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Development of tissue inflammation accompanied by NLRP3 inflammasome activation in rabbits infected with Treponema pallidum strain Nichols

Overview of attention for article published in BMC Infectious Diseases, March 2018
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Title
Development of tissue inflammation accompanied by NLRP3 inflammasome activation in rabbits infected with Treponema pallidum strain Nichols
Published in
BMC Infectious Diseases, March 2018
DOI 10.1186/s12879-018-2993-0
Pubmed ID
Authors

Li-Rong Lin, Yao Xiao, Wei Liu, Yu-Yan Chen, Xiao-Zhen Zhu, Zheng-Xiang Gao, Kun Gao, Man-Li Tong, Hui-Lin Zhang, Shu-Lian Li, Hui-Ling Lin, Wen-Dong Li, Xian-Ming Liang, Yong Lin, Li-Li Liu, Tian-Ci Yang

Abstract

The inflammasome responses in Treponema pallidum infection have been poorly understood to date. This study aimed to investigate the expression of the nucleotide-binding leucine-rich receptor protein 3 (NLRP3) inflammasome in the development of tissue inflammation in rabbits infected with T. pallidum. Forty-five rabbits were randomly assigned to a blank group or an infection group, and the latter was divided into no benzathine penicillin G (BPG) and BPG treatment subgroups. Rabbits in the infection group were injected intradermally with 0.1 mL of a 107/mL T. pallidum suspension at 10 marked sites along the back, and the blank group was treated with normal saline. The BPG treatment subgroup received 200,000 U of BPG administered intramuscularly twice, at 14 d and 21 d post-infection. The development of lesions was observed, and biopsies of the injection site and various organs, including the kidney, liver, spleen, lung, and testis, were obtained for NLRP3, caspase-1, and interleukin-1β (IL-1β) mRNA analysis during infection. Blood was also collected for the determination of IL-1β concentration. Rabbits infected with T. pallidum (both the BPG treatment and no BPG treatment subgroups), exhibited NLRP3 inflammasome activation and IL-1β secretion in cutaneous lesions, showing a trend in elevation to decline; NLRP3 mRNA expression reached a peak at 18 d in the BPG treatment subgroup and 21 d in the no BPG treatment subgroup and returned to "normal" levels [vs. the blank group (P > 0.05)] at 42 d post-infection. The trend was similar to the change in cutaneous lesions in the infected rabbits, which reached a peak at 16 d in the BPG treatment subgroup and 18 d in the no BPG treatment subgroup. NLRP3, caspase-1, and IL-1β mRNA expression levels were slightly different in different organs. NLRP3 inflammasome activation was also observed in the kidney, liver, lung, spleen and testis. IL-1β expression was observed in the kidney, liver, lung and spleen; however, there was no detectable level of IL-1β in the testes of the infected rabbits. This study established a clear link between NLRP3 inflammasome activation and the development of tissue inflammation in rabbits infected with T. pallidum. BPG therapy imperceptibly adjusted syphilitic inflammation.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 14 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 14 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 3 21%
Student > Bachelor 2 14%
Student > Ph. D. Student 1 7%
Other 1 7%
Professor > Associate Professor 1 7%
Other 1 7%
Unknown 5 36%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 4 29%
Immunology and Microbiology 1 7%
Agricultural and Biological Sciences 1 7%
Sports and Recreations 1 7%
Social Sciences 1 7%
Other 1 7%
Unknown 5 36%

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 05 March 2018.
All research outputs
#10,955,784
of 13,789,144 outputs
Outputs from BMC Infectious Diseases
#3,629
of 5,141 outputs
Outputs of similar age
#204,338
of 272,547 outputs
Outputs of similar age from BMC Infectious Diseases
#1
of 1 outputs
Altmetric has tracked 13,789,144 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 5,141 research outputs from this source. They receive a mean Attention Score of 4.8. This one is in the 15th percentile – i.e., 15% 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 272,547 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 13th percentile – i.e., 13% 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