Advancing Cancer Research: Introducing the Mouse Radiation Treatment Center (MRTC)

One of the Institute’s most powerful resources driving this mission forward is the Mouse Radiation Treatment Center (MRTC).

👉 Learn more: Mouse Radiation Treatment Center (MRTC)

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What is the MRTC?

The Mouse Radiation Treatment Center (MRTC) is a specialized preclinical research facility that allows scientists to study radiation therapy in small animal models—particularly mice—under highly controlled conditions.

At its core, the MRTC is designed to replicate the way radiation therapy is delivered to patients, but in a laboratory setting. This enables researchers to better understand how tumors respond to radiation and how new therapies might improve those outcomes.

Using a high-throughput irradiation system, the MRTC can treat large numbers of mice efficiently while delivering precise, targeted doses of radiation. [gccri.uthscsa.edu]

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Why the MRTC Matters

Radiation therapy remains a cornerstone of cancer treatment—but optimizing it, especially for pediatric patients, requires careful study. That’s where the MRTC shines.

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Precision Targeting for Better Science

The MRTC uses custom shielding to block 95–99% of radiation from reaching non-target tissues, ensuring that only the tumor area is treated. [gccri.uthscsa.edu]

This level of precision allows researchers to:

• Study tumor-specific responses
• Minimize effects on healthy tissue
• Generate more accurate and reliable data

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High-Throughput Capabilities

The system can irradiate up to 60 mice per hour, enabling large-scale experiments and stronger datasets. [gccri.uthscsa.edu]

This means faster progress and more statistically meaningful results.

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Clinically Relevant Treatment Models

The MRTC delivers clinically relevant radiation dosing schedules, including standard fractionation commonly used in patient care. [gccri.uthscsa.edu]

This ensures that findings in the lab are more likely to translate to real-world treatment improvements.

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Supporting Combination Therapy Development

The MRTC enables researchers to test radiation alongside new drugs, including radiosensitizers—therapies that enhance the effectiveness of radiation. [gccri.uthscsa.edu]

This helps accelerate the development of smarter, more targeted cancer therapies.

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Enabling Molecular Insights

Researchers can collect tissue samples throughout treatment, allowing for:

• Genomic and molecular analysis
• Understanding treatment response over time
• Identifying biomarkers of resistance or success [gccri.uthscsa.edu]

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Accurate and Reproducible Results

The MRTC uses rigorous dosimetry protocols and calibration by medical radiation physicists, helping ensure consistent and reproducible results. [gccri.uthscsa.edu]

This improves reliability across studies and institutions.

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Driving Translational Impact at GCCRI

The Mouse Radiation Treatment Center is more than a research tool—it’s a bridge between laboratory discovery and patient care.

By enabling precise, clinically relevant radiation studies, the MRTC supports GCCRI’s mission to advance childhood cancer research and improve outcomes for young patients.

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Looking Ahead

As cancer treatment evolves, the ability to model therapies accurately in preclinical systems becomes increasingly important.

The MRTC positions GCCRI at the forefront of:

• Radiation biology research
• Combination therapy development
• Translational cancer science

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