Effects of various dietary fats on cardiolipin acyl composition during ontogeny of mice

Alvin Berger, M. Eric Gershwin, J. Bruce German

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Cardiolipin (CL) is a unique mitochondrial phospholipid, containing up to 85 wt% 18:2n-6 in mammals. The influence of maternal dietary fatty acids on the acyl composition of offspring CL has not been examined previously. Adult female mice were thus fed diets rich in 18:1n-9 (olive oil), 18:2n-6 (safflower oil), 18:3n-3 (linseed oil) or 20:5n-3 and 22:6n-3 (fish oil/safflower, 9:1, w/w), for a five month period, encompassing two breeding cycles. Offspring from the second breeding cycle were then fed these diets. The acyl composition of CL, phosphatidylcholine and phosphatidylethanolamine from liver and heart was evaluated from mice killed 3, 18 and 42 days after parturition. The primary nutrient sources at these three time points were transplacental nutrients, breast milk and the diet, respectively. Maternal diet was found to influence the acyl composition of CL via both placental transfer of fatty acids and breast milk. Fish oil feeding resulted in replacement of a substantial portion of 18:2n-6 with 22:6n-3; after 42 days, the area% of 18:2n-6 in heart CL was reduced from 62% in safflower oil fed mice to 12%. In comparison to fish oil feeding, linseed oil feeding resulted in a much lower accumulation of 22:6n-3. Olive oil feeding resulted in substantial replacement of 18:2n-6 with 18:1n-9 (18:2n-6 was reduced from 62% to 31%). Physiologically, these findings are relevant because changes in CL acyl composition may influence the activity of associated inner mitochondrial membrane enzymes.

Original languageEnglish (US)
Pages (from-to)605-612
Number of pages8
JournalLipids
Volume27
Issue number8
DOIs
StatePublished - Aug 1992

Fingerprint

Cardiolipins
cardiolipins
Dietary Fats
dietary fat
ontogeny
Nutrition
Fish Oils
mice
Chemical analysis
fish oils
Linseed Oil
Safflower Oil
Diet
safflower oil
linseed oil
Human Milk
breast milk
olive oil
Nutrients
Breeding

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Biochemistry
  • Biochemistry, Genetics and Molecular Biology(all)
  • Food Science
  • Organic Chemistry
  • Cell Biology

Cite this

Effects of various dietary fats on cardiolipin acyl composition during ontogeny of mice. / Berger, Alvin; Gershwin, M. Eric; German, J. Bruce.

In: Lipids, Vol. 27, No. 8, 08.1992, p. 605-612.

Research output: Contribution to journalArticle

Berger, Alvin ; Gershwin, M. Eric ; German, J. Bruce. / Effects of various dietary fats on cardiolipin acyl composition during ontogeny of mice. In: Lipids. 1992 ; Vol. 27, No. 8. pp. 605-612.
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