Hormonal response during a fenfluramine-associated panic attack

Secretion curves for prolactin, cortisol, TSH, and GH from a 37-year old woman with dysthymia and panic disorder with agoraphobia were determined one day prior to (day I), and during a panic attack (day II) associated with an oral dose of 60 mg dl-fenfluramine, a drug known to increase anticipatory anxiety. The increased cortisol secretion observed is discussed in relation to the hormonal correlates of anxiety and the possible role of depresion, dl-fenfluramine, and serotonergic receptor sensitivity.

Isolamento de amebas de vida livre a partir de agua mineral engarrafada. / Isolation of free-living amoebae from bottled mineral water

Foram isoladas amebas dos generos Vahlkampfia, Glaeseria, Acanthamoeba, Filamoeba, Amoeba, Platyamoeba e Hartmanella de dez diferentes marcas de agua mineral engarrafadas, servidas no Rio de Janeiro, RJ (Brasil). Somente uma das marcas foi negativa para protozoarios, enquanto que de todas as outras foram isoladas amebas de vida livre. O significado desses resultados e discutido como um indicador de qualidade da agua mineral usada comercialmente, destacando-se o fato de que alguns desses microorganismos sao potencialmente patogenicos