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Biochemical and morphological changes in rats exposed to platinum nanoparticles

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Abstract

This study evaluated the toxicity potential of platinum (Pt) nanoparticles in Wistar rats. Wistar rats weighing between 180 and 193 g were randomly assigned into four groups. Animals in group 1 served as the control and received distilled water. Those in groups 2, 3, and 4 were administered with 10, 50, and 100 mg/kg body weight of Pt nanoparticles, respectively. At the end of treatments, the rats were fasted for 24 h and sacrificed under mild anesthesia. The blood and vital organs were collected and used for the biochemical and histopathological examinations. Pt nanoparticles caused significant alterations to the rat organ weights relative to the control. Also, the Pt nanoparticles altered the rat level of lipid profile and significantly elevated the atherogenic index relative to the control. The total protein level was increased in the tissues while the albumin decreased following nanoparticle treatment. Also, the nanoparticles inconsistently altered the level of serum urea and creatinine while the serum bilirubin level was raised. The activities of aspartate transaminase and alkaline phosphatase were reduced by nanoparticle treatments. However, the level of alanine aminotransferase (ALT) was inconsistently altered in serum and tissues by nanoparticle treatment with a significant elevation in the liver. Furthermore, nanoparticle exposure in rats caused several morphological lesions including inflammation and cellular degeneration, all of which were conspicuously absent in the control group. We show evidence that Pt nanoparticles potentiated alteration of rat biochemical and morphological indices in manners reminiscent of early cellular injury.

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Acknowledgments

The authors acknowledge the International Foundation for Science (IFS) Grant F/5672 to Dr OS ADEYEMI.

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Authors and Affiliations

  1. Department of Biological Sciences, College of Science and Engineering, Landmark University, Omu-Aran, Nigeria

    O. S. Adeyemi

  2. Department of Biochemistry, Faculty of Life Sciences, University of Ilorin, Ilorin, Nigeria

    F. A. Sulaiman, M. A. Akanji, H. O. B. Oloyede, S. T. Salman, A. R. Aransiola, A. G. Ajayi, M. M. Ekundayo, F. A. Abubakar & S. A. Olaoye

  3. Federal Medical Center, Ebute-Metta, Lagos, Nigeria

    A. A. Sulaiman

  4. Department of Biochemistry, University of Jos, Jos, Plateau State, Nigeria

    A. Olatunde

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  1. O. S. Adeyemi
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  2. F. A. Sulaiman
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  3. M. A. Akanji
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  4. H. O. B. Oloyede
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  12. S. A. Olaoye
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Correspondence to O. S. Adeyemi.

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Adeyemi, O.S., Sulaiman, F.A., Akanji, M.A. et al. Biochemical and morphological changes in rats exposed to platinum nanoparticles. Comp Clin Pathol 25, 855–864 (2016). https://doi.org/10.1007/s00580-016-2274-5

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  • DOI: https://doi.org/10.1007/s00580-016-2274-5

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