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Cesium Ion (Cs⁺)

Target: Cs⁺
Molecular classification: Inorganic Ion, Cation

Overview

The cesium ion (Cs⁺) is the monovalent cation of cesium. It is not a typical therapeutic target but can be relevant in toxicology, particularly in cases of radiation exposure involving radioactive cesium isotopes. Cs⁺ can interfere with normal biological processes, especially those involving potassium ions (K⁺), due to its similar charge and ionic radius, though larger size. Prussian blue is used as a chelating agent to remove cesium from the body.

Other names: Cesium(1+)Cs+Cesium cation

Mechanism of action

Prussian blue binds to cesium ions in the gastrointestinal tract, preventing their absorption and promoting their excretion in feces.

Biological functions

Ion transport disruptionPotassium channel interferenceEnzyme Inhibition (at high concentrations)

Disease associations

ToxicityRadiation Exposure (treatment with Prussian blue to remove cesium)

Safety considerations

Cardiotoxicity (at high concentrations)Neurological effects (at high concentrations)Potential disruption of potassium-dependent processes

Interacting drugs

Prussian blue (used as an antidote to remove cesium from the body)

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