Microarray Based Functional Analysis of Myricetin and Proteomic Study on Its Anti-Inflammatory Property

Area of Science:

• Biochemistry
• Molecular Biology
• Pharmacology

Background:

• Myricetin is recognized for its chemopreventive potential and diverse biofunctions.
• Understanding its impact on gene expression and specific properties like anti-inflammatory activity is crucial.

Purpose of the Study:

• To analyze the genome-wide gene expression changes induced by myricetin in HepG2 cells.
• To investigate the anti-inflammatory properties of myricetin using molecular and proteomic techniques.

Main Methods:

• Ingenuity Pathway Analysis (IPA) for gene expression profiling.
• Real-time fluorescent quantitative PCR (RT-qPCR) for gene expression validation.
• Western blotting and Bio-Plex-based cytokine assays for anti-inflammatory verification.

Main Results:

• IPA identified 337 gene expressions disturbed over 2-fold, highlighting effects on cardiovascular disease, metabolic disease, and lipid metabolism.
• RT-qPCR confirmed microarray data accuracy.
• Myricetin pretreatment significantly inhibited 6 out of 27 inflammatory cytokines, including TNF-α, IFN-γ, IL-1α, IL-1β, IL-2, and IL-6.

Conclusions:

• This study is the first to elucidate myricetin's multi-function via genome-wide IPA and verify its anti-inflammatory capacity through cytokine proteomics.
• The findings enrich the understanding of myricetin's bioactivities and support its potential as a powerful anti-inflammatory agent.
• Results encourage further in vivo studies to confirm myricetin's health benefits.