Publicação: Exposure to aluminium chloride during the peripuberal period induces prostate damage in male rats
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Aluminium (Al) is an important metal, but it can be toxic including for prostate tissue. This study aimed to evaluate whether exposure to aluminium chloride (AlCl3) during the peripubertal period affects ventral prostate development in rats. Male Wistar rats (30 days old) were distributed into three experimental groups: control (sterile 0.9% saline solution), AL7 (7 mg AlCl3/kg) and AL34 (34 mg AlCl3/kg). Animals were treated intraperitoneally from postnatal day (PND) 36–66 (peripubertal period). At PND67, the animals were anaesthetized and euthanized. Blood was collected for testosterone levels. The ventral prostate (VP) was removed, weighed and processed for histochemistry and immunohistochemistry to detect androgen (AR) and Ki67. Stereological and histopathological analyses, mast cell counts, and determinations of myeloperoxidase (MPO) and N-acetyl glycosidase (NAG) activity and IL-6 levels were performed. The AL34 group presented a reduction in body weight and increase in MPO activity compared to the other groups. In both the AL7 and AL34 groups, there was reorganization of the prostatic tissue compartments. There was no significant difference in prostate weight, number of granulated or degranulated mast cells, or testosterone levels. In conclusion, the exposure to aluminium chloride during the peripubertal period impairs the prostatic development.
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Aluminium chloride, Inflammation, Testosterone, Ventral prostate
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Inglês
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Acta Histochemica, v. 124, n. 1, 2022.
