Serum and cerebrospinal fluid S100B concentrations in patients with neurocysticercosis

The clinical manifestations of neurocysticercosis (NC) are varied and depend on the number and location of cysts, as well as on the host immune response. Symptoms usually occur in NC when cysticerci enter a degenerative course associated with an inflammatory response. The expression of brain damage...

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Main Authors: J.E. Lima, R. Walz, A. Tort, D. Souza, L. Portela, M.M. Bianchin, O.M. Takayanagui, J.P. Leite
Format: Article
Language:English
Published: Associação Brasileira de Divulgação Científica 2006-01-01
Series:Brazilian Journal of Medical and Biological Research
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006000100015
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author J.E. Lima
R. Walz
A. Tort
D. Souza
L. Portela
M.M. Bianchin
O.M. Takayanagui
J.P. Leite
author_facet J.E. Lima
R. Walz
A. Tort
D. Souza
L. Portela
M.M. Bianchin
O.M. Takayanagui
J.P. Leite
author_sort J.E. Lima
collection DOAJ
description The clinical manifestations of neurocysticercosis (NC) are varied and depend on the number and location of cysts, as well as on the host immune response. Symptoms usually occur in NC when cysticerci enter a degenerative course associated with an inflammatory response. The expression of brain damage markers may be expected to increase during this phase. S100B is a calcium-binding protein produced and released predominantly by astrocytes that has been used as a marker of reactive gliosis and astrocytic death in many pathological conditions. The aim of the present study was to investigate the levels of S100B in patients in different phases of NC evolution. Cerebrospinal fluid and serum S100B concentrations were measured in 25 patients with NC: 14 patients with degenerative cysts (D), 8 patients with viable cysts (V) and 3 patients with inactive cysts. All NC patients, except 1, had five or less cysts. In most of them, symptoms had been present for at least 1 month before sample collection. Samples from 8 normal controls (C) were also assayed. The albumin quotient was used to estimate the blood-brain barrier permeability. There were no significant differences in serum (P = 0.5) or cerebrospinal fluid (P = 0.91) S100B levels among the V, D, and C groups. These findings suggest that parenchymal changes associated with a relatively small number of degenerating cysts probably have a negligible impact on glial tissue.
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spelling doaj.art-5034ae3f575a4bc6b0ce7b5f4d01c2742022-12-21T23:23:43ZengAssociação Brasileira de Divulgação CientíficaBrazilian Journal of Medical and Biological Research0100-879X1414-431X2006-01-0139112913510.1590/S0100-879X2006000100015Serum and cerebrospinal fluid S100B concentrations in patients with neurocysticercosisJ.E. LimaR. WalzA. TortD. SouzaL. PortelaM.M. BianchinO.M. TakayanaguiJ.P. LeiteThe clinical manifestations of neurocysticercosis (NC) are varied and depend on the number and location of cysts, as well as on the host immune response. Symptoms usually occur in NC when cysticerci enter a degenerative course associated with an inflammatory response. The expression of brain damage markers may be expected to increase during this phase. S100B is a calcium-binding protein produced and released predominantly by astrocytes that has been used as a marker of reactive gliosis and astrocytic death in many pathological conditions. The aim of the present study was to investigate the levels of S100B in patients in different phases of NC evolution. Cerebrospinal fluid and serum S100B concentrations were measured in 25 patients with NC: 14 patients with degenerative cysts (D), 8 patients with viable cysts (V) and 3 patients with inactive cysts. All NC patients, except 1, had five or less cysts. In most of them, symptoms had been present for at least 1 month before sample collection. Samples from 8 normal controls (C) were also assayed. The albumin quotient was used to estimate the blood-brain barrier permeability. There were no significant differences in serum (P = 0.5) or cerebrospinal fluid (P = 0.91) S100B levels among the V, D, and C groups. These findings suggest that parenchymal changes associated with a relatively small number of degenerating cysts probably have a negligible impact on glial tissue.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006000100015NeurocysticercosisS100BCerebrospinal fluidumin quotientGlial marker
spellingShingle J.E. Lima
R. Walz
A. Tort
D. Souza
L. Portela
M.M. Bianchin
O.M. Takayanagui
J.P. Leite
Serum and cerebrospinal fluid S100B concentrations in patients with neurocysticercosis
Brazilian Journal of Medical and Biological Research
Neurocysticercosis
S100B
Cerebrospinal fluid
umin quotient
Glial marker
title Serum and cerebrospinal fluid S100B concentrations in patients with neurocysticercosis
title_full Serum and cerebrospinal fluid S100B concentrations in patients with neurocysticercosis
title_fullStr Serum and cerebrospinal fluid S100B concentrations in patients with neurocysticercosis
title_full_unstemmed Serum and cerebrospinal fluid S100B concentrations in patients with neurocysticercosis
title_short Serum and cerebrospinal fluid S100B concentrations in patients with neurocysticercosis
title_sort serum and cerebrospinal fluid s100b concentrations in patients with neurocysticercosis
topic Neurocysticercosis
S100B
Cerebrospinal fluid
umin quotient
Glial marker
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006000100015
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