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The innovation value chain

互补性(分子生物学) 价值(数学) 价值链 业务 生产力 产业组织 知识价值链 过程(计算) 知识管理 营销 供应链 产品创新 经济 组织学习 计算机科学 遗传学 宏观经济学 机器学习 生物 操作系统
作者
Stephen Roper,Jun Du,James H. Love
出处
期刊:Molecular Medicine Reports [Spandidos Publishing]
卷期号:19 (1): 41-50 被引量:739
标识
DOI:10.3892/mmr.2018.9622
摘要

Wear particles generated between the interface of joints and artificial joint replacements are one of the primary causes of aseptic loosening. The aim of the present study was to investigate the influence of titanium (Ti) particles on the apoptosis and autophagy of osteoblasts, and probe into the potential use of hyperoside (Hy) as a protector for osteoblasts in Ti particle‑induced injury. MC3T3‑E1 cells were divided into control, Ti, Hy‑1+Ti and Hy‑2+Ti groups. Cell viability was detected using a Cell Counting Kit‑8 assay. Apoptosis and autophagy rates were determined using flow cytometry. Expression levels of apoptosis‑associated genes, including caspase‑3, apoptosis regulator BAX, apoptosis regulator Bcl‑2 and cellular tumor antigen p53, in addition to autophagy‑associated genes, including Beclin1 and microtubule‑associated protein light chain 3 conversion LC3‑II/I, were measured using reverse transcription‑quantitative polymerase chain reaction and western blotting. Activation of the tumor necrosis factor ligand superfamily member 12 (TWEAK)‑mitogen activated protein kinase 11 (p38) mitogen activated protein kinase (MAPK) pathway was observed by western blotting. The present study demonstrated that pretreatment with Hy was able to increase cell viability and proliferation, and decrease apoptosis and autophagy to protect MC3T3‑E1 cells against Ti particle‑induced damage. Activation of the TWEAK‑p38 pathway contributed to the repair processes of treatment with Hy. The present results suggested that Hy protected osteoblasts against Ti particle‑induced damage by regulating the TWEAK‑p38 pathway, which suggested the potential of Hy as a protective agent for bones.
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