Mechanism of Ginseng Radix et Rhizoma, Notoginseng Radix et Rhizoma and Chuanxiong Rhizoma Extracts in Delaying High Glucose-induced Vascular Calcification in Mice
Topic on Intervention of TCMs with Replenishing Qi and Activating Blood Circulation in Vascular Senescence Induced by Hyperglycemia|更新时间:2021-02-09
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Mechanism of Ginseng Radix et Rhizoma, Notoginseng Radix et Rhizoma and Chuanxiong Rhizoma Extracts in Delaying High Glucose-induced Vascular Calcification in Mice
Chinese Journal of Experimental Traditional Medical FormulaeVol. 26, Issue 8, Pages: 13-20(2020)
Yan-hong HU, Jing YANG, Cheng-kui XIU, et al. Mechanism of Ginseng Radix et Rhizoma, Notoginseng Radix et Rhizoma and Chuanxiong Rhizoma Extracts in Delaying High Glucose-induced Vascular Calcification in Mice[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(8): 13-20.
DOI:
Yan-hong HU, Jing YANG, Cheng-kui XIU, et al. Mechanism of Ginseng Radix et Rhizoma, Notoginseng Radix et Rhizoma and Chuanxiong Rhizoma Extracts in Delaying High Glucose-induced Vascular Calcification in Mice[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(8): 13-20. DOI: 10.13422/j.cnki.syfjx.20200701.
Mechanism of Ginseng Radix et Rhizoma, Notoginseng Radix et Rhizoma and Chuanxiong Rhizoma Extracts in Delaying High Glucose-induced Vascular Calcification in Mice
To investigate the protective effect of Ginseng Radix et Rhizoma
Notoginseng Radix et Rhizoma and Chuanxiong Rhizoma extracts on vascular calcification induced by high glucose in mice by observing the expression of osteopontin (OPN) and smooth muscle 22
α
(SM22
α
) as well as vascular calcium deposition in the common carotid artery and thoracic aorta of mice.
Method:
2
Totally 130 male C57BL/6 mice were randomly divided into normal control group and high glucose group. The mice in high glucose group were intraperitoneally injected with streptozotocin(STZ)
and fed on a high-fat diet for 7 months. Then
the mice were randomly divided into model group
low-dose and high-dose Ginseng Radix et Rhizoma
Notoginseng Radix et Rhizoma and Chuanxiong Rhizoma extracts groups (0.819
1.638 g·kg
-1
)
and metformin group (150 mg·kg
-1
). Each group was intragastrically administered once a day for 9 weeks. The changes in blood glucose were measured. Seven days before the end of the administration
a group of 4-week old male C57BL/6 mice were purchased and fed normally for one week as a youth group. At the end of the administration
the common carotid artery and thoracic aorta tissues of the mice were collected. Von Kossa staining was used to determine the degree of calcium deposition in the common carotid artery and thoracic aorta. The expression levels of OPN and SM22
α
protein in the common carotid artery and thoracic aorta were detected by immunohistochemistry. The expression of OPN and SM22
α
protein in the common carotid artery of mice was determined by Western blot.
Result:
2
As compared with the young group
the blood glucose of the normal control group was slightly increased without statistical difference
the common carotid artery and thoracic aorta were uniformly stained
and no black granular precipitate was observed. As compared with the normal control group
the blood glucose of the model group was increased (
P
<
0.01)
with a large amount of brown-black particles deposited in the intimal elastic fibers
showing obvious calcium salt deposition. As compared with the model group
blood glucose was significantly decreased in each administration group (
P
<
0.05
P
<
0.01)
and the degree of vascular calcium salt deposition was significantly reduced. There were no significant changes in expression levels of OPN protein and SM22
α
protein in the common carotid artery and thoracic aorta between the youth group and normal control group. As compared with the normal control group
the expression of intimal OPN protein in the common carotid artery and thoracic aorta of the model group was positive
SM22
α
protein expression was weakly positive
and the gray value of OPN protein expression in the common carotid artery was significantly increased (
P
<
0.01)
while the gray value of SM22
α
protein was decreased significantly (
P
<
0.01). As compared with the model group
the expression levels of intimal OPN protein and SM22
α
protein in the common carotid artery and thoracic aorta of each administration group were significantly improved
and the gray value of OPN protein expression in the common carotid artery was reduced (
P
<
0.05
P
<
0.01)
while SM22
α
protein expression was significantly increased (
P
<
0.01).
Conclusion:
2
High glucose can induce calcification of common carotid artery and thoracic aorta in mice and accelerate vascular aging. This formation process may be related to the expression of OPN and SM22
α
. Ginseng Radix et Rhizoma
Notoginseng Radix et Rhizoma and Chuanxiong Rhizoma extracts can reduce vascular calcification and delay vascular aging by regulating the expression of OPN and SM22
α
.
关键词
Keywords
references
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Related Author
Jing-yi FANG
Xue WANG
Jing YANG
Cheng-kui XIU
Jia-li WANG
Yi-qing LIU
Yan LEI
Yan-hong HU
Related Institution
National Clinical Research Center for Cardiovascular Diseases of Traditional Chinese Medicine, Xiyuan Hospital of China Academy of Chinese Medical Sciences
Beijing University of Chinese Medicine
Wangjing Hospital of China Academy of Chinese Medical Sciences
School of Pharmacy, Jiangxi University of Chinese Medicine
Tianjin Medical University Chu Hsien-I Memorial Hospital, Tianjin Institute of Endocrinology,NHC Key Laboratory of Hormones and Development, Tianjin Institute of Endocrinology