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DAF-shielded baculovirus-vectored vaccine enhances protection against malaria sporozoite challenge in mice

Overview of attention for article published in Malaria Journal, September 2017
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Title
DAF-shielded baculovirus-vectored vaccine enhances protection against malaria sporozoite challenge in mice
Published in
Malaria Journal, September 2017
DOI 10.1186/s12936-017-2039-x
Pubmed ID
Authors

Mitsuhiro Iyori, Daisuke S. Yamamoto, Miako Sakaguchi, Masanori Mizutani, Sota Ogata, Hidesato Nishiura, Takahiko Tamura, Hiroyuki Matsuoka, Shigeto Yoshida

Abstract

Previous studies have shown that the baculovirus-vectored vaccine based on the "baculovirus dual expression system (BDES)" is an effective vaccine delivery platform for malaria. However, a point of weakness remaining for use of this vaccine platform in vivo concerns viral inactivation by serum complement. In an effort to achieve complement resistance, the gene encoding the human decay-accelerating factor (hDAF) was incorporated into the BDES malaria vaccine expressing the Plasmodium falciparum circumsporozoite protein (PfCSP). The newly-developed BDES vaccine, designated BDES-sPfCSP2-Spider, effectively displayed hDAF and PfCSP on the surface of the viral envelope, resulting in complement resistance both in vitro and in vivo. Importantly, upon intramuscular inoculation into mice, the BDES-sPfCSP2-Spider vaccine had a higher protective efficacy (60%) than that of the control vaccine BDES-sPfCSP2-Spier (30%) against challenge with transgenic Plasmodium berghei sporozoites expressing PfCSP. DAF-shielded BDES-vaccines offer great potential for development as a new malaria vaccine platform against the sporozoite challenge.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 27 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 27 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 30%
Student > Master 6 22%
Student > Ph. D. Student 4 15%
Student > Bachelor 2 7%
Student > Postgraduate 2 7%
Other 4 15%
Unknown 1 4%
Readers by discipline Count As %
Agricultural and Biological Sciences 6 22%
Biochemistry, Genetics and Molecular Biology 5 19%
Medicine and Dentistry 4 15%
Immunology and Microbiology 3 11%
Computer Science 1 4%
Other 3 11%
Unknown 5 19%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. 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 01 October 2017.
All research outputs
#18,420,968
of 23,653,133 outputs
Outputs from Malaria Journal
#4,940
of 5,664 outputs
Outputs of similar age
#231,891
of 322,047 outputs
Outputs of similar age from Malaria Journal
#125
of 129 outputs
Altmetric has tracked 23,653,133 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 5,664 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.9. This one is in the 9th percentile – i.e., 9% 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 322,047 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 23rd percentile – i.e., 23% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 129 others from the same source and published within six weeks on either side of this one. This one is in the 2nd percentile – i.e., 2% of its contemporaries scored the same or lower than it.