Evidence map›Paper›PMID 19795457›Full record

ArticleInternational journal of cancer2010

Increased local dopamine secretion has growth-promoting effects in cholangiocarcinoma.

Monique Coufal, Pietro Invernizzi, Eugenio Gaudio, Francesca Bernuzzi, Gabriel A Frampton, Paolo Onori, Antonio Franchitto, Guido Carpino, Jonathan C Ramirez, Domenico Alvaro and 4 more

Open access · greenAbstract read
In one paragraph

Article in International journal of cancer, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed
2.4field-weighted citation impact, top 11% 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

35 citing papers in PubMed, 57 citations in OpenAlex.

  1. Phase II Study of ONC201 in Neuroendocrine Tumors including Pheochromocytoma-Paraganglioma and Desmoplastic Small Round Cell Tumor.Clinical cancer research : an official journal of the American Association for Cancer Research · 2022
    Trial
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  3. Review
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  6. ONC201 (Dordaviprone) in Recurrent H3 K27M-Mutant Diffuse Midline Glioma.Journal of clinical oncology : official journal of the American Society of Clinical Oncology · 2024
    Article
  7. Review
  8. Review
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  10. Article
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  12. Article
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  14. Article
  15. Article
  16. Article
  17. Cholangiocarcinoma: novel therapeutic targets.Expert opinion on therapeutic targets · 2020
    Review
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  20. Article
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

14 authors at 8 institutions in 2 countries.

Monique CoufalDepartment of Medicine, Scott & White Hospital, Texas A&M Health Science Center College of Medicine, Temple, TX 76504, USA.
Pietro Invernizzi
Eugenio Gaudio
Francesca Bernuzzi
Gabriel A Frampton
Paolo Onori
Antonio Franchitto
Guido Carpino
Jonathan C Ramirez
Domenico Alvaro
Marco Marzioni
Guido Battisti
Antonio Benedetti
Sharon DeMorrow
Sapienza University of Rome · ITScott & White Memorial Hospital · USMarche Polytechnic University · ITForo Italico University of Rome · ITIstituti di Ricovero e Cura a Carattere Scientifico · ITTexas A&M Health Science Center · USUniversity of L'Aquila · ITUniversity of Milan · IT

Funding

Endocannabinoid Regulation of Cholangiocarcinoma Cell GrowthK01DK078532 · NIDDK · TEXAS A&M UNIVERSITY HEALTH SCIENCE CTR · PI DEMORROW, SHARON · 2007 to 2011
$697k
NIDDK NIH HHS K01 DK078532
6 · The paper itself

Abstract

Cholangiocarcinoma is a devastating cancer of biliary origin with limited treatment options. Symptoms are usually evident after blockage of the bile duct by the tumor, and at this late stage, they are relatively resistant to chemotherapy and radiation therapy. Therefore, it is imperative that alternative treatment options are explored. We have previously shown that serotonin metabolism is dysregulated in cholangiocarcinoma leading to an increased secretion of serotonin, which has growth-promoting effects. Because serotonin and dopamine share the degradation machinery, we evaluated the secretion of dopamine from cholangiocarcinoma and its effects on cell proliferation. Using 4 cholangiocarcinoma cell lines and human biopsy samples, we demonstrated that there was an increase in mRNA and protein expression of the dopamine synthesis enzymes tyrosine hydroxylase and dopa decarboxylase in cholangiocarcinoma. There was increased dopamine secretion from cholangiocarcinoma cell lines compared to H69 and HIBEC cholangiocytes and increased dopamine immunoreactivity in human biopsy samples. Furthermore, administration of dopamine to all cholangiocarcinoma cell lines studied increased proliferation by up to 30%, which could be blocked by the pretreatment of the D2 and D4 dopamine receptor antagonists, whereas blocking dopamine production by alpha-methyldopa administration suppressed growth by up to 25%. Administration of alpha-methyldopa to nude mice also suppressed cholangiocarcinoma tumor growth. The data presented here represent the first evidence that dopamine metabolism is dysregulated in cholangiocarcinoma and that modulation of dopamine synthesis may represent an alternative target for the development of therapeutic strategies.

Indexed as

Bile Ducts, IntrahepaticAnimalsBile Duct NeoplasmsCell Line, TumorCell ProliferationCholangiocarcinomaDopamineHumansMaleMethyldopaMiceMice, Inbred BALB CXenograft Model Antitumor AssaysDopamineMethyldopa

Identifiers

PMID19795457
PMCPMC2830344
OpenAlexW2024195343

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.