Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition · 2018
[Establishing Glioma-associated Oncogene Homolog 1 Genetic Lineage-tracing Mice for Studies on Hepatic Fibrosis].
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Sun Jing, Li Can, Ma Yan, Guo Li-Na, Tian Mao-Cen, Liu Qin, Liu Wei-Hua, Wu Jiang, Deng Feng-Mei, Liu Yi-Lun
Аннотация
OBJECTIVE: To establish Gli1-CreERt2; tdTomato genetic lineage-tracing mice for studies on hepatic fibrosis.
METHODS: Offspring of ROSA26 td Tomato (tdTomato) mice and Gli1-CreERt2 mice (Gli1 mice) were obtained, with Gli1-CreERt2; tdTomato genotype being identified by PCR. The mice model of hepatic fibrosis was induced with CCl4. Their liver samples were taken. The formalin-fixed and paraffin-embedded samples were prepared for HE staining and Masson staining. The expression of tdTomato was observed under immunofluorescent microscope.
RESULTS: An ideal number of Gli1-CreERt2; tdTomato genetic lineage-tracing mice were harvested. The differences in fertility between the parental and the offspring mice were not significant (P>0.05). Pseudolobular formation occurred in the CCl4-induced hepatic fibrosis model mice. Enhanced red fluoresce was observed in the model mice.
CONCLUSION: Gli1-CreERt2; tdTomato genetic lineage-tracing mice can be used to monitor the cell source of fibrous tissues, its transition as well as the underlying mechanism of pathogenesis of hepatic fibrosis.
METHODS: Offspring of ROSA26 td Tomato (tdTomato) mice and Gli1-CreERt2 mice (Gli1 mice) were obtained, with Gli1-CreERt2; tdTomato genotype being identified by PCR. The mice model of hepatic fibrosis was induced with CCl4. Their liver samples were taken. The formalin-fixed and paraffin-embedded samples were prepared for HE staining and Masson staining. The expression of tdTomato was observed under immunofluorescent microscope.
RESULTS: An ideal number of Gli1-CreERt2; tdTomato genetic lineage-tracing mice were harvested. The differences in fertility between the parental and the offspring mice were not significant (P>0.05). Pseudolobular formation occurred in the CCl4-induced hepatic fibrosis model mice. Enhanced red fluoresce was observed in the model mice.
CONCLUSION: Gli1-CreERt2; tdTomato genetic lineage-tracing mice can be used to monitor the cell source of fibrous tissues, its transition as well as the underlying mechanism of pathogenesis of hepatic fibrosis.