Maternal dietary supplementation with saturated, but not monounsaturated or polyunsaturated fatty acids, leads to tissue-specific inhibition of offspring Na+,K+-ATPase

James Armitage, Sanjana Gupta, Caroline Woods, Runa I Jensen, Anne-Maj Samuelsson, William Fuller, Michael J Shattock, Lucilla Poston, Paul D Taylor

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Abstract

In rats, a maternal diet rich in lard is associated with reduced Na+, K+ATPase activity in adult offspring kidney. We have addressed the role of different fatty acids by evaluating Na+, K+ATPase activity in offspring of dams fed diets rich in saturated (SFA), monounsaturated (MUFA) or polyunsaturated (MUFAPUFA) fatty acids. Female Sprague-Dawley rats were fed, during pregnancy and suckling, a control diet (4 w/w corn oil) or a fatty acid supplemented diet (24 w/w). Offspring were reared on chow (4 PUFA) and studied at six months. mRNA expression (RTPCR) of Na+, K+ATPase a subunit and protein expression of Na+, K+ATPase subunits (Western blot) were assessed in kidney and brain. Na+, K+ATPase activity was reduced in kidney (P
Original languageEnglish
Pages (from-to)5013 - 5022
Number of pages10
JournalThe Journal of Physiology
Volume586
Issue number20
Publication statusPublished - 2008

Cite this

Armitage, J., Gupta, S., Woods, C., Jensen, R. I., Samuelsson, A-M., Fuller, W., Shattock, M. J., Poston, L., & Taylor, P. D. (2008). Maternal dietary supplementation with saturated, but not monounsaturated or polyunsaturated fatty acids, leads to tissue-specific inhibition of offspring Na+,K+-ATPase. The Journal of Physiology, 586(20), 5013 - 5022.