Cell-based biosensor to report DNA damage in micro- and nanosystems

A. Fendyur, S. Varma, C.T. Lo, J. Voldman

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Understanding how newly engineered micro- and nanoscale materials and systems that interact with cells impact cell physiology is crucial for the development and ultimate adoption of such technologies. Reports regarding the genotoxic impact of forces applied to cells in such systems that can both directly or indirectly damage DNA emphasize the need for developing facile methods to assess how materials and technologies affect cell physiology. To address this need we have developed a TurboRFP-based DNA damage reporter cell line in NIH-3T3 cells that fluoresce to report genotoxic stress caused by a wide variety of agents, from chemical genotoxic agents to UV-C radiation. Our biosensor was successfully implemented in reporting the genotoxic impact of nanomaterials, demonstrating the ability to assess size dependent geno- and cyto-toxicity. The biosensor cells can be assayed in a high throughput, noninvasive manner, with no need for overly sophisticated equipment or additional reagents. We believe that this open-source biosensor is an important resource for the community of micro- and nanomaterials and systems designers and users who wish to evaluate the impact of systems and materials on cell physiology. © 2014 American Chemical Society.
Original languageEnglish
Pages (from-to)7598-7605
Number of pages8
JournalAnal. Chem.
Issue number15
StatePublished - 2014

Bibliographical note

Cited By :10

Export Date: 11 September 2022


Correspondence Address: Voldman, J.; Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, United States; email: voldman@mit.edu

Funding details: GM090194

Funding details: National Institute of General Medical Sciences, NIGMS, R01GM090194

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  • Cell culture
  • Cells
  • DNA
  • Nanostructured materials
  • Nanosystems
  • Physiology
  • Cell-based biosensor
  • Genotoxic agents
  • Genotoxic stress
  • High throughput
  • Materials and technologies
  • Nano-scale materials
  • Reporter cell line
  • UV-C radiations
  • Biosensors
  • 3T3 cell line
  • animal
  • DNA damage
  • flow cytometry
  • genetic procedures
  • mouse
  • nanotechnology
  • oxidative stress
  • Animals
  • Biosensing Techniques
  • DNA Damage
  • Flow Cytometry
  • Mice
  • Nanotechnology
  • NIH 3T3 Cells
  • Oxidative Stress


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