Hong-han ZHANG, Rui ZHANG, Fa-lu YUAN, et al. Effect of Periplaneta Aamericana Polypeptide on Angiogenesis[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(8): 60-70.
DOI:
Hong-han ZHANG, Rui ZHANG, Fa-lu YUAN, et al. Effect of Periplaneta Aamericana Polypeptide on Angiogenesis[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(8): 60-70. DOI: 10.13422/j.cnki.syfjx.20190725.
Effect of Periplaneta Aamericana Polypeptide on Angiogenesis
To investigate the effect of the Periplaneta Americana polypeptide on the angiogenesis.
Method:
2
Methylthiazolyldiphenyl-tetrazolium bromide (MTT) assay and cell scratch assay were used to observe effect of different concentration (6.25
12.5
25
50
100 mg·L
-1
) of the Periplaneta Americana polypeptide
CⅡ-3 and skimmed cream on the proliferation and migration of human umbilical vein endothelial cells (HUVECs)
and a normal group and a thalidomide group were also established in this study. The tubule formation assay was used to detect the effect of different concentration (25
50
100 mg·L
-1
) of the Periplaneta Americana extracts on the formation of tubules in HUVECs cells. The adhesion between HepG2 cells and HUVECs cells was observed by cell adhesion assay. The expression of vascular endothelial growth factor (VEGF) proteins in HUVECs was detected by immunocytochemical staining and enzyme linked immunosorbent assay (ELISA).
Result:
2
MTT results showed that the Periplaneta Americana polypeptide could inhibit the proliferation of HUVECs in a dose-dependent manner (
P
<
0.05). The effect of different concentrations of PAP-2 was better than that of PAP-1 and PAP-3 at 24
48 72 h (
P
<
0.05). However
the survival rate of HUVECs was significantly increased after treatment with different concentrations of CⅡ-3 and skimmed cream in a time-dose dependent manner. Cell wound scratch assay indicated that migration of HUVECs could be inhibited by Periplaneta Americana polypeptide in a dose-dependent manner (
P
<
0.05)
and the effect of PAP-2 was better than that of PAP-1 and PAP-3 (
P
<
0.05). CⅡ-3 could inhibit migration HUVECs to some extent
but the higher the dose was
the weaker the inhibition effect was. Skimmed cream promoted migration of HUVECs in a dose-dependent manner. Tube formation assay revealed that Periplaneta Americana polypeptide could inhibit tube formation of HUVECs
and the inhibitory effect of PAP-2 was better than that of PAP-1 and PAP-3 (
P
<
0.05). CⅡ-3 and skimmed cream promoted the tube formation of HUVECs to a certain extent. Intercellular adhesion assay stated clearly that Periplaneta Americana polypeptide could block the adhesion between HepG2 and HUVECs (
P
<
0.05)
and the effect of PAP-2 was better than that of PAP-1 and PAP-3 (
P
<
0.05). However
CⅡ-3 and skimmed cream could promote the adhesion between HepG2 and HUVECs. Results of ELISA assay and immunocytochemical staining indicated that Periplaneta Americana polypeptide could down-regulate the expression of VEGF of HUVECs in a dose-dependent manner (
P
<
0.05)
in which effect of PAP-2 was better than that of PAP-1 and PAP-3 (
P
<
0.05). However
CⅡ-3 and skimmed cream could up-regulate the expression of VEGF in HUVECs.
Conclusion:
2
The Periplaneta Americana polypeptide can inhibit the invasion
metastasis and tube formation of HUVECs
and down-regulate the expression of VEGF in HUVECs. The effect of Periplaneta Americana polypeptide is better than CⅡ-3 and skimmed cream
and the among the polypeptide
the effect of PAP-2 is superior to the other two.
关键词
Keywords
references
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Related Author
Ming-xia CHEN
Jian-xun LIU
Qu-xing WU
Pan WANG
Zeng-lin LIAN
Ye LIU
Zhi-gang LI
Jun-guo REN
Related Institution
Institute of Basic Medical Sciences of Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing Key Laboratory of Pharmacology of Chinese Materia Medica
Institute of Traditional Chinese Medicine, Beijing Han Dian Pharmaceutical Co. Ltd
The First Affiliated Hospital of Nanchang University
Jiangxi Cancer Hospital
School of Chinese Medicine, Jiangxi University of Chinese Medicine