RESUMO
Prenatal diagnosis of a potentially lethal condition as shown and confirmed with color flow Doppler; demonstration of an aberrant systemic blood supply
Assuntos
Humanos , Masculino , Feminino , Gravidez , Recém-Nascido , Adulto , Sequestro Broncopulmonar , Autopsia , Pulmão/patologia , Sequestro Broncopulmonar/patologia , Ultrassonografia Doppler em CoresRESUMO
Rats implanted bilaterally with cannulae in the CA1 region of the dorsal hippocampus or the entorhinal cortex were submitted to either a one-trial inhibitory avoidance task, or to 5 min of habituation to an open field. Immediately after training, they received intrahippocampal or intraentorhinal 0.5-æl infusions of saline, of a vehicle (2 percent dimethylsulfoxide in saline), of the glutamatergic N-methyl-D-aspartate (NMDA) receptor antagonist 2-amino-5-phosphono pentanoic acid (AP5), of the protein kinase A inhibitor Rp-cAMPs (0.5 æg/side), of the calcium-calmodulin protein kinase II inhibitor KN-62, of the dopaminergic D1 antagonist SCH23390, or of the mitogen-activated protein kinase kinase inhibitor PD098059. Animals were tested in each task 24 h after training. Intrahippocampal KN-62 was amnestic for habituation; none of the other treatments had any effect on the retention of this task. In contrast, all of them strongly affected memory of the avoidance task. Intrahippocampal Rp-cAMPs, KN-62 and AP5, and intraentorhinal Rp-cAMPs, KN-62, PD098059 and SCH23390 caused retrograde amnesia. In view of the known actions of the treatments used, the present findings point to important biochemical differences in memory consolidation processes of the two tasks
Assuntos
Animais , Masculino , Ratos , 1-(5-Isoquinolinasulfonil)-2-Metilpiperazina/farmacologia , Aprendizagem da Esquiva/efeitos dos fármacos , Proteínas Quinases Dependentes de Cálcio-Calmodulina/farmacologia , Inibidores Enzimáticos/farmacologia , Agonistas de Aminoácidos Excitatórios/farmacologia , Habituação Psicofisiológica/efeitos dos fármacos , Memória/efeitos dos fármacos , Análise de Variância , Relação Dose-Resposta a Droga , Córtex Entorrinal/efeitos dos fármacos , Hipocampo/efeitos dos fármacos , Ratos Wistar , Análise e Desempenho de TarefasRESUMO
Se establecen los valores de referencia para las fracciones electroforeticas de proteinas sericas en recien nacidos sanos.Se detecta una diferencia estadisticamente significativa entre ambos sexos para los valores de proteinas totales, albumina y globulinas alfa 1 y alfa 2. Las medianas para las proteinas totales fueron 6.26g% y 5.67g% para ninos y ninas respectivamente (P<0.001). Las medianas de los porcentajes relativos de las fracciones electroforeticas de ninos y ninas fueron albumina: 61.16 y 67.04 (P<0.001), globulinas alfa 1: 3.30 y 1.89 (P<0.001), globulinas alfa 2: 7.30 y 4.76 (P<0.005), globulinas beta: 8.41 y 7.06 y globulinas gamma 19.90 y 17.30 respectivamente. No se detecto difencia estadisticamente significativa para las fracciones beta y gamma globulinas entre ambos sexos