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You searched for: EV210344 (EV-TRACK ID)

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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.
    • (d)(U)C = (differential) (ultra)centrifugation
    • DG = density gradient
    • UF = ultrafiltration
    • SEC = size-exclusion chromatography
    • IAF = immuno-affinity capture
Details EV-TRACK ID Experiment nr. Species Sample type Separation protocol First author Year EV-METRIC
EV210344 1/2 Homo sapiens Blood plasma (d)(U)C
UF
Hofmann L 2022 78%

Study summary

Full title
All authors
Hofmann L, Abou Kors T, Ezić J, Niesler B, Röth R, Ludwig S, Laban S, Schuler PJ, Hoffmann TK, Brunner C, Medyany V, Theodoraki MN
Journal
Front Cell Dev Biol
Abstract
Head and neck squamous cell carcinomas (HNSCC) lack tumor-specific biomarkers. Exosomes from HNSCC p (show more...)Head and neck squamous cell carcinomas (HNSCC) lack tumor-specific biomarkers. Exosomes from HNSCC patients carry immunomodulatory molecules, and correlate with clinical parameters. We compared miRNA profiles of plasma- and saliva-derived exosomes to reveal liquid biomarker candidates for HNSCC. Exosomes were isolated by differential ultracentrifugation from corresponding plasma and saliva samples from 11 HNSCC patients and five healthy donors (HD). Exosomal miRNA profiles, as determined by nCounter SPRINT technology, were analyzed regarding their diagnostic and prognostic potential, correlated to clinical data and integrated into network analysis. 119 miRNAs overlapped between plasma- and saliva-derived exosomes of HNSCC patients, from which 29 tumor-exclusive miRNAs, associated with , and signaling, were selected. By intra-correlation of tumor-exclusive miRNAs from plasma and saliva, top 10 miRNA candidates with the strongest correlation emerged as diagnostic panels to discriminate cancer and healthy as well as potentially prognostic panels for disease-free survival (DFS). Further, exosomal miRNAs were differentially represented in human papillomavirus (HPV) positive and negative as well as low and high stage disease. A plasma- and a saliva-derived panel of tumor-exclusive exosomal miRNAs hold great potential as liquid biopsy for discrimination between cancer and healthy as well as HPV status and disease stage. Exosomal miRNAs from both biofluids represent a promising tool for future biomarker studies, emphasizing the possibility to substitute plasma by less-invasive saliva collection. (hide)
EV-METRIC
78% (98th 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. 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
Blood plasma
Sample origin
Head and neck cancer
Focus vesicles
exosome
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
(Differential) (ultra)centrifugation
Ultrafiltration
Protein markers
EV: CD9/ CD63/ TSG101
non-EV: Grp94/ ApoA1
Proteomics
no
Show all info
Study aim
Biomarker
Sample
Species
Homo sapiens
Sample Type
Blood plasma
Separation Method
(Differential) (ultra)centrifugation
dUC: centrifugation steps
Between 800 g and 10,000 g
Between 10,000 g and 50,000 g
Between 100,000 g and 150,000 g
Pelleting performed
Yes
Pelleting: time(min)
70
Pelleting: rotor type
S55-A2
Pelleting: speed (g)
110000
Wash: volume per pellet (ml)
1
Wash: time (min)
70
Wash: Rotor Type
S55-A2
Wash: speed (g)
110000
Ultra filtration
Cut-off size (kDa)
100
Membrane type
Polyethersulfone (PES)
Characterization: Protein analysis
Protein Concentration Method
BCA
Protein Yield (µg)
per milliliter of starting sample
Western Blot
Antibody details provided?
Yes
Antibody dilution provided?
Yes
Lysis buffer provided?
Yes
Detected EV-associated proteins
CD9/ CD63/ TSG101
Detected contaminants
ApoA1
Not detected contaminants
Grp94
Characterization: RNA analysis
RNA analysis
Type
Microarray/ Capillary electrophoresis (e.g. Bioanalyzer)
Proteinase treatment
No
RNAse treatment
No
Characterization: Lipid analysis
No
Characterization: Particle analysis
NTA
Report type
Median
Reported size (nm)
95
EV concentration
Yes
EM
EM-type
Transmission-EM
Image type
Close-up, Wide-field
EV210344 2/2 Homo sapiens Saliva (d)(U)C
UF
Hofmann L 2022 67%

Study summary

Full title
All authors
Hofmann L, Abou Kors T, Ezić J, Niesler B, Röth R, Ludwig S, Laban S, Schuler PJ, Hoffmann TK, Brunner C, Medyany V, Theodoraki MN
Journal
Front Cell Dev Biol
Abstract
Head and neck squamous cell carcinomas (HNSCC) lack tumor-specific biomarkers. Exosomes from HNSCC p (show more...)Head and neck squamous cell carcinomas (HNSCC) lack tumor-specific biomarkers. Exosomes from HNSCC patients carry immunomodulatory molecules, and correlate with clinical parameters. We compared miRNA profiles of plasma- and saliva-derived exosomes to reveal liquid biomarker candidates for HNSCC. Exosomes were isolated by differential ultracentrifugation from corresponding plasma and saliva samples from 11 HNSCC patients and five healthy donors (HD). Exosomal miRNA profiles, as determined by nCounter SPRINT technology, were analyzed regarding their diagnostic and prognostic potential, correlated to clinical data and integrated into network analysis. 119 miRNAs overlapped between plasma- and saliva-derived exosomes of HNSCC patients, from which 29 tumor-exclusive miRNAs, associated with , and signaling, were selected. By intra-correlation of tumor-exclusive miRNAs from plasma and saliva, top 10 miRNA candidates with the strongest correlation emerged as diagnostic panels to discriminate cancer and healthy as well as potentially prognostic panels for disease-free survival (DFS). Further, exosomal miRNAs were differentially represented in human papillomavirus (HPV) positive and negative as well as low and high stage disease. A plasma- and a saliva-derived panel of tumor-exclusive exosomal miRNAs hold great potential as liquid biopsy for discrimination between cancer and healthy as well as HPV status and disease stage. Exosomal miRNAs from both biofluids represent a promising tool for future biomarker studies, emphasizing the possibility to substitute plasma by less-invasive saliva collection. (hide)
EV-METRIC
67% (89th 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. 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
Saliva
Sample origin
Head and neck cancer
Focus vesicles
exosome
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
(Differential) (ultra)centrifugation
Ultrafiltration
Protein markers
EV: CD9/ CD63/ TSG101
non-EV: Grp94
Proteomics
no
Show all info
Study aim
Biomarker
Sample
Species
Homo sapiens
Sample Type
Saliva
Separation Method
(Differential) (ultra)centrifugation
dUC: centrifugation steps
Between 800 g and 10,000 g
Between 10,000 g and 50,000 g
Between 100,000 g and 150,000 g
Pelleting performed
Yes
Pelleting: time(min)
70
Pelleting: rotor type
S55-A2
Pelleting: speed (g)
110000
Wash: volume per pellet (ml)
1
Wash: time (min)
70
Wash: Rotor Type
S55-A2
Wash: speed (g)
110000
Ultra filtration
Cut-off size (kDa)
100
Membrane type
Polyethersulfone (PES)
Characterization: Protein analysis
Protein Concentration Method
BCA
Protein Yield (µg)
per milliliter of starting sample
Western Blot
Antibody details provided?
Yes
Antibody dilution provided?
Yes
Lysis buffer provided?
Yes
Detected EV-associated proteins
CD9/ CD63/ TSG101
Not detected contaminants
Grp94
Characterization: RNA analysis
RNA analysis
Type
Microarray/ Capillary electrophoresis (e.g. Bioanalyzer)
Proteinase treatment
No
RNAse treatment
No
Characterization: Lipid analysis
No
Characterization: Particle analysis
NTA
Report type
Median
Reported size (nm)
101
EV concentration
Yes
EM
EM-type
Transmission-EM
Image type
Wide-field
1 - 2 of 2
  • CM = Commercial method
  • dUC = differential ultracentrifugation
  • DG = density gradient
  • UF = ultrafiltration
  • SEC = size-exclusion chromatography
EV-TRACK ID
EV210344
species
Homo sapiens
sample type
Blood plasma
Saliva
condition
Head and neck cancer
Head and neck cancer
separation protocol
dUC/ Ultrafiltration
dUC/ Ultrafiltration
Exp. nr.
1
2
EV-METRIC %
78
67