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Now You're Signaling, With Gas
Gasotransmitters open a window on biology and drug development
The Scientist 2004, 18(17):20
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High levels of carbon monoxide interfere with cellular respiration and pollute the environment. Hydrogen sulfide (H2S), another chemical asphyxiant, paralyzes the sense of smell and at lower levels produces the rotten-egg stink prized by children using their first chemistry sets. But even the noxious to the downright deadly can have a subtler side: at minute concentrations, both gases transmit biological signals between cells.
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