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CometChip: A High-throughput 96-Well Platform for Measuring DNA Damage in Microarrayed Human Cells
JoVE Journal
Bioengineering
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JoVE Journal Bioengineering
CometChip: A High-throughput 96-Well Platform for Measuring DNA Damage in Microarrayed Human Cells

CometChip: A High-throughput 96-Well Platform for Measuring DNA Damage in Microarrayed Human Cells

DOI:
10.3791/50607-v

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10:59 min

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October 18, 2014

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, , , , , , ,
1Department of Biological Engineering,Massachusetts Institute of Technology, 2Environmental Toxicology,Chulabhorn Graduate Institute, 3Department of Biomedical Engineering,University of Minnesota

Chapters

  • 00:05Title
  • 01:24Preparation of the CometChip
  • 02:20Loading Cells into the CometChip
  • 03:57Dosing and Repair
  • 04:55Alkaline Comet Assay
  • 06:23Neutral Comet Assay
  • 07:50Fluorescent Imaging
  • 08:21Results: Quantification of DNA Damage in Human Lymphoblastoid Cells after Exposure to Oxidative Damage
  • 10:15Conclusion

Summary

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We describe here a platform that allows comet assay detection of DNA damage with unprecedented throughput. The device patterns mammalian cells into a microarray and enables parallel processing of 96 samples. The approach facilitates analysis of base level DNA damage, exposure-induced DNA damage and DNA repair kinetics.

Tags

DNA DamageComet AssayCometChipHigh-throughput96-well PlatformMicroarrayDNA Damaging AgentsGenotoxicity TestingDrug DevelopmentEpidemiological StudiesClinical Assays

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