Biomedical Research

Objectives: The aim was to observe the immune stress in rats with Severe Acute Pancreatitis (SAP) and diminish by emodin.

Methods: Rats were divided into four groups: sham operation group (SO), SAP model group (SAP), emodin treatment group (ET), and two times dose emodin treatment group (HT). Samples of blood, terminal ileum and lung were harvested on 6 h, 12 h, 18 h and 24 h for examination. Serum amylase, and high-mobility group box 1 (HMGB 1), cyclooxygenase-2 (COX-2), and peroxisome proliferator activated receptor gamma-γ (PPAR-γ) in terminal ileum and lung was determined.

Results: The values for emodin treated showed distinctly treatment effect, with lower levels of serum amylase, HMGB 1 and COX-2 on 12, 18 and 24 h and higher levels of PPAR-γ in the ET and HT groups compared with the SAP group on four time-points. The levels of detection indicators in the ET group were quite different from the HT group, with higher levels of serum amylase, HMGB 1 and COX-2 on 12, 18 and 24 h and lower expression of PPAR-γ on each time points.

Conclusions: Emodin can diminish immune stress in rats with SAP. The strategy of two times may be a better therapeutic effect.

Author(s): Wenyin Jin, Xia Zhang, Qian Chen, Junjun Tian, Yong Zhu, Yinfeng Shen
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