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Crit Care Med. 2008 May;36(5):1603-6. doi: 10.1097/CCM.0b013e318170ab08.

Caspases inhibition decreases neurological sequelae in meningitis.

Author information

1
University of Florida at Jacksonville, Wolfson's Children Hospital, Jacksonville, FL, USA. Irazuzta@aol.com

Abstract

OBJECTIVE:

To evaluate the effects of sustained caspase inhibition during the acute phase of meningitis-induced brain injury. Changes in neurobehavioral performance were the primary outcome variables.

DESIGN:

Randomized prospective animal study.

SETTING:

University research laboratory.

SUBJECTS:

Male Wistar rats.

INTERVENTIONS:

Animals underwent a basilar cistern inoculation of group B Streptococci to induce meningitis. Sixteen hours later animals were randomized to receive Bocaspartyl (OMe)-fluoromethyketone (BAF) for 4 days or placebo in addition to antibiotic therapy. The assessment of neurobehavioral performance was started 7 days after initiation of treatment and continued for the following 3 wks. A subgroup underwent early kill, at 5 days, to evaluate caspase 3 activity in brain tissue. There was a group of Sham instrumented animals.

MEASUREMENTS AND MAIN RESULTS:

BAF decreased caspase 3 activation in meningitic animals. There were no significant motor deficit differences between the infected groups. Cognitive performance was significantly improved in the BAF group.

CONCLUSION:

These findings demonstrate that sustained systemic administration of BAF inhibits caspase 3 activation and decreases neurologic sequelae in a rat model of bacterial meningitis.

PMID:
18434888
DOI:
10.1097/CCM.0b013e318170ab08
[Indexed for MEDLINE]
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