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The course of bacterial titers, meningeal inflammation, behavioral abnormalities, and neuronal damage was studied in a mouse model of Streptococcus pneumoniae meningitis. At 24 h after injection of 10(4) colony-forming units (CFU) S. pneumoniae into the right forebrain, infected mice became severely lethargic. Bacterial titers in cerebrospinal fluid and(More)
beta-D-Mannosidase was partially purified (108-fold) from human placenta by ammonium sulfate precipitation, Concanavalin A-Sepharose affinity chromatography, gel filtration and hydroxylapatite chromatography. Further attempts to purify the enzyme by several conventional methods failed due to loss of activity. The stability of beta-mannosidase, the effect of(More)
Survivors of bacterial meningitis frequently suffer from long-term sequelae, particularly from learning and memory deficits. For this reason, spatial memory and learning was studied in a mouse model of ceftriaxone-treated Streptococcus pneumoniae meningitis. Persistent deficits of spatial learning despite normal motor function were observed in mice infected(More)
Necrotic and apoptotic neuronal cell death can be found in pneumococcal meningitis. We investigated the role of Bcl-2 as an antiapoptotic gene product in pneumococcal meningitis using Bcl-2 knockout (Bcl-2(-/-)) mice. By using a model of pneumococcal meningitis induced by intracerebral infection, Bcl-2-deficient mice and control littermates were assessed by(More)
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