Wynik wyszukiwania w bazie Polska Bibliografia Lekarska GBL

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Tytuł oryginału: Effect of (S)-3,5-DHPG on learning, exploratory activity and anxiety in rats with experimental hypoxia.
Autorzy: Nadlewska Agnieszka, Car Halina, Oksztel Robert, Wiśniewski Konstanty
Źródło: Pol. J. Pharmacol. 2002: 54 (1) s.11-18, il., bibliogr. 38 poz.
Sygnatura GBL: 313,156

Hasła klasyfikacyjne GBL:
  • farmacja

    Typ dokumentu:
  • praca doświadczalna
  • tytuł obcojęzyczny

    Wskaźnik treści:
  • zwierzęta
  • szczury

    Streszczenie angielskie: We investigated the effects of (S)-3,5-DHPG, a selective agonist of group I metabotropic glutamate receptors (I mGluRs), on certain behaviors in rats after short-term hypoxia as a model of experimentally induced amnesia. The effect of (S)-3,5-DHPG administered intracerebroventriculary (icv) at doses of 0.01, 0.1 and 1.0 nmol was assessed using behavioral tests: the open field test, the passive avoidance response and the elevated "plus" maze test. (S)-3,5-DHPG did not change the number of crossed fileds and rearings and only at a dose of 0.01 nmol it increased the number of bar approaches in the open field test. (S)-3,5-DHPG used at all doses improved consolidation, and at doses of 0.01 and 1.0 nmol it improved retrieval in the passive avoidance test. (S)-3,5-DHPG did not produce any significant effects in control rats in the elevated "plus" maze test. Hypoxia inhibited locomotor and exploratory activity of rats, significantly impaired consolidation and retrieval processes. We observed tendency to shortening the time spent in open arms and to decrease in the number of entries into open arms in the number of entries into open arms in the elevated "plus" maze in rats with undrewent hypoxia. In hypoxia-treated groups of rats, (S)-3,5-DHPG inhibited locomotor and exploratory activity in comparison with the control groups administered (S)-3,5-DHPG. Hypoxia significantly inhibited beneficial effects of (S)-3,5-DHPG on consolidation and retrieval in passive avoidance. (S)-3,5-DHPG only at the dose of 1.0 nmol used before hypoxia improved consolidation and at the dose of 0.01 nmolenhanced retieval in comparison with saline-treated group subjected to hypoxia...

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    Tytuł oryginału: Behavioral effects of the selective blockade of metabotropic glutamate receptor subtype 5 in experimental hypoxia.
    Autorzy: Nadlewska Agnieszka, Car Halina, Wiśniewska Róża J., Wiśniewski Konstanty
    Źródło: Pol. J. Pharmacol. 2002: 54 (2) s.95-102, il., tab., bibliogr. 39 poz.
    Sygnatura GBL: 313,156

    Hasła klasyfikacyjne GBL:
  • farmacja
  • neurologia

    Typ dokumentu:
  • praca doświadczalna
  • tytuł obcojęzyczny

    Wskaźnik treści:
  • zwierzęta
  • szczury

    Streszczenie angielskie: The behavioral activity of 2-methyl-6-(phenylethynyl)-pyridine (MPEP) a selective antagonist of metabotropic glutamate receptor subtype 5 (mGluR5), was assessed in control groups of rats and in rats that underwent short-term hypoxia. MPEP applied intravenously (iv) at the dose of 1 mg/kg was tested using the open field test, the passive avoidance test and the elevated "plus" mzae test. MPEP significantly increased the number of crossings, rearings and bar approaches in the open field test. It improved the consolidation and retrieval in the passive avoidance situation and did not produce any significant effects in control rats in the elevated "plus" maze test. Hypoxia (2 p.c. O2, 98 p.c. N2) significantly inhibited locomotor and exploratory activity of rats and also impaired consolidation and retrieval processes, but it did not evoke any changes in the elevated "plus" maze test. MPEP in hypoxia-exposed groups of rats inhibited locomotor and exploratory activity in comparison with MPEP-treated control group. Hypoxia significantly diminished beneficial effect of MPEP on consolidation. In spite of experimental conditions of hypoxia, the effect of MPEP on retrieval was preserved. MPEP used before hypoxia did not significantly influence all parameters of the elevated "plus" maze test. In conclusion, MPEP had beneficial effect on retrieval in hypoxia.

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    Tytuł oryginału: Efekty behawioralne pośredniczone przez metabotropowe receptory glutaminergiczne grupy I w eksperymentalnej hipoksji : praca doktorska
    Autorzy: Nadlewska Agnieszka, Wiśniewska Róża Julia (promot.).; Akademia Medyczna Zakład Farmakologii w Białymstoku
    Źródło: 2002, [1], 79 k. : il., tab., bibliogr. 225 poz., streszcz., maszyn.
    Sygnatura GBL: 45/20552

    Hasła klasyfikacyjne GBL:
  • neurologia

    Typ dokumentu:
  • praca doświadczalna
  • praca doktorska

    Wskaźnik treści:
  • zwierzęta
  • szczury

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