Evidence map›Paper›PMID 16945398›Full record

ArticleVirology

Cervical keratinocytes containing stably replicating extrachromosomal HPV-16 are refractory to transformation by oncogenic H-Ras.

Kristi L Berger, Felicia Barriga, Michael J Lace, Lubomir P Turek, Gideon J Zamba, Frederick E Domann, John H Lee, Aloysius J Klingelhutz

Open access · greenAbstract read
In one paragraph

Article in Virology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.2field-weighted citation impact, top 20% 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

9 citing papers in PubMed, 15 citations in OpenAlex.

  1. Article
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  3. TheProceedings of the National Academy of Sciences of the United States of America · 2023
    Article
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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

8 authors at 2 institutions in 1 country.

Kristi L BergerDepartment of Microbiology, Holden Comprehensive Cancer Research Center, University of Iowa, 375 Newton Road, 2202 MERF, Iowa City, IA 52242, USA.
Felicia Barriga
Michael J Lace
Lubomir P Turek
Gideon J Zamba
Frederick E Domann
John H Lee
Aloysius J Klingelhutz
University of Iowa · USVeterans Health Administration · US

Funding

THERAPIES BASED ON ANTIOXIDANT ENZYME MODULATIONP01CA066081 · NCI · UNIVERSITY OF IOWA · PI OBERLEY, LARRY · 1996 to 2005
$7.7M
OVERCOMING CELLULAR SENESCENCE IN HUMAN EPITHELIAL CELLSR01AG018265 · NIA · UNIVERSITY OF IOWA · PI KLINGELHUTZ, ALOYSIUS JOHN · 2000 to 2004
$1.2M
NCI NIH HHS CA66081NCI NIH HHS P01 CA066081NIA NIH HHS AG18265NIA NIH HHS R01 AG018265
6 · The paper itself

Abstract

Ras expression in human epithelial cells with integrated HPV genomes has been shown to cause tumorigenic transformation. The effects of Ras in cells representing early stage HPV-associated disease (i.e., when HPV is extrachromosomal and the oncogenes are under control of native promoters) have not been examined. Here, we used human cervical keratinocyte cell lines containing stably replicating extrachromosomal HPV-16 and present the novel finding that these cells resist transformation by oncogenic H-Ras. Ras expression consistently diminished anchorage-independent growth (AI), reduced E6 and E7 expression, and caused p53 induction in these cells. Conversely, AI was enhanced or maintained in Ras-transduced cervical cells that were immortalized with a 16E6/E7 retrovirus, and minimal effects on E6 and E7 expression were observed. Ras expression with either episomal HPV-16 or LXSN-E6/E7 was insufficient for tumorigenic growth suggesting that other events are needed for tumorigenic transformation. In conclusion, our results indicate that Ras-mediated transformation depends on the context of HPV oncogene expression and that this is an important point to address when developing HPV tumor models.

Indexed as

Cell Transformation, ViralAnimalsCell LineCervix UteriFemaleHuman papillomavirus 16HumansKeratinocytesMiceOncogene Proteins, ViralPapillomavirus E7 ProteinsPapillomavirus InfectionsPlasmidsras ProteinsRepressor ProteinsTumor Suppressor Protein p53E6 protein, Human papillomavirus type 16oncogene protein E7, Human papillomavirus type 16Oncogene Proteins, ViralPapillomavirus E7 Proteinsras ProteinsRepressor ProteinsTumor Suppressor Protein p53

Identifiers

PMID16945398
PMCPMC1993897
OpenAlexW2018625607

What OpenQuestion holds

Textmetadata
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.