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ICAM-1 is a key receptor mediating cytoadherence and pathology in the Plasmodium chabaudi malaria model

Overview of attention for article published in Malaria Journal, May 2017
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4 tweeters

Citations

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23 Dimensions

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69 Mendeley
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Title
ICAM-1 is a key receptor mediating cytoadherence and pathology in the Plasmodium chabaudi malaria model
Published in
Malaria Journal, May 2017
DOI 10.1186/s12936-017-1834-8
Pubmed ID
Authors

Deirdre A. Cunningham, Jing-wen Lin, Thibaut Brugat, William Jarra, Irene Tumwine, Garikai Kushinga, Jai Ramesar, Blandine Franke-Fayard, Jean Langhorne

Abstract

Parasite cytoadherence within the microvasculature of tissues and organs of infected individuals is implicated in the pathogenesis of several malaria syndromes. Multiple host receptors may mediate sequestration. The identity of the host receptor(s), or the parasite ligand(s) responsible for sequestration of Plasmodium species other than Plasmodium falciparum is largely unknown. The rodent malaria parasites may be useful to model interactions of parasite species, which lack the var genes with their respective hosts, as other multigene families are shared between the species. The role of the endothelial receptors ICAM-1 and CD36 in cytoadherence and in the development of pathology was investigated in a Plasmodium chabaudi infection in C57BL/6 mice lacking these receptors. The schizont membrane-associated cytoadherence (SMAC) protein of Plasmodium berghei has been shown to exhibit reduced CD36-associated cytoadherence in P. berghei ANKA-infected mice. Parasite tissue sequestration and the development of acute stage pathology in P. chabaudi infections of mice lacking CD36 or ICAM-1, their respective wild type controls, and in infections with mutant P. chabaudi parasites lacking the smac gene were compared. Peripheral blood parasitaemia, red blood cell numbers and weight change were monitored throughout the courses of infection. Imaging of bioluminescent parasites in isolated tissues (spleen, lungs, liver, kidney and gut) was used to measure tissue parasite load. This study shows that neither the lack of CD36 nor the deletion of the smac gene from P. chabaudi significantly impacted on acute-stage pathology or parasite sequestration. By contrast, in the absence of ICAM-1, infected animals experience less anaemia and weight loss, reduced parasite accumulation in both spleen and liver and higher peripheral blood parasitaemia during acute stage malaria. The reduction in parasite tissue sequestration in infections of ICAM-1 null mice is maintained after mosquito transmission. These results indicate that ICAM-1-mediated cytoadherence is important in the P. chabaudi model of malaria and suggest that for rodent malarias, as for P. falciparum, there may be multiple host and parasite molecules involved in sequestration.

Twitter Demographics

The data shown below were collected from the profiles of 4 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 69 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 69 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 16 23%
Student > Ph. D. Student 12 17%
Student > Bachelor 8 12%
Lecturer 4 6%
Other 4 6%
Other 10 14%
Unknown 15 22%
Readers by discipline Count As %
Immunology and Microbiology 18 26%
Biochemistry, Genetics and Molecular Biology 15 22%
Agricultural and Biological Sciences 6 9%
Medicine and Dentistry 6 9%
Neuroscience 2 3%
Other 5 7%
Unknown 17 25%

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 05 May 2017.
All research outputs
#13,956,002
of 22,362,494 outputs
Outputs from Malaria Journal
#3,882
of 5,462 outputs
Outputs of similar age
#155,250
of 285,204 outputs
Outputs of similar age from Malaria Journal
#1
of 1 outputs
Altmetric has tracked 22,362,494 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 5,462 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.7. This one is in the 24th percentile – i.e., 24% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 285,204 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 42nd percentile – i.e., 42% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 1 others from the same source and published within six weeks on either side of this one. This one has scored higher than all of them