期刊
MOLECULAR AND BIOCHEMICAL PARASITOLOGY
卷 232, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.molbiopara.2019.111201
关键词
Circulating microRNAs; serum; Fascioliasis; Fasciola gigantica
资金
- National Key Basic Research Program (973 program) of China [2015CB150300]
- National Natural Science Foundation of China [31702224]
Circulating miRNAs are stably existed in serum and plasma and can serve as a novel class of biomarkers for the diagnosis of helminthic infection. Fasciola gigantica, the causative agents of fascioliasis, live in the liver of in humans and ruminants, especially cattle, goat and sheep. In this study, a total of 121 host circulating miRNAs were differentially expressed (2 >= fold change, p < 0.05), of which 44 miRNAs were up-regulated and 77 miRNAs were significantly down-regulated. Consistent with the sequencing data, qRT-PCR results showed that the expression levels of bta-miR-21-5p and bta-miR-23a were elevated gradually and bta-miR-125a was decreased gradually at the F. gigantica infection time points. Four F. gigantica-specific miRNAs, including three known miRNAs (fgi-miR-87, fgi-miR-71, and fgi-miR-124), and one novel miRNA (novel miR-1) were identified in the sera of F. gigantica-infected buffaloes. Further analyses demonstrated that two parasite-derived miRNAs (fgi-miR-87 and fgi-miR-71) were specifically detected in sera of F. gigantica-infected buffaloes. These findings will be helpful to understand the roles of circulating miRNAs in host-parasite interaction and to potentiate serum miRNAs as diagnostic targets for F. gigantica.
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