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Genome-wide cDNA expression analysis of seminoma-like TCam-2 cells during transition into an embryonal carcinoma-like state

ABSTRACT: Illumina cDNA expression microarray analysis of seminoma-like TCam-2 cells xenografted in nude mice. 2120EP embryonal carcinoma cells served as control. TCam-2 cells acquire pluripotency and become epigenetically reprogrammed to an embryonal carcinoma-like state during in vivo growth. This analysis is part of the article 'BMP inhibition in seminomas initiates acquisition of pluripotency via NODAL signaling resulting in reprogramming to an embryonal carcinoma' by Nettersheim et al., 2015. PLoS Genetics Total RNA was isolated from tumors of TCam-2 and 2102EP cells xenografted for 1, 2, 4 and 6 weeks as well as 4 and 8 weeks, respectively. 1x10^7 cells were xenografted. In vivo samples of TCam-2 cells were analyzed in biological duplicates. In vitro cultivated TCam-2 / 2102EP cells as well as 2102EP xenografted for 4 and 8 weeks were analyzed once.

ORGANISM(S): Homo sapiens

SUBMITTER: Daniel Nettersheim

PROVIDER: E-GEOD-60698 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Genome-wide DNA methylation analysis of seminoma-like TCam-2 cells during transition into an embryonal carcinoma-like state

Project description:Illumina 450k DNA methylation microarray analysis of seminoma-like TCam-2 cells xenografted in nude mice. 2120EP embryonal carcinoma cells served as control. TCam-2 cells acquire pluripotency and become epigenetically reprogrammed to an embryonal carcinoma-like state during in vivo growth. This analysis is part of the article 'BMP inhibition in seminomas initiates acquisition of pluripotency via NODAL signaling resulting in reprogramming to an embryonal carcinoma' by Nettersheim et al., 2015. PLoS Genetics Genomic DNA was isolated from tumors of TCam-2 and 2102EP cells xenografted for 1, 2, 4 and 6 weeks as well as 4 and 8 weeks, respectively. In vivo samples of TCam-2 cells were analyzed in biological duplicates. In vitro cultivated TCam-2 / 2102EP cells as well as 2102EP xenografted for 4 and 8 weeks were analyzed once.

2015-08-01 | E-GEOD-60787 | biostudies-arrayexpress

ChIP-seq. analysis of pan-histone 3 acetylation in Romidepsin treated TCam-2

Project description:ChIP-seq. analysis of TCam-2 16 h after 10 nanomolar Romidepsin application. DMSO treated cells were used as controls. For ChIP, an antibody against histone H3 pan-acetylation was used. These data are part of the article 'The Histone Deacetylase Inhibitor Romidepsin Efficiently Targets Cisplatin-resistant Germ Cell Cancer Cells via Downregulation of the SWI/SNF-Complex Member ARID1A' (Nettersheim et al., 2016). TCam-2 cells treated for 16h with romidepsin or the solvent were fixed by formaldehyde solution and further processed by Active Motif, including DNA shearing by sonication, chromatin-immunoprecipitaion, library generation and sequencing (NextSeq 500, Illumina). Pooled input DNA of each sample including spike-in Drosophila DNA was used as controls and for normalization. The 75-nt sequence reads were mapped against the genome using BWA algorithm. Duplicate reads were removed. Only peaks that align with no more than 2 mismatches and map uniquely to the genome were used for further analysis. Intervals / peaks were identified by the MACS peak finding algorithm (cutoff p-value 1x10-7) including ENCODE blacklist filtering

2016-09-01 | E-GEOD-78262 | biostudies-arrayexpress

Genome-wide DNA methylation analysis of seminoma-like TCam-2 cells during transition into an embryonal carcinoma-like state

2015-08-01 | GSE60787 | GEO

Genome-wide expression microarray analysis of seminoma-like TCam-2 cells during transition into an embryonal carcinoma-like state

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2015-08-01 | GSE60698 | GEO

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Identification of factors secreted by testicular germ cell tumor cell lines and microenvironmental cells.

Project description:Type II germ cell tumors (GCTs) are the most common neoplasia in young men of age 14-45 years. It is generally accepted that GCTs arise from a common precursor lesion, called germ cell neoplasia in situ (GCNIS), eventually developing into seminomas or non-seminomas, such as (embryonal carcinomas, ECs). The latter stem-cell like EC can further differentiate into teratomas (TE), yolk-sac tumors (YST), or choriocarcinomas (CC). Even though cisplatin-based chemotherapy is an efficacious standard of care during the management of GCT patients, the development of cisplatin resistance remains a major obstacle. As such, the surrounding tumor microenvironment and its secreted factors could endorse the development of drug resistance. These stromal cells, including immune cells (e.g. macrophages, T-lymphocytes), endothelial cells, and fibroblasts, can influence tumor cells by promoting proliferative and anti-apoptotic signaling pathways. Vice versa, microenvironmental cells can be influenced by tumor cells as well. For the identification of secreted proteins, cell lysates and supernatants from seven human germ cell tumor cell lines (seminoma: TCam-2; embryonal carcinoma (EC): 2102EP, NCCIT; choriocarcinoma (CC): JAR, JEG-3), yolk-sac tumor (YST): GCT72; 1411H) and five human cell types from the microenvironment (fibroblasts: MPAF, HVHF2; M2 macrophages: THP-1-M2; T-lymphocytes: JURKAT; endothelial cells: HUVEC) have been evaluated using liquid chromatography coupled with mass spectrometry (LC-MS).

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