Genetics

New research unlocks a mystery of albinism

Newly published research provides the first demonstration of how a genetic mutation associated with a common form of albinism leads to the lack of melanin pigments that characterizes the condition.

Oncology & Cancer

New study helps scientists understand melanoma development

(Medical Xpress)—A new study by University of Kentucky researchers shows how a genetic defect in a specific hormonal pathway may make people more susceptible to developing melanoma, the deadliest type of skin cancer.

Oncology & Cancer

Mutation V60L increases predisposition to skin cancer

When Homo sapiens left Africa and had to adapt to less sunny climates, there was a mutation in one of the genes responsible for regulating the synthesis of melanin, the MC1R gene, which involved a discoloration of the skin. ...

Psychology & Psychiatry

Is this peptide a key to happiness?

(Medical Xpress)—What makes us happy? Family? Money? Love? How about a peptide? The neurochemical changes underlying human emotions and social behavior are largely unknown. Now though, for the first time in humans, scientists ...

Medical research

Study finds linchpin of skin response to UVA light

Last year, a team of researchers at Brown University discovered that certain skin cells use a light-sensitive receptor found outside of the eye to sense ultraviolet light and quickly begin pumping out melanin to protect against ...

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