ZHANG Qiong-ling,SUN Zheng-xiao,XIAO Shun-li,et al.Biological Evaluation for Quality Control of Water Extract of Qingjin Huatantang Based on Phagocytic and Secretory Functions of Macrophages[J].Chinese Journal of Experimental Traditional Medical Formulae,2021,27(24):10-16.
ZHANG Qiong-ling,SUN Zheng-xiao,XIAO Shun-li,et al.Biological Evaluation for Quality Control of Water Extract of Qingjin Huatantang Based on Phagocytic and Secretory Functions of Macrophages[J].Chinese Journal of Experimental Traditional Medical Formulae,2021,27(24):10-16. DOI: 10.13422/j.cnki.syfjx.20211773.
Biological Evaluation for Quality Control of Water Extract of Qingjin Huatantang Based on Phagocytic and Secretory Functions of Macrophages
To establish a method for evaluating the biological activity of water extract lyophilized powder of Qingjin Huatantang based on the phagocytic and secretory functions of macrophages, and to control the quality of this formula from the biological activity level.
Method
2
The phagocytic and inflammation models of RAW264.7 macrophages were established, the inhibition rates of water extract lyophilized powder of Qingjin Huatantang on interleukin-6 (IL-6) secretion and phagocytic index of neutral red of RAW264.7 macrophages were chosen as indicators to investigate the biological activity of Qingjin Huatantang, and the biological limit was searched.
Result
2
The optimal inoculation density of RAW264.7 macrophages was 3×10
5
pcs/mL, and the concentration of lipopolysaccharide (LPS) was 1 mg·L
-1
after treatment for 24 h. When the concentration was 500 mg·L
-1
, water extract lyophilized powder of Qingjin Huatantang had no toxicity and no obvious promotion effect on the proliferation of RAW264.7 macrophages, and at this concentration, the phagocytosis of RAW264.7 macrophages for neutral red was significantly promoted, the phagocytic index was
>
113%. In addition, the lyophilized powder had a significant and stable inhibitory effect on IL-6 secretion of RAW264.7 macrophages induced by LPS, the inhibitory rate was
>
45%.
Conclusion
2
Combined with the anti-inflammatory and immunomodulatory effects of Qingjin Huatantang, this study establishes an
in vitro
biological limit method for evaluating the quality of water extract of Qingjin Huatantang based on the phagocytic and secretory functions of RAW264.7 macrophages, and 500 mg·L
-1
was confirmed as the limit concentration. Under the limit concentration, Qingjin Huatantang water extract can significantly promote the phagocytic index of macrophages or significantly inhibit the secretion of IL-6 of RAW264.7 macrophages induced by LPS, which can be judged as qualified.
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YAN Y,ZHANG Q Q,FENG F.HPLC-TOF-MS and HPLC-MS/MS combined with multivariate analysis for the characterization and discrimination of phenolic profiles in nonfumigated and sulfurfumigated rhubarb[J].J Sep Sci,2016,39(14):2667-2677.
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Related Author
Shunli XIAO
Zhengxiao SUN
Lu LIU
Qiongling ZHANG
Shilan DING
Jing XU
Fulong LIAO
Yun YOU
Related Institution
Institute of Chinese Materia Media, China Academy of Chinese Medical Sciences
Science and Technology Innovation Center, Guangzhou University of Chinese Medicine
The First Affiliated Hospital of Guangzhou University of Chinese Medicine
Guangdong Vocational and Technical University of Business and Technology
The Third People's Hospital Affiliated to Fujian University of TCM