Evidence map›Paper›PMID 22973024›Full record

ArticleJournal of virology2012

Amino acid residue-specific neutralization and nonneutralization of hepatitis C virus by monoclonal antibodies to the E2 protein.

Hongying Duan, Alla Kachko, Lilin Zhong, Evi Struble, Shivani Pandey, Hailing Yan, Christine Harman, Maria Luisa Virata-Theimer, Lu Deng, Zhong Zhao and 3 more

Open access · bronzeAbstract read
In one paragraph

Article in Journal of virology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
2.1field-weighted citation impact, top 13% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

25 citing papers in PubMed, 30 citations in OpenAlex.

  1. Trial
  2. Review
  3. Article
  4. Cell-Free Display Techniques for Protein Evolution.Advances in biochemical engineering/biotechnology · 2023
    Article
  5. Review
  6. Article
  7. Review
  8. Review
  9. Antibody Responses in Hepatitis C Infection.Cold Spring Harbor perspectives in medicine · 2021
    Review
  10. HCV Glycoprotein Structure and Implications for B-Cell Vaccine Development.International journal of molecular sciences · 2020
    Review
  11. Article
  12. Immunogenetic and structural analysis of a class of HCV broadly neutralizing antibodies and their precursors.Proceedings of the National Academy of Sciences of the United States of America · 2018
    Article
  13. Review
  14. Review
  15. Article
  16. Review
  17. Article
  18. Article
  19. Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors at 1 institution in 1 country.

Hongying DuanDivision of Viral Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, USA.
Alla Kachko
Lilin Zhong
Evi Struble
Shivani Pandey
Hailing Yan
Christine Harman
Maria Luisa Virata-Theimer
Lu Deng
Zhong Zhao
Marian Major
Stephen Feinstone
Pei Zhang
Center for Biologics Evaluation and Research · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Antibodies to epitopes in the E2 protein of hepatitis C virus (HCV) reduce the viral infectivity in vivo and in vitro. However, the virus can persist in patients in the presence of neutralizing antibodies. In this study, we generated a panel of monoclonal antibodies that bound specifically to the region between residues 427 and 446 of the E2 protein of HCV genotype 1a, and we examined their capacity to neutralize HCV in a cell culture system. Of the four monoclonal antibodies described here, two were able to neutralize the virus in a genotype 1a-specific manner. The other two failed to neutralize the virus. Moreover, one of the nonneutralizing antibodies could interfere with the neutralizing activity of a chimpanzee polyclonal antibody at E2 residues 412 to 426, as it did with an HCV-specific immune globulin preparation, which was derived from the pooled plasma of chronic hepatitis C patients. Mapping the epitope-paratope contact interfaces revealed that these functionally distinct antibodies shared binding specificity for key amino acid residues, including W(437), L(438), L(441), and F(442), within the same epitope of the E2 protein. These data suggest that the effectiveness of antibody-mediated neutralization of HCV could be deduced from the interplay between an antibody and a specific set of amino acid residues. Further understanding of the molecular mechanisms of antibody-mediated neutralization and nonneutralization should provide insights for designing a vaccine to control HCV infection in vivo.

Indexed as

Amino Acid SequenceAnimalsAntibodies, MonoclonalAntibodies, NeutralizingCells, CulturedEnzyme-Linked Immunosorbent AssayEpitopesHepacivirusHumansMiceMice, Inbred BALB CNeutralization TestsPan troglodytesViral Envelope ProteinsAntibodies, MonoclonalAntibodies, NeutralizingEpitopesglycoprotein E2, Hepatitis C virusViral Envelope Proteins

Identifiers

PMID22973024
PMCPMC3497666
OpenAlexW2134461357

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.