RÉSUMÉ
Objective:To discuss the protective effect of Syringin (SYR) on myotube cell atrophy induced by lipopolysaccharide (LPS) and its molecular mechanism.Methods:After C2C12 myoblasts were differentiated into myotubes, they were divided into normal control group, model group and syringin group according to the random number table method. The cultured medium of model group and syringin group were added with LPS with a concentration of 200 ng/ml; the cultured medium of the syringin group was also added with 10 μmol/L syringin for 24 h. CCK8 was used to detect cell viability. In cell supernatant, NO release was detected with Griess and TNF-α level was detected by ELISA kit. The expression of NF-κB, PPAR γ1, MyHC were detected by Western blot.Results:Compared with the model group, the viability of cells [(101.08±8.92)%, (79.53±5.19)% vs. (69.07±7.16)%] in the 10 μmol/L and 100 μmol/L syringin groups were significantly increased ( P<0.01 or P<0.01), of which 10 μmol/L syringin had better effect. Compared with the model group, the level of NO [(2.92±0.33) μmol/L vs. (3.57±0.41) μmol/L] in the syringin group was significantly decreased after 6 hours of intervention ( P<0.01), and the cells in the syringin group after 24 hours of intervention, the level of TNF-α [(2.73±0.29) pg/ml vs. (4.15±0.29) pg/ml] was significantly decreased ( P<0.01), and the protein expression of cellular NF-κB (0.95±0.24 vs. 1.16±0.28) was significantly decreased ( P<0.05), the protein expression of MyHC (0.79±0.15 vs. 0.70±0.16) was increased ( P<0.05). Conclusion:SYR could inhibit the inflammatory response induced by LPS, promote the activity of myotubes, and antagonize the damage of LPS to myotube cells.
RÉSUMÉ
Objective To know the preventive effects of using hammock firmness sheets for pa-tients with pressure ulcer.Methods Divided 98 patients into the application group (31 cases), the treatment group(30 cases) and the control group(37 cases) according to themselves condition.Hammock firmness sheets was used in the application group, while the routine preventive method of pressure ulcer was used in the control group.To know the preventive effects of pressure ulcer betweent the two groups.The patients in the treatment group was patients had pressure ulcer, hammock firmness sheets combined with local massage were used for them, observed the treatment effects for them.Results The condi-tion of preventive effect of pressure ulcer in the application group was better than those of in the control group.The cure rate of pres sure ulcer in the treatment group was 90%.Conclusions The hammock firmness sheets can prevent pressure ulcer effectively.
RÉSUMÉ
Objective To explore the constraint effect of self - made binding sheets to restless patients. Methods Using soft canvas and thick qualitative cotton for sheets making. 100 cases of Neurusurgery JCAHO into patients of level 2～3 were, randomly divided into 52 cases of obeservation group and 48 cases of control group, then use self - made binding sheets and traditional binding sheets respectively for the purpose of protective constraint. Re-sults The interference treatment and skin damage of the observation group, and the psychological pressure of nursing staff were significantly lower than those in control group (P < 0.01). Conclusions With self - made binding sheets the patients have integrity constraints, and the result is better than the traditional one.