D2I2.
genetic

Hunter syndrome

Hunter , or mucopolysaccharidosis type II, is a rare inherited storage disease in which large sugar molecules called glycosaminoglycans build up in body . Hunter syndrome is caused by a of the lysosomal iduronate-2-sulfatase (I2S). The lack of this enzyme causes heparan sulfate and dermatan sulfate to accumulate in all body tissues. Hunter syndrome is the only MPS syndrome to exhibit inheritance.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

  • · abnormalities, hearing loss, , enlarged liver and

Causes — why it happens

  • ·Defiency of the iduronate-2-sulfatase

Complications

  • ·Upper disease; failure

Outlook

  • ·In severe cases, death usually occurs by age 15. In attenuated cases, patients may survive into their 50s
Plain-language summary adapted from Wikipedia. Not medical advice.