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Summary
This study shows that lactogen binds testosterone in the prostate, enhancing acid phosphatase activity. Inactivation of lactogen reduces this steroid response, demonstrating a novel in vitro interaction.
Area of Science:
- Endocrinology
- Biochemistry
- Urology
Background:
- Prostate tissue is sensitive to hormonal influences.
- Acid phosphatase activity in the prostate is linked to steroid metabolism.
Purpose of the Study:
- To investigate the interaction between lactogen, testosterone, and acid phosphatase in prostate tissue.
- To demonstrate the in vitro relationship between steroid hormones and lactogen in prostate tissue.
Main Methods:
- In vitro incubation of human prostate tissue.
- Assay of acid phosphatase activity.
- Use of lactogen and lactogen antibody treatments.
Main Results:
- Lactogen facilitated testosterone binding to prostate tissue.
- Steroid therapy enhanced acid phosphatase activity.
- Lactogen antibody treatment diminished the steroid response, indicating lactogen inactivation.
Conclusions:
- A novel in vitro interaction between steroid, lactogen, and phosphatase in prostate tissue has been demonstrated.
- Endogenous lactogen plays a role in mediating steroid effects on prostate acid phosphatase activity.