RESUMO
The influence of modulated UHF-electromagnetic fields (low intensity) on calmodulin levels in several brain structures was studied. It was shown that UHF-electromagnetic fields influence calmodulin levels in the hypothalamus and sensorimotor cortex. Its effect depends on modulation regimes.
Assuntos
Química Encefálica , Calmodulina/análise , Campos Eletromagnéticos , Animais , Hipotálamo/química , Técnicas In Vitro , Masculino , Córtex Motor/química , Ratos , Córtex Somatossensorial/químicaRESUMO
The authors studied prophylactic action of adenosine analogs during ischemic liver damage. Hepatoprotective action of adenosine analogs was established.
Assuntos
Adenosina/análogos & derivados , Isquemia/prevenção & controle , Fígado/irrigação sanguínea , Doença Aguda , Adenosina/uso terapêutico , Animais , Modelos Animais de Doenças , Relação Dose-Resposta a Droga , Avaliação Pré-Clínica de Medicamentos , Hipóxia/tratamento farmacológico , Hipóxia/metabolismo , Isquemia/metabolismo , Fígado/efeitos dos fármacos , Fígado/metabolismo , Masculino , RatosRESUMO
Several N6-adenosine analogs were synthesized and their A1-purine receptor binding affinities were determined. Our results demonstrate that N6-allyl- and N6-aminopropanol-adenosine increase affinities to A1-purine receptor in guinea pig ileum.
Assuntos
Adenosina/análogos & derivados , Íleo/metabolismo , Receptores Purinérgicos/metabolismo , Adenosina/metabolismo , Animais , Cobaias , Masculino , Fenilisopropiladenosina/metabolismo , Ducto Deferente/metabolismoRESUMO
The functional and morphological manifestations of the protective effect of piracetam were studied on the model of two-day stress. Piracetam was shown to preserve the central nervous system functional activity, to decrease the pathophysiological and morphological manifestations of the stress syndrome.