Hjv or Hamp-Related Hemochromatosis, also known as juvenile hemochromatosis, is related to hemochromatosis type 2 and hemochromatosis, type 2b. An important gene associated with Hjv or Hamp-Related Hemochromatosis is HAMP (Hepcidin Antimicrobial Peptide), and among its related pathways/superpathways are TAR syndrome and Iron metabolism disorders. Affiliated tissues include liver and pancreas, and related phenotypes are abnormality of iron homeostasis and congenital hepatic fibrosis