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Morphological and Biochemical Characteristics of Prostate Hyperplasia during Sulpiride Treatment

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We studied morphological changes in the prostate ventral lobe, proliferative activity of the epithelium in prostate acini, and the levels of prolactin and prostate-specific antigen in the blood serum of Sprague-Dawley rats after repeated injections of sulpiride in a dose of 40 mg/ kg over 30 and 60 days and in 10 and 30 days after withdrawal. Morphological and morphometrical analysis of hyperplastic changes in the prostate ventral lobe was performed. Ki-67+ proliferating epithelial cells in the acini were counted. The dynamics of serum concentrations of prolactin and prostate-specific antigen was evaluated by ELISA. Morphological and morphometrical analysis and evaluation of the content of Ki-67+ cells demonstrated epithelium hyperplasia in the prostate ventral lobe after sulpiride treatment for 30 or 60 days and in 10 days after withdrawal, but serum level of prostate-specific antigen did not differ from the control. After 60-day sulpiride treatment and in 30 days after withdrawal, pronounced hyperplastic changes of prostate and elevated concentrations of prostate-specific antigen (but not prolactin) were observed. Thus, administration of sulpiride (40 mg/kg) to Sprague-Dawley rats for 60 days allows, by morphological criteria and serum level of prostate-specific antigen, to model stable hyperplastic changes in the prostate corresponding to benign prostatic hyperplasia in humans.

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Authors and Affiliations

  1. Research Institute of Human Morphology, Moscow, Russia

    I. S. Tsvetkov, A. M. Kosyreva, V. A. Mkhitarov, E. A. Postovalova, D. N. Khochanskiy, O. V. Makarova, O. Y. Bredova & V. F. Ostrov

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  1. I. S. Tsvetkov
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  2. A. M. Kosyreva
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  3. V. A. Mkhitarov
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  4. E. A. Postovalova
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  5. D. N. Khochanskiy
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  6. O. V. Makarova
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  7. O. Y. Bredova
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  8. V. F. Ostrov
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Correspondence to I. S. Tsvetkov.

Additional information

Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 168, No. 10, pp. 523-528, October, 2019

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Tsvetkov, I.S., Kosyreva, A.M., Mkhitarov, V.A. et al. Morphological and Biochemical Characteristics of Prostate Hyperplasia during Sulpiride Treatment. Bull Exp Biol Med 168, 533–537 (2020). https://doi.org/10.1007/s10517-020-04748-2

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  • DOI: https://doi.org/10.1007/s10517-020-04748-2

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