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Modeling the tumor microenvironment of anaplastic thyroid cancer: an orthotopic tumor model in C57BL/6 mice

ABSTRACT: Modeling the tumor microenvironment of anaplastic thyroid cancer: an orthotopic tumor model in C57BL/6 mice

PROVIDER: PRJNA980680 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24837448_1.fastq.gz	Fastqsanger.gz
	SRR24837448_2.fastq.gz	Fastqsanger.gz
	SRR24837449_1.fastq.gz	Fastqsanger.gz
	SRR24837449_2.fastq.gz	Fastqsanger.gz
	SRR24837450_1.fastq.gz	Fastqsanger.gz

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PIAS2b dsRNAi repression kills by mitotic catastrophe anaplastic thyroid and non-thyroid carcinomas, but not normal thyroid or differentiated carcinomas

Project description:The E3 SUMO ligase PIAS2 is expressed at high levels in differentiated papillary thyroid carcinomas but at low levels in anaplastic thyroid carcinomas (ATC), an undifferentiated cancer with very high mortality. Double-stranded RNA–directed RNA interference (dsRNAi) targeting the PIAS2 isoform beta (PIAS2b) inhibits growth of ATC cell lines and patient primary cultures in vitro and orthotopic patient-derived xenografts (oPDX) in vivo, but not of thyroid cell lines or non-anaplastic primary thyroid cultures (differentiated carcinoma, benign lesions, or normal). PIAS2b-dsRNAi also has an anti-cancer effect on other anaplastic human cancers (pancreas, lung, and gastric). Mechanistically, PIAS2b is required for proper mitotic spindle and centrosome assembly, and it is a dosage-sensitive protein in ATC. Strikingly, PIAS2b-dsRNAi induces mitotic catastrophe at prophase. High-throughput proteomics revealed the proteasome (PSMC5) and spindle cytoskeleton as direct targets of PIAS2b SUMOylation at mitotic initiation. PIAS2b-dsRNAi is a promising therapy for ATC and other aggressive anaplastic cancers.

2024-04-08 | PXD044110 | Pride

Modeling the tumor microenvironment of anaplastic thyroid cancer: an orthotopic tumor model in C57BL/6 mice

Project description:Adapted TBP3743 cells were generated via in vivo serial passaging in C57BL/6 mice. Subsequently, the following orthotopic tumor models were established via intrathyroidal injection.

2023-06-30 | GSE234282 | 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

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Normal thyrocytes vs papillary vs anaplastic thyroid carcinomas

Project description:We profiled the gene expression of 11 anaplastic thyroid carcinomas (ATC), 49 papillary thyroid carcinomas (PTC) and 45 normal thyroids (N) We hibridized a series of anaplastic thyroid carcinomas (ATC) and papillary thyroid carcinomas (PTC) onto Affymetrix U133 Plus 2.0 arrays. ATCs were obtained from different hospitals in France and Belgium. Paired RNA samples of PTCs and non-tumoral thyroid tissues were obtained from Ukraine via the Chernobyl Tissue Bank (www.chernobyltissuebank.com). Diagnoses were confirmed by the members of the International Pathology Panel of the Chernobyl Tissue Bank.

2012-11-09 | E-GEOD-33630 | biostudies-arrayexpress

Normal thyrocytes vs papillary vs anaplastic thyroid carcinomas

Project description:We profiled the gene expression of 11 anaplastic thyroid carcinomas (ATC), 49 papillary thyroid carcinomas (PTC) and 45 normal thyroids (N)

2012-11-09 | GSE33630 | GEO

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

Determination of a cell proliferation and chromosomal instability signature in anaplastic thyroid carcinoma

Project description:A comparison of profiles of normal thryoid tissue (NT), papillary thyroid carcinoma tissue (PTC) and anaplastic thyroid carcinoma tissue (ATC) was carried out to identify expression patterns specifically associated with analplastic thyroid carcinoma Keywords: Expression profile survey of normal tissue and tumor subtypes

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p53 constrains progression to anaplastic thyroid carcinoma in a Braf-mutant mouse model of papillary thyroid cancer.

Project description:Anaplastic thyroid carcinoma (ATC) has among the worst prognosis of any solid malignancy. The low incidence of the disease has in part precluded systematic clinical trials and tissue collection, and there has been little progress in developing effective therapies. BRAF and TP53 mutations co-occur in a high proportion of ATC, particularly those associated with a precursor papillary thyroid carcinoma (PTC). In order to develop an adult-onset model of BRAF-mutant anaplastic thyroid carcinoma, we generated a novel thyroid-specific CreER transgenic mouse. We utilize a Cre-regulated BrafV600E mouse and a conditional Trp53 allelic series to demonstrate that p53 constrains progression from papillary to anaplastic thyroid carcinoma. Gene expression and immunohistochemical analyses of murine tumors identified the cardinal features of human ATC including loss of differentiation, local invasion, distant metastasis and rapid lethality. We employed small animal ultrasound imaging to monitor autochthonous tumors, and show that treatment with the selective BRAF inhibitor PLX4720 improved survival, but did not lead to tumor regression or suppress signaling through the MAPK pathway. Combination of PLX4720 and the MEK inhibitor PD0325901 more completely suppressed MAPK pathway activation in mouse and human ATC cell lines, and improved the structural response and survival of ATC-bearing animals. This model expands the limited repertoire of autochthonous models of clinically aggressive thyroid cancer, and these data suggest that small molecule MAPK pathway inhibitors hold clinical promise in the treatment of advanced thyroid carcinoma. Total RNA from five murine papillary thyroid carcinoma (PTC) tumors and five murine anaplastic thyroid carcinoma (ATC) tumors was analyzed.

2014-04-02 | E-GEOD-55933 | biostudies-arrayexpress

Gene array analysis of anaplastic thyroid carcinoma tissue versus matched and unmatched normal thyroid tissue

Project description:Currently there is a lack of effective therapies which result in long-term durable response for patients presenting with anaplastic thyroid carcinoma (ATC), a very rare and lethal variant of thyroid cancer. ATC is resistant to chemotherapy, radiation, and targeted therapies currently available. In an effort to identify novel tumor-specific therapeutic targets, we performed high throughput gene array analysis screening numerous patient ATC tumor tissues, and compared their gene expression levels to matched and unmatched normal thyroid tissue samples. RNA was extracted from flash frozen patient tumor and normal samples. Gene array analysis was performed, and resulting expression levels were compared between normal and tumor samples.

2015-01-22 | E-GEOD-65144 | biostudies-arrayexpress

Gene array analysis of anaplastic thyroid carcinoma tissue versus matched and unmatched normal thyroid tissue

2015-01-22 | GSE65144 | GEO