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Targeted Cancer Therapies

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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...

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Updated: Dec 9, 2025

Single Molecule Analysis of Laser Localized Psoralen Adducts

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Published on: April 20, 2017

Organelle-localized radiosensitizers.

Yuanyuan Chen¹, Peng Gao, Tong Wu

¹College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University, Jinan 250014, P. R. China. lina@sdnu.edu.cn tangb@sdnu.edu.cn.

Chemical Communications (Cambridge, England)

|September 15, 2020

Summary

Radiotherapy resistance is a major challenge in cancer treatment. Organelle-targeted radiosensitizers offer a promising strategy to overcome this resistance and improve tumor eradication by selectively targeting cancer cells.

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Area of Science:

Oncology
Radiochemistry
Molecular Biology

Background:

Radiotherapy (RT) is a cornerstone of cancer treatment, but cancer cells often develop resistance, leading to treatment failure.
Overcoming radioresistance is crucial for improving therapeutic outcomes in oncology.
Targeting specific cellular components offers a novel approach to enhance RT efficacy.

Purpose of the Study:

To review the recent advancements in organelle-targeted radiosensitizers.
To discuss the potential of these agents in overcoming cancer radioresistance.
To provide insights into future directions for designing improved radiosensitizers for clinical application.

Main Methods:

Literature review of organelle-targeted radiosensitizers.
Analysis of mechanisms of radiosensitization.
Discussion of strategies for selective organelle accumulation in cancer cells.

Main Results:

Development of radiosensitizers that selectively accumulate in cancer cell organelles.
Demonstration of enhanced radiosensitivity and tumor eradication in preclinical models.
Identification of key organelles for targeted radiosensitizer delivery.

Conclusions:

Organelle-targeted radiosensitizers represent a promising strategy to overcome radioresistance in cancer therapy.
Further research is needed to optimize design and clinical translation of these agents.
Targeted delivery to specific organelles can significantly boost the efficacy of radiotherapy.