Disorder of manganese transport

Disorder of manganese transport is a very rare genetic condition that affects how the body handles manganese, an essential trace mineral. Manganese is needed in small amounts for normal brain development, bone health, and many enzyme functions. However, when the body cannot properly transport or regulate manganese levels, it can build up to toxic levels in certain organs, especially the brain, or in some cases be deficient. This group of conditions is sometimes referred to as manganese transporter deficiency or hypermanganesemia with dystonia. Patients may develop progressive movement problems (dystonia), liver disease, and changes visible on brain MRI scans, particularly in a region called the basal ganglia. Symptoms often begin in childhood and can include difficulty walking, involuntary muscle contractions, tremors, and speech problems. Some forms also cause a blood disorder called polycythemia, where the body makes too many red blood cells. Treatment focuses on reducing manganese levels in the body through chelation therapy (medications that bind and remove excess metals) and dietary management. Early diagnosis and treatment can help slow progression, but there is currently no cure. Because this is an extremely rare condition, management is best guided by specialists experienced in metabolic and neurological disorders.

Bring these to your next appointment

• Q1.Which specific gene mutation does my child or I have, and what does it mean for the disease course?,How often should blood manganese levels and brain MRI scans be checked?,What chelation therapy options are available, and what are the potential side effects?,Are there specific foods or supplements I should avoid or include in the diet?,What therapies (physical, occupational, speech) would be most helpful right now?,Are there any clinical trials or new treatments being studied for this condition?,What signs should prompt me to seek emergency medical care?

Common questions about Disorder of manganese transport