Project description:Targeted proteomics data was acquired from plasma extracellular vesicles; two pooled colorectal cancer group and two pooled healthy volunteers group. Non-targeted protemics data (selected reaction monitoring: SRM) was acquired from plasma extracellular vesicles; 209 colorectal cancer patients and 109 healthy volunteers.
Project description:To investigate the mRNA expression after extracellular vesicles or miRNA treatement, global gene expression analysis was performed in endothelial cells after the transfection of N.C. or miR-181c and or after the addition of extracellular vesicles from cancer cells. mRNA expression in brain endothelial cells was collected from negative control or miR-181c treatment and or after the addition of extracellular vesicles from MDA-MB-231-D3H1, MDA-MB-231-D3H2LN, BMD2a and BMD2b breast cancer cell lines.
Project description:Bladder cancer is one of the most common cancers. Since prognosis ameliorates with early detection, it is a challenge to develop techniques that could replace or complement the current diagnosis protocols. The study of extracellular vesicles (EVs) that are present in urine samples has become an attractive alternative. The present study describes the mRNA content of vesicles isolated from voided urine samples within bladder cancer context. To discover a genetic signature of cancer, RNA associated to EVs was analyzed by microarray technique. Total RNA isolated from Extracellular Vesicles obtained from urine of bladder cancer patients was compared with RNA isolated from urinary vesicles of non-cancer patients.
Project description:Matrix-bound extracellular vesicles were isolated from the left ventricle tissue of de-identified patients with non-failing (healthy) hearts or with non-ischemi heart failure. mIRNA sequencing was performed on the miRNA cargo sequestered within the extracellular vesicles. Differences in the miRNA signature of healthy versus failing-tissue derived extracellular vesicles suggests that disease progression to heart failure is associated with dynamic changes in vesicular cargo.
Project description:Gene expression profiles were generated using RNA-sequencing from migratory and non-migratory B-cells after exposure to conditioned medium of breast cancer cells, either containing or depleted from extracellular vesicles. The purpose of the experiment was to investigate how breast cancer cell derived extracellular vesicles induce specific molecular pathways involved in B-cell migration and B-cell infiltration.
Project description:To further investigate the molecular mechanisms by which EVs mediated the abnormal localization of tight junction proteins and adherence junction protein, we performed miRNA microarray analysis of extracellular vesicles isolated from breast cancer cells. miRNA expression in extracellular vesicles was collected from MDA-MB-231-D3H1, MDA-MB-231-D3H2LN, BMD2a and BMD2b breast cancer cell lines.
Project description:To examine the changes of miRNA in the small extracellular vesicles of breast cancer cells receiving DOX chemotherapy. Human breast cancer cells (MDA-MB-231 cells) were cultured with exorcism-free serum, and treated with DOX. After 24h, cell supernatant was collected and small extracellular vesicles were extracted by ultra-fast centrifugation method, and miRNA content in small extracellular vesicles was obtained for high-throughput miRNA sequencing.
Project description:Biofluids contain a heterogeneous mixture of extracellular vesicles and non-vesicular nanoparticles (including exomeres and supermeres) that transport a diverse array of proteins, RNA, and lipids. Our previous efforts to characterize the contents of these carriers in colorectal cancer relied on 2D culture systems requiring large-scale setups and time-consuming ultracentrifugation-based isolation. To streamline this process, we have combined 3D hollow-fiber bioreactor production and fast-protein liquid chromatography-based size-exclusion chromatography. Here, we compare the impact of culture methods and purification strategies on small extracellular vesicle, exomere and supermere cargo. Proteomic analyses show distinct profiles for extracellular vesicles, exomeres, and supermeres consistent regardless of culture conditions or isolation method. In contrast, these two variables influence small RNAs, their base modifications, and lipidomic profiles. We present an online tool to query these and future secretome datasets (https:/superomics.shinyapps.io/browse).