Role of Cytochrome C and Tumor Necrosis Factor-Alpha in Memory Deficit Induced by High Doses of a Commercial Solid Air Freshener in Mice

Journal of Chemical Health Risks

مقاله 1، دوره 9، شماره 4، اسفند 2019، صفحه 263-274   

نوع مقاله: Original Article

شناسه دیجیتال (DOI): 10.22034/jchr.2019.669291

نویسندگان

Michael Afighor¹؛ Benneth Ben-Azu²؛ Abayomi M Ajayi¹؛ Solomon Umukoro^{* 1}

¹Neuropharmacology Unit, Department of Pharmacology and Therapeutics, College of Medicine, University of Ibadan, Ibadan, Nigeria

²Neuropharmacology Unit, Department of Pharmacology and Therapeutics, College of Medicine, University of Ibadan, Ibadan, Nigeria Department of Pharmacology, Faculty of Basic Medical Sciences,PAMO University of Medical Sciences, Port Harcourt, River States, Nigeria

چکیده

ABSTRACT: The study evaluated the role of cytochrome C and pro-inflammatory cytokines in memory deficit produced by a commercial solid air freshener (SAF) in male Swiss mice. The animals were culled into 6 groups (n = 7): group 2-6 were exposed to SAF (10, 25, 50, 100 and 200 mg/kg) for 28 consecutive days through whole body exposure. Mice in group 1(control) were exposed to fresh air. Memory function was evaluated on day 28 using standard models. Mice brains were then processed for estimation of tumor necrosis factor-alpha and interleukin-6, cytochrome C expression and histomorphologic changes. The chemical constituents of SAF were also determined using GC-MS.SAF (100 and 200 mg/kg) produced memory decline and increased brain contents of tumor necrosis factor-alpha (p <0.05) but not interleukin-6 (p > 0.05) relative to control. Increased cytochrome C immunopositive cells, reduced neuronal cells and cytoarchitectural changeswere observed in the hippocampus of mice exposed to SAF (200 g). MS GC-profiling showed the presence of 7 major volatile organic constituents in SAF. Increased release of tumor necrosis factor-alpha and cytochrome C expression might play a role in SAF-induced memory deficit in mice.

کلیدواژه‌ها

Solid air fresheners؛ Memory deficit؛ Cytochrome C expression؛ Pro-inflammatory cytokines؛ Histomorphologic changes

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