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FOR AUTHORS Bratislava Medical Journal 2020 Bratislava Medical Journal Vol.121, No.8, p.584–588,2020
FOR AUTHORS Bratislava Medical Journal 2020 Bratislava Medical Journal Vol.121, No.8, p.584–588,2020
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Bratislava Medical Journal Vol.121, No.8, p.584–588,2020 |
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| Title: AT1/2R affects the proliferation and apoptosis of chondrocytes induced by oxygen-glucose deprivation | ||
| Author: H. Q. Cai, M. Y. Miao, W. L. Zhang | ||
| Abstract: AIM: Investigate how AT1/2R affected the proliferation and apoptosis of chondrocytes induced by oxygen-glucose deprivation. METHODS: The proliferation and apoptosis of ATDC5 cells was detected by CCK-8 assay and flow cytometry analysis. The expression of Bax, Bcl-2, caspase-3, cleaved-caspase-3, AT1R, AT2R and HIF-1 was determined by Western blot analysis. The collagen II expression was detected by ELISA assay. RESULTS: Increased ratio of AT1R to AT2R induced by Ang II suppressed the proliferation of oxygen-glucose deprivation ATDC5 cells. Telmisartan, as AT1R inhibitor, promoted the proliferation and inhibited the apoptosis of ATDC5 cells and oxygen-glucose deprivation ATDC5 cells. The collagen II expression either intracellular or cellular supernatant was decreased after Ang II treatment, which was reversed by telmisartan. And, telmisartan reduced the AT1R expression while increased the AT2R expression in ATDC5 cells and oxygen-glucose deprivation ATDC5 cells. CONCLUSIONS: Ang II caused an increased ratio of AT1R to AT2R, which suppressed the proliferation of oxygen-glucose deprivation ATDC5 cells. Furthermore, telmisartan caused a decrease of AT1R and increase of AT2R, which promoted the proliferation and inhibited the apoptosis of oxygen-glucose deprivation ATDC5 cells. This new finding could provide a new insight into the treatment of osteoarthritis (Fig. 4, Ref. 19). |
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| Keywords: angiotensin II type 1/2 receptor, chondrocytes, proliferation, apoptosis, oxygen-glucose deprivation | ||
| Published online: 28-Jul-2020 | ||
| Year: 2020, Volume: 121, Issue: 8 | Page From: 584, Page To: 588 | |
| doi:10.4149/BLL_2020_097 |
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