FANG Yuxiao,WANG Shumei,LIU Lingli,et al.Effect of Chaihu Guizhitang on Triple-negative Breast Cancer Cells: Based on HIF-1α/VEGFA Signaling Pathway[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(04):18-24.
FANG Yuxiao,WANG Shumei,LIU Lingli,et al.Effect of Chaihu Guizhitang on Triple-negative Breast Cancer Cells: Based on HIF-1α/VEGFA Signaling Pathway[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(04):18-24. DOI: 10.13422/j.cnki.syfjx.20230321.
Effect of Chaihu Guizhitang on Triple-negative Breast Cancer Cells: Based on HIF-1α/VEGFA Signaling Pathway
To investigate the effect of Chaihu Guizhitang on triple-negative breast cancer (TNBC) cells based on hypoxia-inducible factor-1
α
(HIF-1
α
)/vascular endothelial growth factor A (VEGFA) signaling pathway.
Method
2
TNBC xenograft model was established and the cells were randomized into model group, capecitabine group (0.2 mg·kg
-1
), Chaihu Guizhitang low-dose group, medium-dose group, and high-dose group (10.62, 21.23, 42.46 g·kg
-1
), with 10 mice in each group. After 21 days of medication, the content of tumor necrosis factor-
α
(TNF-
α
) in serum was detected by enzyme-linked immunosorbent assay (ELISA). The expression of HIF-1
α
mRNA was detected by real-time fluorogenic quantitative polymerase chain reaction (real-time PCR). Immunohistochemistry (IHC) was employed to detect the expression of HIF-1
α
, TNF-
α
, and VEGFA in tumor tissues, and CD34 staining to examine the angiogenesis in tumor tissues. Microvessel density (MVD) was calculated, and the protein expression of HIF-1
α
, VEGFA, and epidermal growth factor receptor (EGFR) in tumor tissues was measured by Western blot.
Result
2
Compared with the model group, the rest four groups showed low levels of TNF-
α
(
P
<
0.01), HIF-1
α
mRNA (
P
<
0.01), expression of HIF-1
α,
TNF-
α
, VEGFA, and CD34 in cells, and MVD (
P
<
0.05,
P
<
0.01), and low protein levels of HIF-1α, VEGFA, and EGFR (
P
<
0.01). Compared with capecitabine group, medium-dose and high-dose Chaihu Guizhitang decreased the level of TNF-
α
(
P
<
0.01), HIF-1
α
mRNA (
P
<
0.01), expression of HIF-1
α
, TNF-
α
, and VEGFA in cells (
P
<
0.01), CD34 expression, MVD, and protein levels of HIF-1
α
, VEGFA, and EGFR (
P
<
0.01).
Conclusion
2
Chaihu Guizhitang may inhibit the angiogenesis in TNBC cells by regulating the expression of HIF-1
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