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B cell epitope of human cytomegalovirus phosphoprotein 65 (HCMV pp65) induced anti-dsDNA antibody in BALB/c mice

Overview of attention for article published in Arthritis Research & Therapy, March 2017
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Title
B cell epitope of human cytomegalovirus phosphoprotein 65 (HCMV pp65) induced anti-dsDNA antibody in BALB/c mice
Published in
Arthritis Research & Therapy, March 2017
DOI 10.1186/s13075-017-1268-2
Pubmed ID
Authors

Ao HoHsieh, Chin Man Wang, Yeong-Jian Jan Wu, Albert Chen, Ming-I Chang, Ji-Yih Chen

Abstract

HCMV phosphoprotein 65 (HCMVpp65) is a putative immunogen that acts as an accelerator, inducing autoantibody and exacerbating autoimmune response in susceptible animals. The immunity to pp65336-439 instigates autoimmunity, suggesting that pp65336-439 contains crucial B cell epitope(s) for the development of nephritis. This study narrowed down the target epitope to pp65422-439 for immunization of BALB/c mice and mapping of B cell epitope. The target epitope pp65422-439 reactivity and B cell epitope mapping was examined in serum from pp65422-439-immunized mice and patients with systemic lupus erythematosus (SLE). Kidney tissue from immunized mice was examined for signs of immune complex nephritis. Anti-pp65422-439 antibody in serum either from patients with SLE or from pp65422-439-immunized mice exhibited cross-reactivity to several nuclear components such as double-stranded DNA (dsDNA). Moreover, the pp65422-439-immunized mice developed initial signs of glomerulonephritis such as deposition of immunoglobulin G/M (IgG/IgM) and third complement component (C3). With B cell epitope mapping by pp65422-439-derived decapeptides, one dominant epitope, pp65428-437, was identified in serum from pp65422-439-immunized mice and patients with SLE with anti-pp65422-439 antibody. Epitope spreading from pp65428-437 to pp65430-439 was found in pp65422-439-immunized mice in which we generated monoclonal antibodies to pp65425-434 and pp65430-439. However, dsDNA positive reactivity was exclusively observed in Crithidia luciliae stains with pp65430-439-reactive monoclonal antibody. Additionally, we observed the amelioration of autoimmunity following the elevation of IgM targeting pp65428-437. CONCLUSIONS: Our data suggest that pp65428-437 may be an autoimmune or lupus-prone B cell epitope and may catalyze further epitope spreading for inducing autoantibodies in lupus-susceptible individuals.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 25 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 25 100%

Demographic breakdown

Readers by professional status Count As %
Other 3 12%
Student > Master 3 12%
Student > Doctoral Student 2 8%
Student > Bachelor 2 8%
Student > Ph. D. Student 2 8%
Other 4 16%
Unknown 9 36%
Readers by discipline Count As %
Medicine and Dentistry 6 24%
Biochemistry, Genetics and Molecular Biology 2 8%
Agricultural and Biological Sciences 2 8%
Immunology and Microbiology 2 8%
Nursing and Health Professions 1 4%
Other 2 8%
Unknown 10 40%
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 April 2017.
All research outputs
#19,951,180
of 25,382,440 outputs
Outputs from Arthritis Research & Therapy
#2,814
of 3,380 outputs
Outputs of similar age
#234,932
of 322,965 outputs
Outputs of similar age from Arthritis Research & Therapy
#27
of 40 outputs
Altmetric has tracked 25,382,440 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 3,380 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 9.2. This one is in the 14th percentile – i.e., 14% 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 322,965 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 22nd percentile – i.e., 22% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 40 others from the same source and published within six weeks on either side of this one. This one is in the 20th percentile – i.e., 20% of its contemporaries scored the same or lower than it.