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Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-609801


Objective To investigate whether activation of protein kmase C (PKC) can induce the activation and nuclear translocation of nuclear factor enthroid 2-related factor 2 (Nrf2) in retinal pigment epithelial (RPE) cells in vitro,and explore whether PKC activation may affect the expression of Nrf2 in RPE cells.Methods PKC-specific activator phorbol ester PMA was used to culture rabbit RPE cells and RPE cells pretreated with Nrf2 inhibitor for 24 hours.Immunofluorescence and Western blot were used to detect Nrf2 in the nucleus of the expression of the situation,the data were obtained for statistical analysis.Results The expression of Nrf2 protein in the nucleus of PRE cells was detected by immunofluorescence.Compared with the control group,the expression of Nrf2 protein in the nucleus of RPE cells increased in the experimental group,and the increase of PMA + Nrf2 inhibitor group was lower than that of PMA group.The difference between the two groups was statistically significant (P <0.05).Western blot analysis showed that the Nrf2 protein in the nucleus of PRE was quantitatively analyzed by image analysis.The gray value of the control group was significantly different (0.286 ± 0.013 in the control group,1.304 ± 0.033 in the PMA group and 0.671 ± 0.087 in the PMA + Nrf2 inhibitor group,P < 0.05).Conclusion PKC can activate nuclear translocation of Nrf2 in rabbit RPE cytoplasm,and Nrf2 inhibitor can attenuate the effect of PKC.

Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-389930


Objecfive To observe the effects of combined acupuncture and point injection in the treatment of diabetic ophthalmoplegia patients.Methods 40 patients with diabetic ophthalmoplegia were randomly recruited into a control group and a treatment group,with 20 patients in each group.The control group was treated with acupuncture,and the treatment group was additionally treated with point injection.Therapeutic effects were observed after the treatment.Results Effective rate was 85% and 55%in the treatment group and the control group respectively,showing significant difference(P=0.0384<0.05).Conclusion Acupuncture combined with point injection is effective in treating patients with diabetic ophthalmoplegia.