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2018 ; 24
(ä): 2420-2428
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Salidroside Protects Against Advanced Glycation End Products-Induced Vascular
Endothelial Dysfunction
#MMPMID29679467
Zhang P
; Li Y
; Guo R
; Zang W
Med Sci Monit
2018[Apr]; 24
(ä): 2420-2428
PMID29679467
show ga
BACKGROUND Salidroside, the major active compound in Rhodiola, has been reported
to provide beneficial effects on cardiovascular diseases, but its effects on
diabetes-induced vascular endothelial dysfunction are less known. Here, we
examined the protective effects of salidroside on endothelial function in
diabetes and explored the potential underlying mechanism. MATERIAL AND METHODS
First, we assessed the endothelium-dependent relaxation response to
acetylcholine, with or without salidroside treatment, in aortas isolated from
Sprague-Dawley rats. Then, cell viability, oxidative biomarkers, and protein
expression were tested to determine the effect of salidroside treatment on human
umbilical vein endothelial cells (HUVECs) in vitro. RESULTS Advanced glycation
end product (AGE)-induced endothelial dysfunction was significantly improved by
salidroside treatment (P<0.05), as shown by a reduced relaxation response to the
vasodilator acetylcholine. Further, incubation with salidroside restored NO
levels and reduced reactive oxygen species formation in AGE-stimulated HUVECs in
a concentration-dependent manner (P<0.05). We also showed that nuclear factor
(erythroid-derived 2)-like 2 (Nrf2)/heme oxygenase 1 (HO-1) and nuclear factor
kappa B (NF-?B) signaling was critical for the salidroside-mediated beneficial
regulation. CONCLUSIONS Our results demonstrate that salidroside protects against
AGE-induced endothelial dysfunction, and its effects may be in part attributed to
the induction of HO-1 and attenuation of phosphorylated NF-?B p65.
|Animals
[MESH]
|Aorta/*drug effects
[MESH]
|Apoptosis/drug effects
[MESH]
|Cell Survival/drug effects
[MESH]
|Diabetes Complications/drug therapy
[MESH]
|Disease Models, Animal
[MESH]
|Endothelial Cells/*drug effects
[MESH]
|Glucosides/*metabolism/pharmacology
[MESH]
|Glycation End Products, Advanced/adverse effects/drug effects
[MESH]