Transcriptomics

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Development Of Pre-Clinical Murine Models For Fibrolamellar Hepatocellular Carcinoma


ABSTRACT: Fibrolamellar hepatocellular carcinoma(FLC) is a rare form of cancer that affects primarily adolescentsand young adults. FLC tumors are typically associated with an intrachromosomal deletion resulting in expression of a fusion protein between the chaperone DNAJ1B and the protein kinase PKA. FLC ischallenging to study because of its rarity and limited pre-clinical models. Here, we developed a novel transgenic mouse model of FLC. In this model, DNAJ1B-PKA expression in the liver of mouse embryos results in perinatal lethalityassociated with liver developmental defects, while DNAJ1B-PKA expression in the liver of adult mice initiates tumors resembling FLC at low penetrance. Some of these tumors can be serially propagated in 3D cultures and in allografts, including in syngeneic hosts. One such model shows growth inhibition upon treatment with the CDK4/6 inhibitor palbociclib. New pre-clinical models of FLC will provide novel insights into the biology of this rare cancerand may help identify novel therapeutic strategies.

ORGANISM(S): Mus musculus

PROVIDER: GSE249325 | GEO | 2024/06/03

REPOSITORIES: GEO

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