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Cited by 187

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Near‐Infrared Fluorescent Molecular Probe for Sensitive Imaging of Keloid

Open access
Miao, Qingqing, Yeo, David C., Wiraja, Christian, Zhang, Jianjian, Ning, Xiaoyu, Xu, Chenjie, Pu, Kanyi·2018·Angewandte Chemie International Edition

Abstract

Early detection of skin diseases is imperative for their effective treatment. However, fluorescence molecular probes that allow this are rare. The first activatable near‐infrared (NIR) fluorescent molecular probe is reported for sensitive imaging of keloid cells, skin cells from abnormal scar fibrous lesions. As keloid cells have high expression levels of fibroblast activation protein‐alpha (FAPα), the probe (FNP1) is designed to have a caged NIR dye and a FAPα‐cleavable peptide substrate linked by a self‐immolative segment. FNP1 can quickly and specifically turn on its fluorescence at 710 nm by 45‐fold in the presence of FAPα, allowing it to effectively recognize keloid cells from normal skin cells. Integration of FNP1 with a simple microneedle‐assisted topical application enables sensitive detection of keloid cells in metabolically‐active human skin tissue with a theoretical limit of detection down to 20 000 cells.

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Metadata

Authors
Miao, Q., Yeo, D. C., Wiraja, C., Zhang, J., Ning, X., Xu, C., & Pu, K.
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2018-01-05
Volume
57
Issue
5
Pages
1256-1260
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2783678270
Cited by
187
References
1
FWCI
11.10
Type
journal article
Language
en
Open access
bronze

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Miao, Q., Yeo, D. C., Wiraja, C., Zhang, J., Ning, X., Xu, C., & Pu, K. (2018). Near‐Infrared Fluorescent Molecular Probe for Sensitive Imaging of Keloid. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201710727

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