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Cell Biochemistry and Biophysics

, Volume 66, Issue 2, pp 389–396 | Cite as

Dynamic Changes of Cerebral-Specific Proteins in Full-Term Newborns with Hypoxic–Ischemic Encephalopathy

  • Fang LiuEmail author
  • Suyan Yang
  • Zhifang Du
  • Zhimei Guo
Translational Biomedical Research

Abstract

The aim of this study was to observe the dynamic changes of serum brain-derived neurotrophic factor (BDNF), S-100B, and Tau proteins levels in full-term newborns with hypoxic–ischemic encephalopathy (HIE) and to discuss their significance in brain damage. Serum samples of 28 full-term newborns diagnosed with HIE and 20 controls were obtained in the first 24 h of life. Another serum samples were also taken, respectively, at 3 and 7 days of life in HIE group. The concentrations of BDNF, S-100B, and Tau proteins were measured by the enzyme-linked immunosorbent assay method. Mean concentrations of BDNF, S-100B, and Tau proteins among different time period and in different grades of HIE group were calculated and compared. Compared with the control group, serum BDNF and proteins S-100B levels in HIE group were significantly elevated in 24 h after birth (P < 0.05) and their concentrations were also significantly higher among patients with mod-severe HIE compared to those with mild HIE at 24 h and 7 days after asphyxia (P < 0.05). Regardless of whether mod-severe HIE or mild HIE, there were no significant difference of serum BDNF and proteins S-100B among the three different time periods. There was no difference in Tau protein levels between HIE group and control group, also no difference between mod-severe HIE group and mild HIE group. BDNF and proteins S-100B are up-regulated early in asphyxia neonates with HIE; and the released amount of BDNF and proteins S-100B from nerve center system correlate with the extent of encephalopathy.

Keywords

Perinatal asphyxia Hypoxic–ischemic encephalopathy Brain-derived neurotrophic factor S-100B protein Tau protein 

Notes

Acknowledgments

We thank XU Zheng, Vice Director, Laboratorial Center for Clinical Research, Bethune International Peace Hospital, for his assistance. We are indebted to have used the funds from Hebei Province Population and Family Planning Commission of Science and Technology Research Program (2010-A24).

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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  1. 1.Department of Pediatrics, NICUBethune International Peace HospitalShijiazhuang HebeiChina

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