Correlations of cytokine levels in cerebrospinal fluid and peripheral blood with outcome of HHV-6B encephalitis after hematopoietic stem cell transplantation.
cerebrospinal fluid
cytokine
interleukin-6
post-transplant HHV-6B encephalitis
prognosis
Journal
Transplant infectious disease : an official journal of the Transplantation Society
ISSN: 1399-3062
Titre abrégé: Transpl Infect Dis
Pays: Denmark
ID NLM: 100883688
Informations de publication
Date de publication:
Dec 2019
Dec 2019
Historique:
received:
20
03
2019
revised:
07
07
2019
accepted:
23
08
2019
pubmed:
15
9
2019
medline:
1
5
2020
entrez:
15
9
2019
Statut:
ppublish
Résumé
Human herpesvirus (HHV)-6B encephalitis has been recognized as a serious complication after allogeneic hematopoietic cell transplantation (allo-HCT). Little is known about the pathogenic mechanism for its progression. We retrospectively evaluated the 16 kinds of cytokines and chemokines in cerebrospinal fluid (CSF) and plasma in patients who developed HHV-6B encephalitis. Among a total of 20 patients, 12 were categorized as the poor prognosis group (died of encephalitis; n = 8 and retained sequelae; n = 4), and other eight patients were categorized as the good prognosis group (complete recovery; n = 8). Concentrations of CSF IL-6 and IL-8 at the onset of encephalitis were significantly higher in the poor prognosis group than in the good prognosis group (median CSF IL-6, 28.27 pg/mL vs 14.32 pg/mL, P = .004; median CSF IL-8, 128.70 pg/mL vs 59.43 pg/mL, P = .043). Regarding plasma, the concentration of each cytokine at the onset of encephalitis was not significantly different between the two groups, except IL-5. However, higher levels of IL-6, IL-7, and MCP-1 and lower levels of IL-12 were observed 1 week before the development of encephalitis in patients with poor prognosis (median IL-6; 464.17 pg/mL vs 47.82 pg/mL, P = .02; median IL-12; 1.63 pg/mL vs 6.57 pg/mL, P = .03). We found that one week before onset of HHV-6B encephalitis, poor prognosis patients had high plasma concentrations of IL-6, IL-7, and MCP-1 and low concentrations of IL-12. At the onset of encephalitis, high concentrations of IL-6 and IL-8 in CSF were more common in the poor prognosis group, consistent with other evidence that IL-6 can have a role in CNS disturbances. Our findings show that specific cytokine status is associated with severe brain damage in patients with HHV-6B encephalitis, demonstrate prognostic value of plasma IL-6 concentrations, and suggest evaluation of anti-cytokine therapeutics in patients with HHV-6B encephalitis.
Sections du résumé
BACKGROUND
BACKGROUND
Human herpesvirus (HHV)-6B encephalitis has been recognized as a serious complication after allogeneic hematopoietic cell transplantation (allo-HCT). Little is known about the pathogenic mechanism for its progression.
STUDY DESIGN
METHODS
We retrospectively evaluated the 16 kinds of cytokines and chemokines in cerebrospinal fluid (CSF) and plasma in patients who developed HHV-6B encephalitis. Among a total of 20 patients, 12 were categorized as the poor prognosis group (died of encephalitis; n = 8 and retained sequelae; n = 4), and other eight patients were categorized as the good prognosis group (complete recovery; n = 8).
RESULTS
RESULTS
Concentrations of CSF IL-6 and IL-8 at the onset of encephalitis were significantly higher in the poor prognosis group than in the good prognosis group (median CSF IL-6, 28.27 pg/mL vs 14.32 pg/mL, P = .004; median CSF IL-8, 128.70 pg/mL vs 59.43 pg/mL, P = .043). Regarding plasma, the concentration of each cytokine at the onset of encephalitis was not significantly different between the two groups, except IL-5. However, higher levels of IL-6, IL-7, and MCP-1 and lower levels of IL-12 were observed 1 week before the development of encephalitis in patients with poor prognosis (median IL-6; 464.17 pg/mL vs 47.82 pg/mL, P = .02; median IL-12; 1.63 pg/mL vs 6.57 pg/mL, P = .03).
CONCLUSION
CONCLUSIONS
We found that one week before onset of HHV-6B encephalitis, poor prognosis patients had high plasma concentrations of IL-6, IL-7, and MCP-1 and low concentrations of IL-12. At the onset of encephalitis, high concentrations of IL-6 and IL-8 in CSF were more common in the poor prognosis group, consistent with other evidence that IL-6 can have a role in CNS disturbances. Our findings show that specific cytokine status is associated with severe brain damage in patients with HHV-6B encephalitis, demonstrate prognostic value of plasma IL-6 concentrations, and suggest evaluation of anti-cytokine therapeutics in patients with HHV-6B encephalitis.
Substances chimiques
Cytokines
0
Types de publication
Journal Article
Observational Study
Langues
eng
Sous-ensembles de citation
IM
Pagination
e13172Subventions
Organisme : Japan Society for the Promotion of Science
ID : JP17K09090
Organisme : Japan Agency for Medical Research and Development
ID : 17ck0106256h0001
Informations de copyright
© 2019 Wiley Periodicals, Inc.
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