STUDY THE EFFECT OF EXOGENOUS ESTROGEN ADMINISTRATION ON PROSTATE GLAND OF LABORATORY WHITE MICE (MUS MUSCULAUS)
2013
Mukhallad A. Ramadhan
A substantial advance in our understanding on the estrogen signaling occurred in the last decade. Estrogens interact with two receptors, ESR1 and ESR2, also known as ERα and ERβ, respectively. ESR1 and ESR2 belong to the nuclear receptor family of transcription factors. 24 male mice divided into four groups as following : negative control, low dose group, intermediate dose group and high dose group, the groups of treatment were injected with estrogen at different doses while the negative control group were injected with normal saline (by method of intramuscular injection for all groups) and after 6 weeks all animals had been killed and the prostate was picked up and sectioned to reveal the histopathological changes. the study found that the injection of exogenous estrogen result in marked hyperplasia of the prostatic tissue and the hyperplasia increased significantly with elevation of the estrogen dose. In conclusion injection of exogenous estrogen lead to prostate hyperplasia through its action on the estrogen receptors which present in both stromal and epithelial component of the prostate
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