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Results for “Estramustine”

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Continuous versus intermittent oral therapy with estramustine phosphate (Estracyt).

A preliminary report is presented of prospective, randomized study with continuous and intermittent oral Estracyt treatment in patients with prostatic carcinoma. It seems that the therapeutic effect of intermittent treatment is as favorable as continuous therapy. Side effects and costs are lower with intermittent therapy.

Drug Administration Schedule↗

Purification of 45 KDa estramustine binding protein (EMBP) and preparation of its antibody.

The purification of 45 KDa EMBP and the production of monospecific anti-serum is described. 45 KDa EMBP was purified by relatively simple methods using ion exchange HPLC (TSK-GEL DEAE-5PW column) and size exclusion HPLC (TSK-GEL G3000SW column). The results clearly demonstrated the speed and simplicity of the method using these columns, compared to previously-described methods for purification of 45 KDa EMBP.

Amino Acids↗

Expression of estramustine-binding protein (EMBP) and the proliferation-associated antigen Ki-67 in prostatic carcinomas.

The expression of EMBP and the proliferation-associated antigen Ki-67 was studied in in vitro cultured prostatic carcinoma cells and in tumor tissues removed by transurethral electroresection (TUR). EMBP was found to be expressed predominantly in the moderately differentiated carcinomas. A technique based on the immunohistochemical analysis of fine needle specimens was also evaluated. This technique is of potential interest in prospective studies and in monitoring the effect of therapy. Ki-67 was found to be expressed in the prostatic carcinoma cell line (DU-145) studied, as well as in TUR specimens. This antigen reflects the proliferative characteristics of the tumor and may prove useful with respect to prognostic information and choice of appropriate therapy.

Antibodies, Monoclonal↗