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Zhong Yao Cai. 2012 Aug;35(8):1280-6.

[Pulsatilla decoction treat inflammatory bowel disease by activating NLRP3].

[Article in Chinese]

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The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China.



To investigate the molecular mechanisms underlying the treatment of inflammatory bowel disease (IBD) by Pulsatilla decoction.


84 BALB/c mice were randomly divided into ethanol control group, model group, SASP group, Pulsatilla decoction group (further divided into low, middle and high dose group) and zVAD group (n = 12). Intragastric and celiac drug administration were used in each group respectively. The expression of NLRP3, ASC, Caspase-1, IL-18 and IL-1beta in the colons were detected by fluorescence quantitative RT-PCR, Elisa and immunohistochemistry after treatment respectively.


Compared with the model group, SASP group, middle and high dose group could treat IBD effectively (P < 0.01), while this effect was restrained in zVAD group (P < 0.05). In the meantime, middle and high dose group could effectively raise the expression of NLRP3, ASC, Caspase-1, IL-18 and IL-1beta in the colons (P < 0.05), while this effect was also inhibited in zVAD group (P < 0.05).


Pulsatilla decoction is likely to exert their therapeutic effect by activating NLRP3 inflammasome which further promote the formation of the corresponding inflammation factors such as 1L-18 and IL-1beta.

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