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重庆医科大学 中医药学院,中医药防治代谢性疾病重庆市重点实验室,重庆 400016
方雨潇,硕士,从事中西医结合防治恶性肿瘤方向研究,E-mail:694570761@qq.com
王淑美,博士,主任医师,博士生导师,从事中西医结合防治恶性肿瘤方向研究,E-mail:824211461@qq.com
收稿日期:2022-06-29,
网络出版日期:2022-12-14,
纸质出版日期:2023-02-20
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方雨潇,王淑美,刘伶俐等.基于HIF-1α/VEGFA信号通路探讨柴胡桂枝汤对三阴性乳腺癌细胞的影响[J].中国实验方剂学杂志,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.
方雨潇,王淑美,刘伶俐等.基于HIF-1α/VEGFA信号通路探讨柴胡桂枝汤对三阴性乳腺癌细胞的影响[J].中国实验方剂学杂志,2023,29(04):18-24. DOI: 10.13422/j.cnki.syfjx.20230321.
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.
目的
2
基于缺氧诱导因子-1
α
(HIF-1
α
)/血管内皮生长因子A(VEGFA)信号通路探讨柴胡桂枝汤对三阴性乳腺癌(TNBC)细胞的影响。
方法
2
建立TNBC移植瘤模型,随机分为模型组,卡培他滨组(0.2 mg·kg
-1
),柴胡桂枝汤低、中、高剂量组(10.62、21.23、42.46 g·kg
-1
),每组10只,干预21 d。给药结束后,酶联免疫吸附测定法(ELISA)检测血清中肿瘤坏死因子-
α
(TNF-
α
)水平;实时荧光定量聚合酶链式反应(Real-time PCR)检测肿瘤组织中HIF-1
α
mRNA表达情况;免疫组化法(IHC)检测肿瘤组织中HIF-1
α、
TNF-
α、
VEGFA的表达水平及CD34染色检测肿瘤内血管生成情况并计算微血管密度(MVD);蛋白免疫印迹法(Western blot)检测肿瘤组织中HIF-1
α、
VEGFA、表皮生长因子受体(EGFR)蛋白的表达。
结果
2
与模型组比较,卡培他滨组、柴胡桂枝汤低、中、高剂量组TNF-
α
水平显著降低(
P
<
0.01),HIF-1
α
mRNA显著降低(
P
<
0.01),HIF-1
α
、TNF-
α
、VEGFA和CD34阳性细胞表达及MVD明显降低(
P
<
0.05,
P
<
0.01),HIF-1
α、
VEGFA、EGFR蛋白水平显著降低(
P
<
0.01)。与卡培他滨组比较,柴胡桂枝汤中、高剂量组TNF-
α
水平显著降低(
P
<
0.01),HIF-1
α
mRNA显著降低(
P
<
0.01),HIF-1
α
、TNF-
α
和VEGFA阳性细胞表达显著降低(
P
<
0.01),CD34表达及MVD显著降低(
P
<
0.01),HIF-1
α
、VEGFA、EGFR蛋白水平均显著降低(
P
<
0.01)。
结论
2
柴胡桂枝汤可能通过调控HIF-1
α/
VEGFA信号通路,抑制TNBC细胞血管生成,从而发挥抗肿瘤作用。
Objective
2
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
α
/VEGFA signaling pathway, thus exerting anti-tumor effect.
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