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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
5915
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pubmed:dateCreated |
2009-2-6
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pubmed:abstractText |
Platelets play a critical role in the pathogenesis of malarial infections by encouraging the sequestration of infected red blood cells within the cerebral vasculature. But platelets also have well-established roles in innate protection against microbial infections. We found that purified human platelets killed Plasmodium falciparum parasites cultured in red blood cells. Inhibition of platelet function by aspirin and other platelet inhibitors abrogated the lethal effect human platelets exert on P. falciparum parasites. Likewise, platelet-deficient and aspirin-treated mice were more susceptible to death during erythrocytic infection with Plasmodium chabaudi. Both mouse and human platelets bind malarial-infected red cells and kill the parasite within. These results indicate a protective function for platelets in the early stages of erythrocytic infection distinct from their role in cerebral malaria.
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pubmed:grant |
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Adenosine Diphosphate,
http://linkedlifedata.com/resource/pubmed/chemical/Aspirin,
http://linkedlifedata.com/resource/pubmed/chemical/Mpl protein, mouse,
http://linkedlifedata.com/resource/pubmed/chemical/P2RY1 protein, human,
http://linkedlifedata.com/resource/pubmed/chemical/P2ry1 protein, mouse,
http://linkedlifedata.com/resource/pubmed/chemical/Platelet Aggregation Inhibitors,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Purinergic P2,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Purinergic P2Y1,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Thrombopoietin
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pubmed:status |
MEDLINE
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pubmed:month |
Feb
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pubmed:issn |
1095-9203
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pubmed:author |
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pubmed:issnType |
Electronic
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pubmed:day |
6
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pubmed:volume |
323
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
797-800
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pubmed:dateRevised |
2010-11-18
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pubmed:meshHeading |
pubmed-meshheading:19197068-Adenosine Diphosphate,
pubmed-meshheading:19197068-Animals,
pubmed-meshheading:19197068-Aspirin,
pubmed-meshheading:19197068-Blood Platelets,
pubmed-meshheading:19197068-Erythrocytes,
pubmed-meshheading:19197068-Female,
pubmed-meshheading:19197068-Humans,
pubmed-meshheading:19197068-In Situ Nick-End Labeling,
pubmed-meshheading:19197068-Malaria,
pubmed-meshheading:19197068-Male,
pubmed-meshheading:19197068-Mice,
pubmed-meshheading:19197068-Mice, Inbred C57BL,
pubmed-meshheading:19197068-Mice, Knockout,
pubmed-meshheading:19197068-Plasmodium chabaudi,
pubmed-meshheading:19197068-Plasmodium falciparum,
pubmed-meshheading:19197068-Platelet Activation,
pubmed-meshheading:19197068-Platelet Aggregation Inhibitors,
pubmed-meshheading:19197068-Platelet Count,
pubmed-meshheading:19197068-Receptors, Purinergic P2,
pubmed-meshheading:19197068-Receptors, Purinergic P2Y1,
pubmed-meshheading:19197068-Receptors, Thrombopoietin
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pubmed:year |
2009
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pubmed:articleTitle |
Platelets kill intraerythrocytic malarial parasites and mediate survival to infection.
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pubmed:affiliation |
Menzies Research Institute, University of Tasmania, Private Bag 23, Hobart, Tasmania 7000, Australia. brendan.mcmorran@utas.edu.au
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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