Evidence map›Paper›PMID 18455515›Full record

ArticleGastroenterology2008

Dynamic programmed death 1 expression by virus-specific CD8 T cells correlates with the outcome of acute hepatitis B.

Zheng Zhang, Ji-Yuan Zhang, E John Wherry, Bo Jin, Bin Xu, Zheng-Sheng Zou, Shu-Ye Zhang, Bao-Sen Li, Hui-Feng Wang, Hao Wu and 3 more

Open access · bronzeAbstract read
PubMed Publisher
In one paragraph

Article in Gastroenterology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 91 papers.

0numbers the graph read from it
0cells of the map it votes in
91citing papers in PubMed
8.2field-weighted citation impact, top 2% 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

91 citing papers in PubMed, 169 citations in OpenAlex.

  1. Trial
  2. Trial
  3. Review
  4. Review
  5. Immune Modulatory Effects of PD-1/PD-L1 in Myasthenia Gravis: Insights From Peripheral Blood Mononuclear Cell Analysis.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2025
    Article
  6. The PD-1/PD-L1 pathway and Epstein-Barr virus.European journal of medical research · 2025
    Review
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  8. Effect of immune checkpoint inhibitors on patients with hepatitis B virus infection.Journal of the Chinese Medical Association : JCMA · 2025
    Review
  9. Article
  10. Review
  11. Article
  12. Article
  13. Intratumoral PD1Cells · 2023
    Article
  14. Article
  15. Article
  16. Review
  17. IL-10-Secreting CD8Pathogens (Basel, Switzerland) · 2022
    Article
  18. Article
  19. [PD-1 is associated with CD8(+)T lymphocyte dysfunction in patients with acute and chronic liver failure].Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology · 2021
    Article
  20. Article

31 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

13 authors at 6 institutions in 2 countries.

Zheng ZhangResearch Center for Biological Therapy, Beijing 302 Hospital, Beijing, China.
Ji-Yuan Zhang
E John Wherry
Bo Jin
Bin Xu
Zheng-Sheng Zou
Shu-Ye Zhang
Bao-Sen Li
Hui-Feng Wang
Hao Wu
George K K Lau
Yang-Xin Fu
Fu-Sheng Wang
302 Military Hospital of China · CNBeijing YouAn Hospital · CNCapital Medical University · CNInstitute of Biophysics · CNThe Wistar Institute · USUniversity of Chicago · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND &

aimsRecent studies have shown that programmed death 1 (PD-1) expression can impair virus-specific CD8 T-cell responses during chronic viral infection, including hepatitis B virus (HBV). This study aimed to characterize the PD-1 expression during acute hepatitis B (AHB) and further address whether and how the PD-1-mediated pathway balances antiviral immunity versus immunopathology, possibly contributing to disease progression.

methodsPeripheral and intrahepatic PD-1 expression was investigated longitudinally in 23 human HLA-A2-positive patients with acute hepatitis B. Four patients with HBV-related acute liver failure, 13 patients with chronic hepatitis B, and 9 healthy individuals were enrolled as controls. Flow cytometric, immunohistochemical, and immunofunctional assays were performed to analyze the impact of PD-1 expression.

resultsPD-1 expression was significantly up-regulated on HBV-specific CD8 T cells in the early phase of acute HBV infection, and successful viral clearance correlated with a subsequent decrease in PD-1 expression. Blocking the PD-1-mediated pathway in vitro enhanced HBV-specific CD8 T-cell proliferation and inflammatory cytokine production, while reducing interleukin-10 production and apoptosis, confirming the essential role of PD-1 in tempering the T-cell response during the acute phase of infection. In contrast, delayed PD-1 expression on HBV-specific CD8 T cells was associated with acute liver failure.

conclusionsPD-1 up-regulation may efficiently mitigate pathogenic CD8 T-cell responses and liver damage, correlating with disease progression of acute HBV infection. This study therefore shows how this negative signaling pathway functions in such early HBV infection, which will be important for better clinical management, prognosis, and new HBV treatments.

Indexed as

Acute DiseaseAdultAntigens, CDApoptosisApoptosis Regulatory ProteinsB7-H1 AntigenBiomarkersCase-Control StudiesCD8-Positive T-LymphocytesCell ProliferationCytokinesDisease ProgressionFemaleFlow CytometryHepatitis BHepatitis B, ChronicAntigens, CDApoptosis Regulatory ProteinsB7-H1 AntigenBiomarkersCD274 protein, humanCytokinesHLA-A2 AntigenPDCD1 protein, humanProgrammed Cell Death 1 Receptor

Identifiers

PMID18455515
OpenAlexW2050607746

What OpenQuestion holds

Textmetadata
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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.