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Comparison of Acute and Protracted Gamma Irradiation Effects During Perinatal Development in Beagle Dogs.
Radiat Res
January 2025
Medical Sciences Division, Northern Ontario School of Medicine, Sudbury, ON P3E 2C6 Canada.
Ionizing radiation exposure during perinatal development can produce various biological effects on the developing offspring. These effects are dependent on a number of factors, including total dose, dose rate and the developmental processes occurring at the time of irradiation. The present study conducted an analysis of historical radiobiological archived data involving 60Co-gamma irradiation of beagle dogs at specific periods of prenatal or postnatal development.
View Article and Find Full Text PDFFeasibility and safety of Taipei Veterans General Hospital Heavy Ion Therapy Center: The first carbon-ion irradiation facility in Taiwan.
J Chin Med Assoc
January 2025
Department of Heavy Particles and Radiation Oncology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC.
Background: Unlike conventional photon radiotherapy, particle therapy has the advantage of dose distribution. Carbon-ion radiotherapy is also advantageous in terms of biological effectiveness and other radiobiological aspects. These benefits lead to a higher response probability for previously known radioresistant tumor types.
View Article and Find Full Text PDFAdded Value of Biological Effective Dose in Dosiomics-Based Modelling of Late Rectal Bleeding in Prostate Cancer.
Cancers (Basel)
December 2024
Department of Radiotherapy, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Dr. Molewaterplein 40, 3015 GD Rotterdam, The Netherlands.
Background/objectives: Extracting spatial features (texture analysis) from dose distributions (dosiomics) for outcome prediction is a rapidly evolving field in radiotherapy. To account for fraction size differences, the biological effective dose (BED) is often calculated. We evaluated the impact and added value of the BED in the dosiomics prediction modelling of grade ≥ 2 late rectal bleeding (LRB) probability within 5 years after treatment in three parts.
View Article and Find Full Text PDFRadiation as an Immune Modulator: Where We Are With Modern Total Body Irradiation.
Semin Radiat Oncol
January 2025
Department of Radiation Oncology, Stanford University, Stanford, CA. Electronic address:
Total body irradiation (TBI) has been an important component of myeloablative and nonmyeloablative conditioning regimens for allogeneic hematopoietic stem cell transplantation (HSCT) for decades. Playing a dual role, both cytotoxic and immuno-suppressive, TBI eliminates residual disease while also impairing the immune system from rejecting the foreign donor cells being transplanted. Unlike chemotherapy, radiotherapy is not hampered by perfusion, diffusion, or the blood-barrier effect and can effectively treat sanctuary sites.
View Article and Find Full Text PDFSynchrotron-based infrared microspectroscopy unveils the biomolecular response of healthy and tumour cell lines to neon minibeam radiation therapy.
Analyst
January 2025
Physics Department, Universitat Autònoma de Barcelona (UAB), 08193 Cerdanyola del Vallès, Barcelona, Spain.
Radioresistant tumours remain complex to manage with current radiotherapy (RT) techniques. Heavy ion beams were proposed for their treatment given their advantageous radiobiological properties. However, previous studies with patients resulted in serious adverse effects in the surrounding healthy tissues.
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