Synthesis and effect of a new Terbium gibberellic complex on the histopathological alteration induced by Gibberellic acid on liver and kidney of mice Mus musculus
2018
: The objective of this study was to synthesize Gibberellic lanthanide complex and evaluate its biological activity to reduce the Gibberellic acid toxicity on liver and kidney. The new bis(Gibberellic)-nitro-terbium(III) complex was characterized by different analytical methods: elemental analyses, UV-Vis, molar ratio, fluorescence, FT-IR, and TGA-DTA measurements. Thirty newborns were classified into three groups control, Gibberellic acid, and Terbium gibberellic acid complex. Livers and kidneys of studied groups proceed for general histology and immunohistochemical staining of Cyr61, cytochrome C, and TNFR2. From the absorption titration measurements, the binding constants of DNA with Tb(III)-(GA)2 complex and free ligand were found to be 3.9 × 104 and 2.1 × 103 m-1 , respectively, with the stoichiometry of 1:1. Hypochromism was observed from the absorption titration experiment which indicates the intercalation of Tb(III)-(GA)2 complex between the base pairs of DNA. Gibberellic acid-treated group showed alteration in the histological picture of livers and kidneys that accompanied with the reduction in the expression of Cyr61, cyt C, and TNFR2. The amelioration was observed in Gibberellic acid complex with Terbium group. The study concluded that Terbium gibberellic complex is less dangerous effects than Gibberellic acid alone.
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