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Intranasal Immunization with DnaK Protein Induces Protective Mucosal Immunity against Tuberculosis in CD4-Depleted Mice

Overview of attention for article published in Frontiers in Cellular and Infection Microbiology, February 2018
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Title
Intranasal Immunization with DnaK Protein Induces Protective Mucosal Immunity against Tuberculosis in CD4-Depleted Mice
Published in
Frontiers in Cellular and Infection Microbiology, February 2018
DOI 10.3389/fcimb.2018.00031
Pubmed ID
Authors

Yu-Min Chuang, Michael L. Pinn, Petros C. Karakousis, Chien-Fu Hung

Abstract

Mycobacterium tuberculosis (Mtb) remains a global health challenge due to the limited efficacy of the Mtb vaccine in current use, Bacillus Calmette-Guérin (BCG). To date, there is no available vaccine for immunocompromised individuals. Thus, there is an urgent need to develop a new vaccine candidate which can induce mucosal immunity in hosts with different immune statuses. DnaK (HSP70) has been shown to induce protective immunity against Mtb infection when administered by DNA vaccine; however, the protection is inferior to that induced by the BCG vaccine. In our study, we vaccinated C57BL/6J mice with DnaK protein alone. Subcutaneous or intranasal vaccination with DnaK generated IFNγ-secreting CD4+T cells in the spleen, but only intranasal vaccination generated IL-17-releasing CD4+T cells in the lungs, even when circulating CD4+T cells were diminished. Furthermore, intranasal vaccination with DnaK generated tissue resident CD4+T cells in the lungs. Vaccination with DnaK alone resulted in protective immunity comparable to BCG vaccination against tuberculosis in mice. Our results demonstrate that intranasal vaccination with DnaK can generate mucosal immunity in immunocompromised or immunocompetent mice and DnaK vaccination can generate protection against Mtb similar to BCG, underscoring its potential utility as an Mtb vaccine candidate in humans.

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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 %
Student > Master 5 19%
Student > Bachelor 5 19%
Student > Doctoral Student 2 7%
Student > Ph. D. Student 2 7%
Student > Postgraduate 1 4%
Other 0 0%
Unknown 12 44%
Readers by discipline Count As %
Agricultural and Biological Sciences 4 15%
Immunology and Microbiology 3 11%
Medicine and Dentistry 3 11%
Biochemistry, Genetics and Molecular Biology 2 7%
Nursing and Health Professions 1 4%
Other 2 7%
Unknown 12 44%
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 24 February 2018.
All research outputs
#18,585,544
of 23,020,670 outputs
Outputs from Frontiers in Cellular and Infection Microbiology
#4,920
of 6,510 outputs
Outputs of similar age
#329,481
of 439,449 outputs
Outputs of similar age from Frontiers in Cellular and Infection Microbiology
#97
of 126 outputs
Altmetric has tracked 23,020,670 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 6,510 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.4. This one is in the 6th percentile – i.e., 6% 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 439,449 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 14th percentile – i.e., 14% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 126 others from the same source and published within six weeks on either side of this one. This one is in the 17th percentile – i.e., 17% of its contemporaries scored the same or lower than it.