Renal involvement in mitochondrial cytopathies

Francesco Emma, Enrico Bertini, Leonardo Salviati, Giovanni Montini

Research output: Contribution to journalArticlepeer-review


Mitochondrial cytopathies constitute a group of rare diseases that are characterized by their frequent multisystemic involvement, extreme variability of phenotype and complex genetics. In children, renal involvement is frequent and probably underestimated. The most frequent renal symptom is a tubular defect that, in most severe forms, corresponds to a complete De Toni-Debré- Fanconi syndrome. Incomplete proximal tubular defects and other tubular diseases have also been reported. In rare cases, patients present with chronic tubulo-interstitial nephritis or cystic renal diseases. Finally, a group of patients develop primarily a glomerular disease. These patients correspond to sporadic case reports or can be classified into two major defects, namely 3243 A>G tRNA LEU mutations and coenzyme Q10 biosynthesis defects. The latter group is particularly important because it represents the only treatable renal mitochondrial defect. In this Educational Review, the principal characteristics of these diseases and the main diagnostic approaches are summarized.

Original languageEnglish
Pages (from-to)539-550
Number of pages12
JournalPediatric Nephrology
Issue number4
Publication statusPublished - Apr 2012


  • Coenzyme Q10
  • Mitochondria
  • Oxidative phosphorylations

ASJC Scopus subject areas

  • Nephrology
  • Pediatrics, Perinatology, and Child Health
  • Medicine(all)


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