Evidence map›Paper›PMID 23806407›Full record

ArticleUrology2013

Alterations in deoxyribonucleic acid (DNA) methylation patterns of Calca, Timp3, Mmp2, and Igf2r are associated with chronic cystitis in a cyclophosphamide-induced mouse model.

In-Seon Choi, Kevin Yu, Jayoung Kim, Erika De Guzman, Daniel J Weisenberger, Shirley Oghamian, Hee Ju Kim, Kyung Hwa Lee, Cindy Carroll, Binh N Trinh and 7 more

Open access · greenAbstract read
In one paragraph

Article in Urology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
0.3field-weighted citation impact, top 37% 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

4 citing papers in PubMed, 7 citations in OpenAlex.

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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

17 authors at 3 institutions in 1 country.

In-Seon ChoiDivision of Pediatric Urology, Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, CA, USA.
Kevin Yu
Jayoung Kim
Erika De Guzman
Daniel J Weisenberger
Shirley Oghamian
Hee Ju Kim
Kyung Hwa Lee
Cindy Carroll
Binh N Trinh
Myungjin Kim
Sahar Houshdaran
Peter W Laird
Peter A Jones
David Warburton
Gangning Liang
Chester J Koh
University of Southern California · USChildren's Hospital of Los Angeles · USCedars-Sinai Medical Center · US

Funding

Bladder Organogenesis and Tissue Regeneration Derived From Stem CellsK08DK078589 · NIDDK · CHILDREN'S HOSPITAL OF LOS ANGELES · PI KOH, CHESTER · 2008 to 2012
$809k
NIDDK NIH HHS 5K08DK078589NIDDK NIH HHS K08 DK078589
6 · The paper itself

Abstract

objectiveTo determine whether epigenetic changes occur during cyclophosphamide-induced chronic bladder inflammation in mice. MATERIALS AND

methodsEpigenetic changes play a role in the regulation of inflammatory genes in noncancer diseases such as asthma and chronic obstructive pulmonary disease. However, epigenetic (deoxyribonucleic acid [DNA] methylation) changes during chronic bladder inflammation have not been previously described. Chronic cystitis was induced in 3 groups of adult CD-1 male mice using multiple weight-based intraperitoneal cyclophosphamide injections during a 3-month period. Histopathologic and MethyLight assays were performed on specimens with chronic bladder inflammation at multiple points to monitor cystitis progression and DNA methylation changes compared with the control specimens.

resultsHistopathologic analysis showed the most extensive edema and urothelial sloughing at the 1-month point. MethyLight analyses revealed statistically significant changes in DNA methylation associated with the Calca, Timp3, Mmp2, and Igf2r genes in the chronic bladder injury model. The changes in DNA methylation associated with chronic cystitis were DNA hypomethylation of the Calca gene in the control tissue and DNA hypermethylation for the Calca, Timp3, Mmp2, and Igf2r genes compared with that in the control tissue.

conclusionDNA methylation changes were noted in the Calca, Timp3, Mmp2, and Igf2r genes during chronic cystitis in a murine model. Epigenetic changes appear to play a role in the regulation of inflammatory bladder genes during chronic cystitis; however, additional studies are needed to elucidate the pathways associated with these genes.

Indexed as

DNA MethylationAnimalsCalcitoninCalcitonin Gene-Related PeptideChronic DiseaseCpG IslandsCyclophosphamideCystitisEpigenesis, GeneticMaleMatrix Metalloproteinase 2MiceProtein PrecursorsReceptor, IGF Type 2Tissue Inhibitor of Metalloproteinase-3Calca protein, mouseCalcitoninCalcitonin Gene-Related PeptideCyclophosphamideMatrix Metalloproteinase 2Mmp2 protein, mouseProtein PrecursorsReceptor, IGF Type 2Tissue Inhibitor of Metalloproteinase-3

Identifiers

PMID23806407
PMCPMC3697025
OpenAlexW2161627563

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Registered trials

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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.