Unknown,Transcriptomics,Genomics,Proteomics

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Normal vs Testoterone treated thymocytes

ABSTRACT: This laboratory is focusing on to clarify the biologic relevance of a virulence factor known as trans-sialidase from Trypanosoma cruzi, the agent of the Chagas disease (American trypanosomiasis). The impact of hormones in the thymus is observed by gene expression profiling. Differences in the responses of the thymic epithelial cells to androgens is observed using the GLYCOv2 chips, comparing samples treated vs untreated with testosterone. At present we have analyzed by the glyco chips the differential expression of genes among sexes in thymocytes taken from female vs male mice. To have a full picture of the differences in gene expression in the thymus, thymic epithelial cells have to be analyzed. At present we have pinpointed the primary culture of these cells and their in vitro stimulation with androgens. Thus we analyzed the differential expression among testosterone treated and untreated cells.

ORGANISM(S): Mus musculus

SUBMITTER: Steven Head

PROVIDER: E-GEOD-27353 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Project description:Dysregulation of glyco-gene expression in cancer can lead to aberrant glycans and glycoconjugates, which in turn can promote tumorigenesis. Cervical cancer display augmentation of aberrant sialylated glycans and increase of glyco-genes, which encoded enzymes participate in the sialylation pathways. Besides sialiltranferases, other glyco-genes, analyzed individually are reported as altered in cervical cancer. Here we show a comprehensive analysis of glyco-gene expression in cervical cancer to obtain a wide scenery of global changes in glycosylation pathways. First, we compared glyco-gene expression between normal tissue and cervical cancer. Second, we analyzed the glycogene expression in subtypes of cc to obtain hallmarks of glyco-gene expression in each case. Our results indicate that in cervical cancer the GPI-anchored biosynthesis is increased in cc while the synthesis of chondroitin and dermatan sulfate are decreased. Moreover, data show that adenocarcinoma displayed a homogenous glyco-gene expression pattern, where chondroitin /dermatan sulfate and heparan sulfate glycogenes are decreased, while keratan sulfate genes are increased. Dysregulation of glyco-gene expression in cancer can lead to aberrant glycans and glycoconjugates, which in turn can promote tumorigenesis. Cervical cancer display augmentation of aberrant sialylated glycans and increase of glyco-genes, which encoded enzymes participate in the sialylation pathways. Besides sialiltranferases, other glyco-genes, analyzed individually are reported as altered in cervical cancer. Here we show a comprehensive analysis of glyco-gene expression in cervical cancer to obtain a wide scenery of global changes in glycosylation pathways. First, we compared glyco-gene expression between normal tissue and cervical cancer. Second, we analyzed the glycogene expression in subtypes of cc to obtain hallmarks of glyco-gene expression in each case. Our results indicate that in cervical cancer the GPI-anchored biosynthesis is increased in cc while the synthesis of chondroitin and dermatan sulfate are decreased. Moreover, data show that adenocarcinoma displayed a homogenous glyco-gene expression pattern, where chondroitin /dermatan sulfate and heparan sulfate glycogenes are decreased, while keratan sulfate genes are increased.

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Normal vs Testoterone treated thymocytes

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