Ionizing Radiation and Complex DNA Damage: Quantifying the Radiobiological Damage Using Monte Carlo Simulations.

Area of Science:

• Radiobiology
• Medical Physics
• Molecular Biology

Background:

• Ionizing radiation is integral to medical procedures, necessitating precise dosimetry.
• Significant research over 20 years has advanced understanding of radiation biology.
• DNA damage response (DDR) to ionizing radiation is a critical area of study.

Purpose of the Study:

• To summarize Monte Carlo (MC) simulation studies on DNA damage response (DDR) to ionizing radiation.
• To highlight the clinical need for accurate DNA damage quantification in medical procedures.
• To explore the potential of MC simulations in advancing radiobiology and radiation therapy.

Main Methods:

• Overview of Monte Carlo (MC) simulation studies in radiobiology.
• Review of research on DNA damage and repair mechanisms following radiation exposure.
• Analysis of MC techniques for quantifying DNA damage and its biological effects.

Main Results:

• MC simulations provide insights into various aspects of radiation biology, particularly DDR.
• Accurate quantification of DNA damage is essential for evaluating medical radiation applications.
• Understanding DNA repair processes can optimize radiation therapy efficacy.

Conclusions:

• Monte Carlo simulations are a valuable tool for radiobiology research.
• Advanced MC tools hold promise for multidisciplinary studies spanning physics, medicine, biology, and chemistry.
• Continued development of MC simulations is required for multiscale radiobiology investigations, from DNA segments to cell populations.