Evidence map›Paper›PMID 24842313›Full record

ArticlePloS one2014

Tobacco smoking increases immune activation and impairs T-cell function in HIV infected patients on antiretrovirals: a cross-sectional pilot study.

Ranjini Valiathan, Maria J Miguez, Bijal Patel, Kristopher L Arheart, Deshratn Asthana

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
54citing papers in PubMed, 1 pooled it
4.4field-weighted citation impact, top 5% 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

54 citing papers in PubMed, 1 synthesis or guideline pooled it, 108 citations in OpenAlex.

  1. Interventions for tobacco use cessation in people living with HIV and AIDS.The Cochrane database of systematic reviews · 2016
    Pooled it
  2. Trial
  3. Trial
  4. Trial
  5. Article
  6. HIV-HPV interactions via extracellular vesicles among tobacco smokers and nonsmokers.Experimental biology and medicine (Maywood, N.J.) · 2025
    Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Observational
  12. Article
  13. Review
  14. Article
  15. Cigarette Smoke Modulates Inflammation and ImmunityAntioxidants & redox signaling · 2023
    Review
  16. Article
  17. Article
  18. Frontiers in cellular and infection microbiology · 2023
    Article
  19. No smoke without fire: the impact of cigarette smoking on the immune control of tuberculosis.European respiratory review : an official journal of the European Respiratory Society · 2022
    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.

Ranjini ValiathanDepartment of Pathology, University of Miami-Miller School of Medicine, Miami, Florida, United States of America; Laboratory for Clinical and Biological Studies, University of Miami-Miller School of Medicine, Miami, Florida, United States of America.
Maria J MiguezSchool of Integrated Science and Humanities, Florida International University, Miami, Florida, United States of America.
Bijal PatelLaboratory for Clinical and Biological Studies, University of Miami-Miller School of Medicine, Miami, Florida, United States of America.
Kristopher L ArheartDepartment of Public Health Sciences, Division of Biostatistics, University of Miami-Miller School of Medicine, Miami, Florida, United States of America.
Deshratn AsthanaDepartment of Pathology, University of Miami-Miller School of Medicine, Miami, Florida, United States of America; Department of Psychiatry and Behavioral Science, University of Miami-Miller School of Medicine, Miami, Florida, United States of America; Laboratory for Clinical and Biological Studies, University of Miami-Miller School of Medicine, Miami, Florida, United States of America.
University of Miami · USFlorida International University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe influence of tobacco smoking on the immune system of HIV infected individuals is largely unknown. We investigated the impact of tobacco smoking on immune activation, microbial translocation, immune exhaustion and T-cell function in HIV infected individuals.

methodHIV infected smokers and non-smokers (n = 25 each) with documented viral suppression on combination antiretroviral therapy and HIV uninfected smokers and non-smokers (n = 15 each) were enrolled. Markers of immune activation (CD38 and HLA-DR) and immune exhaustion (PD1, Tim3 and CTLA4) were analyzed in peripheral blood mononuclear cells (PBMCs) by flow cytometry. Plasma markers of microbial translocation (soluble-CD14 - sCD14 and lipopolysaccharide - LPS) were measured. Antigen specific functions of CD4+ and CD8+ T-cells were measured, by flow cytometry, in PBMCs after 6 hours stimulation with Cytomegalovirus, Epstein-Barr virus and Influenza Virus (CEF) peptide pool.

resultsCompared to non-smokers, smokers of HIV infected and uninfected groups showed significantly higher CD4+ and CD8+ T-cell activation with increased frequencies of CD38+HLA-DR+ cells with a higher magnitude in HIV infected smokers. Expressions of immune exhaustion markers (PD1, Tim3 and CTLA4) either alone or in combinations were significantly higher in smokers, especially on CD4+ T-cells. Compared to HIV uninfected non-smokers, microbial translocation (sCD14 and LPS) was higher in smokers of both groups and directly correlated with CD4+ and CD8+ T-cell activation. Antigen specific T-cell function showed significantly lower cytokine response of CD4+ and CD8+ T-cells to CEF peptide-pool stimulation in smokers of both HIV infected and uninfected groups.

conclusionsOur results suggest that smoking and HIV infection independently influence T-cell immune activation and function and together they present the worst immune profile. Since smoking is widespread among HIV infected individuals, studies are warranted to further evaluate the cumulative effect of smoking on impairment of the immune system and accelerated disease progression.

Indexed as

ADP-ribosyl Cyclase 1Cross-Sectional StudiesCTLA-4 AntigenFlow CytometryHepatitis A Virus Cellular Receptor 2HIV InfectionsHLA-DR AntigensHumansLymphocyte ActivationMembrane GlycoproteinsMembrane ProteinsPilot ProjectsProgrammed Cell Death 1 ReceptorSmokingT-LymphocytesADP-ribosyl Cyclase 1CD38 protein, humanCTLA-4 AntigenCTLA4 protein, humanHAVCR2 protein, humanHepatitis A Virus Cellular Receptor 2HLA-DR AntigensMembrane GlycoproteinsMembrane ProteinsPDCD1 protein, humanProgrammed Cell Death 1 Receptor

Identifiers

PMID24842313
PMCPMC4026405
OpenAlexW2028630572

What OpenQuestion holds

Textmetadata
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.