Source of fetal-stored lipids during maternal starvation in rabbits

Elphick, M.C.; Edson, J.L.; Lawlor, J.P.; Hull, D.

Biology of the Neonate 34(3-4): 146-149


ISSN/ISBN: 0006-3126
PMID: 737235
DOI: 10.1159/000241117
Accession: 041400818

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The effect of 48 h maternal starvation on the composition of fetal rabbit brown and white adipose tissue was examined. Compared with fed control rabbits, adipose tissue triglyceride fatty acids took on a composition more like that of maternal plasma free fatty acids (FFA), whose concentration more than doubled after 48 h starvation. It is concluded that maternal FFA contribution to the fetal lipids increases during starvation and certain fetal acids, in particular linoleic acid, may in the fed state be derived from maternal lipids other than the FFA.