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Establishment of a Robust and Reproducible Model of Radiation-Induced Skin and Muscle Fibrosis
Published on: August 31, 2022
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Radiation-induced heart disease: pathologic abnormalities and putative mechanisms
Neil K Taunk1, Bruce G Haffty2, John B Kostis3
1Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center , New York, NY , USA.
Frontiers in Oncology
|March 6, 2015
Summary
Radiation therapy for breast cancer can cause heart disease, including tissue fibrosis. Understanding these mechanisms is crucial for developing better treatments to mitigate long-term cardiac effects in patients.
Area of Science:
- Cardiology
- Oncology
- Radiology
Background:
- Breast cancer management often involves radiation therapy, particularly after breast-conserving surgery or mastectomy with high-risk features.
- While prognoses are generally excellent, understanding long-term side effects of chest radiation is vital for patient care.
- Radiation-induced heart disease (RIHD) is a significant concern, encompassing various cardiac pathologies.
Purpose of the Study:
- To review the pathophysiology of cardiac disease resulting from radiation therapy to the chest.
- To elucidate the mechanisms underlying radiation-induced heart disease (RIHD).
Main Methods:
- Review of existing literature on radiation therapy, breast cancer, and cardiac pathology.
- Analysis of cellular, molecular, and genetic pathways implicated in tissue fibrosis and RIHD.
Main Results:
- Radiation-induced heart disease (RIHD) presents as a spectrum of conditions, including myocardial fibrosis, cardiomyopathy, coronary artery disease, valvular disease, pericardial disease, and arrhythmias.
- Tissue fibrosis is identified as a common mediator in the development of RIHD.
- Multiple convergent pathways, involving acute and chronic cellular, molecular, and genetic changes, contribute to fibrosis.
Conclusions:
- Significant progress has been made in understanding the mechanisms of RIHD.
- Further research is needed to refine radiation delivery techniques and develop effective therapeutics to combat the late effects of radiation on the heart.
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