Evidence map›Paper›PMID 20172577›Full record

ArticleVirology2010

The capsid-spacer peptide 1 Gag processing intermediate is a dominant-negative inhibitor of HIV-1 maturation.

Mary Ann Checkley, Benjamin G Luttge, Ferri Soheilian, Kunio Nagashima, Eric O Freed

Abstract read
In one paragraph

Article in Virology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed
1.7field-weighted citation impact, top 17% 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

44 citing papers in PubMed, 64 citations in OpenAlex.

  1. Trial
  2. Mechanisms of HIV-1 assembly, release and maturation.Nature reviews. Microbiology · 2026
    Review
  3. Article
  4. Review
  5. Article
  6. Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Review
  12. Article
  13. Article
  14. Second Generation Inhibitors of HIV-1 Maturation.ACS medicinal chemistry letters · 2019
    Article
  15. Article
  16. Article
  17. High-resolution structures of HIV-1 Gag cleavage mutants determine structural switch for virus maturation.Proceedings of the National Academy of Sciences of the United States of America · 2018
    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

5 authors at 2 institutions in 1 country.

Mary Ann CheckleyVirus-Cell Interaction Section, HIV Drug Resistance Program, National Cancer Institute-Frederick, Bldg. 535/Rm 108, 1050 Boyles Street, Frederick, MD 21702-1201, USA.
Benjamin G Luttge
Ferri Soheilian
Kunio Nagashima
Eric O Freed
Frederick National Laboratory for Cancer Research · USNational Cancer Institute · US

Funding

Inhibition of HIV-1 MaturationZIABC010778 · NCI · DIVISION OF BASIC SCIENCES - NCI · PI FREED, ERIC · 2009 to 2025
$9.7M
Intramural NIH HHSNCI NIH HHS N01 CO012400NCI NIH HHS N01-CO-12400
6 · The paper itself

Abstract

The human immunodeficiency virus type 1 (HIV-1) maturation inhibitor bevirimat disrupts virus replication by inhibiting the cleavage of the capsid-spacer peptide 1 (CA-SP1) Gag processing intermediate to mature CA. The observation that bevirimat delays but does not completely block CA-SP1 processing suggests that the presence of uncleaved CA-SP1 may disrupt the maturation process in trans. In this study, we validate this hypothesis by using a genetic approach to demonstrate that a non-cleavable CA-SP1 mutant exerts a dominant-negative effect on maturation of wild-type HIV-1. In contrast, a mutant in which cleavage can occur internally within SP1 is significantly less potent as a dominant-negative inhibitor. We also show that bevirimat blocks processing at both the major CA-SP1 cleavage site and the internal site. These data underscore the importance of full CA-SP1 processing for HIV-1 maturation and highlight the therapeutic potential of inhibitors that target this Gag cleavage event.

Indexed as

Amino Acid SequenceAnti-HIV AgentsCapsid ProteinsCell Linegag Gene Products, Human Immunodeficiency VirusHeLa CellsHIV-1HumansJurkat CellsMolecular Sequence DataMutationPentacyclic TriterpenesProtein Processing, Post-TranslationalSuccinatesTriterpenesVirus AssemblyAnti-HIV AgentsbevirimatCapsid Proteinsgag Gene Products, Human Immunodeficiency VirusPentacyclic TriterpenesSuccinatesTriterpenes

Identifiers

PMID20172577
PMCPMC2838455
OpenAlexW2077795431

What OpenQuestion holds

Textmetadata
LicenceTDM
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.