Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Development of a DELFIA method to detect oncofetal antigen ROR1-positive exosomes

Hina Daikuzono, Masaya Yamazaki, Yoshifumi Sato, Takashi Takahashi, Kazuya Yamagata

Biochemical and Biophysical Research Communications · 2021

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Summary

This laboratory study describes the development of a dissociation-enhanced lanthanide fluorescence immunoassay (DELFIA) to detect the oncofetal antigen ROR1 in circulating exosomes, potentially applicable as a cancer biomarker. The authors optimised analytical parameters to improve specificity and sensitivity of exosome detection. As a methodological contribution, the clinical utility and translational significance would require subsequent validation in patient cohorts.

UK applicability

This analytical methodology could be adopted by UK diagnostic or research laboratories investigating exosome-based cancer biomarkers, though clinical validation in UK patient populations would be necessary before clinical deployment.

Key measures

DELFIA assay specificity and sensitivity for ROR1-positive exosome detection; analytical optimisation parameters

Outcomes reported

Development and optimisation of a DELFIA-based immunoassay method to detect oncofetal antigen ROR1 in circulating exosomes. The study reports analytical performance characteristics of the assay as a potential cancer biomarker detection platform.

Theme
Measurement & metrics
Subject
Measurement methods & nutrient profiling
Study type
Research
Study design
Laboratory method development study
Source type
Peer-reviewed study
Status
Published
Geography
Japan
System type
Laboratory / in vitro
DOI
10.1016/j.bbrc.2021.08.054
Catalogue ID
BFmohg5end-x4jidf

Topic tags

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