Identification of a novel biomarker candidate, a 4.8-kDa peptide fragment from a neurosecretory protein VGF precursor, by proteomic analysis of cerebrospinal fluid from children with acute encephalopathy using SELDI-TOF-MS
2011

Identifying a New Biomarker for Encephalopathy in Children

Sample size: 55 publication Evidence: moderate

Author Information

Author(s): Asano Takeshi, Koizumi Shinya, Takagi Atsushi, Hatori Takayuki, Kuwabara Kentaroh, Fujino Osamu, Fukunaga Yoshitaka

Primary Institution: Nippon Medical School, Chiba Hokusoh Hospital

Hypothesis

Can a novel protein marker be identified in the cerebrospinal fluid of children with acute encephalopathy?

Conclusion

The study identified a 4.8-kDa peptide from the neurosecretory protein VGF as a potential biomarker for encephalopathy.

Supporting Evidence

  • The 4.8-kDa peptide was significantly reduced in patients with encephalopathy compared to those with febrile seizures.
  • SELDI-TOF MS technology was used to analyze cerebrospinal fluid samples.
  • Expression of VGF4.8 is decreased in other degenerative brain conditions.

Takeaway

Researchers found a tiny protein that could help doctors tell if kids have a serious brain problem called encephalopathy.

Methodology

Cerebrospinal fluid samples were analyzed using SELDI-TOF mass spectrometry to identify protein markers.

Potential Biases

Potential bias in diagnosis as it relied on clinical findings and routine examinations.

Limitations

The study had a small sample size and focused only on specific types of encephalopathy.

Participant Demographics

Children with acute encephalopathy and febrile seizures, with no significant differences in age or other clinical parameters.

Statistical Information

P-Value

0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2377-11-101

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