摘要
胰岛β细胞的正常功能对血糖控制是至关重要的。此前的研究表明,中医地骨皮可能有助于胰腺β细胞保护和改善胰岛素敏感性。然而,这种草药的具体效果和分子机制还没有被描述。因此,我们研究了地骨皮在调节细胞增殖,凋亡,和INS-1细胞自噬的作用。我们的研究表明,在高糖条件下地骨皮提取物能促进胰岛β细胞增殖和抑制细胞凋亡。我们还评估了自噬体的形成,并且发现GFP-LC3融合蛋白被转运到自噬体膜。用地骨皮与没有治疗的对照组相比,治疗组自噬体增多,表明这些提取物能促进INS-1细胞自噬的激活。我们的研究结果表明,地骨皮提取物治疗与细胞凋亡和自噬有显著关联,保护胰岛β细胞的功能,用于治疗糖尿病的新药开发提供依据。
关键词: 胰腺β细胞,地骨皮,细胞增殖,细胞凋亡,自噬,糖尿病。
Current Molecular Medicine
Title:Cortex Lycii Radicis Extracts Protect Pancreatic Beta Cells Under High Glucose Conditions
Volume: 16 Issue: 6
Author(s): D. Wang and Z. Ye
Affiliation:
关键词: 胰腺β细胞,地骨皮,细胞增殖,细胞凋亡,自噬,糖尿病。
摘要: The normal function of pancreatic beta cells is vital to the control of blood glucose. Earlier research suggests that the traditional Chinese medicine Cortex Lycii Radicis may help protect pancreatic beta cells and improve insulin sensitivity. However, the specific effects and molecular mechanism of this herb have not been described. Thus, we investigated the role of Cortex Lycii Radicis in regulating the proliferation, apoptosis, and autophagy of INS-1 pancreatic beta cells. Our study revealed that Cortex Lycii Radicis extracts could promote INS-1 cell proliferation and inhibit cell apoptosis under high glucose conditions. We also evaluated the formation of autophagosomes and found that GFP-LC3 fusion protein was translocated to the autophagosome membrane. Autophagosomes increased in the group treated with Cortex Lycii Radicis compared with the no treatment control group, indicating that these extracts could promote the activation of autophagy in INS-1 cells. Our findings suggest a significant association of the Cortex Lycii Radicis extracts treatment with apoptosis and autophagy, which protects the function of pancreatic beta cells, providing evidence for the development of a new drug for diabetes treatment.
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Cite this article as:
D. Wang and Z. Ye , Cortex Lycii Radicis Extracts Protect Pancreatic Beta Cells Under High Glucose Conditions, Current Molecular Medicine 2016; 16 (6) . https://dx.doi.org/10.2174/1566524016666160523143757
DOI https://dx.doi.org/10.2174/1566524016666160523143757 |
Print ISSN 1566-5240 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5666 |
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