To study the effect of hyperbaric oxygen (HBO) on the activity of superoxygen dismutase (SOD) and catalase (CAT) in spinal cord tissue, a rat spinal cord injury (SCI) model was established. The results showed that the activity of SOD and CAT in the spinal cord decreased significantly after injury, bat recovered after the treatment with 0 25MPa HBO and 0 25MPa HBO+hormone. These results suggest that HBO can increase the activity of anti oxidase in spinal cord,and prevent or relieve the injury by free radicals. Thus it can recover the function of spinal cord.

To study the mechanism of hyperbaric oxygen (HBO) on spinal cord injury (SCI), we duplicated a SCI model and determined the concentrations of excitatory amino acids [EAA, including aspartic acid (Asp) and glutamic acid (Glu)] in spinal cord tissue after treated with 0 1 MPa HBO, 0 25 MPa HBO, 0 25 MPa N 2 O 2 and hormone, respectively. The results showed that the concentration of EAA (Glu) in the spinal cord significantly increased after injury, whereas after treatment it decreased in all but the N 2 O 2 group. It decreased most significantly in 0 25MPa HBO and 0 25MPa HBO+hormone groups. There were significant differences between 0 25MPa HBO group and 0 1MPa HBO group, 0 25MPa HBO+hormone group and pure hormone group ( P

Objective To observe the effect of Compoud Qingqin Liquids on renal function of rat model of uric acid nephropathy, and to discuss its protection of renal function. Methods The rat model was induced by gavaging adenine and feeding yeast. SD rats were randomly divided into control group, model group, positive group, and high-, medium-, low-dose groups of Chinese medicine. Blank control group and model group were daily gavaged with distilled water, positive control group was daily gavaged with allopurinol by 9.33 mg/kg, and high-, medium-, low-dose group of Chinese medicine was daily gavaged with Compound Qinggin Liguids by 3.77, 1.89, 0.09 g/(kg·d) respectively for 6 weeks. General condition of rats were observed, renal pathological changes were observed with light and electron microscope. Urine protein concentration, blood uric acid, blood urea nitrogen, creatinine and kidney weight index were respectively tested before and after treatment. Results There were no significant differences in eating, drinking and body weight between before and after modeling. Compoud Qingqin Liquids can obviously decrease the concentration of urine protein, blood uric acid, serum creatinine, blood urea nitrogen, and kidney weight index (P<0.05) of rats with uric acid nephropathy. Renal tubular epithelial cells atrophy and renal interstitial fibrosis of high-dose group of Chinese medicine were not evident. Conclusion Compoud Qingqin Liquids can protect the rats renal function against uric acid renal injury.