Structure-activity relationship studies centered around 3'-substituted (Z)-5-(2'-(thienylmethylidene))1,2-dihydro-9-hydroxy-10-methoxy-2,2,4-trimethyl-5H-chromeno[3,4-f]quinolines are described. A series of highly potent and efficacious selective glucocorticoid receptor modulators were identified with in vitro activity comparable to dexamethasone. In vivo evaluation of these compounds utilizing a 28 day mouse tumor xenograft model demonstrated efficacy equal to dexamethasone in the reduction of tumor volume.
La isquemia medular (IM) es una emergencia médica causada por hipoperfusión o embolismo de la arteria espinal. El inicio de los síntomas es abrupto, y su presentación clínica y gravedad es amplia, dependiendo del segmento medular comprometido. Entre las causas más frecuentes están la enfermedad ateroesclerótica, las cirugías vasculares aórticas y, menos comúnmente, la disección aórtica (DA). La IM conlleva secuelas graves y alta mortalidad. Este artículo describe el caso de un paciente con infarto medular agudo como primera manifestación de un hematoma intramural (HIM) en un aneurisma de aorta torácica.
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