ArticleThe journal of gene medicine2008
Recombinant adeno-associated virus-mediated gene delivery of long chain acyl coenzyme A dehydrogenase (LCAD) into LCAD-deficient mice.
Article in The journal of gene medicine, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 8 citations in OpenAlex.
- A review of fatty acid oxidation disorder mouse models.Molecular genetics and metabolism · 2024Review
- Adeno-associated virus-mediated gene therapy for metabolic myopathy.Human gene therapy · 2013Review
- Long-term correction of very long-chain acyl-coA dehydrogenase deficiency in mice using AAV9 gene therapy.Molecular therapy : the journal of the American Society of Gene Therapy · 2012Article
- Biochemical correction of very long-chain acyl-CoA dehydrogenase deficiency following adeno-associated virus gene therapy.Molecular therapy : the journal of the American Society of Gene Therapy · 2009Article
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Authors and funding
8 authors at 5 institutions in 1 country.
Funding
Abstract
backgroundVery long chain acyl coenzyme A (CoA) dehydrogenase (VLCAD) deficiency is a relatively common mitochondrial beta-oxidation disorder. The most severe form of VLCAD deficiency presents with neonatal cardiomyopathy and hepatic failure and is generally fatal within the first year of life. Mice deficient for long chain acyl CoA dehydrogenase (LCAD) closely resemble the clinical syndrome observed in VLCAD-deficient humans. Recombinant adeno-associated viral (rAAV) vectors with pseudotype capsids were investigated for their potential towards correcting the phenotype observed in mice heterozygous (+/-) for LCAD (i.e. liver and muscle steatosis).
methodsrAAV containing the mouse LCAD cDNA (mLCAD) under the transcriptional control of the CMV/chicken beta-actin hybrid promoter were injected intramuscularly into the tibialis anterior (TA) muscle of LCAD(+/-) mice or injected into the portal vein to transduce hepatocytes.
resultsTen weeks post-injection of rAAV1-mLCAD into the TA muscle, significantly increased levels of mLCAD within mitochondria were demonstrated by immunostaining of TA sections, immunoblotting of mitochondrial isolates and by the electron transfer flavoprotein (ETF) fluorescence reduction enzyme activity assay. Magnetic resonance spectroscopy of vector-injected TA muscle demonstrated a reduction in the lipid content compared to phosphate-buffered saline-injected mice, whereas a systemic effect was observed as a reduction in liver macrosteatosis. Eight weeks after portal vein injection of rAAV8-mLCAD into LCAD(+/-) mice, increased levels of mLCAD within hepatocyte mitochondria were demonstrated by immunostaining and also by the ETF assay. Scoring of the hepatosteatosis observed in partially deficient LCAD mice indicated a reduction in the lipid content within livers of vector-treated mice.
conclusionsThese studies show that rAAV-mediated delivery of mLCAD was efficient and led to an amelioration of local and systemic pathologies observed in partially deficient LCAD mice.
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