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Common Tumor Suppressive Signaling of Thyroid Hormone Receptor Beta in Breast and Thyroid Cancer Cells

ABSTRACT: Common Tumor Suppressive Signaling of Thyroid Hormone Receptor Beta in Breast and Thyroid Cancer Cells

PROVIDER: PRJNA635931 | ENA |

REPOSITORIES: ENA

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Common Tumor Suppressive Signaling of Thyroid Hormone Receptor Beta in Breast and Thyroid Cancer Cells

Project description:The thyroid hormone receptor beta (TRβ) is a tumor suppressor in multiple types of solid tumors, most prominently in breast and thyroid cancer. An increased understanding of the molecular mechanisms by which TRβ abrogates tumorigenesis could aid in understanding the core tumor suppressive program that TRβ facilitates. Here, we introduce TRβ into the MDA-MB-468 basal-like breast cancer cell line and perform RNA-sequencing to determine changes in transcriptomic signaling. The TRβ expressing MDA-MB-468 cells exhibit a more epithelial character as determined by PCA-PAM50 score and through repression of mesenchymal cytokeratins. The epithelial to mesenchymal transition pathway is also significantly reduced. The MDA-MB-468 dataset was also compared to RNA sequencing results from the thyroid cancer line SW1736 to determine which genes are TRβ regulated across both tissue types. Stearate biosynthesis was revealed as upregulated from the shared gene set, a lipid which is known to repress breast tumorigenesis, as were chromatin remodeling pathways. These data provide novel insights into the molecular mechanisms by which TRβ suppresses breast tumorigenesis and suggests a common metabolic role in breast and thyroid cancer as well a role for TRβ in the maintenance of epithelial cellular identity.

2021-09-21 | GSE151479 | GEO

Thyroid Hormone Receptor Beta Induces a Tumor Suppressive Program in Anaplastic Thyroid Cancer

Project description:Thyroid Hormone Receptor Beta Induces a Tumor Suppressive Program in Anaplastic Thyroid Cancer

| PRJNA631915 | ENA

Thyroid Hormone Receptor Beta Induces a Tumor Suppressive Program in Anaplastic Thyroid Cancer

Project description:The thyroid hormone receptor beta (TRβ), a key regulator of cellular growth and differentiation, is frequently dysregulated in cancers. Diminished expression of TRb is noted in thyroid, breast, and other solid tumors and is correlated with more aggressive disease. Restoration of TRb levels decreased tumor growth supporting the concept that TRb could function as a tumor suppressor. Yet, the TRb tumor suppression transcriptome is not well delineated and the impact of TRb is unknown in aggressive anaplastic thyroid cancer (ATC). Here, we establish that restoration of TRb expression in the human ATC cell line SW1736 (SW-TRβ) reduces the aggressive phenotype, decreases cancer stem-cell populations and induces cell death in a T3-dependent manner. Transcriptomic analysis of SW-TRβ cells via RNA-sequencing revealed distinctive expression patterns induced by ligand-bound TRβ and revealed novel molecular signaling pathways. Of note, liganded TRβ repressed multiple nodes in the PI3K/AKT pathway, induced expression of thyroid differentiation markers, and promoted pro-apoptotic pathways. Our results further revealed the JAK1-STAT1 pathway as a novel, T3-mediated, anti-tumorigenic pathway that can be activated in additional ATC lines. These findings elucidate a TRb-driven tumor suppression transcriptomic signature, highlight unexplored therapeutic options for ATC, and support TRb activation as a promising therapeutic option in cancers.

2020-05-13 | GSE150364 | GEO

Thyroid hormone receptor beta is required for thyrotrpin regulation and thyroid hormone production.

Project description:Thyroid hormone receptor beta is required for thyrotrpin regulation and thyroid hormone production.

| PRJNA703005 | ENA

Thyroid hormone receptor beta is required for thyrotrpin regulation and thyroid hormone production.

Project description:Thyroid hormone receptor beta (THRB) is post-translationally modified by small ubiquitin-like modifier (SUMO). To investigate the biological role of THRB sumoylation, we generated a mouse model with a mutation that disrupts sumoylation at lysine 146 (K146Q). The THRB K146Q mutant mice had normal serum thyroxine (T4), markedly elevated serum thyrotropin (TSH) (81-fold above control), and enlargement of both the pituitary and the thyroid gland. The marked elevation in TSH, despite a normal serum T4 concentration, indicated blunted feedback regulation of TSH. TH profuction was 10-fold lower (per mg of thyroid tissue) in mutant mice compared to Wt mice.

2021-02-20 | GSE167105 | GEO

GNPS - Maternal thyroid hormone receptor beta activation sparks brown fat thermogenesis in the offspring

Project description:Metabolomics dataset of serum from T3-treated dams. Related to following publication by Oelkrug et al: "Maternal thyroid hormone receptor beta activation sparks brown fat thermogenesis in the offspring"

2023-01-11 | MSV000091042 | GNPS

Chromatin immunopreciptiation to identify thyroid hormone receptor beta-1 binding sites in mouse cerebellum

Project description:chip on chip to identify thyroid hormone receptor responsive gene

2009-04-03 | E-MEXP-1801 | biostudies-arrayexpress

Thyroid hormone receptor a in skeletal muscle is essential for thyroid thermogenesis

Project description:Thyroid hormones are important for homeostatic control of energy metabolism and body temperature. Although skeletal muscle is considered an important site for thyroid action, the contribution of thyroid hormone receptor signaling, in muscle, to whole-body energy metabolism and body temperature has not been resolved. Here, we show that thyroid hormone-induced increase in energy expenditure requires thyroid hormone receptor alpha 1 (TRa1) in skeletal muscle, but that thyroid hormone induced elevation in body temperature is independent of muscle-TRa1. In slow-twitch soleus muscle, ablation of TRa1 leads to an altered fiber type composition toward a more oxidative phenotype, which, however, does not influence running capacity or motivation to voluntary running. RNA-sequencing of soleus muscle from WT mice and TRaHSACre mice revealed differentiated transcriptional regulation of genes associated with muscle thermogenesis, such as sarcolipin and UCP3, thus providing molecular clues pertaining to the mechanistic underpinnings of TRa1-linked control of whole-body metabolic rate. Together, this work establishes a fundamental role for skeletal muscle in thyroid hormone-stimulated increase in whole-body energy expenditure.

2020-09-21 | GSE146336 | GEO

Thyroid hormone receptor alpha is required for thyroid hormone-dependent neural cell proliferation during tadpole metamorphosis

Project description:Using tadpoles mutant for thyroid hormone receptor alpha (thra), we show that TRa is required for thyroid hormone (T3) induction of cell proliferation in the brain. RNA-sequencing showed that the TRa is required for 95% of the gene regulation responses to T3.

2019-05-13 | GSE130816 | GEO

The thyroid hormone receptor β inhibits self-renewal capacity of breast cancer stem cells (Adherent MCF7 cells)

Project description:Since the thyroid hormone receptor β (TRβ) appears to suppress breast tumor growth and metastasis, we have analyzed the possibility that this receptor could affect cancer stem cell biology using TRβ-expressing MCF-7 cells (MCF7-TRβ cells) treated with the thyroid hormone T3.

2019-12-05 | GSE117949 | GEO

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