Cellular biomolecules in seborrheic keratosis lesions

Cellular biomolecules in seborrheic keratosis lesions refers to the broad range of organic compounds, including proteins, lipids, and nucleic acids, found within the cells of seborrheic keratosis (SK) growths. Seborrheic keratosis is a common, benign epidermal tumor that typically appears as a pigmented, stuck-on lesion in older individuals (StatPearls, 2023). While the pathogenesis of SK is often linked to somatic mutations in the FGFR3 and PIK3CA genes, these specific proteins are not the primary focus of current topical destructive therapies. Instead, treatments such as high-concentration (40%) hydrogen peroxide act by inducing massive oxidative stress across the lesion's cellular components (FDA, 2017). This chemical process causes oxidative damage to the biomolecules, leading to localized tissue necrosis and the eventual sloughing of the keratotic growth (Baumann et al., 2018). Because this target represents a heterogeneous group of molecules rather than a single receptor or enzyme, it is classified as a site of non-specific chemical action. Consequently, while effective for lesion removal, it does not allow for the high degree of specificity seen in modern molecularly targeted oncology.

Other names

Seborrheic keratosis cellular componentsSK lesion biomolecules

Oxidative damage to cellular components leading to localized cell death