Abstract
Immunocytochemical identification of skin cells are difficult due to numerous endogenous autofluorescent components within the cell and the environment. This is particularly evident in hair follicles. This paper reports on a serendipitous modification to an existing method which results in a drastically reduced background fluorescence. Immediately after antigen retrieval, sections exposed to 0.3% hydrogen peroxide in methanol for 30 min at room temperature exhibited low background fluorescence, increased antigenicity and revealed quantifiable numbers of melanocytes. This method is applicable to both human and mouse melanocytes particularly in the hair follicle.
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