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Hydrogen-rich saline ameliorates the retina against light-induced damage in rats

 

Oxidative reactions are thought to be a major cause of light-induced retinal degeneration. This study was designed to investigate the effects of hydrogen-rich saline (HRS) on the prevention and treatment of light-induced retinal injury in rats.

Male Sprague–Dawley rats were divided randomly into three groups: light damage, HRS prevention (5 ml/kg, 30 min before intensive light exposure), and HRS treatment (5 ml/kg per day for 5 days, after intensive light exposure), respectively. The right eye of each rat was exposed to 5000 lux constant white light-emitting diode (LED) light for 3 h, and the left eye was covered to serve as the blank control.

Electroretinograms were recorded 5 days later, and the thickness of the outer nuclear layer (ONL) was measured after hematoxylin and eosin (HE) staining. The results showed that the electroretinogram b-wave amplitudes and the mean ONL thicknesses of rats were significantly greater in the HRS prevention (P

These results indicated that peritoneal injection of HRS provides protection and treatment against light-induced retinal degeneration in rats.

Author: Liang TianLei ZhangFeng XiaJing AnYashino SugitaZuoming Zhang
Credits/Source: Medical Gas Research 2013, 3:19

Published on: 2013-09-01

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