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Recombinant BCG: Innovations on an Old Vaccine. Scope of BCG Strains and Strategies to Improve Long-Lasting Memory

Overview of attention for article published in Frontiers in immunology, January 2014
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Title
Recombinant BCG: Innovations on an Old Vaccine. Scope of BCG Strains and Strategies to Improve Long-Lasting Memory
Published in
Frontiers in immunology, January 2014
DOI 10.3389/fimmu.2014.00152
Pubmed ID
Authors

Adeliane Castro da Costa, Sarah Veloso Nogueira, André Kipnis, Ana Paula Junqueira-Kipnis

Abstract

Bacille Calmette-Guérin (BCG), an attenuated vaccine derived from Mycobacterium bovis, is the current vaccine of choice against tuberculosis (TB). Despite its protection against active TB in children, BCG has failed to protect adults against TB infection and active disease development, especially in developing countries where the disease is endemic. Currently, there is a significant effort toward the development of a new TB vaccine. This review article aims to address publications on recombinant BCG (rBCG) published in the last 5 years, to highlight the strategies used to develop rBCG, with a focus on the criteria used to improve immunological memory and protection compared with BCG. The literature review was done in April 2013, using the key words TB, rBCG vaccine, and memory. This review discusses the BCG strains and strategies currently used for the modification of BCG, including: overexpression of Mycobacterium tuberculosis (Mtb) immunodominant antigens already present in BCG; gene insertion of immunodominant antigens from Mtb absent in the BCG vaccine; combination of introduction and overexpression of genes that are lost during the attenuation process of BCG; BCG modifications for the induction of CD8+ T-cell immune responses and cytokines expressing rBCG. Among the vaccines discussed, VPM1002, also called rBCGΔureC:hly, is currently in human clinical trials. Much progress has been made in the effort to improve BCG, with some promising candidates, but considerable work is still required to address functional long-lasting memory.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 109 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Canada 1 <1%
Unknown 108 99%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 24 22%
Student > Master 19 17%
Student > Ph. D. Student 19 17%
Student > Doctoral Student 8 7%
Researcher 6 6%
Other 10 9%
Unknown 23 21%
Readers by discipline Count As %
Agricultural and Biological Sciences 27 25%
Biochemistry, Genetics and Molecular Biology 21 19%
Medicine and Dentistry 14 13%
Immunology and Microbiology 10 9%
Pharmacology, Toxicology and Pharmaceutical Science 2 2%
Other 9 8%
Unknown 26 24%
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 07 April 2014.
All research outputs
#22,758,309
of 25,371,288 outputs
Outputs from Frontiers in immunology
#27,414
of 31,513 outputs
Outputs of similar age
#280,461
of 319,271 outputs
Outputs of similar age from Frontiers in immunology
#69
of 97 outputs
Altmetric has tracked 25,371,288 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 31,513 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.4. This one is in the 1st percentile – i.e., 1% 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 319,271 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 97 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.