Serum and cerebrospinal fluid neurofilament light chain in patients with central nervous system infections caused by varicella-zoster virus

被引:26
|
作者
Tyrberg, Tobias [1 ]
Nilsson, Staffan [2 ]
Blennow, Kaj [3 ,4 ]
Zetterberg, Henrik [3 ,4 ,5 ,6 ]
Grahn, Anna [1 ]
机构
[1] Univ Gothenburg, Sahlgrenska Acad, Dept Infect Dis, Inst Biomed, Gothenburg, Sweden
[2] Chalmers Univ Technol, Dept Math Stat, Gothenburg, Sweden
[3] Univ Gothenburg, Inst Neurosci & Physiol, Dept Psychiat & Neurochem, Sahlgrenska Acad, Molndal, Sweden
[4] Sahlgrens Univ Hosp, Clin Neurochem Lab, Molndal, Sweden
[5] UCL Inst Neurol, Dept Neurodegenerat Dis, Queen Sq, London, England
[6] UK Dementia Res Inst, London, England
基金
瑞典研究理事会; 欧洲研究理事会;
关键词
Varicella-zoster virus (VZV); Central nervous system (CNS); Biomarker; Encephalitis; VIRAL LOAD; PROTEIN; MARKER; ENCEPHALITIS; BIOMARKERS;
D O I
10.1007/s13365-020-00889-2
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Varicella-zoster virus (VZV) is a common cause of viral central nervous system (CNS) infection, and patients may suffer from severe neurological sequelae. The biomarker neurofilament light chain (NFL) is used for assessment of neuronal damage and is normally measured in cerebrospinal fluid (CSF). Novel methods have given the possibility to measure NFL in serum instead, which could be a convenient tool to estimate severity of disease and prognosis in VZV CNS infections. Here, we investigate the correlation of serum and CSF NFL in patients with VZV CNS infection and the association of NFL levels in serum and CSF with different VZV CNS entities. NFL in serum and CSF was measured in 61 patients who were retrospectively identified with neurological symptoms and VZV DNA in CSF detected by PCR. Thirty-three herpes zoster patients and 40 healthy blood donors served as control groups. NFL levels in serum and CSF correlated strongly in the patients with VZV CNS infection. Encephalitis was associated with significantly higher levels of NFL in both serum and CSF compared with meningitis and Ramsay Hunt syndrome. Surprisingly, herpes zoster controls had very high serum NFL levels, comparable with those shown in encephalitis patients. We show that analysis of serum NFL can be used instead of CSF NFL for estimation of neuronal injury in patients with VZV CNS infection. However, high levels of serum NFL also in patients with herpes zoster, without signs of CNS involvement, may complicate the interpretation.
引用
收藏
页码:719 / 726
页数:8
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