Menkes Syndrome

Definition

Menkes syndrome is an inherited genetic disorder due to an abnormal gene, ATP7A. Menkes syndrome causes impaired copper absorption. This results in changes in the arteries and deterioration of the brain.

Menkes syndrome is rare. It occurs in 1 out of every 50,000-100,000 births. It affects primarily males. Most children born with Menkes syndrome have a life expectancy of 3 to 5 years.

Causes

Copper proteins are necessary for the body to build bone, nerves, and other tissue. Babies with Menkes syndrome have a genetic disorder that prevents the absorption of copper from the intestines and causes it to build up in excess amounts in the kidney, while remaining deficient in the liver and brain. This causes changes in the hair, brain, bones, liver, and arteries.

Risk Factors

Factors that increase your chance of getting Menkes syndrome include:

  • Sex: male
  • Family members with Menkes syndrome

Symptoms

Children with Menkes are often born prematurely. Symptoms usually begin within three months after birth and may include:

  • Seizures
  • Difficulty feeding
  • Developmental delays
  • Floppy muscle tone
Osteoporosis—Weakened Bone Matrix
Osteoporosis
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Babies with Menkes syndrome often exhibit the following physical characteristics:

  • Hair that is stubby, tangled, sparse, lacking in color, and easily broken
  • Chubby, rosy cheeks
  • Flattened bridge of the nose
  • Face lacking in expression

Diagnosis

The following tests may be done to diagnose Menkes syndrome:

  • X-ray of the skull and skeleton to look for abnormalities in bone formation
  • Blood tests to measure copper levels

Treatment

There is no cure for Menkes syndrome. Early treatment with IV copper acetate, oral copper supplements, or injections of copper histidinate may provide temporary benefit. Other treatments may be used to relieve symptoms.

Prevention

There is no known way to prevent Menkes syndrome. If you have a family history of the disorder, you can talk to a genetic counselor when deciding whether to have children.

Revisions

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