February 2026 in “Journal of Cutaneous and Aesthetic Surgery” In this study, a case of a 20-year-old woman revealed ectopic acanthosis nigricans at a post-syndactyly-release surgical site, suggesting this rare condition could result from epidermal–dermal mismatch and altered growth factor signaling in grafted skin, without indicating any metabolic or malignancy concerns.
108 citations
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July 2002 in “Molecular and cellular biology” This study found that overexpressing Dsg3 in the suprabasal epidermis of transgenic mice resulted in flaking skin and abnormal hair growth, supporting Dsg3's role in regulating epidermal differentiation.
April 2018 in “Journal of Investigative Dermatology” This study found that inactivating CerS4 in mouse epidermis disrupts lipid homeostasis and is crucial for maintaining, but not forming, the skin barrier.
15 citations
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February 2020 in “Journal of Investigative Dermatology” Ceramide Synthase 4 is crucial for healthy skin barrier function.
9 citations
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July 2010 in “British Journal of Dermatology” This article reports on lentiginosis observed within plaques of linear atrophoderma of Moulin and discusses its potential classification as a twin-spotting phenomenon but provides no new clinical research results.