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How a member of a family of light-sensitive proteins adjusts skin color

Researchers have found that opsin 3 -- a protein closely related to rhodopsin, the protein that enables low-light vision -- has a role in adjusting the amount of pigment produced in human skin, a determinant of skin color.

New findings could lead to improved vaccinations against sexually transmitted infections

In a new study, researchers show how skin vaccination can generate protective CD8 T-cells that are recruited to the genital tissues and could be used as a vaccination strategy for sexually transmitted infections (STIs).

A new way of diagnosing and treating disease -- without cutting skin

Researchers have developed a specialized microscope that has the potential ability to both diagnose diseases that include skin cancer and perform incredibly precise surgery -- all without cutting skin.

Cellular rivalry promotes healthy skin development

Scientists have discovered a curious phenomenon taking place in mouse skin: cells compete with one another for the chance to develop into mature tissue. The findings indicate that this antagonism is key to creating healthy skin.

Opioid-exposed newborns may react to pain differently after birth

Babies exposed to opioids while their mothers were pregnant with them may need special care even before they start to experience withdrawal symptoms, according to new research.