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Maternally-inherited diabetes with deafness (MIDD) and hyporeninemic hypoaldosteronism
Patricia B Mory1, Marcia C dos Santos, Claudio E Kater
1Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
Abstract:
Maternally-inherited diabetes with deafness (MIDD) is a rare form of monogenic diabetes that results, in most cases, from an A-to-G transition at position 3243 of mitochondrial DNA (m.3243A>G) in the mitochondrial-encoded tRNA leucine (UUA/G) gene. As the name suggests, this condition is characterized by maternally-inherited diabetes and bilateral neurosensory hearing impairment. A characteristic of mitochondrial cytopathies is the progressive multisystemic involvement with the development of more symptoms during the course of the disease. We report here the case of a patient with MIDD who developed hyporeninemic hypoaldosteronism.
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