1. Agoutis have banded hairs because their melanocyte-stimulating hormones are competing with their agouti signaling peptide

2. Lyme Biotoxins also undermine the making of MSH (melanocyte-stimulating hormone), which according to Dr

3. Leptin works by inhibiting the activity of neurons that contain neuropeptide Y (NPY) and agouti-related peptide (AgRP), and by increasing the activity of neurons expressing α-melanocyte-stimulating hormone (α-MSH).

4. Ultrastructural findings in achromic skin are similar in both conditions. But in achromia with malignant melanoma, melanocyte abnormalities are also present in normal skin and the role of immunological factors is discussed.