FITC-labelled alpha-bungarotoxin visualization of neurons in the central nervous system of pteropodial mollusc Clione limacinaстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:FITC-labelled alpha-bungarotoxin (alpha BT[FITC]) was used to identify acetylcholine (ACh)-sensitive neurons in the central nervous system of pteropodial mollusc Clione limacina. Two small symmetrical neurons were stained with alpha BT[FITC] on the dorsal surface of the cerebral ganglia. The staining was highly specific as it was completely blocked by preincubation in alpha-bungarotoxin [alpha BT] at very low concentration (10(-9) M). Nicotinic agonists and antagonists efficiently prevented alpha BT[FITC] staining while muscarinic agonists and antagonists had no effect. These findings confirm the suggestion that alpha BT[FITC] binds to nicotinic ACh receptors. The possible role is discussed of alpha BT[FITC]-stained cells in the complex of hunting behavior of Clione.