Dec 5, 2008
Hermansky-Pudlak syndrome (HPS) is a rare inherited disorder of melanin production. Melanin is the pigment that gives color to the skin, hair, and eyes. A lack or decrease of pigment in the skin and eyes is called oculocutaneous albinism. HPS is a specific type of oculocutaneous albinism that also includes a bleeding tendency and the storage of ceroid, the byproduct of cell membrane breakdown, in the body's cells.
In 1959, Drs. F. Hermansky and P. Pudlak reported two unrelated people with oculocutaneous albinism who had lifelong bleeding problems. The female died at age 33, and at that time large amounts of pigment were discovered in the walls of her small blood vessels.
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