Abstract:
OBJECTIVE:Puerarin is a natural flavonoid isolated from the TCM lobed kudzuvine root. This study investigated the effect and mechanisms of puerarin on diabetic aorta in rats. METHODS:Streptozotocin- (STZ-) induced diabetic rats were administered with puerarin for 3 weeks. Levels of serum insulin (INS), PGE2, endothelin (ET), glycated hemoglobin (GHb), H2O2, and nitric oxide (NO) in rats were measured by ELISA and colorimetric assay kits. The aortas were stained with H&E. Moreover, the mRNA expression of ICAM-1, LOX-1, NADPH oxidase 2 (NOX2), and NOX4 and the protein expression of ICAM-1, LOX-1, NF-κB p65, E-selectin, NOX2, and NOX4 in aorta tissues were measured by real-time PCR and Western blot, respectively. The localization of ICAM-1, NF-κB p65, NOX2, and NOX4 in the aorta tissues was also determined through immunohistochemistry. RESULTS:Puerarin treatment exerted no effect on fasting blood glucose levels but significantly reduced the serum levels of INS, GHb, PGE2, ET, H2O2, and NO. In addition, puerarin improved the pathological alterations and inhibited the expression of ICAM-1, LOX-1, NOX2, and NOX4 at both mRNA and protein levels. Puerarin also significantly reduced the number of cells showing positive staining for ICAM-1, NOX2, NOX4, and NF-κB p65. CONCLUSION:Puerarin demonstrated protective effect on the STZ-induced diabetic rat aorta. The protective mechanisms may include regulation of NF-κB and inhibition of NOX2 and NOX4 followed by inhibition of cell adhesion molecule expression.
journal_name
J Diabetes Resjournal_title
Journal of diabetes researchauthors
Li W,Zhao W,Wu Q,Lu Y,Shi J,Chen Xdoi
10.1155/2016/8541520subject
Has Abstractpub_date
2016-01-01 00:00:00pages
8541520eissn
2314-6745issn
2314-6753journal_volume
2016pub_type
杂志文章abstract::Mannan-binding lectin (MBL) has been reported to be involved in the pathophysiology of diabetic nephropathy. MBL is a pattern-recognition molecule of the innate immune system that initiates the lectin pathway of the complement system upon recognition of evolutionary conserved pathogen-associated molecular patterns or ...
journal_title:Journal of diabetes research
pub_type: 杂志文章
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journal_title:Journal of diabetes research
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journal_title:Journal of diabetes research
pub_type: 杂志文章,评审
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更新日期:2016-01-01 00:00:00
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pub_type: 杂志文章
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journal_title:Journal of diabetes research
pub_type: 杂志文章,评审
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journal_title:Journal of diabetes research
pub_type: 杂志文章
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journal_title:Journal of diabetes research
pub_type: 杂志文章
doi:10.1155/2017/5350616
更新日期:2017-01-01 00:00:00
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journal_title:Journal of diabetes research
pub_type: 杂志文章
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journal_title:Journal of diabetes research
pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章
doi:10.1155/2016/1826281
更新日期:2016-01-01 00:00:00
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journal_title:Journal of diabetes research
pub_type: 杂志文章,评审
doi:10.1155/2016/5263798
更新日期:2016-01-01 00:00:00
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journal_title:Journal of diabetes research
pub_type: 杂志文章,多中心研究
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journal_title:Journal of diabetes research
pub_type: 杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章,评审
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更新日期:2016-01-01 00:00:00
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journal_title:Journal of diabetes research
pub_type: 杂志文章
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更新日期:2014-01-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2013-01-01 00:00:00
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journal_title:Journal of diabetes research
pub_type: 杂志文章
doi:10.1155/2014/142154
更新日期:2014-01-01 00:00:00
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pub_type: 杂志文章
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更新日期:2016-01-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2018-02-26 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
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