Homo sapiens
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ABSTRACT:
PROVIDER: PRJNA107793 | ENA |
REPOSITORIES: ENA
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Project description:Comparison of miRNA expression profiles in malignant germ cell tumors compared to non-malignant control group. Use of bioinformatic algorithm Sylamer to interrogate mRNA expression profiles from malignant germ cell tumors for enrichment or depletion of binding sites for differentially expressed miRNAs. Use of Gene Ontology (GO) analysis to demonstrate functional significance of differentially expressed miRNAs in malignant germ cell tumors. mRNA profiling: Analyzed global mRNA expresion profiles from 21 pediatric samples (17 malignant germ cell tumors, 1 benign germ cell tumor and 3 gonadal controls) using Sylamer (van Dongen et al, Nature Methods 2008, PMID 18978784) to study functional significance of differentially expressed miRNAs in malignant germ cell tumors. 16 of these files previously published - Palmer et al, Cancer Research 2008, PMID 18519683; GEO Accession Number GSE10615. Similarly, re-analyzed published global mRNA expresion profiles from 25 adult samples (20 malignant germ cell tumors and 5 testis controls) using Sylamer (van Dongen et al, Nature Methods 2008, PMID 18978784) to study functional significance of differentially expressed miRNAs in malignant germ cell tumors. These files previously published - Korkola at al, Cancer Research 2006, PMID 16424014; GEO Accession Number GSE3218. miRNA profiling: Analyzed global miRNA expression files from 48 samples including 32 pediatric gonadal and extragonadal germ cell tumors, 2 adult testicular seminomas, 8 gonadal and developmental control samples and 6 germ cell tumor cell lines. Re-analyzed published data (TaqMan MicroRNA Assays) from study of miRNA expression in adult gonadal germ cell tumors (Gillis et al, J Pathol 2007, PMID 17893849) and compared with pediatric findings. Re-analyzed data linked below as supplementary file.
2010-03-14 | E-GEOD-18155 | biostudies-arrayexpress
Project description:To compare the transcriptome profiles of the two principal histological variants of malignant germ cell tumor that occur in childhood Experiment Overall Design: Here, we analyzed the global gene expression profiles of 27 pediatric MGCTs from the two principal histologies (18 yolk sac tumors [YSTs] and 9 seminomas).
2008-06-18 | E-GEOD-10615 | biostudies-arrayexpress
Project description:Malignant Germ Cell Tumors Display Common microRNA Profiles Resulting in Global Changes in Expression of mRNA Targets
| PRJNA119493 | ENA
Project description:Comparison of miRNA expression profiles in malignant germ cell tumors compared to non-malignant control group. Use of bioinformatic algorithm Sylamer to interrogate mRNA expression profiles from malignant germ cell tumors for enrichment or depletion of binding sites for differentially expressed miRNAs. Use of Gene Ontology (GO) analysis to demonstrate functional significance of differentially expressed miRNAs in malignant germ cell tumors.
2010-03-15 | GSE18155 | GEO
Project description:Intracranial pediatric germ cell tumors (GCTs) have different histological differentiations, prognosis and clinical behaviors. Prognosis of patients with germinoma and mature teratoma is good, while patients with other types of GCTs, termed as nongerminomatous malignant germ cell tumors (NGMGCTs), require more extensive drug and irradiation treatment regimen. The mechanisms underlying different prognosis of various GCT subgroups remain elusive. We presented the first miRNA profile of pediatric primary intracranial GCTs.
2010-02-26 | GSE19347 | GEO
Project description:Genome-wide methylation profiles in primary intracranial germ cell tumors indicate primordial germ cell origin of germinoma [Illumina]
| PRJNA289532 | ENA
Project description:Genome-wide methylation profiles in primary intracranial germ cell tumors indicate primordial germ cell origin of germinoma [Agilent]
| PRJNA289524 | ENA
Project description:Intracranial pediatric germ cell tumors (GCTs) have different histological differentiations, prognosis and clinical behaviors. Prognosis of patients with germinoma and mature teratoma is good, while patients with other types of GCTs, termed as nongerminomatous malignant germ cell tumors (NGMGCTs), require more extensive drug and irradiation treatment regimen. The mechanisms underlying different prognosis of various GCT subgroups remain elusive. We presented the first miRNA profile of pediatric primary intracranial GCTs. 12 central nervous system GCT cases with different histological subtypes are subjected to miRNA expression analysis. The histological subtypes are germinoma, mixed GCT of germinoma and mature teratoma , immature teratoma , mixed GCTs of NGMGCTs category, yolk sac tumor, immature teratoma, and embryonal carcinoma.
2010-05-14 | E-GEOD-19347 | biostudies-arrayexpress