21 citations
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October 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” This study identified specific germline and somatic mutations in the Phospholipase C Delta 1 gene as high-risk factors for developing hereditary trichilemmal cysts, involving a monoallelic two-hit mechanism.
September 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” This study identified a germline variant in PLCD1 as a major risk allele for familial trichilemmal cysts, requiring a subsequent somatic mutation in the same allele for cyst formation.
5 citations
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October 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” This study identified a high-risk allele in the PLCD1 gene associated with hereditary trichilemmal cyst formation, proposing a monoallelic two-hit mechanism as the underlying genetic pathogenesis.
March 2025 in “American Journal of Medical Genetics Part A” In this study, researchers found that mosaic PLCD1 hotspot variants, even without the recognized germline "risk allele," may be a rare but significant genetic cause of nevus trichilemmocysticus, warranting DNA testing and sensitive sequencing technologies for accurate diagnosis.
November 2025 in “JPRAS Open” This study reported that age and diabetes are major factors influencing trichilemmal cyst development and size, highlighting the importance of these conditions for risk assessment and surgical planning.