radioprotective drug


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radioprotective drug

A drug that protects humans against the damaging or lethal effects of ionizing radiation. For example, Lugol's solution blocks the uptake of inhaled or ingested radioactive iodine by the thyroid.
See also: drug
Medical Dictionary, © 2009 Farlex and Partners
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Chromosome abnormalities frequently are seen following radiation treatment and are thought to be a major factor in radiation-induced cell death.[5] Amifostine provides intercellular thiols that modify radiation and chemotherapy damage by chemically restoring or reducing free radical damage to target molecules.[2] Reduction of free radical damage is one of the mechanisms by which radioprotective drugs are thought to work.[5] Amifostine can protect healthy cells from both high and low energy radiation, but only when the drug is taken into the cell's plasma membrane.
Amifostine: Cytoprotector

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