Related Experiment Video
Updated: Mar 13, 2026
Modeling Encephalopathy of Prematurity Using Prenatal Hypoxia-ischemia with Intra-amniotic Lipopolysaccharide in Rats
Published on: November 20, 2015
[Relationship between serum erythropoietin levels and brain injury in preterm infants]
Guang-Fu Chen1, Hui-Tao Li, Jin-Jie Huang
1Department of Pediatrics, Shenzhen Second People's Hospital/First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong 518035, China. szchengf@163.com.
Insights
Lower serum erythropoietin (EPO) levels are linked to a higher incidence of brain injury in preterm infants. These findings suggest EPO may play a role in protecting against brain damage in premature babies.
Area of Science:
- Neonatal Medicine
- Pediatric Neurology
- Biochemistry
Background:
- Preterm infants are at high risk for brain injury.
- Erythropoietin (EPO) is a hormone with potential neuroprotective effects.
- Understanding factors influencing brain injury in preterm infants is crucial for improving outcomes.
Purpose of the Study:
- To investigate the association between serum erythropoietin (EPO) levels and the occurrence of brain injury in preterm infants.
- To identify potential biomarkers for brain injury in this vulnerable population.
Main Methods:
- A cohort of 304 preterm infants (gestational age 28-34 weeks) was studied.
- Brain injury was assessed using cerebral ultrasound and MRI.
- Serum levels of EPO, S100 protein, neuron-specific enolase (NSE), and myelin basic protein (MBP) were measured via ELISA.
Main Results:
- The overall incidence of brain injury was 41.1%.
- Infants with low serum EPO levels exhibited a significantly higher rate of brain injury (P<0.01).
- Elevated S100 protein, NSE, and MBP levels were observed in infants with brain injury, and serum EPO levels negatively correlated with S100 protein and NSE (P<0.05).
- Low gestational age, low birth weight, asphyxia, prolonged mechanical ventilation, anemia, and low serum EPO were identified as risk factors for brain injury.
Conclusions:
- Lower serum EPO levels are associated with an increased incidence of brain injury in preterm infants.
- Serum EPO levels may serve as a potential indicator or protective factor against brain injury in preterm neonates.
Objective:
To study the relationship between the levels of erythropoietin (EPO) in serum and brain injury in preterm infants.
Methods:
Three hundred and four preterm infants (gestational age: 28-34 weeks) born between October 2014 and September 2015 were enrolled in this study. Brain injury was diagnosed using cerebral ultrasound and MRI. The levels of EPO, S100 protein, neuron-specific enolase (NSE) and myelin basic protein (MBP) in serum were detected using ELISA. To compare the incidence of brain injury in different serum EPO levels in preterm infants, and the relationship between brain injury and serum EPO levels was analyzed.
Results:
The incidence rate of brain injury in preterm infants was 41.1% (125/304). The incidence rate of brain injury in the low EPO level group was significantly higher than that in the middle-high EPO level groups (P<0.01). The serum levels of S100 protein, NSE, and MBP in the brain injury groups were significantly higher than in the control group (P<0.01). The serum EPO levels were negatively correlated with serum S100 protein concentration and NSE levels (P<0.05). According to the multiple logistic regression analysis, low gestational age, low birth weight, asphyxia, prolonged mechanical ventilation, anemia and low serum EPO levels were the risk factor for brain injury in preterm infants.
Conclusions:
There is a higher incidence rate of brain injury in preterm infants with lower serum EPO levels. The serum EPO levels may be correlated with brain injury in preterm infants.
