Linked Life Data

17160563

Source:http://linkedlifedata.com/resource/pubmed/id/17160563

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2007-1-19
pubmed:databankReference
pubmed:abstractText
An increasing number of fatty acid oxidation defects are being detected owing to diagnostic improvements and a greater awareness among clinicians. The metabolic block leads to energy disruption, fatty infiltration, and toxic effects on organ functions exerted by beta-oxidation metabolites. This investigation was undertaken to assess the influence of long-chain 3-hydroxyacyl-CoA dehydrogenase (LCHAD) deficiency on lipolysis and energy turnover. We addressed the question whether the lipolysis and glucose production rates would be altered in the fasting state in a child with this disease. Lipolysis, glucose production and resting energy expenditure (REE) were studied in a 17-month-old girl with LCHAD deficiency and her healthy twin sister. Lipolysis and glucose production were determined after a 4-6 h fast by constant-rate infusion of [1,1,2,3,3-(2)H(5)]glycerol and [6,6-(2)H(2)]glucose and analysis by gas chromatography-mass spectrometry. REE was estimated by indirect calorimetry. The affected girl showed 50% higher lipolysis than did her sister, whereas the glucose production rates were similar. Plasma levels of dicarboxylic acids of 6-12 carbon atoms chain length, 3-hydroxy fatty acids of 6-18 carbon atoms chain length, total free fatty acids, and acylcarnitines were increased in the patient, as was REE. Since glucose production rates and plasma glucose levels were similar in the two girls, the increased lipolysis observed in the patient probably represents a compensatory mechanism for energy generation. This is achieved at the price of an augmented risk for fatty acid infiltration and toxic effects of beta-oxidation intermediates. This highlights the importance of avoiding fasting in these patients.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
1573-2665
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
30
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
39-46
pubmed:dateRevised
2007-3-21
pubmed:meshHeading
pubmed:year
2007
pubmed:articleTitle
Increased lipolysis in LCHAD deficiency.
pubmed:affiliation
Department of Women's and Children's Health, University Children's Hospital, SE-751 85, Uppsala, Sweden. maria.halldin@kbh.uu.se
pubmed:publicationType
Journal Article, Case Reports, Research Support, Non-U.S. Gov't