GUO Zhao-juan,ZHANG Jing-xuan,KANG Qian-jun,et al.Comparative Study on Hepatotoxicity of Psoraleae Fructus in Rats and Mice[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(22):16-25.
GUO Zhao-juan,ZHANG Jing-xuan,KANG Qian-jun,et al.Comparative Study on Hepatotoxicity of Psoraleae Fructus in Rats and Mice[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(22):16-25. DOI: 10.13422/j.cnki.syfjx.20201970.
Comparative Study on Hepatotoxicity of Psoraleae Fructus in Rats and Mice
Arrange long-term toxicity experiments by a uniform design method, so as to explore the effect of different extracts of Psoraleae Fructus on liver toxicity in rats and mice, and find the drug factors that cause psoralen liver toxicity.
Method
2
Based on the factors of processing, extraction technology, dosage and treatment course, each experimental group was arranged by uniform design method. A total of 220 SD rats and 220 Kunming mice with half male and half female were divided into normal groups and drug groups 1 to 8. The corresponding drugs (50% alcohol extract of salt Psoraleae Fructus in rats 2.57 g·kg
-1
, mice 5.14 g·kg
-1
, 95% alcohol extract of Psoraleae Fructus in rats 0.51 g·kg
-1
, mice 1.02 g·kg
-1
, 70% alcohol extract of salt Psoraleae Fructus in rats 1.71 g·kg
-1
, mice 3.42 g·kg
-1
, water extract of Psoraleae Fructus in rats 1.03 g·kg
-1
, mice 2.06 g·kg
-1
, water extract of salt
Psoraleae Fructus in rats 1.03 g·kg
-1
, mice 2.06 g·kg
-1
, 70% alcohol extract of Psoraleae Fructus in rats 1.71 g·kg
-1
, mice 3.42 g·kg
-1
, 95% alcohol extract of salt
Psoraleae Fructus in rats 0.51 g·kg
-1
, mice 1.02 g·kg
-1
, 50% alcohol extract of Psoraleae Fructus in rats 2.57 g·kg
-1
, mice 5.14 g·kg
-1
) were administered by gavage daily. The body weight and food intake of the rats and mice were measured once a week. After the treatment course, the rats were anesthetized with sodium pentobarbital, and blood was taken from the abdominal aorta, and the mice were sacrificed by removing the eyeballs, and the liver and brain were taken to calculate the organ coefficients. Serum was taken to determine liver function-related indicators, and the liver was taken for histopathological examination by hematoxylin-eosin (HE) staining.
Result
2
The liver visceral-brain ratio of female rats in group 3 were significantly increased (
P<
0.05). The liver quality, visceral-body ratio and visceral-brain ratio of male mice in groups 1 to 3 were significantly increased (
P<
0.05,
P<
0.01). Histopathological manifestations in mice were more obvious than those in rats. Histopathology showed hepatocyte hypertrophy in the central area of liver lobules in mice, in particular in group 3. According to the multiple regression equation, there were interactions between extraction technology, processing, dosage and treatment course, and the extraction technology was positively correlated with the pathological score of liver injury. Based on the results of visual analysis and other indicators, it is concluded that the extraction technology factor is most relevant to psoralen liver toxicity of Psoraleae Fructus.
Conclusion
2
Psoraleae Fructus has the hepatotoxicity, which is related to ethanol extraction technology; alcohol extraction is more toxic than water extraction, and 70% ethanol extraction is the most toxic. Besides, there are species differences, with a more significant hepatotoxicity in mice than that in rats.
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