Evidence map›Paper›PMID 21363920›Full record

ArticleCancer research2011

Ulcerative colitis-associated colorectal cancer arises in a field of short telomeres, senescence, and inflammation.

Rosa Ana Risques, Lisa A Lai, Cigdem Himmetoglu, Anoosheh Ebaee, Lin Li, Ziding Feng, Mary P Bronner, Bassel Al-Lahham, Kris V Kowdley, Keith D Lindor and 2 more

Registry-linked trialOpen access · bronzeAbstract read
In one paragraph

Article in Cancer research, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07341282 (Investigation of Vancomycin Efficacy in Patients With Ulcerative Colitis and Primary Sclerosing Cholangitis), which is not on this map. Cited by 88 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
88citing papers in PubMed, 1 pooled it
8.6field-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.

NCT07341282 phase2not yet recruitingnot on this mapstarted 2026, after this paper: background citation

Investigation of Vancomycin Efficacy in Patients With Ulcerative Colitis and Primary Sclerosing Cholangitis

TypeinterventionalSponsorMcMaster UniversityRan2026 to 2027Enrolled14ConditionsUlcerative Colitis (UC), Primary Sclerosing Cholangitis (PSC)ArmsPlacebo (blinded), Vancomycin (blinded), Vancomycin (open-label extension)
3 · Its place in the literature

Who cites it

88 citing papers in PubMed, 1 synthesis or guideline pooled it, 143 citations in OpenAlex.

  1. Pooled it
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  18. Cellular Senescence, Inflammation, and Cancer in the Gastrointestinal Tract.International journal of molecular sciences · 2023
    Review
  19. International journal of molecular sciences · 2023
    Review
  20. Article

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

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

12 authors at 7 institutions in 2 countries.

Rosa Ana RisquesDepartment of Pathology, University of Washington, Seattle, Washington 98195-7705, USA. rrisques@u.washington.edu
Lisa A Lai
Cigdem Himmetoglu
Anoosheh Ebaee
Lin Li
Ziding Feng
Mary P Bronner
Bassel Al-Lahham
Kris V Kowdley
Keith D Lindor
Peter S Rabinovitch
Teresa A Brentnall
Cancer Research Center · USCape Town HVTN Immunology Laboratory / Hutchinson Centre Research Institute of South Africa · ZACleveland Clinic · USFred Hutch Cancer Center · USUniversity of Washington · USMayo Clinic · USVirginia Mason Medical Center · US

Funding

SPECIFICITY OF OXYGEN DNA DAMAGE AND MUTAGENESISP01AG001751 · NIA · UNIVERSITY OF WASHINGTON · PI RABINOVITCH, PETER S · 1985 to 2021
$29.6M
University of Washington Nathan Shock Center of Excellence in the Basic Biology of AgingP30AG013280 · NIA · UNIVERSITY OF WASHINGTON · PI David J. Marcinek, Jessica E Young · 1995 to 2026
$27.1M
Multicentered Randomized Trial of High-dose Urso in PSCR01DK056924 · NIDDK · MAYO CLINIC ROCHESTER · PI TALWALKAR, JAYANT A · 2001 to 2011
$6.5M
HISTOLOGIC AND MOLECULAR CHANGES IN UC TUMORIGENESISR01CA068124 · NCI · UNIVERSITY OF WASHINGTON · PI BRENTNALL, TERESA A · 1995 to 2010
$3.5M
Seattle Cancer and Aging ProgramP20CA103728 · NCI · FRED HUTCHINSON CANCER RESEARCH CENTER · PI RABINOVITCH, PETER S · 2003 to 2007
$3.4M
Senescence biomarkers for cancer prevention in ulcerative colitisK07CA137136 · NCI · UNIVERSITY OF WASHINGTON · PI RISQUES, ROSA ANA · 2009 to 2013
$664k
NCI NIH HHS K07 CA137136NCI NIH HHS P20 CA103728NCI NIH HHS R01 CA068124NIA NIH HHS P01 AG001751NIA NIH HHS P30 AG013280NIA NIH HHS P30 AG13280NIDDK NIH HHS DK56924NIDDK NIH HHS R01 DK056924
6 · The paper itself

Abstract

Inflammation plays a role in the progression to cancer and it is linked to the presence of senescent cells. Ulcerative colitis (UC) is a chronic inflammatory disease that predisposes to colorectal cancer. Tumorigenesis in this setting is associated with telomere shortening that can be observed in the nondysplastic epithelium of UC patients with high-grade dysplasia (HGD) or cancer (UC progressors). We hypothesized that a preneoplastic field of inflammation, telomere shortening, and senescence underlies tumor progression in UC progressors. Multiple biopsies of varying histologic grade were collected along the colon of nine UC progressors and analyzed for telomere length, DNA damage, senescence, p53, p16, and chronic and acute inflammation. Twenty biopsies from four UC nonprogressors and twenty-one biopsies from control individuals without UC were also analyzed. Short telomeres and increased DNA damage, senescence, and infiltrating leukocytes were observed in biopsies located less than 10 cm from HGD or cancer. Low-grade dysplasia (LGD) had the shortest telomeres along with the highest levels of senescence and infiltrating leukocytes, whereas HGD biopsies showed the opposite pattern. The expression of p16 and p53 was low in nondysplastic biopsies but progressively increased in LGD and HGD. In addition, high levels of infiltrating leukocytes were associated with telomere shortening, senescence, and reduced p53 expression. These results suggest that dysplasia arises in a preneoplastic field of chronic inflammation, which leads to telomere shortening, DNA damage, and senescence. Our findings argue that senescence acts as a tumor suppressor mechanism that is abrogated during the transition from LGD to HGD in UC.

Indexed as

AdultCell Transformation, NeoplasticCellular SenescenceColitis, UlcerativeColorectal NeoplasmsCyclin-Dependent Kinase Inhibitor p16Disease ProgressionHumansImmunohistochemistryInflammationMiddle AgedNeoplasm ProteinsPolymerase Chain ReactionPrecancerous ConditionsTelomereTumor Suppressor Protein p53CDKN2A protein, humanCyclin-Dependent Kinase Inhibitor p16Neoplasm ProteinsTumor Suppressor Protein p53

Identifiers

PMID21363920
PMCPMC3077943
OpenAlexW1981538589

What OpenQuestion holds

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Read underepoch 390

Registered trials

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.