Our study indicates that in hormone refractory prostate cancer a high level of the anti-inflammatory cytokines IL-4, IL-6 and IL-10 develops that is directly associated with elevated PSA. Changes in the level of anti-inflammatory cytokines when androgen independent cells exist may have an important role in the selection of a subset of hormone insensitive cells. These criteria may be used as a prognostic marker for the response to hormone ablation therapy in men with prostate cancer.
Prior to vaccination with a trivalent influenza vaccine (AT/Texas, AB/Beijing, and BP/Panama), sera from 19 MS patients had a significantly higher mean level of antibody than 9 normal subjects to AT strain of influenza, but not to AB or BP strains. After Flu vaccination, the mean anti-AT and anti-AB antibody titers significantly increased 4-fold in 11 MS patients and 9 normal subjects. The ratio of MS responders (6/11), however, was lower than normal (8/9). The mean PBL proliferative response to the Flu antigens increased after vaccination significantly more in MS patients than in normal subjects, and increased in 9 of 11 MS patients and 3 of 9 normal subjects. Although MS patients responded to Flu antigens with higher antibody levels and proliferative responses of PBL, than normal subjects, a clinical protective effect of the vaccine against Flu was not clearly demonstrated in these patients, and vaccination did not cause or protect against exacerbation of MS.
Adenovirus-mediated gene transfer of p53 protein significantly decreases the formation of neointima in the rat carotid injury model. This may represent a potential therapy for restenosis in humans.
Three fishermen from Maryland who swallowed live bait-minnows developed severe abdominal pain within 24 hr; 2 required abdominal surgery. Larvae of the nematode Eustrongylides sp. were found in the peritoneal cavity of both (Guerin et al., 1982). In the current study, the lesions produced by Eustrongylides larvae were investigated in New Zealand white rabbits. None of these exhibited any signs of clinical illness; however, postmortem examination within 24 hr of inoculation revealed that larvae had migrated through the walls of the esophagus and stomach and viable larvae were recovered from the pleural and peritoneal cavities as well as from gastric contents. Necropsies performed at different intervals of time postinoculation showed that the migrating larvae had produced multi-focal peritonitis and multiple granulomata in the liver.
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