Journal of neonatal-perinatal medicine · 2018
Severity of hypoxic ischemic encephalopathy correlates with increased expression of angiogenin in neonates.
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El Shimi M Sami, Abdou R M, Fathey M, Mostafa S
Аннотация
BACKGROUND: Angiogenin is a small protein encoded by the ANG gene. It is activated by tissue hypoxia, and is known to be a potent stimulator of angiogenesis. The role of angiogenic factors in the pathogenesis of HIE is poorly understood, yet, angiogenin may be part of the molecular mechanisms underlying HIE.
OBJECTIVE: Our objective was to explore the predictive value of angiogenin as a biochemical marker in early hypoxic ischemic encephalopathy staging.
STUDY DESIGN: We prospectively studied 36 full term HIE neonates and 20 non- asphyxia neonates. Cord blood samples from all subjects immediately at delivery were withdrawn. Neurological examination and grading of HIE were performed during the first day of life.
RESULTS: Concentrations of cord blood angiogenin were increased in infants with asphyxia when compared txht o controls (P = 0). Within the asphyxia group, the median cord blood angiogenin was significantly higher in stage III encephalopathy patient compared to stage I and stage II (p = 0). There was a negative correlation between pH, HCo3 level and angiogenin in stage II and stage III.
CONCLUSION: Angiogenin helps in assessing the severity of HIE in neonates and is promising marker predicting the stage of hypoxia-ischemia so treatment may be initiated earlier.
OBJECTIVE: Our objective was to explore the predictive value of angiogenin as a biochemical marker in early hypoxic ischemic encephalopathy staging.
STUDY DESIGN: We prospectively studied 36 full term HIE neonates and 20 non- asphyxia neonates. Cord blood samples from all subjects immediately at delivery were withdrawn. Neurological examination and grading of HIE were performed during the first day of life.
RESULTS: Concentrations of cord blood angiogenin were increased in infants with asphyxia when compared txht o controls (P = 0). Within the asphyxia group, the median cord blood angiogenin was significantly higher in stage III encephalopathy patient compared to stage I and stage II (p = 0). There was a negative correlation between pH, HCo3 level and angiogenin in stage II and stage III.
CONCLUSION: Angiogenin helps in assessing the severity of HIE in neonates and is promising marker predicting the stage of hypoxia-ischemia so treatment may be initiated earlier.