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This research investigates how normal human melanocytes and melanoma cells respond to endocrine stimuli, particularly focusing on tyrosinase activity.

June 17, 2026JNCI Journal of the National Cancer Institute

Endocrine Responsiveness in Human Melanocytes and Melanoma Cells in Culture,

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BFBryan B. FullerTexas Tech University FMF. L. MeyskensUniversity of Arizona

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Randomized trial investigates endocrine responsiveness in melanocytes and melanoma cells, suggesting varying responses to stimulants.

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This research investigates how normal human melanocytes and melanoma cells respond to endocrine stimuli, particularly focusing on tyrosinase activity.
Cell lines derived from normal melanocytes and human melanoma were cultured and exposed to stimulants.
Responses to melanocyte-stimulating hormone, theophylline, cyclic AMP, and prostaglandin E1 were measured by tyrosinase activity.
Eleven human melanoma cell lines were evaluated for MSH responsiveness and enzyme activity changes.
Increased tyrosinase activity was observed in normal melanocytes with theophylline, cyclic AMP, and PGE1, but not with MSH.
In human melanoma cell lines, MSH increased tyrosinase activity in 4 of 11 lines and inhibited it in 3 lines.
Theophylline stimulated tyrosinase activity in 8 of 11 melanoma-derived cell lines.

Cite This Study

Fuller et al. (1981) studied this question.

synapsesocial.com/papers/6a323cc9d50b63ecad206d45 https://doi.org/10.1093/jnci/66.5.799

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Endocrine Responsiveness in Human Melanocytes and Melanoma Cells in Culture,

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Cite This Study

Endocrine Responsiveness in Human Melanocytes and Melanoma Cells in Culture,

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Key Points

Cite This Study

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