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Toxicity Summary |
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Link to the Distributed Structure-Searchable Toxicity (DSSTox) Database |
Tetrachlorophenols decrease or block ATP production without blocking the electron transport chain. Thus the poisons uncouple phosphorylation from oxidation. Free energy from the electron transport chain then converts to more body heat. As body temp rises, heat-dissipating mechanisms are overcome and metabolism is speeded. More ADP and other substrates accumulate, and these substrates stimulate the electron transport chain further. The electron transport chain responds by using up more and more available oxygen (increasing oxygen demand) in an effort to produce ATP, but much of the free energy generated is liberated as still more body heat. Oxygen demand quickly overcomes oxygen supply, and energy reserves become depleted. (A541) |
Source: DrugBank or Hazardous Substances Data Bank (HSDB) |