Min WANG, Shen-lin LIU, Jian WU, et al. Effect of Yiqi Jianpi Huayu Recipe Combined with 5-FU on Growth and Immune Function of Subcutaneous Transplanted Tumor in MFC Bearing Mice[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(6): 65-72.
DOI:
Min WANG, Shen-lin LIU, Jian WU, et al. Effect of Yiqi Jianpi Huayu Recipe Combined with 5-FU on Growth and Immune Function of Subcutaneous Transplanted Tumor in MFC Bearing Mice[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(6): 65-72. DOI: 10.13422/j.cnki.syfjx.20190521.
Effect of Yiqi Jianpi Huayu Recipe Combined with 5-FU on Growth and Immune Function of Subcutaneous Transplanted Tumor in MFC Bearing Mice
To discuss the effect of Yiqi Jianpi Huayu recipe (YQJPHY) combined with 5-fluorouracil(5-FU) on the growth and immune function of subcutaneous transplanted tumor in MFC tumor bearing 615 mice.
Method:
2
Twenty-four mice were inoculated subcutaneously to establish the transplanted tumor model of gastric cancer in mice
and then randomly divided into model control group
YQJPHY (20 g·kg
-1
)group
5-FU (25 mg·kg
-1
) group and (YQJPHY+ 5-FU) combined group
with 6 rats in each group. After the last administration
the transplanted tumor
spleen and thymus were stripped completely. The tumor inhibition rate
thymus and spleen index were calculated. Flow cytometry was used to determine the content of myeloid-derived suppressor cells (MDSCs) and its subtype polykaryotype cells (PMN-MDSC)
single karyotype cells (M-MDSC) in both peripheral blood and tumor tissue
and macrophages and their M1 type
M2 type
T lymphocyte
B lymphocyte
and natural killer cells (NK cells) in peripheral blood. Expressions of arginase-1(Arg-1) and inducible nitric oxide synthesis (iNOS) gene in tumor tissues were detected by Real-time PCR.
Result:
2
Compared with model control group
the weight of mice in YQJPHY group increased
whereas the weight of tumor
the weight of tumor
the index of thymus and spleen decreased in 5-FU group(
P
<
0.05
P
<
0.01). Compared with 5-FU group
combined group showed gained weight
decreased tumor weight
and increased thymus and spleen index(
P
<
0.05
P
<
0.01). Compared with model control group
the total MDSCs content in tumor tissue and peripheral blood of the combined group was decreased
and the PMN-MDSC content in 5-FU group and the combined group were decreased(
P
<
0.05
P
<
0.01). Compared with 5-FU group
the contents of total MDSCs
PMN-MDSC
M-MDSC in combined group were all decreased(
P
<
0.05
P
<
0.01). Compared with model control group
the number of macrophages and their M1 type in YQJPHY group were higher than those in 5-FU group
while the contents of CD3
+
CD4
+
CD8
+
T cell group decreased(
P
<
0.05
P
<
0.01). Compared with model control group
gene expressions of iNOS
Arg-1 decreased in all groups(
P
<
0.05
P
<
0.01). Compared with 5-FU group
gene expressions of iNOS
Arg-1 decreased in combined group(
P
<
0.05
P
<
0.01).
Conclusion:
2
YQJPHY can better inhibit the growth of subcutaneous transplanted tumor when combined with 5-FU
and improve immune status after chemotherapy. The mechanism may be related to the decrease of MDSCs content and the increase of T cell and macrophages content.
关键词
Keywords
references
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