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.
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.
Danshen Injection Inhibits Platelets-induced Metastasisof Breast Cancer Cells In Vitro
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-
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