mtDNA
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An A to G point mutation
at position 3243 on the
Mitochondrial DNA
causes MELAS and MIDD.
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- Jargon

A-Z   A B C D E F G H I J K L M N O P Q R S T U V W X Y Z   A-Z

  Threshold

Carriers of mtDNA mutations, such as A3243G, may have no symptoms. This is because the Heteroplasmy level, or mutation load is below the Threshold level.

There appears to be a Threshold for certain tissue types, for a given mtDNA mutation.

For A3243G, it appears to be about 80%.

Related Abstracts - 1, 2, 3, 4.

See Also
Heteroplasmy


Author: Andy Collinson. Although I don't have any medical qualifications, as a sufferer of Diabetes, Deafness and Tinnitus caused by the A3243G mtDNA defect, I do have a very keen interest in the subject.

Date Page Updated: 25 April 2005


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