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E-MTAB-6853
Homo sapiens
6 Downloadable Samples
Affymetrix Human Genome U133A Array (hgu133a)
Description
Gene expression profile of laser-capture microdissected epithelium component of 6 mucinous cystic neoplasms of the pancreas were included in the study. The expression arrays were generated with Affymetrix HU133A gene chips (18,462 genes/EST transcripts).
Publication Title
Characterization of gene expression in mucinous cystic neoplasms of the pancreas using oligonucleotide microarrays.
Sample Metadata Fields
Sex, Specimen part, Disease, Subject
View Samples- Homo sapiens
- 20 Downloadable Samples
- Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)
Description
Immunotherapy provides an alternative approach for cancer treatment. However, in-depth analyses of the effects of immunotherapy on the tumor microenvironment (TME) have not been conducted in non-melanoma tumors. Here we describe changes in the pancreatic ductal adenocarcinoma (PDAC) TME following immunotherapy treatment, and show for the first time that vaccine-based immunotherapy directly alters the TME, inducing neogenesis of tertiary lymphoid structures that convert immunologically quiescent tumors into immunologically active tumors. Alterations in five pathways important for immune modulation and lymphoid structure development (TH17/Treg, NFkB, Ubiquitin-proteasome, Chemokines/chemokine receptors, and Integrins/adhesion molecules) in vaccine-induced intratumoral lymphoid aggregates were associated with improved post-vaccination responses. Additional studies in other cancers and patients treated with other forms of immunotherapy are warranted to further develop signatures defined in intratumoral lymphoid structures into biomarkers that predict effective anti-tumor immune responses. These signatures may also expose therapeutic targets for promoting more robust antitumor immune responses in the TME.
Publication Title
Immunotherapy converts nonimmunogenic pancreatic tumors into immunogenic foci of immune regulation.
Sample Metadata Fields
Specimen part
View Samples- Homo sapiens
- 12 Downloadable Samples
- Affymetrix Human Gene 1.0 ST Array (hugene10st)
Description
Due to the urgent need of new targeting strategies in PCa, AR interacting proteins should be considered. In this study we aimed to test the effect of a long-term knockdown of NCOA1, an AR coactivator, in PCa progression and metastatogenesis and whether NCOA1 could be used as a possible therapeutic target. To test the consequences of NCOA1 knockdown on proliferation, we performed by 3H thymidine incorporation assays revealing a strong reduction in castration resistant MDA PCa 2b and androgen-dependent LNCaP cells, without affecting AR negative PC3 cells. Furthermore, Boyden chamber assays revealed a strong decrease in migration and invasion upon NCOA1 knockdown. Using a cDNA microarray, we identified protein kinase D1 (PRKD1) as one prominent upregulated gene in MDA PCa 2b, which was not seen in PC3 cells. Knockdown of PRKD1 clearly reverted the reduced migratory potential. Moreover, we found phospholipase A2, group7 (PLA2G7) and eukaryotic translation initiation factor 5A2 (EIF5A2), which might be involved in migration of PC3 cells. Further, we can clearly demonstrate that PRKD1 is negatively regulated by the AR/NCOA1 complex. In addition, immunhistochemical staining revealed a strong increase in NCOA1 expression in matched and unmatched patients samples, respectively between normal prostate and primary tumor. Regarding the PRKD1 staining, no final conclusion can be drawn in terms of a tumor suppressor function. Thus, our findings directly associate NCOA1/AR complex with PRKD1 regulation and further suggest NCOA1 as a potential therapeutic target also due to the effect on PC3 cell migration.
Publication Title
The AR/NCOA1 axis regulates prostate cancer migration by involvement of PRKD1.
Sample Metadata Fields
Cell line
View Samples- Mus musculus
- 18 Downloadable Samples
- Illumina MouseWG-6 v2.0 expression beadchip, Illumina MouseWG-6 v2.0 R2 expression beadchip
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
Epigenetic regulations in the IFNγ signalling pathway: IFNγ-mediated MHC class I upregulation on tumour cells is associated with DNA demethylation of antigen-presenting machinery genes.
Sample Metadata Fields
Specimen part, Cell line
View Samples- Mus musculus
- 6 Downloadable Samples
- Illumina MouseWG-6 v2.0 expression beadchip, Illumina MouseWG-6 v2.0 R2 expression beadchip
Description
Reversible MHC class I deficiency on tumour cells is commonly caused by coordinated silencing of antigen-presenting machinery genes and restorable by IFN. Here we describe association of DNA demethylation of selected antigen-presenting machinery gene regulatory regions located in the MHC genomic locus (TAP-1, TAP-2, LMP-2, LMP-7) upon IFN treatment with MHC class I upregulation on tumour cells. Our novel findings demonstrate that IFN acts as an epigenetic modifier upregulating the expression of antigen-presenting machinery genes through DNA demethylation. Our data also cast more light on the role of DNA methylation in tumour cell escape from specific immunity.
Publication Title
Epigenetic regulations in the IFNγ signalling pathway: IFNγ-mediated MHC class I upregulation on tumour cells is associated with DNA demethylation of antigen-presenting machinery genes.
Sample Metadata Fields
Specimen part, Cell line
View Samples- Mus musculus
- 6 Downloadable Samples
Illumina MouseWG-6 v2.0 expression beadchip
Description
Reversible MHC class I deficiency on tumour cells is commonly caused by coordinated silencing of antigen-presenting machinery genes and restorable by IFN. Here we describe association of DNA demethylation of selected antigen-presenting machinery gene regulatory regions located in the MHC genomic locus (TAP-1, TAP-2, LMP-2, LMP-7) upon IFN treatment with MHC class I upregulation on tumour cells. Our novel findings demonstrate that IFN acts as an epigenetic modifier upregulating the expression of antigen-presenting machinery genes through DNA demethylation. Our data also cast more light on the role of DNA methylation in tumour cell escape from specific immunity.
Publication Title
Epigenetic regulations in the IFNγ signalling pathway: IFNγ-mediated MHC class I upregulation on tumour cells is associated with DNA demethylation of antigen-presenting machinery genes.
Sample Metadata Fields
Specimen part, Cell line
View Samples- Mus musculus
- 6 Downloadable Samples
- Illumina MouseWG-6 v2.0 expression beadchip
Description
Reversible MHC class I deficiency on tumour cells is commonly caused by coordinated silencing of antigen-presenting machinery genes and restorable by IFN. Here we describe association of DNA demethylation of selected antigen-presenting machinery gene regulatory regions located in the MHC genomic locus (TAP-1, TAP-2, LMP-2, LMP-7) upon IFN treatment with MHC class I upregulation on tumour cells. Our novel findings demonstrate that IFN acts as an epigenetic modifier upregulating the expression of antigen-presenting machinery genes through DNA demethylation. Our data also cast more light on the role of DNA methylation in tumour cell escape from specific immunity.
Publication Title
Epigenetic regulations in the IFNγ signalling pathway: IFNγ-mediated MHC class I upregulation on tumour cells is associated with DNA demethylation of antigen-presenting machinery genes.
Sample Metadata Fields
Specimen part, Cell line
View Samples- Homo sapiens
- 6 Downloadable Samples
IlluminaHiSeq2000
Description
Through development of an in vivo orthotopic lung cancer model, we reveal an unanticipated pathway driving spontaneous metastasis that is orchestrated by the developmentally-regulated transcriptional repressor, Capicua (CIC). Overall design: RNAseq and DNA copy number analysis of H1975 (EGFR-mutant lung adenocarcinoma) cells in the context of drug resistance to rociletinib
Publication Title
Inactivation of Capicua drives cancer metastasis.
Sample Metadata Fields
No sample metadata fields
View Samples