Related Experiment Video
Updated: May 26, 2026
Expanding the Toolkit for In Vivo Imaging of Axonal Transport
Published on: December 23, 2021
In vivo bio-imaging using chlorotoxin-based conjugates
Mark R Stroud1, Stacey J Hansen, James M Olson
1Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA.
Abstract:
Surgical resection remains the primary component of cancer therapy. The precision required to successfully separate cancer tissue from normal tissue relies heavily on the surgeon's ability to delineate the tumor margins. Despite recent advances in surgical guidance and monitoring systems, intra-operative identification of these margins remains imprecise and directly influences patient prognosis. If the surgeon had improved tools to distinguish these margins, tumor progression and unacceptable morbidity could be avoided. In this article, we review the history of chlorotoxin and its tumor specificity and discuss the research currently being generated to target optical imaging agents to cancer tissue.
Insights
Improved surgical cancer margin detection is crucial for patient outcomes. Research into chlorotoxin-targeted optical imaging agents aims to enhance tumor delineation during surgery, potentially reducing cancer recurrence and patient morbidity.
Area of Science:
- Oncology
- Surgical Oncology
- Biomedical Imaging
Background:
- Surgical resection is the main cancer treatment.
- Accurate tumor margin delineation is vital for successful surgery and patient prognosis.
- Current methods for identifying tumor margins during surgery are often imprecise, leading to potential issues like tumor recurrence or unnecessary damage to healthy tissue.
Purpose of the Study:
- To review the history and tumor specificity of chlorotoxin.
- To discuss current research on developing optical imaging agents targeted to cancer tissue.
- To explore how improved intra-operative margin identification can enhance cancer therapy and reduce patient morbidity.
Main Methods:
- Literature review on chlorotoxin's properties and tumor specificity.
- Analysis of ongoing research into targeted optical imaging agents for cancer.
- Discussion of the potential impact of improved margin delineation tools in surgical oncology.
Main Results:
- Chlorotoxin exhibits specificity for tumor tissue.
- Research is advancing the development of optical imaging agents that can be directed to cancer cells.
- Targeted optical imaging holds promise for improving the precision of tumor margin identification.
Conclusions:
- Enhanced tools for distinguishing tumor margins are needed to improve surgical outcomes.
- Chlorotoxin-based and other targeted optical imaging agents represent a promising avenue for improving intra-operative tumor delineation.
- Advancements in this area could lead to reduced tumor progression and patient morbidity.
