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Tissue-seeking dyes for in vivo applications
Yuan Ma1, Cuirong Qin1, Yanlin Lei1
1School of Pharmacy Yunnan University Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education Kunming China.
Abstract:
In vivo optical imaging has become an invaluable tool for visualizing and monitoring biological processes in living organisms. A key component of these imaging techniques is the use of fluorescent dyes that can selectively target and label specific tissues or cell types. This review provides an overview of the current state of tissue-seeking dyes for in vivo applications. We discuss the design principles and chemical structures of dyes that have been developed to target various tissues of interest, including tumors, nerves, bones, vasculatures, and other tissues. The review covers the photophysical properties, targeting mechanisms, and in vivo performance of these dyes. Particular emphasis is placed on dyes that have demonstrated clinical translation or have high potential for future clinical use. The review also examines the challenges and considerations in developing effective tissue-seeking dyes, such as achieving high specificity, overcoming biological barriers and minimizing toxicity. Finally, we highlight emerging trends and future directions in the field, including the integration of tissue-seeking dyes with advanced imaging modalities and theranostic applications. Overall, this review provides a focused summary of the current landscape of tissue-seeking dyes and their pivotal role in advancing in vivo optical imaging and its biomedical applications.
Insights
This review explores tissue-seeking fluorescent dyes for in vivo optical imaging. It covers dye design, targeting specific tissues like tumors, and their potential for clinical applications in biomedical research.
Area of Science:
- Biomedical Optics
- Molecular Imaging
- Drug Discovery
Background:
- In vivo optical imaging is crucial for monitoring biological processes.
- Fluorescent dyes are essential for targeted labeling in optical imaging.
- Developing effective tissue-seeking dyes is key for advancing imaging techniques.
Purpose of the Study:
- To provide a comprehensive overview of current tissue-seeking dyes for in vivo applications.
- To discuss the design, properties, and performance of dyes targeting various tissues.
- To highlight dyes with clinical translation potential and future directions.
Main Methods:
- Review of scientific literature on tissue-seeking fluorescent dyes.
- Analysis of dye design principles, chemical structures, and photophysical properties.
- Evaluation of targeting mechanisms, in vivo performance, and clinical translation.
Main Results:
- Dyes have been developed to target specific tissues including tumors, nerves, and vasculature.
- Key considerations include specificity, biological barrier penetration, and toxicity.
- Several dyes show promise for clinical use and theranostic applications.
Conclusions:
- Tissue-seeking dyes are pivotal for in vivo optical imaging.
- Further development is needed to overcome challenges like specificity and toxicity.
- Integration with advanced imaging and theranostics represents future directions.
