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Sub-chronic palladium nanoparticle effects on the endocrine reproductive system of female Wistar rats: Preliminary data.

Abstract：

:The technologically interesting properties of palladium nanoparticles (Pd-NPs) allowed their widespread industrial application, although concerns emerged on increasing general and occupational levels of exposure. In this context, to assess the toxicological behavior of Pd-NPs, and particularly their endocrine disruptive potential, has become a public health priority. Therefore, we evaluated Pd-NP impact on the female endocrine reproductive system of Wistar rats sub-chronically treated for 90 days with increasing doses of this xenobiotic (0.12, 1.2, and 12 µg/kg, administered at days 1, 30, and 60 for cumulative doses of 0.36, 3.6, and 36 µg/kg) via the intravenous route. In this regard, we investigated potential alterations in different sex hormone, for example, estradiol, follicle-stimulating hormone (FSH), luteinizing hormone, progesterone, and testosterone, serum concentrations. All treated groups showed significantly greater levels of FSH compared to controls, suggesting a possible impact of Pd-NPs on the regulatory system that controls the normal physiology of female reproductive function. Although relevant, since obtained under sub-chronic, low-dose conditions of exposure resembling those encountered in real-world scenarios, the present results are preliminary and require confirmation as well as identification of the possible underlining molecular mechanisms. From a public and occupational health perspective, implications for the reproductive health of exposed subjects and the next generations of women exposed during their childbearing age or pregnancy should be elucidated. This information is essential to elaborate adequate preventive strategies for assessing and controlling possible Pd-NPs adverse effects on the endocrine system.

journal_name

Toxicol Ind Health

journal_title

Toxicology and industrial health

authors

Leso V,Fontana L,Marinaccio A,Leopold K,Fanali C,Lucchetti D,Sgambato A,Iavicoli I

doi

10.1177/0748233719851702

subject

Has Abstract

pub_date

2019-06-01 00:00:00

pages

403-409

issue

eissn

0748-2337

issn

1477-0393

journal_volume

pub_type

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Sub-chronic palladium nanoparticle effects on the endocrine reproductive system of female Wistar rats: Preliminary data.