RRC ID 37581
著者 Ayabe T, Mizushige T, Ota W, Kawabata F, Hayamizu K, Han L, Tsuji T, Kanamoto R, Ohinata K.
タイトル A novel Alaska pollack-derived peptide, which increases glucose uptake in skeletal muscle cells, lowers the blood glucose level in diabetic mice.
ジャーナル Food Funct
Abstract We found that the tryptic digest of Alaska pollack protein exhibits a glucose-lowering effect in KK-Ay mice, a type II diabetic model. We then searched for glucose-lowering peptides in the digest. Ala-Asn-Gly-Glu-Val-Ala-Gln-Trp-Arg (ANGEVAQWR) was identified from a peak of the HPLC fraction selected based on the glucose-lowering activity in an insulin resistance test using ddY mice. ANGEVAQWR (3 mg kg(-1)) decreased the blood glucose level after intraperitoneal administration. Among its fragment peptides, the C-terminal tripeptide, Gln-Trp-Arg (QWR, 1 mg kg(-1)), lowered the blood glucose level, suggesting that the C-terminal is critical for glucose-lowering activity. QWR also enhanced glucose uptake into C2C12, a mouse skeletal muscle cell line. QWR did not induce the phosphorylation of serine/threonine protein kinase B (Akt) and adenosine monophosphate-activated protein kinase (AMPK). We also demonstrated that QWR lowered the blood glucose level in NSY and KK-Ay, type II diabetic models.
巻・号 6(8)
ページ 2749-57
公開日 2015-8-1
DOI 10.1039/c5fo00401b
PMID 26152190
MeSH Amino Acid Sequence Animals Blood Glucose / metabolism* Diabetes Mellitus, Type 2 / drug therapy* Diabetes Mellitus, Type 2 / metabolism Fish Proteins / chemistry* Gadiformes Humans Insulin / metabolism Male Mice Molecular Sequence Data Muscle, Skeletal / drug effects Muscle, Skeletal / metabolism* Peptides / administration & dosage* Peptides / chemistry
IF 4.171
引用数 4
WOS 分野 BIOCHEMISTRY & MOLECULAR BIOLOGY FOOD SCIENCE & TECHNOLOGY
リソース情報
ヒト・動物細胞 C2C12(RCB0987)