Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0017160 (gastroenteritis)
 11,398 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Many reports in the field of childhood brain disorders have documented that brain-derived neurotrophic factor (BDNF) affects central nervous system (CNS) functions. In this clinical study, BDNF levels were evaluated in association with pediatric CNS infections. BDNF levels in the serum and cerebrospinal fluid (CSF) of 42 patients admitted during 5-year period, due to CNS infections, were measured by enzyme-linked immunosorbent assays (ELISAs). Control samples were collected from 108 patients with non-CNS infections (urinary tract infection, acute upper respiratory infection, acute gastroenteritis, etc.). Mean values of BDNF levels, at various ages, were determined and compared. BDNF levels were below the sensitivity of the ELISA in most CSF samples from the control group, but were significantly elevated in the patients with bacterial meningitis. The serum BDNF levels were elevated in all subgroups of patients with CNS infections, and the elevation was particularly notable in those with bacterial meningitis. BDNF expression in the CSF was correlated with CSF interleukin (IL)-6 levels as well as with blood platelet counts and neurological prognoses in those with bacterial meningitis. No correlation was found between BDNF levels and serum leukocyte numbers or C-reactive protein (CRP) levels. BDNF levels were found to be elevated in the serum and CSF of pediatric patients with CNS infections, particularly those with bacterial meningitis. Monitoring the changes in serum and CSF levels of BDNF may facilitate the diagnosis of acute meningitis and acute encephalopathy and allow the differential diagnosis of specific CNS infections.
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PMID:Expressions of brain-derived neurotrophic factor (BDNF) in cerebrospinal fluid and plasma of children with meningitis and encephalitis/encephalopathy. 2290 May 12