Defective lipid metabolism in neurodegeneration with brain iron accumulation (NBIA) syndromes: not only a matter of iron

Cristina Colombelli, Manar Aoun, Valeria Tiranti

Research output: Contribution to journalArticle

Abstract

Neurodegeneration with brain iron accumulation (NBIA) is a group of devastating and life threatening rare diseases. Adult and early-onset NBIA syndromes are inherited as X-chromosomal, autosomal dominant or recessive traits and several genes have been identified as responsible for these disorders. Among the identified disease genes, only two code for proteins directly involved in iron metabolism while the remaining NBIA genes encode proteins with a wide variety of functions ranging from fatty acid metabolism and autophagy to still unknown activities. It is becoming increasingly evident that many neurodegenerative diseases are associated with metabolic dysfunction that often involves altered lipid metabolism. This is not surprising since neurons have a peculiar and heterogeneous lipid composition critical for the development and correct functioning of the nervous system. This review will focus on specific NBIA forms, namely PKAN, CoPAN, PLAN, FAHN and MPAN, which display an interesting link between neurodegeneration and alteration of phospholipids and sphingolipids metabolism, mitochondrial morphology and membrane remodelling.

Original languageEnglish
Pages (from-to)123-136
Number of pages14
JournalJournal of Inherited Metabolic Disease
Volume38
Issue number1
DOIs
Publication statusPublished - 2014

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Lipid Metabolism
Iron
Sphingolipids
Autophagy
Mitochondrial Membranes
Rare Diseases
Neurodegenerative Diseases
Nervous System
Genes
Phospholipids
Proteins
Fatty Acids
Lipids
Neurons
Neurodegeneration with brain iron accumulation (NBIA)

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics

Cite this

Defective lipid metabolism in neurodegeneration with brain iron accumulation (NBIA) syndromes : not only a matter of iron. / Colombelli, Cristina; Aoun, Manar; Tiranti, Valeria.

In: Journal of Inherited Metabolic Disease, Vol. 38, No. 1, 2014, p. 123-136.

Research output: Contribution to journalArticle

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