Evidence map›Paper›PMID 9314527›Full record

ArticleThe Journal of cell biology1997

Nef-mediated clathrin-coated pit formation.

M Foti, A Mangasarian, V Piguet, D P Lew, K H Krause, D Trono, J L Carpentier

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of cell biology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
3.3field-weighted citation impact, top 6% 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

31 citing papers in PubMed, 108 citations in OpenAlex.

  1. Review
  2. Review
  3. Article
  4. Article
  5. Article
  6. Supervised learning and prediction of physical interactions between human and HIV proteins.Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases · 2011
    Article
  7. Article
  8. HIV-1 Nef: at the crossroads.Retrovirology · 2008
    Review
  9. Article
  10. Article
  11. Article
  12. Dynamin 2 is required for the enhancement of HIV-1 infectivity by Nef.Proceedings of the National Academy of Sciences of the United States of America · 2007
    Article
  13. Article
  14. The neck of caveolae is a distinct plasma membrane subdomain that concentrates insulin receptors in 3T3-L1 adipocytes.Proceedings of the National Academy of Sciences of the United States of America · 2007
    Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Clathrin-dependent endocytosis.The Biochemical journal · 2004
    Review
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

7 authors at 1 institution in 1 country.

M FotiDepartment of Morphology, Centre Médical Universitaire, University of Geneva, Switzerland.
A Mangasarian
V Piguet
D P Lew
K H Krause
D Trono
J L Carpentier
Salk Institute for Biological Studies · US

Funding

NEF, T CELLS, AND HIV REPLICATIONR03TW000531 · FIC · SALK INSTITUTE FOR BIOLOGICAL STUDIES · PI HOPE, THOMAS J · 1995 to 1997
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NEF, T CELL, AND HIV REPLICATIONR37AI034306 · NIAID · SALK INSTITUTE FOR BIOLOGICAL STUDIES · PI TRONO, DIDIER · 1996 to 1996
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FIC NIH HHS R03 TW 00531NIAID NIH HHS R37 AI34306
6 · The paper itself

Abstract

The sequence of events leading to clathrin-coated pit (CCP) nucleation on the cell surface and to the incorporation of receptors into these endocytic structures is still imperfectly understood. In particular, the question remains as to whether receptor tails initiate the assembly of the coat proteins or whether receptors migrate into preformed CCP. This question was approached through a dissection of the mechanisms implemented by Nef, an early protein of human and simian immunodeficiency virus (HIV and SIV, respectively), to accelerate the endocytosis of cluster of differentiation antigen type 4 (CD4), the major receptor for these viruses. Results collected showed that: (a) Nef promotes CD4 internalization via an increased association of CD4 with CCP; (b) the Nef-mediated increase of CD4 association with CCP is related to a doubling of the plasma membrane area occupied by clathrin-coated structures; (c) this increased CCP number at the plasma membrane has functional consequences preferentially on CD4 uptake and does not significantly affect transferrin receptor internalization or fluid-phase endocytosis; (d) the presence of a CD4 cytoplasmic tail including a critical dileucine motif is required to induce CCP formation via Nef; and (e) when directly anchored to the cytoplasmic side of the plasma membrane, Nef itself can promote CCP formation. Taken together, these observations lead us to propose that CD4 can promote CCP generation via the connector molecule Nef. In this model, Nef interacts on one side with CD4 through a dileucine-based motif present on CD4 cytoplasmic tail and on the other side with components of clathrin-coated surface domain (i.e., adaptins). These Nef-generated complexes would then initiate the nucleation of CCP.

Indexed as

EndocytosisCD4 AntigensCoated Pits, Cell-MembraneCytoplasmDown-RegulationGene Products, nefHIV-1HumansLeucinenef Gene Products, Human Immunodeficiency VirusTumor Cells, CulturedCD4 AntigensGene Products, nefLeucinenef Gene Products, Human Immunodeficiency Virus

Identifiers

PMID9314527
PMCPMC2139808
OpenAlexW1975209033

What OpenQuestion holds

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LicenceCC BY-NC-SA
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.