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Inhibitory Effect of Cinnamaldehyde on Proliferation, Migration and Tube Formation of VEGF-induced Endothelial Cells via JAK2/STAT3 Pathway / 中国实验方剂学杂志
Chinese Journal of Experimental Traditional Medical Formulae ; (24): 28-33, 2019.
Article in Chinese | WPRIM | ID: wpr-802095
ABSTRACT

Objective:

To investigate the effect and mechanism of cinnamaldehyde on the angiogenesis of diabetic retinopathy, and the effect of cinnamaldehyde on vascular endothelial growth factor (VEGF) induced proliferation, migration, tube formation and Janus kinase 2/signal transducer and activator of transcription 3 (JAK2/STAT3) pathway of EA.hy 926 cells were observed.

Method:

EA.hy 926 cells were divided into normal control group, model group (7 μg·L-1 VEGF), and VEGF+cinnamaldehyde group (60, 90, 120, 150 μmol·L-1). The methyl thiazolyl tetrazolium (MTT) assay and scratch test were used to observe the effect of cinnamaldehyde on the proliferation and migration of EA. hy 926 cells induced by VEGF. EA. hy 926 cells were divided into normal control group, model group (7 μg·L-1 VEGF), and VEGF+cinnamaldehyde group (90, 150 μmol·L-1). The tube formation experiment was used to observe the effect of cinnamaldehyde on the tube formation of EA. hy 926 cells induced by VEGF. EA. hy 926 cells were divided into normal control group, model group (7 μg·L-1 VEGF), VEGF+AG490 group (50 μmol·L-1), VEGF+cinnamaldehyde group (90 μmol·L-1), VEGF+cinnamaldehyde group (150 μmol·L-1), and VEGF+cinnamaldehyde group (150 μmol·L-1)+AG490 group (50 μmol·L-1). Western Blot method was used to explore the effect of cinnamaldehyde on the JAK2/STAT3 signaling pathway in EA.hy 926 cells induced by VEGF.

Result:

Compared with the control group, model group obviously promoted the proliferation and migration of EA.hy 926 cells(P-1) significantly suppressed VEGF-induced proliferation and migration of EA.hy 926 cells (P-1) showed an obvious inhibitory effect on the number of nodes, junctions and meshes of tubules (PPPP-1) significantly reduced the expressions of P-JAK2, P-STAT3, STAT3 proteins (P-1) obviously reduced the expressions of p-STAT3 and STAT3 proteins (PP

Conclusion:

Cinnamaldehyde showed a significantly inhibitory effect on the proliferation, migration and tube formation of VEGF-induced EA.hy 926 cells, which was related to the inhibition of the activation of JAK2/STAT3 pathway.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Experimental Traditional Medical Formulae Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Experimental Traditional Medical Formulae Year: 2019 Type: Article