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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Yang, Xin Peng, Anlin Wang, Hui Zheng, Ling Huang, Lianqi Lei, Xiang Huang, Kun |
| Copyright Year | 2015 |
| Abstract | Long-term hyperglycemia is a typical symptom of diabetes mellitus (DM) which can cause a high level of protein glycation and lead to the formation of advanced glycation end products (AGEs). The accumulation of AGEs in turn deteriorates DM and its complications. Insulin, the only hormone that directly decreases blood sugar in vivo, is vulnerable to glycation which causes the loss of its biological activity. In this study, we used a porcine insulin (PI)–methylglyoxal (MGO) model to investigate the inhibitory effect of leonurine (LN), a natural alkaloid extracted from Herba leonuri, on AGE formation. Assays including AGE-specific fluorescence, and fructosamine level and carbonyl group content determination showed that LN can dose-dependently suppress PI glycation. A significantly decreased cross-linking level on the glycated PI was also proven by SDS-PAGE electrophoresis. A further liquid chromatography-mass spectrometry study suggested that LN may inhibit PI glycation through trapping MGO and keeping it from reacting with PI. Our results thus indicate that LN is a promising anti-glycation agent for the prevention of diabetes and its complications via inhibiting AGE formation. |
| Starting Page | 584 |
| Ending Page | 589 |
| Page Count | 6 |
| File Format | HTM / HTML PDF |
| ISSN | 20426496 |
| Volume Number | 6 |
| Issue Number | 2 |
| Journal | Food & Function |
| DOI | 10.1039/c4fo00960f |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Herba Hyperglycemia Diabetes mellitus Protein Glycation Insulin Hormone Blood sugar Methylglyoxal Leonurine Alkaloid Fluorescence Carbonyl group Content determination Polyacrylamide gel electrophoresis Electrophoresis Liquid chromatography\u2013mass spectrometry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Food Science |
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