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Beta-nerve growth factor levels in newborn cord sera
1Service de Néonatologie, Hôpital Universitaire de Hautepierre, Strasbourg, France.
Pediatric Research
|June 1, 1994
Summary
Beta-nerve growth factor (NGF) is significantly lower in newborns than adults, with preterm infants showing the lowest levels. These findings suggest developmental changes in NGF and potential use in assessing conditions like cerebral malformations.
Area of Science:
- Neuroscience
- Developmental Biology
- Biochemistry
Background:
- Beta-nerve growth factor (NGF) plays a crucial role in neuronal development and survival.
- Understanding NGF levels in early life is important for assessing neurodevelopmental trajectories.
Purpose of the Study:
- To quantify beta-NGF levels in human cord blood across different gestational ages and developmental stages.
- To investigate potential developmental changes in beta-NGF.
- To explore the utility of beta-NGF in pathological conditions.
Main Methods:
- A two-site enzyme immunoassay using a monoclonal antibody to mouse beta-NGF was employed.
- Blood samples were collected from newborns (term, preterm, small for gestational age), microcephalic children, control children, and healthy adults.
Main Results:
- Beta-NGF levels were significantly lower in preterm infants compared to term infants.
- No correlation was found between beta-NGF levels and birth weight, length, or head circumference.
- Microcephalic children exhibited low NGF levels, while adult levels were substantially higher than in newborns.
Conclusions:
- Beta-NGF can be reliably measured in newborn sera using the described immunoassay.
- Beta-NGF levels demonstrate significant developmental changes from infancy to adulthood.
- Assessing beta-NGF may offer insights into NGF utilization in normal development and conditions like cerebral malformations.