Evidence map›Paper›PMID 21903763›Full record

ArticleAmerican journal of physiology. Gastrointestinal and liver physiology2011

Castration inhibits biliary proliferation induced by bile duct obstruction: novel role for the autocrine trophic effect of testosterone.

Fuquan Yang, Sally Priester, Paolo Onori, Julie Venter, Anastasia Renzi, Antonio Franchitto, Md Kamruzzaman Munshi, Candace Wise, David E Dostal, Marco Marzioni and 4 more

Open access · hybridAbstract read
In one paragraph

Article in American journal of physiology. Gastrointestinal and liver physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.3field-weighted citation impact, top 19% 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

12 citing papers in PubMed, 22 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Article
  6. Sex Hormone-Dependent Physiology and Diseases of Liver.International journal of environmental research and public health · 2020
    Review
  7. Cholangiocyte pathobiology.Nature reviews. Gastroenterology & hepatology · 2019
    Review
  8. Sex-related factors in autoimmune liver diseases.Seminars in immunopathology · 2019
    Review
  9. The physiological roles of secretin and its receptor.Annals of translational medicine · 2013
    Review
  10. Review
  11. Review
  12. Autocrine regulation of biliary pathology by activated cholangiocytes.American journal of physiology. Gastrointestinal and liver physiology · 2012
    Review
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 7 institutions in 4 countries.

Fuquan YangDepartment of Medicine, Division of Gastroenterology, Scott & White and Texas A&M Health Science Center, College of Medicine, Temple, TX 76504, USA.
Sally Priester
Paolo Onori
Julie Venter
Anastasia Renzi
Antonio Franchitto
Md Kamruzzaman Munshi
Candace Wise
David E Dostal
Marco Marzioni
Stefania Saccomanno
Yoshiyuki Ueno
Eugenio Gaudio
Shannon Glaser
Spencer Foundation · USMarche Polytechnic University · ITCentral Texas Veterans Health Care System · USChina Medical University · CNIowa Digestive Disease Center · USTohoku University · JPUniversity of L'Aquila · IT

Funding

Coordinating and Bioinformatics Unit for the MMPC/DiaCompU24DK076169 · NIDDK · AUGUSTA UNIVERSITY · PI MCINDOE, RICHARD A. · 2006 to 2018
$42.4M
Role of the Renin-Angiotensin System in the Regulation of Biliary ProliferationR01DK081442 · NIDDK · TEXAS A&M UNIVERSITY HEALTH SCIENCE CTR · PI GLASER, SHANNON STROUD · 2009 to 2010
$628k
NIDDK NIH HHS R01 DK-081442NIDDK NIH HHS U24 DK-76169
6 · The paper itself

Abstract

Increased cholangiocyte growth is critical for the maintenance of biliary mass during liver injury by bile duct ligation (BDL). Circulating levels of testosterone decline following castration and during cholestasis. Cholangiocytes secrete sex hormones sustaining cholangiocyte growth by autocrine mechanisms. We tested the hypothesis that testosterone is an autocrine trophic factor stimulating biliary growth. The expression of androgen receptor (AR) was determined in liver sections, male cholangiocytes, and cholangiocyte cultures [normal rat intrahepatic cholangiocyte cultures (NRICC)]. Normal or BDL (immediately after surgery) rats were treated with testosterone or antitestosterone antibody or underwent surgical castration (followed by administration of testosterone) for 1 wk. We evaluated testosterone serum levels; intrahepatic bile duct mass (IBDM) in liver sections of female and male rats following the administration of testosterone; and secretin-stimulated cAMP levels and bile secretion. We evaluated the expression of 17β-hydroxysteroid dehydrogenase 3 (17β-HSD3, the enzyme regulating testosterone synthesis) in cholangiocytes. We evaluated the effect of testosterone on the proliferation of NRICC in the absence/presence of flutamide (AR antagonist) and antitestosterone antibody and the expression of 17β-HSD3. Proliferation of NRICC was evaluated following stable knock down of 17β-HSD3. We found that cholangiocytes and NRICC expressed AR. Testosterone serum levels decreased in castrated rats (prevented by the administration of testosterone) and rats receiving antitestosterone antibody. Castration decreased IBDM and secretin-stimulated cAMP levels and ductal secretion of BDL rats. Testosterone increased 17β-HSD3 expression and proliferation in NRICC that was blocked by flutamide and antitestosterone antibody. Knock down of 17β-HSD3 blocks the proliferation of NRICC. Drug targeting of 17β-HSD3 may be important for managing cholangiopathies.

Indexed as

Orchiectomy17-Hydroxysteroid DehydrogenasesAndrogensAnimalsApoptosomesAutocrine CommunicationBileBile Ducts, IntrahepaticCell DivisionCholestasis, IntrahepaticCyclic AMPFemaleMaleRatsRats, Inbred F344Receptors, Androgen17beta-hydroxysteroid dehydrogenase type 317-Hydroxysteroid DehydrogenasesAndrogensApoptosomesCyclic AMPReceptors, AndrogenSecretinTestosterone

Identifiers

PMID21903763
PMCPMC3233786
OpenAlexW2083691106

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.