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Thyroid hormone receptor α controls larval intestinal epithelial cell death by regulating the CDK1 pathway

ABSTRACT: Thyroid hormone receptor α controls larval intestinal epithelial cell death by regulating the CDK1 pathway

PROVIDER: PRJNA679246 | ENA |

REPOSITORIES: ENA

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Thyroid hormone receptor α controls larval intestinal epithelial cell death by regulating the CDK1 pathway

Project description:Our study represents the first detailed analysis of thyroid hormone binding to the genome in the intestine of wild-type and TRα (-/-) tadpoles, with biological replicates, generated by ChIP-seq technology. The optimized data analysis workflows reported here should provide a framework for comparative investigations of TR binding profiles.

2022-07-19 | GSE161718 | GEO

Thyroid hormone receptor α controls larval intestinal epithelial cell death by regulating the CDK1 pathway.

Project description:Thyroid hormone (T3) regulates adult intestine development through T3 receptors (TRs). It is difficult to study TR function during postembryonic intestinal maturation in mammals due to maternal influence. We chose intestinal remodeling during Xenopus tropicalis metamorphosis as a model to study TR function in adult organ development. By using ChIP (chromatin immunoprecipitation)-Seq, we identified over 3000 TR-bound genes in the intestine of premetamorphic wild type or TRα (the major TR expressed during premetamorphosis)-knockout tadpoles. Surprisingly, cell cycle-related GO (gene ontology) terms and biological pathways were highly enriched among TR target genes even though the first major event during intestinal metamorphosis is larval epithelial cell death, and TRα knockout drastically reduced this enrichment. More importantly, treatment of tadpoles with cell cycle inhibitors blocked T3-induced intestinal remodeling, especially larval epithelial cell death, suggesting that TRα-dependent activation of cell cycle is important for T3-induced apoptosis during intestinal remodeling.

| S-EPMC8821549 | biostudies-literature

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 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

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

Target genes of thyroid hormone in cerebellum neurons

2012-03-30 | GSE24793 | GEO

Thyroid hormone receptor is essential for larval eptiehlial apoptosis and adult epithelial stem cell development

Project description:Our experiment revealed that TR double knockout completely blocks intestinal length shortening, larval cell death, and adult stem cell development, demonstrating a requirement for TR in adult intestinal development.

2021-03-31 | GSE161714 | GEO

Thyroid hormone receptor is essential for larval eptiehlial apoptosis and adult epithelial stem cell development

Project description:Thyroid hormone receptor is essential for larval eptiehlial apoptosis and adult epithelial stem cell development

| PRJNA679241 | ENA

A cardiac developmental defect prevents thyroid hormone induced tachycardia in Resistance to Thyroid Hormone alpha

Project description:A cardiac developmental defect prevents thyroid hormone induced tachycardia in Resistance to Thyroid Hormone alpha

| PRJNA850193 | ENA

Target genes of thyroid hormone in cerebellum neurons

Project description:Cerebellar post-natal development is particularly sensitive to thyroid hormone and low levels of thyroid hormone (hypothyroidism) result in permanent defects in cerebellar architecture and function. All cell types of the cerebellum are affected, but the main sign of hypothyroidism in mice is the persistence of the external granular layer, composed of mitotic neuronal precursors at P21. To make the genetic link between thyroid hormone and cerebellar development, we sought to identify new thyroid hormone target genes, in particular in granule cells which represent the vast majority of cerebellar cells. Primary cultures of cerebellar neurons were made by dissociation of cerebella from newborn wild-type mice. These cells were plated 48 hours in serum-free medium to avoid invasion of the culture by glial cells. In order to include a kinetic and a maximum number of target genes, several cultures were either treated or left untreated as controls for 6 hours (T1), 16 hours (T2), 24 hours (T3) or 48 hours (T4) and results were pairwise compared for each time point.

2012-03-29 | E-GEOD-24793 | biostudies-arrayexpress

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