Related Experiment Video
Updated: Jun 2, 2025
04:14
Author Spotlight: In Vivo Assessment of Thyroid Hormone Disruption Using the THAI Mouse Model
Published on: October 6, 2023
766
Transcriptomic landscape of hyperthyroidism in mice overexpressing thyroid-stimulating hormone
Ichiro Yamauchi1, Taku Sugawa1, Takuro Hakata1
1Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan.
Iscience
|January 15, 2025
Summary
Thyroid-stimulating hormone receptor (TSHR) activation causes hyperthyroidism. Transcriptome analysis in TSH-overexpressing mice revealed new insights into TSHR signaling and potential goiter development pathways.
Area of Science:
- Endocrinology
- Molecular Biology
- Genomics
Background:
- Thyroid-stimulating hormone receptor (TSHR) activation is a primary cause of hyperthyroidism.
- Understanding TSHR signaling is crucial for managing thyroid disorders.
Purpose of the Study:
- To investigate the molecular mechanisms underlying TSHR signaling and hyperthyroidism.
- To identify novel genes and pathways involved in goiter development and thyroid hormone secretion.
Main Methods:
- Transcriptome analysis of hyperthyroid mouse models with TSH overexpression.
- Enrichment analyses to identify associated biological pathways.
- Gene knockout studies to validate the role of specific genes (e.g., Slc26a4).
Main Results:
- TSH overexpression significantly altered the thyroid transcriptome.
- Cell cycle, PI3K/Akt, and Ras-related protein 1 pathways were implicated in goiter development.
- Slc26a4 was upregulated but not essential for TSH-induced hyperthyroidism.
Conclusions:
- The study identified potential novel regulators of thyroid function beyond known pathways.
- Transcriptome data provides a valuable resource for future research on TSHR signaling and hyperthyroidism.
