Evidence map›Paper›PMID 21873469›Full record

ArticleGut2012

Inhibition of histidine decarboxylase ablates the autocrine tumorigenic effects of histamine in human cholangiocarcinoma.

Heather Francis, Sharon DeMorrow, Julie Venter, Paolo Onori, Mellanie White, Eugenio Gaudio, Taylor Francis, John F Greene, Steve Tran, Cynthia J Meininger and 1 more

Open access · greenAbstract read
In one paragraph

Article in Gut, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed
3.2field-weighted citation impact, top 8% 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

55 citing papers in PubMed, 78 citations in OpenAlex.

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  18. Histamine receptors and cancer pharmacology: an update.British journal of pharmacology · 2020
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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

11 authors at 4 institutions in 2 countries.

Heather FrancisDivision of Research, Central Texas Veterans Health Care System, Scott & White and Texas A&M Health Science Center, College of Medicine, Temple, Texas 76504, USA.
Sharon DeMorrow
Julie Venter
Paolo Onori
Mellanie White
Eugenio Gaudio
Taylor Francis
John F Greene
Steve Tran
Cynthia J Meininger
Gianfranco Alpini
Texas A&M Health Science Center · USCentral Texas Veterans Health Care System · USSapienza University of Rome · ITUniversity of L'Aquila · IT

Funding

GROWTH REGULATION OF THE INTRAHEPATIC BILIARY TREER01DK054811 · NIDDK · TEXAS A&M UNIVERSITY HEALTH SCIENCE CTR · PI ALPINI, GIANFRANCO D, GLASER, SHANNON STROUD · 2000 to 2021
$3.8M
Role of Sensory Neuropeptides in the Regulation of Biliary FunctionR01DK076898 · NIDDK · TEXAS A&M UNIVERSITY HEALTH SCIENCE CTR · PI ALPINI, GIANFRANCO D, GLASER, SHANNON STROUD · 2008 to 2016
$1.8M
TOWARD THE OPTIMAL TIMING OF INITIATION OF DIALYSISR01DK058411 · NIDDK · UNIVERSITY OF CALIFORNIA SAN FRANCISCO · PI CHERTOW, GLENN MATTHEW · 2001 to 2003
$1.8M
Endocannabinoid Regulation of Cholangiocarcinoma Cell GrowthK01DK078532 · NIDDK · TEXAS A&M UNIVERSITY HEALTH SCIENCE CTR · PI DEMORROW, SHARON · 2007 to 2011
$697k
NIDDK NIH HHS DK58411NIDDK NIH HHS DK76898NIDDK NIH HHS K01 DK078532NIDDK NIH HHS R01 DK054811NIDDK NIH HHS R01 DK058411NIDDK NIH HHS R01 DK076898
6 · The paper itself

Abstract

backgroundIn several tumours the endogenous activity of histidine decarboxylase (HDC), the enzyme stimulating histamine synthesis, sustains the autocrine trophic effect of histamine on cancer progression. Cholangiocarcinoma is a biliary cancer with limited treatment options. Histamine interacts with four G-protein coupled receptors, H1-H4 histamine receptors (HRs).

objectiveTo determine the effects of histamine stimulation and inhibition of histamine synthesis (by modulation of HDC) on cholangiocarcinoma growth.

methodsIn vitro studies were performed using multiple human cholangiocarcinoma lines. The expression levels of the histamine synthetic machinery and HRs were evaluated along with the effects of histamine stimulation and inhibition on cholangiocarcinoma proliferation. A xenograft tumour model was used to measure tumour volume after treatment with histamine or inhibition of histamine synthesis by manipulation of HDC. Vascular endothelial growth factor (VEGF) expression was measured in cholangiocarcinoma cells concomitant with the evaluation of the expression of CD31 in endothelial cells in the tumour microenvironment.

resultsCholangiocarcinoma cells display (1) enhanced HDC and decreased monoamine oxidase B expression resulting in increased histamine secretion; and (2) increased expression of H1-H4 HRs. Inhibition of HDC and antagonising H1HR decreased histamine secretion in Mz-ChA-1 cells. Long-term treatment with histamine increased proliferation and VEGF expression in cholangiocarcinoma that was blocked by HDC inhibitor and the H1HR antagonist. In nude mice, histamine increased tumour growth (up to 25%) and VEGF expression whereas inhibition of histamine synthesis (by reduction of HDC) ablated the autocrine stimulation of histamine on tumour growth (~80%) and VEGF expression. No changes in angiogenesis (evaluated by changes in CD31 immunoreactivity) were detected in the in vivo treatment groups.

conclusionThe novel concept that an autocrine loop (consisting of enhanced histamine synthesis by HDC) sustains cholangiocarcinoma growth is proposed. Drug targeting of HDC may be important for treatment of patients with cholangiocarcinoma.

Indexed as

AnimalsBile Duct NeoplasmsBile Ducts, IntrahepaticBiomarkers, TumorCell Line, TumorCell Transformation, NeoplasticCholangiocarcinomaFluorescent Antibody TechniqueHistamineHistidine DecarboxylaseHumansImmunoblottingMaleMiceMice, Inbred BALB CMice, NudeBiomarkers, TumorHistamineHistidine DecarboxylasePlatelet Endothelial Cell Adhesion Molecule-1Receptors, HistamineVascular Endothelial Growth Factor A

Identifiers

PMID21873469
PMCPMC3244572
OpenAlexW2166731175

What OpenQuestion holds

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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.