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Biological Effects of Radiation

Biological Effects of Radiation

All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...

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Diffuse Optical Spectroscopy for the Quantitative Assessment of Acute Ionizing Radiation Induced Skin Toxicity Using a Mouse Model

Diffuse Optical Spectroscopy for the Quantitative Assessment of Acute Ionizing Radiation Induced Skin Toxicity Using a Mouse Model

Published on: May 27, 2016

Immunological markers that predict radiation toxicity.

Carl N Sprung¹, Helen B Forrester¹, Shankar Siva²

¹Centre for Innate Immunology and Infectious Disease, MIMR-PHI Institute of Medical Research, 27-31 Wright Street, Clayton, Vic. 3168, Australia; Department of Molecular and Translational Sciences, Monash University, Clayton, Vic., Australia.

|February 15, 2015

Summary

Radiotherapy outcomes vary due to individual responses to radiation, influencing inflammation. Immunological biomarkers can predict radiation toxicity, potentially improving cancer treatment and patient outcomes.

Keywords:

Biomarker Immunology Inflammation Radiation sensitivity Radiotherapy

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Published on: July 3, 2015

Area of Science:

Oncology
Immunology
Radiotherapy research

Background:

Radiotherapy is a cornerstone of cancer treatment, curing a significant proportion of cancers.
Individual responses to radiation exposure, influenced by various factors, lead to diverse treatment outcomes.
Radiation exposure triggers an inflammatory response, highlighting the need to understand its molecular and cellular underpinnings.

Purpose of the Study:

To review molecular and cellular immunological responses to radiation.
To explore the potential of immunological biomarkers in predicting radiation-induced toxicity.
To discuss specific biomarkers for radiation-induced fibrosis and pneumonitis in cancer patients.

Main Methods:

Literature review of immunological responses to radiation.
Analysis of molecular and cellular mechanisms involved in radiation response.
Focus on biomarkers for radiation-induced toxicity, specifically fibrosis and pneumonitis.

Main Results:

Immunological responses to radiation are complex and multifactorial.
Specific molecules involved in immune responses show potential as predictive biomarkers.
Biomarkers can help identify patients at risk for severe side effects like fibrosis and pneumonitis.

Conclusions:

Understanding immunological responses is key to personalizing radiotherapy.
Immunological biomarkers offer a promising avenue for predicting and managing radiation toxicity.
Further research into these biomarkers can lead to improved cancer treatment strategies and patient care.