Fish oil enhances macrophage tumor necrosis factor-alpha mRNA expression at the transcriptional level

Chang, Huilan; Arsenijevic, Denis; Vladoianu, I. R.; Girardier, L; Dulloo, Abdul G.

doi:10.1016/0026-0495(95)90196-5

Cited by 20 publications

(8 citation statements)

References 15 publications

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“…The digestive systems of herbivorous and carnivorous species have documented differences in anatomy, enzyme concentrations and intestinal nutrient absorption (Ferraris & Ahearn 1983;Buddington et al 1987). The enzyme activity results from a synthesis of the enzyme protein (Thoenen et al 1971), which is related to the gene transcription and translation (Chang et al 1995). Results of the current study demonstrated that mRNA levels of trypsin, lipase and amylase in hepatopancreas followed a similar pattern of their respective enzyme activity changes.…”

Section: Discussionmentioning

confidence: 52%

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Effects of lysine and methionine supplementation on growth, body composition and digestive function of grass carp (Ctenopharyngodon idella) fed plant protein diets using high-level canola meal

Jiang

Zhou

et al. 2015

Aquacult Nutr

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A 76-day feeding trial was carried out to evaluate the effects of Lysine and Methionine supplementation on growth and digestive capacity of grass carp (Ctenopharyngodon idella) fed plant protein diets using high-level canola meal (CM). Fish with initial average weight 103.9 AE 0.6 g were fed three extruded diets. Fish meal (FM) diet was formulated as the normal control with 40 g kg À1 FM and 300 g kg À1 CM; CM diet was prepared by replacing all FM with CM (total 340 g kg À1 ) without Lys or Met supplementation; CM supplement (CMS) diet was similar to CM diet but was supplemented with essential amino acids (EAA) to ensure the levels of Lys and Met similar to those in the FM diet. Feed intake, feed efficiency and specific growth rate of the grass carp fed CMS and FM diets were similar (P > 0.05), but higher than those of the grass carp fed CM diet (P < 0.05). The hepatosomatic index, relative gut length, intestosomatic index and intestinal folds height were significantly improved in fish fed FM and CMS diets as compared to CM diet (P < 0.05). Lower activities of trypsin, lipase and amylase in hepatopancreas were observed in fish fed CM diet (P < 0.05). Three hundred and forty gram per kilogram CM without Lys or Met supplementation significantly decreased trypsin, lipase and amylase mRNA levels in hepatopancreas (P < 0.05). These results indicated that the high supply of CM (340 g kg À1 ) in plant protein (200 g kg À1 soybean meal and 100 g kg À1 cottonseed meal) diets decreased digestive ability through decreasing digestive enzyme activities and enzyme gene's expressions of grass carp, and these side effects can be reversed by supplementing Lys and Met. Therefore, CM could be high level used in a plant protein blend-based extruded diet for grass carp as long as EAA were supplemented.

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Section: Discussionmentioning

confidence: 52%

“…), which is related to the gene transcription and translation (Chang et al . ). Results of the current study demonstrated that mRNA levels of trypsin, lipase and amylase in hepatopancreas followed a similar pattern of their respective enzyme activity changes.…”

Section: Discussionmentioning

confidence: 97%

Effects of lysine and methionine supplementation on growth, body composition and digestive function of grass carp (Ctenopharyngodon idella) fed plant protein diets using high-level canola meal

Jiang

Zhou

et al. 2015

Aquacult Nutr

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“…Dietary fat consumption can modify inflammation due to alterations in eicosanoid synthesis, including leukotrienes and prostaglandins . Dietary fat intake affects cell membrane composition, which can induce changes in gene expression . Furthermore, fatty acids can activate innate immune receptors such as toll‐like receptors, leading to the altered activity of transcription factors such as NF‐kB.…”

Section: Discussionmentioning

confidence: 99%

Investigation of the association between dietary intake, disease severity and airway inflammation in asthma

et al. 2013

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Background and objective: Dietary intake is an important modifiable risk factor for asthma and may be related to disease severity and inflammation, through the effects of intake of anti-oxidant-rich foods and pro-inflammatory nutrients. This study aimed to examine dietary intake in asthma in relation to asthma severity, lung function, inhaled corticosteroid use, leptin levels and inflammation. Methods: Food frequency questionnaires, spirometry and hypertonic saline challenge were completed by 137 stable asthmatics and 65 healthy controls. Plasma leptin was analysed by immunoassay. Induced sputum differential cell counts were determined. Results: Subjects with severe persistent asthma consumed more fat and less fibre as compared with healthy controls (odds ratio 1.04 (95% confidence interval: 1.01-1.07), P = 0.014) (odds ratio 0.94 (95% confidence interval: 0.90-0.99), P = 0.018). Among asthmatics, higher fat and lower fibre intakes were associated with lower forced expiratory volume in 1 s and airway eosinophilia. Leptin levels were increased in both male and female asthmatics as compared with healthy controls. No association existed among asthmatics between corticosteroid use and dietary intake. Conclusions: It was found that asthmatics within the subgroup of severe persistent asthma have a different pattern of dietary intake as compared with healthy controls, which was associated with lower lung function and increased airway inflammation.

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“…The expression of SAA increases 30-to 500-fold in response to tissue damage and inflammation [102][103][104], whereas DHA treatments increase SAA expression only two-to fivefold in hepatocytes and adipocytes [10,35,60]. The IL-6 and TNF-α expressions increase two-to five-fold upon the treatment of macrophages with n-3 PUFA [57,105], whereas an acute inflammation response increases the expression of these cytokines to 50-fold [98,99].…”

Section: Anti-vs Pro-inflammatory Responsesmentioning

confidence: 99%

N-3 polyunsaturated fatty acids regulate lipid metabolism through several inflammation mediators: mechanisms and implications for obesity prevention

Tai

Ding

2010

The Journal of Nutritional Biochemistry

105

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Fish oil enhances macrophage tumor necrosis factor-alpha mRNA expression at the transcriptional level

Cited by 20 publications

References 15 publications

Effects of lysine and methionine supplementation on growth, body composition and digestive function of grass carp (Ctenopharyngodon idella) fed plant protein diets using high-level canola meal

Effects of lysine and methionine supplementation on growth, body composition and digestive function of grass carp (Ctenopharyngodon idella) fed plant protein diets using high-level canola meal

Investigation of the association between dietary intake, disease severity and airway inflammation in asthma

N-3 polyunsaturated fatty acids regulate lipid metabolism through several inflammation mediators: mechanisms and implications for obesity prevention

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