Transcriptomics

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Glycogene expression profiles based on microarray data of cervical carcinoma HeLa cells partially silenced in E6 and E7 HPV oncogenes


ABSTRACT: Aberrant glycosylation is a characteristic of tumor cells. The expression of certain glycan structures has been associated with poor prognosis. In cervical carcinoma has been reported changes in the gene expression level of some glycogenes that has been associated with lymph invasion. Human papilloma virus (HPV) infection is one of the most important factors to develop cervical cancer. HPV oncoproteins E6 and E7 have been implicated in cervical carcinogenesis. The role of these oncoproteins in glycosylation changes has not been reported. To know the effect of these oncoproteins on glycogene expression we realized a partial silencing of oncogenes E6 and E7 in HeLa cells, we made a microarray expression assay and we identified glycogenes that modified its expression. The analysis showed alteration in some glycosylation pathways, like glycosphingolipid, O-glycan mucin-type, and O-glycan non mucin-type glycosylation. Our results suggest that E6 and E7 oncoproteins could modified glycosylation of structures implicated in proliferation, adhesion, and apoptosis.

ORGANISM(S): Homo sapiens

PROVIDER: GSE90930 | GEO | 2016/12/07

SECONDARY ACCESSION(S): PRJNA356395

REPOSITORIES: GEO

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