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Experiment number
  • If needed, multiple experiments were identified in a single publication based on differing sample types, separation protocols and/or vesicle types of interest.
Species
  • Species of origin of the EVs.
Separation protocol
  • Gives a short, non-chronological overview of the different steps of the separation protocol.
    • dUC = differential ultracentrifugation
    • DG = density gradient
    • UF = ultrafiltration
    • SEC = size-exclusion chromatography
Details EV-TRACK ID Experiment nr. Species Sample type separation protocol First author Year EV-METRIC
EV110043 1/1 Mus musculus Cell culture supernatant DG
dUC
Hood JL 2011 43%

Study summary

Full title
All authors
Hood JL, San RS, Wickline SA
Journal
Cancer Res
Abstract
Exosomes are naturally occurring biological nanovesicles utilized by tumors to communicate signals t (show more...)Exosomes are naturally occurring biological nanovesicles utilized by tumors to communicate signals to local and remote cells and tissues. Melanoma exosomes can incite a proangiogenic signaling program capable of remodeling tissue matrices. In this study, we show exosome-mediated conditioning of lymph nodes and define microanatomic responses that license metastasis of melanoma cells. Homing of melanoma exosomes to sentinel lymph nodes imposes synchronized molecular signals that effect melanoma cell recruitment, extracellular matrix deposition, and vascular proliferation in the lymph nodes. Our findings highlight the pathophysiologic role and mechanisms of an exosome-mediated process of microanatomic niche preparation that facilitates lymphatic metastasis by cancer cells. (hide)
EV-METRIC
43% (76th percentile 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
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
DNF
Focus vesicles
exosomes
Separation protocol
Separation protocol
  • Gives a short, non-chronological overview of the
    different steps of the separation protocol.
    • dUC = differential ultracentrifugation
    • DG = density gradient
    • UF = ultrafiltration
    • SEC = size-exclusion chromatography
DG + dUC
Adj. k-factor
156.9 (pelleting) / 156.9 (washing)
Protein markers
EV:
non-EV:
Proteomics
no
EV density (g/ml)
1.1-1.21
Show all info
Study aim
Function
Sample
Species
Mus musculus
Sample Type
Cell culture supernatant
EV-harvesting Medium
EV Depleted
Separation Method
Differential ultracentrifugation
dUC: centrifugation steps
Below or equal to 800 g
Between 800 g and 10,000 g
Between 10,000 g and 50,000 g
Between 100,000 g and 150,000 g
Pelleting: time(min)
120
Pelleting: rotor type
70Ti
Pelleting: adjusted k-factor
156.9
Wash: Rotor Type
70Ti
Wash: adjusted k-factor
156.9
Density gradient
Only used for validation of main results
1
Density medium
Sucrose
Lowest density fraction
0.25
Highest density fraction
2
Characterization: Particle analysis
DLS
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