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Microrna-21 regulates proliferation and differentiation of osteoclasts in periodontitis / 中国组织工程研究
Chinese Journal of Tissue Engineering Research ; (53): 1225-1230, 2020.
Article in Chinese | WPRIM | ID: wpr-847970
ABSTRACT

BACKGROUND:

MicroRNA-21 (miR-21) is a regulator of osteoclastogenesis and a promoter of osteoclast differentiation, but its role in periodontitis remains unclear.

OBJECTIVE:

To investigate whether miR-21 is involved in bone destruction in periodontitis.

METHODS:

Real-time PCR was used to detect and analyze the differential expression of miR-21 in periodontitis samples. Using liposome transfection method, miR-21 mimics (up-regulating miR-21) or miR-21 inhibitor (down-regulating miR-21) was used to transfect osteoclasts. Expressions of miR-21 and bone destruction markers TRAP and CTSK were detected by real-time PCR. Cell counting kit-8 was used to detect the miR-21 effect on osteoclast proliferation. RESULTS AND

CONCLUSION:

(1) MiR-21 expression increased in periodontitis samples. (2) When miR-21 mimics was transfected into osteoclasts, miR-21, TRAP and CTSK mRNA expression increased; when miR-21 inhibitor was transfected into osteoclasts, miR-21, TRAP and CTSK mRNA expression decreased. (3) Transfection with miR-21 mimics promoted the proliferation of osteoclasts, while transfection with miR-21 inhibitor inhibited the proliferation of osteoclasts. To conclude, miR-21 can be used as an important target for the treatment of periodontitis.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2020 Type: Article