PMID: 6162265Nov 1, 1980Paper

Possibilities for the evaluation of receptor sites in benign prostatic hyperplasia and carcinoma of the prostate (author's transl)

Der Urologe. Ausg. A
D FischerM Bressel

Abstract

Cytoplasmic and nuclear receptor sites of the prostate will be determined for a qualitative information about the pattern of specific bindings. Their qualitative evaluation and their selective suppression will give an idea about the hormonal influence and regulation in prostatic tissue. These investigations are performed in some cases of prostatic cancer. The difficulty of tissue preparation is caused by the individual distribution of collagen tissue in prostatic cancer which will decide the yield of purified receptor sites. Besides the elemination of unspecific binding sites like SHBG and albumin is an evidence for the value of a method. According to high amount of binding sites the most effective preparation of patients before a tissue biopsy is discussed. For the clinical application the DCC test in case of cytoplasmic sites and the exchange test for nuclear sites seem to provide a suitable method. Performing gelfiltration and additional test with denatured material is necessary because of the similar size of SHBG and receptor complexes interfering the results.

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