Project description:Oleocanthal (OL) and Oleacein (OC) are enriched components in Olive (oil and leaves). However, their effects on skin have not been widely studied compared to Oleuropein (OP). Here, we perfomed global gene expression profiling to screen the potential effects of OL and OC on the skin. Results showed that OL and OC have effects on skin development and keratinocyte differentiation by upregulation of key markers. Furthermore, OL and OC were effectively downregulated several melanogenic genes and it suggests that OL and OC can have a potential effect for pigmentation. B16F10 were murine melanoma cells line, treated with 5 µM of OL and OC for 24 hours. Microarray gene expression profiling was conducted technical replicates.

2024-05-01 | GSE237508 | GEO

Integration of Metabolomics and Transcriptomics Reveals Changes in MRSA Exposed to Terpinen-4-ol

Project description:Staphylococcus aureus (S. aureus) is a gram-positive bacterium that causes a wide range of diseases. Terpinen-4-ol is a monoterpene component contained in most plant essential oils with good antibacterial activity. In this study, terpinen-4-ol effectively inhibited 13 strains of S. aureus, and effectively inhibited the biofilm of MRSA. Metabolomics and transcriptomics were used to elucidate changes in MRSA cells exposed to terpinen-4-ol. Terpinen-4-ol significantly changed (greater than a 2- or less than a 2-fold change) the expression of 304 genes and the level of 847 metabolites (greater than a 1.5- or less than a 0.67-fold change) in MRSA. The levels of genes and metabolites related to the valine, leucine and isoleucine biosynthesis metabolism pathway, the purine and pyrimidine metabolism pathway, energy metabolism and β-lactam resistance were dramatically changed in biofilms exposed to terpinen-4-ol. To the best of our knowledge, this research is the first to report the metabolite and expression profiles of MRSA exposed to terpinen-4-ol.

2020-09-09 | GSE157638 | GEO

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