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1.
Chinese Journal of Medical Education Research ; (12): 1713-1715, 2022.
Article in Chinese | WPRIM | ID: wpr-991227

ABSTRACT

At present, the non-directly-administered affiliated hospitals generally have some problems in the teaching of clinical probation such as weak subjective teaching consciousness, few full-time teaching administrators, insufficient investment in teaching facilities, uneven teaching levels, unclear division of responsibilities and so on. Based on this, it is proposed to adopt the measures of strengthening consciousness, creating process and strengthening examination to explore the standardized teaching methods of clinical probation from four aspects: making clear the teaching purpose of the probation, making good preparation for the probation teaching, refining the teaching process of the probation teaching and paying attention to the actual effect evaluation after the probation, so as to improve the quality of clinical probation teaching in non-directly-administered affiliated hospitals.

2.
Journal of Shanghai Jiaotong University(Medical Science) ; (12): 312-317, 2017.
Article in Chinese | WPRIM | ID: wpr-515187

ABSTRACT

Objective · To investigate effect of fucoidan on autophagy, migration and invasion in human multiple myeloma U266 cells. Methods · The U266 cells treated with fucoidan were cultured in vitro. The formation of autophagosomes was observed by transmission electron microscopy (TEM). Transwell assay was used to evaluate the effect of fucoidan on migratory and invasive abilities of U266 cells. The protein levels of LC3-Ⅱ/LC3-Ⅰ, Beclin-1, P62, MMP9, CXCR4, p-AKT/T-AKT, p-mTOR/T-mTOR were detected by Western blotting. MMP9 concentration in the culture medium was examined by ELISA. Results · ① Autophagosomes increased in fucoidan-treated cells compared with control group under TEM. ② Migratory and invasive abilities were inhibited by fucoidan in a dose-dependent manner, which were suppressed by chloroquine. ③ Western blotting demonstrated that expression of LC3-Ⅱ/LC3-Ⅰ, Beclin-1 and MMP9 increased in fucoidan-treated cells, while P62, CXCR4, p-AKT/T-AKT and p-mTOR/T-mTOR decreased compared with control group. ④ The result of ELISA showed that MMP9 concentration in the culture medium of fucoidan-treated cells significantly decreased. Conclusion · Fucoidan induces autophagy and inhibits migration and invasion in U266 cells.

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