Evidence map›Paper›PMID 19110304›Full record

ArticleGynecologic oncology2009

Vitamin A metabolism is impaired in human ovarian cancer.

Stephen J Williams, Dusica Cvetkovic, Thomas C Hamilton

Open access · bronzeAbstract read
In one paragraph

Article in Gynecologic oncology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
1.1field-weighted citation impact, top 24% 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

13 citing papers in PubMed, 36 citations in OpenAlex.

  1. The Influences of RARγ on the Behavior of Normal and Cancer Stem Cells.International journal of molecular sciences · 2026
    Review
  2. Review
  3. Deregulation of All-International journal of molecular sciences · 2023
    Review
  4. Targeting the Retinoic Acid Pathway to Eradicate Cancer Stem Cells.International journal of molecular sciences · 2023
    Review
  5. Article
  6. Review
  7. Article
  8. Downregulation of DHRS9 expression in colorectal cancer tissues and its prognostic significance.Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine · 2016
    Article
  9. Article
  10. Article
  11. Article
  12. 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

3 authors at 1 institution in 1 country.

Stephen J WilliamsOvarian Cancer Program, Department of Medical Oncology, Fox Chase Cancer Center, 333 Cottman Avenue W310, Philadelphia, PA 19111, USA. SJ_Williams@fccc.edu
Dusica Cvetkovic
Thomas C Hamilton
Fox Chase Cancer Center · US

Funding

Therapeutic Micro RNA Strategies for Ovarian CancerP50CA083638 · NCI · RESEARCH INST OF FOX CHASE CAN CTR · PI DALY, MARY BERYL, REBBECK, TIMOTHY R · 1999 to 2013
$33.6M
Loss of Vitamin A Metabolism in Ovarian OncogenesisR01CA107195 · NCI · FOX CHASE CANCER CENTER · PI HAMILTON, THOMAS C. · 2005 to 2009
$1.4M
NCI NIH HHS CA107195NCI NIH HHS CA 83638NCI NIH HHS P50 CA083638NCI NIH HHS R01 CA107195
6 · The paper itself

Abstract

objectivesWe have previously reported that loss in expression of a protein considered critical for vitamin A homeostasis, cellular retinol-binding protein 1 (CRBP1), is an early event in ovarian carcinogenesis. The aim of the present study was to determine if loss of vitamin A metabolism also occurs early in ovarian oncogenesis.

methodsWe assessed CRBP1 expression by immunohistochemistry in ovaries prophylactically removed from women with a genetic risk for ovarian cancer. Furthermore, we investigated the ability of normal, immortalized but nontumorigenic, and tumorigenic human ovarian epithelial cells to synthesize retinoic acid and retinaldehyde when challenged with a physiological dose of retinol, and determined expression levels of the retinoid-related genes, RARalpha, RXRalpha, CRABP1, CRABP2, RALDH1 and RALDH2 in these cells.

resultsImmunohistochemistry revealed loss of CRBP1 expression in potentially preneoplastic lesions in prophylactic oophorectomies. HPLC analysis of vitamin A metabolism showed production of retinoic acid in four independent, normal human ovarian surface epithelial (HOSE) cell cultures upon exposure to retinol. However, only one of two SV40-immortalized HOSE cell lines made RA, while none of the ovarian carcinoma cell lines produced detectable RA due to complete loss of RALDH2.

conclusionsThe impaired conversion of retinol to RA in ovarian cancer cells and decreased CRBP1 protein expression in prophylactic oophorectomies support our hypothesis that concomitant losses of vitamin A metabolism and CRBP1 expression contribute to ovarian oncogenesis.

Indexed as

FemaleGene Expression Regulation, NeoplasticHumansImmunohistochemistryOvarian NeoplasmsOxidation-ReductionRetinaldehydeRetinol-Binding Proteins, CellularTretinoinVitamin ARetinaldehydeRetinol-Binding Proteins, CellularTretinoinVitamin A

Identifiers

PMID19110304
PMCPMC2737361
OpenAlexW1991639363

What OpenQuestion holds

Textmetadata
LicenceTDM
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.