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Diseases

Genetic and Rare Diseases Information Center (GARD)

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Maternally inherited diabetes and deafness


Other Names for this Disease

  • Ballinger Wallace syndrome
  • Diabetes and deafness, maternally inherited
  • Diabetes mellitus type II with deafness
  • Diabetes-deafness syndrome, maternally transmitted
  • MIDD
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Inheritance

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How do people inherit MIDD?

MIDD is inherited in a mitochondrial pattern, which is also known as maternal inheritance. This pattern of inheritance applies to genes contained in mitochondrial DNA. Because egg cells, but not sperm cells, contribute mitochondria to the developing embryo, only females pass mitochondrial conditions to their children. Mitochondrial disorders can appear in every generation of a family and can affect both males and females, but fathers do not pass mitochondrial traits to their children.[1]

Most of the body's cells contain thousands of mitochondria, each with one or more copies of mitochondrial DNA. These cells can have a mix of mitochondria containing mutated and unmutated DNA (heteroplasmy). The severity of MIDD is thought to be associated with the percentage of mitochondria with the mitochondrial DNA mutation.[1]

Last updated: 2/20/2014

References
  1. Maternally inherited diabetes and deafness. Genetics Home Reference (GHR). October 2012; http://ghr.nlm.nih.gov/condition/maternally-inherited-diabetes-and-deafness. Accessed 2/20/2014.


Other Names for this Disease
  • Ballinger Wallace syndrome
  • Diabetes and deafness, maternally inherited
  • Diabetes mellitus type II with deafness
  • Diabetes-deafness syndrome, maternally transmitted
  • MIDD
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.