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Liver-protecting Effect of Maple Syrup

ABSTRACT: Rats fed a 20%-maple syrup diet (maple syrup group) for 11 days showed significantly lower values of the hepatic function markers than those fed a 20%-sugar mix syrup diet (control) likewise. One reasons was suggested by DNA microarray analysis which revealed that the expression of genes for enzymes of ammonia production were down-regulated in the liver of maple syrup group.

ORGANISM(S): Rattus norvegicus

PROVIDER: GSE30532 | GEO | 2011/09/01

SECONDARY ACCESSION(S): PRJNA143313

REPOSITORIES: GEO

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Liver-protecting Effect of Maple Syrup

Project description:Rats fed a 20%-maple syrup diet (maple syrup group) for 11 days showed significantly lower values of the hepatic function markers than those fed a 20%-sugar mix syrup diet (control) likewise. One reasons was suggested by DNA microarray analysis which revealed that the expression of genes for enzymes of ammonia production were down-regulated in the liver of maple syrup group. Rats were quarantined and conditioned by administration of the authentic AIN93G diet for 4 days. Rats had free access to the diet and drinking water during this preliminary feeding. For feeding tests, they were dichotomized (n = 7 and 8) for maple syrup and sugar mix syrup group, respectively, and then fed for 11 days on either the AIN93G diet containing 20% maple syrup or on the 20% sugar mix syrup with a similar sugar composition; the amount of maple syrup or the sugar mix syrup was arranged. Rats in both diet groups were fasted for 16 hours, prior to being anesthetically sacrificed for dissection.

2011-08-31 | E-GEOD-30532 | biostudies-arrayexpress

Effect of maple syrup extract on the liver of mice fed a high-fat diet

Project description:The effects of the administration of maple syrup extract (MSX) on hepatic gene expression were investigated in mice fed high-fat diet. Male C57BL/6J mice aged 3 weeks were purchased from Charles River Japan (Kanagawa, Japan) and housed in a room maintained at 23 ± 1°C and 49 ± 16% humidity with a 12-h light/dark cycle (light 08:00–20:00; dark 20:00–08:00). For 1 week acclimation period after purchase, all the mice were fed a low-fat diet (10 kcal% fat). Then, they were randomly divided into three different dietary groups: the first group with the food containing fat at 10 kcal% as low-fat diet, the second group with 45 kcal% as high-fat diet, and the third with HFD plus 0.06% MSX. The mice were fed ad libitum for 8 weeks.

2015-04-30 | E-GEOD-65667 | biostudies-arrayexpress

Effect of maple syrup extract on the liver of mice fed a high-fat diet

Project description:The effects of the administration of maple syrup extract (MSX) on hepatic gene expression were investigated in mice fed high-fat diet.

2015-04-30 | GSE65667 | GEO

Effect of maple syrup extract high on the liver of mice fed a high-fat diet [I]

Project description:The effects of the administration of maple syrup extract (MSXH) on hepatic gene expression were investigated in mice fed high-fat diet.

2016-09-12 | GSE80626 | GEO

Effect of maple syrup extract high on the liver of mice fed a high-fat diet [III]

Project description:The effects of the administration of maple syrup extract (MSXH) on hepatic gene expression were investigated in mice fed high-fat diet.

2016-09-12 | GSE80628 | GEO

Effect of maple syrup extract high on the liver of mice fed a high-fat diet [II]

Project description:The effects of the administration of maple syrup extract (MSXH) on hepatic gene expression were investigated in mice fed high-fat diet.

2016-09-12 | GSE80627 | GEO

A maple syrup extract alleviates liver injury in type 2 diabetic model mice

Project description:A recent study showed that 54% of type 2 diabetes (T2D) patients have nonalcoholic fatty liver disease, which is a risk factor for aggravation diabetic symptoms. Previous studies suggested components in maple syrup alleviated liver injury and found polyphenols as food components to improve the symptoms and complications of diabetes. Therefore, we hypothesized that a polyphenol fraction in maple syrup improves the symptoms and complications of diabetes. To address the hypothesis, we investigated the effects of a polyphenol-rich maple syrup extract (MSE) on a T2D model mice. KK-Ay mice were fed a normal or 0.1% MSE-supplemented diet for 43 days. The results showed that the levels of serum alanine aminotransferase and aspartate aminotransferase were significantly reduced in mice that ingested MSE. Hepatic genes related to lipogenesis and lipolysis were down- and upregulated, respectively, in mice that ingested MSE. These results suggest that MSE intake alleviates liver injury and suppresses lipid accumulation in the livers of T2D mice.

2020-01-13 | GSE134185 | GEO

A maple syrup extract alters lipid metabolism in obese type 2 diabetic model mice [adipose]

Project description:Some polyphenols are known to improve the symptoms of diabetes. In the present study, we investigated the effects of a polyphenol-rich extract of maple syrup (MSx) on a diabetic mouse model. KK-Ay mice were fed a normal or 0.05% MSx-supplemented diet for 42 days. Body weight, food intake, serum biochemical parameters, and fecal total bile acid were measured. Gene expression of liver and epididymal white adipose tissue (WAT) and cecal microbiota were analyzed. Data were analyzed with an unpaired two-tailed Student’s t test or Welch’s t test according to the results of the F test. Serum low-density lipoprotein cholesterol levels were significantly reduced in mice that consumed MSx. Hepatic genes related to fatty acid degradation and cholesterol catabolism were upregulated in mice that consumed MSx. In contrast, the expression of genes related to lipid metabolism in WAT was unaffected by the intake of MSx. There were no significant differences between the two groups in terms of total bile acid level in the feces and the relative abundance of bacteria in the cecum. Our results primarily indicate that MSx can help alleviate one of the symptoms of dyslipidemia.

2019-12-17 | GSE112687 | GEO

A maple syrup extract alters lipid metabolism in obese type 2 diabetic model mice [liver]

2019-12-17 | GSE112603 | GEO

Effects of a food grade, phenol-enriched maple syrup extract on hippocampus and hepatic tissue from diet-induced obese C57BL/6 mice.

Project description:Introduction: Diet-induced obesity is associated with hepatic lipid accumulation, increased circulating levels of endotoxin, and chronic low grade inflammation. Hepatic lipid accumulation and resulting non-alcoholic fatty liver disease (NAFLD) can exacerbate systemic inflammation further contributing to neurodegenerative effects. Maple Syrup Extract (MSX), could be a potential source of beneficial phytonutrients capable of mitigating these adverse inflammatory processes from occurring. Methods: A pilot scale diet-induced obesity study with male C57BL/6 mice fed either a standard diet (10% kcal from fat) or a high fat diet (45% kcal from fat) with or without MSX at a dose of 0.5% w/w incorporated into feed for 12 weeks. Livers and whole hippocampi were excised for multiplex gene expression analysis of inflammatory, fatty liver, and neurodegenerative disease associated genes. Livers were scored for lipid accumulation and lipid moieties were quantified. Results: In hepatic tissue, MSX protected against lipid accumulation and inflammatory progression. MSX supplementation significantly reduced lipid accumulation scores as well as gene expression of lipid uptake, storage, and inflammatory associated genes. In the hippocampus, MSX supplementation in HFD feed significantly reduced the gene expression of pro-inflammatory, death receptor ligands, anti-oxidant response enzymes, macrophage receptors, and leptin receptor. Conclusions: In the liver, MSX prevents gross hepatic lipid accumulation and suppresses both pro-inflammatory and lipid storage associated genes. In the hippocampus, MSX may act on pro-inflammatory gene expression but TNF mediated death receptor pathways in addition to modulating leptin receptor signaling.

2019-05-21 | GSE131495 | GEO

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