Evidence map›Paper›PMID 20976166›Full record

ArticlePloS one2010

Cocaine potentiates astrocyte toxicity mediated by human immunodeficiency virus (HIV-1) protein gp120.

Yanjing Yang, Honghong Yao, Yaman Lu, Chao Wang, Shilpa Buch

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed
2.6field-weighted citation impact, top 12% 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

35 citing papers in PubMed, 45 citations in OpenAlex.

  1. Article
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  3. Article
  4. Review
  5. Article
  6. Article
  7. HIV-1 gp120-Induced Endolysosome de-Acidification Leads to Efflux of Endolysosome Iron, and Increases in Mitochondrial Iron and Reactive Oxygen Species.Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2022
    Article
  8. Reactive Oxygen Species (ROS) are Critical for Morphine Exacerbation of HIV-1 gp120-Induced Pain.Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2021
    Article
  9. Review
  10. Review
  11. Review
  12. Review
  13. Article
  14. Article
  15. Review
  16. Article
  17. Article
  18. Drugs of abuse and blood-brain barrier endothelial dysfunction: A focus on the role of oxidative stress.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2016
    Review
  19. Article
  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 1 institution in 1 country.

Yanjing YangDepartment of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, Nebraska, United States of America.
Honghong Yao
Yaman Lu
Chao Wang
Shilpa Buch
University of Nebraska Medical Center · US

Funding

Therapeutics Core (Page 286)P30MH062261 · NIMH · UNIVERSITY OF NEBRASKA MEDICAL CENTER · PI BUCH, SHILPA J., FOX, HOWARD S · 2000 to 2021
$37.7M
Morphine and the Neuropathogenesis of SIV in MacaquesR01DA024442 · NIDA · UNIVERSITY OF NEBRASKA MEDICAL CENTER · PI BUCH, SHILPA J. · 2007 to 2011
$2.8M
Mechanism and Therapy of SHIV Encephalitis in MacaquesR01MH068212 · NIMH · UNIVERSITY OF NEBRASKA MEDICAL CENTER · PI BUCH, SHILPA J. · 2003 to 2012
$2.7M
HIV-Encephalitis and Cocaine Abuse: Mechanism of Synergy and TherapyR01DA020392 · NIDA · UNIVERSITY OF NEBRASKA MEDICAL CENTER · PI BUCH, SHILPA J. · 2006 to 2010
$1.4M
NIDA NIH HHS DA020392NIDA NIH HHS DA024442NIDA NIH HHS R01 DA020392NIDA NIH HHS R01 DA024442NIMH NIH HHS MH-068212NIMH NIH HHS P30 MH062261NIMH NIH HHS R01 MH068212
6 · The paper itself

Abstract

It is becoming widely accepted that psychoactive drugs, often abused by HIV-I infected individuals, can significantly alter the progression of neuropathological changes observed in HIV-associated neurodegenerative diseases (HAND). The underlying mechanisms mediating these effects however, remain poorly understood. In the current study, we explored whether the psychostimulant drug cocaine could exacerbate toxicity mediated by gp120 in rat primary astrocytes. Exposure to both cocaine and gp120 resulted in increased cell toxicity compared to cells treated with either factor alone. The combinatorial toxicity of cocaine and gp120 was accompanied by an increase in caspase-3 activation. In addition, increased apoptosis of astrocytes in the presence of both the agents was associated with a concomitant increase in the production of intracellular reactive oxygen species and loss of mitochondrial membrane potential. Signaling pathways including c-jun N-teminal kinase (JNK), p38, extracellular signal-regulated kinase (ERK)/mitogen-activated protein kinases (MAPK), and nuclear factor (NF-κB) were identified to be major players in cocaine and gp120-mediated apoptosis of astrocytes. Our results demonstrated that cocaine-mediated potentiation of gp120 toxicity involved regulation of oxidative stress, mitochondrial membrane potential and MAPK signaling pathways.

Indexed as

AnimalsAstrocytesBlotting, WesternCells, CulturedCocaineHIV Envelope Protein gp120ImmunohistochemistryRatsRats, Sprague-DawleyReactive Oxygen SpeciesCocaineHIV Envelope Protein gp120Reactive Oxygen Species

Identifiers

PMID20976166
PMCPMC2955538
OpenAlexW2007801675

What OpenQuestion holds

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LicenceCC BY
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.