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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996
EISSN: 1596-9827
Vol. 12, No. 3, 2013, pp. 343-349
Bioline Code: pr13053
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 12, No. 3, 2013, pp. 343-349

 en Protective Effect of Modified Human Acidic Fibroblast Growth Factor against Actinomycin D-Induced NRK52E Cells Apoptotic Death
Xu, Hua; Xu, Hong; Hai, Guang-fan; He, Qing & Zhang, Chang-e

Abstract

Purpose: To investigate whether modified acidic fibroblast growth factor (MaFGF) can protect NRK52E cell against apoptotic death induced by actinomycin D (Act D) and the effect of MaFGF on PI3K/Akt signaling pathway.
Methods: NRK52E cell apoptotic death was measured by several methods including cell morphologic observation, Hoechst 33342 staining and flow cytometry. In addition, the levels of phosphorylated-Akt protein were analyzed by Western blotting method.
Results: The results showed that 0.75 mg/L Act D-treated NRK52E cell for 20 h was the optimal conditions for establishing NRK52E cell apoptotic model. Different doses of MaFGF (0.01, 0.03, 0.1, 0.3 and 1.0 mg/L) decreased apoptotic rate but enhanced the expression of phosphorylated Akt protein. However, MaFGF’s protection against Act D-induced apoptosis was significantly (p < 0.05) prevented when NRK52E cells were exposed to wortmannin.
Conclusion: These results reveal that MaFGF can reduce the level of ActD-induced apoptotic cell death in 20 h, and the protective mechanism of MaFGF may be associated with the activation of PI3K/Akt signaling pathway by up-regulation of expression of phosphorylated Akt protein.

Keywords
Modified acidic fibroblast growth factor (MaFGF); Renal injury; Apoptotic death; Actinomycin D; Act D

 
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