Living with Charcot-Marie-Tooth disease axonal type 2U
A rare inherited nerve condition that begins in late adulthood with slowly worsening weakness and loss of feeling.
Understanding Charcot-Marie-Tooth disease axonal type 2U
It causes slowly worsening weakness and wasting in the hands and in the upper and lower legs, with loss of feeling in the arms and legs. Reflexes are reduced. Nerve pain has also been linked to it.
Signs & symptoms
Symptoms vary from person to person. GARD lists these among the most common:
- Weakness in the hands and feet
- Wasting of hand muscles
- Loss of feeling in the hands and feet
- High-stepping walk (steppage gait)
- Trouble walking
- Nerve damage (peripheral axonal neuropathy)
Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.
Diagnosis
- 1Talk with your doctor
Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.
- 2See a specialist
Specialists who may be involved include brain and nervous system specialists and genetic specialists.
- 3Consider genetic testing
Changes in MARS1 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.
- 4Connect with expert centers
The Foundation for Peripheral Neuropathy may keep lists of experts for this condition.
Care & treatment
- Care team
- Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
- Expert care
- Expert lists: The Foundation for Peripheral Neuropathy
- Treatment
- GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
- Research
- Clinical trials and observational studies may be options. See the research section below.
General information, not medical advice. Your care team makes the decisions.
Everyday life
Living with a rare condition is easier with support.
- Connect with CMT Research Foundation and other patient organizations
- Keep notes on symptoms, changes and questions for appointments
- Ask about patient registries that help research
- Look into financial aid and travel resources for care visits
Quick facts
Changes in the MARS1 gene cause this condition. It is inherited in an autosomal dominant way, so one changed copy of the gene can cause it.
Also known as: autosomal dominant axonal charcot-marie-tooth disease type 2u; autosomal dominant charcot-marie-tooth disease type 2 due to mars (methionyl-trna synthetase) mutation; autosomal dominant charcot-marie-tooth disease type 2 due to mars mutation; autosomal dominant charcot-marie-tooth disease type 2u; charcot-marie-tooth disease type 2 caused by mutation in mars; charcot-marie-tooth disease, axonal, autosomal dominant, type 2u
Patient organizations
- CMT Research FoundationCharcot-Marie-Tooth disease axonal type 2U · United States
- The Foundation for Peripheral NeuropathyPeripheral neuropathy · United States
- Neuropathy Action FoundationPeripheral neuropathy · United States
You are more than your diagnosis
Perspectives from people navigating life with Charcot-Marie-Tooth disease axonal type 2U.
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