MDR1

One-of-a-kind medicine for one-of-a-kind patients

Carlee, a 7-year-old yellow lab, is a mutant. Like many of her human redheaded counterparts, Carlee has a mutation in the MC1-R gene, or melanocortin 1 receptor. The gene is responsible for producing melanin, a pigment that determines hair, or in this case, coat color.

Nicolas Villarino with a chocolate lab, Katrina Mealey with a black lab, Michael Court with a yellow lab.