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Discovery and Characterization of a Potent Interleukin-6 Binding Peptide with Neutralizing Activity In Vivo

Overview of attention for article published in PLOS ONE, November 2015
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Title
Discovery and Characterization of a Potent Interleukin-6 Binding Peptide with Neutralizing Activity In Vivo
Published in
PLOS ONE, November 2015
DOI 10.1371/journal.pone.0141330
Pubmed ID
Authors

Sheila Ranganath, Ashok Bhandari, Nicole Avitahl-Curtis, Jaimee McMahon, Derek Wachtel, Jenny Zhang, Christopher Leitheiser, Sylvie G. Bernier, Guang Liu, Tran T. Tran, Herodion Celino, Jenny Tobin, Joon Jung, Hong Zhao, Katie E. Glen, Chris Graul, Aliesha Griffin, Wayne C. Schairer, Carolyn Higgins, Tammi L. Reza, Eva Mowe, Sam Rivers, Sonya Scott, Alex Monreal, Courtney Shea, Greg Bourne, Casey Coons, Adaline Smith, Kim Tang, Ramya A. Mandyam, Jaime Masferrer, David Liu, Dinesh V. Patel, Angelika Fretzen, Craig A. Murphy, G. Todd Milne, Mark L. Smythe, Kenneth E. Carlson

Abstract

Interleukin-6 (IL-6) is an important member of the cytokine superfamily, exerting pleiotropic actions on many physiological processes. Over-production of IL-6 is a hallmark of immune-mediated inflammatory diseases such as Castleman's Disease (CD) and rheumatoid arthritis (RA). Antagonism of the interleukin IL-6/IL-6 receptor (IL-6R)/gp130 signaling complex continues to show promise as a therapeutic target. Monoclonal antibodies (mAbs) directed against components of this complex have been approved as therapeutics for both CD and RA. To potentially provide an additional modality to antagonize IL-6 induced pathophysiology, a peptide-based antagonist approach was undertaken. Using a combination of molecular design, phage-display, and medicinal chemistry, disulfide-rich peptides (DRPs) directed against IL-6 were developed with low nanomolar potency in inhibiting IL-6-induced pSTAT3 in U937 monocytic cells. Targeted PEGylation of IL-6 binding peptides resulted in molecules that retained their potency against IL-6 and had a prolongation of their pharmacokinetic (PK) profiles in rodents and monkeys. One such peptide, PN-2921, contained a 40 kDa polyethylene glycol (PEG) moiety and inhibited IL-6-induced pSTAT3 in U937 cells with sub-nM potency and possessed 23, 36, and 59 h PK half-life values in mice, rats, and cynomolgus monkeys, respectively. Parenteral administration of PN-2921 to mice and cynomolgus monkeys potently inhibited IL-6-induced biomarker responses, with significant reductions in the acute inflammatory phase proteins, serum amyloid A (SAA) and C-reactive protein (CRP). This potent, PEGylated IL-6 binding peptide offers a new approach to antagonize IL-6-induced signaling and associated pathophysiology.

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The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 73 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 1%
Unknown 72 99%

Demographic breakdown

Readers by professional status Count As %
Researcher 17 23%
Student > Ph. D. Student 14 19%
Student > Bachelor 7 10%
Other 6 8%
Student > Master 6 8%
Other 8 11%
Unknown 15 21%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 15 21%
Chemistry 11 15%
Agricultural and Biological Sciences 9 12%
Medicine and Dentistry 4 5%
Pharmacology, Toxicology and Pharmaceutical Science 4 5%
Other 13 18%
Unknown 17 23%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 November 2015.
All research outputs
#13,958,854
of 22,832,057 outputs
Outputs from PLOS ONE
#112,848
of 194,870 outputs
Outputs of similar age
#141,149
of 282,792 outputs
Outputs of similar age from PLOS ONE
#2,568
of 5,153 outputs
Altmetric has tracked 22,832,057 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 194,870 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 15.1. This one is in the 40th percentile – i.e., 40% 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 282,792 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 48th percentile – i.e., 48% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 5,153 others from the same source and published within six weeks on either side of this one. This one is in the 47th percentile – i.e., 47% of its contemporaries scored the same or lower than it.