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Protection from reinfection in “Candidatus Mycoplasma turicensis”-infected cats and characterization of the immune response

Overview of attention for article published in Veterinary Research, December 2012
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Title
Protection from reinfection in “Candidatus Mycoplasma turicensis”-infected cats and characterization of the immune response
Published in
Veterinary Research, December 2012
DOI 10.1186/1297-9716-43-82
Pubmed ID
Authors

Marilisa Novacco, Felicitas S Boretti, Marco Franchini, Barbara Riond, Marina L Meli, Regina Hofmann-Lehmann

Abstract

"Candidatus Mycoplasma turicensis" (CMt) is a hemoplasma species of felids. Recent evidence has shown that cats that overcome bacteremia may be protected from reinfection. The purposes of this study were to (1) re-inoculate ostensibly recovered cats, (2) evaluate the immune response and (3) assess CMt tissue loads. Fifteen specified pathogen-free cats were subcutaneously inoculated with CMt: 10 cats (group A) had previously undergone bacteremia and recovered, and 5 naïve cats (group B) served as controls. CMt infections were monitored by real-time PCR using blood and tissue, and the humoral immune response was assessed using DnaK ELISA. Cytokine mRNA expression levels were measured by real-time PCR, and lymphocyte subsets were detected by flow cytometry. The cats in group A were protected from reinfection (no detectable bacteremia) and showed a transient decrease in antibodies. Eosinophilia was noted in cats from group A. The cats from group B became PCR-positive and seroconverted. All of the tissues analyzed from the cats in group B but none of the tissues analyzed from the cats in group A were CMt PCR-positive. Significant changes were observed in the expression of tumor necrosis factor-α, interferon-γ, interleukin-4 and the Th2/Th1 ratio in both groups. The cats from group A occasionally showed higher numbers of CD4+, CD8+, CD4+CD25+ and CD5+MHCII+ T lymphocytes than the control cats. In conclusion, this study describes, for the first time, the occurrence of immunological protection within the same hemoplasma species. Furthermore, the immune response during CMt infections appeared to be skewed toward the Th2 type.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 19 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 1 5%
Unknown 18 95%

Demographic breakdown

Readers by professional status Count As %
Other 5 26%
Professor 3 16%
Student > Master 3 16%
Professor > Associate Professor 2 11%
Student > Doctoral Student 1 5%
Other 4 21%
Unknown 1 5%
Readers by discipline Count As %
Agricultural and Biological Sciences 7 37%
Veterinary Science and Veterinary Medicine 5 26%
Medicine and Dentistry 2 11%
Nursing and Health Professions 1 5%
Unspecified 1 5%
Other 2 11%
Unknown 1 5%
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 13 December 2012.
All research outputs
#19,942,887
of 25,371,288 outputs
Outputs from Veterinary Research
#974
of 1,337 outputs
Outputs of similar age
#219,389
of 286,561 outputs
Outputs of similar age from Veterinary Research
#13
of 15 outputs
Altmetric has tracked 25,371,288 research outputs across all sources so far. This one is in the 18th percentile – i.e., 18% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,337 research outputs from this source. They receive a mean Attention Score of 5.0. This one is in the 22nd percentile – i.e., 22% 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 286,561 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 20th percentile – i.e., 20% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 15 others from the same source and published within six weeks on either side of this one. This one is in the 13th percentile – i.e., 13% of its contemporaries scored the same or lower than it.