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Journal Articles Scientific Data Year : 2023

Comparison of goat and cow milk-derived extracellular vesicle miRNomes

Abstract

Abstract miRNAs present in milk are mainly found in extracellular vesicles (EVs), which are nanosized membrane vesicles released by most of the cell types to ensure intercellular communication. The majority of the studies performed so far on these vesicles have been conducted on human and cow’s milk and focused on their miRNA content. The objectives of this study were to profile the miRNA content of purified EVs from five healthy goats and to compare their miRNome to those obtained from five healthy cows, at an early stage of lactation. EV populations were morphologically characterized using Transmission Electron Microscopy and Nanoparticle Tracking Analysis. The presence of EV protein markers checked by Western blotting and the absence of contamination of preparations by milk proteins. The size distribution and concentration of bovine and goat milk-derived EVs were similar. RNA-sequencing were performed, and all sequences were mapped to the cow genome identifying a total of 295 miRNAs. This study reports for the first-time a goat miRNome from milk EVs and its validation using cow miRNomes.
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hal-04214068 , version 1 (21-09-2023)

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Zuzana Krupova, Christine Leroux, Christine Péchoux, Claudia Bevilacqua, Patrice Martin. Comparison of goat and cow milk-derived extracellular vesicle miRNomes. Scientific Data , 2023, 10 (1), pp.465. ⟨10.1038/s41597-023-02347-0⟩. ⟨hal-04214068⟩
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