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[Expression of genes for metalloproteinases (MMP-1, MMP-2, MMP-9, and MMP-12) associated with psoriasis]

N L Starodubtseva, V V Sobolev, A G Soboleva

    Genetika
    |November 29, 2011
    PubMed

    Insights

    Psoriasis is linked to increased matrix metalloproteinase (MMP) gene expression, particularly MMP-1 and MMP-12. Interleukin-17 (IL-17) may drive this upregulation in skin cells, offering insights into psoriasis pathogenesis.

    Area of Science:

    • Dermatology and Molecular Biology

    Context:

    • Psoriasis is a chronic inflammatory skin condition.
    • Matrix metalloproteinases (MMPs) are enzymes involved in tissue remodeling and inflammation.

    Purpose:

    • To investigate the expression levels of specific MMP genes (MMP-1, MMP-2, MMP-9, MMP-12) in psoriatic skin lesions compared to unaffected skin.
    • To explore the role of Interleukin-17 (IL-17) in regulating MMP gene expression in keratinocytes and psoriatic skin.

    Summary:

    • Real-time polymerase chain reaction (RT-PCR) revealed significantly increased mRNA levels (approximately 15-fold) for MMP-1 and MMP-12 genes in psoriatic lesions.
    • Studies on cultured human keratinocytes showed that IL-17 treatment upregulates MMP gene expression.
    • These findings suggest that IL-17 contributes to the elevated MMP gene expression observed in psoriasis-affected skin.

    Impact:

    • Provides molecular insights into the pathogenesis of psoriasis.
    • Identifies potential therapeutic targets by highlighting the role of MMPs and IL-17 in psoriatic skin.
    • Contributes to understanding the inflammatory mechanisms underlying skin diseases.

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