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1.江西中医药大学,南昌 330004
2.首都医科大学 基础医学院,北京 100069
田会茹,硕士,从事中药抗肿瘤药理工作,E-mail:1347015808@qq.com
付剑江,博士,教授,从事中药抗肿瘤药理工作,E-mail:jianjiang_fu@yeah.net
收稿日期:2022-09-05,
网络出版日期:2022-12-14,
纸质出版日期:2023-11-05
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田会茹,姜思琴,吕红等.丹参注射液抑制血小板诱导的乳腺癌细胞体外转移作用[J].中国实验方剂学杂志,2023,29(21):79-85.
TIAN Huiru,JIANG Siqin,LYU Hong,et al.Danshen Injection Inhibits Platelets-induced Metastasisof Breast Cancer Cells In Vitro[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(21):79-85.
田会茹,姜思琴,吕红等.丹参注射液抑制血小板诱导的乳腺癌细胞体外转移作用[J].中国实验方剂学杂志,2023,29(21):79-85. DOI: 10.13422/j.cnki.syfjx.20230325.
TIAN Huiru,JIANG Siqin,LYU Hong,et al.Danshen Injection Inhibits Platelets-induced Metastasisof Breast Cancer Cells In Vitro[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(21):79-85. DOI: 10.13422/j.cnki.syfjx.20230325.
目的
2
观察丹参注射液对血小板(PLT)诱导的乳腺癌细胞体外转移作用。
方法
2
采用噻唑蓝(MTT)比色法观察丹参注射液对MDA-MB-231细胞体外生长的影响;采用Oris
TM
体外迁移试剂盒检测丹参注射液(终质量浓度分别为4、8、16 g·L
-1
)对PLT(1.5×10
10
个/L)诱导的乳腺癌细胞体外迁移的影响;采用Transwell小室法检测丹参注射液对PLT诱导的细胞侵袭的影响;采用细胞免疫荧光法和蛋白免疫印迹法(Western blot)检测丹参注射液对PLT诱导的上皮间质转化(EMT)关键性转录因子Slug、Snail蛋白表达的影响;采用酶联免疫吸附测定法(ELISA)检测丹参注射液(终质量浓度为4、8、16、32、64 g·L
-1
)对转化生长因子-
β
1
(TGF-
β
1
)分泌的影响;采用Western blot观察丹参注射液对PLT诱导MDA-MB-231细胞Podoplain(PDPN)蛋白表达的影响。
结果
2
与空白组比较,丹参注射液组(32、64 g·L
-1
)细胞的吸光度
A
570
均明显降低(
P
<
0.05,
P
<
0.01);丹参注射液组(4、8、16 g·L
-1
)
A
570
差异无统计学意义。与空白组比较,PLT组迁移、侵袭细胞数明显增加,丹参注射液各组则可明显抑制PLT诱导的细胞迁移和侵袭。与空白组比较,PLT组细胞E-钙黏蛋白(E-cadherin)表达明显降低,丹参注射液可明显逆转PLT的这一作用。与空白组比较,PLT组Slug、Snail蛋白表达明显升高(
P
<
0.05,
P
<
0.01),丹参注射液则明显逆转PLT诱导的Snail蛋白表达(
P
<
0.05,
P
<
0.01);PLT组TGF-
β
1
含量显著升高(
P
<
0.01),丹参注射液组(16、32、64 g·L
-1
)可明显降低PLT诱导的TGF-
β
1
分泌(
P
<
0.05,
P
<
0.01),其余丹参注射液组对TGF-
β
1
分泌无明显影响;PLT组细胞PDPN蛋白表达显著升高(
P
<
0.01),丹参注射液可显著抑制PLT诱导的PDPN表达升高(
P
<
0.01)。
结论
2
丹参注射液可抑制PLT诱导的乳腺癌细胞的迁移、侵袭和EMT作用,其机制可能是通过下调乳腺癌细胞PDPN表达、干扰PLT与肿瘤细胞之间直接作用与PLT分泌TGF-
β
1
作用无关。
Objective
2
To observe the effect of Danshen injection (DAN) on platelet (PLT)-induced metastasis of breast cancer cells
in vitro
.
Method
2
The 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay was used to observe the effect of DAN on the growth of MDA-MB-231 cells
in vitro
. Oris™ migration assay was used to determine the effect of DAN (final mass concentrations 4, 8, 16 g·L
-1
) on PLT (1.5×10
10
cells/L)-induced migration of breast cancer cells
in vitro
. The effect of DAN on PLT-induced cell invasion was detected by Transwell assay. Immunofluorescence and Western blot were used to detect the effect of DAN on the protein expression associated with PLT-induced epithelial-mesenchymal transition (EMT). In addition, enzyme-linked immune-sorbent assay (ELISA) was used to determine the effect of DAN (final mass concentrations 4, 8, 16, 32, 64 g·L
-1
) on the secretion of transforming growth factor-
β
1
(TGF-
β
1
). Western blot was used to observe the effect of DAN on the expression of podoplanin (PDPN) protein in MDA-MB-231 cells induced by PLT.
Result
2
Compared with the blank group, the DAN groups (32 and 64 g·L
-1
) showed decreased
A
570
(
P
<
0.05,
P
<
0.01), and there was no significant difference in
A
570
between DAN groups (4, 8, 16 g·L
-1
). Compared with the blank group, the PLT group showed increased cell migration and invasion, while DAN groups significantly inhibited PLT-induced cell migration and invasion. Compared with the blank group, the PLT group showed decreased expression of E-cadherin, while DAN could significantly reverse this effect of PLT. Compared with the blank group, the PLT group showed increased Slug and Snail protein expression (
P
<
0.05,
P
<
0.01), while DAN significantly reversed Snail protein expression induced by PLT (
P
<
0.05,
P
<
0.01). The content of TGF-
β
1
in the PLT group increased (
P
<
0.01), while the secretion of TGF-
β
1
induced by PLT decreased in the DAN groups (16, 32, and 64 g·L
-1
) (
P
<
0.05,
P
<
0.01), and the secretion of TGF-
β
1
was not significantly affected in other DAN groups. PDPN protein expression in the PLT group increased (
P
<
0.01), while DAN could significantly inhibit PLT-induced PDPN expression (
P
<
0.01).
Conclusion
2
DAN can inhibit PLT-induced migration, invasion, and EMT of breast cancer cells. The mechanism may be related to the direct action between breast cancer cells and tumor cells by down-regulating PDPN expression and interfering with PLT and has nothing to do with the effect of TGF-
β
1
secretion of PLT.
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