Vitamin D

Several dermatologists observing a colleague perform surgery.

Melanonychia and the Study of Nail Diseases

For 35 years, Judith Domínguez-Cherit, MD, has worked as a dermatologist and assistant professor of dermatology at the Dr. Manuel Gea González General Hospital, the same practice her father, the distinguished dermatologist Luciano Domínguez-Soto, started in 1977. “When I was young, my father took me with him to the hospital,” she said. “I became interested…

Man standing in front of window.

Vitamin D and Synthetic Melanin in Wound Healing

Twenty-two years ago, Kurt Lu, MD, was a postdoctoral fellow in molecular and cellular dermatology at Case Western Reserve University in Cleveland. He was studying macrophages with Kevin Cooper, MD and wanted to know more about the role these cells play in the resolution of inflammation in the skin. “Macrophages are in every organ system,…