ArticleAnimal models and experimental medicine2023
Establishment of image-guided radiotherapy of orthotopic hepatocellular carcinoma mouse model.
Article in Animal models and experimental medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 4 citations in OpenAlex.
- Patient-Derived Models of Liver Cancer to Inform Clinical Treatment Paradigms: Recent Updates.Seminars in liver disease · 2026Review
- Establishing a novel mouse model of tacrolimus-induced post-transplant hepatocellular carcinoma pulmonary recurrence for transplant oncology.Frontiers in cell and developmental biology · 2026Article
- A precision image-guided model of stereotactic ablative radiotherapy for hepatocellular carcinoma.Disease models & mechanisms · 2025Article
- Aurora B facilitates cholangiocarcinoma progression by stabilizing c-Myc.Animal models and experimental medicine · 2024Article
- Establishment of image-guided radiotherapy of orthotopic hepatocellular carcinoma mouse model.Animal models and experimental medicine · 2023Article
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7 authors at 2 institutions in 1 country.
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Abstract
backgroundHepatocellular carcinoma (HCC) is the most common type of liver cancer. Recently, developments in radiotherapy technology have led to radiotherapy becoming one of the main therapeutics of HCC. Therefore, a suitable animal model for radiotherapy of the orthotopic HCC mouse model is urgently needed.
methodsIn the present study, Hepa1-6 cells were injected into the liver of C57BL/6 mice in situ to mimic the pathological characteristics of the original HCC. Tumor formation was monitored by applying magnetic resonance imaging techniques and verified by H&E histopathological staining, AFP staining, and Ki67 staining. A single dose of 10 Gy X-ray was applied to simulate clinical radiotherapy plans using image-guided radiotherapy (IGRT) equipment. The efficiency of radiotherapy was then assessed by examining tumor size and weight one week after radiation. Cleaved-caspase3 staining and TUNEL were used to assess apoptosis in tumor tissues.
resultsIntrahepatic tumor development was detected in the liver according using MRI. A high-density shadow could be seen 10 days after cell injection, which indicated the formation of HCC in vivo. The tumors grew steadily bigger, and underwent precision radiotherapy 20 days after injection. The typical pathological characteristics of HCC, such as large, deeply stained nuclei and irregular cell size, were visible with H&E staining. After radiotherapy, significantly higher expression of the immunohistochemical markers Ki67 and AFP were detected in tumor tissue than in the nearby normal tissue. Compared with the control group, the tumor volume (p = 0.05) and weight (p < 0.05) of the irradiated group were significantly reduced. In addition, a higher frequency of apoptosis was identified in irradiated HCC tumor tissue using the TUNEL and cleaved-caspase3 staining assay.
conclusionsIn a well-established orthotopic HCC model, MRI was utilized to monitor the formation of tumors, and IGRT was used to simulate clinical radiotherapy. The present study could provide a suitable preclinical system for HCC radiotherapy-related studies.
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