Fluorogenic reaction-based prodrug conjugates as targeted cancer theranostics

Min Hee Lee, Amit Sharma, Min Jung Chang, Jinju Lee, Subin Son, Jonathan L. Sessler, Chulhun Kang, Jong Seung Kim

Research output: Contribution to journalReview articlepeer-review

259 Citations (Scopus)

Abstract

Theranostic systems are receiving ever-increasing attention due to their potential therapeutic utility, imaging enhancement capability, and promise for advancing the field of personalized medicine, particularly as it relates to the diagnosis, staging, and treatment of cancer. In this Tutorial Review, we provide an introduction to the concepts of theranostic drug delivery effected via use of conjugates that are able to target cancer cells selectively, provide cytotoxic chemotherapeutics, and produce readily monitored imaging signals in vitro and in vivo. The underlying design concepts, requiring the synthesis of conjugates composed of imaging reporters, masked chemotherapeutic drugs, cleavable linkers, and cancer targeting ligands, are discussed. Particular emphasis is placed on highlighting the potential benefits of fluorogenic reaction-based targeted systems that are activated for both imaging and therapy by cellular entities, e.g., thiols, reactive oxygen species and enzymes, which are present at relatively elevated levels in tumour environments, physiological characteristics of cancer, e.g., hypoxia and acidic pH. Also discussed are systems activated by an external stimulus, such as light. The work summarized in this Tutorial Review will help define the role fluorogenic reaction-based, cancer-targeting theranostics may have in advancing drug discovery efforts, as well as improving our understanding of cellular uptake and drug release mechanisms.

Original languageEnglish
Pages (from-to)28-52
Number of pages25
JournalChemical Society Reviews
Volume47
Issue number1
DOIs
Publication statusPublished - 2018 Jan 7

Bibliographical note

Funding Information:
This work was supported by the Korean National Research Foundation (NRF) (2015R1C1A2A01054496, M. H. L.), (2017R1A2A2A05069805, C. K.), the Ministry of Science, ICT & Future Planning in Korea (CRI project no. 2009-0081566, J. S. K.), the US National Institutes of Health (CA 68682, J. L. S.), and the Robert A. Welch Foundation (F-1018, J. L. S.).

Publisher Copyright:
© 2018 The Royal Society of Chemistry.

ASJC Scopus subject areas

  • General Chemistry

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