Identification of sheep lncRNAs related to the immune response to vaccines and aluminium adjuvants
Background: Long non-coding RNAs (lncRNAs) are involved in several immune processes, including the immune response to vaccination, but most of them remain uncharacterised in livestock species. The mechanism of action of aluminium adjuvants as vaccine components is neither not fully understood. Results: We built a transcriptome from sheep PBMCs RNA-seq data in order to identify unannotated lncRNAs and analysed their expression patterns along protein coding genes. We found 2284 novel lncRNAs and assessed their conservation in terms of sequence and synteny. Differential expression analysis performed between animals inoculated with commercial vaccines or aluminium adjuvant alone and the co-expression analysis revealed lncRNAs related to the immune response to vaccines and adjuvants. A group of co-expressed genes enriched in cytokine signalling and production highlighted the differences between different treatments. A number of differentially expressed lncRNAs were correlated with a divergently located protein-coding gene, such as the OSM cytokine. Other lncRNAs were predicted to act as sponges of miRNAs involved in immune response regulation. Conclusions: This work enlarges the lncRNA catalogue in sheep and puts an accent on their involvement in the immune response to repetitive vaccination, providing a basis for further characterisation of the non-coding sheep transcriptome within different immune cells.
Main Authors: | Bilbao-Arribas, Martin, Varela-Martínez, Endika, Abendaño, Naiara, Andrés, Damián F. de, Luján, Lluís, Jugo, Begoña M. |
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Other Authors: | Ministerio de Economía y Competitividad (España) |
Format: | artículo biblioteca |
Published: |
BioMed Central
2021-10-28
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Subjects: | LncRNAs, Ovis aries, Vaccine, Adjuvants, Aluminium, Systems biology, Immune response, Co-expression, RNA-seq, |
Online Access: | http://hdl.handle.net/10261/261647 http://dx.doi.org/10.13039/501100003329 |
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