Project description:Exosomes are small RNA and protein containing vesicles that can mediate hetero- and homotypic intercellular communication between normal and malignant cells. Especially, tumor-derived exosomes are believed to mediate reprogramming of the tumor-associated stroma to favor tumor growth and metastasis. In this study we isolated exosomes from three different Ewing’s sarcoma (ES) cell lines by ultracentrifugation. Microarray analysis of ES-derived exosomes and their parental cells was performed to gain insight into the spectrum of transcripts they contain and the functions in which these transcripts might be involved in. In total we analyzed six different samples consisting of three pairs of exosomal and cellular RNA of different Ewing's sarcoma cell lines.
Project description:Transcriptional profiling of human mesenchymal stem cells comparing normoxic MSCs cells with hypoxic MSCs cells. Hypoxia may inhibit senescence of MSCs during expansion. Goal was to determine the effects of hypoxia on global MSCs gene expression.