A man had a rare pigmented nodule on his scalp that developed from birthmarks.
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February 2010 in “Journal of Cell Science” Human dermal stem cells can become functional skin pigment cells.
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May 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin lesions in Carney Complex are caused by a gene change in some skin cells that leads to increased pigmentation and may lead to tumors.
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March 1998 in “Journal of Investigative Dermatology” The transgene likely activated an oncogene or interrupted a tumor suppressor gene, causing melanoma in mice.
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January 2014 in “BioMed research international” Rat whisker cells can help turn other cells into nerve cells and might be used to treat brain injuries or diseases.