Metabolic development in the liver and the implications of the n-3 fatty acid supply

Novak, Elizabeth M.; Keller, Bernd O.; Innis, Sheila M.

doi:10.1152/ajpgi.00189.2011

Cited by 25 publications

(15 citation statements)

References 51 publications

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“…As early as 1956, Mellinkoff et al found that a diet that contained very few short-chain saturated fats and relatively abundant long-chain unsaturated fats could significantly reduce Leu and Val and increase Pro, Cys, Arg and Asp in plasma [15]. Dietary fatty acids, particularly n-3 fatty acids, can spare AAs for protein and peptide synthesis [16]. On the contrary, AAs, especially those containing sulfur, can also modulate lipid metabolism [17].…”

Section: Discussionmentioning

confidence: 99%

Both Dietary Supplementation with Monosodium L-Glutamate and Fat Modify Circulating and Tissue Amino Acid Pools in Growing Pigs, but with Little Interactive Effect

Feng

Zhou

et al. 2014

PLoS ONE

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BackgroundThe Chinese population has undergone rapid transition to a high-fat diet. Furthermore, monosodium L-glutamate (MSG) is widely used as a daily food additive in China. Little information is available on the effects of oral MSG and dietary fat supplementation on the amino acid balance in tissues. The present study aimed to determine the effects of both dietary fat and MSG on amino acid metabolism in growing pigs, and to assess any possible interactions between these two nutrients.Methods and ResultsFour iso-nitrogenous and iso-caloric diets (basal diet, high fat diet, basal diet with 3% MSG and high fat diet with 3% MSG) were provided to growing pigs. The dietary supplementation with fat and MSG used alone and in combination were found to modify circulating and tissue amino acid pools in growing pigs. Both dietary fat and MSG modified the expression of gene related to amino acid transport in jejunum.ConclusionsBoth dietary fat and MSG clearly influenced amino acid content in tissues but in different ways. Both dietary fat and MSG enhance the absorption of amino acids in jejunum. However, there was little interaction between the effects of dietary fat and MSG.

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Section: Discussionmentioning

confidence: 99%

Both Dietary Supplementation with Monosodium L-Glutamate and Fat Modify Circulating and Tissue Amino Acid Pools in Growing Pigs, but with Little Interactive Effect

Feng

Zhou

et al. 2014

PLoS ONE

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“…Presently, omega-3 polyunsaturated fatty acids (n-3 PUFAs) and genistein have evidence to support their intake as part of preventative maternal prenatal nutrition. Novak et al43 performed a study whereby two groups of dams were fed the same total amount of dietary fat, but the composition of dietary fats differed between the groups. Each received different fats but both had the same total amount of dietary fat.…”

Section: Management Of Nafld: Prenatal and Postnatal Present And Futurementioning

confidence: 99%

A lipid-rich gestational diet predisposes offspring to nonalcoholic fatty liver disease: a potential sequence of events

Hughes

Oxford

2014

HMER

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Nonalcoholic fatty liver disease (NAFLD) is the hepatic manifestation of metabolic syndrome. It affects 20%–30% of the US population, and it is increasing worldwide. Recently, the role of lipid-rich maternal gestational nutrition in spurring the development of NAFLD among offspring has been indicated. Fetal predisposition to NAFLD involves numerous physiological reroutings that are initiated by increased delivery of nonesterified fatty acids to the fetal liver. Hampered β-oxidation, uncontrolled oxidative stress, increased triacylglycerol synthesis, and the endoplasmic reticulum unfolded protein response are all implicated in sculpting a hepatic phenotype with a propensity to develop NAFLD in the postnatal state. This review suggests a mechanism that integrates outcomes reported by a variety of studies conducted in an analysis of fetal hepatic metabolic capacity amid the maternal consumption of a high-fat diet. Potential preventive measures and therapies for use both as part of prenatal nutrition and for those at risk for the development of NAFLD are also discussed.

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“…The fatty acid (FA) composition of human breast milk (HM) is receiving increased attention, as the developmental and molecular functions of individual FA present within HM are increasingly understood in infant health [1-3]. FA have a multitude of structural, energetic, and bioactive functions [4], and postnatal FA excesses and deficiencies can influence responses to the nutrient and hormone milieu during development (cell division or differentiation).…”

Section: Introductionmentioning

confidence: 99%

Human Milk Fatty Acid Composition: Comparison of Novel Dried Milk Spot Versus Standard Liquid Extraction Methods

Rudolph

Young

Jackson³

et al. 2016

J Mammary Gland Biol Neoplasia

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Accurate assessment of the long chain polyunsaturated fatty acid (LC-PUFA) content of human milk (HM) provides a powerful means to evaluate the FA nutrient status of breastfed infants. The conventional standard for FA composition analysis of HM is liquid extraction, trans-methylation, and analyte detection resolved by gas chromatography. This standard approach requires fresh or frozen samples, storage in deep freeze, organic solvents, and specialized equipment in processing and analysis. Further, HM collection is often impractical for many studies in the free living environment, particularly for studies in developing countries. In the present study, we compare a novel and more practical approach to sample collection and processing that involves the spotting and drying ∼50 μL of HM on a specialized paper stored and transported at ambient temperatures until analysis. Deming regression indicated the two methods aligned very well for all LC-PUFA and the abundant HM FA. Additionally, strong correlations (r>0.85) were observed for DHA, ARA, EPA, linoleic (LA), and alpha-linolenic acids (ALA), which are of particular interest to the health of the developing infant. Taken together, our data suggest this more practical and inexpensive method of collection, storage, and transport of HM milk samples could dramatically facilitate studies of HM, as well as understanding its lipid composition influences on human health and development.

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Metabolic development in the liver and the implications of the n-3 fatty acid supply

Abstract: Novak EM, Keller BO, Innis SM. Metabolic development in the liver and the implications of the n-3 fatty acid supply.

Cited by 25 publications

References 51 publications

Both Dietary Supplementation with Monosodium L-Glutamate and Fat Modify Circulating and Tissue Amino Acid Pools in Growing Pigs, but with Little Interactive Effect

Both Dietary Supplementation with Monosodium L-Glutamate and Fat Modify Circulating and Tissue Amino Acid Pools in Growing Pigs, but with Little Interactive Effect

A lipid-rich gestational diet predisposes offspring to nonalcoholic fatty liver disease: a potential sequence of events

Human Milk Fatty Acid Composition: Comparison of Novel Dried Milk Spot Versus Standard Liquid Extraction Methods

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