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Inflammation and Elevated Osteopontin in Plasma and CSF in Cerebral Malaria Compared to Plasmodium -Negative Neurological Infections

Cerebral malaria in young African children is associated with high mortality, and persisting neurological deficits often remain in survivors. Sequestered -infected red blood cells lead to cerebrovascular inflammation and subsequent neuroinflammation. Brain inflammation can play a role in the pathoge...

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Published in:International journal of molecular sciences 2024-09, Vol.25 (17), p.9620
Main Authors: Stins, Monique F, Mtaja, Agnes, Mulendele, Evans, Mwimbe, Daniel, Pinilla-Monsalve, Gabriel D, Mutengo, Mable, Pardo, Carlos A, Chipeta, James
Format: Article
Language:English
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Summary:Cerebral malaria in young African children is associated with high mortality, and persisting neurological deficits often remain in survivors. Sequestered -infected red blood cells lead to cerebrovascular inflammation and subsequent neuroinflammation. Brain inflammation can play a role in the pathogenesis of neurologic sequelae. Therefore, we assessed a select set of proinflammatory analytes (IP10, IL23, MIP3α, GRO, MCP-1, and osteopontin in both the plasma and cerebrospinal fluid(CSF) of Zambian children with cerebral malaria and compared this with children with neurological symptoms that were negative for (non-cerebral malaria). Several similarities in plasma and CSF levels were found, as were some striking differences. We confirmed that IP10 levels were higher in the plasma of cerebral malaria patients, but this was not found in CSF. Levels of osteopontin were elevated in both the plasma and CSF of CM patients compared to the non-CM patients. These results show again a highly inflammatory environment in both groups but a different profile for CM when compared to non-cerebral malaria. Osteopontin may play an important role in neurological inflammation in CM and the resulting sequelae. Therefore, osteopontin could be a valid target for further biomarker research and potentially for therapeutic interventions in neuroinflammatory infections.
ISSN:1422-0067
1661-6596
1422-0067
DOI:10.3390/ijms25179620