A hydrolyzed whey peptide-based diet ameliorates hepatic ischemia–reperfusion injury in the rat nonalcoholic fatty liver

Akira Nii; Tohru Utsunomiya; Mitsuo Shimada; Toru Ikegami; Hiroki Ishibashi; Satoru Imura; Yuji Morine; Tetsuya Ikemoto; Hajime Sasaki; Akihiro Kawashima

doi:10.1007/s00595-014-0853-0

A hydrolyzed whey peptide-based diet ameliorates hepatic ischemia–reperfusion injury in the rat nonalcoholic fatty liver

Akira Nii, Tohru Utsunomiya, Mitsuo Shimada, Toru Ikegami, Hiroki Ishibashi, Satoru Imura, Yuji Morine, Tetsuya Ikemoto, Hajime Sasaki, Akihiro Kawashima

Liver Surgery

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Purposes: The number of patients with nonalcoholic fatty liver disease (NAFLD) is increasing. Hepatic steatosis is a major risk factor for hepatic failure after ischemia–reperfusion (I/R) injury. Hydrolyzed whey peptide (HWP) is a functional liquid-type nutritional diet containing whey peptide, which has previously been shown to exert anti-inflammatory effects. In the present study, we examined the effects of HWP on the hepatic I/R injury in a rat NAFLD model.

Methods: Rats fed a methionine/choline-deficient diet for 4 weeks were divided into two groups after 30 min of whole liver ischemia. In Group-M, HWP was given immediately after reperfusion and every 6 h thereafter. In Group-C, the vehicle was given in the same manner. The liver function tests and microscopic findings of the liver after reperfusion were compared between the two groups.

Conclusion: The administration of a HWP diet ameliorated the hepatic I/R injury in rats with NAFLD.

Results: The serum transaminase levels in Group-M were significantly lower than those in Group-C after reperfusion. The gene expression levels of IL-6 and inducible nitric oxide synthase (iNOS) were significantly lower in Group-M compared to Group-C. The TNF-α and uncoupling protein-2 (UCP-2) expression levels were also markedly lower in Group-M. The hepatic necrotic areas in Group-M were significantly smaller than those in Group-C.

Original language	English
Pages (from-to)	2354-2360
Number of pages	7
Journal	Surgery today
Volume	44
Issue number	12
DOIs	https://doi.org/10.1007/s00595-014-0853-0
Publication status	Published - Dec 2014

All Science Journal Classification (ASJC) codes

Surgery

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10.1007/s00595-014-0853-0

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title = "A hydrolyzed whey peptide-based diet ameliorates hepatic ischemia–reperfusion injury in the rat nonalcoholic fatty liver",

abstract = "Purposes: The number of patients with nonalcoholic fatty liver disease (NAFLD) is increasing. Hepatic steatosis is a major risk factor for hepatic failure after ischemia–reperfusion (I/R) injury. Hydrolyzed whey peptide (HWP) is a functional liquid-type nutritional diet containing whey peptide, which has previously been shown to exert anti-inflammatory effects. In the present study, we examined the effects of HWP on the hepatic I/R injury in a rat NAFLD model.Methods: Rats fed a methionine/choline-deficient diet for 4 weeks were divided into two groups after 30 min of whole liver ischemia. In Group-M, HWP was given immediately after reperfusion and every 6 h thereafter. In Group-C, the vehicle was given in the same manner. The liver function tests and microscopic findings of the liver after reperfusion were compared between the two groups.Conclusion: The administration of a HWP diet ameliorated the hepatic I/R injury in rats with NAFLD.Results: The serum transaminase levels in Group-M were significantly lower than those in Group-C after reperfusion. The gene expression levels of IL-6 and inducible nitric oxide synthase (iNOS) were significantly lower in Group-M compared to Group-C. The TNF-α and uncoupling protein-2 (UCP-2) expression levels were also markedly lower in Group-M. The hepatic necrotic areas in Group-M were significantly smaller than those in Group-C.",

author = "Akira Nii and Tohru Utsunomiya and Mitsuo Shimada and Toru Ikegami and Hiroki Ishibashi and Satoru Imura and Yuji Morine and Tetsuya Ikemoto and Hajime Sasaki and Akihiro Kawashima",

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year = "2014",

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doi = "10.1007/s00595-014-0853-0",

language = "English",

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T1 - A hydrolyzed whey peptide-based diet ameliorates hepatic ischemia–reperfusion injury in the rat nonalcoholic fatty liver

AU - Nii, Akira

AU - Utsunomiya, Tohru

AU - Shimada, Mitsuo

AU - Ikegami, Toru

AU - Ishibashi, Hiroki

AU - Imura, Satoru

AU - Morine, Yuji

AU - Ikemoto, Tetsuya

AU - Sasaki, Hajime

AU - Kawashima, Akihiro

PY - 2014/12

Y1 - 2014/12

N2 - Purposes: The number of patients with nonalcoholic fatty liver disease (NAFLD) is increasing. Hepatic steatosis is a major risk factor for hepatic failure after ischemia–reperfusion (I/R) injury. Hydrolyzed whey peptide (HWP) is a functional liquid-type nutritional diet containing whey peptide, which has previously been shown to exert anti-inflammatory effects. In the present study, we examined the effects of HWP on the hepatic I/R injury in a rat NAFLD model.Methods: Rats fed a methionine/choline-deficient diet for 4 weeks were divided into two groups after 30 min of whole liver ischemia. In Group-M, HWP was given immediately after reperfusion and every 6 h thereafter. In Group-C, the vehicle was given in the same manner. The liver function tests and microscopic findings of the liver after reperfusion were compared between the two groups.Conclusion: The administration of a HWP diet ameliorated the hepatic I/R injury in rats with NAFLD.Results: The serum transaminase levels in Group-M were significantly lower than those in Group-C after reperfusion. The gene expression levels of IL-6 and inducible nitric oxide synthase (iNOS) were significantly lower in Group-M compared to Group-C. The TNF-α and uncoupling protein-2 (UCP-2) expression levels were also markedly lower in Group-M. The hepatic necrotic areas in Group-M were significantly smaller than those in Group-C.

AB - Purposes: The number of patients with nonalcoholic fatty liver disease (NAFLD) is increasing. Hepatic steatosis is a major risk factor for hepatic failure after ischemia–reperfusion (I/R) injury. Hydrolyzed whey peptide (HWP) is a functional liquid-type nutritional diet containing whey peptide, which has previously been shown to exert anti-inflammatory effects. In the present study, we examined the effects of HWP on the hepatic I/R injury in a rat NAFLD model.Methods: Rats fed a methionine/choline-deficient diet for 4 weeks were divided into two groups after 30 min of whole liver ischemia. In Group-M, HWP was given immediately after reperfusion and every 6 h thereafter. In Group-C, the vehicle was given in the same manner. The liver function tests and microscopic findings of the liver after reperfusion were compared between the two groups.Conclusion: The administration of a HWP diet ameliorated the hepatic I/R injury in rats with NAFLD.Results: The serum transaminase levels in Group-M were significantly lower than those in Group-C after reperfusion. The gene expression levels of IL-6 and inducible nitric oxide synthase (iNOS) were significantly lower in Group-M compared to Group-C. The TNF-α and uncoupling protein-2 (UCP-2) expression levels were also markedly lower in Group-M. The hepatic necrotic areas in Group-M were significantly smaller than those in Group-C.

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JO - Surgery Today

JF - Surgery Today

IS - 12

ER -

A hydrolyzed whey peptide-based diet ameliorates hepatic ischemia–reperfusion injury in the rat nonalcoholic fatty liver

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