Evidence map›Paper›PMID 17016690›Full record

ArticleJournal of molecular medicine (Berlin, Germany)2006

Hypermethylation of Cyclin D2 is associated with loss of mRNA expression and tumor development in prostate cancer.

Rui Henrique, Vera Lúcia Costa, Nuno Cerveira, André Lopes Carvalho, Mohammad Obaidul Hoque, Franclim Ricardo Ribeiro, Jorge Oliveira, Manuel Rodrigues Teixeira, David Sidransky, Carmen Jerónimo

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In one paragraph

Article in Journal of molecular medicine (Berlin, Germany), 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed, 1 pooled it
0.7field-weighted citation impact, top 32% 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

37 citing papers in PubMed, 1 synthesis or guideline pooled it, 62 citations in OpenAlex.

  1. Pooled it
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  5. The role of lipids in genome integrity and pluripotency.Biochemical Society transactions · 2024
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors at 3 institutions in 2 countries.

Rui HenriqueDepartment of Pathology, Portuguese Oncology Institute, Porto, Rua Dr. Antonio Bernardino de Almeida, Porto, 4200-072, Portugal.
Vera Lúcia Costa
Nuno Cerveira
André Lopes Carvalho
Mohammad Obaidul Hoque
Franclim Ricardo Ribeiro
Jorge Oliveira
Manuel Rodrigues Teixeira
David Sidransky
Carmen Jerónimo
Instituto Português de Oncologia Francisco Gentil · PTJohns Hopkins University · USJohns Hopkins Medicine · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

D-type cyclins play a pivotal role in cell cycle regulation and their abnormal expression was associated with several human malignancies. To assess Cyclin D2 promoter methylation status and expression levels in prostate tissues, quantitative methylation-specific PCR and quantitative reverse transcription PCR assays were performed in a large series of prostate carcinomas, high-grade prostatic intraepithelial neoplasias (HGPIN), benign prostate hyperplasias (BPH), normal prostate tissue (NPT) samples, and prostate cancer (PCa) cell lines (before and after demethylating treatment). Methylation levels were correlated with mRNA expression levels and key clinicopathologic parameters. Cyclin D2 promoter methylation was found in 117/118 PCa, 38/38 HGPIN, 24/30 BPH, 11/11 NPT, and 4/4 cell lines. Methylation levels were significantly higher in PCa compared with HGPIN, NPT, and BPH (P<0.0001), correlating with tumor stage and Gleason score (r=0.29, P=0.0014; and r=0.32, P=0.0005, respectively). Conversely, Cyclin D2 mRNA levels were significantly lower in PCa (P<0.01) and a significant inverse correlation between Cyclin D2 methylation and expression levels was found in prostatic tissues (r=-0.61, P<0.000001). Demethylating treatment induced a substantial increase in Cyclin D2 mRNA in LNCaP cells whereas decreased levels were observed in DU-145 and PC-3 cells. We concluded that Cyclin D2 promoter methylation downregulates gene transcription and occurs with high frequency at low levels in normal, hyperplastic, and preneoplastic prostate tissues. Conversely, high Cyclin D2 methylation levels characterize invasive prostatic carcinoma, correlating with clinicopathologic features of tumor aggressiveness.

Indexed as

DNA MethylationGene Expression Regulation, NeoplasticAdenocarcinomaAdultAgedAzacitidineCell Line, TumorCell Transformation, NeoplasticCyclin D2CyclinsDecitabineDNA Modification MethylasesEnzyme InhibitorsHumansMaleMiddle AgedAzacitidineCCND2 protein, humanCyclin D2CyclinsDecitabineDNA Modification MethylasesEnzyme InhibitorsRNA, Messenger

Identifiers

PMID17016690
OpenAlexW2075174542

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.