Linked Life Data

10613777

Source:http://linkedlifedata.com/resource/pubmed/id/10613777

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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2000-1-21
pubmed:abstractText
To investigate the effect of a dietary oxidized oil on thyroid hormone status and circulating cholesterol, we conducted a study with 16 male miniature pigs fed a nutritionally adequate diet with 15% of either fresh or thermoxidized oil for 35 d (n = 8/group). The thermoxidized oil was prepared by heating sunflower oil at 110 degrees C for 48 h. The fresh oil consisted of a mixture of sunflower oil and lard (94:6, v/v) which had a fatty acid composition similar to the thermoxidized oil. At the end of the study, there were no differences in body weight gains and plasma clinicochemical variables between groups, suggesting that the thermoxidized oil did not induce general toxic symptoms. However, pigs fed the thermoxidized oil had significantly higher plasma concentrations of total and free thyroxine (P < 0.05) and a tendency for a higher plasma concentration of thyroid hormone-stimulating hormone (P < 0.1) than pigs fed the fresh oil. Additionally, pigs fed the thermoxidized oil had lower concentrations of cholesterol in plasma, LDL and HDL (P < 0.05). There were significant negative correlations between the plasma concentrations of total (r = -0.29) and free thyroxine (r = -0.40) and that of cholesterol (P < 0.05), suggesting that there is a causal relationship between the changes in thyroxine concentration and the reduction of plasma cholesterol. Our results indicate that there is a close relationship between alterations of thyroid hormone status and cholesterol metabolism in pigs fed a thermoxidized oil, and dietary oxidized fats should be considered in thyroid hormone disorders.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
0022-3166
pubmed:author
pubmed:issnType
Print
pubmed:volume
130
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
116-21
pubmed:dateRevised
2003-11-14
pubmed:meshHeading
pubmed:year
2000
pubmed:articleTitle
Plasma thyroxine and cholesterol concentrations of miniature pigs are influenced by thermally oxidized dietary lipids.
pubmed:affiliation
Forschungs- und Studienzentrum für Veredelungswirtschaft Weser/Ems, Georg-August-Universität Göttingen, D-49377 Vechta, Germany.
pubmed:publicationType
Journal Article