Enoxaparin Reduces Lung Injury from High Tidal Volume and Hyperoxia
Author Information
Author(s): Li Li-Fu, Yang Cheng-Ta, Huang Chung-Chi, Liu Yung-Yang, Kao Kuo-Chin, Lin Horng-Chyuan
Primary Institution: Chang Gung Memorial Hospital, Kweishan, Taoyuan, Taiwan
Hypothesis
Subcutaneous injections of enoxaparin would decrease the effects of hyperoxia on high-tidal-volume ventilation-induced HMGB1 production and neutrophil infiltration via the Akt pathway.
Conclusion
Enoxaparin attenuates hyperoxia-augmented high-tidal-volume ventilation-induced neutrophil influx and HMGB1 production through inhibition of the Akt pathway.
Supporting Evidence
- High-tidal-volume ventilation with hyperoxia increased lung injury markers.
- Enoxaparin reduced neutrophil infiltration and HMGB1 production.
- Akt activation was significantly reduced with enoxaparin treatment.
- Pharmacological inhibition with enoxaparin showed protective effects in lung injury.
- Control groups showed no significant differences in physiological data.
Takeaway
This study found that a medicine called enoxaparin can help protect the lungs from damage caused by too much air and pressure during breathing treatments.
Methodology
Male C57BL/6 mice were ventilated with high tidal volume and exposed to hyperoxia, with some receiving enoxaparin before ventilation.
Limitations
The study did not compare the effects between different sexes of mice.
Participant Demographics
Male C57BL/6 mice, aged 6 to 8 weeks, weighing 20 to 25 g.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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