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Details	EV-TRACK ID	Experiment nr.	Species	Sample type	Separation protocol	First author	Year	EV-METRIC
	EV120182	1/1	Homo sapiens	NAY	(d)(U)C DC Filtration UF	Zhu W	2012	0%
Study summary Full title Exosomes derived from human bone marrow mesenchymal stem cells promote tumor growth in vivo All authors Zhu W, Huang L, Li Y, Zhang X, Gu J, Yan Y, Xu X, Wang M, Qian H, Xu W Journal Cancer Lett Abstract Mesenchymal stem cells (MSCs) can promote tumor growth in a mouse xenograft model, but the exact mec (show more...)Mesenchymal stem cells (MSCs) can promote tumor growth in a mouse xenograft model, but the exact mechanism remains unclear. In this study, we investigated the effects of bone marrow MSC-derived exosomes (MSC-exosomes) on tumor growth in vitro and in vivo. Our results showed that MSC-exosomes promoted tumor growth in vivo. MSC-exosomes enhanced vascular endothelial growth factor (VEGF) expression in tumor cells by activating extracellular signal-regulated kinase1/2 (ERK1/2) pathway. Inhibition of ERK1/2 activation reserved the increase of VEGF level by MSC-exosomes. Our findings demonstrate a new mechanism through which MSC-exosome-mediated cell-cell interactions may contribute to tumor progression. (hide) EV-METRIC 0% (median: 14% of all experiments on the same sample type) Reported Not reported Not applicable EV-enriched proteins Protein analysis: analysis of three or more EV-enriched proteins non EV-enriched protein Protein analysis: assessment of a non-EV-enriched protein qualitative and quantitative analysis Particle analysis: implementation of both qualitative and quantitative methods. For the quantitative method, the reporting of measured EV concentration is expected. electron microscopy images Particle analysis: inclusion of a widefield and close-up electron microscopy image density gradient Separation method: density gradient, at least as validation of results attributed to EVs EV density Separation method: reporting of obtained EV density ultracentrifugation specifics Separation method: reporting of g-forces, duration and rotor type of ultracentrifugation steps antibody specifics Protein analysis: antibody clone/reference number and dilution lysate preparation Protein analysis: lysis buffer composition Study data Sample type Cell culture supernatant Sample origin NAY Focus vesicles exosomes Separation protocol Separation protocol Gives a short, non-chronological overview of the different steps of the separation protocol. dUC = (Differential) (ultra)centrifugation DG = density gradient UF = ultrafiltration SEC = size-exclusion chromatography IAF = immuno-affinity capture (d)(U)C DC Filtration UF Protein markers EV: CD81/ CD9 non-EV: Proteomics no Show all info Study aim Function Sample Species Homo sapiens Sample Type Cell culture supernatant EV-harvesting Medium EV Depleted Separation Method (Differential) (ultra)centrifugation dUC: centrifugation steps Between 800 g and 10,000 g Pelleting performed No Filtration steps 0.22µm or 0.2µm Characterization: Protein analysis Western Blot Antibody details provided? No Detected EV-associated proteins CD81/ CD9 Characterization: Particle analysis EM EM-type transmission EM Image type Wide-field

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EV-TRACK ID	EV120182
species	Homo sapiens
sample type	Cell culture
cell type	NAY
condition	NAY
separation protocol	(d)(U)C DC Filtration UF
Exp. nr.	1
EV-METRIC %	0