Zhang et al., "Mutations in
ABCB6 cause dyschromatosis universalis hereditaria," Journal of Investigative Dermatology, vol.
Oruganti, and P Krishnamurthy, "The ATP-binding cassette transporter
ABCB6 is induced by arsenic and protects against arsenic cytotoxicity," Toxicological Sciences, vol.
DUH is caused by heterozygous mutations in
ABCB6 gene, while DSH is caused by mutations in ADAR1 gene .
Ballif identified the two molecules as specialized transport proteins named
ABCB6 and ABCG2.