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The CcdA/CcdB Type II Toxin-antitoxin system is one example of the bacterial toxin-antitoxin (TA) systems that encode two proteins, one a potent inhibitor of cell proliferation (toxin) and the other its specific antidote (antitoxin). These systems preferentially guarantee growth of plasmid -carrying daughter cells in a bacterial population by ...
Not to be confused with anecdote. An antidote is a substance that can counteract a form of poisoning. [ 1 ] The term ultimately derives from the Greek term φάρμακον ἀντίδοτον (pharmakon antidoton), " (medicine) given as a remedy". Antidotes for anticoagulants are sometimes referred to as reversal agents.
Strychnos toxifera, the Strychnos species which is the principal source of 'calabash curare' and its main active constituent, the alkaloid toxiferine. Curare (/ kʊˈrɑːri / or / kjʊˈrɑːri /; kuu-RAH-ree or kyuu-RAH-ree) is a common name for various alkaloid arrow poisons originating from plant extracts.
Cyanide is a potent cytochrome c oxidase (COX, a.k.a. Complex IV) inhibitor, causing asphyxiation of cells. As such, cyanide poisoning is a form of histotoxic hypoxia, because it interferes with the ability of cells to take or use oxygen via oxidative phosphorylation. [ 25 ]: 1475. Specifically, cyanide binds to the heme a3-CuB binuclear center ...
Tetrodotoxin (TTX) is a poison produced by organisms belonging to the Tetraodontiformes order, which includes the puffer fish, ocean sunfish, and porcupine fish. [55] Within the puffer fish, TTX is found in the liver, gonads, intestines, and skin. [6] [56] TTX can be fatal if consumed, and has become a common form of poisoning in many countries.
Mithridate, also known as mithridatium, mithridatum, or mithridaticum, is a semi-mythical remedy with as many as 65 ingredients, used as an antidote for poisoning, and said to have been created by Mithridates VI Eupator of Pontus in the 1st century BC. It was one of the most complex and highly sought-after drugs during the Middle Ages and the ...
Frequency. ~2,500 cases per year (US)[2] Digoxin toxicity, also known as digoxin poisoning, is a type of poisoningthat occurs in people who take too much of the medication digoxinor eat plants such as foxglovethat contain a similar substance. [1][2]Symptoms are typically vague.[1]
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