Evidence map›Paper›PMID 26276683›Full record

ArticleGut2016

Host cell mTORC1 is required for HCV RNA replication.

Stefanie Stöhr, Rui Costa, Lisa Sandmann, Sandra Westhaus, Stephanie Pfaender, Anggakusuma, Eva Dazert, Philip Meuleman, Florian W R Vondran, Michael P Manns and 3 more

Open access · hybridAbstract read
In one paragraph

Article in Gut, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed, 1 pooled it
2.2field-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

33 citing papers in PubMed, 1 synthesis or guideline pooled it, 49 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Review
  5. Article
  6. Molecular pathways involved in COVID-19 and potential pathway-based therapeutic targets.Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2022
    Review
  7. Review
  8. Review
  9. Article
  10. Review
  11. Article
  12. Hedgehog Signaling: Implications in Cancers and Viral Infections.International journal of molecular sciences · 2021
    Review
  13. Article
  14. Review
  15. COVID-19 and diabetes mellitus: how one pandemic worsens the other.Reviews in endocrine & metabolic disorders · 2020
    Review
  16. Article
  17. Review
  18. Article
  19. Host-Directed Antiviral Therapy.Clinical microbiology reviews · 2020
    Review
  20. Drug repurposing against COVID-19: focus on anticancer agents.Journal of experimental & clinical cancer research : CR · 2020
    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

13 authors at 6 institutions in 3 countries.

Stefanie StöhrDepartment of Gastroenterology, Hepatology and Endocrinology, Medizinische Hochschule Hannover, Hannover, Germany.
Rui CostaDepartment of Gastroenterology, Hepatology and Endocrinology, Medizinische Hochschule Hannover, Hannover, Germany.
Lisa SandmannDepartment of Gastroenterology, Hepatology and Endocrinology, Medizinische Hochschule Hannover, Hannover, Germany.
Sandra WesthausDepartment of Gastroenterology, Hepatology and Endocrinology, Medizinische Hochschule Hannover, Hannover, Germany.
Stephanie PfaenderDivision of Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research; a joint venture between the Medical School Hannover (MHH) and the Helmholtz Centre for Infection Research (HZI), Hannover, Germany.
AnggakusumaDivision of Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research; a joint venture between the Medical School Hannover (MHH) and the Helmholtz Centre for Infection Research (HZI), Hannover, Germany.
Eva DazertCell Growth and Development Biozentrum, Universität Basel, Basel, Switzerland.
Philip MeulemanCenter for Vaccinology, Ghent University, Ghent University Hospital, Ghent, Belgium.
Florian W R VondranGerman Center for Infection Research (DZIF), Hannover, Germany.
Michael P MannsDepartment of Gastroenterology, Hepatology and Endocrinology, Medizinische Hochschule Hannover, Hannover, Germany.
Eike SteinmannDivision of Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research; a joint venture between the Medical School Hannover (MHH) and the Helmholtz Centre for Infection Research (HZI), Hannover, Germany.
Thomas von HahnDepartment of Gastroenterology, Hepatology and Endocrinology, Medizinische Hochschule Hannover, Hannover, Germany.
Sandra CiesekDepartment of Gastroenterology, Hepatology and Endocrinology, Medizinische Hochschule Hannover, Hannover, Germany.
German Center for Infection Research · DEMedizinische Hochschule Hannover · DEHelmholtz Centre for Infection Research · DECenter for Experimental and Clinical Infection Research · DEGhent University Hospital · BEUniversity of Basel · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveChronically HCV-infected orthotopic liver transplantation (OLT) recipients appear to have improved outcomes when their immunosuppressive regimen includes a mammalian target of rapamycin (mTOR) inhibitor. The mechanism underlying this observation is unknown.

designWe used virological assays to investigate mTOR signalling on the HCV replication cycle. Furthermore, we analysed HCV RNA levels of 42 HCV-positive transplanted patients treated with an mTOR inhibitor as part of their immunosuppressive regimen.

resultsThe mTOR inhibitor rapamycin was found to be a potent inhibitor for HCV RNA replication in Huh-7.5 cells as well as primary human hepatocytes. Half-maximal inhibition was observed at 0.01 µg/mL, a concentration that is in the range of serum levels seen in transplant recipients and does not affect cell proliferation. Early replication cycle steps such as cell entry and RNA translation were not affected. Knockdown of raptor, an essential component of mTORC1, but not rictor, an essential component of mTORC2, inhibited viral RNA replication. In addition, overexpression of raptor led to higher viral RNA replication, demonstrating that mTORC1, but not mTORC2, is required for HCV RNA replication. In 42 HCV-infected liver-transplanted or kidney-transplanted patients who were switched to an mTOR inhibitor, we could verify that mTOR inhibition decreased HCV RNA levels in vivo.

conclusionsOur data identify mTORC1 as a novel HCV replication factor. These findings suggest an underlying mechanism for the observed benefits of mTOR inhibition in HCV-positive OLT recipients and potentiate further investigation of mTOR-containing regimens in HCV-positive recipients of solid organ transplants.

Indexed as

Gene SilencingHepacivirusHepatitis C, ChronicHepatocytesHumansLiver TransplantationMechanistic Target of Rapamycin Complex 1Multiprotein ComplexesRNA, ViralTOR Serine-Threonine KinasesTreatment OutcomeVirus ReplicationMechanistic Target of Rapamycin Complex 1Multiprotein ComplexesRNA, ViralTOR Serine-Threonine KinasesHEPATITIS CLIVER TRANSPLANTATION

Identifiers

PMID26276683
PMCPMC5136730
OpenAlexW1962974538

What OpenQuestion holds

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LicenceCC BY-NC
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.