L. N. Utkina

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Intraperitoneal injection of 5 µg/kg lipopolysaccharide (LPS) of Escherichia coli in acute experiments on anesthetized rats under thermostabilized conditions (26°C) led to an increase in the frequency of multineuronal afferent impulsation in the n. vagus (recording at the cervical level); this increase began 10 min after injection and was preserved until(More)
Changes in the catecholamine content in adrenergic fibres, acetylcholinesterase activity, and in the energy metabolism enzymes lactate dehydrogenase and succinate dehydrogenase in neurons of the gastric intramural plexus during emotional stress in rats a day after combined exposure to prolonged (30 days) ionizing radiation in a total dose 1.0 Gy and 0.6(More)
Alterations caused by hypothermal stress in neurons of pelvic plexus in rats were studied histochemically. The increase of catecholamine content in neurons and serotonin--in small intensely fluorescent cells (SIFC), suppression of acetyl cholinesterase activity in neurons were demonstrated after the short-term hypothermal stress leading to moderate(More)
In anaesthetised rats, i.p. administration of the Echerichia coli lipopolysaccharide in doses 5 mcg/kg (LPS) increased afferent activity of the cervical vagus, whereas 100 and 1000 mcg/kg doses inhibited the afferent discharges. Pyrogen-free saline (PFS) did not alter the activity. Rectal temperature (RT) was decreased by the PFS and by large doses of the(More)
The changes in the activity of NADPH-d and energy metabolism enzymes, lactate dehydrogenase (LDG) and succinate dehydrogenase (SDG), in the neurons of splanchnic and myenteric plexus (SP and MP, respectively), induced by 1-h-long ischemization of a part of the small intestine, were studied using cytophotometric technique; the measurements were performed(More)
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