Osteoblasts regulate bone formation and remodeling, and are
the main target cells of oxidative stress in the progression of osteonecrosis.
The level of reactive oxygen species (ROS), including
superoxide, hydroxyl radical, singlet oxygen and hydrogen peroxide
(H2O2), is increased in osteonecrosis tissues, causing damages
to osteoblasts and other bone cells, which serves as an important
pathological mechanism of osteonecrosis . Recently, different
groups have been adding H2O2 to cultured osteoblasts to create
cellular models of osteonecrosis .
Osteoblasts regulate bone formation and remodeling, and are
the main target cells of oxidative stress in the progression of osteonecrosis.
The level of reactive oxygen species (ROS), including
superoxide, hydroxyl radical, singlet oxygen and hydrogen peroxide
(H2O2), is increased in osteonecrosis tissues, causing damages
to osteoblasts and other bone cells, which serves as an important
pathological mechanism of osteonecrosis . Recently, different
groups have been adding H2O2 to cultured osteoblasts to create
cellular models of osteonecrosis .
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