.
Expression profiling in vivo demonstrates rapid changes in lung microRNA levels following lipopolysaccharide-induced inflammation but not in the anti-inflammatory action of glucocorticoids
Open accessAbstract
Background: At present, nothing is known of the role of miRNAs in the immune response in vivo despite the fact that inflammation is thought to underlie multiple acute and chronic diseases. In these circumstances, patients are commonly treated with corticosteroids such as dexamethasone. Results: To address this question, we have examined the differential expression of 104 miRNAs using real-time PCR during the innate immune response in mouse lung following exposure to aerosilised lipopolysaccharide (LPS). Following challenge, we observed rapid and transient increase in both the mean (4.3-fold) and individual levels of miRNA expression (46 miRNAs) which peaked at 3 hrs. Crucially, this increase was correlated with a reduction in the expression of tumour necrosis factor (TNF)-α, keratinocyte-derived chemokine (KC) and macrophage inflammatory protein (MIP)-2, suggesting a potential role for miRNAs in the regulation of inflammatory cytokine production. Examination of the individual miRNA expression profiles showed time dependent increases in miR-21, -25, -27b, -100, 140, -142-3p, -181c, 187, -194, -214, -223 and -224. Corticosteroid studies showed that pre-treatment with dexamethasone at concentrations that inhibited TNF-α production, had no effect either alone or upon the LPS-induced miRNA expression profile. Conclusion: We have shown that the LPS-induced innate immune response is associated with widespread, rapid and transient increases in miRNA expression in the mouse lung and we speculate that these changes might be involved in the regulation of the inflammatory response. In contrast, the lack of effect of dexamethasone in either control or challenged animals implies that the actions of glucocorticoids per se are not mediated through changes in miRNAs expression and that LPS-induced increases in miRNA expression are not mediated via classical inflammatory transcription factors.
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Cites
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Cited by
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Metadata
- Authors
- Moschos, S. A., Williams, A. E., Perry, M. M., Birrell, M. A., Belvisi, M. G., & Lindsay, M. A.
- Venue
- BMC Genomics
- Published
- 2007-07-17
- Volume
- 8
- Issue
- 1
- Pages
- 240-240
- ISSN
- 1471-2164 (ISSN-L)
- OpenAlex
- W2144893470
- Cited by
- 283
- References
- 12
- FWCI
- 6.54
- Type
- journal article
- Language
- en
- Open access
- gold
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- Moschos, S. A., Williams, A. E., Perry, M. M., Birrell, M. A., Belvisi, M. G., & Lindsay, M. A. (2007). Expression profiling in vivo demonstrates rapid changes in lung microRNA levels following lipopolysaccharide-induced inflammation but not in the anti-inflammatory action of glucocorticoids. BMC Genomics. https://doi.org/10.1186/1471-2164-8-240
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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