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  • Title: [Comparative study on dose-toxicity-effect of Tripterygium Glycosides Tablets and Tripterygium wilfordii Tablets on CIA model rats].
    Author: Liu LL, Tian YG, Su XH, Fan YF, Li C, Zhu XX, Cao W, Liu T, Wang HL, Xu Y, Kong XY, Lin N.
    Journal: Zhongguo Zhong Yao Za Zhi; 2019 Aug; 44(16):3502-3511. PubMed ID: 31602915.
    Abstract:
    The aim of this paper was to compare the properties of Tripterygium Glycosides Tablets and Tripterygium wilfordii Tablets from dose-effect-toxicity on type Ⅱ collagen-induced arthritis( CIA) in rats. SD rats were randomly divided into eight groups,including normal group,model group,Tripterygium Glycosides Tablets groups( 1 times equivalent dose 0.009 g·kg-1,4 times equivalent dose 0.036 g·kg-1,16 times equivalent dose 0.144 g·kg-1),Tripterygium wilfordii Tablets groups( 1 times equivalent dose 0.007 5 mg·kg-1,4 times equivalent dose 0.030 mg·kg-1,16 times equivalent dose 0.120 mg·kg-1). Beginning on the first immunization,Tripterygium Glycosides Tablets and Tripterygium wilfordii Tablets administered intraperitoneally once a day. After the second immunization,the symptoms such as redness and swelling of joints were observed,and the clinical score and incidence of arthritis were evaluated. HE and Masson staining were used to examine the histopathological changes of joints. The expression level of anti-type Ⅱ collagen antibody Ig G in serum was detected by ELISA,routine testing of blood components,the concentration of ALP( alkaline phosphatase),ALT( alanine aminotransferase),AST( aspartate aminotransferase),GGT( gamma-glutamyltransferase),TBi L( total bilirubin),CRE( creatinine) and UREA( urea) in serum were detected by enzymatic assay. The rate of sperm deformity in the epididymis was evaluated under light microscope. The extent of damage to the testis and ovarian tissue was assessed by HE staining. Tripterygium Glycosides Tablets and Tripterygium wilfordii Tablets attenuated the inflammation,redness,swelling and deformity of joints and reduced the clinical score and incidence of arthritis in CIA rats. Meanwhile,it also exhibited obvious reduction in all pathological features such as joint synovitis,pannus,cartilage erosion and bone destruction. Tripterygium Glycosides Tablets and Tripterygium wilfordii Tablets reduced Ig G in a dose-dependent manner,and Tripterygium Glycosides Tablets is better than Tripterygium wilfordii Tablets( P<0.05 or P<0.01). The high doses of Tripterygium Glycosides Tablets and Tripterygium wilfordii Tablets could significantly increase the organ coefficient of liver and spleen and reduced RBC and HGB in CIA rats( P<0.01),and severity leading to death. Gastric mucosal injury and morphological changes of liver and kidney were not observed in CIA rats of Tripterygium Glycosides Tablets and Tripterygium wilfordii Tablets treatment group. The 4 and 16 times doses of Tripterygium Glycosides Tablets and Tripterygium wilfordii Tablets could significantly increase serum ALT,GGT and decrease CRE( P<0.05 or P<0.01). Tripterygium Glycosides Tablets and Tripterygium wilfordii Tablets could increase the sperm deformity rate and damage the testicular seminiferous tubules of CIA male rats. Severity increased with dose and time increasing. The effect of Tripterygium Glycosides Tablets( 16 times) is more significant than Tripterygium wilfordii Tablets( 16 times). Tripterygium Glycosides Tablets and Tripterygium wilfordii Tablets significantly delayed onset of arthritis and inhibited the paw edema and arthritic score. Tripterygium Glycosides Tablets and Tripterygium wilfordii Tablets also caused male reproductive damage,high dose affected hematopoiesis,and maximum dose leading to death. Tripterygium Glycosides Tablets and Tripterygium wilfordii Tablets all depended on dose-effect-toxicity manner. Anti-arthritis effect of Tripterygium Glycosides Tablets is better than Tripterygium wilfordii Tablets,but the toxicity of Tripterygium Glycosides Tablets maximum dose is more obvious. The relevant conclusions of our study will provide experimental references for clinical rational use of drugs,and further clinical studies are needed to confirm our conclusions.
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