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The aim of this study was to investigate the effects of the Chinese herbal formulation Jianpijiedu (JPJD) in a rat model of orthotopic hepatocellular carcinoma (OHC). The tumor-bearing rats underwent food restriction combined with laxative (FRL) treatment in order to model the nutritional and digestive symptoms of patients with hepatocellular carcinoma. In addition, the study aimed to elucidate the effect of JPJD on the T cell receptor Vβ-chain complementarity-determining region 3 (TCRVβCDR3) repertoire and the underlying mechanism. The FRL rat model was established by alternate-day food restriction and the oral administration of Glauber's salt (sodium sulfate), based on which the OHC model was then established. Subsequently, the FRL-OHC induced animals received JPJD or thymopentin-5 (TP5) for 17 days. Differences in the TCRVβCDR3 repertoire in the rat thymus, liver and hepatocellular carcinoma tissues were analyzed by polymerase chain reaction. Compared with the FRL-OHC model animals without any treatment, those treated with JPJD exhibited significantly inhibited hepatocellular carcinoma growth (P&lt;0.05), reduced weight loss (P&lt;0.01) and stable visceral indices (P&lt;0.05). Furthermore, the JPJD treatment appeared to improve Simpsons diversity index (Ds) values and the quasi-Gaussian distribution rate of the TCRVβCDR3 repertoire in the thymus, liver and hepatocellular carcinoma tissues. However, no anti-hepatoma effects were evident in the rats treated with TP5. In addition, TP5 increased the Ds values and the quasi-Gaussian distribution rate of the TCRVβCDR3 repertoire in hepatocellular carcinoma tissues compared with those in the JPJD-treated group. The anti-hepatoma effects of JPJD in FRL-OHC-induced animals may be due to the promotion of the Ds values of the TCRVβCDR3 repertoire.

experimental and therapeutic medicine

Effect of the herbal formulation Jianpijiedu on the TCRVβCDR3 repertoire in rats with hepatocellular carcinoma and subjected to food restriction combined with laxative