고지방·고단순당 식이 섭취 마우스에서 토종보리수 열매의 인슐린 저항성 및 고혈당 개선 효과

Purpose: Type 2 diabetes mellitus is a metabolic condition marked by persistent elevated blood sugar levels resulting from insulin resistance. The effective management of diabetes mellitus involves strict regulation of the blood glucose levels. This study examined the effects of Autumn olive (Elaeag...

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Published inJournal of nutrition and health Vol. 57; no. 1; pp. 16 - 26
Main Authors 최하늘(Ha-Neul Choi), 조애진(Ae-Jin Jo), 김하나(Ha-Na Kim), 김정인(Jung-In Kim)
Format Journal Article
LanguageKorean
Published 한국영양학회 2024
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ISSN2288-3886
2288-3959
DOI10.4163/jnh.2024.57.1.16

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Abstract Purpose: Type 2 diabetes mellitus is a metabolic condition marked by persistent elevated blood sugar levels resulting from insulin resistance. The effective management of diabetes mellitus involves strict regulation of the blood glucose levels. This study examined the effects of Autumn olive (Elaeagnus umbellata Thunb.) berry (AOB) on insulin resistance and hyperglycemia using a type 2 diabetes mellitus animal model. Methods: Eight-week-old C57BL/6J mice were divided into four groups. The control group received a basal diet, while the high-fat, high-sucrose (HFHS) group was fed a HFHS diet containing 27% sucrose and 33% lard for 12 weeks. The low AOB (LAOB) and high AOB (HAOB) groups were offered a HFHS diet with a 0.5% and 1.0% AOB extract, respectively. Results: The HAOB group showed significantly lower epididymal fat pad weight than the HFHS group. The LAOB and HAOB groups showed lower serum glucose levels and homeostasis model assessment for insulin resistance values than the HFHS group, and the HAOB group has lower serum insulin levels than the HFHS group. Supplementation with HAOB decreased serum cholesterol levels significantly compared with the HFHS group. The consumption of LAOB and HAOB reduced the serum triglyceride and hepatic total lipids and triglyceride levels compared to the HFHS group. In addition, LAOB and HAOB consumption in mice fed a HFHS diet increased adenosine monophosphate-activated protein kinase protein expression. Insulin receptor substrate-2 protein expression in the HAOB group was significantly higher than the HFHS group. Conclusion: AOB can alleviate hyperglycemia in type 2 diabetes mellitus partly by mitigating insulin resistance. 토종보리수 열매의 항당뇨 효과를 규명하기 위하여, 마우스를 네 군으로 나누어, 기본 식이, 고지방·고단순당 식이, 토종보리수 열매 추출물을 저농도 (0.5%) 및 고농도 (1.0%)로 첨가한 고지방·고단순당 식이를 12주간 제공하였다. 고지방·고단순당 식이를 섭취한 군은 대조군에 비해 체중 및 체중 증가량, 부고환 지방무게가 유의적으로 증가하였으나, 고농도 보리수 열매 추출물의 급여는 부고환 지방무게를 유의적으로 감소시켰다. 고지방·고단순당군은 대조군에 비해 혈당, 인슐린, HOMA-IR값이 유의적으로 증가하였으나, 고농도 보리수 열매 추출물은 인슐린 농도를 감소시켰고, 저농도 및 고농도 추출물은 혈당 및 HOMA-IR값을 감소시켰다. 고지방·고단순당군은 대조군에 비해 IRS-2 및 AMPK 단백질 발현도가 유의적으로 감소하였으나, 고농도 보리수 열매 추출물의 급여는 IRS-2 발현도를 증가시켰고, 저농도 및 고농도 보리수 열매 추출물의 급여는 AMPK 발현도를 증가시켰다. 따라서, 토종보리수 열매는 제2형 당뇨병 동물에서 인슐린 저항성을 개선시켜 고혈당 개선효과를 나타낸 것으로 나타났다. 고지방·고단순당 식이를 섭취한 마우스에서 저농도 및 고농도 토종보리수 열매 추출물의 급여는 혈청 중성지방 농도 및 간조직의 총 지질과 중성지방 함량을 감소시켰고, 고농도추출물의 급여는 혈청 콜레스테롤 농도를 감소시켜, 토종보리수 열매는 지방간과 이상지질혈증 개선효과를 나타내었다.
AbstractList Purpose: Type 2 diabetes mellitus is a metabolic condition marked by persistent elevated blood sugar levels resulting from insulin resistance. The effective management of diabetes mellitus involves strict regulation of the blood glucose levels. This study examined the effects of Autumn olive (Elaeagnus umbellata Thunb.) berry (AOB) on insulin resistance and hyperglycemia using a type 2 diabetes mellitus animal model. Methods: Eight-week-old C57BL/6J mice were divided into four groups. The control group received a basal diet, while the high-fat, high-sucrose (HFHS) group was fed a HFHS diet containing 27% sucrose and 33% lard for 12 weeks. The low AOB (LAOB) and high AOB (HAOB) groups were offered a HFHS diet with a 0.5% and 1.0% AOB extract, respectively. Results: The HAOB group showed significantly lower epididymal fat pad weight than the HFHS group. The LAOB and HAOB groups showed lower serum glucose levels and homeostasis model assessment for insulin resistance values than the HFHS group, and the HAOB group has lower serum insulin levels than the HFHS group. Supplementation with HAOB decreased serum cholesterol levels significantly compared with the HFHS group. The consumption of LAOB and HAOB reduced the serum triglyceride and hepatic total lipids and triglyceride levels compared to the HFHS group. In addition, LAOB and HAOB consumption in mice fed a HFHS diet increased adenosine monophosphate-activated protein kinase protein expression. Insulin receptor substrate-2 protein expression in the HAOB group was significantly higher than the HFHS group. Conclusion: AOB can alleviate hyperglycemia in type 2 diabetes mellitus partly by mitigating insulin resistance. 토종보리수 열매의 항당뇨 효과를 규명하기 위하여, 마우스를 네 군으로 나누어, 기본 식이, 고지방·고단순당 식이, 토종보리수 열매 추출물을 저농도 (0.5%) 및 고농도 (1.0%)로 첨가한 고지방·고단순당 식이를 12주간 제공하였다. 고지방·고단순당 식이를 섭취한 군은 대조군에 비해 체중 및 체중 증가량, 부고환 지방무게가 유의적으로 증가하였으나, 고농도 보리수 열매 추출물의 급여는 부고환 지방무게를 유의적으로 감소시켰다. 고지방·고단순당군은 대조군에 비해 혈당, 인슐린, HOMA-IR값이 유의적으로 증가하였으나, 고농도 보리수 열매 추출물은 인슐린 농도를 감소시켰고, 저농도 및 고농도 추출물은 혈당 및 HOMA-IR값을 감소시켰다. 고지방·고단순당군은 대조군에 비해 IRS-2 및 AMPK 단백질 발현도가 유의적으로 감소하였으나, 고농도 보리수 열매 추출물의 급여는 IRS-2 발현도를 증가시켰고, 저농도 및 고농도 보리수 열매 추출물의 급여는 AMPK 발현도를 증가시켰다. 따라서, 토종보리수 열매는 제2형 당뇨병 동물에서 인슐린 저항성을 개선시켜 고혈당 개선효과를 나타낸 것으로 나타났다. 고지방·고단순당 식이를 섭취한 마우스에서 저농도 및 고농도 토종보리수 열매 추출물의 급여는 혈청 중성지방 농도 및 간조직의 총 지질과 중성지방 함량을 감소시켰고, 고농도추출물의 급여는 혈청 콜레스테롤 농도를 감소시켜, 토종보리수 열매는 지방간과 이상지질혈증 개선효과를 나타내었다.
Author 최하늘(Ha-Neul Choi)
조애진(Ae-Jin Jo)
김정인(Jung-In Kim)
김하나(Ha-Na Kim)
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type 2 diabetes mellitus
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insulin resistance
autumn olive berry
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Title 고지방·고단순당 식이 섭취 마우스에서 토종보리수 열매의 인슐린 저항성 및 고혈당 개선 효과
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