R of lung metastases. Summary/conclusion: CLIC4 ADAMTS16 Proteins manufacturer levels in EVs from biological fluids might have worth as a cancer biomarker, in conjunction with other markers, to detect or analyse tumour progression or recurrence.PT05.Bioinformatics analysis of metabolites present in urinary exosomes recognize metabolic pathways altered in prostate cancer Marc Clos-Garcia1; Pilar Sanchez-Mosquera2; Patricia Zu ga-Garc two; Ana R. Cortazar2; Ver ica Torrano2; Ana Loizaga-Iriarte3; Aitziber UgaldeOlano3; Isabel Lacasa4; F ix Royo5; Miguel Unda3; Arkaitz Carracedo2; Juan M. Falc -P ez5 Exosomes Laboratory, CIC bioGUNE, Derio, Spain; 2CIC bioGUNE, Derio, Spain; 3Basurto University Hospital, Bilbao, Spain; 4Hospital Basurto, Bilbao, Spain; 5CIC bioGUNE, CIBERehd, Bizkaia Science and Technology Park, Derio, Bizkaia, Spain, Derio, SpainPT05.Chloride intracellular channel protein four (CLIC4) is usually a serological cancer biomarker released from tumour epithelial cells via extracellular vesicles and necessary for metastasis Vanesa C. Sanchez1; Alayna Craig-Lucas1; Bih-Rong Wei2; Abigail Read2; Mark Simpson2; Ji Luo1; Kent Hunter2; Stuart YuspaNational Institutes of Overall health (NIH), Bethesda, USA; 2LCBG NCI NIH, Bethesda, USABackground: CLIC4 is a hugely conserved metamorphic protein initially described as an ion channel. It translocates to the nucleus serving as an integral element of TGF- signalling. In several cancers, CLIC4 is a tumour suppressor, excluded in the nucleus and lost from the cytoplasm of progressing cancer cells. In contrast, CLIC4 is upregulated SRC Proto-oncogene Proteins Source inside the tumour stroma acting as a tumour promoter. CLIC4 lacks aBackground: Metabolomics is definitely an omics discipline with high prospective to identify new biomarkers, nevertheless it is limited to metabolites, lacking of info around the context and/or integration into metabolic pathways. Previously, using metabolomics information obtained from urine EVs, we identified altered metabolites in between prostate cancer (PCa) patients and benign hyperplasia (BPH) individuals. Inside the current perform, we developed a bioinformatics workflow to determine gene-encoding proteins involved inside the metabolism of these metabolites and to map them into metabolic pathways. Making use of publicly obtainable, gene expression for prostate cancer datasets, we identified several genes which regulation was altered, in agreement using the alterations observed in the metabolite level. Procedures: R scripts had been developed for retrieving info from KEGG and HMDB database, particularly, enzymes and genes related to the metabolites of interest. Combining both genes and metabolites lists, the script searched for metabolic pathway that may very well be altered. Ultimately, gene expression data was analysed in readily available databases for all those genes of interest. Benefits: We detected 76 metabolites that were considerably distinct in between prostate cancer and benign prostate hyperplasia. We identified 149 enzymes involved inside the metabolism of these metabolites. From them, the levels of their encoding genes have been evaluated within the PCa gene expression data sets. As a result, the levels of 7 gene-encoding enzymes had been found altered in PCa and were in concordance with all the metabolite levels observed in urinary EVs. Our outcomes indicate that steroid hormones, leukotriene and prostaglandin, linoleate, glycerophospholipid and tryptophan metabolisms and urea and TCA cycles, are altered in PCa.ISEV 2018 abstract bookSummary/conclusion: In this function, we demonstrated that bioinformatics tools applied for combinin.