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BioCode gold-nanobeacon for the detection of fusion transcripts causing chronic myeloid leukemia.


ABSTRACT: Gold-nanobeacons (Au-nanobeacons) have proven to be versatile systems for molecular diagnostics and therapeutic actuators. Here, we present the development and characterization of two gold nanobeacons combined with Förster resonance energy transfer (FRET) based spectral codification for dual mode sequence discrimination. This is the combination of two powerful technologies onto a single nanosystem.We proved this concept to detect the most common fusion sequences associated with the development of chronic myeloid leukemia, e13a2 and e14a2. The detection is based on spectral shift of the donor signal to the acceptor, which allows for corroboration of the hybridization event. The Au-nanobeacon acts as scaffold for detection of the target in a homogenous format whose output capability (i.e. additional layer of information) is potentiated via the spectral codification strategy.The spectral coded Au-nanobeacons permit the detection of each of the pathogenic fusion sequences, with high specificity towards partial complementary sequences. The proposed BioCode Au-nanobeacon concept provides for a nanoplatform for molecular recognition suitable for cancer diagnostics.

SUBMITTER: Cordeiro M 

PROVIDER: S-EPMC4869199 | biostudies-literature | 2016 May

REPOSITORIES: biostudies-literature

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BioCode gold-nanobeacon for the detection of fusion transcripts causing chronic myeloid leukemia.

Cordeiro M M   Giestas L L   Lima J C JC   Baptista P M V PM  

Journal of nanobiotechnology 20160517 1


<h4>Background</h4>Gold-nanobeacons (Au-nanobeacons) have proven to be versatile systems for molecular diagnostics and therapeutic actuators. Here, we present the development and characterization of two gold nanobeacons combined with Förster resonance energy transfer (FRET) based spectral codification for dual mode sequence discrimination. This is the combination of two powerful technologies onto a single nanosystem.<h4>Results</h4>We proved this concept to detect the most common fusion sequence  ...[more]

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