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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1994-3-11
pubmed:abstractText
Rosetting, i.e. the spontaneous binding of uninfected to malaria infected erythrocytes and endothelial cytoadherence may hinder the blood flow and lead to severe Plasmodium falciparum malaria. Falciparum isolates obtained from unconscious patients all form rosettes and/or express a significantly higher mean rosetting rate than isolates from patients with uncomplicated malaria. Furthermore, sera of patients with cerebral malaria are devoid of anti-rosetting activity while sera from patients with mild disease carry high levels of anti-rosetting antibodies. The presence of anti-rosetting antibodies also seems important for the efficient interaction of rosetting infected rbc and leukocytes. Two parasite derived rosetting ligands of Mr 22K and Mr 28K named "rosettins", have been found on the surface of rosetting infected erythrocytes. CD36 has in at least some strains of parasites been found to function as a rosetting receptor on the uninfected erythrocyte. Heparin disrupts rosettes of P. falciparum in vitro and inhibits the sequestration of rosetting cells ex vivo. In conclusion, rosetting seems a crucial factor in the development of cerebral malaria and treatment of patients with anti-rosetting substances might become an effective adjunct in the treatment of severe malaria.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0074-0276
pubmed:author
pubmed:issnType
Print
pubmed:volume
87 Suppl 3
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
323-9
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1992
pubmed:articleTitle
Molecular mechanisms and biological importance of Plasmodium falciparum erythrocyte rosetting.
pubmed:affiliation
Department of Infectious Diseases, Karolinska Institutet, Huddinge Hospital, Sweden.
pubmed:publicationType
Journal Article, Review, Research Support, Non-U.S. Gov't