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CSF beta-endorphin levels in pediatric neurologic disorders
1Department of Pediatrics and Child Health, Kurume University School of Medicine, Japan.
Insights
Cerebrospinal fluid beta-endorphin levels were measured in pediatric neurological disorders. Rett syndrome and aseptic meningitis showed higher levels, while infantile spasms showed lower levels compared to controls.
Area of Science:
- Neuroscience
- Pediatric Neurology
- Biochemistry
Background:
- Opioid peptides, such as beta-endorphin, modulate higher cortical functions.
- Pediatric brain impairment encompasses various neurological disorders affecting children.
- Cerebrospinal fluid (CSF) is a key medium for assessing neurochemical changes.
Purpose of the Study:
- To investigate the role of beta-endorphin levels in pediatric brain impairment.
- To compare CSF beta-endorphin concentrations across different neurological conditions and controls.
Main Methods:
- Measurement of beta-endorphin levels in cerebrospinal fluid (CSF).
- Inclusion of patient cohorts: infantile autism, Rett syndrome, infantile spasms, aseptic meningitis, and age-matched controls.
- Statistical analysis to compare beta-endorphin levels between groups and correlate with age, temperature, and sex.
Main Results:
- CSF beta-endorphin levels negatively correlated with age in controls.
- No significant differences in beta-endorphin levels were found based on sex or body temperature.
- Significantly higher CSF beta-endorphin levels were observed in Rett syndrome and aseptic meningitis.
- Significantly lower CSF beta-endorphin levels were observed in infantile spasms.
- CSF beta-endorphin levels in infantile autism were not significantly different from controls.
Conclusions:
- Altered CSF beta-endorphin levels may be implicated in the pathophysiology of Rett syndrome, infantile spasms, and aseptic meningitis.
- These findings suggest a potential role for beta-endorphin in central nervous system (CNS) infections and neurological disorders.
- Further research is warranted to elucidate the precise mechanisms linking beta-endorphin to these pediatric conditions.
Abstract:
To investigate pediatric brain impairment, beta-endorphin levels, one of the opioid peptides that modulate human high cortical functions, were measured in cerebrospinal fluid (CSF). The study included 19 patients with infantile autism, 3 patients with Rett syndrome, 6 patients with infantile spasms, 16 patients with aseptic meningitis, and 23 age-matched controls. In the control group, the CSF beta-endorphin concentrations were negatively correlated with increasing age. There was no correlation between body temperature and the levels, and no significant difference in the levels according to sex. In infantile autism, the CSF level was not significantly different from that in controls. In Rett syndrome, it was significantly higher, while in infantile spasms it was lower than in controls. In aseptic meningitis, the CSF beta-endorphin level was significantly higher than in controls. The alterations in CSF beta-endorphin levels may play a role in these neurologic disorders and/or in central nervous system (CNS) infections.