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Mercury Ion

Molecular classification
Inorganic Ion
01

Overview

Mercury ions (Hg₂²⁺ and Hg²⁺) are cationic forms of mercury. They are highly toxic environmental pollutants that can disrupt various biological processes. While not direct therapeutic targets, their presence necessitates the use of chelating agents to mitigate their toxic effects. Mercury ions primarily exert their toxicity through mechanisms such as enzyme inhibition and protein precipitation.

Other names
Mercurous ion (Hg₂²⁺)Mercuric ion (Hg²⁺)Hg₂²⁺Hg²⁺Hg¹⁺
02

Mechanism of action

Chelating agents bind to mercury ions, forming stable complexes that can be excreted from the body.

03

Biological functions

Enzyme InhibitionProtein precipitationDisrupts cellular processes
04

Disease associations

Mercury poisoningMinamata diseaseNeurotoxicityNephrotoxicity
05

Safety considerations

High toxicityBioaccumulationEnvironmental pollutantCorrosive to some metals
06

Interacting drugs

Chelating agents (e.g., dimercaprol, succimer, penicillamine)

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