Thioacetamide-induced hepatic fibrosis in the common marmoset

Experimental Animals
Takashi InoueMasayuki Shimoda

Abstract

The common marmoset (Callithrix jacchus) is a nonhuman primate that is used for preclinical research on stem cell transplantation therapies due to its similarity to human beings as well as its small size, enabling researchers to perform experiments without preparing a large number of cells. In this study, we developed a marmoset hepatic fibrosis model for regenerative medicine research. Six female marmosets aged 4-6 years were administered thioacetamide (TAA) at a dose of 2.5-40 mg/kg two or three times a week. Hepatic fibrosis was assessed by liver biopsy when blood chemistry indicated liver damage. Administration of TAA increased total bile acid, aspartate aminotransferase, and total bilirubin and decreased serum albumin levels. Following more than 11 weeks of continuous injection of TAA, histological analyses detected hepatic fibrosis in all animals. Type IV collagen 7S serum levels in animals with hepatic fibrosis were significantly higher than in normal animals as a possible marker of hepatic fibrosis in marmosets. Serial liver biopsies following the last administration of TAA revealed that induced fibrosis remained up to 11 weeks. The results suggest that continuous TAA administration induces persistent hepatic fibrosis i...Continue Reading

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Citations

Feb 14, 2020·Scientific Reports·Megumi MatsuoHideki Taniguchi
Mar 12, 2021·ILAR Journal·Jung Eun Park, Erika Sasaki
Jun 15, 2021·Frontiers in Physiology·Yu-Long BaoShao-Wei Li

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Methods Mentioned

BETA
biopsy
serum collection
biopsies

Software Mentioned

GraphPad
Prism
ImageJ

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