Silver Nanoparticles Stop Sperm Stem Cell Growth
A new study has identified exactly how silver nanoparticles cause male reproductive cells to stop growing.
Minute materials used in a number of consumer products such as antimicrobial agents can interrupt important cell signaling within male reproductive sperm cells, causing them to stop growing, according to a new study that builds on previous work by the same research group.
In prior studies, the scientists reported how smaller-sized silver nanoparticles – in the 10 – 25 nanometer range – decreased the growth of male stem cells when they were exposed at concentrations greater than 10 micrograms per milliliter (ug/ml).
The new study is the first to identify how the silver nanoparticles stop the sperm stem cells from growing. The biggest effects were caused by the smallest-sized nanoparticles tested.
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