ArticleJournal of ovarian research2025
Dynamic and functional analyses of exosomal miRNAs regulating cellular microenvironment of ovarian cancer cells.
Article in Journal of ovarian research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundExosomes, extracellular vesicles with an average diameter of 30 ~ 150 nm, are pivotal in mediating the cellular microenvironment (CM) through their cargo-carrying capability. Despite extensive studies, the dynamic and regulatory mechanisms of exosomal cargoes, including lipids, proteins, nucleic acids, and metabolites, remain poorly understood.
methodsIn this study, we collected culture medium of ovarian cancer cells at four different time points (12, 24, 36, 48 h). Exosomes were isolated using ultracentrifugation, and miRNA sequencing was performed for exosomes from each group (T12, T24, T36, and T48).
resultsA total of 131 miRNAs were identified in all groups. Specifically, 41, 115, 63, and 24 miRNAs were detected in the T12, T24, T36, and T48 groups, respectively. Among these, 15 miRNAs were common to the all groups, while 3, 57, 10, and 3 miRNAs were unique to the T12, T24, T36, and T48 groups, respectively. Functional analyses of the target genes for both common and specific miRNAs indicated that numerous target genes were involved in signaling pathways and cancer-related processes.
conclusionIt suggested that exosomal miRNAs might be critical in intercellular communication and in dynamically remodeling the tumor microenvironment. These insights could enhance our understanding of the role of exosomal miRNAs in cancer biology and inform the development of novel therapeutic strategies.
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