Original title: Protective effects of sodium dodecyl sulfate-modified chitosan against subchronic mercury-induced hepatorenal toxicity in male swiss albino mice
Sepide Safari, Hossein Nourani, Amir Moghaddam Jafari · September 2026
Mercury is a toxic substance that builds up inside the body, mainly harming the liver and kidneys through oxidative stressa state where harmful molecules called free radicals damage cells, often causing disease., which is cell damage caused by harmful reactive molecules. Researchers tested a modified natural material called SDSCS, a chitosan derivative, to see if it protects mice from mercury over eight weeks. Mercury builds up in tissues, spikes liver enzymes and kidney waste markers, damages tissue structure, and drains natural antioxidant defenses. The researchers found that giving SDSCS alongside mercury cut down the amount of mercury stored in the liver and kidneys. By limiting this metal buildup and defending against cell-damaging stress, SDSCS eased tissue injury, lowered oxidative stress, helped restore blood and organ health markers, and improved tissue architecture. These findings show that SDSCS works by lowering mercury accumulation and supporting antioxidant balance, highlighting its potential as a protective treatment against mercury toxicity.
Imagine your kitchen sponge gets soaked with a greasy stain that spreads to everything it touches. Normally you could throw the sponge away, but this stain also ruins the counter. Now suppose you have a cloth that both soaks up the stain like a magnet and repairs the counter scratches at the same time. Here the sponge is the mouse's organs, the greasy stain is mercury, and the special cloth is the modified chitosan compound that pulls mercury out and helps fix the damage.
Mercury is a heavy metal that builds up in fish and water, and once in your body it attacks your liver and kidneys. Current treatments are harsh, so a biodegradable material from seafood waste that can bind mercury and reduce its damage could lead to safer, cheaper ways to protect people exposed to mercury in polluted areas or through diet.
The abstract does not specify the optimal dose or safety profile of SDSCS, nor does it establish whether the protection is complete at higher mercury exposures. As an animal study, direct translation to human mercury poisoning requires further validation. The mechanism beyond mercury binding and antioxidant support is not fully resolved.
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Protective effects of sodium dodecyl sulfate-modified chitosan against subchronic mercury-induced hepatorenal toxicity in male swiss albino mice — Sepide Safari, Hossein Nourani, Amir Moghaddam Jafari — Toxicology reports — doi:10.1016/j.toxrep.2026.102339
Abstract licence: CC BY
Explanation generated by Synthesis from the abstract — it is not the original paper.