Applications | Future Development

Exosomes

Explore extracellular vesicles as an emerging source of molecular information in liquid biopsy research.

STATUS Future Development
FOCUS Extracellular Vesicles
CARGO RNA · DNA · Protein
Applications cfDNA cfRNA | cfTNA Urine Preanalytical Urine CTC Exosomes Infectious Disease
EXTRACELLULAR VESICLES

Small vesicles. Complex biological information.

Extracellular vesicles (EVs) are lipid-bilayer-delimited particles released from cells that can carry proteins, lipids, and nucleic acids between cells.1,2

Exosomes are a biogenesis-defined subtype of EV associated with the endosomal pathway. Because cellular origin can be difficult to establish experimentally, current extracellular-vesicle guidance recommends using the broader term EV when specific exosome biogenesis has not been demonstrated.1

In cancer research, tumor-associated EV populations are being studied for their roles in intercellular communication and as potential sources of molecular information in liquid biopsy workflows.2–4

01 Molecular Cargo

EV preparations can contain RNA, DNA, proteins, lipids, and other molecular components associated with their cells of origin.

02 Cell Communication

EVs participate in intercellular communication and are actively studied within the tumor microenvironment.

03 Liquid Biopsy Potential

Circulating EV-associated molecular signals are being investigated as potential research biomarkers.

BIOLOGICAL CONTEXT

Molecular cargo can carry information from the source cell.

EVs can transport molecular components through extracellular environments and participate in communication between cells.2,3

In oncology research, EV-associated molecular cargo is being studied to better understand tumor biology, cellular signaling, and the potential use of circulating molecular features as biomarkers.3,4

TERMINOLOGY MATTERS “Extracellular vesicle” is the preferred general term when specific exosome biogenesis has not been demonstrated.
EXTRACELLULAR VESICLE Molecular cargo within a lipid-bilayer-delimited particle
RNA
DNA
P
Nucleic Acids
Proteins
Lipid Bilayer
THE UPSTREAM QUESTION

The molecular signal has to survive the workflow.

EV-associated molecular information can only be characterized downstream if the relevant material is retained through specimen collection, preanalytical handling, separation or enrichment, and molecular extraction.

Preanalytical variables and EV separation methods are therefore important considerations when developing reproducible extracellular vesicle workflows.1,4

PREANALYTICAL CONTROL Preserve the biological starting point before downstream characterization begins.
01
SPECIMEN Collect
02
EV POPULATION Separate / Enrich
03
MOLECULAR CARGO Characterize
EV RESEARCH LANDSCAPE

What researchers are investigating.

Extracellular-vesicle research spans molecular cargo, intercellular signaling, tumor biology, and biomarker discovery.

01
MOLECULAR CARGO

EV-Associated RNA

Investigate RNA cargo and expression-associated molecular information within EV-containing samples.

02
TUMOR BIOLOGY

Heterogeneity

Explore whether circulating EV-associated signals can provide complementary information about tumor diversity.

03
CELL COMMUNICATION

Intercellular Signaling

Study the role of extracellular vesicles in communication within the tumor microenvironment.

04
LIQUID BIOPSY

Biomarker Research

Evaluate EV-associated molecular features as potential research biomarkers in liquid biopsy studies.

FUTURE DEVELOPMENT

Evaluating where sample preparation may support emerging EV workflows.

Extracellular-vesicle workflows introduce their own preanalytical, separation, characterization, and molecular-extraction challenges.

nRichDX continues to evaluate emerging liquid biopsy applications where recovery-focused sample preparation may provide value. No exosome-specific nRichDX product is currently available.

01 PREANALYTICAL Specimen Handling
02 UPSTREAM EV Separation
03 DOWNSTREAM Molecular Analysis
Explore Established Solutions Discuss Emerging Workflows
SCIENTIFIC CONTEXT

Explore the broader nRichDX liquid biopsy resource library.

Review scientific posters, application data, and technical resources across established nRichDX sample-preparation and liquid biopsy workflows.

Liquid Biopsy Sample Preparation Posters & Publications
View Reference Materials Contact nRichDX
REFERENCES

Literature cited

  1. Welsh JA, et al. “Minimal Information for Studies of Extracellular Vesicles (MISEV2023): From Basic to Advanced Approaches.” Journal of Extracellular Vesicles. 2024;13:e12404.
  2. Maas SLN, Breakefield XO, Weaver AM. “Extracellular Vesicles: Unique Intercellular Delivery Vehicles.” Trends in Cell Biology. 2017;27(3):172–188.
  3. Maia J, Caja S, Strano Moraes MC, Couto N, Costa-Silva B. “Exosome-Based Cell-Cell Communication in the Tumor Microenvironment.” Frontiers in Cell and Developmental Biology. 2018;6:18.
  4. Zhao Z, et al. “Extracellular Vesicles as Cancer Liquid Biopsies: From Discovery, Validation, to Clinical Application.” Lab on a Chip. 2019;19(7):1114–1140.