Aptamer and Antisense-Mediated Two-Dimensional Isolation of Specific Cancer Cell Subpopulations

Mahmoud Labib, Brenda Green, Reza M. Mohamadi, Adam Mepham, Sharif U. Ahmed, Laili Mahmoudian, I. Hsin Chang, Edward H. Sargent, Shana O. Kelley*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

98 Scopus citations


Cancer cells, and in particular those found circulating in blood, can have widely varying phenotypes and molecular profiles despite a common origin. New methods are needed that can deconvolute the heterogeneity of cancer cells and sort small numbers of cells to aid in the characterization of cancer cell subpopulations. Here, we describe a new molecular approach to capturing cancer cells that isolates subpopulations using two-dimensional sorting. Using aptamer-mediated capture and antisense-triggered release, the new strategy sorts cells according to levels of two different markers and thereby separates them into their corresponding subpopulations. Using a phenotypic assay, we demonstrate that the subpopulations isolated have markedly different properties. This system provides an important new tool for identifying circulating tumor cell subtypes.

Original languageEnglish (US)
Pages (from-to)2476-2479
Number of pages4
JournalJournal of the American Chemical Society
Issue number8
StatePublished - Mar 2 2016
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry


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