Therapeutic Efficacy of Vitamin D in Experimental c-MET-β-Catenin-Driven Hepatocellular Cancer

Gene Expression
Akiko MatsudaTushar Patel

Abstract

Aberrant activation of β-catenin signaling is frequently observed in hepatocellular cancer. Although Wnt/β-catenin signaling can be targeted by vitamin D, therapeutic use of vitamin D for this purpose is not currently established. We evaluated the therapeutic use of vitamin D or its analogs using a synthetic transgenic mouse of hepatocarcinogenesis induced by mutant β-catenin, and MET overexpression in which 75% of mice develop well-differentiated HCC within 8 weeks in the absence of fibrosis. Vitamin D receptor expression was similar in both tumoral and nontumoral tissue. There was no significant difference in overall survival, or in tumor progression assessed by imaging, biochemical, or tumor cell burden assessments in mice receiving a vitamin D-supplemented diet containing 12.0 IU VD/g (HVD) compared with a standard diet (SD) containing 2.3 IU VD/g. Furthermore, systemic treatment with calcitriol [vitamin D analog 1α,25(OH)₂D₃] or EB1089 (synthetic vitamin D analog) by intraperitoneal injection for 4 weeks prolonged median survival but did not increase overall survival compared with controls. Although tumor formation was delayed in males compared with that in females, there was no difference in overall survival between males...Continue Reading

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Citations

Nov 25, 2020·Cancers·José Manuel González-SanchoAlberto Muñoz
Nov 15, 2021·The Journal of Steroid Biochemistry and Molecular Biology·Renata L GotoGuilherme R Romualdo

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