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August 21, 2025Small Methods

Nanoscale Epigenetic Profiling of Colorectal Cancer Cell‐Derived Exosomes via Single‐Vesicle Nanoscopy

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Authors

MKMingu KangPohang University of Science and TechnologyELEun Sook LeeKorea Research Institute of Standards and ScienceELEun Seong LeeKorea Research Institute of Standards and Science

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Overview

Single-vesicle analysis reveals distinct epigenetic markers in exosomes from colorectal cancer, indicating their diagnostic potential.

Key Points

  • CIMP-high exosomes exhibit red-shifted amide I and nucleic acid regions, indicating unique epigenetic features.
  • Measurements reveal heterogeneity among individual exosomes, highlighting the complexity of their molecular profiles.
  • Photo-induced force microscopy allows for detailed vibrational signature analysis at the single-vesicle level.
  • Findings suggest PiFM may enhance cancer diagnostics by identifying key epigenetic markers in exosomes.

Cite This Study

Kang et al. (2025) studied this question.

synapsesocial.com/papers/68af4ec6ad7bf08b1ead8023https://doi.org/10.1002/smtd.202500919
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