Treatment with hydrogen molecules prevents RANKL-induced osteoclast differentiation associated with inhibition of ROS formation and inactivation of MAPK, AKT and NF-kappa B pathways in murine RAW264.7 cells.
Dong-Zhu Li, Qing-Xiang Zhang, Xiao-Xian Dong, Huai-Dong Li, Xin Ma · Journal of bone and mineral metabolism · 2014
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Independent study record
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H2HUBB TAKEAWAY
In The researchers found that treatment with H₂ prevented RANKL-induced osteoclast differentiation in RAW264.7 cells and BMMs, treatment with H₂ decreased intracellular reactive oxygen species (ROS) formation, suppressed NADPH oxidase activity, down-regulated Rac1 activity and Nox1 expression, reduced mitochondrial ROS formation, and enhanced nuclear factor E2-related factor 2 nuclear translocation and heme oxygenase-1 activity. The authors concluded that, hydrogen molecules prevented RANKL-induced osteoclast differentiation associated with inhibition of reactive oxygen species formation and inactivation of NF-κB, mitogen-activated protein kinase and AKT pathways. These findings from a laboratory model add evidence supporting molecular hydrogen's biological and therapeutic potential in the model studied.
What the Findings Mean
H2HUBB reviewed how molecular hydrogen affected the outcomes measured in The researchers found that treatment with H₂ prevented RANKL-induced osteoclast differentiation in RAW264.7 cells and BMMs. Treatment with H₂ decreased intracellular reactive oxygen species (ROS) formation, suppressed NADPH oxidase activity, down-regulated Rac1 activity and Nox1 expression, reduced mitochondrial ROS formation, and enhanced nuclear factor E2-related factor 2 nuclear translocation and heme oxygenase-1 activity.
What the Researchers Studied
The researchers studied The researchers found that treatment with H₂ prevented RANKL-induced osteoclast differentiation in RAW264.7 cells and BMMs. The study used a in vitro cell-culture laboratory experiment.
What Effects Did Molecular Hydrogen Have?
The bone protective effects of the hydrogen molecule (H₂) have been demonstrated in several osteoporosis models while the underlying molecular mechanism has remained unclear. In this work, the researchers evaluated the effects of incubation with H₂ on receptor activator of NFκB ligand (RANKL)-induced osteoclast differentiation. The researchers found that treatment with H₂ prevented RANKL-induced osteoclast differentiation in RAW264.7 cells and BMMs. Treatment with H₂ decreased intracellular reactive oxygen species (ROS) formation, suppressed NADPH oxidase activity, down-regulated Rac1 activity and Nox1 expression, reduced mitochondrial ROS formation, and enhanced nuclear factor E2-related factor 2 nuclear translocation and heme oxygenase-1 activity. The authors concluded that, hydrogen molecules prevented RANKL-induced osteoclast differentiation associated with inhibition of reactive oxygen species formation and inactivation of NF-κB, mitogen-activated protein kinase and AKT pathways., hydrogen molecules prevented RANKL-induced osteoclast differentiation associated with inhibition of reactive oxygen species formation and inactivation of NF-κB, mitogen-activated protein kinase and AKT pathways.
Why These Findings Matter
These findings from a laboratory model add evidence supporting molecular hydrogen's biological and therapeutic potential in the model studied.
How Strong Is This Evidence?
This is laboratory evidence from a in vitro cell-culture laboratory experiment. It is most informative for the biological mechanisms, cellular responses, or biochemical outcomes directly measured.
Technical Study Details
H2HUBB classifies this publication as laboratory study with laboratory or cellular evidence. The research population or model was The researchers found that treatment with H₂ prevented RANKL-induced osteoclast differentiation in RAW264.7 cells and BMMs. The study used a in vitro cell-culture laboratory experiment.
Limitations and Safety
No separate limitations or safety findings were identified in the source text available to H2HUBB.
Original Study and H2HUBB Research Context
H2HUBB presents this source-grounded research record as one contribution to the broader molecular-hydrogen evidence base.