산화적 스트레스에 대한 췌장 베타 세포 보호활성 식물추출물 탐색 = Search for Plant Extracts with Protective Effects of Pancreatic Beta Cell against Oxidative Stress

다국어 초록 (Multilingual Abstract)

Diabetes mellitus is metabolic disorder characterized by hyperglycemia caused by insufficient insulin secretion or
insulin receptor insensitivity to endogenous insulin. It is well-known that hyperglycemia is one of the main causes of oxidative
stress in both type 1 and 2 diabetes. Oxidative stress is related by death of pancreatic β cell and dysfunction of β cell. Although
β cell death or dysfunction is induced by many substances or molecules, increased evidences that oxidative stress plays a crucial
role in β cell death or dysfunction. Considering the importance of oxidative stress in the pathogenesis of diabetes mellitus, we
investigated the cytoprotective effects against hydrogen peroxide-induced oxidative stress in pancreatic β cell line RIN-m5F
cell. 110 Plant sources were collected in Mt. Baek-du, and extracted with methanol. These extracts had been screened the protective
effects against hydrogen peroxide-induced oxidative damage in RIN-m5F cells at 50 and 200 μg/ml. Of these, ten methanolic
extracts, aerial part of Erigenron cannadensis, aerial part of Lespedeza juncea, whole plant of Alopecurus aequalis, fruit
of Lycium chinense, leaf of Morus alba, rhizome of Polygonatum odoratum, root of Ampelosis japonica, whole plant of Ranunculus
japonicus, aerial part of Polygonum sieboldii, rhizome of Arisaema amurense var. violaceum showed significant protective
effects against hydrogen peroxide-induced oxidative damage in pancreatic β cell line RIN-m5F cell.

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