Title : Canonical Thyroid Hormone Receptor β Action Stimulates Hepatocyte Proliferation in Male Mice.

Pub. Date : 2022 Mar 1

PMID : 35038735






3 Functional Relationships(s)
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1 METHODS: Wild type (WT) mice, TRbeta knockout mice (TRbeta KO), TRbeta mutant mice with either specifically abrogated DNA-binding (TRbeta GS) or abrogated direct PI3K activation (TRbeta 147F) were treated with T3 for 6h or 7 days. Triiodothyronine thyroid hormone receptor beta Mus musculus
2 RESULTS: T3 induced hepatocyte proliferation with an increased number of Ki67-positive cells in WT and TRbeta 147F mice (9.2+-6.5% and 10.1+-2.9%) compared to TRbeta KO and TRbeta GS mice (1.2+-1.1% and 1.5+-0.9%). Triiodothyronine thyroid hormone receptor beta Mus musculus
3 Microarray analysis and GSEA showed that genes of the Wnt/beta-catenin pathway, among them Fzd8 (Frizzled receptor 8) and Ctnnb1 (beta-catenin), were positively enriched only in T3-treated WT and TRbeta 147F mice while anti-proliferative factor Btg2 was repressed. Triiodothyronine thyroid hormone receptor beta Mus musculus