ArticleJournal of nanobiotechnology2024
Time-series metabolomic analysis revealed altered metabolism of cynomolgus monkeys after injecting exosomes.
Article in Journal of nanobiotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Integrated Foodomics Reveals Gut Microbiota-Metabolite-Gene Interactions Associated with the Immunoprotective Effects of Ganoderma lucidum Polysaccharide Peptide.Foods (Basel, Switzerland) · 2026Article
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7 authors.
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Abstract
backgroundRecent years, exosomes have been increasing used to treat diseases, but there is little research on how exosomes affect the metabolism of the body after entering. Therefore, in this study, we discussed the changes of metabolic spectrum and determined the differentially expressed metabolites in the serum of cynomolgus monkeys after injecting exosomes. Six cynomolgus monkeys were divided into control group and exosomes group. After intravenous injection of exosomes, the peripheral blood serum of cynomolgus monkeys was collected at baseline, day 1, day 7 and day 14 respectively. An ultra-high performance liquid chromatography-quadrupole time-of-flight mass spectrometry-based non-targeted metabolomics platform was used to detect the metabolites. The metabolic spectra of two groups of cynomolgus monkeys were identified and compared, and the time series changes of metabolites in exosomes were described.
resultsThe results showed that there was significant difference in metabolic spectrum between the two groups. 45, 114, 49, 39 differentially expressed metabolites were identified in baseline, day 1, day 7, and day 14, respectively. 6-hydroxydopamine, a metabolite related to the regulation of nerve function, was also found. Tryptophan metabolism, choline metabolism in cancer, porphyrin and chlorophyll metabolism were involved in day 1. Sphingolipid metabolism and histidine metabolism were involved in day 7. Three pathways, including choline metabolism, sphingolipid metabolism and biotin metabolism in cancer were involved in day 14. Through time series analysis, it was found that the level of propionylcarnitine and biliverdin increased on day 1 after inoculation with exosomes, while the level of hippuric acid decreased. These changes of immune-related metabolites suggested that exosomes might participate in the immunoregulation reaction after entering the body of cynomolgus monkeys.
conclusionsIn our current study, we found that exosomes injected intravenously affect the changes of metabolites and metabolic pathways in cynomolgus monkeys. Intravenous injection of exosomes may affect the metabolite 6-hydroxydopamine, sphingolipid metabolic pathway, and choline metabolic in cancer pathway, which is of some significance for the treatment of Parkinson's disease. In addition, exosomes may also affect the immune-related metabolites in vivo, such as propionylcarnitine, biliverdin, hippuric acid metabolites, as well as tryptophan metabolism pathway, sphingolipid metabolism pathway involved in immune regulation, which is of great significance for the future study of immune-regulatory mechanisms of exosomes.
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