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One-step tumor detection from dynamic morphology tracking on aptamer-grafted surfaces.


ABSTRACT: In this paper, we report a one-step tumor cell detection approach based on the dynamic morphological behavior tracking of cancer cells on a ligand modified surface. Every cell on the surface was tracked in real time for several minutes immediately after seeding until these were finally attached. Cancer cells were found to be very active in the aptamer microenvironment, changing their shapes rapidly from spherical to semi-elliptical, with much flatter spread and extending pseudopods at regular intervals. When incubated on a functionalized surface, the balancing forces between cell surface molecules and the surface-bound aptamers, together with the flexibility of the membranes, caused cells to show these distinct dynamic activities and variations in their morphologies. On the other hand, healthy cells remained distinguishingly inactive on the surface over the same period. The quantitative image analysis of cell morphologies provided feature vectors that were statistically distinct between normal and cancer cells.

SUBMITTER: Mahmood MA 

PROVIDER: S-EPMC4703374 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature

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One-step tumor detection from dynamic morphology tracking on aptamer-grafted surfaces.

Mahmood Mohammed Arif I MA   Hasan Mohammad Raziul MR   Khan Umair J M UJ   Allen Peter B PB   Kim Young-Tae YT   Ellington Andrew D AD   Iqbal Samir M SM  

Technology 20151116 4


In this paper, we report a one-step tumor cell detection approach based on the dynamic morphological behavior tracking of cancer cells on a ligand modified surface. Every cell on the surface was tracked in real time for several minutes immediately after seeding until these were finally attached. Cancer cells were found to be very active in the aptamer microenvironment, changing their shapes rapidly from spherical to semi-elliptical, with much flatter spread and extending pseudopods at regular in  ...[more]

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