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Cell autophagy is involved in steroid-induced necrosis of the femoral head / 中国组织工程研究
Chinese Journal of Tissue Engineering Research ; (53): 1280-1287, 2017.
Article in Chinese | WPRIM | ID: wpr-514911
ABSTRACT

BACKGROUND:

Autophagy of osteocytes has been found to be implicated in the pathogenesis of steroid-induced necrosis of the femoral head and closely related to apoptosis.

OBJECTIVE:

To summarize the research progress of autophagy in the pathogenesis of steroid-induced necrosis of the femoral head by studying the interaction between cell autophagy and cell apoptosis as well as osteocytes.

METHODS:

A computer-based online retrieval of PubMed, Embase and CNKI databases was performed for relevant literatures published from October 1996 to October 2016 with the keywords of steroid, necrosis of the femoral head, cell apoptosis, cell autophagy, osteocyte in Chinese and English, respectively. The articles concerning steroid-induced necrosis of femoral head and cell autophagy were collected, and the redundant and old researches or Meta analysis were removed.RESULTS AND

CONCLUSION:

Mammalian target of rapamycin, Beclin-1, microtubule-associated protein 1 light chain 3, bone morphogenetic proteins, fork box protein and transcription gene family and transcription factor 4 are closely related to autophagy. The interaction between autophagy and osteocytes is correlated with steroid dose the autophagy shows protective factor under the low dose corticosteroids; however, with the increase of the dosage, a large number of apoptotic cells, and the phenomenon of bone loss can been observed. Furthermore, the relationship of cell autophagy with apoptosis and bone mass maintenance is still controversial, which needs to be explored in depth via a series of rational experiments.
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2017 Type: Article