Zi-hang XU, Yang-zhuang-zhuang ZHU, Fei ZHANG, et al. Inhibitory Effect of Zeqi Tang on Mouse Model of Lung Cancer. [J]. Chinese Journal of Experimental Traditional Medical Formulae 25(14):6-12(2019)
DOI:
Zi-hang XU, Yang-zhuang-zhuang ZHU, Fei ZHANG, et al. Inhibitory Effect of Zeqi Tang on Mouse Model of Lung Cancer. [J]. Chinese Journal of Experimental Traditional Medical Formulae 25(14):6-12(2019) DOI: 10.13422/j.cnki.syfjx.20191322.
Inhibitory Effect of Zeqi Tang on Mouse Model of Lung Cancer
To observe effect of Zeqi Tang in intervening mice with orthotopic lung cancer model
in order to observe its anti-tumor mechanism.
Method:
2
An in situ mouse model of non-small cell lung cancer was established through intrapulmonary injection with 1×10
5
LLC-luc cells. The model mice were intragastrically administered with Zeqi Tang(0.171 g·mL
-1
) or normal saline for 35 days. Appearance (spirit
hair
appetite
sleep)
survival period and Zeqi Tang anti-tumor effect were observed
weekly vital imaging was performed to detect the fluorescence signal in the lungs of mice. Flow cytometry was used to detect the NK cell content in the spleen of the model mice. CD107
α
was used to detect the degranulation of NK cells in the spleen of mice after administration of Zeqi Tang. Kromasil 100 5 C
18
column was used and eluted with acetonitrile-0.025%phosphoric acid in a gradient mode
with flow rate at 1.0 mL·min
-1
column temperature at 35 ℃ and detection wavelength of 265 nm
as to establish the fingerprint of Zeqi Tang. The fingerprints of 10 batches of samples was evaluated by using the Chinese Medicine Chromatographic Fingerprint Similarity Evaluation System Software (2012 Edition) recommended by the Chinese Pharmacopoeia Commission
in order to complete the quality control of Zeqi Tang.
Result:
2
Zeqi Tang could significantly inhibit the lung fluorescence signal of lung cancer in situ model mice and prolong the survival of mice(
P
<
0.05
P
<
0.01). After the intervention with Zeqi Tang
the NK cells in the tumors increased significantly(
P
<
0.01)
and the degranulation of CD107
α
also increased significantly(
P
<
0.01). Moreover
the HPLC-DAD fingerprint of Zeqi Tang showed a significant increase in the fingerprint similarity of 10 batches of lacquer soup aqueous extract. Moreover
the HPLC-DAD fingerprint of Zeqi Tang showed that the fingerprint similarity of 10 batches of lacquer soup aqueous extract was ≥0.9
indicating that small differences between the batches.
Conclusion:
2
Zeqi Tang may enhance the tumor growth and prolong the survival period of mice by up-regulating the number of NK cells in mice and enhancing their degranulation function. The evaluation of similarity of HPLC fingerprint of Zeqi Tang reflects the quality of lacquer soup to a certain extent
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