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Whole Transcript Expression Array Analysis of Human Colon Fibroblasts Culture Treated with Helichrysum italicum Infusion

ABSTRACT: Whole Transcript Expression Array Analysis of Human Colon Fibroblasts Culture Treated with Helichrysum italicum Infusion

PROVIDER: PRJNA778950 | ENA |

REPOSITORIES: ENA

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Whole Transcript Expression Array Analysis of Human Colon Fibroblasts Culture Treated with Helichrysum italicum Infusion

Project description:Helichrysum italicum (HI) is a Mediterranean plant with well-reported use in traditional medicine for a wide range of applications, related mostly to respiratory, digestive and dermatologic conditions. The health-beneficial potential of H. italicum has been supported by numerous in vitro and in vivo experiments, however, little is known about the global mechanism behind its pleiotropic activity. The aim of this study was to enhance the understanding of the potential biological processes induced in primary colon fibroblasts by HI infusion exposure for 6 h and 24 h, using a microarray-based transcriptome analysis. Altogether we identified 217 differentially expressed genes compared to non-treated cells, and only 8 were common to both treatments. Gene ontology analysis revealed that 24 h treatment with HI infusion altered the expression of genes involved in cytoskeleton rearrangement and cell growth, whereas pathway analysis further showed the importance of interleukin signaling and transcriptional regulation by TP53. For the 6 h treatment only the process of hemostasis appeared in the results of both analyses. With the careful evaluation of the role of individual genes represented in the enriched pathways and processes, we propose the main mode of HI action, which is wound healing. In addition to its indirect prevention of diseases resulting from impaired barrier integrity, HI also effects inflammation and metabolic processes directly.

2021-11-11 | GSE188456 | GEO

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Helichrysum italicum ssp. italicum Infusion Promotes Fat Oxidation in Hepatocytes and Stimulates Energy Expenditure and Fat Oxidation after Acute Ingestion in Humans: A Pilot Study.

Project description:Helichrysum italicum is an aromatic plant with promising pharmacological activities. Bioactive compounds found in plants represent an important alternative treatment for weight loss and an infusion of H. italicum contains compounds which could have such effect. Our aim was, therefore, to investigate its acute effects on resting energy expenditure (REE) and possible differences in substrate oxidation in a pilot study. A dried, ground plant material of H. italicum ssp. italicum was infused with hot water and chemically characterized with HPLC-MS analysis. Sensory evaluation of herbal tea was performed. A randomized, crossover, controlled pilot study was then conducted on eleven healthy male subjects. The REE and substrate oxidation were measured by indirect calorimetry at baseline and 30 and 120 min after ingestion of infusion or hot water. The expression of genes involved in lipid metabolism was examined in H. italicum infusion-treated hepatocytes. Several phenolic classes were identified in the infusion, caffeoylquinic acids were the most abundant, followed by pyrones and flavonols. A single ingestion of H. italicum infusion significantly increased REE by 4% and fat oxidation by 12% compared to hot water ingestion. A significant 2-fold up-regulation of β-oxidation-related genes in HepG2 cells, exposed to H. italicum infusion, was detected. This pilot study suggests that H. italicum infusion possesses bioactive substances with potential application in obesity prevention, which could, with additional studies, become an economically interesting novel application of the plant. Clinical trial registration number: NCT04818905.

| S-EPMC8400233 | biostudies-literature

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