XiaoWei Dong,
RuShan Yan,
QiJun Yao,
Yu Lei
Haidong Liang 
For correspondence:-
Accepted: 24 July 2024 Published: 31 August 2024
Citation: Dong X, Yan R, Yao Q, Lei Y.Liang H. Effect of Lonicerae japonicae caulis extract on the growth and apoptosis of human osteosarcoma U2OS cells. Trop J Pharm Res 2024; 23(8):1255-1260 doi: 10.4314/tjpr.v23i8.4
© 2024 The authors.
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Purpose: To determine the effect of Lonicerae japonicae Caulis extract (LJCE) on the proliferation, apoptosis, and cycle distribution of human osteosarcoma U2OS cells.
Methods: Human osteosarcoma U2OS cells were treated with LJCE at doses of 10, 20, 30 and 40 mg/mL, with untreated U2OS cells as the control group. Cell proliferation was measured using MTT method, while flow cytometric analysis was used for determination of apoptosis and cell cycle distribution.
Results: As LJCE concentration increased, the viability of U2OS cells gradually decreased, while the apoptosis rate gradually increased. The LJCE treatment had no marked effect on G1 phase cells (p > 0.05). However, the population of G2 cells in each group increased with increasing LJCE concentration, while the S phase cells in each group decreased with increasing concentration. The cells were significantly blocked in the G2 phase (p < 0.05).
Conclusion: Lonicerae japonicae Caulis extract inhibits the proliferation of U2OS cells and promotes apoptosis of U2OS cells. Therefore, LJCE possesses potentials as a novel therapeutic agent for osteosarcoma.
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