Selenium incorporated guar gum nanoparticles safeguards mitochondrial bioenergetics during ischemia reperfusion injury in H9c2 cardiac cells
2017
Soumya, R.S. | Ayyappan, Prathapan | Raj, P Salin | Vineetha, V.P. | Raghu, K.G.
The application of nanotechnology has created high impact in diagnosis and prognosis of various disorders including cardiovascular diseases. In the present study, we investigated the beneficial effect of selenium incorporated guar gum nanoparticles (SGG) compared to nascent selenium (Se) and guar gum nanoparticle (GGN) against ischemia-reperfusion induced alterations in oxidative phosphorylation and energy metabolism in H9c2 cardiac cells. Ischemia and reperfusion were induced for 1h. The alterations in activities of various complexes (complex 1, II, III and IV) of mitochondrial electron transport chain (ETC), aconitase activity, oxygen consumption rate, and the ATP content were seen. The role of heat shock protein, hypoxia inducible factor-1α and atrial natriuretic factor (ANP) were also analyzed. Then the beneficial properties of various particles like Se, GGN and SGG were evaluated. Among these, SGG treatment (1 and 5ng) was found to be more beneficial compared to other particles. Overall results reveal that SGG nanoparticles are effective in protecting H9c2 cardiac cells from IR injury via improving the efficiency of ETC in H9c2 cells.
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