Intracellular Messenger RNA Triggered Catalytic Hairpin Assembly for Fluorescence Imaging Guided Photothermal Therapy

We show a theranostic nanoplatform for messenger RNA (mRNA) triggered enhanced fluorescence imaging guided therapy. Catalytic hairpin assembly (CHA) and gold nanorods (AuNRs) are employed to fabricate the theranostic nanoplatform. Two hairpin DNAs and Cy5 labeled duplex DNA are integrated into the C...

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Published in:Analytical chemistry (Washington) 2017-07, Vol.89 (14), p.7277-7281
Main Authors: Su, Feng-Xia, Yang, Cheng-Xiong, Yan, Xiu-Ping
Format: Article
Language:English
Subjects:
Assembly
Catalysis
Cell lines
Cells
Chemistry
Deoxyribonucleic acid
DNA
Fluorescence
Gene expression
Gold
Gold - chemistry
Humans
Hybridization
Imaging
Intracellular
Metal Nanoparticles - chemistry
Nanorods
Optical Imaging
Photosensitizing Agents - chemistry
Phototherapy
Photothermal conversion
Ribonucleic acid
RNA
RNA, Messenger - chemistry
Survivin
Target recognition
Therapy
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cited_by cdi_FETCH-LOGICAL-a422t-d09273f851e39cb46e40bce90f3a9c6e1c40939ac6da888a3e9b57787ab11fdd3
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container_issue 14
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container_title Analytical chemistry (Washington)
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creator Su, Feng-Xia
Yang, Cheng-Xiong
Yan, Xiu-Ping
description We show a theranostic nanoplatform for messenger RNA (mRNA) triggered enhanced fluorescence imaging guided therapy. Catalytic hairpin assembly (CHA) and gold nanorods (AuNRs) are employed to fabricate the theranostic nanoplatform. Two hairpin DNAs and Cy5 labeled duplex DNA are integrated into the CHA for mRNA triggered fluorescence signal amplification via hybridization and displacement with mRNA. The AuNRs act both as the fluorescence quencher and the photothermal therapy (PTT) agent. The nanoplatform not only enables sensitive and specific imaging of target mRNA in living cells and good differentiating of the survivin mRNA expression levels in different cell lines but also offers excellent photothermal conversion efficiency for PTT. The developed nanoplatform has great potential for sensitive and specific intracellular mRNA imaging guided PTT.
doi_str_mv 10.1021/acs.analchem.7b01348
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source American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list)
subjects Assembly
Catalysis
Cell lines
Cells
Chemistry
Deoxyribonucleic acid
DNA
Fluorescence
Gene expression
Gold
Gold - chemistry
Humans
Hybridization
Imaging
Intracellular
Metal Nanoparticles - chemistry
Nanorods
Optical Imaging
Photosensitizing Agents - chemistry
Phototherapy
Photothermal conversion
Ribonucleic acid
RNA
RNA, Messenger - chemistry
Survivin
Target recognition
Therapy
title Intracellular Messenger RNA Triggered Catalytic Hairpin Assembly for Fluorescence Imaging Guided Photothermal Therapy
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